Merge branch 'release/v8.15'

VERSION

@@ -1 +1 @@
-8.14
+8.15

src/App.axaml

@@ -19,6 +19,7 @@
   <Application.Styles>
     <FluentTheme />
     <StyleInclude Source="avares://Avalonia.Controls.DataGrid/Themes/Fluent.xaml"/>
+    <StyleInclude Source="avares://Avalonia.Controls.TreeDataGrid/Themes/Fluent.axaml"/>
     <StyleInclude Source="avares://AvaloniaEdit/Themes/Fluent/AvaloniaEdit.xaml" />
     <StyleInclude Source="/Resources/Styles.axaml"/>
   </Application.Styles>

src/App.axaml.cs

@@ -62,9 +62,7 @@ namespace SourceGit
                 builder.Append(ex.StackTrace);
 
                 var time = DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss");
-                var file = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-                    "SourceGit",
-                    $"crash_{time}.log");
+                var file = Path.Combine(Native.OS.DataDir, $"crash_{time}.log");
                 File.WriteAllText(file, builder.ToString());
             }
         }

src/Commands/QueryCommits.cs

@@ -5,8 +5,8 @@ namespace SourceGit.Commands
 {
     public class QueryCommits : Command
     {
-        private const string GPGSIG_START = "gpgsig -----BEGIN PGP SIGNATURE-----";
-        private const string GPGSIG_END = " -----END PGP SIGNATURE-----";
+        private const string GPGSIG_START = "gpgsig -----BEGIN ";
+        private const string GPGSIG_END = " -----END ";
 
         private readonly List<Models.Commit> commits = new List<Models.Commit>();
         private Models.Commit current = null;
@@ -17,6 +17,7 @@ namespace SourceGit.Commands
         public QueryCommits(string repo, string limits, bool needFindHead = true)
         {
             WorkingDirectory = repo;
+            Context = repo;
             Args = "log --date-order --decorate=full --pretty=raw " + limits;
             findFirstMerged = needFindHead;
         }

src/Commands/QuerySingleCommit.cs

@@ -0,0 +1,167 @@
+using System;
+using System.Collections.Generic;
+
+namespace SourceGit.Commands
+{
+    public class QuerySingleCommit : Command
+    {
+        private const string GPGSIG_START = "gpgsig -----BEGIN PGP SIGNATURE-----";
+        private const string GPGSIG_END = " -----END PGP SIGNATURE-----";
+
+        public QuerySingleCommit(string repo, string sha) {
+            WorkingDirectory = repo;
+            Context = repo;
+            Args = $"show --pretty=raw --decorate=full -s {sha}";
+        }
+
+        public Models.Commit Result()
+        {
+            var succ = Exec();
+            if (!succ)
+                return null;
+
+            _commit.Message.Trim();
+            return _commit;
+        }
+
+        protected override void OnReadline(string line)
+        {
+            if (isSkipingGpgsig)
+            {
+                if (line.StartsWith(GPGSIG_END, StringComparison.Ordinal))
+                    isSkipingGpgsig = false;
+                return;
+            }
+            else if (line.StartsWith(GPGSIG_START, StringComparison.Ordinal))
+            {
+                isSkipingGpgsig = true;
+                return;
+            }
+
+            if (line.StartsWith("commit ", StringComparison.Ordinal))
+            {
+                line = line.Substring(7);
+
+                var decoratorStart = line.IndexOf('(', StringComparison.Ordinal);
+                if (decoratorStart < 0)
+                {
+                    _commit.SHA = line.Trim();
+                }
+                else
+                {
+                    _commit.SHA = line.Substring(0, decoratorStart).Trim();
+                    ParseDecorators(_commit.Decorators, line.Substring(decoratorStart + 1));
+                }
+
+                return;
+            }
+
+            if (line.StartsWith("tree ", StringComparison.Ordinal))
+            {
+                return;
+            }
+            else if (line.StartsWith("parent ", StringComparison.Ordinal))
+            {
+                _commit.Parents.Add(line.Substring("parent ".Length));
+            }
+            else if (line.StartsWith("author ", StringComparison.Ordinal))
+            {
+                Models.User user = Models.User.Invalid;
+                ulong time = 0;
+                Models.Commit.ParseUserAndTime(line.Substring(7), ref user, ref time);
+                _commit.Author = user;
+                _commit.AuthorTime = time;
+            }
+            else if (line.StartsWith("committer ", StringComparison.Ordinal))
+            {
+                Models.User user = Models.User.Invalid;
+                ulong time = 0;
+                Models.Commit.ParseUserAndTime(line.Substring(10), ref user, ref time);
+                _commit.Committer = user;
+                _commit.CommitterTime = time;
+            }
+            else if (string.IsNullOrEmpty(_commit.Subject))
+            {
+                _commit.Subject = line.Trim();
+            }
+            else
+            {
+                _commit.Message += (line.Trim() + "\n");
+            }
+        }
+
+        private bool ParseDecorators(List<Models.Decorator> decorators, string data)
+        {
+            bool isHeadOfCurrent = false;
+
+            var subs = data.Split(new char[] { ',', ')', '(' }, StringSplitOptions.RemoveEmptyEntries);
+            foreach (var sub in subs)
+            {
+                var d = sub.Trim();
+                if (d.StartsWith("tag: refs/tags/", StringComparison.Ordinal))
+                {
+                    decorators.Add(new Models.Decorator()
+                    {
+                        Type = Models.DecoratorType.Tag,
+                        Name = d.Substring(15).Trim(),
+                    });
+                }
+                else if (d.EndsWith("/HEAD", StringComparison.Ordinal))
+                {
+                    continue;
+                }
+                else if (d.StartsWith("HEAD -> refs/heads/", StringComparison.Ordinal))
+                {
+                    isHeadOfCurrent = true;
+                    decorators.Add(new Models.Decorator()
+                    {
+                        Type = Models.DecoratorType.CurrentBranchHead,
+                        Name = d.Substring(19).Trim(),
+                    });
+                }
+                else if (d.Equals("HEAD"))
+                {
+                    isHeadOfCurrent = true;
+                    decorators.Add(new Models.Decorator()
+                    {
+                        Type = Models.DecoratorType.CurrentCommitHead,
+                        Name = d.Trim(),
+                    });
+                }
+                else if (d.StartsWith("refs/heads/", StringComparison.Ordinal))
+                {
+                    decorators.Add(new Models.Decorator()
+                    {
+                        Type = Models.DecoratorType.LocalBranchHead,
+                        Name = d.Substring(11).Trim(),
+                    });
+                }
+                else if (d.StartsWith("refs/remotes/", StringComparison.Ordinal))
+                {
+                    decorators.Add(new Models.Decorator()
+                    {
+                        Type = Models.DecoratorType.RemoteBranchHead,
+                        Name = d.Substring(13).Trim(),
+                    });
+                }
+            }
+
+            decorators.Sort((l, r) =>
+            {
+                if (l.Type != r.Type)
+                {
+                    return (int)l.Type - (int)r.Type;
+                }
+                else
+                {
+                    return l.Name.CompareTo(r.Name);
+                }
+            });
+
+            return isHeadOfCurrent;
+        }
+
+        private Models.Commit _commit = new Models.Commit();
+        private bool isSkipingGpgsig = false;
+    }
+}

src/Converters/BoolConverters.cs

@@ -1,18 +1,17 @@
-using Avalonia.Controls;
-using Avalonia.Data.Converters;
+using Avalonia.Data.Converters;
 using Avalonia.Media;
 
 namespace SourceGit.Converters
 {
     public static class BoolConverters
     {
+        public static readonly FuncValueConverter<bool, double> ToPageTabWidth =
+            new FuncValueConverter<bool, double>(x => x ? 200 : double.NaN);
+
         public static readonly FuncValueConverter<bool, double> HalfIfFalse =
             new FuncValueConverter<bool, double>(x => x ? 1 : 0.5);
 
         public static readonly FuncValueConverter<bool, FontWeight> BoldIfTrue =
             new FuncValueConverter<bool, FontWeight>(x => x ? FontWeight.Bold : FontWeight.Regular);
-
-        public static readonly FuncValueConverter<bool, GridLength> ToStarOrAutoGridLength =
-            new(value => value ? new GridLength(1, GridUnitType.Star) : new GridLength(1, GridUnitType.Auto));
     }
 }

src/Converters/StringConverters.cs

@@ -1,12 +1,13 @@
 using System;
 using System.Globalization;
+using System.Text.RegularExpressions;
 
 using Avalonia.Data.Converters;
 using Avalonia.Styling;
 
 namespace SourceGit.Converters
 {
-    public static class StringConverters
+    public static partial class StringConverters
     {
         public class ToLocaleConverter : IValueConverter
         {
@@ -68,6 +69,27 @@ namespace SourceGit.Converters
         public static readonly FormatByResourceKeyConverter FormatByResourceKey = new FormatByResourceKeyConverter();
 
         public static readonly FuncValueConverter<string, string> ToShortSHA =
-            new FuncValueConverter<string, string>(v => v.Length > 10 ? v.Substring(0, 10) : v);
+            new FuncValueConverter<string, string>(v => v == null ? string.Empty : (v.Length > 10 ? v.Substring(0, 10) : v));
+        
+        public static readonly FuncValueConverter<string, bool> UnderRecommendGitVersion =
+            new(v =>
+            {
+                var match = REG_GIT_VERSION().Match(v ?? "");
+                if (match.Success)
+                {
+                    var major = int.Parse(match.Groups[1].Value);
+                    var minor = int.Parse(match.Groups[2].Value);
+                    var build = int.Parse(match.Groups[3].Value);
+
+                    return new Version(major, minor, build) < MINIMAL_GIT_VERSION;
+                }
+
+                return true;
+            });
+
+        [GeneratedRegex(@"^[\s\w]*(\d+)\.(\d+)[\.\-](\d+).*$")]
+        private static partial Regex REG_GIT_VERSION();
+
+        private static readonly Version MINIMAL_GIT_VERSION = new Version(2, 23, 0);
     }
 }

src/Converters/WindowStateConverters.cs

@@ -3,7 +3,6 @@
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Data.Converters;
-using Avalonia.Media;
 
 namespace SourceGit.Converters
 {
@@ -39,19 +38,6 @@ namespace SourceGit.Converters
                 }
             });
 
-        public static readonly FuncValueConverter<WindowState, StreamGeometry> ToMaxOrRestoreIcon =
-            new FuncValueConverter<WindowState, StreamGeometry>(state =>
-            {
-                if (state == WindowState.Maximized)
-                {
-                    return Application.Current?.FindResource("Icons.Window.Restore") as StreamGeometry;
-                }
-                else
-                {
-                    return Application.Current?.FindResource("Icons.Window.Maximize") as StreamGeometry;
-                }
-            });
-
         public static readonly FuncValueConverter<WindowState, bool> IsNormal =
             new FuncValueConverter<WindowState, bool>(state => state == WindowState.Normal);
     }

src/Models/AvatarManager.cs

@@ -25,7 +25,7 @@ namespace SourceGit.Models
 
         static AvatarManager()
         {
-            _storePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "SourceGit", "avatars");
+            _storePath = Path.Combine(Native.OS.DataDir, "avatars");
             if (!Directory.Exists(_storePath))
                 Directory.CreateDirectory(_storePath);
 

src/Models/DealWithLocalChanges.cs

@@ -0,0 +1,9 @@
+namespace SourceGit.Models
+{
+    public enum DealWithLocalChanges
+    {
+        StashAndReaply,
+        Discard,
+        DoNothing,
+    }
+}

src/Models/DiffResult.cs

@@ -582,6 +582,12 @@ namespace SourceGit.Models
         public string New { get; set; } = string.Empty;
     }
 
+    public class SubmoduleDiff
+    {
+        public Commit Old { get; set; } = null;
+        public Commit New { get; set; } = null;
+    }
+
     public class DiffResult
     {
         public bool IsBinary { get; set; } = false;

src/Models/FileTreeNode.cs

@@ -1,28 +1,20 @@
 using System;
 using System.Collections.Generic;
 
-using CommunityToolkit.Mvvm.ComponentModel;
-
-namespace SourceGit.ViewModels
+namespace SourceGit.Models
 {
-    public class FileTreeNode : ObservableObject
+    public class FileTreeNode
     {
         public string FullPath { get; set; } = string.Empty;
         public bool IsFolder { get; set; } = false;
+        public bool IsExpanded { get; set; } = false;
         public object Backend { get; set; } = null;
         public List<FileTreeNode> Children { get; set; } = new List<FileTreeNode>();
 
-        public bool IsExpanded
-        {
-            get => _isExpanded;
-            set => SetProperty(ref _isExpanded, value);
-        }
-
-        public static List<FileTreeNode> Build(List<Models.Change> changes)
+        public static List<FileTreeNode> Build(List<Change> changes, bool expanded)
         {
             var nodes = new List<FileTreeNode>();
             var folders = new Dictionary<string, FileTreeNode>();
-            var expanded = changes.Count <= 50;
 
             foreach (var c in changes)
             {
@@ -94,11 +86,10 @@ namespace SourceGit.ViewModels
             return nodes;
         }
 
-        public static List<FileTreeNode> Build(List<Models.Object> files)
+        public static List<FileTreeNode> Build(List<Object> files, bool expanded)
         {
             var nodes = new List<FileTreeNode>();
             var folders = new Dictionary<string, FileTreeNode>();
-            var expanded = files.Count <= 50;
 
             foreach (var f in files)
             {
@@ -170,27 +161,6 @@ namespace SourceGit.ViewModels
             return nodes;
         }
 
-        public static FileTreeNode SelectByPath(List<FileTreeNode> nodes, string path)
-        {
-            foreach (var node in nodes)
-            {
-                if (node.FullPath == path)
-                    return node;
-
-                if (node.IsFolder && path.StartsWith(node.FullPath + "/", StringComparison.Ordinal))
-                {
-                    var foundInChildren = SelectByPath(node.Children, path);
-                    if (foundInChildren != null)
-                    {
-                        node.IsExpanded = true;
-                    }
-                    return foundInChildren;
-                }
-            }
-
-            return null;
-        }
-
         private static void Sort(List<FileTreeNode> nodes)
         {
             nodes.Sort((l, r) =>
@@ -211,7 +181,5 @@ namespace SourceGit.ViewModels
                     Sort(node.Children);
             }
         }
-
-        private bool _isExpanded = true;
     }
 }

src/Models/GPGFormat.cs

@@ -0,0 +1,25 @@
+using System.Collections.Generic;
+
+namespace SourceGit.Models
+{
+    public class GPGFormat(string name, string value, string desc)
+    {
+        public string Name { get; set; } = name;
+        public string Value { get; set; } = value;
+        public string Desc { get; set; } = desc;
+
+        public static readonly GPGFormat OPENPGP = new GPGFormat("OPENPGP", "openpgp", "DEFAULT");
+
+        public static readonly GPGFormat SSH = new GPGFormat("SSH", "ssh", "Git >= 2.34.0");
+
+        public static readonly List<GPGFormat> Supported = new List<GPGFormat>() {
+            OPENPGP,
+            SSH,
+        };
+
+        public bool Equals(GPGFormat other)
+        {
+            return Value == other.Value;
+        }
+    }
+}

src/Models/Remote.cs

@@ -4,11 +4,11 @@ namespace SourceGit.Models
 {
     public partial class Remote
     {
-        [GeneratedRegex(@"^http[s]?://([\w\-]+@)?[\w\.\-]+(\:[0-9]+)?/[\w\-/]+/[\w\-\.]+\.git$")]
+        [GeneratedRegex(@"^http[s]?://([\w\-]+@)?[\w\.\-]+(\:[0-9]+)?/[\w\-/]+/[\w\-\.]+(\.git)?$")]
         private static partial Regex REG_HTTPS();
-        [GeneratedRegex(@"^[\w\-]+@[\w\.\-]+(\:[0-9]+)?:[\w\-/]+/[\w\-\.]+\.git$")]
+        [GeneratedRegex(@"^[\w\-]+@[\w\.\-]+(\:[0-9]+)?:[\w\-/]+/[\w\-\.]+(\.git)?$")]
         private static partial Regex REG_SSH1();
-        [GeneratedRegex(@"^ssh://([\w\-]+@)?[\w\.\-]+(\:[0-9]+)?/[\w\-/]+/[\w\-\.]+\.git$")]
+        [GeneratedRegex(@"^ssh://([\w\-]+@)?[\w\.\-]+(\:[0-9]+)?/[\w\-/]+/[\w\-\.]+(\.git)?$")]
         private static partial Regex REG_SSH2();
 
         private static readonly Regex[] URL_FORMATS = [

src/Models/TreeDataGridSelectionModel.cs

@@ -0,0 +1,446 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.Models.TreeDataGrid;
+using Avalonia.Controls.Primitives;
+using Avalonia.Controls.Selection;
+using Avalonia.Input;
+
+namespace SourceGit.Models
+{
+    public class TreeDataGridSelectionModel<TModel> : TreeSelectionModelBase<TModel>,
+        ITreeDataGridRowSelectionModel<TModel>,
+        ITreeDataGridSelectionInteraction
+        where TModel : class
+    {
+        private static readonly Point s_InvalidPoint = new(double.NegativeInfinity, double.NegativeInfinity);
+
+        private readonly ITreeDataGridSource<TModel> _source;
+        private EventHandler _viewSelectionChanged;
+        private EventHandler _rowDoubleTapped;
+        private Point _pressedPoint = s_InvalidPoint;
+        private bool _raiseViewSelectionChanged;
+        private Func<TModel, IEnumerable<TModel>> _childrenGetter;
+
+        public TreeDataGridSelectionModel(ITreeDataGridSource<TModel> source, Func<TModel, IEnumerable<TModel>> childrenGetter)
+            : base(source.Items)
+        {
+            _source = source;
+            _childrenGetter = childrenGetter;
+
+            SelectionChanged += (s, e) =>
+            {
+                if (!IsSourceCollectionChanging)
+                    _viewSelectionChanged?.Invoke(this, e);
+                else
+                    _raiseViewSelectionChanged = true;
+            };
+        }
+
+        public void Select(IEnumerable<TModel> items)
+        {
+            var sets = new HashSet<TModel>();
+            foreach (var item in items)
+                sets.Add(item);
+
+            using (BatchUpdate())
+            {
+                Clear();
+
+                int num = _source.Rows.Count;
+                for (int i = 0; i < num; ++i)
+                {
+                    var m = _source.Rows[i].Model as TModel;
+                    if (m != null && sets.Contains(m))
+                    {
+                        var idx = _source.Rows.RowIndexToModelIndex(i);
+                        Select(idx);
+                    }
+                }
+            }
+        }
+
+        event EventHandler ITreeDataGridSelectionInteraction.SelectionChanged
+        {
+            add => _viewSelectionChanged += value;
+            remove => _viewSelectionChanged -= value;
+        }
+
+        public event EventHandler RowDoubleTapped
+        {
+            add => _rowDoubleTapped += value;
+            remove => _rowDoubleTapped -= value;
+        }
+
+        IEnumerable ITreeDataGridSelection.Source
+        {
+            get => Source;
+            set => Source = value;
+        }
+
+        bool ITreeDataGridSelectionInteraction.IsRowSelected(IRow rowModel)
+        {
+            if (rowModel is IModelIndexableRow indexable)
+                return IsSelected(indexable.ModelIndexPath);
+            return false;
+        }
+
+        bool ITreeDataGridSelectionInteraction.IsRowSelected(int rowIndex)
+        {
+            if (rowIndex >= 0 && rowIndex < _source.Rows.Count)
+            {
+                if (_source.Rows[rowIndex] is IModelIndexableRow indexable)
+                    return IsSelected(indexable.ModelIndexPath);
+            }
+
+            return false;
+        }
+
+        void ITreeDataGridSelectionInteraction.OnKeyDown(TreeDataGrid sender, KeyEventArgs e)
+        {
+            if (sender.RowsPresenter is null)
+                return;
+
+            if (!e.Handled)
+            {
+                var ctrl = e.KeyModifiers.HasFlag(KeyModifiers.Control);
+                if (e.Key == Key.A && ctrl && !SingleSelect)
+                {
+                    using (BatchUpdate())
+                    {
+                        Clear();
+
+                        int num = _source.Rows.Count;
+                        for (int i = 0; i < num; ++i)
+                        {
+                            var m = _source.Rows.RowIndexToModelIndex(i);
+                            Select(m);
+                        }
+                    }
+                    e.Handled = true;
+                }
+
+                var direction = e.Key.ToNavigationDirection();
+                var shift = e.KeyModifiers.HasFlag(KeyModifiers.Shift);
+                if (direction.HasValue)
+                {
+                    var anchorRowIndex = _source.Rows.ModelIndexToRowIndex(AnchorIndex);
+                    sender.RowsPresenter.BringIntoView(anchorRowIndex);
+
+                    var anchor = sender.TryGetRow(anchorRowIndex);
+                    if (anchor is not null && !ctrl)
+                    {
+                        e.Handled = TryKeyExpandCollapse(sender, direction.Value, anchor);
+                    }
+
+                    if (!e.Handled && (!ctrl || shift))
+                    {
+                        e.Handled = MoveSelection(sender, direction.Value, shift, anchor);
+                    }
+
+                    if (!e.Handled && direction == NavigationDirection.Left
+                        && anchor?.Rows is HierarchicalRows<TModel> hierarchicalRows && anchorRowIndex > 0)
+                    {
+                        var newIndex = hierarchicalRows.GetParentRowIndex(AnchorIndex);
+                        UpdateSelection(sender, newIndex, true);
+                        FocusRow(sender, sender.RowsPresenter.BringIntoView(newIndex));
+                    }
+
+                    if (!e.Handled && direction == NavigationDirection.Right
+                       && anchor?.Rows is HierarchicalRows<TModel> hierarchicalRows2 && hierarchicalRows2[anchorRowIndex].IsExpanded)
+                    {
+                        var newIndex = anchorRowIndex + 1;
+                        UpdateSelection(sender, newIndex, true);
+                        sender.RowsPresenter.BringIntoView(newIndex);
+                    }
+                }
+            }
+        }
+
+        void ITreeDataGridSelectionInteraction.OnPointerPressed(TreeDataGrid sender, PointerPressedEventArgs e)
+        {
+            if (!e.Handled &&
+                e.Pointer.Type == PointerType.Mouse &&
+                e.Source is Control source &&
+                sender.TryGetRow(source, out var row) &&
+                _source.Rows.RowIndexToModelIndex(row.RowIndex) is { } modelIndex)
+            {
+                if (!IsSelected(modelIndex))
+                {
+                    PointerSelect(sender, row, e);
+                    _pressedPoint = s_InvalidPoint;
+                }
+                else
+                {
+                    var point = e.GetCurrentPoint(sender);
+                    if (point.Properties.IsRightButtonPressed)
+                    {
+                        _pressedPoint = s_InvalidPoint;
+                        return;
+                    }
+
+                    if (e.KeyModifiers == KeyModifiers.Control)
+                    {
+                        Deselect(modelIndex);
+                    }
+                    else if (e.ClickCount % 2 == 0)
+                    {
+                        var focus = _source.Rows[row.RowIndex];
+                        if (focus is IExpander expander && HasChildren(focus))
+                            expander.IsExpanded = !expander.IsExpanded;                            
+                        else
+                            _rowDoubleTapped?.Invoke(this, e);
+
+                        e.Handled = true;
+                    }
+                    else if (sender.RowSelection.Count > 1)
+                    {
+                        using (BatchUpdate())
+                        {
+                            Clear();
+                            Select(modelIndex);
+                        }
+                    }
+
+                    _pressedPoint = s_InvalidPoint;
+                }
+            }
+            else
+            {
+                if (!sender.TryGetRow(e.Source as Control, out var test))
+                    Clear();
+
+                _pressedPoint = e.GetPosition(sender);
+            }
+        }
+
+        void ITreeDataGridSelectionInteraction.OnPointerReleased(TreeDataGrid sender, PointerReleasedEventArgs e)
+        {
+            if (!e.Handled &&
+                _pressedPoint != s_InvalidPoint &&
+                e.Source is Control source &&
+                sender.TryGetRow(source, out var row) &&
+                _source.Rows.RowIndexToModelIndex(row.RowIndex) is { } modelIndex)
+            {
+                if (!IsSelected(modelIndex))
+                {
+                    var p = e.GetPosition(sender);
+                    if (Math.Abs(p.X - _pressedPoint.X) <= 3 || Math.Abs(p.Y - _pressedPoint.Y) <= 3)
+                        PointerSelect(sender, row, e);
+                }
+            }
+        }
+
+        protected override void OnSourceCollectionChangeFinished()
+        {
+            if (_raiseViewSelectionChanged)
+            {
+                _viewSelectionChanged?.Invoke(this, EventArgs.Empty);
+                _raiseViewSelectionChanged = false;
+            }
+        }
+
+        private void PointerSelect(TreeDataGrid sender, TreeDataGridRow row, PointerEventArgs e)
+        {
+            var point = e.GetCurrentPoint(sender);
+
+            var commandModifiers = TopLevel.GetTopLevel(sender)?.PlatformSettings?.HotkeyConfiguration.CommandModifiers;
+            var toggleModifier = commandModifiers is not null && e.KeyModifiers.HasFlag(commandModifiers);
+            var isRightButton = point.Properties.PointerUpdateKind is PointerUpdateKind.RightButtonPressed or
+                PointerUpdateKind.RightButtonReleased;
+
+            UpdateSelection(
+                sender,
+                row.RowIndex,
+                select: true,
+                rangeModifier: e.KeyModifiers.HasFlag(KeyModifiers.Shift),
+                toggleModifier: toggleModifier,
+                rightButton: isRightButton);
+            e.Handled = true;
+        }
+
+        private void UpdateSelection(TreeDataGrid treeDataGrid, int rowIndex, bool select = true, bool rangeModifier = false, bool toggleModifier = false, bool rightButton = false)
+        {
+            var modelIndex = _source.Rows.RowIndexToModelIndex(rowIndex);
+            if (modelIndex == default)
+                return;
+
+            var mode = SingleSelect ? SelectionMode.Single : SelectionMode.Multiple;
+            var multi = (mode & SelectionMode.Multiple) != 0;
+            var toggle = (toggleModifier || (mode & SelectionMode.Toggle) != 0);
+            var range = multi && rangeModifier;
+
+            if (!select)
+            {
+                if (IsSelected(modelIndex) && !treeDataGrid.QueryCancelSelection())
+                    Deselect(modelIndex);
+            }
+            else if (rightButton)
+            {
+                if (IsSelected(modelIndex) == false && !treeDataGrid.QueryCancelSelection())
+                    SelectedIndex = modelIndex;
+            }
+            else if (range)
+            {
+                if (!treeDataGrid.QueryCancelSelection())
+                {
+                    var anchor = RangeAnchorIndex;
+                    var i = Math.Max(_source.Rows.ModelIndexToRowIndex(anchor), 0);
+                    var step = i < rowIndex ? 1 : -1;
+
+                    using (BatchUpdate())
+                    {
+                        Clear();
+
+                        while (true)
+                        {
+                            var m = _source.Rows.RowIndexToModelIndex(i);
+                            Select(m);
+                            anchor = m;
+                            if (i == rowIndex)
+                                break;
+                            i += step;
+                        }
+                    }
+                }
+            }
+            else if (multi && toggle)
+            {
+                if (!treeDataGrid.QueryCancelSelection())
+                {
+                    if (IsSelected(modelIndex) == true)
+                        Deselect(modelIndex);
+                    else
+                        Select(modelIndex);
+                }
+            }
+            else if (toggle)
+            {
+                if (!treeDataGrid.QueryCancelSelection())
+                    SelectedIndex = (SelectedIndex == modelIndex) ? -1 : modelIndex;
+            }
+            else if (SelectedIndex != modelIndex || Count > 1)
+            {
+                if (!treeDataGrid.QueryCancelSelection())
+                    SelectedIndex = modelIndex;
+            }
+        }
+
+        private bool TryKeyExpandCollapse(TreeDataGrid treeDataGrid, NavigationDirection direction, TreeDataGridRow focused)
+        {
+            if (treeDataGrid.RowsPresenter is null || focused.RowIndex < 0)
+                return false;
+
+            var row = _source.Rows[focused.RowIndex];
+
+            if (row is IExpander expander)
+            {
+                if (direction == NavigationDirection.Right && !expander.IsExpanded)
+                {
+                    expander.IsExpanded = true;
+                    return true;
+                }
+                else if (direction == NavigationDirection.Left && expander.IsExpanded)
+                {
+                    expander.IsExpanded = false;
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        private bool MoveSelection(TreeDataGrid treeDataGrid, NavigationDirection direction, bool rangeModifier, TreeDataGridRow focused)
+        {
+            if (treeDataGrid.RowsPresenter is null || _source.Columns.Count == 0 || _source.Rows.Count == 0)
+                return false;
+
+            var currentRowIndex = focused?.RowIndex ?? _source.Rows.ModelIndexToRowIndex(SelectedIndex);
+            int newRowIndex;
+
+            if (direction == NavigationDirection.First || direction == NavigationDirection.Last)
+            {
+                newRowIndex = direction == NavigationDirection.First ? 0 : _source.Rows.Count - 1;
+            }
+            else
+            {
+                (var x, var y) = direction switch
+                {
+                    NavigationDirection.Up => (0, -1),
+                    NavigationDirection.Down => (0, 1),
+                    NavigationDirection.Left => (-1, 0),
+                    NavigationDirection.Right => (1, 0),
+                    _ => (0, 0)
+                };
+
+                newRowIndex = Math.Max(0, Math.Min(currentRowIndex + y, _source.Rows.Count - 1));
+            }
+
+            if (newRowIndex != currentRowIndex)
+                UpdateSelection(treeDataGrid, newRowIndex, true, rangeModifier);
+
+            if (newRowIndex != currentRowIndex)
+            {
+                treeDataGrid.RowsPresenter?.BringIntoView(newRowIndex);
+                FocusRow(treeDataGrid, treeDataGrid.TryGetRow(newRowIndex));
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+
+        private static void FocusRow(TreeDataGrid owner, Control control)
+        {
+            if (!owner.TryGetRow(control, out var row) || row.CellsPresenter is null)
+                return;
+
+            // Get the column index of the currently focused cell if possible: we'll try to focus the
+            // same column in the new row.
+            if (TopLevel.GetTopLevel(owner)?.FocusManager is { } focusManager &&
+                focusManager.GetFocusedElement() is Control currentFocus &&
+                owner.TryGetCell(currentFocus, out var currentCell) &&
+                row.TryGetCell(currentCell.ColumnIndex) is { } newCell &&
+                newCell.Focusable)
+            {
+                newCell.Focus();
+            }
+            else
+            {
+                // Otherwise, just focus the first focusable cell in the row.
+                foreach (var cell in row.CellsPresenter.GetRealizedElements())
+                {
+                    if (cell.Focusable)
+                    {
+                        cell.Focus();
+                        break;
+                    }
+                }
+            }
+        }
+
+        protected override IEnumerable<TModel> GetChildren(TModel node)
+        {
+            if (node == null)
+                return null;
+
+            return _childrenGetter?.Invoke(node);
+        }
+
+        private bool HasChildren(IRow row)
+        {
+            var children = GetChildren(row.Model as TModel);
+            if (children != null)
+            {
+                foreach (var c in children)
+                    return true;
+            }
+            
+            return false;
+        }
+    }
+}

src/Native/OS.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 
 using Avalonia;
 
@@ -20,6 +21,7 @@ namespace SourceGit.Native
             void OpenWithDefaultEditor(string file);
         }
 
+        public static readonly string DataDir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "SourceGit");
         public static string GitExecutable { get; set; } = string.Empty;
         public static List<Models.ExternalTool> ExternalTools { get; set; } = new List<Models.ExternalTool>();
 
@@ -72,6 +74,9 @@ namespace SourceGit.Native
 
         public static void SetupApp(AppBuilder builder)
         {
+            if (!Directory.Exists(DataDir))
+                Directory.CreateDirectory(DataDir);
+
             _backend.SetupApp(builder);
         }
 

src/Resources/Icons.axaml

@@ -97,4 +97,5 @@
   <StreamGeometry x:Key="Icons.GitFlow.Release">M884 159l-18-18a43 43 0 00-38-12l-235 43a166 166 0 00-101 60L400 349a128 128 0 00-148 47l-120 171a21 21 0 005 29l17 12a128 128 0 00178-32l27-38 124 124-38 27a128 128 0 00-32 178l12 17a21 21 0 0029 5l171-120a128 128 0 0047-148l117-92A166 166 0 00853 431l43-235a43 43 0 00-12-38zm-177 249a64 64 0 110-90 64 64 0 010 90zm-373 312a21 21 0 010 30l-139 139a21 21 0 01-30 0l-30-30a21 21 0 010-30l139-139a21 21 0 0130 0z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Lines.Incr">M408 232C408 210 426 192 448 192h416a40 40 0 110 80H448a40 40 0 01-40-40zM408 512c0-22 18-40 40-40h416a40 40 0 110 80H448A40 40 0 01408 512zM448 752A40 40 0 00448 832h416a40 40 0 100-80H448zM32 480l132 0 0-128 64 0 0 128 132 0 0 64-132 0 0 128-64 0 0-128-132 0Z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Lines.Decr">M408 232C408 210 426 192 448 192h416a40 40 0 110 80H448a40 40 0 01-40-40zM408 512c0-22 18-40 40-40h416a40 40 0 110 80H448A40 40 0 01408 512zM448 752A40 40 0 00448 832h416a40 40 0 100-80H448zM32 480l328 0 0 64-328 0Z</StreamGeometry>
+  <StreamGeometry x:Key="Icons.Compare">M645 448l64 64 220-221L704 64l-64 64 115 115H128v90h628zM375 576l-64-64-220 224L314 960l64-64-116-115H896v-90H262z</StreamGeometry>
 </ResourceDictionary>

src/Resources/Locales/en_US.axaml

@@ -33,6 +33,8 @@
   <x:String x:Key="Text.Blame" xml:space="preserve">Blame</x:String>
   <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">BLAME ON THIS FILE IS NOT SUPPORTED!!!</x:String>
   <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Checkout${0}$</x:String>
+  <x:String x:Key="Text.BranchCM.CompareWithHead" xml:space="preserve">Compare with HEAD</x:String>
+  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">Compare with Worktree</x:String>
   <x:String x:Key="Text.BranchCM.CopyName" xml:space="preserve">Copy Branch Name</x:String>
   <x:String x:Key="Text.BranchCM.Delete" xml:space="preserve">Delete${0}$</x:String>
   <x:String x:Key="Text.BranchCM.DeleteMultiBranches" xml:space="preserve">Delete selected {0} branches</x:String>
@@ -50,17 +52,18 @@
   <x:String x:Key="Text.Bytes" xml:space="preserve">Bytes</x:String>
   <x:String x:Key="Text.Cancel" xml:space="preserve">CANCEL</x:String>
   <x:String x:Key="Text.ChangeDisplayMode" xml:space="preserve">CHANGE DISPLAY MODE</x:String>
-  <x:String x:Key="Text.ChangeDisplayMode.Grid" xml:space="preserve">Show as Grid</x:String>
-  <x:String x:Key="Text.ChangeDisplayMode.List" xml:space="preserve">Show as List</x:String>
-  <x:String x:Key="Text.ChangeDisplayMode.Tree" xml:space="preserve">Show as Tree</x:String>
+  <x:String x:Key="Text.ChangeDisplayMode.Grid" xml:space="preserve">Show as File and Dir List</x:String>
+  <x:String x:Key="Text.ChangeDisplayMode.List" xml:space="preserve">Show as Path List</x:String>
+  <x:String x:Key="Text.ChangeDisplayMode.Tree" xml:space="preserve">Show as Filesystem Tree</x:String>
   <x:String x:Key="Text.Checkout" xml:space="preserve">Checkout Branch</x:String>
   <x:String x:Key="Text.Checkout.Commit" xml:space="preserve">Checkout Commit</x:String>
   <x:String x:Key="Text.Checkout.Commit.Warning" xml:space="preserve">Warning: By doing a commit checkout, your Head will be detached</x:String>
   <x:String x:Key="Text.Checkout.Commit.Target" xml:space="preserve">Commit :</x:String>
   <x:String x:Key="Text.Checkout.Target" xml:space="preserve">Branch :</x:String>
   <x:String x:Key="Text.Checkout.LocalChanges" xml:space="preserve">Local Changes :</x:String>
-  <x:String x:Key="Text.Checkout.LocalChanges.StashAndReply" xml:space="preserve">Stash &amp; Reapply</x:String>
   <x:String x:Key="Text.Checkout.LocalChanges.Discard" xml:space="preserve">Discard</x:String>
+  <x:String x:Key="Text.Checkout.LocalChanges.DoNothing" xml:space="preserve">Do Nothing</x:String>
+  <x:String x:Key="Text.Checkout.LocalChanges.StashAndReply" xml:space="preserve">Stash &amp; Reapply</x:String>
   <x:String x:Key="Text.CherryPick" xml:space="preserve">Cherry-Pick This Commit</x:String>
   <x:String x:Key="Text.CherryPick.Commit" xml:space="preserve">Commit :</x:String>
   <x:String x:Key="Text.CherryPick.CommitChanges" xml:space="preserve">Commit all changes</x:String>
@@ -76,8 +79,10 @@
   <x:String x:Key="Text.Clone.RemoteURL" xml:space="preserve">Repository URL :</x:String>
   <x:String x:Key="Text.Close" xml:space="preserve">CLOSE</x:String>
   <x:String x:Key="Text.CommitCM.CherryPick" xml:space="preserve">Cherry-Pick This Commit</x:String>
-  <x:String x:Key="Text.CommitCM.CopySHA" xml:space="preserve">Copy SHA</x:String>
   <x:String x:Key="Text.CommitCM.Checkout" xml:space="preserve">Checkout Commit</x:String>
+  <x:String x:Key="Text.CommitCM.CompareWithHead" xml:space="preserve">Compare with HEAD</x:String>
+  <x:String x:Key="Text.CommitCM.CompareWithWorktree" xml:space="preserve">Compare with Worktree</x:String>
+  <x:String x:Key="Text.CommitCM.CopySHA" xml:space="preserve">Copy SHA</x:String>
   <x:String x:Key="Text.CommitCM.Rebase" xml:space="preserve">Rebase${0}$to Here</x:String>
   <x:String x:Key="Text.CommitCM.Reset" xml:space="preserve">Reset${0}$to Here</x:String>
   <x:String x:Key="Text.CommitCM.Revert" xml:space="preserve">Revert Commit</x:String>
@@ -109,13 +114,14 @@
   <x:String x:Key="Text.Configure.User.Placeholder" xml:space="preserve">User name for this repository</x:String>
   <x:String x:Key="Text.Copy" xml:space="preserve">Copy</x:String>
   <x:String x:Key="Text.CopyPath" xml:space="preserve">Copy Path</x:String>
+  <x:String x:Key="Text.CopyFileName" xml:space="preserve">Copy File Name</x:String>
   <x:String x:Key="Text.CreateBranch" xml:space="preserve">Create Branch</x:String>
   <x:String x:Key="Text.CreateBranch.BasedOn" xml:space="preserve">Based On :</x:String>
   <x:String x:Key="Text.CreateBranch.Checkout" xml:space="preserve">Check out after created</x:String>
   <x:String x:Key="Text.CreateBranch.LocalChanges" xml:space="preserve">Local Changes :</x:String>
   <x:String x:Key="Text.CreateBranch.LocalChanges.Discard" xml:space="preserve">Discard</x:String>
-  <x:String x:Key="Text.CreateBranch.LocalChanges.StashAndReply" xml:space="preserve">Stash &amp; Reapply</x:String>
   <x:String x:Key="Text.CreateBranch.LocalChanges.DoNothing" xml:space="preserve">Do Nothing</x:String>
+  <x:String x:Key="Text.CreateBranch.LocalChanges.StashAndReply" xml:space="preserve">Stash &amp; Reapply</x:String>
   <x:String x:Key="Text.CreateBranch.Name" xml:space="preserve">New Branch Name :</x:String>
   <x:String x:Key="Text.CreateBranch.Name.Placeholder" xml:space="preserve">Enter branch name.</x:String>
   <x:String x:Key="Text.CreateBranch.Title" xml:space="preserve">Create Local Branch</x:String>
@@ -157,6 +163,8 @@
   <x:String x:Key="Text.Diff.NoChange" xml:space="preserve">NO CHANGES OR ONLY EOL CHANGES</x:String>
   <x:String x:Key="Text.Diff.Prev" xml:space="preserve">Previous Difference</x:String>
   <x:String x:Key="Text.Diff.SideBySide" xml:space="preserve">Side-By-Side Diff</x:String>
+  <x:String x:Key="Text.Diff.Submodule" xml:space="preserve">SUBMODULE</x:String>
+  <x:String x:Key="Text.Diff.Submodule.New" xml:space="preserve">NEW</x:String>
   <x:String x:Key="Text.Diff.SyntaxHighlight" xml:space="preserve">Syntax Highlighting</x:String>
   <x:String x:Key="Text.Diff.UseMerger" xml:space="preserve">Open In Merge Tool</x:String>
   <x:String x:Key="Text.Diff.VisualLines.Decr" xml:space="preserve">Decrease Number of Visible Lines</x:String>
@@ -301,8 +309,11 @@
   <x:String x:Key="Text.Preference.Git.User" xml:space="preserve">User Name</x:String>
   <x:String x:Key="Text.Preference.Git.User.Placeholder" xml:space="preserve">Global git user name</x:String>
   <x:String x:Key="Text.Preference.Git.Version" xml:space="preserve">Git version</x:String>
+  <x:String x:Key="Text.Preference.Git.Invalid" xml:space="preserve">Git (>= 2.23.0) is required by this app</x:String>
   <x:String x:Key="Text.Preference.GPG" xml:space="preserve">GPG SIGNING</x:String>
-  <x:String x:Key="Text.Preference.GPG.Enabled" xml:space="preserve">Commit GPG signing</x:String>
+  <x:String x:Key="Text.Preference.GPG.CommitEnabled" xml:space="preserve">Commit GPG signing</x:String>
+  <x:String x:Key="Text.Preference.GPG.TagEnabled" xml:space="preserve">Tag GPG signing</x:String>
+  <x:String x:Key="Text.Preference.GPG.Format" xml:space="preserve">GPG Format</x:String>
   <x:String x:Key="Text.Preference.GPG.Path" xml:space="preserve">Install Path</x:String>
   <x:String x:Key="Text.Preference.GPG.Path.Placeholder" xml:space="preserve">Input path for installed gpg program</x:String>
   <x:String x:Key="Text.Preference.GPG.UserKey" xml:space="preserve">User Signing Key</x:String>
@@ -314,9 +325,12 @@
   <x:String x:Key="Text.Preference.Merger.Path.Placeholder" xml:space="preserve">Input path for merge tool</x:String>
   <x:String x:Key="Text.Preference.Merger.Type" xml:space="preserve">Merger</x:String>
   <x:String x:Key="Text.Pull" xml:space="preserve">Pull</x:String>
-  <x:String x:Key="Text.Pull.AutoStash" xml:space="preserve">Stash &amp; reapply local changes</x:String>
   <x:String x:Key="Text.Pull.Branch" xml:space="preserve">Branch :</x:String>
   <x:String x:Key="Text.Pull.Into" xml:space="preserve">Into :</x:String>
+  <x:String x:Key="Text.Pull.LocalChanges" xml:space="preserve">Local Changes :</x:String>
+  <x:String x:Key="Text.Pull.LocalChanges.Discard" xml:space="preserve">Discard</x:String>
+  <x:String x:Key="Text.Pull.LocalChanges.DoNothing" xml:space="preserve">Do Nothing</x:String>
+  <x:String x:Key="Text.Pull.LocalChanges.StashAndReply" xml:space="preserve">Stash &amp; Reapply</x:String>
   <x:String x:Key="Text.Pull.Remote" xml:space="preserve">Remote :</x:String>
   <x:String x:Key="Text.Pull.Title" xml:space="preserve">Pull (Fetch &amp; Merge)</x:String>
   <x:String x:Key="Text.Pull.UseRebase" xml:space="preserve">Use rebase instead of merge</x:String>
@@ -326,7 +340,7 @@
   <x:String x:Key="Text.Push.Remote" xml:space="preserve">Remote :</x:String>
   <x:String x:Key="Text.Push.Title" xml:space="preserve">Push Changes To Remote</x:String>
   <x:String x:Key="Text.Push.To" xml:space="preserve">Remote Branch :</x:String>
-  <x:String x:Key="Text.Push.Tracking" xml:space="preserve">Tracking remote branch（--set-upstream）</x:String>
+  <x:String x:Key="Text.Push.Tracking" xml:space="preserve">Tracking remote branch</x:String>
   <x:String x:Key="Text.Push.WithAllTags" xml:space="preserve">Push all tags</x:String>
   <x:String x:Key="Text.PushTag" xml:space="preserve">Push Tag To Remote</x:String>
   <x:String x:Key="Text.PushTag.PushAllRemotes" xml:space="preserve">Push to all remotes</x:String>
@@ -476,4 +490,5 @@
   <x:String x:Key="Text.WorkingCopy.Unstaged.StageAll" xml:space="preserve">STAGE ALL</x:String>
   <x:String x:Key="Text.WorkingCopy.Unstaged.ViewAssumeUnchaged" xml:space="preserve">VIEW ASSUME UNCHANGED</x:String>
   <x:String x:Key="Text.WorkingCopy.ResolveTip" xml:space="preserve">Right-click the selected file(s), and make your choice to resolve conflicts.</x:String>
+  <x:String x:Key="Text.Worktree" xml:space="preserve">WORKTREE</x:String>
 </ResourceDictionary>

src/Resources/Locales/zh_CN.axaml

@@ -1,4 +1,7 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+  <ResourceDictionary.MergedDictionaries>
+    <ResourceInclude Source="en_US.axaml"/>
+  </ResourceDictionary.MergedDictionaries>
   <x:String x:Key="Text.About" xml:space="preserve">关于软件</x:String>
   <x:String x:Key="Text.About.Menu" xml:space="preserve">关于本软件</x:String>
   <x:String x:Key="Text.About.BuildWith" xml:space="preserve">• 项目依赖于 </x:String>
@@ -33,6 +36,8 @@
   <x:String x:Key="Text.Blame" xml:space="preserve">逐行追溯(blame)</x:String>
   <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">选中文件不支持该操作!!!</x:String>
   <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">检出(checkout)${0}$</x:String>
+  <x:String x:Key="Text.BranchCM.CompareWithHead" xml:space="preserve">与当前HEAD比较</x:String>
+  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">与本地工作树比较</x:String>
   <x:String x:Key="Text.BranchCM.CopyName" xml:space="preserve">复制分支名</x:String>
   <x:String x:Key="Text.BranchCM.Delete" xml:space="preserve">删除${0}$</x:String>
   <x:String x:Key="Text.BranchCM.DeleteMultiBranches" xml:space="preserve">删除选中的 {0} 个分支</x:String>
@@ -50,17 +55,18 @@
   <x:String x:Key="Text.Bytes" xml:space="preserve">字节</x:String>
   <x:String x:Key="Text.Cancel" xml:space="preserve">取    消</x:String>
   <x:String x:Key="Text.ChangeDisplayMode" xml:space="preserve">切换变更显示模式</x:String>
-  <x:String x:Key="Text.ChangeDisplayMode.Grid" xml:space="preserve">网格模式</x:String>
-  <x:String x:Key="Text.ChangeDisplayMode.List" xml:space="preserve">列表模式</x:String>
-  <x:String x:Key="Text.ChangeDisplayMode.Tree" xml:space="preserve">树形模式</x:String>
+  <x:String x:Key="Text.ChangeDisplayMode.Grid" xml:space="preserve">文件名+路径列表模式</x:String>
+  <x:String x:Key="Text.ChangeDisplayMode.List" xml:space="preserve">全路径列表模式</x:String>
+  <x:String x:Key="Text.ChangeDisplayMode.Tree" xml:space="preserve">文件目录树形结构模式</x:String>
   <x:String x:Key="Text.Checkout" xml:space="preserve">检出(checkout)分支</x:String>
   <x:String x:Key="Text.Checkout.Commit" xml:space="preserve">检出(checkout)提交</x:String>
   <x:String x:Key="Text.Checkout.Commit.Warning" xml:space="preserve">注意：执行该操作后，当前HEAD会变为游离(detached)状态!</x:String>
   <x:String x:Key="Text.Checkout.Commit.Target" xml:space="preserve">提交 ：</x:String>
   <x:String x:Key="Text.Checkout.Target" xml:space="preserve">目标分支 ：</x:String>
   <x:String x:Key="Text.Checkout.LocalChanges" xml:space="preserve">未提交更改 ：</x:String>
-  <x:String x:Key="Text.Checkout.LocalChanges.StashAndReply" xml:space="preserve">贮藏(stash)并自动恢复</x:String>
-  <x:String x:Key="Text.Checkout.LocalChanges.Discard" xml:space="preserve">忽略</x:String>
+  <x:String x:Key="Text.Checkout.LocalChanges.Discard" xml:space="preserve">丢弃更改</x:String>
+  <x:String x:Key="Text.Checkout.LocalChanges.DoNothing" xml:space="preserve">不做处理</x:String>
+  <x:String x:Key="Text.Checkout.LocalChanges.StashAndReply" xml:space="preserve">贮藏并自动恢复</x:String>
   <x:String x:Key="Text.CherryPick" xml:space="preserve">挑选(cherry-pick)此提交</x:String>
   <x:String x:Key="Text.CherryPick.Commit" xml:space="preserve">提交ID ：</x:String>
   <x:String x:Key="Text.CherryPick.CommitChanges" xml:space="preserve">提交变化</x:String>
@@ -77,6 +83,8 @@
   <x:String x:Key="Text.Close" xml:space="preserve">关闭</x:String>
   <x:String x:Key="Text.CommitCM.CherryPick" xml:space="preserve">挑选(cherry-pick)此提交</x:String>
   <x:String x:Key="Text.CommitCM.Checkout" xml:space="preserve">检出此提交</x:String>
+  <x:String x:Key="Text.CommitCM.CompareWithHead" xml:space="preserve">与当前HEAD比较</x:String>
+  <x:String x:Key="Text.CommitCM.CompareWithWorktree" xml:space="preserve">与本地工作树比较</x:String>
   <x:String x:Key="Text.CommitCM.CopySHA" xml:space="preserve">复制提交指纹</x:String>
   <x:String x:Key="Text.CommitCM.Rebase" xml:space="preserve">变基(rebase)${0}$到此处</x:String>
   <x:String x:Key="Text.CommitCM.Reset" xml:space="preserve">重置(reset)${0}$到此处</x:String>
@@ -109,13 +117,14 @@
   <x:String x:Key="Text.Configure.User.Placeholder" xml:space="preserve">应用于本仓库的用户名</x:String>
   <x:String x:Key="Text.Copy" xml:space="preserve">复制</x:String>
   <x:String x:Key="Text.CopyPath" xml:space="preserve">复制路径</x:String>
+  <x:String x:Key="Text.CopyFileName" xml:space="preserve">复制文件名</x:String>
   <x:String x:Key="Text.CreateBranch" xml:space="preserve">新建分支</x:String>
   <x:String x:Key="Text.CreateBranch.BasedOn" xml:space="preserve">新分支基于 ：</x:String>
   <x:String x:Key="Text.CreateBranch.Checkout" xml:space="preserve">完成后切换到新分支</x:String>
   <x:String x:Key="Text.CreateBranch.LocalChanges" xml:space="preserve">未提交更改 ：</x:String>
-  <x:String x:Key="Text.CreateBranch.LocalChanges.Discard" xml:space="preserve">放弃所有</x:String>
+  <x:String x:Key="Text.CreateBranch.LocalChanges.Discard" xml:space="preserve">丢弃更改</x:String>
+  <x:String x:Key="Text.CreateBranch.LocalChanges.DoNothing" xml:space="preserve">不做处理</x:String>
   <x:String x:Key="Text.CreateBranch.LocalChanges.StashAndReply" xml:space="preserve">贮藏并自动恢复</x:String>
-  <x:String x:Key="Text.CreateBranch.LocalChanges.DoNothing" xml:space="preserve">GIT默认</x:String>
   <x:String x:Key="Text.CreateBranch.Name" xml:space="preserve">新分支名 ：</x:String>
   <x:String x:Key="Text.CreateBranch.Name.Placeholder" xml:space="preserve">填写分支名称。</x:String>
   <x:String x:Key="Text.CreateBranch.Title" xml:space="preserve">创建本地分支</x:String>
@@ -157,6 +166,8 @@
   <x:String x:Key="Text.Diff.NoChange" xml:space="preserve">没有变更或仅有换行符差异</x:String>
   <x:String x:Key="Text.Diff.Prev" xml:space="preserve">上一个差异</x:String>
   <x:String x:Key="Text.Diff.SideBySide" xml:space="preserve">分列对比</x:String>
+  <x:String x:Key="Text.Diff.Submodule" xml:space="preserve">子模块</x:String>
+  <x:String x:Key="Text.Diff.Submodule.New" xml:space="preserve">新增</x:String>
   <x:String x:Key="Text.Diff.SyntaxHighlight" xml:space="preserve">语法高亮</x:String>
   <x:String x:Key="Text.Diff.UseMerger" xml:space="preserve">使用外部合并工具查看</x:String>
   <x:String x:Key="Text.Diff.VisualLines.Decr" xml:space="preserve">减少可见的行数</x:String>
@@ -301,8 +312,11 @@
   <x:String x:Key="Text.Preference.Git.User" xml:space="preserve">用户名</x:String>
   <x:String x:Key="Text.Preference.Git.User.Placeholder" xml:space="preserve">默认GIT用户名</x:String>
   <x:String x:Key="Text.Preference.Git.Version" xml:space="preserve">Git 版本</x:String>
+  <x:String x:Key="Text.Preference.Git.Invalid" xml:space="preserve">本软件要求GIT最低版本为2.23.0</x:String>
   <x:String x:Key="Text.Preference.GPG" xml:space="preserve">GPG签名</x:String>
-  <x:String x:Key="Text.Preference.GPG.Enabled" xml:space="preserve">启用提交签名</x:String>
+  <x:String x:Key="Text.Preference.GPG.CommitEnabled" xml:space="preserve">启用提交签名</x:String>
+  <x:String x:Key="Text.Preference.GPG.TagEnabled" xml:space="preserve">启用标签签名</x:String>
+  <x:String x:Key="Text.Preference.GPG.Format" xml:space="preserve">GPG签名格式</x:String>
   <x:String x:Key="Text.Preference.GPG.Path" xml:space="preserve">可执行文件位置</x:String>
   <x:String x:Key="Text.Preference.GPG.Path.Placeholder" xml:space="preserve">gpg.exe所在路径</x:String>
   <x:String x:Key="Text.Preference.GPG.UserKey" xml:space="preserve">用户签名KEY</x:String>
@@ -314,9 +328,12 @@
   <x:String x:Key="Text.Preference.Merger.Path.Placeholder" xml:space="preserve">填写工具可执行文件所在位置</x:String>
   <x:String x:Key="Text.Preference.Merger.Type" xml:space="preserve">工具</x:String>
   <x:String x:Key="Text.Pull" xml:space="preserve">拉回(pull)</x:String>
-  <x:String x:Key="Text.Pull.AutoStash" xml:space="preserve">自动贮藏并恢复本地变更</x:String>
   <x:String x:Key="Text.Pull.Branch" xml:space="preserve">拉取分支 ：</x:String>
   <x:String x:Key="Text.Pull.Into" xml:space="preserve">本地分支 ：</x:String>
+  <x:String x:Key="Text.Pull.LocalChanges" xml:space="preserve">未提交更改 ：</x:String>
+  <x:String x:Key="Text.Pull.LocalChanges.Discard" xml:space="preserve">丢弃更改</x:String>
+  <x:String x:Key="Text.Pull.LocalChanges.DoNothing" xml:space="preserve">不做处理</x:String>
+  <x:String x:Key="Text.Pull.LocalChanges.StashAndReply" xml:space="preserve">贮藏并自动恢复</x:String>
   <x:String x:Key="Text.Pull.Remote" xml:space="preserve">远程 ：</x:String>
   <x:String x:Key="Text.Pull.Title" xml:space="preserve">拉回（拉取并合并）</x:String>
   <x:String x:Key="Text.Pull.UseRebase" xml:space="preserve">使用变基方式合并分支</x:String>
@@ -326,7 +343,7 @@
   <x:String x:Key="Text.Push.Remote" xml:space="preserve">远程仓库 ：</x:String>
   <x:String x:Key="Text.Push.Title" xml:space="preserve">推送到远程仓库</x:String>
   <x:String x:Key="Text.Push.To" xml:space="preserve">远程分支 ：</x:String>
-  <x:String x:Key="Text.Push.Tracking" xml:space="preserve">跟踪远程分支（--set-upstream）</x:String>
+  <x:String x:Key="Text.Push.Tracking" xml:space="preserve">跟踪远程分支</x:String>
   <x:String x:Key="Text.Push.WithAllTags" xml:space="preserve">同时推送标签</x:String>
   <x:String x:Key="Text.PushTag" xml:space="preserve">推送标签到远程仓库</x:String>
   <x:String x:Key="Text.PushTag.PushAllRemotes" xml:space="preserve">推送到所有远程仓库</x:String>
@@ -476,4 +493,5 @@
   <x:String x:Key="Text.WorkingCopy.Unstaged.StageAll" xml:space="preserve">暂存所有</x:String>
   <x:String x:Key="Text.WorkingCopy.Unstaged.ViewAssumeUnchaged" xml:space="preserve">查看忽略变更文件</x:String>
   <x:String x:Key="Text.WorkingCopy.ResolveTip" xml:space="preserve">请选中冲突文件，打开右键菜单，选择合适的解决方式</x:String>
+  <x:String x:Key="Text.Worktree" xml:space="preserve">本地工作树</x:String>
 </ResourceDictionary>

src/Resources/Styles.axaml

@@ -60,6 +60,18 @@
       </Animation>
     </Style.Animations>
   </Style>
+  <Style Selector="Path.change_mode_switcher_icon">
+    <Setter Property="Fill" Value="{DynamicResource Brush.FG2}"/>
+  </Style>
+  <Style Selector="Button:pointerover Path.change_mode_switcher_icon">
+    <Setter Property="Fill" Value="{DynamicResource Brush.Accent}"/>
+  </Style>
+  <Style Selector="Button.max_or_restore_btn Path">
+    <Setter Property="Data" Value="{StaticResource Icons.Window.Maximize}"/>
+  </Style>
+  <Style Selector="Window[WindowState=Maximized] Button.max_or_restore_btn Path">
+    <Setter Property="Data" Value="{StaticResource Icons.Window.Restore}"/>
+  </Style>
 
   <Style Selector="TextBlock">
     <Setter Property="HorizontalAlignment" Value="Left"/>
@@ -72,7 +84,7 @@
   <Style Selector="TextBlock.italic">
     <Setter Property="FontStyle" Value="Italic"/>
   </Style>
-  <Style Selector="TextBlock.monospace">
+  <Style Selector="TextBlock.monospace, SelectableTextBlock.monospace">
     <Setter Property="FontFamily" Value="{Binding Source={x:Static vm:Preference.Instance}, Path=MonospaceFont}"/>
   </Style>
   <Style Selector="TextBlock.group_header_label">
@@ -86,6 +98,11 @@
     <Setter Property="HorizontalAlignment" Value="Right"/>
   </Style>
   
+  <Style Selector="SelectableTextBlock">
+    <Setter Property="HorizontalAlignment" Value="Left"/>
+    <Setter Property="VerticalAlignment" Value="Center"/>
+    <Setter Property="Foreground" Value="{DynamicResource Brush.FG1}"/>
+  </Style>
   <Style Selector="SelectableTextBlock[IsEnabled=True]">
     <Setter Property="ContextFlyout">
       <Setter.Value>
@@ -111,6 +128,7 @@
     <Setter Property="BorderThickness" Value="1"/>
     <Setter Property="BorderBrush" Value="{DynamicResource Brush.Border1}"/>
     <Setter Property="Background" Value="{DynamicResource Brush.Contents}"/>
+    <Setter Property="Foreground" Value="{DynamicResource Brush.FG1}"/>
     <Setter Property="ContextFlyout">
       <Setter.Value>
         <MenuFlyout>
@@ -344,7 +362,7 @@
                             HorizontalAlignment="Center"
                             VerticalAlignment="Center"
                             Width="12"
-                            Fill="{Binding $parent.Foreground}"/>
+                            Fill="{DynamicResource Brush.FG1}"/>
                     </ToggleButton>
                     <ToggleButton Theme="{StaticResource SearchPanelTextBoxButton}"
                                   IsChecked="{Binding $parent[aes:SearchPanel].WholeWords, Mode=TwoWay}"
@@ -356,7 +374,7 @@
                             HorizontalAlignment="Center"
                             VerticalAlignment="Center"
                             Width="14"
-                            Fill="{Binding $parent.Foreground}"/>
+                            Fill="{DynamicResource Brush.FG1}"/>
                     </ToggleButton>
                     <ToggleButton Theme="{StaticResource SearchPanelTextBoxButton}"
                                   IsChecked="{Binding $parent[aes:SearchPanel].UseRegex, Mode=TwoWay}"
@@ -368,7 +386,7 @@
                             HorizontalAlignment="Center"
                             VerticalAlignment="Center"
                             Width="12"
-                            Fill="{Binding $parent.Foreground}"/>
+                            Fill="{DynamicResource Brush.FG1}"/>
                     </ToggleButton>
                   </StackPanel>
                 </TextBox.InnerRightContent>
@@ -1075,4 +1093,62 @@
   <Style Selector="TreeViewItem[IsExpanded=False] Path.folder_icon">
     <Setter Property="Data" Value="{StaticResource Icons.Folder.Fill}"/>
   </Style>
+
+  <Style Selector="TreeDataGrid">
+    <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
+    <Setter Property="Template">
+      <ControlTemplate>
+        <Border x:Name="RootBorder"
+                Background="{TemplateBinding Background}"
+                BorderBrush="{TemplateBinding BorderBrush}"
+                BorderThickness="{TemplateBinding BorderThickness}"
+                CornerRadius="{TemplateBinding CornerRadius}">
+          <DockPanel>
+            <ScrollViewer Name="PART_HeaderScrollViewer"
+                          DockPanel.Dock="Top"
+                          IsVisible="{TemplateBinding ShowColumnHeaders}"
+                          HorizontalScrollBarVisibility="Hidden"
+                          VerticalScrollBarVisibility="Disabled"
+                          BringIntoViewOnFocusChange="{TemplateBinding (ScrollViewer.BringIntoViewOnFocusChange)}">
+              <Border x:Name="ColumnHeadersPresenterBorder">
+                <TreeDataGridColumnHeadersPresenter Name="PART_ColumnHeadersPresenter"
+                                                    ElementFactory="{TemplateBinding ElementFactory}"
+                                                    Items="{TemplateBinding Columns}" />
+              </Border>
+            </ScrollViewer>
+            <ScrollViewer Name="PART_ScrollViewer"
+                          HorizontalScrollBarVisibility="{TemplateBinding (ScrollViewer.HorizontalScrollBarVisibility)}"
+                          BringIntoViewOnFocusChange="{TemplateBinding (ScrollViewer.BringIntoViewOnFocusChange)}">
+              <TreeDataGridRowsPresenter Name="PART_RowsPresenter"
+                                         Columns="{TemplateBinding Columns}"
+                                         ElementFactory="{TemplateBinding ElementFactory}"
+                                         Items="{TemplateBinding Rows}" />
+            </ScrollViewer>
+          </DockPanel>
+        </Border>
+      </ControlTemplate>
+    </Setter>
+
+    <Style Selector="^/template/ Border#ColumnHeadersPresenterBorder">
+      <Setter Property="BorderThickness" Value="0 0 0 1" />
+      <Setter Property="BorderBrush" Value="{DynamicResource TreeDataGridGridLinesBrush}" />
+    </Style>
+  </Style>
+
+  <Style Selector="TreeDataGridRow">
+    <Setter Property="Background" Value="Transparent"/>
+  </Style>
+  
+  <Style Selector="TreeDataGridColumnHeader">
+    <Setter Property="HorizontalContentAlignment" Value="Center"/>
+  </Style>
+  <Style Selector="TreeDataGridTextCell TextBlock">
+    <Setter Property="FontFamily" Value="{Binding Source={x:Static vm:Preference.Instance}, Path=MonospaceFont}"/>
+  </Style>
+  <Style Selector="TreeDataGridExpanderCell[IsExpanded=True] Path.folder_icon">
+    <Setter Property="Data" Value="{StaticResource Icons.Folder.Open}"/>
+  </Style>
+  <Style Selector="TreeDataGridExpanderCell[IsExpanded=False] Path.folder_icon">
+    <Setter Property="Data" Value="{StaticResource Icons.Folder.Fill}"/>
+  </Style>
 </Styles>

src/Resources/Themes.axaml

@@ -48,7 +48,7 @@
       <Color x:Key="Color.FlatButton.BackgroundHovered">#FF333333</Color>
       <Color x:Key="Color.FlatButton.PrimaryBackground">#FF3A3A3A</Color>
       <Color x:Key="Color.FlatButton.PrimaryBackgroundHovered">#FF404040</Color>
-      <Color x:Key="Color.FG1">#FFF1F1F1</Color>
+      <Color x:Key="Color.FG1">#FFDDDDDD</Color>
       <Color x:Key="Color.FG2">#40F1F1F1</Color>
       <Color x:Key="Color.FG3">#FF252525</Color>
     </ResourceDictionary>

src/SourceGit.csproj

@@ -33,6 +33,7 @@
     <PackageReference Include="Avalonia.Desktop" Version="11.0.10" />
     <PackageReference Include="Avalonia.Themes.Fluent" Version="11.0.10" />
     <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.0.10" />
+    <PackageReference Include="Avalonia.Controls.TreeDataGrid" Version="11.0.10" />
     <PackageReference Include="Avalonia.AvaloniaEdit" Version="11.0.6" />
     <PackageReference Include="Avalonia.Diagnostics" Version="11.0.10" Condition="'$(Configuration)' == 'Debug'" />
     <PackageReference Include="AvaloniaEdit.TextMate" Version="11.0.6" />

src/ViewModels/AssumeUnchangedManager.cs

@@ -24,9 +24,9 @@ namespace SourceGit.ViewModels
             });
         }
 
-        public void Remove(object param)
+        public void Remove(string file)
         {
-            if (param is string file)
+            if (!string.IsNullOrEmpty(file))
             {
                 new Commands.AssumeUnchanged(_repo).Remove(file);
                 Files.Remove(file);

src/ViewModels/Checkout.cs

@@ -10,10 +10,10 @@ namespace SourceGit.ViewModels
             private set;
         }
 
-        public bool AutoStash
+        public Models.DealWithLocalChanges PreAction
         {
-            get => _autoStash;
-            set => SetProperty(ref _autoStash, value);
+            get => _preAction;
+            set => SetProperty(ref _preAction, value);
         }
 
         public Checkout(Repository repo, string branch)
@@ -34,7 +34,7 @@ namespace SourceGit.ViewModels
                 var needPopStash = false;
                 if (hasLocalChanges)
                 {
-                    if (AutoStash)
+                    if (_preAction == Models.DealWithLocalChanges.StashAndReaply)
                     {
                         SetProgressDescription("Adding untracked changes ...");
                         var succ = new Commands.Add(_repo.FullPath).Exec();
@@ -52,7 +52,7 @@ namespace SourceGit.ViewModels
 
                         needPopStash = true;
                     }
-                    else
+                    else if (_preAction == Models.DealWithLocalChanges.Discard)
                     {
                         SetProgressDescription("Discard local changes ...");
                         Commands.Discard.All(_repo.FullPath);
@@ -78,6 +78,6 @@ namespace SourceGit.ViewModels
         }
 
         private readonly Repository _repo = null;
-        private bool _autoStash = true;
+        private Models.DealWithLocalChanges _preAction = Models.DealWithLocalChanges.StashAndReaply;
     }
 }

src/ViewModels/Clone.cs

@@ -50,10 +50,10 @@ namespace SourceGit.ViewModels
             set => SetProperty(ref _extraArgs, value);
         }
 
-        public Clone(Launcher launcher, LauncherPage page)
+        public Clone(Launcher launcher)
         {
             _launcher = launcher;
-            _page = page;
+            _page = launcher.ActivePage;
 
             View = new Views.Clone() { DataContext = this };
         }

src/ViewModels/CommitDetail.cs

@@ -4,6 +4,7 @@ using System.IO;
 using System.Threading.Tasks;
 
 using Avalonia.Controls;
+using Avalonia.Controls.Models.TreeDataGrid;
 using Avalonia.Media.Imaging;
 using Avalonia.Platform.Storage;
 using Avalonia.Threading;
@@ -48,48 +49,17 @@ namespace SourceGit.ViewModels
             set => SetProperty(ref _visibleChanges, value);
         }
 
-        public List<FileTreeNode> ChangeTree
+        public List<Models.Change> SelectedChanges
         {
-            get => _changeTree;
-            set => SetProperty(ref _changeTree, value);
-        }
-
-        public Models.Change SelectedChange
-        {
-            get => _selectedChange;
+            get => _selectedChanges;
             set
             {
-                if (SetProperty(ref _selectedChange, value))
+                if (SetProperty(ref _selectedChanges, value))
                 {
-                    if (value == null)
-                    {
-                        SelectedChangeNode = null;
+                    if (value == null || value.Count != 1)
                         DiffContext = null;
-                    }
                     else
-                    {
-                        SelectedChangeNode = FileTreeNode.SelectByPath(_changeTree, value.Path);
-                        DiffContext = new DiffContext(_repo, new Models.DiffOption(_commit, value), _diffContext);
-                    }
-                }
-            }
-        }
-
-        public FileTreeNode SelectedChangeNode
-        {
-            get => _selectedChangeNode;
-            set
-            {
-                if (SetProperty(ref _selectedChangeNode, value))
-                {
-                    if (value == null)
-                    {
-                        SelectedChange = null;
-                    }
-                    else
-                    {
-                        SelectedChange = value.Backend as Models.Change;
-                    }
+                        DiffContext = new DiffContext(_repo, new Models.DiffOption(_commit, value[0]), _diffContext);
                 }
             }
         }
@@ -106,26 +76,10 @@ namespace SourceGit.ViewModels
             }
         }
 
-        public List<FileTreeNode> RevisionFilesTree
+        public HierarchicalTreeDataGridSource<Models.FileTreeNode> RevisionFiles
         {
-            get => _revisionFilesTree;
-            set => SetProperty(ref _revisionFilesTree, value);
-        }
-
-        public FileTreeNode SelectedRevisionFileNode
-        {
-            get => _selectedRevisionFileNode;
-            set
-            {
-                if (SetProperty(ref _selectedRevisionFileNode, value) && value != null && !value.IsFolder)
-                {
-                    RefreshViewRevisionFile(value.Backend as Models.Object);
-                }
-                else
-                {
-                    ViewRevisionFileContent = null;
-                }
-            }
+            get => _revisionFiles;
+            private set => SetProperty(ref _revisionFiles, value);
         }
 
         public string SearchFileFilter
@@ -159,17 +113,14 @@ namespace SourceGit.ViewModels
                 _changes.Clear();
             if (_visibleChanges != null)
                 _visibleChanges.Clear();
-            if (_changeTree != null)
-                _changeTree.Clear();
-            _selectedChange = null;
-            _selectedChangeNode = null;
+            if (_selectedChanges != null)
+                _selectedChanges.Clear();
             _searchChangeFilter = null;
             _diffContext = null;
+            if (_revisionFilesBackup != null)
+                _revisionFilesBackup.Clear();
             if (_revisionFiles != null)
-                _revisionFiles.Clear();
-            if (_revisionFilesTree != null)
-                _revisionFilesTree.Clear();
-            _selectedRevisionFileNode = null;
+                _revisionFiles.Dispose();
             _searchFileFilter = null;
             _viewRevisionFileContent = null;
             _cancelToken = null;
@@ -268,6 +219,16 @@ namespace SourceGit.ViewModels
             };
             menu.Items.Add(copyPath);
 
+            var copyFileName = new MenuItem();
+            copyFileName.Header = App.Text("CopyFileName");
+            copyFileName.Icon = App.CreateMenuIcon("Icons.Copy");
+            copyFileName.Click += (_, e) =>
+            {
+                App.CopyText(Path.GetFileName(change.Path));
+                e.Handled = true;
+            };
+            menu.Items.Add(copyFileName);
+            
             return menu;
         }
 
@@ -333,12 +294,22 @@ namespace SourceGit.ViewModels
                 ev.Handled = true;
             };
 
+            var copyFileName = new MenuItem();
+            copyFileName.Header = App.Text("CopyFileName");
+            copyFileName.Icon = App.CreateMenuIcon("Icons.Copy");
+            copyFileName.Click += (_, e) =>
+            {
+                App.CopyText(Path.GetFileName(file.Path));
+                e.Handled = true;
+            };
+
             var menu = new ContextMenu();
             menu.Items.Add(history);
             menu.Items.Add(blame);
             menu.Items.Add(explore);
             menu.Items.Add(saveAs);
             menu.Items.Add(copyPath);
+            menu.Items.Add(copyFileName);
             return menu;
         }
 
@@ -346,9 +317,14 @@ namespace SourceGit.ViewModels
         {
             _changes = null;
             VisibleChanges = null;
-            SelectedChange = null;
-            RevisionFilesTree = null;
-            SelectedRevisionFileNode = null;
+            SelectedChanges = null;
+
+            if (_revisionFiles != null)
+            {
+                _revisionFiles.Dispose();
+                _revisionFiles = null;
+            }
+
             if (_commit == null)
                 return;
             if (_cancelToken != null)
@@ -379,40 +355,33 @@ namespace SourceGit.ViewModels
                     }
                 }
 
-                var tree = FileTreeNode.Build(visible);
                 Dispatcher.UIThread.Invoke(() =>
                 {
                     Changes = changes;
                     VisibleChanges = visible;
-                    ChangeTree = tree;
                 });
             });
 
             Task.Run(() =>
             {
-                var files = cmdRevisionFiles.Result();
+                _revisionFilesBackup = cmdRevisionFiles.Result();
                 if (cmdRevisionFiles.Cancel.Requested)
                     return;
 
-                var visible = files;
-                if (!string.IsNullOrWhiteSpace(_searchFileFilter))
+                var visible = _revisionFilesBackup;
+                var isSearching = !string.IsNullOrWhiteSpace(_searchFileFilter);
+                if (isSearching)
                 {
                     visible = new List<Models.Object>();
-                    foreach (var f in files)
+                    foreach (var f in _revisionFilesBackup)
                     {
                         if (f.Path.Contains(_searchFileFilter, StringComparison.OrdinalIgnoreCase))
-                        {
                             visible.Add(f);
-                        }
                     }
                 }
 
-                var tree = FileTreeNode.Build(visible);
-                Dispatcher.UIThread.Invoke(() =>
-                {
-                    _revisionFiles = files;
-                    RevisionFilesTree = tree;
-                });
+                var tree = Models.FileTreeNode.Build(visible, isSearching || visible.Count <= 100);
+                Dispatcher.UIThread.Invoke(() => BuildRevisionFilesSource(tree));
             });
         }
 
@@ -431,15 +400,11 @@ namespace SourceGit.ViewModels
                 foreach (var c in _changes)
                 {
                     if (c.Path.Contains(_searchChangeFilter, StringComparison.OrdinalIgnoreCase))
-                    {
                         visible.Add(c);
-                    }
                 }
 
                 VisibleChanges = visible;
             }
-
-            ChangeTree = FileTreeNode.Build(_visibleChanges);
         }
 
         private void RefreshVisibleFiles()
@@ -447,24 +412,29 @@ namespace SourceGit.ViewModels
             if (_revisionFiles == null)
                 return;
 
-            var visible = _revisionFiles;
-            if (!string.IsNullOrWhiteSpace(_searchFileFilter))
+            var visible = _revisionFilesBackup;
+            var isSearching = !string.IsNullOrWhiteSpace(_searchFileFilter);
+            if (isSearching)
             {
                 visible = new List<Models.Object>();
-                foreach (var f in _revisionFiles)
+                foreach (var f in _revisionFilesBackup)
                 {
                     if (f.Path.Contains(_searchFileFilter, StringComparison.OrdinalIgnoreCase))
-                    {
                         visible.Add(f);
-                    }
                 }
             }
 
-            RevisionFilesTree = FileTreeNode.Build(visible);
+            BuildRevisionFilesSource(Models.FileTreeNode.Build(visible, isSearching || visible.Count < 100));
         }
 
         private void RefreshViewRevisionFile(Models.Object file)
         {
+            if (file == null)
+            {
+                ViewRevisionFileContent = null;
+                return;
+            }
+
             switch (file.Type)
             {
                 case Models.ObjectType.Blob:
@@ -541,6 +511,36 @@ namespace SourceGit.ViewModels
             }
         }
 
+        private void BuildRevisionFilesSource(List<Models.FileTreeNode> tree)
+        {
+            var source = new HierarchicalTreeDataGridSource<Models.FileTreeNode>(tree)
+            {
+                Columns =
+                {
+                    new HierarchicalExpanderColumn<Models.FileTreeNode>(
+                        new TemplateColumn<Models.FileTreeNode>("Icon", "FileTreeNodeExpanderTemplate", null, GridLength.Auto),
+                        x => x.Children,
+                        x => x.Children.Count > 0,
+                        x => x.IsExpanded),
+                    new TextColumn<Models.FileTreeNode, string>(
+                        null,
+                        x => string.Empty,
+                        GridLength.Star)
+                }
+            };
+
+            var selection = new Models.TreeDataGridSelectionModel<Models.FileTreeNode>(source, x => x.Children);
+            selection.SingleSelect = true;
+            selection.SelectionChanged += (s, _) =>
+            {
+                if (s is Models.TreeDataGridSelectionModel<Models.FileTreeNode> selection)
+                    RefreshViewRevisionFile(selection.SelectedItem?.Backend as Models.Object);
+            };
+
+            source.Selection = selection;
+            RevisionFiles = source;
+        }
+
         private static readonly HashSet<string> IMG_EXTS = new HashSet<string>()
         {
             ".ico", ".bmp", ".jpg", ".png", ".jpeg"
@@ -551,14 +551,11 @@ namespace SourceGit.ViewModels
         private Models.Commit _commit = null;
         private List<Models.Change> _changes = null;
         private List<Models.Change> _visibleChanges = null;
-        private List<FileTreeNode> _changeTree = null;
-        private Models.Change _selectedChange = null;
-        private FileTreeNode _selectedChangeNode = null;
+        private List<Models.Change> _selectedChanges = null;
         private string _searchChangeFilter = string.Empty;
         private DiffContext _diffContext = null;
-        private List<Models.Object> _revisionFiles = null;
-        private List<FileTreeNode> _revisionFilesTree = null;
-        private FileTreeNode _selectedRevisionFileNode = null;
+        private List<Models.Object> _revisionFilesBackup = null;
+        private HierarchicalTreeDataGridSource<Models.FileTreeNode> _revisionFiles = null;
         private string _searchFileFilter = string.Empty;
         private object _viewRevisionFileContent = null;
         private Commands.Command.CancelToken _cancelToken = null;

src/ViewModels/CreateBranch.cs

@@ -3,13 +3,6 @@ using System.Threading.Tasks;
 
 namespace SourceGit.ViewModels
 {    
-    public enum BeforeCreateBranchAction
-    {
-        StashAndReaply,
-        Discard,
-        DoNothing,
-    }
-    
     public class CreateBranch : Popup
     {
         [Required(ErrorMessage = "Branch name is required!")]
@@ -27,7 +20,7 @@ namespace SourceGit.ViewModels
             private set;
         }
         
-        public BeforeCreateBranchAction PreAction
+        public Models.DealWithLocalChanges PreAction
         {
             get => _preAction;
             set => SetProperty(ref _preAction, value);
@@ -97,7 +90,7 @@ namespace SourceGit.ViewModels
                     bool needPopStash = false;
                     if (_repo.WorkingCopyChangesCount > 0)
                     {
-                        if (_preAction == BeforeCreateBranchAction.StashAndReaply)
+                        if (_preAction == Models.DealWithLocalChanges.StashAndReaply)
                         {
                             SetProgressDescription("Adding untracked changes...");
                             var succ = new Commands.Add(_repo.FullPath).Exec();
@@ -115,7 +108,7 @@ namespace SourceGit.ViewModels
 
                             needPopStash = true;
                         }
-                        else if (_preAction == BeforeCreateBranchAction.Discard)
+                        else if (_preAction == Models.DealWithLocalChanges.Discard)
                         {
                             SetProgressDescription("Discard local changes...");
                             Commands.Discard.All(_repo.FullPath);
@@ -133,6 +126,7 @@ namespace SourceGit.ViewModels
                 }
                 else
                 {
+                    SetProgressDescription($"Create new branch '{_name}'");
                     Commands.Branch.Create(_repo.FullPath, _name, _baseOnRevision);
                 }
 
@@ -144,6 +138,6 @@ namespace SourceGit.ViewModels
         private readonly Repository _repo = null;
         private string _name = null;
         private readonly string _baseOnRevision = null;
-        private BeforeCreateBranchAction _preAction = BeforeCreateBranchAction.StashAndReaply;
+        private Models.DealWithLocalChanges _preAction = Models.DealWithLocalChanges.StashAndReaply;
     }
 }

src/ViewModels/DiffContext.cs

@@ -85,6 +85,11 @@ namespace SourceGit.ViewModels
                 _content = previous._content;
             }
 
+            if (string.IsNullOrEmpty(_option.OrgPath) || _option.OrgPath == "/dev/null")
+                _title = _option.Path;
+            else
+                _title = $"{_option.OrgPath} → {_option.Path}";
+
             LoadDiffContent();
         }
 
@@ -123,8 +128,31 @@ namespace SourceGit.ViewModels
 
                 if (latest.TextDiff != null)
                 {
-                    latest.TextDiff.File = _option.Path;
-                    rs = latest.TextDiff;
+                    var repo = Preference.FindRepository(_repo);
+                    if (repo != null && repo.Submodules.Contains(_option.Path)) 
+                    {
+                        var submoduleDiff = new Models.SubmoduleDiff();
+                        var submoduleRoot = $"{_repo}/{_option.Path}".Replace("\\", "/");
+                        foreach (var line in latest.TextDiff.Lines)
+                        {
+                            if (line.Type == Models.TextDiffLineType.Added)
+                            {
+                                var sha = line.Content.Substring("Subproject commit ".Length);
+                                submoduleDiff.New = new Commands.QuerySingleCommit(submoduleRoot, sha).Result();
+                            }
+                            else if (line.Type == Models.TextDiffLineType.Deleted)
+                            {
+                                var sha = line.Content.Substring("Subproject commit ".Length);
+                                submoduleDiff.Old = new Commands.QuerySingleCommit(submoduleRoot, sha).Result();
+                            }
+                        }
+                        rs = submoduleDiff;
+                    }
+                    else
+                    {
+                        latest.TextDiff.File = _option.Path;
+                        rs = latest.TextDiff;
+                    }
                 }
                 else if (latest.IsBinary)
                 {
@@ -175,14 +203,9 @@ namespace SourceGit.ViewModels
 
                 Dispatcher.UIThread.Post(() =>
                 {
-                    if (string.IsNullOrEmpty(_option.OrgPath) || _option.OrgPath == "/dev/null")
-                        Title = _option.Path;
-                    else
-                        Title = $"{_option.OrgPath} → {_option.Path}";
-
                     FileModeChange = latest.FileModeChange;
                     Content = rs;
-                    IsTextDiff = latest.TextDiff != null;
+                    IsTextDiff = rs is Models.TextDiff;
                     IsLoading = false;
                 });
             });

src/ViewModels/GitFlowFinish.cs

@@ -42,6 +42,7 @@ namespace SourceGit.ViewModels
                         break;
                 }
 
+                SetProgressDescription($"Git Flow - finishing {_branch.Name} ...");
                 var succ = new Commands.GitFlow(_repo.FullPath).Finish(_type, branch, KeepBranch);
                 CallUIThread(() => _repo.SetWatcherEnabled(true));
                 return succ;

src/ViewModels/GitFlowStart.cs

@@ -65,6 +65,7 @@ namespace SourceGit.ViewModels
             _repo.SetWatcherEnabled(false);
             return Task.Run(() =>
             {
+                SetProgressDescription($"Git Flow - starting {_prefix}{_name} ...");
                 var succ = new Commands.GitFlow(_repo.FullPath).Start(_type, _name);
                 CallUIThread(() => _repo.SetWatcherEnabled(true));
                 return succ;

src/ViewModels/Histories.cs

@@ -69,7 +69,7 @@ namespace SourceGit.ViewModels
         public Models.Commit AutoSelectedCommit
         {
             get => _autoSelectedCommit;
-            private set => SetProperty(ref _autoSelectedCommit, value);
+            set => SetProperty(ref _autoSelectedCommit, value);
         }
 
         public long NavigationId
@@ -81,7 +81,7 @@ namespace SourceGit.ViewModels
         public object DetailContext
         {
             get => _detailContext;
-            private set => SetProperty(ref _detailContext, value);
+            set => SetProperty(ref _detailContext, value);
         }
 
         public Histories(Repository repo)
@@ -171,17 +171,16 @@ namespace SourceGit.ViewModels
             }
         }
 
-        public ContextMenu MakeContextMenu()
+        public ContextMenu MakeContextMenu(DataGrid datagrid)
         {
-            var detail = _detailContext as CommitDetail;
-            if (detail == null)
+            if (datagrid.SelectedItems.Count != 1)
                 return null;
 
             var current = _repo.Branches.Find(x => x.IsCurrent);
             if (current == null)
                 return null;
 
-            var commit = detail.Commit;
+            var commit = datagrid.SelectedItem as Models.Commit;
             var menu = new ContextMenu();
             var tags = new List<Models.Tag>();
 
@@ -317,6 +316,46 @@ namespace SourceGit.ViewModels
 
             menu.Items.Add(new MenuItem() { Header = "-" });
 
+            if (current.Head != commit.SHA)
+            {
+                var compareWithHead = new MenuItem();
+                compareWithHead.Header = App.Text("CommitCM.CompareWithHead");
+                compareWithHead.Icon = App.CreateMenuIcon("Icons.Compare");
+                compareWithHead.Click += (o, e) =>
+                {
+                    var head = _commits.Find(x => x.SHA == current.Head);
+                    if (head == null)
+                    {
+                        _repo.SearchResultSelectedCommit = null;
+                        head = new Commands.QuerySingleCommit(_repo.FullPath, current.Head).Result();
+                        if (head != null)
+                            DetailContext = new RevisionCompare(_repo.FullPath, commit, head);
+                    }
+                    else
+                    {
+                        datagrid.SelectedItems.Add(head);
+                    }
+
+                    e.Handled = true;
+                };
+                menu.Items.Add(compareWithHead);
+
+                if (_repo.WorkingCopyChangesCount > 0)
+                {
+                    var compareWithWorktree = new MenuItem();
+                    compareWithWorktree.Header = App.Text("CommitCM.CompareWithWorktree");
+                    compareWithWorktree.Icon = App.CreateMenuIcon("Icons.Compare");
+                    compareWithWorktree.Click += (o, e) =>
+                    {
+                        DetailContext = new RevisionCompare(_repo.FullPath, commit, null);
+                        e.Handled = true;
+                    };
+                    menu.Items.Add(compareWithWorktree);
+                }
+
+                menu.Items.Add(new MenuItem() { Header = "-" });
+            }
+
             var createBranch = new MenuItem();
             createBranch.Icon = App.CreateMenuIcon("Icons.Branch.Add");
             createBranch.Header = App.Text("CreateBranch");
@@ -474,7 +513,7 @@ namespace SourceGit.ViewModels
             checkout.Icon = App.CreateMenuIcon("Icons.Check");
             checkout.Click += (o, e) =>
             {
-                _repo.CheckoutLocalBranch(branch.Name);
+                _repo.CheckoutBranch(branch);
                 e.Handled = true;
             };
             submenu.Items.Add(checkout);
@@ -546,20 +585,7 @@ namespace SourceGit.ViewModels
             checkout.Icon = App.CreateMenuIcon("Icons.Check");
             checkout.Click += (o, e) =>
             {
-                foreach (var b in _repo.Branches)
-                {
-                    if (b.IsLocal && b.Upstream == branch.FullName)
-                    {
-                        if (!b.IsCurrent)
-                            _repo.CheckoutLocalBranch(b.Name);
-
-                        return;
-                    }
-                }
-
-                if (PopupHost.CanCreatePopup())
-                    PopupHost.ShowPopup(new CreateBranch(_repo, branch));
-
+                _repo.CheckoutBranch(branch);
                 e.Handled = true;
             };
             submenu.Items.Add(checkout);

src/ViewModels/PopupHost.cs

@@ -52,17 +52,13 @@ namespace SourceGit.ViewModels
                 if (task != null)
                 {
                     var finished = await task;
+                    _popup.InProgress = false;
                     if (finished)
-                    {
                         Popup = null;
-                    }
-                    else
-                    {
-                        _popup.InProgress = false;
-                    }
                 }
                 else
                 {
+                    _popup.InProgress = false;
                     Popup = null;
                 }
             }

src/ViewModels/Preference.cs

@@ -459,10 +459,6 @@ namespace SourceGit.ViewModels
 
         public static void Save()
         {
-            var dir = Path.GetDirectoryName(_savePath);
-            if (!Directory.Exists(dir))
-                Directory.CreateDirectory(dir);
-
             var data = JsonSerializer.Serialize(_instance, JsonCodeGen.Default.Preference);
             File.WriteAllText(_savePath, data);
         }
@@ -515,10 +511,7 @@ namespace SourceGit.ViewModels
         }
 
         private static Preference _instance = null;
-        private static readonly string _savePath = Path.Combine(
-            Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-            "SourceGit",
-            "preference.json");
+        private static readonly string _savePath = Path.Combine(Native.OS.DataDir, "preference.json");
 
         private string _locale = "en_US";
         private string _theme = "Default";

src/ViewModels/Pull.cs

@@ -47,13 +47,13 @@ namespace SourceGit.ViewModels
             set => SetProperty(ref _selectedBranch, value);
         }
 
-        public bool UseRebase
+        public Models.DealWithLocalChanges PreAction
         {
-            get;
-            set;
-        } = true;
+            get => _preAction;
+            set => SetProperty(ref _preAction, value);
+        }
 
-        public bool AutoStash
+        public bool UseRebase
         {
             get;
             set;
@@ -117,23 +117,31 @@ namespace SourceGit.ViewModels
             return Task.Run(() =>
             {
                 var needPopStash = false;
-                if (AutoStash && _repo.WorkingCopyChangesCount > 0)
+                if (_repo.WorkingCopyChangesCount > 0)
                 {
-                    SetProgressDescription("Adding untracked changes...");
-                    var succ = new Commands.Add(_repo.FullPath).Exec();
-                    if (succ)
+                    if (_preAction == Models.DealWithLocalChanges.StashAndReaply)
                     {
-                        SetProgressDescription("Stash local changes...");
-                        succ = new Commands.Stash(_repo.FullPath).Push("PULL_AUTO_STASH");
-                    }
+                        SetProgressDescription("Adding untracked changes...");
+                        var succ = new Commands.Add(_repo.FullPath).Exec();
+                        if (succ)
+                        {
+                            SetProgressDescription("Stash local changes...");
+                            succ = new Commands.Stash(_repo.FullPath).Push("PULL_AUTO_STASH");
+                        }
 
-                    if (!succ)
+                        if (!succ)
+                        {
+                            CallUIThread(() => _repo.SetWatcherEnabled(true));
+                            return false;
+                        }
+
+                        needPopStash = true;
+                    } 
+                    else if (_preAction == Models.DealWithLocalChanges.Discard)
                     {
-                        CallUIThread(() => _repo.SetWatcherEnabled(true));
-                        return false;
+                        SetProgressDescription("Discard local changes ...");
+                        Commands.Discard.All(_repo.FullPath);
                     }
-
-                    needPopStash = true;
                 }
 
                 SetProgressDescription($"Pull {_selectedRemote.Name}/{_selectedBranch.Name}...");
@@ -154,5 +162,6 @@ namespace SourceGit.ViewModels
         private Models.Remote _selectedRemote = null;
         private List<Models.Branch> _remoteBranches = null;
         private Models.Branch _selectedBranch = null;
+        private Models.DealWithLocalChanges _preAction = Models.DealWithLocalChanges.StashAndReaply;
     }
 }

src/ViewModels/Repository.cs

@@ -158,13 +158,6 @@ namespace SourceGit.ViewModels
             get => _stashesPage == null ? 0 : _stashesPage.Count;
         }
 
-        [JsonIgnore]
-        public bool CanCommitWithPush
-        {
-            get => _canCommitWithPush;
-            private set => SetProperty(ref _canCommitWithPush, value);
-        }
-
         [JsonIgnore]
         public bool IncludeUntracked
         {
@@ -172,9 +165,7 @@ namespace SourceGit.ViewModels
             set
             {
                 if (SetProperty(ref _includeUntracked, value))
-                {
                     Task.Run(RefreshWorkingCopyChanges);
-                }
             }
         }
 
@@ -385,7 +376,11 @@ namespace SourceGit.ViewModels
             }
 
             if (Branches.Find(x => x.IsCurrent) == null)
+            {
                 App.RaiseException(_fullpath, "Can NOT found current branch!!!");
+                return;
+            }
+
             PopupHost.ShowPopup(new Push(this, null));
         }
 
@@ -563,8 +558,11 @@ namespace SourceGit.ViewModels
                 LocalBranchTrees = builder.Locals;
                 RemoteBranchTrees = builder.Remotes;
 
-                var cur = Branches.Find(x => x.IsCurrent);
-                CanCommitWithPush = cur != null && !string.IsNullOrEmpty(cur.Upstream);
+                if (_workingCopy != null)
+                {
+                    var cur = Branches.Find(x => x.IsCurrent);
+                    _workingCopy.CanCommitWithPush = cur != null && !string.IsNullOrEmpty(cur.Upstream);
+                }
             });
         }
 
@@ -711,15 +709,33 @@ namespace SourceGit.ViewModels
                 PopupHost.ShowPopup(new CreateBranch(this, current));
         }
 
-        public void CheckoutLocalBranch(string branch)
+        public void CheckoutBranch(Models.Branch branch)
         {
             if (!PopupHost.CanCreatePopup())
                 return;
 
-            if (WorkingCopyChangesCount > 0)
-                PopupHost.ShowPopup(new Checkout(this, branch));
+            if (branch.IsLocal)
+            {
+                if (WorkingCopyChangesCount > 0)
+                    PopupHost.ShowPopup(new Checkout(this, branch.Name));
+                else
+                    PopupHost.ShowAndStartPopup(new Checkout(this, branch.Name));
+            }
             else
-                PopupHost.ShowAndStartPopup(new Checkout(this, branch));
+            {
+                foreach (var b in Branches)
+                {
+                    if (b.IsLocal && b.Upstream == branch.FullName)
+                    {
+                        if (!b.IsCurrent)
+                            CheckoutBranch(b);
+
+                        return;
+                    }
+                }
+
+                PopupHost.ShowPopup(new CreateBranch(this, branch));
+            }
         }
 
         public void DeleteMultipleBranches(List<Models.Branch> branches, bool isLocal)
@@ -880,7 +896,7 @@ namespace SourceGit.ViewModels
                 checkout.Icon = App.CreateMenuIcon("Icons.Check");
                 checkout.Click += (o, e) =>
                 {
-                    CheckoutLocalBranch(branch.Name);
+                    CheckoutBranch(branch);
                     e.Handled = true;
                 };
                 menu.Items.Add(checkout);
@@ -928,6 +944,46 @@ namespace SourceGit.ViewModels
 
                 menu.Items.Add(merge);
                 menu.Items.Add(rebase);
+
+                var compare = new MenuItem();
+                compare.Header = App.Text("BranchCM.CompareWithHead");
+                compare.Icon = App.CreateMenuIcon("Icons.Compare");
+                compare.Click += (o, e) =>
+                {
+                    SearchResultSelectedCommit = null;
+
+                    if (_histories != null)
+                    {
+                        var target = new Commands.QuerySingleCommit(FullPath, branch.Head).Result();
+                        var head = new Commands.QuerySingleCommit(FullPath, current.Head).Result();
+                        _histories.AutoSelectedCommit = null;
+                        _histories.DetailContext = new RevisionCompare(FullPath, target, head);
+                    }
+
+                    e.Handled = true;
+                };
+
+                if (WorkingCopyChangesCount > 0)
+                {
+                    var compareWithWorktree = new MenuItem();
+                    compareWithWorktree.Header = App.Text("BranchCM.CompareWithWorktree");
+                    compareWithWorktree.Icon = App.CreateMenuIcon("Icons.Compare");
+                    compareWithWorktree.Click += (o, e) =>
+                    {
+                        SearchResultSelectedCommit = null;
+
+                        if (_histories != null)
+                        {
+                            var target = new Commands.QuerySingleCommit(FullPath, branch.Head).Result();
+                            _histories.AutoSelectedCommit = null;
+                            _histories.DetailContext = new RevisionCompare(FullPath, target, null);
+                        }
+                    };
+                    menu.Items.Add(compareWithWorktree);
+                }
+
+                menu.Items.Add(new MenuItem() { Header = "-" });
+                menu.Items.Add(compare);
             }
 
             var type = GitFlow.GetBranchType(branch.Name);
@@ -1142,20 +1198,7 @@ namespace SourceGit.ViewModels
             checkout.Icon = App.CreateMenuIcon("Icons.Check");
             checkout.Click += (o, e) =>
             {
-                foreach (var b in Branches)
-                {
-                    if (b.IsLocal && b.Upstream == branch.FullName)
-                    {
-                        if (b.IsCurrent)
-                            return;
-                        if (PopupHost.CanCreatePopup())
-                            PopupHost.ShowAndStartPopup(new Checkout(this, b.Name));
-                        return;
-                    }
-                }
-
-                if (PopupHost.CanCreatePopup())
-                    PopupHost.ShowPopup(new CreateBranch(this, branch));
+                CheckoutBranch(branch);
                 e.Handled = true;
             };
             menu.Items.Add(checkout);
@@ -1197,6 +1240,49 @@ namespace SourceGit.ViewModels
                 menu.Items.Add(merge);
                 menu.Items.Add(rebase);
                 menu.Items.Add(new MenuItem() { Header = "-" });
+
+                if (current.Head != branch.Head)
+                {
+                    var compare = new MenuItem();
+                    compare.Header = App.Text("BranchCM.CompareWithHead");
+                    compare.Icon = App.CreateMenuIcon("Icons.Compare");
+                    compare.Click += (o, e) =>
+                    {
+                        SearchResultSelectedCommit = null;
+
+                        if (_histories != null)
+                        {
+                            var target = new Commands.QuerySingleCommit(FullPath, branch.Head).Result();
+                            var head = new Commands.QuerySingleCommit(FullPath, current.Head).Result();
+                            _histories.AutoSelectedCommit = null;
+                            _histories.DetailContext = new RevisionCompare(FullPath, target, head);
+                        }
+
+                        e.Handled = true;
+                    };
+                    menu.Items.Add(compare);
+
+                    if (WorkingCopyChangesCount > 0)
+                    {
+                        var compareWithWorktree = new MenuItem();
+                        compareWithWorktree.Header = App.Text("BranchCM.CompareWithWorktree");
+                        compareWithWorktree.Icon = App.CreateMenuIcon("Icons.Compare");
+                        compareWithWorktree.Click += (o, e) =>
+                        {
+                            SearchResultSelectedCommit = null;
+
+                            if (_histories != null)
+                            {
+                                var target = new Commands.QuerySingleCommit(FullPath, branch.Head).Result();
+                                _histories.AutoSelectedCommit = null;
+                                _histories.DetailContext = new RevisionCompare(FullPath, target, null);
+                            }
+                        };
+                        menu.Items.Add(compareWithWorktree);
+                    }
+
+                    menu.Items.Add(new MenuItem() { Header = "-" });
+                }
             }
 
             var delete = new MenuItem();
@@ -1428,7 +1514,6 @@ namespace SourceGit.ViewModels
         private List<BranchTreeNode> _remoteBranchTrees = new List<BranchTreeNode>();
         private List<Models.Tag> _tags = new List<Models.Tag>();
         private List<string> _submodules = new List<string>();
-        private bool _canCommitWithPush = false;
         private bool _includeUntracked = true;
 
         private InProgressContext _inProgressContext = null;

src/ViewModels/RepositoryConfigure.cs

@@ -17,7 +17,19 @@ namespace SourceGit.ViewModels
             set;
         }
 
-        public bool GPGSigningEnabled
+        public Models.GPGFormat GPGFormat
+        {
+            get;
+            set;
+        }
+
+        public bool GPGCommitSigningEnabled
+        {
+            get;
+            set;
+        }
+
+        public bool GPGTagSigningEnabled
         {
             get;
             set;
@@ -44,8 +56,14 @@ namespace SourceGit.ViewModels
                 UserName = name;
             if (_cached.TryGetValue("user.email", out var email))
                 UserEmail = email;
-            if (_cached.TryGetValue("commit.gpgsign", out var gpgsign))
-                GPGSigningEnabled = gpgsign == "true";
+            if (_cached.TryGetValue("commit.gpgsign", out var gpgCommitSign))
+                GPGCommitSigningEnabled = gpgCommitSign == "true";
+            if (_cached.TryGetValue("tag.gpgSign", out var gpgTagSign))
+                GPGTagSigningEnabled = gpgTagSign == "true";
+            if (_cached.TryGetValue("gpg.format", out var gpgFormat))
+                GPGFormat = Models.GPGFormat.Supported.Find(x => x.Value == gpgFormat);
+            else
+                GPGFormat = Models.GPGFormat.OPENPGP;
             if (_cached.TryGetValue("user.signingkey", out var signingKey))
                 GPGUserSigningKey = signingKey;
             if (_cached.TryGetValue("http.proxy", out var proxy))
@@ -58,20 +76,22 @@ namespace SourceGit.ViewModels
         {
             SetIfChanged("user.name", UserName);
             SetIfChanged("user.email", UserEmail);
-            SetIfChanged("commit.gpgsign", GPGSigningEnabled ? "true" : "false");
+            SetIfChanged("commit.gpgsign", GPGCommitSigningEnabled ? "true" : "false");
+            SetIfChanged("tag.gpgSign", GPGTagSigningEnabled ? "true" : "false");
+            SetIfChanged("gpg.format", GPGFormat?.Value, Models.GPGFormat.OPENPGP.Value);
             SetIfChanged("user.signingkey", GPGUserSigningKey);
             SetIfChanged("http.proxy", HttpProxy);
             return null;
         }
 
-        private void SetIfChanged(string key, string value)
+        private void SetIfChanged(string key, string value, string defaultValue = null)
         {
             bool changed = false;
             if (_cached.TryGetValue(key, out var old))
             {
                 changed = old != value;
             }
-            else if (!string.IsNullOrEmpty(value))
+            else if (!string.IsNullOrEmpty(value) && value != defaultValue)
             {
                 changed = true;
             }

src/ViewModels/RevisionCompare.cs

@@ -10,6 +10,11 @@ using CommunityToolkit.Mvvm.ComponentModel;
 
 namespace SourceGit.ViewModels
 {
+    public class CompareTargetWorktree
+    {
+        public string SHA => string.Empty;
+    }
+
     public class RevisionCompare : ObservableObject
     {
         public Models.Commit StartPoint
@@ -18,7 +23,7 @@ namespace SourceGit.ViewModels
             private set;
         }
 
-        public Models.Commit EndPoint
+        public object EndPoint
         {
             get;
             private set;
@@ -30,48 +35,17 @@ namespace SourceGit.ViewModels
             private set => SetProperty(ref _visibleChanges, value);
         }
 
-        public List<FileTreeNode> ChangeTree
+        public List<Models.Change> SelectedChanges
         {
-            get => _changeTree;
-            private set => SetProperty(ref _changeTree, value);
-        }
-
-        public Models.Change SelectedChange
-        {
-            get => _selectedChange;
+            get => _selectedChanges;
             set
             {
-                if (SetProperty(ref _selectedChange, value))
+                if (SetProperty(ref _selectedChanges, value))
                 {
-                    if (value == null)
-                    {
-                        SelectedNode = null;
+                    if (value != null && value.Count == 1)
+                        DiffContext = new DiffContext(_repo, new Models.DiffOption(StartPoint.SHA, _endPoint, value[0]), _diffContext);
+                    else
                         DiffContext = null;
-                    }
-                    else
-                    {
-                        SelectedNode = FileTreeNode.SelectByPath(_changeTree, value.Path);
-                        DiffContext = new DiffContext(_repo, new Models.DiffOption(StartPoint.SHA, EndPoint.SHA, value), _diffContext);
-                    }
-                }
-            }
-        }
-
-        public FileTreeNode SelectedNode
-        {
-            get => _selectedNode;
-            set
-            {
-                if (SetProperty(ref _selectedNode, value))
-                {
-                    if (value == null)
-                    {
-                        SelectedChange = null;
-                    }
-                    else
-                    {
-                        SelectedChange = value.Backend as Models.Change;
-                    }
                 }
             }
         }
@@ -98,11 +72,21 @@ namespace SourceGit.ViewModels
         {
             _repo = repo;
             StartPoint = startPoint;
-            EndPoint = endPoint;
+
+            if (endPoint == null)
+            {
+                EndPoint = new CompareTargetWorktree();
+                _endPoint = string.Empty;
+            }
+            else
+            {
+                EndPoint = endPoint;
+                _endPoint = endPoint.SHA;
+            }
 
             Task.Run(() =>
             {
-                _changes = new Commands.CompareRevisions(_repo, startPoint.SHA, endPoint.SHA).Result();
+                _changes = new Commands.CompareRevisions(_repo, startPoint.SHA, _endPoint).Result();
 
                 var visible = _changes;
                 if (!string.IsNullOrWhiteSpace(_searchFilter))
@@ -111,18 +95,11 @@ namespace SourceGit.ViewModels
                     foreach (var c in _changes)
                     {
                         if (c.Path.Contains(_searchFilter, StringComparison.OrdinalIgnoreCase))
-                        {
                             visible.Add(c);
-                        }
                     }
                 }
 
-                var tree = FileTreeNode.Build(visible);
-                Dispatcher.UIThread.Invoke(() =>
-                {
-                    VisibleChanges = visible;
-                    ChangeTree = tree;
-                });
+                Dispatcher.UIThread.Invoke(() => VisibleChanges = visible);
             });
         }
 
@@ -133,10 +110,8 @@ namespace SourceGit.ViewModels
                 _changes.Clear();
             if (_visibleChanges != null)
                 _visibleChanges.Clear();
-            if (_changeTree != null)
-                _changeTree.Clear();
-            _selectedChange = null;
-            _selectedNode = null;
+            if (_selectedChanges != null)
+                _selectedChanges.Clear();
             _searchFilter = null;
             _diffContext = null;
         }
@@ -153,8 +128,12 @@ namespace SourceGit.ViewModels
             SearchFilter = string.Empty;
         }
 
-        public ContextMenu CreateChangeContextMenu(Models.Change change)
+        public ContextMenu CreateChangeContextMenu()
         {
+            if (_selectedChanges == null || _selectedChanges.Count != 1)
+                return null;
+
+            var change = _selectedChanges[0];
             var menu = new ContextMenu();
 
             var diffWithMerger = new MenuItem();
@@ -162,7 +141,7 @@ namespace SourceGit.ViewModels
             diffWithMerger.Icon = App.CreateMenuIcon("Icons.Diff");
             diffWithMerger.Click += (_, ev) =>
             {
-                var opt = new Models.DiffOption(StartPoint.SHA, EndPoint.SHA, change);
+                var opt = new Models.DiffOption(StartPoint.SHA, _endPoint, change);
                 var type = Preference.Instance.ExternalMergeToolType;
                 var exec = Preference.Instance.ExternalMergeToolPath;
 
@@ -202,8 +181,18 @@ namespace SourceGit.ViewModels
                 App.CopyText(change.Path);
                 ev.Handled = true;
             };
-
             menu.Items.Add(copyPath);
+
+            var copyFileName = new MenuItem();
+            copyFileName.Header = App.Text("CopyFileName");
+            copyFileName.Icon = App.CreateMenuIcon("Icons.Copy");
+            copyFileName.Click += (_, e) =>
+            {
+                App.CopyText(Path.GetFileName(change.Path));
+                e.Handled = true;
+            };
+            menu.Items.Add(copyFileName);
+            
             return menu;
         }
 
@@ -222,23 +211,18 @@ namespace SourceGit.ViewModels
                 foreach (var c in _changes)
                 {
                     if (c.Path.Contains(_searchFilter, StringComparison.OrdinalIgnoreCase))
-                    {
                         visible.Add(c);
-                    }
                 }
 
                 VisibleChanges = visible;
             }
-
-            ChangeTree = FileTreeNode.Build(_visibleChanges);
         }
 
         private string _repo = string.Empty;
+        private string _endPoint = string.Empty;
         private List<Models.Change> _changes = null;
         private List<Models.Change> _visibleChanges = null;
-        private List<FileTreeNode> _changeTree = null;
-        private Models.Change _selectedChange = null;
-        private FileTreeNode _selectedNode = null;
+        private List<Models.Change> _selectedChanges = null;
         private string _searchFilter = string.Empty;
         private DiffContext _diffContext = null;
     }

src/ViewModels/StashesPage.cs

@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
-
+using Avalonia.Controls;
 using Avalonia.Threading;
 
 using CommunityToolkit.Mvvm.ComponentModel;
@@ -106,34 +106,42 @@ namespace SourceGit.ViewModels
             _diffContext = null;
         }
 
-        public void Apply(object param)
+        public ContextMenu MakeContextMenu(Models.Stash stash)
         {
-            if (param is Models.Stash stash)
-            {
-                Task.Run(() =>
-                {
-                    new Commands.Stash(_repo.FullPath).Apply(stash.Name);
-                });
-            }
-        }
+            if (stash == null)
+                return null;
 
-        public void Pop(object param)
-        {
-            if (param is Models.Stash stash)
+            var apply = new MenuItem();
+            apply.Header = App.Text("StashCM.Apply");
+            apply.Click += (o, ev) =>
             {
-                Task.Run(() =>
-                {
-                    new Commands.Stash(_repo.FullPath).Pop(stash.Name);
-                });
-            }
-        }
+                Task.Run(() => new Commands.Stash(_repo.FullPath).Apply(stash.Name));
+                ev.Handled = true;
+            };
 
-        public void Drop(object param)
-        {
-            if (param is Models.Stash stash && PopupHost.CanCreatePopup())
+            var pop = new MenuItem();
+            pop.Header = App.Text("StashCM.Pop");
+            pop.Click += (o, ev) =>
             {
-                PopupHost.ShowPopup(new DropStash(_repo.FullPath, stash));
-            }
+                Task.Run(() => new Commands.Stash(_repo.FullPath).Pop(stash.Name));
+                ev.Handled = true;
+            };
+
+            var drop = new MenuItem();
+            drop.Header = App.Text("StashCM.Drop");
+            drop.Click += (o, ev) =>
+            {
+                if (PopupHost.CanCreatePopup())
+                    PopupHost.ShowPopup(new DropStash(_repo.FullPath, stash));
+
+                ev.Handled = true;
+            };
+
+            var menu = new ContextMenu();
+            menu.Items.Add(apply);
+            menu.Items.Add(pop);
+            menu.Items.Add(drop);
+            return menu;
         }
 
         public void Clear()

src/ViewModels/Welcome.cs

@@ -2,6 +2,7 @@
 
 using Avalonia.Collections;
 using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
 
 using CommunityToolkit.Mvvm.ComponentModel;
 
@@ -40,20 +41,21 @@ namespace SourceGit.ViewModels
             }
         }
 
-        public void Clone(object param)
+        public void Clone()
         {
-            var launcher = param as Launcher;
-            var page = launcher.ActivePage;
-
             if (!Preference.Instance.IsGitConfigured)
             {
-                App.RaiseException(page.GetId(), App.Text("NotConfigured"));
+                App.RaiseException(string.Empty, App.Text("NotConfigured"));
                 return;
             }
 
             if (PopupHost.CanCreatePopup())
             {
-                PopupHost.ShowPopup(new Clone(launcher, page));
+                if (App.Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+                {
+                    var launcher = desktop.MainWindow.DataContext as Launcher;
+                    PopupHost.ShowPopup(new Clone(launcher));
+                }
             }
         }
 

src/ViewModels/WorkingCopy.cs

@@ -37,6 +37,29 @@ namespace SourceGit.ViewModels
 
     public class WorkingCopy : ObservableObject
     {
+        public bool IncludeUntracked
+        {
+            get => _repo.IncludeUntracked;
+            set
+            {
+                if (_repo.IncludeUntracked != value)
+                {
+                    _repo.IncludeUntracked = value;
+                    OnPropertyChanged(nameof(IncludeUntracked));
+                }
+            }
+        }
+
+        public bool CanCommitWithPush
+        {
+            get => _canCommitWithPush;
+            set
+            {
+                if (SetProperty(ref _canCommitWithPush, value))
+                    OnPropertyChanged(nameof(IsCommitWithPushVisible));
+            }
+        }
+
         public bool IsStaging
         {
             get => _isStaging;
@@ -58,7 +81,30 @@ namespace SourceGit.ViewModels
         public bool UseAmend
         {
             get => _useAmend;
-            set => SetProperty(ref _useAmend, value);
+            set
+            {
+                if (SetProperty(ref _useAmend, value) && value)
+                {
+                    var commits = new Commands.QueryCommits(_repo.FullPath, "-n 1", false).Result();
+                    if (commits.Count == 0)
+                    {
+                        App.RaiseException(_repo.FullPath, "No commits to amend!!!");
+                        _useAmend = false;
+                        OnPropertyChanged();
+                    }
+                    else
+                    {
+                        CommitMessage = commits[0].FullMessage;
+                    }
+                }
+
+                OnPropertyChanged(nameof(IsCommitWithPushVisible));
+            }
+        }
+
+        public bool IsCommitWithPushVisible
+        {
+            get => !UseAmend && CanCommitWithPush;
         }
 
         public List<Models.Change> Unstaged
@@ -73,103 +119,58 @@ namespace SourceGit.ViewModels
             private set => SetProperty(ref _staged, value);
         }
 
-        public int Count
+        public List<Models.Change> SelectedUnstaged
         {
-            get => _count;
-        }
-
-        public Models.Change SelectedUnstagedChange
-        {
-            get => _selectedUnstagedChange;
+            get => _selectedUnstaged;
             set
             {
-                if (SetProperty(ref _selectedUnstagedChange, value) && value != null)
+                if (SetProperty(ref _selectedUnstaged, value))
                 {
-                    SelectedStagedChange = null;
-                    SelectedStagedTreeNode = null;
-                    SetDetail(value, true);
-                }
-            }
-        }
-
-        public Models.Change SelectedStagedChange
-        {
-            get => _selectedStagedChange;
-            set
-            {
-                if (SetProperty(ref _selectedStagedChange, value) && value != null)
-                {
-                    SelectedUnstagedChange = null;
-                    SelectedUnstagedTreeNode = null;
-                    SetDetail(value, false);
-                }
-            }
-        }
-
-        public List<FileTreeNode> UnstagedTree
-        {
-            get => _unstagedTree;
-            private set => SetProperty(ref _unstagedTree, value);
-        }
-
-        public List<FileTreeNode> StagedTree
-        {
-            get => _stagedTree;
-            private set => SetProperty(ref _stagedTree, value);
-        }
-
-        public FileTreeNode SelectedUnstagedTreeNode
-        {
-            get => _selectedUnstagedTreeNode;
-            set
-            {
-                if (SetProperty(ref _selectedUnstagedTreeNode, value))
-                {
-                    if (value == null)
+                    if (value == null || value.Count == 0)
                     {
-                        SelectedUnstagedChange = null;
+                        if (_selectedStaged == null || _selectedStaged.Count == 0)
+                            SetDetail(null);
                     }
                     else
                     {
-                        SelectedUnstagedChange = value.Backend as Models.Change;
-                        SelectedStagedTreeNode = null;
-                        SelectedStagedChange = null;
+                        SelectedStaged = null;
 
-                        if (value.IsFolder)
-                        {
-                            SetDetail(null, true);
-                        }
+                        if (value.Count == 1)
+                            SetDetail(value[0]);
+                        else
+                            SetDetail(null);
                     }
                 }
             }
         }
 
-        public FileTreeNode SelectedStagedTreeNode
+        public List<Models.Change> SelectedStaged
         {
-            get => _selectedStagedTreeNode;
+            get => _selectedStaged;
             set
             {
-                if (SetProperty(ref _selectedStagedTreeNode, value))
+                if (SetProperty(ref _selectedStaged, value))
                 {
-                    if (value == null)
+                    if (value == null || value.Count == 0)
                     {
-                        SelectedStagedChange = null;
+                        if (_selectedUnstaged == null || _selectedUnstaged.Count == 0)
+                            SetDetail(null);
                     }
                     else
                     {
-                        SelectedStagedChange = value.Backend as Models.Change;
-                        SelectedUnstagedTreeNode = null;
-                        SelectedUnstagedChange = null;
+                        SelectedUnstaged = null;
 
-                        if (value.IsFolder)
-                        {
-                            SetDetail(null, false);
-                        }
+                        if (value.Count == 1)
+                            SetDetail(value[0]);
+                        else
+                            SetDetail(null);
                     }
                 }
             }
         }
 
+        public int Count => _count;
+
         public object DetailContext
         {
             get => _detailContext;
@@ -190,18 +191,31 @@ namespace SourceGit.ViewModels
         public void Cleanup()
         {
             _repo = null;
+
+            if (_selectedUnstaged != null)
+            {
+                _selectedUnstaged.Clear();
+                OnPropertyChanged(nameof(SelectedUnstaged));
+            }
+
+            if (_selectedStaged != null)
+            {
+                _selectedStaged.Clear();
+                OnPropertyChanged(nameof(SelectedStaged));
+            }
+
             if (_unstaged != null)
+            {
                 _unstaged.Clear();
+                OnPropertyChanged(nameof(Unstaged));
+            }
+
             if (_staged != null)
+            {
                 _staged.Clear();
-            if (_unstagedTree != null)
-                _unstagedTree.Clear();
-            if (_stagedTree != null)
-                _stagedTree.Clear();
-            _selectedUnstagedChange = null;
-            _selectedStagedChange = null;
-            _selectedUnstagedTreeNode = null;
-            _selectedStagedTreeNode = null;
+                OnPropertyChanged(nameof(Staged));
+            }
+
             _detailContext = null;
             _commitMessage = string.Empty;
         }
@@ -210,20 +224,22 @@ namespace SourceGit.ViewModels
         {
             var unstaged = new List<Models.Change>();
             var staged = new List<Models.Change>();
+            var selectedUnstaged = new List<Models.Change>();
+            var selectedStaged = new List<Models.Change>();
 
-            var viewFile = string.Empty;
-            var lastSelectedIsUnstaged = false;
-            if (_selectedUnstagedChange != null)
+            var lastSelectedUnstaged = new HashSet<string>();
+            var lastSelectedStaged = new HashSet<string>();
+            if (_selectedUnstaged != null)
             {
-                viewFile = _selectedUnstagedChange.Path;
-                lastSelectedIsUnstaged = true;
+                foreach (var c in _selectedUnstaged)
+                    lastSelectedUnstaged.Add(c.Path);
             }
-            else if (_selectedStagedChange != null)
+            else if (_selectedStaged != null)
             {
-                viewFile = _selectedStagedChange.Path;
+                foreach (var c in _selectedStaged)
+                    lastSelectedStaged.Add(c.Path);
             }
 
-            var viewChange = null as Models.Change;
             var hasConflict = false;
             foreach (var c in changes)
             {
@@ -233,65 +249,43 @@ namespace SourceGit.ViewModels
                     || c.Index == Models.ChangeState.Renamed)
                 {
                     staged.Add(c);
-                    if (!lastSelectedIsUnstaged && c.Path == viewFile)
-                    {
-                        viewChange = c;
-                    }
+
+                    if (lastSelectedStaged.Contains(c.Path))
+                        selectedStaged.Add(c);
                 }
 
                 if (c.WorkTree != Models.ChangeState.None)
                 {
                     unstaged.Add(c);
                     hasConflict |= c.IsConflit;
-                    if (lastSelectedIsUnstaged && c.Path == viewFile)
-                    {
-                        viewChange = c;
-                    }
+
+                    if (lastSelectedUnstaged.Contains(c.Path))
+                        selectedUnstaged.Add(c);
                 }
             }
 
             _count = changes.Count;
 
-            var unstagedTree = FileTreeNode.Build(unstaged);
-            var stagedTree = FileTreeNode.Build(staged);
             Dispatcher.UIThread.Invoke(() =>
             {
                 _isLoadingData = true;
                 Unstaged = unstaged;
                 Staged = staged;
-                UnstagedTree = unstagedTree;
-                StagedTree = stagedTree;
                 _isLoadingData = false;
 
-                // Restore last selection states.
-                if (viewChange != null)
-                {
-                    var scrollOffset = Vector.Zero;
-                    if (_detailContext is DiffContext old)
-                        scrollOffset = old.SyncScrollOffset;
+                var scrollOffset = Vector.Zero;
+                if (_detailContext is DiffContext old)
+                    scrollOffset = old.SyncScrollOffset;
 
-                    if (lastSelectedIsUnstaged)
-                    {
-                        SelectedUnstagedChange = viewChange;
-                        SelectedUnstagedTreeNode = FileTreeNode.SelectByPath(_unstagedTree, viewFile);
-                    }
-                    else
-                    {
-                        SelectedStagedChange = viewChange;
-                        SelectedStagedTreeNode = FileTreeNode.SelectByPath(_stagedTree, viewFile);
-                    }
-
-                    if (_detailContext is DiffContext cur)
-                        cur.SyncScrollOffset = scrollOffset;
-                }
+                if (selectedUnstaged.Count > 0)
+                    SelectedUnstaged = selectedUnstaged;
+                else if (selectedStaged.Count > 0)
+                    SelectedStaged = selectedStaged;
                 else
-                {
-                    SelectedUnstagedChange = null;
-                    SelectedUnstagedTreeNode = null;
-                    SelectedStagedChange = null;
-                    SelectedStagedTreeNode = null;
-                    SetDetail(null, false);
-                }
+                    SetDetail(null);
+
+                if (_detailContext is DiffContext cur)
+                    cur.SyncScrollOffset = scrollOffset;
 
                 // Try to load merge message from MERGE_MSG
                 if (string.IsNullOrEmpty(_commitMessage))
@@ -305,30 +299,24 @@ namespace SourceGit.ViewModels
             return hasConflict;
         }
 
-        public void SetDetail(Models.Change change, bool isUnstaged)
+        public void OpenAssumeUnchanged()
         {
-            if (_isLoadingData)
-                return;
+            var dialog = new Views.AssumeUnchangedManager()
+            {
+                DataContext = new AssumeUnchangedManager(_repo.FullPath)
+            };
 
-            if (change == null)
-            {
-                DetailContext = null;
-            }
-            else if (change.IsConflit && isUnstaged)
-            {
-                DetailContext = new ConflictContext(_repo.FullPath, change);
-            }
-            else
-            {
-                if (_detailContext is DiffContext previous)
-                {
-                    DetailContext = new DiffContext(_repo.FullPath, new Models.DiffOption(change, isUnstaged), previous);
-                }
-                else
-                {
-                    DetailContext = new DiffContext(_repo.FullPath, new Models.DiffOption(change, isUnstaged));
-                }
-            }
+            dialog.ShowDialog(App.GetTopLevel() as Window);
+        }
+
+        public void StageSelected()
+        {
+            StageChanges(_selectedUnstaged);
+        }
+
+        public void StageAll()
+        {
+            StageChanges(_unstaged);
         }
 
         public async void StageChanges(List<Models.Change> changes)
@@ -336,7 +324,7 @@ namespace SourceGit.ViewModels
             if (_unstaged.Count == 0 || changes.Count == 0)
                 return;
 
-            SetDetail(null, true);
+            SetDetail(null);
             IsStaging = true;
             _repo.SetWatcherEnabled(false);
             if (changes.Count == _unstaged.Count)
@@ -357,12 +345,22 @@ namespace SourceGit.ViewModels
             IsStaging = false;
         }
 
+        public void UnstageSelected()
+        {
+            UnstageChanges(_selectedStaged);
+        }
+
+        public void UnstageAll()
+        {
+            UnstageChanges(_staged);
+        }
+
         public async void UnstageChanges(List<Models.Change> changes)
         {
             if (_staged.Count == 0 || changes.Count == 0)
                 return;
 
-            SetDetail(null, false);
+            SetDetail(null);
             IsUnstaging = true;
             _repo.SetWatcherEnabled(false);
             if (changes.Count == _staged.Count)
@@ -412,113 +410,25 @@ namespace SourceGit.ViewModels
             }
         }
 
-        public async void UseTheirs(List<Models.Change> changes)
+        public void Commit()
         {
-            var files = new List<string>();
-            foreach (var change in changes)
-            {
-                if (change.IsConflit)
-                    files.Add(change.Path);
-            }
-
-            _repo.SetWatcherEnabled(false);
-            var succ = await Task.Run(() => new Commands.Checkout(_repo.FullPath).UseTheirs(files));
-            if (succ)
-            {
-                await Task.Run(() => new Commands.Add(_repo.FullPath, changes).Exec());
-            }
-            _repo.MarkWorkingCopyDirtyManually();
-            _repo.SetWatcherEnabled(true);
+            DoCommit(false);
         }
 
-        public async void UseMine(List<Models.Change> changes)
+        public void CommitWithPush()
         {
-            var files = new List<string>();
-            foreach (var change in changes)
-            {
-                if (change.IsConflit)
-                    files.Add(change.Path);
-            }
-
-            _repo.SetWatcherEnabled(false);
-            var succ = await Task.Run(() => new Commands.Checkout(_repo.FullPath).UseMine(files));
-            if (succ)
-            {
-                await Task.Run(() => new Commands.Add(_repo.FullPath, changes).Exec());
-            }
-            _repo.MarkWorkingCopyDirtyManually();
-            _repo.SetWatcherEnabled(true);
+            DoCommit(true);
         }
 
-        public async void UseExternalMergeTool(Models.Change change)
+        public ContextMenu CreateContextMenuForUnstagedChanges()
         {
-            var type = Preference.Instance.ExternalMergeToolType;
-            var exec = Preference.Instance.ExternalMergeToolPath;
-
-            var tool = Models.ExternalMerger.Supported.Find(x => x.Type == type);
-            if (tool == null)
-            {
-                App.RaiseException(_repo.FullPath, "Invalid merge tool in preference setting!");
-                return;
-            }
-
-            var args = tool.Type != 0 ? tool.Cmd : Preference.Instance.ExternalMergeToolCmd;
-
-            _repo.SetWatcherEnabled(false);
-            await Task.Run(() => Commands.MergeTool.OpenForMerge(_repo.FullPath, exec, args, change.Path));
-            _repo.SetWatcherEnabled(true);
-        }
-
-        public async void DoCommit(bool autoPush)
-        {
-            if (!PopupHost.CanCreatePopup())
-            {
-                App.RaiseException(_repo.FullPath, "Repository has unfinished job! Please wait!");
-                return;
-            }
-
-            if (_staged.Count == 0)
-            {
-                App.RaiseException(_repo.FullPath, "No files added to commit!");
-                return;
-            }
-
-            if (string.IsNullOrWhiteSpace(_commitMessage))
-            {
-                App.RaiseException(_repo.FullPath, "Commit without message is NOT allowed!");
-                return;
-            }
-
-            PushCommitMessage();
-
-            SetDetail(null, false);
-            IsCommitting = true;
-            _repo.SetWatcherEnabled(false);
-            var succ = await Task.Run(() => new Commands.Commit(_repo.FullPath, _commitMessage, _useAmend).Exec());
-            if (succ)
-            {
-                CommitMessage = string.Empty;
-                UseAmend = false;
-
-                if (autoPush)
-                {
-                    PopupHost.ShowAndStartPopup(new Push(_repo, null));
-                }
-            }
-            _repo.MarkWorkingCopyDirtyManually();
-            _repo.SetWatcherEnabled(true);
-            IsCommitting = false;
-        }
-
-        public ContextMenu CreateContextMenuForUnstagedChanges(List<Models.Change> changes)
-        {
-            if (changes.Count == 0)
+            if (_selectedUnstaged.Count == 0)
                 return null;
 
             var menu = new ContextMenu();
-            if (changes.Count == 1)
+            if (_selectedUnstaged.Count == 1)
             {
-                var change = changes[0];
+                var change = _selectedUnstaged[0];
                 var path = Path.GetFullPath(Path.Combine(_repo.FullPath, change.Path));
 
                 var explore = new MenuItem();
@@ -551,7 +461,7 @@ namespace SourceGit.ViewModels
                     useTheirs.Header = App.Text("FileCM.UseTheirs");
                     useTheirs.Click += (_, e) =>
                     {
-                        UseTheirs(changes);
+                        UseTheirs(_selectedUnstaged);
                         e.Handled = true;
                     };
 
@@ -560,7 +470,7 @@ namespace SourceGit.ViewModels
                     useMine.Header = App.Text("FileCM.UseMine");
                     useMine.Click += (_, e) =>
                     {
-                        UseMine(changes);
+                        UseMine(_selectedUnstaged);
                         e.Handled = true;
                     };
 
@@ -585,7 +495,7 @@ namespace SourceGit.ViewModels
                     stage.Icon = App.CreateMenuIcon("Icons.File.Add");
                     stage.Click += (_, e) =>
                     {
-                        StageChanges(changes);
+                        StageChanges(_selectedUnstaged);
                         e.Handled = true;
                     };
 
@@ -594,7 +504,7 @@ namespace SourceGit.ViewModels
                     discard.Icon = App.CreateMenuIcon("Icons.Undo");
                     discard.Click += (_, e) =>
                     {
-                        Discard(changes, true);
+                        Discard(_selectedUnstaged, true);
                         e.Handled = true;
                     };
 
@@ -605,7 +515,7 @@ namespace SourceGit.ViewModels
                     {
                         if (PopupHost.CanCreatePopup())
                         {
-                            PopupHost.ShowPopup(new StashChanges(_repo, changes, false));
+                            PopupHost.ShowPopup(new StashChanges(_repo, _selectedUnstaged, false));
                         }
                         e.Handled = true;
                     };
@@ -627,7 +537,7 @@ namespace SourceGit.ViewModels
                         var storageFile = await topLevel.StorageProvider.SaveFilePickerAsync(options);
                         if (storageFile != null)
                         {
-                            var succ = await Task.Run(() => Commands.SaveChangesAsPatch.Exec(_repo.FullPath, changes, true, storageFile.Path.LocalPath));
+                            var succ = await Task.Run(() => Commands.SaveChangesAsPatch.Exec(_repo.FullPath, _selectedUnstaged, true, storageFile.Path.LocalPath));
                             if (succ)
                                 App.SendNotification(_repo.FullPath, App.Text("SaveAsPatchSuccess"));
                         }
@@ -674,12 +584,22 @@ namespace SourceGit.ViewModels
                     e.Handled = true;
                 };
                 menu.Items.Add(copy);
+
+                var copyFileName = new MenuItem();
+                copyFileName.Header = App.Text("CopyFileName");
+                copyFileName.Icon = App.CreateMenuIcon("Icons.Copy");
+                copyFileName.Click += (_, e) =>
+                {
+                    App.CopyText(Path.GetFileName(change.Path));
+                    e.Handled = true;
+                };
+                menu.Items.Add(copyFileName);
             }
             else
             {
                 var hasConflicts = false;
                 var hasNoneConflicts = false;
-                foreach (var change in changes)
+                foreach (var change in _selectedUnstaged)
                 {
                     if (change.IsConflit)
                     {
@@ -704,7 +624,7 @@ namespace SourceGit.ViewModels
                     useTheirs.Header = App.Text("FileCM.UseTheirs");
                     useTheirs.Click += (_, e) =>
                     {
-                        UseTheirs(changes);
+                        UseTheirs(_selectedUnstaged);
                         e.Handled = true;
                     };
 
@@ -713,7 +633,7 @@ namespace SourceGit.ViewModels
                     useMine.Header = App.Text("FileCM.UseMine");
                     useMine.Click += (_, e) =>
                     {
-                        UseMine(changes);
+                        UseMine(_selectedUnstaged);
                         e.Handled = true;
                     };
 
@@ -723,31 +643,31 @@ namespace SourceGit.ViewModels
                 }
 
                 var stage = new MenuItem();
-                stage.Header = App.Text("FileCM.StageMulti", changes.Count);
+                stage.Header = App.Text("FileCM.StageMulti", _selectedUnstaged.Count);
                 stage.Icon = App.CreateMenuIcon("Icons.File.Add");
                 stage.Click += (_, e) =>
                 {
-                    StageChanges(changes);
+                    StageChanges(_selectedUnstaged);
                     e.Handled = true;
                 };
 
                 var discard = new MenuItem();
-                discard.Header = App.Text("FileCM.DiscardMulti", changes.Count);
+                discard.Header = App.Text("FileCM.DiscardMulti", _selectedUnstaged.Count);
                 discard.Icon = App.CreateMenuIcon("Icons.Undo");
                 discard.Click += (_, e) =>
                 {
-                    Discard(changes, true);
+                    Discard(_selectedUnstaged, true);
                     e.Handled = true;
                 };
 
                 var stash = new MenuItem();
-                stash.Header = App.Text("FileCM.StashMulti", changes.Count);
+                stash.Header = App.Text("FileCM.StashMulti", _selectedUnstaged.Count);
                 stash.Icon = App.CreateMenuIcon("Icons.Stashes");
                 stash.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                     {
-                        PopupHost.ShowPopup(new StashChanges(_repo, changes, false));
+                        PopupHost.ShowPopup(new StashChanges(_repo, _selectedUnstaged, false));
                     }
                     e.Handled = true;
                 };
@@ -769,7 +689,7 @@ namespace SourceGit.ViewModels
                     var storageFile = await topLevel.StorageProvider.SaveFilePickerAsync(options);
                     if (storageFile != null)
                     {
-                        var succ = await Task.Run(() => Commands.SaveChangesAsPatch.Exec(_repo.FullPath, changes, true, storageFile.Path.LocalPath));
+                        var succ = await Task.Run(() => Commands.SaveChangesAsPatch.Exec(_repo.FullPath, _selectedUnstaged, true, storageFile.Path.LocalPath));
                         if (succ)
                             App.SendNotification(_repo.FullPath, App.Text("SaveAsPatchSuccess"));
                     }
@@ -786,15 +706,15 @@ namespace SourceGit.ViewModels
             return menu;
         }
 
-        public ContextMenu CreateContextMenuForStagedChanges(List<Models.Change> changes)
+        public ContextMenu CreateContextMenuForStagedChanges()
         {
-            if (changes.Count == 0)
+            if (_selectedStaged.Count == 0)
                 return null;
 
             var menu = new ContextMenu();
-            if (changes.Count == 1)
+            if (_selectedStaged.Count == 1)
             {
-                var change = changes[0];
+                var change = _selectedStaged[0];
                 var path = Path.GetFullPath(Path.Combine(_repo.FullPath, change.Path));
 
                 var explore = new MenuItem();
@@ -822,7 +742,7 @@ namespace SourceGit.ViewModels
                 unstage.Icon = App.CreateMenuIcon("Icons.File.Remove");
                 unstage.Click += (o, e) =>
                 {
-                    UnstageChanges(changes);
+                    UnstageChanges(_selectedStaged);
                     e.Handled = true;
                 };
 
@@ -831,7 +751,7 @@ namespace SourceGit.ViewModels
                 discard.Icon = App.CreateMenuIcon("Icons.Undo");
                 discard.Click += (_, e) =>
                 {
-                    Discard(changes, false);
+                    Discard(_selectedStaged, false);
                     e.Handled = true;
                 };
 
@@ -842,7 +762,7 @@ namespace SourceGit.ViewModels
                 {
                     if (PopupHost.CanCreatePopup())
                     {
-                        PopupHost.ShowPopup(new StashChanges(_repo, changes, false));
+                        PopupHost.ShowPopup(new StashChanges(_repo, _selectedStaged, false));
                     }
                     e.Handled = true;
                 };
@@ -864,7 +784,7 @@ namespace SourceGit.ViewModels
                     var storageFile = await topLevel.StorageProvider.SaveFilePickerAsync(options);
                     if (storageFile != null)
                     {
-                        var succ = await Task.Run(() => Commands.SaveChangesAsPatch.Exec(_repo.FullPath, changes, false, storageFile.Path.LocalPath));
+                        var succ = await Task.Run(() => Commands.SaveChangesAsPatch.Exec(_repo.FullPath, _selectedStaged, false, storageFile.Path.LocalPath));
                         if (succ)
                             App.SendNotification(_repo.FullPath, App.Text("SaveAsPatchSuccess"));
                     }
@@ -881,6 +801,15 @@ namespace SourceGit.ViewModels
                     e.Handled = true;
                 };
                 
+                var copyFileName = new MenuItem();
+                copyFileName.Header = App.Text("CopyFileName");
+                copyFileName.Icon = App.CreateMenuIcon("Icons.Copy");
+                copyFileName.Click += (_, e) =>
+                {
+                    App.CopyText(Path.GetFileName(change.Path));
+                    e.Handled = true;
+                };
+
                 menu.Items.Add(explore);
                 menu.Items.Add(openWith);
                 menu.Items.Add(new MenuItem() { Header = "-" });
@@ -890,35 +819,36 @@ namespace SourceGit.ViewModels
                 menu.Items.Add(patch);
                 menu.Items.Add(new MenuItem() { Header = "-" });
                 menu.Items.Add(copyPath);
+                menu.Items.Add(copyFileName);
             }
             else
             {
                 var unstage = new MenuItem();
-                unstage.Header = App.Text("FileCM.UnstageMulti", changes.Count);
+                unstage.Header = App.Text("FileCM.UnstageMulti", _selectedStaged.Count);
                 unstage.Icon = App.CreateMenuIcon("Icons.File.Remove");
                 unstage.Click += (o, e) =>
                 {
-                    UnstageChanges(changes);
+                    UnstageChanges(_selectedStaged);
                     e.Handled = true;
                 };
 
                 var discard = new MenuItem();
-                discard.Header = App.Text("FileCM.DiscardMulti", changes.Count);
+                discard.Header = App.Text("FileCM.DiscardMulti", _selectedStaged.Count);
                 discard.Icon = App.CreateMenuIcon("Icons.Undo");
                 discard.Click += (_, e) =>
                 {
-                    Discard(changes, false);
+                    Discard(_selectedStaged, false);
                     e.Handled = true;
                 };
 
                 var stash = new MenuItem();
-                stash.Header = App.Text("FileCM.StashMulti", changes.Count);
+                stash.Header = App.Text("FileCM.StashMulti", _selectedStaged.Count);
                 stash.Icon = App.CreateMenuIcon("Icons.Stashes");
                 stash.Click += (_, e) =>
                 {
                     if (PopupHost.CanCreatePopup())
                     {
-                        PopupHost.ShowPopup(new StashChanges(_repo, changes, false));
+                        PopupHost.ShowPopup(new StashChanges(_repo, _selectedStaged, false));
                     }
                     e.Handled = true;
                 };
@@ -940,7 +870,7 @@ namespace SourceGit.ViewModels
                     var storageFile = await topLevel.StorageProvider.SaveFilePickerAsync(options);
                     if (storageFile != null)
                     {
-                        var succ = await Task.Run(() => Commands.SaveChangesAsPatch.Exec(_repo.FullPath, changes, false, storageFile.Path.LocalPath));
+                        var succ = await Task.Run(() => Commands.SaveChangesAsPatch.Exec(_repo.FullPath, _selectedStaged, false, storageFile.Path.LocalPath));
                         if (succ)
                             App.SendNotification(_repo.FullPath, App.Text("SaveAsPatchSuccess"));
                     }
@@ -993,6 +923,139 @@ namespace SourceGit.ViewModels
             return menu;
         }
 
+        private void SetDetail(Models.Change change)
+        {
+            if (_isLoadingData)
+                return;
+
+            var isUnstaged = _selectedUnstaged != null && _selectedUnstaged.Count > 0;
+            if (change == null)
+            {
+                DetailContext = null;
+            }
+            else if (change.IsConflit && isUnstaged)
+            {
+                DetailContext = new ConflictContext(_repo.FullPath, change);
+            }
+            else
+            {
+                if (_detailContext is DiffContext previous)
+                {
+                    DetailContext = new DiffContext(_repo.FullPath, new Models.DiffOption(change, isUnstaged), previous);
+                }
+                else
+                {
+                    DetailContext = new DiffContext(_repo.FullPath, new Models.DiffOption(change, isUnstaged));
+                }
+            }
+        }
+
+        private async void UseTheirs(List<Models.Change> changes)
+        {
+            var files = new List<string>();
+            foreach (var change in changes)
+            {
+                if (change.IsConflit)
+                    files.Add(change.Path);
+            }
+
+            _repo.SetWatcherEnabled(false);
+            var succ = await Task.Run(() => new Commands.Checkout(_repo.FullPath).UseTheirs(files));
+            if (succ)
+            {
+                await Task.Run(() => new Commands.Add(_repo.FullPath, changes).Exec());
+            }
+            _repo.MarkWorkingCopyDirtyManually();
+            _repo.SetWatcherEnabled(true);
+        }
+
+        private async void UseMine(List<Models.Change> changes)
+        {
+            var files = new List<string>();
+            foreach (var change in changes)
+            {
+                if (change.IsConflit)
+                    files.Add(change.Path);
+            }
+
+            _repo.SetWatcherEnabled(false);
+            var succ = await Task.Run(() => new Commands.Checkout(_repo.FullPath).UseMine(files));
+            if (succ)
+            {
+                await Task.Run(() => new Commands.Add(_repo.FullPath, changes).Exec());
+            }
+            _repo.MarkWorkingCopyDirtyManually();
+            _repo.SetWatcherEnabled(true);
+        }
+
+        private async void UseExternalMergeTool(Models.Change change)
+        {
+            var type = Preference.Instance.ExternalMergeToolType;
+            var exec = Preference.Instance.ExternalMergeToolPath;
+
+            var tool = Models.ExternalMerger.Supported.Find(x => x.Type == type);
+            if (tool == null)
+            {
+                App.RaiseException(_repo.FullPath, "Invalid merge tool in preference setting!");
+                return;
+            }
+
+            var args = tool.Type != 0 ? tool.Cmd : Preference.Instance.ExternalMergeToolCmd;
+
+            _repo.SetWatcherEnabled(false);
+            await Task.Run(() => Commands.MergeTool.OpenForMerge(_repo.FullPath, exec, args, change.Path));
+            _repo.SetWatcherEnabled(true);
+        }
+
+        private void DoCommit(bool autoPush)
+        {
+            if (!PopupHost.CanCreatePopup())
+            {
+                App.RaiseException(_repo.FullPath, "Repository has unfinished job! Please wait!");
+                return;
+            }
+
+            if (_staged.Count == 0)
+            {
+                App.RaiseException(_repo.FullPath, "No files added to commit!");
+                return;
+            }
+
+            if (string.IsNullOrWhiteSpace(_commitMessage))
+            {
+                App.RaiseException(_repo.FullPath, "Commit without message is NOT allowed!");
+                return;
+            }
+
+            PushCommitMessage();
+
+            SetDetail(null);
+            IsCommitting = true;
+            _repo.SetWatcherEnabled(false);
+
+            Task.Run(() =>
+            {
+                var succ = new Commands.Commit(_repo.FullPath, _commitMessage, _useAmend).Exec();
+                Dispatcher.UIThread.Post(() =>
+                {
+                    if (succ)
+                    {
+                        CommitMessage = string.Empty;
+                        UseAmend = false;
+
+                        if (autoPush)
+                        {
+                            PopupHost.ShowAndStartPopup(new Push(_repo, null));
+                        }
+                    }
+                    _repo.MarkWorkingCopyDirtyManually();
+                    _repo.SetWatcherEnabled(true);
+
+                    IsCommitting = false;
+                });
+            });
+        }
+
         private void PushCommitMessage()
         {
             var existIdx = _repo.CommitMessages.IndexOf(CommitMessage);
@@ -1020,15 +1083,12 @@ namespace SourceGit.ViewModels
         private bool _isUnstaging = false;
         private bool _isCommitting = false;
         private bool _useAmend = false;
+        private bool _canCommitWithPush = false;
         private List<Models.Change> _unstaged = null;
         private List<Models.Change> _staged = null;
-        private Models.Change _selectedUnstagedChange = null;
-        private Models.Change _selectedStagedChange = null;
+        private List<Models.Change> _selectedUnstaged = null;
+        private List<Models.Change> _selectedStaged = null;
         private int _count = 0;
-        private List<FileTreeNode> _unstagedTree = null;
-        private List<FileTreeNode> _stagedTree = null;
-        private FileTreeNode _selectedUnstagedTreeNode = null;
-        private FileTreeNode _selectedStagedTreeNode = null;
         private object _detailContext = null;
         private string _commitMessage = string.Empty;
     }

src/Views/AssumeUnchangedManager.axaml

@@ -92,9 +92,7 @@
           <DataGridTemplateColumn>
             <DataGridTemplateColumn.CellTemplate>
               <DataTemplate>
-                <Button Classes="icon_button"
-                        Command="{Binding $parent[v:AssumeUnchangedManager].DataContext.(vm:AssumeUnchangedManager).Remove}"
-                        CommandParameter="{Binding}">
+                <Button Classes="icon_button" Click="OnRemoveButtonClicked">
                   <Path Width="14" Height="14" Data="{StaticResource Icons.Clear}"/>
                 </Button>
               </DataTemplate>

src/Views/AssumeUnchangedManager.axaml.cs

@@ -20,5 +20,12 @@ namespace SourceGit.Views
         {
             Close();
         }
+
+        private void OnRemoveButtonClicked(object sender, RoutedEventArgs e) {
+            if (DataContext is ViewModels.AssumeUnchangedManager vm && sender is Button button)
+                vm.Remove(button.DataContext as string);
+
+            e.Handled = true;
+        }
     }
 }

src/Views/Blame.axaml

@@ -84,10 +84,7 @@
       </StackPanel>
 
       <!-- Loading -->
-      <Path Width="48" Height="48" 
-            Classes="rotating" 
-            Data="{StaticResource Icons.Loading}" 
-            IsVisible="{Binding Data, Converter={x:Static ObjectConverters.IsNull}}"/>
+      <v:LoadingIcon Width="48" Height="48" IsVisible="{Binding Data, Converter={x:Static ObjectConverters.IsNull}}"/>
     </Grid>
 
     <!-- Custom window sizer for Linux -->

src/Views/CaptionButtons.axaml

@@ -11,8 +11,8 @@
     <Button Classes="caption_button" Click="MinimizeWindow">
       <Path Data="{StaticResource Icons.Window.Minimize}"/>
     </Button>
-    <Button Classes="caption_button" Click="MaximizeOrRestoreWindow">
-      <Path Data="{Binding $parent[Window].WindowState, Converter={x:Static c:WindowStateConverters.ToMaxOrRestoreIcon}}"/>
+    <Button Classes="caption_button max_or_restore_btn" Click="MaximizeOrRestoreWindow">
+      <Path/>
     </Button>
     <Button Classes="caption_button" Click="CloseWindow">
       <Path Data="{StaticResource Icons.Window.Close}" Width="9" Height="9"/>

src/Views/ChangeCollectionView.axaml

@@ -0,0 +1,35 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:m="using:SourceGit.Models"
+             xmlns:v="using:SourceGit.Views"
+             xmlns:c="using:SourceGit.Converters"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="SourceGit.Views.ChangeCollectionView"
+             x:Name="ThisControl">
+  <UserControl.Resources>
+    <DataTemplate x:Key="TreeModeTemplate" DataType="m:FileTreeNode">
+      <Grid HorizontalAlignment="Stretch" Height="24" ColumnDefinitions="Auto,*">
+        <Path Grid.Column="0" Classes="folder_icon" Width="14" Height="14" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" Fill="Goldenrod" VerticalAlignment="Center"/>
+        <v:ChangeStatusIcon Grid.Column="0" Width="14" Height="14" IsWorkingCopyChange="{Binding #ThisControl.IsWorkingCopyChange}" Change="{Binding Backend}" IsVisible="{Binding !IsFolder}"/>
+        <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding FullPath, Converter={x:Static c:PathConverters.PureFileName}}" Margin="6,0,0,0"/>
+      </Grid>
+    </DataTemplate>
+
+    <DataTemplate x:Key="ListModeTemplate" DataType="m:Change">
+      <StackPanel Orientation="Horizontal">
+        <v:ChangeStatusIcon Width="14" Height="14" IsWorkingCopyChange="{Binding #ThisControl.IsWorkingCopyChange}" Change="{Binding}" Margin="4,0,0,0"/>
+        <TextBlock Classes="monospace" Text="{Binding Path}" Margin="4,0"/>
+      </StackPanel>
+    </DataTemplate>
+
+    <DataTemplate x:Key="GridModeTemplate" DataType="m:Change">
+      <StackPanel Orientation="Horizontal">
+        <v:ChangeStatusIcon Width="14" Height="14" IsWorkingCopyChange="{Binding #ThisControl.IsWorkingCopyChange}" Change="{Binding}" Margin="4,0,0,0"/>
+        <TextBlock Classes="monospace" Text="{Binding Path, Converter={x:Static c:PathConverters.PureFileName}}" Margin="4,0"/>
+        <TextBlock Classes="monospace" Text="{Binding Path, Converter={x:Static c:PathConverters.PureDirectoryName}}" Foreground="{DynamicResource Brush.FG2}"/>
+      </StackPanel>
+    </DataTemplate>
+  </UserControl.Resources>
+</UserControl>

src/Views/ChangeCollectionView.axaml.cs

@@ -0,0 +1,274 @@
+using System;
+using System.Collections.Generic;
+
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.Models.TreeDataGrid;
+using Avalonia.Controls.Templates;
+using Avalonia.Interactivity;
+
+namespace SourceGit.Views
+{
+    public partial class ChangeCollectionView : UserControl
+    {
+        public static readonly StyledProperty<bool> IsWorkingCopyChangeProperty =
+            AvaloniaProperty.Register<ChangeCollectionView, bool>(nameof(IsWorkingCopyChange), false);
+
+        public bool IsWorkingCopyChange
+        {
+            get => GetValue(IsWorkingCopyChangeProperty);
+            set => SetValue(IsWorkingCopyChangeProperty, value);
+        }
+
+        public static readonly StyledProperty<bool> SingleSelectProperty =
+            AvaloniaProperty.Register<ChangeCollectionView, bool>(nameof(SingleSelect), true);
+
+        public bool SingleSelect
+        {
+            get => GetValue(SingleSelectProperty);
+            set => SetValue(SingleSelectProperty, value);
+        }
+
+        public static readonly StyledProperty<Models.ChangeViewMode> ViewModeProperty =
+            AvaloniaProperty.Register<ChangeCollectionView, Models.ChangeViewMode>(nameof(ViewMode), Models.ChangeViewMode.Tree);
+
+        public Models.ChangeViewMode ViewMode
+        {
+            get => GetValue(ViewModeProperty);
+            set => SetValue(ViewModeProperty, value);
+        }
+
+        public static readonly StyledProperty<List<Models.Change>> ChangesProperty =
+            AvaloniaProperty.Register<ChangeCollectionView, List<Models.Change>>(nameof(Changes), null);
+
+        public List<Models.Change> Changes
+        {
+            get => GetValue(ChangesProperty);
+            set => SetValue(ChangesProperty, value);
+        }
+
+        public static readonly StyledProperty<List<Models.Change>> SelectedChangesProperty =
+            AvaloniaProperty.Register<ChangeCollectionView, List<Models.Change>>(nameof(SelectedChanges), null);
+
+        public List<Models.Change> SelectedChanges
+        {
+            get => GetValue(SelectedChangesProperty);
+            set => SetValue(SelectedChangesProperty, value);
+        }
+
+        public static readonly RoutedEvent<RoutedEventArgs> ChangeDoubleTappedEvent =
+            RoutedEvent.Register<ChangeCollectionView, RoutedEventArgs>(nameof(ChangeDoubleTapped), RoutingStrategies.Tunnel | RoutingStrategies.Bubble);
+
+        public event EventHandler<RoutedEventArgs> ChangeDoubleTapped
+        {
+            add { AddHandler(ChangeDoubleTappedEvent, value); }
+            remove { RemoveHandler(ChangeDoubleTappedEvent, value); }
+        }
+
+        static ChangeCollectionView()
+        {
+            ViewModeProperty.Changed.AddClassHandler<ChangeCollectionView>((c, e) => c.UpdateSource());
+            ChangesProperty.Changed.AddClassHandler<ChangeCollectionView>((c, e) => c.UpdateSource());
+            SelectedChangesProperty.Changed.AddClassHandler<ChangeCollectionView>((c, e) => c.UpdateSelected());
+        }
+
+        public ChangeCollectionView()
+        {
+            InitializeComponent();
+        }
+
+        private void UpdateSource()
+        {
+            if (Content is TreeDataGrid tree && tree.Source is IDisposable disposable)
+                disposable.Dispose();
+            
+            Content = null;
+
+            var changes = Changes;
+            if (changes == null)
+                return;
+
+            var viewMode = ViewMode;
+            if (viewMode == Models.ChangeViewMode.Tree)
+            {
+                var filetree = Models.FileTreeNode.Build(changes, true);
+                var template = this.FindResource("TreeModeTemplate") as IDataTemplate;
+                var source = new HierarchicalTreeDataGridSource<Models.FileTreeNode>(filetree)
+                {
+                    Columns =
+                    {
+                        new HierarchicalExpanderColumn<Models.FileTreeNode>(
+                            new TemplateColumn<Models.FileTreeNode>(null, template, null, GridLength.Auto),
+                            x => x.Children,
+                            x => x.Children.Count > 0,
+                            x => x.IsExpanded)
+                    }
+                };
+
+                var selection = new Models.TreeDataGridSelectionModel<Models.FileTreeNode>(source, x => x.Children);
+                selection.SingleSelect = SingleSelect;
+                selection.RowDoubleTapped += (_, e) => RaiseEvent(new RoutedEventArgs(ChangeDoubleTappedEvent));
+                selection.SelectionChanged += (s, _) =>
+                {
+                    if (!_isSelecting && s is Models.TreeDataGridSelectionModel<Models.FileTreeNode> model)
+                    {
+                        var selected = new List<Models.Change>();
+                        foreach (var c in model.SelectedItems)
+                            CollectChangesInNode(selected, c);
+
+                        _isSelecting = true;
+                        SetCurrentValue(SelectedChangesProperty, selected);
+                        _isSelecting = false;
+                    }
+                };
+
+                source.Selection = selection;
+                CreateTreeDataGrid(source);
+            }
+            else if (viewMode == Models.ChangeViewMode.List)
+            {
+                var template = this.FindResource("ListModeTemplate") as IDataTemplate;
+                var source = new FlatTreeDataGridSource<Models.Change>(changes)
+                {
+                    Columns = { new TemplateColumn<Models.Change>(null, template, null, GridLength.Auto) }
+                };
+
+                var selection = new Models.TreeDataGridSelectionModel<Models.Change>(source, null);
+                selection.SingleSelect = SingleSelect;
+                selection.RowDoubleTapped += (_, e) => RaiseEvent(new RoutedEventArgs(ChangeDoubleTappedEvent));
+                selection.SelectionChanged += (s, _) =>
+                {
+                    if (!_isSelecting && s is Models.TreeDataGridSelectionModel<Models.Change> model)
+                    {
+                        var selected = new List<Models.Change>();
+                        foreach (var c in model.SelectedItems)
+                            selected.Add(c);
+
+                        _isSelecting = true;
+                        SetCurrentValue(SelectedChangesProperty, selected);
+                        _isSelecting = false;
+                    }
+                };
+
+                source.Selection = selection;
+                CreateTreeDataGrid(source);
+            }
+            else
+            {
+                var template = this.FindResource("GridModeTemplate") as IDataTemplate;
+                var source = new FlatTreeDataGridSource<Models.Change>(changes)
+                {
+                    Columns = { new TemplateColumn<Models.Change>(null, template, null, GridLength.Auto) },
+                };
+
+                var selection = new Models.TreeDataGridSelectionModel<Models.Change>(source, null);
+                selection.SingleSelect = SingleSelect;
+                selection.RowDoubleTapped += (_, e) => RaiseEvent(new RoutedEventArgs(ChangeDoubleTappedEvent));
+                selection.SelectionChanged += (s, _) =>
+                {
+                    if (!_isSelecting && s is Models.TreeDataGridSelectionModel<Models.Change> model)
+                    {
+                        var selected = new List<Models.Change>();
+                        foreach (var c in model.SelectedItems)
+                            selected.Add(c);
+
+                        _isSelecting = true;
+                        SetCurrentValue(SelectedChangesProperty, selected);
+                        _isSelecting = false;
+                    }
+                };
+
+                source.Selection = selection;
+                CreateTreeDataGrid(source);
+            }
+        }
+
+        private void UpdateSelected()
+        {
+            if (_isSelecting || Content == null)
+                return;
+
+            var tree = Content as TreeDataGrid;
+            if (tree == null)
+                return;
+
+            _isSelecting = true;
+            var selected = SelectedChanges;
+            if (tree.Source.Selection is Models.TreeDataGridSelectionModel<Models.Change> changeSelection)
+            {
+                if (selected == null || selected.Count == 0)
+                    changeSelection.Clear();
+                else
+                    changeSelection.Select(selected);
+            }
+            else if (tree.Source.Selection is Models.TreeDataGridSelectionModel<Models.FileTreeNode> treeSelection)
+            {
+                if (selected == null || selected.Count == 0)
+                {
+                    treeSelection.Clear();
+                    _isSelecting = false;
+                    return;
+                }
+
+                var set = new HashSet<object>();
+                foreach (var c in selected)
+                    set.Add(c);
+
+                var nodes = new List<Models.FileTreeNode>();
+                foreach (var node in tree.Source.Items)
+                    CollectSelectedNodeByChange(nodes, node as Models.FileTreeNode, set);
+
+                if (nodes.Count == 0)
+                    treeSelection.Clear();
+                else
+                    treeSelection.Select(nodes);
+            }
+            _isSelecting = false;
+        }
+
+        private void CreateTreeDataGrid(ITreeDataGridSource source)
+        {
+            Content = new TreeDataGrid()
+            {
+                AutoDragDropRows = false,
+                ShowColumnHeaders = false,
+                CanUserResizeColumns = false,
+                CanUserSortColumns = false,
+                Source = source,
+            };
+        }
+
+        private void CollectChangesInNode(List<Models.Change> outs, Models.FileTreeNode node)
+        {
+            if (node.IsFolder)
+            {
+                foreach (var child in node.Children)
+                    CollectChangesInNode(outs, child);
+            }
+            else
+            {
+                var change = node.Backend as Models.Change;
+                if (change != null && !outs.Contains(change))
+                    outs.Add(change);
+            }
+        }
+
+        private void CollectSelectedNodeByChange(List<Models.FileTreeNode> outs, Models.FileTreeNode node, HashSet<object> selected)
+        {
+            if (node == null)
+                return;
+
+            if (node.IsFolder)
+            {
+                foreach (var child in node.Children)
+                    CollectSelectedNodeByChange(outs, child, selected);
+            }
+            else if (node.Backend != null && selected.Contains(node.Backend))
+            {
+                outs.Add(node);
+            }
+        }
+
+        private bool _isSelecting = false;
+    }
+}

src/Views/ChangeViewModeSwitcher.axaml

@@ -14,22 +14,22 @@
       <MenuFlyout Placement="BottomEdgeAlignedLeft">
         <MenuItem Header="{DynamicResource Text.ChangeDisplayMode.List}" Command="{Binding SwitchMode}" CommandParameter="{x:Static m:ChangeViewMode.List}">
           <MenuItem.Icon>
-            <Path Width="12" Height="12" Fill="{DynamicResource Brush.FG2}" Data="{StaticResource Icons.List}"/>
+            <Path Width="12" Height="12" Data="{StaticResource Icons.List}"/>
           </MenuItem.Icon>
         </MenuItem>
         <MenuItem Header="{DynamicResource Text.ChangeDisplayMode.Grid}" Command="{Binding SwitchMode}" CommandParameter="{x:Static m:ChangeViewMode.Grid}">
           <MenuItem.Icon>
-            <Path Width="12" Height="12" Fill="{DynamicResource Brush.FG2}" Data="{StaticResource Icons.Grid}"/>
+            <Path Width="12" Height="12" Data="{StaticResource Icons.Grid}"/>
           </MenuItem.Icon>
         </MenuItem>
         <MenuItem Header="{DynamicResource Text.ChangeDisplayMode.Tree}" Command="{Binding SwitchMode}" CommandParameter="{x:Static m:ChangeViewMode.Tree}">
           <MenuItem.Icon>
-            <Path Width="12" Height="12" Fill="{DynamicResource Brush.FG2}" Data="{StaticResource Icons.Tree}"/>
+            <Path Width="12" Height="12" Data="{StaticResource Icons.Tree}"/>
           </MenuItem.Icon>
         </MenuItem>
       </MenuFlyout>
     </Button.Flyout>
 
-    <Path Stretch="Uniform" Fill="{DynamicResource Brush.FG2}" Data="{Binding ViewMode, Converter={x:Static c:ChangeViewModeConverters.ToIcon}}"/>
+    <Path Classes="change_mode_switcher_icon" Stretch="Uniform" Data="{Binding ViewMode, Converter={x:Static c:ChangeViewModeConverters.ToIcon}}"/>
   </Button>
 </UserControl>

src/Views/Checkout.axaml

@@ -2,7 +2,9 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:m="using:SourceGit.Models"
              xmlns:vm="using:SourceGit.ViewModels"
+             xmlns:ac="using:Avalonia.Controls.Converters"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
              x:Class="SourceGit.Views.Checkout"
              x:DataType="vm:Checkout">
@@ -11,7 +13,7 @@
                Classes="bold"
                Text="{DynamicResource Text.Checkout}"/>
 
-    <Grid Margin="0,16,0,0" RowDefinitions="32,32" ColumnDefinitions="150,*">
+    <Grid Margin="0,16,0,0" RowDefinitions="32,32" ColumnDefinitions="140,*">
       <TextBlock Grid.Row="0" Grid.Column="0"
                  HorizontalAlignment="Right" VerticalAlignment="Center"
                  Margin="0,0,8,0"
@@ -26,12 +28,21 @@
                  Margin="0,0,8,0"
                  Text="{DynamicResource Text.Checkout.LocalChanges}"/>
       <StackPanel Grid.Row="1" Grid.Column="1" Orientation="Horizontal">
-        <RadioButton Content="{DynamicResource Text.Checkout.LocalChanges.StashAndReply}"
+        <StackPanel.Resources>
+          <ac:EnumToBoolConverter x:Key="EnumToBoolConverter"/>
+        </StackPanel.Resources>
+
+        <RadioButton Content="{DynamicResource Text.CreateBranch.LocalChanges.StashAndReply}"
                      GroupName="LocalChanges"
-                     IsChecked="{Binding AutoStash, Mode=TwoWay}"/>
-        <RadioButton Content="{DynamicResource Text.Checkout.LocalChanges.Discard}"
+                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static m:DealWithLocalChanges.StashAndReaply}}"/>
+        <RadioButton Content="{DynamicResource Text.CreateBranch.LocalChanges.Discard}"
                      GroupName="LocalChanges"
-                     Margin="8,0,0,0"/>
+                     Margin="8,0,0,0"
+                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static m:DealWithLocalChanges.Discard}}"/>
+        <RadioButton Content="{DynamicResource Text.CreateBranch.LocalChanges.DoNothing}"
+                     GroupName="LocalChanges"
+                     Margin="8,0,0,0"
+                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static m:DealWithLocalChanges.DoNothing}}"/>
       </StackPanel>
     </Grid>
   </StackPanel>

src/Views/CheckoutCommit.axaml

@@ -18,7 +18,7 @@
                Foreground="{DynamicResource Brush.FG2}"
                FontStyle="Italic"/>
 
-    <Grid RowDefinitions="32,Auto" ColumnDefinitions="120,*">
+    <Grid RowDefinitions="32,Auto" ColumnDefinitions="Auto,*" ClipToBounds="True">
       <TextBlock Grid.Row="0" Grid.Column="0"
                  HorizontalAlignment="Right" VerticalAlignment="Center"
                  Margin="0,0,8,0"

src/Views/Clone.axaml

@@ -2,7 +2,6 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-             xmlns:m="using:SourceGit.Models"
              xmlns:vm="using:SourceGit.ViewModels"
              xmlns:v="using:SourceGit.Views"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
@@ -11,14 +10,14 @@
   <StackPanel Orientation="Vertical" Margin="8,0,0,0">
     <TextBlock Classes="bold" FontSize="18" Text="{DynamicResource Text.Clone}"/>
 
-    <Grid Margin="8,16,0,0" Height="28" ColumnDefinitions="120,*">
+    <Grid Margin="8,16,0,0" Height="28" ColumnDefinitions="140,*">
       <TextBlock Grid.Column="0" HorizontalAlignment="Right" Margin="0,0,8,0" Text="{DynamicResource Text.Clone.RemoteURL}"/>
       <TextBox Grid.Column="1" CornerRadius="3" Text="{Binding Remote, Mode=TwoWay}" v:AutoFocusBehaviour.IsEnabled="True"/>
     </Grid>
-    <Grid Margin="8,4,0,0" Height="28" ColumnDefinitions="120,*" IsVisible="{Binding UseSSH}">
+    <Grid Margin="8,4,0,0" Height="28" ColumnDefinitions="140,*" IsVisible="{Binding UseSSH}">
       <TextBlock Grid.Column="0" HorizontalAlignment="Right" Margin="0,0,8,0" Text="{DynamicResource Text.SSHKey}"/>
       <TextBox Grid.Column="1"
-               x:Name="txtSSHKey"
+               x:Name="TxtSshKey"
                Height="28"
                CornerRadius="3"
                Watermark="{DynamicResource Text.SSHKey.Placeholder}"
@@ -30,10 +29,10 @@
         </TextBox.InnerRightContent>
       </TextBox>
     </Grid>
-    <Grid Margin="8,4,0,0" Height="28" ColumnDefinitions="120,*">
+    <Grid Margin="8,4,0,0" Height="28" ColumnDefinitions="140,*">
       <TextBlock Grid.Column="0" HorizontalAlignment="Right" Margin="0,0,8,0" Text="{DynamicResource Text.Clone.ParentFolder}"/>
       <TextBox Grid.Column="1"
-               x:Name="txtParentFolder"
+               x:Name="TxtParentFolder"
                Height="28"
                CornerRadius="3"
                Text="{Binding ParentFolder, Mode=TwoWay}">
@@ -44,11 +43,11 @@
         </TextBox.InnerRightContent>
       </TextBox>
     </Grid>
-    <Grid Margin="8,4,0,0" Height="28" ColumnDefinitions="120,*">
+    <Grid Margin="8,4,0,0" Height="28" ColumnDefinitions="140,*">
       <TextBlock Grid.Column="0" HorizontalAlignment="Right" Margin="0,0,8,0" Text="{DynamicResource Text.Clone.LocalName}"/>
       <TextBox Grid.Column="1" CornerRadius="3" Watermark="{DynamicResource Text.Clone.LocalName.Placeholder}" Text="{Binding Local, Mode=TwoWay}"/>
     </Grid>
-    <Grid Margin="8,4,0,0" Height="28" ColumnDefinitions="120,*">
+    <Grid Margin="8,4,0,0" Height="28" ColumnDefinitions="140,*">
       <TextBlock Grid.Column="0" HorizontalAlignment="Right" Margin="0,0,8,0" Text="{DynamicResource Text.Clone.AdditionalParam}"/>
       <TextBox Grid.Column="1" CornerRadius="3" Watermark="{DynamicResource Text.Clone.AdditionalParam.Placeholder}" Text="{Binding ExtraArgs, Mode=TwoWay}"/>
     </Grid>

src/Views/Clone.axaml.cs

@@ -15,11 +15,12 @@ namespace SourceGit.Views
         {
             var options = new FolderPickerOpenOptions() { AllowMultiple = false };
             var toplevel = TopLevel.GetTopLevel(this);
+            if (toplevel == null)
+                return;
+            
             var selected = await toplevel.StorageProvider.OpenFolderPickerAsync(options);
             if (selected.Count == 1)
-            {
-                txtParentFolder.Text = selected[0].Path.LocalPath;
-            }
+                TxtParentFolder.Text = selected[0].Path.LocalPath;
 
             e.Handled = true;
         }
@@ -28,11 +29,12 @@ namespace SourceGit.Views
         {
             var options = new FilePickerOpenOptions() { AllowMultiple = false, FileTypeFilter = [new FilePickerFileType("SSHKey") { Patterns = ["*.*"] }] };
             var toplevel = TopLevel.GetTopLevel(this);
+            if (toplevel == null)
+                return;
+            
             var selected = await toplevel.StorageProvider.OpenFilePickerAsync(options);
             if (selected.Count == 1)
-            {
-                txtSSHKey.Text = selected[0].Path.LocalPath;
-            }
+                TxtSshKey.Text = selected[0].Path.LocalPath;
 
             e.Handled = true;
         }

src/Views/CommitBaseInfo.axaml

@@ -12,11 +12,7 @@
     <DataTemplate DataType="m:Commit">
       <StackPanel Orientation="Vertical">
         <!-- Author & Committer -->
-        <Grid Margin="0,8">
-          <Grid.ColumnDefinitions>
-            <ColumnDefinition Width="{Binding IsCommitterVisible, Converter={x:Static c:BoolConverters.ToStarOrAutoGridLength}}"/>
-            <ColumnDefinition Width="*"/>
-          </Grid.ColumnDefinitions>
+        <UniformGrid Rows="1" Margin="0,8">
           <!-- Author -->
           <Grid Grid.Column="0" ColumnDefinitions="96,*">
             <v:Avatar Grid.Column="0" Width="64" Height="64" HorizontalAlignment="Right" User="{Binding Author}"/>
@@ -48,7 +44,7 @@
                                    Foreground="{DynamicResource Brush.FG2}"/>
             </StackPanel>
           </Grid>
-        </Grid>
+        </UniformGrid>
 
         <!-- Line -->
         <Rectangle Height=".65" Margin="8" Fill="{DynamicResource Brush.Border2}" VerticalAlignment="Center"/>
@@ -111,9 +107,6 @@
             <SelectableTextBlock Text="{Binding FullMessage}" FontFamily="{Binding Source={x:Static vm:Preference.Instance}, Path=MonospaceFont}" TextWrapping="Wrap"/>
           </ScrollViewer>
         </Grid>
-
-        <!-- Line -->
-        <Rectangle Height=".65" Margin="8" Fill="{DynamicResource Brush.Border2}" VerticalAlignment="Center"/>
       </StackPanel>
     </DataTemplate>
   </UserControl.DataTemplates>

src/Views/CommitBaseInfo.axaml.cs

@@ -1,3 +1,4 @@
+using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Input;
 
@@ -5,6 +6,15 @@ namespace SourceGit.Views
 {
     public partial class CommitBaseInfo : UserControl
     {
+        public static readonly StyledProperty<bool> CanNavigateProperty =
+            AvaloniaProperty.Register<CommitBaseInfo, bool>(nameof(CanNavigate), true);
+
+        public bool CanNavigate
+        {
+            get => GetValue(CanNavigateProperty);
+            set => SetValue(CanNavigateProperty, value);
+        }
+
         public CommitBaseInfo()
         {
             InitializeComponent();
@@ -12,10 +22,9 @@ namespace SourceGit.Views
 
         private void OnParentSHAPressed(object sender, PointerPressedEventArgs e)
         {
-            if (DataContext is ViewModels.CommitDetail detail)
-            {
+            if (DataContext is ViewModels.CommitDetail detail && CanNavigate)
                 detail.NavigateTo((sender as Control).DataContext as string);
-            }
+            
             e.Handled = true;
         }
     }

src/Views/CommitChanges.axaml

@@ -17,7 +17,7 @@
 
     <Grid Grid.Column="0" RowDefinitions="26,*">
       <!-- Search & Display Mode -->
-      <Grid Grid.Row="0" ColumnDefinitions="*,24">
+      <Grid Grid.Row="0" ColumnDefinitions="*,18">
         <TextBox Grid.Column="0"
                  Height="26"
                  BorderThickness="1" BorderBrush="{DynamicResource Brush.Border2}" 
@@ -39,116 +39,18 @@
         </TextBox>
 
         <v:ChangeViewModeSwitcher Grid.Column="1"
-                                  Width="18" Height="18"
+                                  Width="14" Height="14"
                                   HorizontalAlignment="Right"
                                   ViewMode="{Binding Source={x:Static vm:Preference.Instance}, Path=CommitChangeViewMode, Mode=TwoWay}"/>
       </Grid>
 
       <!-- Changes -->
       <Border Grid.Row="1" Margin="0,4,0,0" BorderBrush="{DynamicResource Brush.Border2}" BorderThickness="1" Background="{DynamicResource Brush.Contents}">
-        <Grid>
-          <DataGrid Background="Transparent"
-                    ItemsSource="{Binding VisibleChanges}"
-                    SelectedItem="{Binding SelectedChange, Mode=TwoWay}"
-                    SelectionMode="Single"
-                    CanUserReorderColumns="False"
-                    CanUserResizeColumns="False"
-                    CanUserSortColumns="False"
-                    IsReadOnly="True"
-                    HeadersVisibility="None"
-                    Focusable="False"
-                    RowHeight="26"
-                    HorizontalScrollBarVisibility="Auto"
-                    VerticalScrollBarVisibility="Auto"
-                    SelectionChanged="OnDataGridSelectionChanged"
-                    ContextRequested="OnDataGridContextRequested"
-                    IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=CommitChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsList}}">
-            <DataGrid.Columns>
-              <DataGridTemplateColumn Header="ICON">
-                <DataGridTemplateColumn.CellTemplate>
-                  <DataTemplate>
-                    <v:ChangeStatusIcon Width="14" Height="14" IsWorkingCopyChange="False" Change="{Binding}"/>
-                  </DataTemplate>
-                </DataGridTemplateColumn.CellTemplate>
-              </DataGridTemplateColumn>
-
-              <DataGridTemplateColumn Width="*" Header="PATH">
-                <DataGridTemplateColumn.CellTemplate>
-                  <DataTemplate>
-                    <TextBlock Classes="monospace" Text="{Binding Path}" Margin="4,0,0,0"/>
-                  </DataTemplate>
-                </DataGridTemplateColumn.CellTemplate>
-              </DataGridTemplateColumn>
-            </DataGrid.Columns>
-          </DataGrid>
-
-          <DataGrid Background="Transparent"
-                    ItemsSource="{Binding VisibleChanges}"
-                    SelectedItem="{Binding SelectedChange, Mode=TwoWay}"
-                    SelectionMode="Single"
-                    CanUserReorderColumns="False"
-                    CanUserResizeColumns="False"
-                    CanUserSortColumns="False"
-                    IsReadOnly="True"
-                    HeadersVisibility="None"
-                    Focusable="False"
-                    RowHeight="26"
-                    HorizontalScrollBarVisibility="Auto"
-                    VerticalScrollBarVisibility="Auto"
-                    SelectionChanged="OnDataGridSelectionChanged"
-                    ContextRequested="OnDataGridContextRequested"
-                    IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=CommitChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsGrid}}">
-            <DataGrid.Columns>
-              <DataGridTemplateColumn Header="ICON">
-                <DataGridTemplateColumn.CellTemplate>
-                  <DataTemplate>
-                    <v:ChangeStatusIcon Width="14" Height="14" IsWorkingCopyChange="False" Change="{Binding}"/>
-                  </DataTemplate>
-                </DataGridTemplateColumn.CellTemplate>
-              </DataGridTemplateColumn>
-
-              <DataGridTemplateColumn Header="FILE_NAME">
-                <DataGridTemplateColumn.CellTemplate>
-                  <DataTemplate>
-                    <TextBlock Classes="monospace" Text="{Binding Path, Converter={x:Static c:PathConverters.PureFileName}}" Margin="4,0,0,0"/>
-                  </DataTemplate>
-                </DataGridTemplateColumn.CellTemplate>
-              </DataGridTemplateColumn>
-
-              <DataGridTemplateColumn Header="FOLDER_PATH">
-                <DataGridTemplateColumn.CellTemplate>
-                  <DataTemplate>
-                    <TextBlock Classes="monospace" Text="{Binding Path, Converter={x:Static c:PathConverters.PureDirectoryName}}" Margin="4,0,0,0" Foreground="{DynamicResource Brush.FG2}"/>
-                  </DataTemplate>
-                </DataGridTemplateColumn.CellTemplate>
-              </DataGridTemplateColumn>
-            </DataGrid.Columns>
-          </DataGrid>
-
-          <TreeView ItemsSource="{Binding ChangeTree}"
-                    SelectedItem="{Binding SelectedChangeNode, Mode=TwoWay}"
-                    AutoScrollToSelectedItem="True"
-                    ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                    ScrollViewer.VerticalScrollBarVisibility="Auto"
-                    ContextRequested="OnTreeViewContextRequested"
-                    IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=CommitChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsTree}}">
-            <TreeView.Styles>
-              <Style Selector="TreeViewItem" x:DataType="vm:FileTreeNode">
-                <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
-              </Style>
-            </TreeView.Styles>
-
-            <TreeView.ItemTemplate>
-              <TreeDataTemplate ItemsSource="{Binding Children}" x:DataType="{x:Type vm:FileTreeNode}">
-                <Grid Height="24" ColumnDefinitions="Auto,*">
-                  <Path Grid.Column="0" Classes="folder_icon" Width="14" Height="14" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" Fill="Goldenrod" VerticalAlignment="Center"/>
-                  <v:ChangeStatusIcon Grid.Column="0" Width="14" Height="14" IsWorkingCopyChange="False" Change="{Binding Backend}" IsVisible="{Binding !IsFolder}"/>
-                  <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding FullPath, Converter={x:Static c:PathConverters.PureFileName}}" Margin="6,0,0,0"/>
-                </Grid>
-              </TreeDataTemplate>
-            </TreeView.ItemTemplate>
-          </TreeView>
-        </Grid>
+        <v:ChangeCollectionView IsWorkingCopyChange="False"
+                                ViewMode="{Binding Source={x:Static vm:Preference.Instance}, Path=CommitChangeViewMode}"
+                                Changes="{Binding VisibleChanges}"
+                                SelectedChanges="{Binding SelectedChanges, Mode=TwoWay}"
+                                ContextRequested="OnChangeContextRequested"/>
       </Border>
     </Grid>
 

src/Views/CommitChanges.axaml.cs

@@ -9,37 +9,15 @@ namespace SourceGit.Views
             InitializeComponent();
         }
 
-        private void OnDataGridSelectionChanged(object sender, SelectionChangedEventArgs e)
+        private void OnChangeContextRequested(object sender, ContextRequestedEventArgs e)
         {
-            if (sender is DataGrid datagrid && datagrid.IsVisible && datagrid.SelectedItem != null)
+            if (DataContext is ViewModels.CommitDetail vm)
             {
-                datagrid.ScrollIntoView(datagrid.SelectedItem, null);
-            }
-            e.Handled = true;
-        }
-
-        private void OnDataGridContextRequested(object sender, ContextRequestedEventArgs e)
-        {
-            if (sender is DataGrid datagrid && datagrid.SelectedItem != null)
-            {
-                var detail = DataContext as ViewModels.CommitDetail;
-                var menu = detail.CreateChangeContextMenu(datagrid.SelectedItem as Models.Change);
-                datagrid.OpenContextMenu(menu);
-            }
-
-            e.Handled = true;
-        }
-
-        private void OnTreeViewContextRequested(object sender, ContextRequestedEventArgs e)
-        {
-            if (sender is TreeView view && view.SelectedItem != null)
-            {
-                var detail = DataContext as ViewModels.CommitDetail;
-                var node = view.SelectedItem as ViewModels.FileTreeNode;
-                if (node != null && !node.IsFolder)
+                var selected = (sender as ChangeCollectionView)?.SelectedChanges;
+                if (selected != null && selected.Count == 1)
                 {
-                    var menu = detail.CreateChangeContextMenu(node.Backend as Models.Change);
-                    view.OpenContextMenu(menu);
+                    var menu = vm.CreateChangeContextMenu(selected[0]);
+                    (sender as Control)?.OpenContextMenu(menu);
                 }
             }
 

src/Views/CommitDetail.axaml

@@ -17,12 +17,15 @@
         <TextBlock Classes="tab_header" Text="{DynamicResource Text.CommitDetail.Info}"/>
       </TabItem.Header>
 
-      <Grid RowDefinitions="Auto,*">
+      <Grid RowDefinitions="Auto,1,*">
         <!-- Base Information -->
         <v:CommitBaseInfo Grid.Row="0" Content="{Binding Commit}"/>
 
+        <!-- Line -->
+        <Rectangle Grid.Row="1" Height=".65" Margin="8" Fill="{DynamicResource Brush.Border2}" VerticalAlignment="Center"/>
+
         <!-- Change List -->
-        <DataGrid Grid.Row="1"
+        <DataGrid Grid.Row="2"
                   Background="Transparent"
                   ItemsSource="{Binding Changes}"
                   SelectionMode="Single"
@@ -33,7 +36,7 @@
                   HeadersVisibility="None"
                   Focusable="False"
                   RowHeight="26"
-                  Margin="80,0,8,0"
+                  Margin="80,0,8,16"
                   HorizontalScrollBarVisibility="Disabled"
                   VerticalScrollBarVisibility="Auto"
                   ContextRequested="OnChangeListContextRequested"

src/Views/CommitDetail.axaml.cs

@@ -16,8 +16,9 @@ namespace SourceGit.Views
             {
                 var datagrid = sender as DataGrid;
                 detail.ActivePageIndex = 1;
-                detail.SelectedChange = datagrid.SelectedItem as Models.Change;
+                detail.SelectedChanges = new () { datagrid.SelectedItem as Models.Change };
             }
+
             e.Handled = true;
         }
 
@@ -35,6 +36,7 @@ namespace SourceGit.Views
                 var menu = detail.CreateChangeContextMenu(datagrid.SelectedItem as Models.Change);
                 datagrid.OpenContextMenu(menu);
             }
+
             e.Handled = true;
         }
     }

src/Views/CreateBranch.axaml

@@ -14,7 +14,7 @@
     <TextBlock FontSize="18"
                Classes="bold"
                Text="{DynamicResource Text.CreateBranch}"/>
-    <Grid Margin="0,16,0,0" RowDefinitions="32,32,32,32" ColumnDefinitions="150,*">
+    <Grid Margin="0,16,0,0" RowDefinitions="32,32,32,32" ColumnDefinitions="140,*">
       <TextBlock Grid.Column="0"
                  HorizontalAlignment="Right" VerticalAlignment="Center"
                  Margin="0,0,8,0"
@@ -67,15 +67,15 @@
         
         <RadioButton Content="{DynamicResource Text.CreateBranch.LocalChanges.StashAndReply}"
                      GroupName="LocalChanges"
-                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static vm:BeforeCreateBranchAction.StashAndReaply}}"/>
+                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static m:DealWithLocalChanges.StashAndReaply}}"/>
         <RadioButton Content="{DynamicResource Text.CreateBranch.LocalChanges.Discard}"
                      GroupName="LocalChanges"
                      Margin="8,0,0,0"
-                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static vm:BeforeCreateBranchAction.Discard}}"/>
+                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static m:DealWithLocalChanges.Discard}}"/>
         <RadioButton Content="{DynamicResource Text.CreateBranch.LocalChanges.DoNothing}"
                      GroupName="LocalChanges"
                      Margin="8,0,0,0"
-                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static vm:BeforeCreateBranchAction.DoNothing}}"/>
+                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static m:DealWithLocalChanges.DoNothing}}"/>
       </StackPanel>
       
       <CheckBox Grid.Row="3" Grid.Column="1"

src/Views/DiffView.axaml

@@ -126,6 +126,44 @@
             </StackPanel>
           </DataTemplate>
 
+          <!-- Submodule Diff -->
+          <DataTemplate DataType="m:SubmoduleDiff">
+            <Grid Background="{DynamicResource Brush.Contents}" RowDefinitions="Auto,*">
+              <TextBlock Grid.Row="0"
+                         Text="{DynamicResource Text.Diff.Submodule}"
+                         Margin="8,8,8,8"
+                         FontSize="18" FontWeight="Bold"
+                         Foreground="{DynamicResource Brush.FG2}"
+                         HorizontalAlignment="Center"/>
+
+              <ScrollViewer Grid.Row="1" HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto">
+                <StackPanel Orientation="Vertical" Margin="8,0">
+                  <Border IsVisible="{Binding Old, Converter={x:Static ObjectConverters.IsNotNull}}">
+                    <ContentControl Content="{Binding Old}">
+                      <ContentControl.DataTemplates>
+                        <DataTemplate DataType="m:Commit">
+                          <Border Margin="0,0,0,8" BorderThickness="1" BorderBrush="{DynamicResource Brush.Border1}" Background="{DynamicResource Brush.Window}">
+                            <v:CommitBaseInfo MaxHeight="256" Margin="0,0,0,4" CanNavigate="False" Content="{Binding}"/>
+                          </Border>
+                        </DataTemplate>
+                      </ContentControl.DataTemplates>
+                    </ContentControl>
+                  </Border>
+
+                  <Border Height="16" HorizontalAlignment="Center" Background="Green" CornerRadius="8" IsVisible="{Binding Old, Converter={x:Static ObjectConverters.IsNull}}">
+                    <TextBlock Classes="monospace" Text="{DynamicResource Text.Diff.Submodule.New}" Margin="8,0" FontSize="10"/>
+                  </Border>
+
+                  <Path Width="16" Height="16" Data="{StaticResource Icons.DoubleDown}" HorizontalAlignment="Center" IsVisible="{Binding Old, Converter={x:Static ObjectConverters.IsNotNull}}"/>
+
+                  <Border Margin="0,8,0,0" BorderThickness="1" BorderBrush="Green" Background="{DynamicResource Brush.Window}">
+                    <v:CommitBaseInfo MaxHeight="256" Margin="0,0,0,4" CanNavigate="False" Content="{Binding New}"/>
+                  </Border>
+                </StackPanel>
+              </ScrollViewer>
+            </Grid>
+          </DataTemplate>
+
           <!-- Image Diff -->
           <DataTemplate DataType="m:ImageDiff">
             <Grid RowDefinitions="Auto,*,Auto" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="8,8,8,0">
@@ -175,7 +213,8 @@
 
           <!-- Text Diff -->
           <DataTemplate DataType="m:TextDiff">
-            <v:TextDiffView TextDiff="{Binding}" UseSideBySideDiff="{Binding Source={x:Static vm:Preference.Instance}, Path=UseSideBySideDiff, Mode=OneWay}"/>
+            <v:TextDiffView TextDiff="{Binding}"
+                            UseSideBySideDiff="{Binding Source={x:Static vm:Preference.Instance}, Path=UseSideBySideDiff, Mode=OneWay}"/>
           </DataTemplate>
 
           <!-- No or only EOL changes -->

src/Views/FileHistories.axaml

@@ -86,7 +86,7 @@
                     <Grid Grid.Row="0" ColumnDefinitions="Auto,*,Auto,Auto">
                       <v:Avatar Grid.Column="0" Width="16" Height="16" VerticalAlignment="Center" IsHitTestVisible="False" User="{Binding Author}"/>
                       <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding Author.Name}" Margin="8,0,0,0"/>
-                      <TextBlock Grid.Column="2" Classes="monospace" Text="{Binding SHA, Converter={x:Static c:StringConverters.ToShortSHA}}" Foreground="DarkOrange" Margin="8,0,0,0" TextDecorations="Underline" Cursor="Hand"/>
+                      <TextBlock Grid.Column="2" Classes="monospace" Text="{Binding SHA, Converter={x:Static c:StringConverters.ToShortSHA}}" Foreground="DarkOrange" Margin="8,0,0,0"/>
                       <TextBlock Grid.Column="3" Classes="monospace" Text="{Binding AuthorTimeShortStr}" Foreground="{DynamicResource Brush.FG2}" Margin="8,0,0,0"/>
                     </Grid>
 
@@ -106,12 +106,10 @@
                     BorderThickness="1,0,0,0"
                     BorderBrush="{DynamicResource Brush.Border2}"/>
 
-      <Path Grid.Column="2"
-            Classes="rotating"
-            Width="48" Height="48"
-            Data="{DynamicResource Icons.Loading}"
-            HorizontalAlignment="Center" VerticalAlignment="Center"
-            IsVisible="{Binding IsLoading}"/>
+      <v:LoadingIcon Grid.Column="2" 
+                     Width="48" Height="48" 
+                     HorizontalAlignment="Center" VerticalAlignment="Center"
+                     IsVisible="{Binding IsLoading}"/>
 
       <Grid Grid.Column="2" RowDefinitions="*,3,*" Margin="0,4,4,4" IsVisible="{Binding !IsLoading}">
         <ContentControl Grid.Row="0" Content="{Binding DiffContext}">

src/Views/Histories.axaml

@@ -129,18 +129,14 @@
       </DataGrid>
 
       <v:CommitGraph x:Name="commitGraph"
-                     BindingDataGrid="{Binding #commitDataGrid}"
                      Graph="{Binding Graph}"
                      DotBrush="{DynamicResource Brush.Contents}"
                      HorizontalAlignment="Stretch" VerticalAlignment="Stretch"
                      IsHitTestVisible="False"
                      ClipToBounds="True"/>
 
-      <Path Classes="rotating"
-            Width="48" Height="48"
-            Data="{DynamicResource Icons.Loading}"
-            HorizontalAlignment="Center" VerticalAlignment="Center"
-            IsVisible="{Binding IsLoading}"/>
+      <!-- Fix memory leak -->
+      <v:LoadingIcon Width="48" Height="48" HorizontalAlignment="Center" VerticalAlignment="Center" IsVisible="{Binding IsLoading}"/>
     </Grid>
 
     <GridSplitter Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="3"

src/Views/Histories.axaml.cs

@@ -3,7 +3,6 @@ using System;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
-using Avalonia.Data;
 using Avalonia.Media;
 using Avalonia.VisualTree;
 
@@ -90,15 +89,6 @@ namespace SourceGit.Views
             set => SetValue(GraphProperty, value);
         }
 
-        public static readonly StyledProperty<DataGrid> BindingDataGridProperty =
-            AvaloniaProperty.Register<CommitGraph, DataGrid>(nameof(BindingDataGrid));
-
-        public DataGrid BindingDataGrid
-        {
-            get => GetValue(BindingDataGridProperty);
-            set => SetValue(BindingDataGridProperty, value);
-        }
-
         public static readonly StyledProperty<IBrush> DotBrushProperty =
             AvaloniaProperty.Register<CommitGraph, IBrush>(nameof(DotBrush), Brushes.Transparent);
 
@@ -110,15 +100,16 @@ namespace SourceGit.Views
 
         static CommitGraph()
         {
-            AffectsRender<CommitGraph>(BindingDataGridProperty, GraphProperty, DotBrushProperty);
+            AffectsRender<CommitGraph>(GraphProperty, DotBrushProperty);
         }
 
         public override void Render(DrawingContext context)
         {
             base.Render(context);
 
+            var parent = this.FindAncestorOfType<Histories>();
             var graph = Graph;
-            var grid = BindingDataGrid;
+            var grid = parent.commitDataGrid;
             if (graph == null || grid == null)
                 return;
 
@@ -277,8 +268,6 @@ namespace SourceGit.Views
         public Histories()
         {
             InitializeComponent();
-
-            this.Bind(NavigationIdProperty, new Binding("NavigationId", BindingMode.OneWay));
         }
 
         private void OnCommitDataGridLayoutUpdated(object sender, EventArgs e)
@@ -297,10 +286,10 @@ namespace SourceGit.Views
 
         private void OnCommitDataGridContextRequested(object sender, ContextRequestedEventArgs e)
         {
-            if (DataContext is ViewModels.Histories histories)
+            if (DataContext is ViewModels.Histories histories && sender is DataGrid datagrid)
             {
-                var menu = histories.MakeContextMenu();
-                (sender as Control)?.OpenContextMenu(menu);
+                var menu = histories.MakeContextMenu(datagrid);
+                datagrid.OpenContextMenu(menu);
             }
             e.Handled = true;
         }

src/Views/Launcher.axaml

@@ -121,14 +121,14 @@
                     <Border.ContextMenu>
                       <ContextMenu>
                         <MenuItem Header="{DynamicResource Text.PageTabBar.Tab.Close}"
-                                  Command="{Binding #me.DataContext.(vm:Launcher).CloseTab}"
+                                  Command="{Binding #me.((vm:Launcher)DataContext).CloseTab}"
                                   CommandParameter="{Binding}"
                                   InputGesture="{OnPlatform Ctrl+W, macOS=⌘+W}"/>
                         <MenuItem Header="{DynamicResource Text.PageTabBar.Tab.CloseOther}"
-                                  Command="{Binding #me.DataContext.(vm:Launcher).CloseOtherTabs}"
+                                  Command="{Binding #me.((vm:Launcher)DataContext).CloseOtherTabs}"
                                   CommandParameter="{Binding}"/>
                         <MenuItem Header="{DynamicResource Text.PageTabBar.Tab.CloseRight}"
-                                  Command="{Binding #me.DataContext.(vm:Launcher).CloseRightTabs}"
+                                  Command="{Binding #me.((vm:Launcher)DataContext).CloseRightTabs}"
                                   CommandParameter="{Binding}"/>
                         <MenuItem Header="-" IsVisible="{Binding Node.IsRepository}"/>
                         <MenuItem IsVisible="{Binding Node.IsRepository}">
@@ -166,7 +166,7 @@
                       </ContextMenu>
                     </Border.ContextMenu>
 
-                    <v:LauncherTab UseFixedTabWidth="{Binding Source={x:Static vm:Preference.Instance}, Path=UseFixedTabWidth}" Height="30" ColumnDefinitions="Auto,*,Auto" VerticalAlignment="Center">
+                    <Grid Width="{Binding Source={x:Static vm:Preference.Instance}, Path=UseFixedTabWidth, Converter={x:Static c:BoolConverters.ToPageTabWidth}}" Height="30" ColumnDefinitions="Auto,*,Auto" VerticalAlignment="Center">
                       <Path Grid.Column="0"
                             Width="12" Height="12" Margin="12,0"
                             Fill="{Binding Node.Bookmark, Converter={x:Static c:BookmarkConverters.ToBrush}}"
@@ -200,7 +200,7 @@
                       <Button Grid.Column="2"
                               Classes="icon_button"
                               Width="16" Height="16" Margin="12,0"
-                              Command="{Binding #me.DataContext.(vm:Launcher).CloseTab}"
+                              Command="{Binding #me.((vm:Launcher)DataContext).CloseTab}"
                               CommandParameter="{Binding}">
                         <ToolTip.Tip>
                           <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
@@ -215,11 +215,11 @@
                           <MultiBinding Converter="{x:Static c:LauncherPageConverters.ToTabSeperatorVisible}">
                             <Binding/>
                             <Binding Path="$parent[ListBox].SelectedItem"/>
-                            <Binding Path="#me.DataContext.(vm:Launcher).Pages"/>
+                            <Binding Path="#me.((vm:Launcher)DataContext).Pages"/>
                           </MultiBinding>
                         </Rectangle.IsVisible>
                       </Rectangle>
-                    </v:LauncherTab>
+                    </Grid>
                   </Border>
                 </DataTemplate>
               </ListBox.ItemTemplate>
@@ -253,7 +253,17 @@
     </Grid>
 
     <!-- Page body -->
-    <v:LauncherBody Grid.Row="1" Background="{DynamicResource Brush.ToolBar}" Data="{Binding ActivePage.Data}"/>
+    <ContentControl Grid.Row="1" Background="{DynamicResource Brush.ToolBar}" Content="{Binding ActivePage.Data}">
+      <ContentControl.DataTemplates>
+        <DataTemplate DataType="vm:Welcome">
+          <v:Welcome/>
+        </DataTemplate>
+
+        <DataTemplate DataType="vm:Repository">
+          <v:Repository/>
+        </DataTemplate>
+      </ContentControl.DataTemplates>
+    </ContentControl>
 
     <!-- Popup container -->
     <Grid Grid.Row="1" Margin="0,36,0,0" IsVisible="{Binding ActivePage.Popup, Converter={x:Static ObjectConverters.IsNotNull}}">
@@ -275,11 +285,7 @@
                 </Border.BorderThickness>
 
                 <Border.Effect>
-                  <OnPlatform>
-                    <On Options="Windows, macOS">
-                      <DropShadowEffect BlurRadius="8" OffsetX="0" OffsetY="0" Color="Black" Opacity=".5"/>
-                    </On>
-                  </OnPlatform>
+                  <OnPlatform Default="drop-shadow(0 0 8 #8F000000)" Linux="{x:Null}"/>
                 </Border.Effect>
                 
                 <StackPanel Margin="8" Orientation="Vertical">
@@ -307,23 +313,9 @@
                   </StackPanel>
 
                   <!-- Running -->
-                  <StackPanel Orientation="Vertical" Margin="8" IsVisible="{Binding InProgress}">
-                    <Rectangle Height="1" Margin="-8,0" HorizontalAlignment="Stretch" Fill="{DynamicResource Brush.Border1}" />
-                    <StackPanel Orientation="Horizontal" Margin="0,8">
-                      <Path Width="12" Height="12" Classes="waiting" Data="{StaticResource Icons.Waiting}" IsVisible="{Binding InProgress}"/>
-                      <TextBlock Margin="6,0,0,0" FontSize="14" FontWeight="Bold" Text="{DynamicResource Text.Running}"/>
-                    </StackPanel>
-                    <TextBlock HorizontalAlignment="Stretch"
-                               TextWrapping="Wrap"
-                               FontSize="{Binding Source={x:Static vm:Preference.Instance}, Path=DefaultFontSize, Converter={x:Static c:FontSizeModifyConverters.Decrease}}"
-                               FontStyle="Italic"
-                               Text="{Binding ProgressDescription}"/>
-                    <ProgressBar Margin="0,8,0,0"
-                                 HorizontalAlignment="Stretch"
-                                 IsIndeterminate="True"
-                                 Background="{DynamicResource Brush.FG2}" Foreground="{DynamicResource Brush.Accent}"
-                                 Minimum="0" Maximum="100"/>
-                  </StackPanel>
+                  <v:PopupRunningStatus Margin="8"
+                                        Description="{Binding ProgressDescription}"
+                                        IsVisible="{Binding InProgress}"/>
                 </StackPanel>
               </Border>
             </DataTemplate>
@@ -360,11 +352,11 @@
                            Margin="8" Padding="0"
                            VerticalContentAlignment="Top"
                            Text="{Binding Message}"/>
-                  <Button Grid.Row="3"
+                  <Button Grid.Row="2"
                           Classes="flat primary"
                           Height="30"
                           Margin="4,0"
-                          Command="{Binding #me.DataContext.(vm:Launcher).ActivePage.DismissNotification}"
+                          Command="{Binding #me.((vm:Launcher)DataContext).ActivePage.DismissNotification}"
                           CommandParameter="{Binding}"
                           Content="{DynamicResource Text.Close}"
                           HorizontalAlignment="Right"

src/Views/Launcher.axaml.cs

@@ -7,67 +7,6 @@ using Avalonia.Interactivity;
 
 namespace SourceGit.Views
 {
-    public class LauncherTab : Grid
-    {
-        public static readonly StyledProperty<bool> UseFixedTabWidthProperty =
-            AvaloniaProperty.Register<LauncherTab, bool>(nameof(UseFixedTabWidth), false);
-
-        public bool UseFixedTabWidth
-        {
-            get => GetValue(UseFixedTabWidthProperty);
-            set => SetValue(UseFixedTabWidthProperty, value);
-        }
-
-        protected override Type StyleKeyOverride => typeof(Grid);
-
-        static LauncherTab()
-        {
-            UseFixedTabWidthProperty.Changed.AddClassHandler<LauncherTab>((tab, ev) =>
-            {
-                tab.Width = tab.UseFixedTabWidth ? 200.0 : double.NaN;
-            });
-        }
-    }
-
-    public class LauncherBody : Border
-    {
-        public static readonly StyledProperty<object> DataProperty =
-            AvaloniaProperty.Register<LauncherBody, object>(nameof(Data), false);
-
-        public object Data
-        {
-            get => GetValue(DataProperty);
-            set => SetValue(DataProperty, value);
-        }
-
-        protected override Type StyleKeyOverride => typeof(Border);
-
-        static LauncherBody()
-        {
-            DataProperty.Changed.AddClassHandler<LauncherBody>((body, ev) =>
-            {
-                var data = body.Data;
-
-                if (data == null)
-                {
-                    body.Child = null;
-                }
-                else if (data is ViewModels.Welcome)
-                {
-                    body.Child = new Welcome { DataContext = data };
-                }
-                else if (data is ViewModels.Repository)
-                {
-                    body.Child = new Repository { DataContext = data };
-                }
-                else
-                {
-                    body.Child = null;
-                }
-            });
-        }
-    }
-
     public partial class Launcher : Window, Models.INotificationReceiver
     {
         public Launcher()

src/Views/LoadingIcon.axaml

@@ -0,0 +1,8 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             xmlns:m="using:SourceGit.Models"
+             x:Class="SourceGit.Views.LoadingIcon">
+</UserControl>

src/Views/LoadingIcon.axaml.cs

@@ -0,0 +1,61 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.Shapes;
+using Avalonia.Interactivity;
+using Avalonia.Media;
+
+namespace SourceGit.Views
+{
+    public partial class LoadingIcon : UserControl
+    {
+        public LoadingIcon()
+        {
+            IsHitTestVisible = false;
+            InitializeComponent();
+        }
+
+        protected override void OnLoaded(RoutedEventArgs e)
+        {
+            base.OnLoaded(e);
+
+            if (IsVisible) 
+                StartAnim();
+        }
+
+        protected override void OnUnloaded(RoutedEventArgs e)
+        {
+            StopAnim();
+            base.OnUnloaded(e);
+        }
+
+        protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
+        {
+            base.OnPropertyChanged(change);
+
+            if (change.Property == IsVisibleProperty)
+            {
+                if (IsVisible)
+                    StartAnim();
+                else
+                    StopAnim();                
+            }
+        }
+
+        private void StartAnim()
+        {
+            Content = new Path()
+            {
+                Data = this.FindResource("Icons.Loading") as StreamGeometry,
+                Classes = { "rotating" },
+            };
+        }
+
+        private void StopAnim()
+        {
+            if (Content is Path path)
+                path.Classes.Clear();
+
+            Content = null;
+        }
+    }
+}

src/Views/PopupRunningStatus.axaml

@@ -0,0 +1,31 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:vm="using:SourceGit.ViewModels"
+             xmlns:c="using:SourceGit.Converters"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="SourceGit.Views.PopupRunningStatus"
+             x:Name="me">
+  <StackPanel Orientation="Vertical">
+    <Rectangle Height="1" Margin="-8,0" HorizontalAlignment="Stretch" Fill="{DynamicResource Brush.Border1}" />
+    
+    <StackPanel Orientation="Horizontal" Margin="0,8">
+      <ContentPresenter x:Name="icon" Width="12" Height="12"/>
+      <TextBlock Margin="6,0,0,0" FontSize="14" FontWeight="Bold" Text="{DynamicResource Text.Running}"/>
+    </StackPanel>
+    
+    <TextBlock x:Name="txtDesc"
+               HorizontalAlignment="Stretch"
+               TextWrapping="Wrap"
+               FontSize="{Binding Source={x:Static vm:Preference.Instance}, Path=DefaultFontSize, Converter={x:Static c:FontSizeModifyConverters.Decrease}}"
+               FontStyle="Italic"
+               Text="{Binding #me.Description}"/>
+    
+    <ProgressBar x:Name="progressBar"
+                 Margin="0,8,0,0"
+                 HorizontalAlignment="Stretch"
+                 Background="{DynamicResource Brush.FG2}" Foreground="{DynamicResource Brush.Accent}"
+                 Minimum="0" Maximum="100"/>
+  </StackPanel>
+</UserControl>

src/Views/PopupRunningStatus.axaml.cs

@@ -0,0 +1,70 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.Shapes;
+using Avalonia.Interactivity;
+using Avalonia.Media;
+
+namespace SourceGit.Views
+{
+    public partial class PopupRunningStatus : UserControl
+    {
+        public static readonly StyledProperty<string> DescriptionProperty =
+            AvaloniaProperty.Register<PopupRunningStatus, string>(nameof(Description));
+
+        public string Description
+        {
+            get => GetValue(DescriptionProperty);
+            set => SetValue(DescriptionProperty, value);
+        }
+
+        public PopupRunningStatus()
+        {
+            InitializeComponent();
+        }
+
+        protected override void OnLoaded(RoutedEventArgs e)
+        {
+            base.OnLoaded(e);
+
+            if (IsVisible)
+                StartAnim();
+        }
+
+        protected override void OnUnloaded(RoutedEventArgs e)
+        {
+            StopAnim();
+            base.OnUnloaded(e);
+        }
+
+        protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
+        {
+            base.OnPropertyChanged(change);
+
+            if (change.Property == IsVisibleProperty)
+            {
+                if (IsVisible)
+                    StartAnim();
+                else
+                    StopAnim();
+            }
+        }
+
+        private void StartAnim()
+        {
+            icon.Content = new Path()
+            {
+                Data = this.FindResource("Icons.Waiting") as StreamGeometry,
+                Classes = { "waiting" },
+            };
+            progressBar.IsIndeterminate = true;
+        }
+
+        private void StopAnim()
+        {
+            if (icon.Content is Path path)
+                path.Classes.Clear();
+            icon.Content = null;
+            progressBar.IsIndeterminate = false;
+        }
+    }
+}

src/Views/Preference.axaml

@@ -5,6 +5,7 @@
         xmlns:sys="clr-namespace:System;assembly=mscorlib"
         xmlns:m="using:SourceGit.Models"
         xmlns:c="using:SourceGit.Converters"
+        xmlns:ac="using:Avalonia.Controls.Converters"
         xmlns:vm="using:SourceGit.ViewModels"
         xmlns:v="using:SourceGit.Views"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
@@ -251,8 +252,18 @@
                        Text="{DynamicResource Text.Preference.Git.Version}"
                        HorizontalAlignment="Right"
                        Margin="0,0,16,0"/>
-            <TextBlock Grid.Row="1" Grid.Column="1"
-                       x:Name="txtVersion"/>
+            <StackPanel Grid.Row="1" Grid.Column="1" Orientation="Horizontal">
+              <TextBlock Classes="monospace" 
+                         Margin="0,0,8,0"
+                         Text="{Binding #me.GitVersion}" 
+                         IsVisible="{Binding #me.GitVersion, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"/>
+
+              <Border Background="Transparent"
+                      ToolTip.Tip="{DynamicResource Text.Preference.Git.Invalid}"
+                      IsVisible="{Binding #me.GitVersion, Converter={x:Static c:StringConverters.UnderRecommendGitVersion}}">
+                <Path Width="14" Height="14" Data="{StaticResource Icons.Error}" Fill="Red"/>
+              </Border>
+            </StackPanel>
 
             <Border Grid.Row="2" Grid.Column="0"
                     Height="32"
@@ -394,15 +405,40 @@
             <TextBlock Classes="tab_header" Text="{DynamicResource Text.Preference.GPG}"/>
           </TabItem.Header>
           
-          <Grid Margin="8" RowDefinitions="32,32,32" ColumnDefinitions="Auto,*">
+          <TabItem.Resources>
+            <ac:EnumToBoolConverter x:Key="EnumToBoolConverter"/>
+          </TabItem.Resources>
+
+          <Grid Margin="8" RowDefinitions="32,32,32,32,32" ColumnDefinitions="Auto,*">
             <TextBlock Grid.Row="0" Grid.Column="0"
+                       Text="{DynamicResource Text.Preference.GPG.Format}"
+                       HorizontalAlignment="Right"
+                       Margin="0,0,16,0"/>
+            <ComboBox Grid.Row="0" Grid.Column="1"
+                      MinHeight="28"
+                      Padding="8,0"
+                      HorizontalAlignment="Stretch"
+                      ItemsSource="{Binding Source={x:Static m:GPGFormat.Supported}}"
+                      SelectedItem="{Binding #me.GPGFormat, Mode=TwoWay, FallbackValue={x:Static m:GPGFormat.OPENPGP}}">
+              <ComboBox.ItemTemplate>
+                <DataTemplate x:DataType="{x:Type m:GPGFormat}">
+                  <Grid ColumnDefinitions="Auto,*">
+                    <TextBlock Grid.Column="0" Text="{Binding Name}"/>
+                    <TextBlock Grid.Column="1" Text="{Binding Desc}" Foreground="{DynamicResource Brush.FG2}" HorizontalAlignment="Right"/>
+                  </Grid>
+                </DataTemplate>
+              </ComboBox.ItemTemplate>
+            </ComboBox>
+
+            <TextBlock Grid.Row="1" Grid.Column="0"
                        Text="{DynamicResource Text.Preference.GPG.Path}"
                        HorizontalAlignment="Right"
                        Margin="0,0,16,0"/>
-            <TextBox Grid.Row="0" Grid.Column="1"
+            <TextBox Grid.Row="1" Grid.Column="1"
                      Height="28"
                      CornerRadius="3"
-                     Text="{Binding #me.GPGExecutableFile, Mode=TwoWay}">
+                     Text="{Binding #me.GPGExecutableFile, Mode=TwoWay}"
+                     IsEnabled="{Binding #me.GPGFormat, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static m:GPGFormat.OPENPGP}}">
               <TextBox.InnerRightContent>
                 <Button Classes="icon_button" Width="30" Height="30" Click="SelectGPGExecutable">
                   <Path Data="{StaticResource Icons.Folder.Open}" Fill="{DynamicResource Brush.FG1}"/>
@@ -410,19 +446,23 @@
               </TextBox.InnerRightContent>
             </TextBox>
 
-            <TextBlock Grid.Row="1" Grid.Column="0"
+            <TextBlock Grid.Row="2" Grid.Column="0"
                        Text="{DynamicResource Text.Preference.GPG.UserKey}"
                        HorizontalAlignment="Right"
                        Margin="0,0,16,0"/>
-            <TextBox Grid.Row="1" Grid.Column="1"
+            <TextBox Grid.Row="2" Grid.Column="1"
                      Height="28"
                      CornerRadius="3"
                      Text="{Binding #me.GPGUserKey, Mode=TwoWay}"
                      Watermark="{DynamicResource Text.Preference.GPG.UserKey.Placeholder}"/>
 
-            <CheckBox Grid.Row="2" Grid.Column="1"
-                      Content="{DynamicResource Text.Preference.GPG.Enabled}"
-                      IsChecked="{Binding #me.EnableGPGSigning, Mode=TwoWay}"/>
+            <CheckBox Grid.Row="3" Grid.Column="1"
+                      Content="{DynamicResource Text.Preference.GPG.CommitEnabled}"
+                      IsChecked="{Binding #me.EnableGPGCommitSigning, Mode=TwoWay}"/>
+
+            <CheckBox Grid.Row="4" Grid.Column="1"
+                      Content="{DynamicResource Text.Preference.GPG.TagEnabled}"
+                      IsChecked="{Binding #me.EnableGPGTagSigning, Mode=TwoWay}"/>
           </Grid>
         </TabItem>
 

src/Views/Preference.axaml.cs

@@ -45,12 +45,36 @@ namespace SourceGit.Views
             set;
         }
 
-        public bool EnableGPGSigning
+        public static readonly StyledProperty<string> GitVersionProperty =
+            AvaloniaProperty.Register<Preference, string>(nameof(GitVersion));
+
+        public string GitVersion
+        {
+            get => GetValue(GitVersionProperty);
+            set => SetValue(GitVersionProperty, value);
+        }
+
+        public bool EnableGPGCommitSigning
         {
             get;
             set;
         }
 
+        public bool EnableGPGTagSigning
+        {
+            get;
+            set;
+        }
+
+        public static readonly StyledProperty<Models.GPGFormat> GPGFormatProperty =
+            AvaloniaProperty.Register<Preference, Models.GPGFormat>(nameof(GPGFormat));
+
+        public Models.GPGFormat GPGFormat
+        {
+            get => GetValue(GPGFormatProperty);
+            set => SetValue(GPGFormatProperty, value);
+        }
+
         public static readonly StyledProperty<string> GPGExecutableFileProperty =
             AvaloniaProperty.Register<Preference, string>(nameof(GPGExecutableFile));
 
@@ -131,8 +155,14 @@ namespace SourceGit.Views
                     GPGUserKey = signingKey;
                 if (config.TryGetValue("core.autocrlf", out var crlf))
                     CRLFMode = Models.CRLFMode.Supported.Find(x => x.Value == crlf);
-                if (config.TryGetValue("commit.gpgsign", out var gpgsign))
-                    EnableGPGSigning = (gpgsign == "true");
+                if (config.TryGetValue("commit.gpgsign", out var gpgCommitSign))
+                    EnableGPGCommitSigning = (gpgCommitSign == "true");
+                if (config.TryGetValue("tag.gpgSign", out var gpgTagSign))
+                    EnableGPGTagSigning = (gpgTagSign == "true");
+                if (config.TryGetValue("gpg.format", out var gpgFormat))
+                    GPGFormat = Models.GPGFormat.Supported.Find(x => x.Value == gpgFormat);
+                else
+                    GPGFormat = Models.GPGFormat.OPENPGP;
                 if (config.TryGetValue("gpg.program", out var gpgProgram))
                     GPGExecutableFile = gpgProgram;
 
@@ -140,7 +170,7 @@ namespace SourceGit.Views
             }
 
             InitializeComponent();
-            txtVersion.Text = ver;
+            GitVersion = ver;
         }
 
         private void BeginMoveWindow(object sender, PointerPressedEventArgs e)
@@ -157,7 +187,9 @@ namespace SourceGit.Views
             var oldEmail = config.TryGetValue("user.email", out var email) ? email : string.Empty;
             var oldGPGSignKey = config.TryGetValue("user.signingkey", out var signingKey) ? signingKey : string.Empty;
             var oldCRLF = config.TryGetValue("core.autocrlf", out var crlf) ? crlf : string.Empty;
-            var oldGPGSignEnable = config.TryGetValue("commit.gpgsign", out var gpgsign) ? gpgsign : "false";
+            var oldGPGFormat = config.TryGetValue("gpg.format", out var gpgFormat) ? gpgFormat : Models.GPGFormat.OPENPGP.Value;
+            var oldGPGCommitSignEnable = config.TryGetValue("commit.gpgsign", out var gpgCommitSign) ? gpgCommitSign : "false";
+            var oldGPGTagSignEnable = config.TryGetValue("tag.gpgSign", out var gpgTagSign) ? gpgTagSign : "false";
             var oldGPGExec = config.TryGetValue("gpg.program", out var program) ? program : string.Empty;
 
             if (DefaultUser != oldUser)
@@ -168,8 +200,12 @@ namespace SourceGit.Views
                 cmd.Set("user.signingkey", GPGUserKey);
             if (CRLFMode != null && CRLFMode.Value != oldCRLF)
                 cmd.Set("core.autocrlf", CRLFMode.Value);
-            if (EnableGPGSigning != (oldGPGSignEnable == "true"))
-                cmd.Set("commit.gpgsign", EnableGPGSigning ? "true" : "false");
+            if (EnableGPGCommitSigning != (oldGPGCommitSignEnable == "true"))
+                cmd.Set("commit.gpgsign", EnableGPGCommitSigning ? "true" : "false");
+            if (EnableGPGTagSigning != (oldGPGTagSignEnable == "true"))
+                cmd.Set("tag.gpgSign", EnableGPGTagSigning ? "true" : "false");
+            if (GPGFormat != null && GPGFormat.Value != oldGPGFormat)
+                cmd.Set("gpg.format", GPGFormat.Value);
             if (GPGExecutableFile != oldGPGExec)
                 cmd.Set("gpg.program", GPGExecutableFile);
 
@@ -189,7 +225,7 @@ namespace SourceGit.Views
             if (selected.Count == 1)
             {
                 ViewModels.Preference.Instance.GitInstallPath = selected[0].Path.LocalPath;
-                txtVersion.Text = new Commands.Version().Query();
+                GitVersion = new Commands.Version().Query();
             }
 
             e.Handled = true;

src/Views/Pull.axaml

@@ -5,6 +5,7 @@
              xmlns:m="using:SourceGit.Models"
              xmlns:vm="using:SourceGit.ViewModels"
              xmlns:c="using:SourceGit.Converters"
+             xmlns:ac="using:Avalonia.Controls.Converters"
              mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="450"
              x:Class="SourceGit.Views.Pull"
              x:DataType="vm:Pull">
@@ -12,7 +13,7 @@
     <TextBlock FontSize="18"
                Classes="bold"
                Text="{DynamicResource Text.Pull.Title}"/>
-    <Grid Margin="0,16,0,0" RowDefinitions="32,32,32,32,32" ColumnDefinitions="150,*">
+    <Grid Margin="0,16,0,0" RowDefinitions="32,32,32,32,32" ColumnDefinitions="140,*">
       <TextBlock Grid.Column="0"
                  HorizontalAlignment="Right" VerticalAlignment="Center"
                  Margin="0,0,8,0"
@@ -58,17 +59,35 @@
                  Margin="0,0,8,0"
                  Text="{DynamicResource Text.Pull.Into}"/>
       <StackPanel Grid.Row="2" Grid.Column="1" Orientation="Horizontal" Height="20" VerticalAlignment="Center">
-        <Path Margin="0,0,8,0" Width="14" Height="14" Fill="{DynamicResource Brush.FG1}" Data="{StaticResource Icons.Branch}"/>
+        <Path Margin="2,0,8,0" Width="14" Height="14" Fill="{DynamicResource Brush.FG1}" Data="{StaticResource Icons.Branch}"/>
         <TextBlock Text="{Binding Current.Name}"/>
       </StackPanel>
 
-      <CheckBox Grid.Row="3" Grid.Column="1"
-                Content="{DynamicResource Text.Pull.UseRebase}"
-                IsChecked="{Binding UseRebase, Mode=TwoWay}"/>
+      <TextBlock Grid.Row="3" Grid.Column="0"
+                 HorizontalAlignment="Right" VerticalAlignment="Center"
+                 Margin="0,0,8,0"
+                 Text="{DynamicResource Text.Pull.LocalChanges}"/>
+      <StackPanel Grid.Row="3" Grid.Column="1" Orientation="Horizontal">
+        <StackPanel.Resources>
+          <ac:EnumToBoolConverter x:Key="EnumToBoolConverter"/>
+        </StackPanel.Resources>
+
+        <RadioButton Content="{DynamicResource Text.Pull.LocalChanges.StashAndReply}"
+                     GroupName="LocalChanges"
+                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static m:DealWithLocalChanges.StashAndReaply}}"/>
+        <RadioButton Content="{DynamicResource Text.Pull.LocalChanges.Discard}"
+                     GroupName="LocalChanges"
+                     Margin="8,0,0,0"
+                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static m:DealWithLocalChanges.Discard}}"/>
+        <RadioButton Content="{DynamicResource Text.Pull.LocalChanges.DoNothing}"
+                     GroupName="LocalChanges"
+                     Margin="8,0,0,0"
+                     IsChecked="{Binding PreAction, Mode=TwoWay, Converter={StaticResource EnumToBoolConverter}, ConverterParameter={x:Static m:DealWithLocalChanges.DoNothing}}"/>
+      </StackPanel>
 
       <CheckBox Grid.Row="4" Grid.Column="1"
-                Content="{DynamicResource Text.Pull.AutoStash}"
-                IsChecked="{Binding AutoStash, Mode=TwoWay}"/>
+                Content="{DynamicResource Text.Pull.UseRebase}"
+                IsChecked="{Binding UseRebase, Mode=TwoWay}"/>
     </Grid>
   </StackPanel>
 </UserControl>

src/Views/Repository.axaml

@@ -22,7 +22,7 @@
             <Path Width="13" Height="13" Data="{StaticResource Icons.Terminal}"/>
           </Button>
 
-          <Button Classes="icon_button" Width="32" Click="OnOpenWithExternalTools" ToolTip.Tip="{DynamicResource Text.Repository.OpenWithExternalTools}">
+          <Button Classes="icon_button" Width="32" Click="OpenWithExternalTools" ToolTip.Tip="{DynamicResource Text.Repository.OpenWithExternalTools}">
             <Path Width="13" Height="13" Data="{StaticResource Icons.OpenWith}"/>
           </Button>
           
@@ -222,7 +222,7 @@
           </TreeView.Styles>
           <TreeView.ItemTemplate>
             <TreeDataTemplate ItemsSource="{Binding Children}" x:DataType="{x:Type vm:BranchTreeNode}">
-              <Grid Height="24" ColumnDefinitions="20,*,Auto,Auto" Background="Transparent" DoubleTapped="OnDoubleTappedLocalBranchNode">
+              <Grid Height="24" ColumnDefinitions="20,*,Auto,Auto" Background="Transparent" DoubleTapped="OnDoubleTappedBranchNode">
                 <Path Grid.Column="0" Classes="folder_icon" Width="12" Height="12" HorizontalAlignment="Left" Margin="0,1,0,0" IsVisible="{Binding IsFolder}"/>
                 <Path Grid.Column="0" Width="12" Height="12" HorizontalAlignment="Left" Margin="0,2,0,0" Data="{StaticResource Icons.Check}" IsVisible="{Binding IsCurrent}" VerticalAlignment="Center"/>
                 <Path Grid.Column="0" Width="12" Height="12" HorizontalAlignment="Left" Margin="2,0,0,0" Data="{StaticResource Icons.Branch}" VerticalAlignment="Center">
@@ -287,7 +287,7 @@
 
           <TreeView.ItemTemplate>
             <TreeDataTemplate ItemsSource="{Binding Children}" x:DataType="{x:Type vm:BranchTreeNode}">
-              <Grid Height="24" ColumnDefinitions="20,*,Auto" Background="Transparent">
+              <Grid Height="24" ColumnDefinitions="20,*,Auto" Background="Transparent" DoubleTapped="OnDoubleTappedBranchNode">
                 <Path Grid.Column="0" Classes="folder_icon" Width="10" Height="10" HorizontalAlignment="Left" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" VerticalAlignment="Center"/>
                 <Path Grid.Column="0" Width="12" Height="12" HorizontalAlignment="Left" Margin="0,2,0,0" Data="{StaticResource Icons.Remote}" IsVisible="{Binding IsRemote}" VerticalAlignment="Center"/>
                 <Path Grid.Column="0" Width="12" Height="12" HorizontalAlignment="Left" Margin="2,0,0,0" Data="{StaticResource Icons.Branch}" IsVisible="{Binding IsBranch}" VerticalAlignment="Center"/>
@@ -589,7 +589,21 @@
           <Button Grid.Column="3" Classes="flat" FontWeight="Regular" Content="{DynamicResource Text.Repository.Abort}" Height="20" Padding="8,0" Margin="4,0" Command="{Binding AbortMerge}"/>
         </Grid>
 
-        <v:RepositorySubView Grid.Row="1" Data="{Binding SelectedView}"/>
+        <ContentControl Grid.Row="1" Content="{Binding SelectedView}">
+          <ContentControl.DataTemplates>
+            <DataTemplate DataType="vm:Histories">
+              <v:Histories NavigationId="{Binding NavigationId}"/>
+            </DataTemplate>
+
+            <DataTemplate DataType="vm:WorkingCopy">
+              <v:WorkingCopy/>
+            </DataTemplate>
+
+            <DataTemplate DataType="vm:StashesPage">
+              <v:StashesPage/>
+            </DataTemplate>
+          </ContentControl.DataTemplates>
+        </ContentControl>
       </Grid>
     </Grid>
   </Grid>

src/Views/Repository.axaml.cs

@@ -11,51 +11,6 @@ using Avalonia.VisualTree;
 
 namespace SourceGit.Views
 {
-    public class RepositorySubView : Border
-    {
-        public static readonly StyledProperty<object> DataProperty =
-            AvaloniaProperty.Register<RepositorySubView, object>(nameof(Data), false);
-
-        public object Data
-        {
-            get => GetValue(DataProperty);
-            set => SetValue(DataProperty, value);
-        }
-
-        protected override Type StyleKeyOverride => typeof(Border);
-
-        static RepositorySubView()
-        {
-            DataProperty.Changed.AddClassHandler<RepositorySubView>((view, ev) =>
-            {
-                var data = view.Data;
-
-                if (data == null)
-                {
-                    view.Child = null;
-                }
-                else if (data is ViewModels.Histories)
-                {
-                    view.Child = new Histories { DataContext = data };
-                }
-                else if (data is ViewModels.WorkingCopy)
-                {
-                    view.Child = new WorkingCopy { DataContext = data };
-                }
-                else if (data is ViewModels.StashesPage)
-                {
-                    view.Child = new StashesPage { DataContext = data };
-                }
-                else
-                {
-                    view.Child = null;
-                }
-
-                GC.Collect();
-            });
-        }
-    }
-
     public partial class Repository : UserControl
     {
         public Repository()
@@ -63,7 +18,7 @@ namespace SourceGit.Views
             InitializeComponent();
         }
 
-        private void OnOpenWithExternalTools(object sender, RoutedEventArgs e)
+        private void OpenWithExternalTools(object sender, RoutedEventArgs e)
         {
             if (sender is Button button && DataContext is ViewModels.Repository repo)
             {
@@ -73,6 +28,58 @@ namespace SourceGit.Views
             }
         }
 
+        private void OpenGitFlowMenu(object sender, RoutedEventArgs e)
+        {
+            if (DataContext is ViewModels.Repository repo)
+            {
+                var menu = repo.CreateContextMenuForGitFlow();
+                (sender as Control)?.OpenContextMenu(menu);
+            }
+
+            e.Handled = true;
+        }
+
+        private async void OpenStatistics(object sender, RoutedEventArgs e)
+        {
+            if (DataContext is ViewModels.Repository repo)
+            {
+                var dialog = new Statistics() { DataContext = new ViewModels.Statistics(repo.FullPath) };
+                await dialog.ShowDialog(TopLevel.GetTopLevel(this) as Window);
+                e.Handled = true;
+            }
+        }
+
+        private void OnSearchCommitPanelPropertyChanged(object sender, AvaloniaPropertyChangedEventArgs e)
+        {
+            var grid = sender as Grid;
+            if (e.Property == IsVisibleProperty && grid.IsVisible)
+                txtSearchCommitsBox.Focus();
+        }
+
+        private void OnSearchKeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key == Key.Enter)
+            {
+                if (DataContext is ViewModels.Repository repo)
+                    repo.StartSearchCommits();
+
+                e.Handled = true;
+            }
+        }
+
+        private void OnSearchResultDataGridSelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (sender is DataGrid datagrid && datagrid.SelectedItem != null)
+            {
+                if (DataContext is ViewModels.Repository repo)
+                {
+                    var commit = datagrid.SelectedItem as Models.Commit;
+                    repo.NavigateToCommit(commit.SHA);
+                }
+            }
+            e.Handled = true;
+        }
+
         private void OnLocalBranchTreeSelectionChanged(object sender, SelectionChangedEventArgs e)
         {
             if (sender is TreeView tree && tree.SelectedItem != null && DataContext is ViewModels.Repository repo)
@@ -113,74 +120,6 @@ namespace SourceGit.Views
             }
         }
 
-        private void OnTagDataGridSelectionChanged(object sender, SelectionChangedEventArgs e)
-        {
-            if (sender is DataGrid datagrid && datagrid.SelectedItem != null)
-            {
-                localBranchTree.UnselectAll();
-                remoteBranchTree.UnselectAll();
-
-                var tag = datagrid.SelectedItem as Models.Tag;
-                if (DataContext is ViewModels.Repository repo)
-                    repo.NavigateToCommit(tag.SHA);
-            }
-        }
-
-        private void OnSearchCommitPanelPropertyChanged(object sender, AvaloniaPropertyChangedEventArgs e)
-        {
-            var grid = sender as Grid;
-            if (e.Property == IsVisibleProperty && grid.IsVisible)
-                txtSearchCommitsBox.Focus();
-        }
-
-        private void OnSearchKeyDown(object sender, KeyEventArgs e)
-        {
-            if (e.Key == Key.Enter)
-            {
-                if (DataContext is ViewModels.Repository repo)
-                    repo.StartSearchCommits();
-
-                e.Handled = true;
-            }
-        }
-
-        private void OnSearchResultDataGridSelectionChanged(object sender, SelectionChangedEventArgs e)
-        {
-            if (sender is DataGrid datagrid && datagrid.SelectedItem != null)
-            {
-                if (DataContext is ViewModels.Repository repo)
-                {
-                    var commit = datagrid.SelectedItem as Models.Commit;
-                    repo.NavigateToCommit(commit.SHA);
-                }
-            }
-            e.Handled = true;
-        }
-
-        private void OnToggleFilter(object sender, RoutedEventArgs e)
-        {
-            if (sender is ToggleButton toggle)
-            {
-                var filter = string.Empty;
-                if (toggle.DataContext is ViewModels.BranchTreeNode node)
-                {
-                    if (node.IsBranch)
-                        filter = (node.Backend as Models.Branch).FullName;
-                }
-                else if (toggle.DataContext is Models.Tag tag)
-                {
-                    filter = tag.Name;
-                }
-
-                if (!string.IsNullOrEmpty(filter) && DataContext is ViewModels.Repository repo)
-                {
-                    repo.UpdateFilter(filter, toggle.IsChecked == true);
-                }
-            }
-
-            e.Handled = true;
-        }
-
         private void OnLocalBranchContextMenuRequested(object sender, ContextRequestedEventArgs e)
         {
             remoteBranchTree.UnselectAll();
@@ -286,6 +225,39 @@ namespace SourceGit.Views
             e.Handled = true;
         }
 
+        private void OnDoubleTappedBranchNode(object sender, TappedEventArgs e)
+        {
+            if (!ViewModels.PopupHost.CanCreatePopup())
+                return;
+
+            if (sender is Grid grid && DataContext is ViewModels.Repository repo)
+            {
+                var node = grid.DataContext as ViewModels.BranchTreeNode;
+                if (node != null && node.IsBranch)
+                {
+                    var branch = node.Backend as Models.Branch;
+                    if (branch.IsCurrent)
+                        return;
+
+                    repo.CheckoutBranch(branch);
+                    e.Handled = true;
+                }
+            }
+        }
+
+        private void OnTagDataGridSelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (sender is DataGrid datagrid && datagrid.SelectedItem != null)
+            {
+                localBranchTree.UnselectAll();
+                remoteBranchTree.UnselectAll();
+
+                var tag = datagrid.SelectedItem as Models.Tag;
+                if (DataContext is ViewModels.Repository repo)
+                    repo.NavigateToCommit(tag.SHA);
+            }
+        }
+
         private void OnTagContextRequested(object sender, ContextRequestedEventArgs e)
         {
             if (sender is DataGrid datagrid && datagrid.SelectedItem != null && DataContext is ViewModels.Repository repo)
@@ -298,6 +270,30 @@ namespace SourceGit.Views
             e.Handled = true;
         }
 
+        private void OnToggleFilter(object sender, RoutedEventArgs e)
+        {
+            if (sender is ToggleButton toggle)
+            {
+                var filter = string.Empty;
+                if (toggle.DataContext is ViewModels.BranchTreeNode node)
+                {
+                    if (node.IsBranch)
+                        filter = (node.Backend as Models.Branch).FullName;
+                }
+                else if (toggle.DataContext is Models.Tag tag)
+                {
+                    filter = tag.Name;
+                }
+
+                if (!string.IsNullOrEmpty(filter) && DataContext is ViewModels.Repository repo)
+                {
+                    repo.UpdateFilter(filter, toggle.IsChecked == true);
+                }
+            }
+
+            e.Handled = true;
+        }
+
         private void OnSubmoduleContextRequested(object sender, ContextRequestedEventArgs e)
         {
             if (sender is DataGrid datagrid && datagrid.SelectedItem != null && DataContext is ViewModels.Repository repo)
@@ -310,17 +306,6 @@ namespace SourceGit.Views
             e.Handled = true;
         }
 
-        private void OpenGitFlowMenu(object sender, RoutedEventArgs e)
-        {
-            if (DataContext is ViewModels.Repository repo)
-            {
-                var menu = repo.CreateContextMenuForGitFlow();
-                (sender as Control)?.OpenContextMenu(menu);
-            }
-
-            e.Handled = true;
-        }
-
         private async void UpdateSubmodules(object sender, RoutedEventArgs e)
         {
             if (DataContext is ViewModels.Repository repo)
@@ -335,36 +320,6 @@ namespace SourceGit.Views
             e.Handled = true;
         }
         
-        private void OnDoubleTappedLocalBranchNode(object sender, TappedEventArgs e)
-        {
-            if (!ViewModels.PopupHost.CanCreatePopup())
-                return;
-
-            if (sender is Grid grid && DataContext is ViewModels.Repository repo)
-            {
-                var node = grid.DataContext as ViewModels.BranchTreeNode;
-                if (node != null && node.IsBranch)
-                {
-                    var branch = node.Backend as Models.Branch;
-                    if (branch.IsCurrent)
-                        return;
-
-                    repo.CheckoutLocalBranch(branch.Name);
-                    e.Handled = true;
-                }
-            }
-        }
-
-        private async void OpenStatistics(object sender, RoutedEventArgs e)
-        {
-            if (DataContext is ViewModels.Repository repo)
-            {
-                var dialog = new Statistics() { DataContext = new ViewModels.Statistics(repo.FullPath) };
-                await dialog.ShowDialog(TopLevel.GetTopLevel(this) as Window);
-                e.Handled = true;
-            }
-        }
-        
         private void CollectBranchesFromNode(List<Models.Branch> outs, ViewModels.BranchTreeNode node)
         {
             if (node == null || node.IsRemote)

src/Views/RepositoryConfigure.axaml

@@ -14,7 +14,7 @@
                Classes="bold"
                Text="{DynamicResource Text.Configure}"/>
 
-    <Grid Margin="0,16,0,0" RowDefinitions="32,32,32,32,32" ColumnDefinitions="150,*">
+    <Grid Margin="0,16,0,0" RowDefinitions="32,32,32,32,32,32,32" ColumnDefinitions="150,*">
       <TextBlock Grid.Column="0"
                  HorizontalAlignment="Right" VerticalAlignment="Center"
                  Margin="0,0,8,0"
@@ -47,18 +47,42 @@
                Text="{Binding HttpProxy, Mode=TwoWay}"/>
 
       <TextBlock Grid.Row="3" Grid.Column="0"
+                 Text="{DynamicResource Text.Preference.GPG.Format}"
+                 HorizontalAlignment="Right"
+                 Margin="0,0,16,0"/>
+      <ComboBox Grid.Row="3" Grid.Column="1"
+                MinHeight="28"
+                Padding="8,0"
+                HorizontalAlignment="Stretch"
+                ItemsSource="{Binding Source={x:Static m:GPGFormat.Supported}}"
+                SelectedItem="{Binding GPGFormat, Mode=TwoWay, FallbackValue={x:Static m:GPGFormat.OPENPGP}}">
+        <ComboBox.ItemTemplate>
+          <DataTemplate x:DataType="{x:Type m:GPGFormat}">
+            <Grid ColumnDefinitions="Auto,*">
+              <TextBlock Grid.Column="0" Text="{Binding Name}"/>
+              <TextBlock Grid.Column="1" Text="{Binding Desc}" Foreground="{DynamicResource Brush.FG2}" HorizontalAlignment="Right"/>
+            </Grid>
+          </DataTemplate>
+        </ComboBox.ItemTemplate>
+      </ComboBox>
+
+      <TextBlock Grid.Row="4" Grid.Column="0"
                  HorizontalAlignment="Right" VerticalAlignment="Center"
                  Margin="0,0,8,0"
                  Text="{DynamicResource Text.Preference.GPG.UserKey}"/>
-      <TextBox Grid.Row="3" Grid.Column="1"
+      <TextBox Grid.Row="4" Grid.Column="1"
                Height="28"
                CornerRadius="3"
                Watermark="{DynamicResource Text.Preference.GPG.UserKey.Placeholder}"
                Text="{Binding GPGUserSigningKey, Mode=TwoWay}"/>
 
-      <CheckBox Grid.Row="4" Grid.Column="1"
-                Content="{DynamicResource Text.Preference.GPG.Enabled}"
-                IsChecked="{Binding GPGSigningEnabled, Mode=TwoWay}"/>
+      <CheckBox Grid.Row="5" Grid.Column="1"
+                Content="{DynamicResource Text.Preference.GPG.CommitEnabled}"
+                IsChecked="{Binding GPGCommitSigningEnabled, Mode=TwoWay}"/>
+
+      <CheckBox Grid.Row="6" Grid.Column="1"
+                Content="{DynamicResource Text.Preference.GPG.TagEnabled}"
+                IsChecked="{Binding GPGTagSigningEnabled, Mode=TwoWay}"/>
     </Grid>
   </StackPanel>
 </UserControl>

src/Views/RevisionCompare.axaml

@@ -11,39 +11,57 @@
              x:DataType="vm:RevisionCompare"
              Background="{DynamicResource Brush.Window}">
   <Grid RowDefinitions="50,*" Margin="4">
-    <Grid Grid.Row="0" ColumnDefinitions="48,*,48,*,48" Margin="0,0,0,4">
-      <Border Grid.Column="1" BorderBrush="{DynamicResource Brush.Border2}" BorderThickness="1" Background="{DynamicResource Brush.Contents}" CornerRadius="4" Padding="4">
+    <Grid Grid.Row="0" Margin="48,0,48,4" ColumnDefinitions="*,48,*">
+      <Border Grid.Column="0" BorderBrush="{DynamicResource Brush.Border2}" BorderThickness="1" Background="{DynamicResource Brush.Contents}" CornerRadius="4" Padding="4">
         <Grid RowDefinitions="Auto,*">
-          <Grid Grid.Row="0" ColumnDefinitions="Auto,*,Auto,Auto">
+          <Grid Grid.Row="0" ColumnDefinitions="Auto,*,Auto,Auto,Auto">
             <v:Avatar Width="16" Height="16"
                       VerticalAlignment="Center"
                       IsHitTestVisible="False"
                       User="{Binding StartPoint.Author}"/>
             <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding StartPoint.Author.Name}" Margin="8,0,0,0"/>
-            <TextBlock Grid.Column="2" Classes="monospace" Text="{Binding StartPoint.SHA, Converter={x:Static c:StringConverters.ToShortSHA}}" Foreground="DarkOrange" Margin="8,0,0,0" TextDecorations="Underline" PointerPressed="OnPressedSHA"/>
-            <TextBlock Grid.Column="3" Classes="monospace" Text="{Binding StartPoint.CommitterTimeStr}" Foreground="{DynamicResource Brush.FG2}" Margin="8,0,0,0"/>
+            <Border Grid.Column="2" Background="DarkGreen" CornerRadius="4" IsVisible="{Binding StartPoint.IsCurrentHead}">
+              <TextBlock Text="HEAD" Classes="monospace" Margin="4,0"/>
+            </Border> 
+            <TextBlock Grid.Column="3" Classes="monospace" Text="{Binding StartPoint.SHA, Converter={x:Static c:StringConverters.ToShortSHA}}" Foreground="DarkOrange" Margin="8,0,0,0" TextDecorations="Underline" PointerPressed="OnPressedSHA"/>
+            <TextBlock Grid.Column="4" Classes="monospace" Text="{Binding StartPoint.CommitterTimeStr}" Foreground="{DynamicResource Brush.FG2}" Margin="8,0,0,0"/>
           </Grid>
 
           <TextBlock Grid.Row="1" Classes="monospace" Text="{Binding StartPoint.Subject}" VerticalAlignment="Bottom"/>
         </Grid>
       </Border>
 
-      <Path Grid.Column="2" Width="16" Height="16" Fill="{DynamicResource Brush.FG2}" Data="{DynamicResource Icons.Down}" RenderTransformOrigin="50%,50%" RenderTransform="rotate(270deg)"/>
+      <Path Grid.Column="1" Width="16" Height="16" Fill="{DynamicResource Brush.FG2}" Data="{DynamicResource Icons.Down}" RenderTransformOrigin="50%,50%" RenderTransform="rotate(270deg)"/>
 
-      <Border Grid.Column="3" BorderBrush="{DynamicResource Brush.Border2}" BorderThickness="1" Background="{DynamicResource Brush.Contents}" CornerRadius="4" Padding="4">
-        <Grid RowDefinitions="Auto,*">
-          <Grid Grid.Row="0" ColumnDefinitions="Auto,*,Auto,Auto">
-            <v:Avatar Width="16" Height="16"
-                      VerticalAlignment="Center"
-                      IsHitTestVisible="False"
-                      User="{Binding EndPoint.Author}"/>
-            <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding EndPoint.Author.Name}" Margin="8,0,0,0"/>
-            <TextBlock Grid.Column="2" Classes="monospace" Text="{Binding EndPoint.SHA, Converter={x:Static c:StringConverters.ToShortSHA}}" Foreground="DarkOrange" Margin="8,0,0,0" TextDecorations="Underline" PointerPressed="OnPressedSHA" />
-            <TextBlock Grid.Column="3" Classes="monospace" Text="{Binding EndPoint.CommitterTimeStr}" Foreground="{DynamicResource Brush.FG2}" Margin="8,0,0,0"/>
-          </Grid>
+      <Border Grid.Column="2" BorderBrush="{DynamicResource Brush.Border2}" BorderThickness="1" Background="{DynamicResource Brush.Contents}" CornerRadius="4" Padding="4">
+        <ContentControl Grid.Column="2" Content="{Binding EndPoint}">
+          <ContentControl.DataTemplates>
+            <DataTemplate DataType="m:Commit">
+              <Grid RowDefinitions="Auto,*">
+                <Grid Grid.Row="0" ColumnDefinitions="Auto,*,Auto,Auto,Auto">
+                  <v:Avatar Width="16" Height="16"
+                            VerticalAlignment="Center"
+                            IsHitTestVisible="False"
+                            User="{Binding Author}"/>
+                  <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding Author.Name}" Margin="8,0,0,0"/>
+                  <Border Grid.Column="2" Background="DarkGreen" CornerRadius="4" IsVisible="{Binding IsCurrentHead}">
+                    <TextBlock Text="HEAD" Classes="monospace" Margin="4,0"/>
+                  </Border>
+                  <TextBlock Grid.Column="3" Classes="monospace" Text="{Binding SHA, Converter={x:Static c:StringConverters.ToShortSHA}}" Foreground="DarkOrange" Margin="8,0,0,0" TextDecorations="Underline" PointerPressed="OnPressedSHA" />
+                  <TextBlock Grid.Column="4" Classes="monospace" Text="{Binding CommitterTimeStr}" Foreground="{DynamicResource Brush.FG2}" Margin="8,0,0,0"/>
+                </Grid>
 
-          <TextBlock Grid.Row="1" Classes="monospace" Text="{Binding EndPoint.Subject}" VerticalAlignment="Bottom"/>
-        </Grid>
+                <TextBlock Grid.Row="1" Classes="monospace" Text="{Binding Subject}" VerticalAlignment="Bottom"/>
+              </Grid>
+            </DataTemplate>
+
+            <DataTemplate DataType="vm:CompareTargetWorktree">
+              <Border HorizontalAlignment="Center" VerticalAlignment="Center" Background="DarkGreen" CornerRadius="4">
+                <TextBlock Text="{DynamicResource Text.Worktree}" Classes="monospace" Margin="4,2"/>
+              </Border>
+            </DataTemplate>
+          </ContentControl.DataTemplates>
+        </ContentControl>
       </Border>
     </Grid>
 
@@ -56,7 +74,7 @@
 
       <Grid Grid.Column="0" RowDefinitions="26,*">
         <!-- Search & Display Mode -->
-        <Grid Grid.Row="0" ColumnDefinitions="*,24">
+        <Grid Grid.Row="0" ColumnDefinitions="*,18">
           <TextBox Grid.Column="0"
                    Height="26"
                    BorderThickness="1" BorderBrush="{DynamicResource Brush.Border2}"
@@ -78,116 +96,18 @@
           </TextBox>
 
           <v:ChangeViewModeSwitcher Grid.Column="1"
-                                    Width="18" Height="18"
+                                    Width="14" Height="14"
                                     HorizontalAlignment="Right"
                                     ViewMode="{Binding Source={x:Static vm:Preference.Instance}, Path=CommitChangeViewMode, Mode=TwoWay}"/>
         </Grid>
 
         <!-- Changes -->
         <Border Grid.Row="1" Margin="0,4,0,0" BorderBrush="{DynamicResource Brush.Border2}" BorderThickness="1" Background="{DynamicResource Brush.Contents}">
-          <Grid>
-            <DataGrid Background="Transparent"
-                      ItemsSource="{Binding VisibleChanges}"
-                      SelectedItem="{Binding SelectedChange, Mode=TwoWay}"
-                      SelectionMode="Single"
-                      CanUserReorderColumns="False"
-                      CanUserResizeColumns="False"
-                      CanUserSortColumns="False"
-                      IsReadOnly="True"
-                      HeadersVisibility="None"
-                      Focusable="False"
-                      RowHeight="26"
-                      HorizontalScrollBarVisibility="Auto"
-                      VerticalScrollBarVisibility="Auto"
-                      SelectionChanged="OnDataGridSelectionChanged"
-                      ContextRequested="OnDataGridContextRequested"
-                      IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=CommitChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsList}}">
-              <DataGrid.Columns>
-                <DataGridTemplateColumn Header="ICON">
-                  <DataGridTemplateColumn.CellTemplate>
-                    <DataTemplate>
-                      <v:ChangeStatusIcon Width="14" Height="14" IsWorkingCopyChange="False" Change="{Binding}"/>
-                    </DataTemplate>
-                  </DataGridTemplateColumn.CellTemplate>
-                </DataGridTemplateColumn>
-
-                <DataGridTemplateColumn Width="*" Header="PATH">
-                  <DataGridTemplateColumn.CellTemplate>
-                    <DataTemplate>
-                      <TextBlock Classes="monospace" Text="{Binding Path}" Margin="4,0,0,0"/>
-                    </DataTemplate>
-                  </DataGridTemplateColumn.CellTemplate>
-                </DataGridTemplateColumn>
-              </DataGrid.Columns>
-            </DataGrid>
-
-            <DataGrid Background="Transparent"
-                      ItemsSource="{Binding VisibleChanges}"
-                      SelectedItem="{Binding SelectedChange, Mode=TwoWay}"
-                      SelectionMode="Single"
-                      CanUserReorderColumns="False"
-                      CanUserResizeColumns="False"
-                      CanUserSortColumns="False"
-                      IsReadOnly="True"
-                      HeadersVisibility="None"
-                      Focusable="False"
-                      RowHeight="26"
-                      HorizontalScrollBarVisibility="Auto"
-                      VerticalScrollBarVisibility="Auto"
-                      SelectionChanged="OnDataGridSelectionChanged"
-                      ContextRequested="OnDataGridContextRequested"
-                      IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=CommitChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsGrid}}">
-              <DataGrid.Columns>
-                <DataGridTemplateColumn Header="ICON">
-                  <DataGridTemplateColumn.CellTemplate>
-                    <DataTemplate>
-                      <v:ChangeStatusIcon Width="14" Height="14" IsWorkingCopyChange="False" Change="{Binding}"/>
-                    </DataTemplate>
-                  </DataGridTemplateColumn.CellTemplate>
-                </DataGridTemplateColumn>
-
-                <DataGridTemplateColumn Header="FILE_NAME">
-                  <DataGridTemplateColumn.CellTemplate>
-                    <DataTemplate>
-                      <TextBlock Classes="monospace" Text="{Binding Path, Converter={x:Static c:PathConverters.PureFileName}}" Margin="4,0,0,0"/>
-                    </DataTemplate>
-                  </DataGridTemplateColumn.CellTemplate>
-                </DataGridTemplateColumn>
-
-                <DataGridTemplateColumn Header="FOLDER_PATH">
-                  <DataGridTemplateColumn.CellTemplate>
-                    <DataTemplate>
-                      <TextBlock Classes="monospace" Text="{Binding Path, Converter={x:Static c:PathConverters.PureDirectoryName}}" Margin="4,0,0,0" Foreground="{DynamicResource Brush.FG2}"/>
-                    </DataTemplate>
-                  </DataGridTemplateColumn.CellTemplate>
-                </DataGridTemplateColumn>
-              </DataGrid.Columns>
-            </DataGrid>
-
-            <TreeView ItemsSource="{Binding ChangeTree}"
-                      SelectedItem="{Binding SelectedNode, Mode=TwoWay}"
-                      AutoScrollToSelectedItem="True"
-                      ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                      ScrollViewer.VerticalScrollBarVisibility="Auto"
-                      ContextRequested="OnTreeViewContextRequested"
-                      IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=CommitChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsTree}}">
-              <TreeView.Styles>
-                <Style Selector="TreeViewItem" x:DataType="vm:FileTreeNode">
-                  <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
-                </Style>
-              </TreeView.Styles>
-
-              <TreeView.ItemTemplate>
-                <TreeDataTemplate ItemsSource="{Binding Children}" x:DataType="{x:Type vm:FileTreeNode}">
-                  <Grid Height="24" ColumnDefinitions="Auto,*">
-                    <Path Grid.Column="0" Classes="folder_icon" Width="14" Height="14" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" Fill="Goldenrod" VerticalAlignment="Center"/>
-                    <v:ChangeStatusIcon Grid.Column="0" Width="14" Height="14" IsWorkingCopyChange="False" Change="{Binding Backend}" IsVisible="{Binding !IsFolder}"/>
-                    <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding FullPath, Converter={x:Static c:PathConverters.PureFileName}}" Margin="6,0,0,0"/>
-                  </Grid>
-                </TreeDataTemplate>
-              </TreeView.ItemTemplate>
-            </TreeView>
-          </Grid>
+          <v:ChangeCollectionView IsWorkingCopyChange="False"
+                                  ViewMode="{Binding Source={x:Static vm:Preference.Instance}, Path=CommitChangeViewMode}"
+                                  Changes="{Binding VisibleChanges}"
+                                  SelectedChanges="{Binding SelectedChanges, Mode=TwoWay}"
+                                  ContextRequested="OnChangeContextRequested"/>
         </Border>
       </Grid>
 

src/Views/RevisionCompare.axaml.cs

@@ -10,38 +10,12 @@ namespace SourceGit.Views
             InitializeComponent();
         }
 
-        private void OnDataGridSelectionChanged(object sender, SelectionChangedEventArgs e)
+        private void OnChangeContextRequested(object sender, ContextRequestedEventArgs e)
         {
-            if (sender is DataGrid datagrid && datagrid.IsVisible)
+            if (DataContext is ViewModels.RevisionCompare vm && sender is ChangeCollectionView view)
             {
-                datagrid.ScrollIntoView(datagrid.SelectedItem, null);
-            }
-            e.Handled = true;
-        }
-
-        private void OnDataGridContextRequested(object sender, ContextRequestedEventArgs e)
-        {
-            if (sender is DataGrid datagrid && datagrid.SelectedItem != null)
-            {
-                var compare = DataContext as ViewModels.RevisionCompare;
-                var menu = compare.CreateChangeContextMenu(datagrid.SelectedItem as Models.Change);
-                datagrid.OpenContextMenu(menu);
-            }
-
-            e.Handled = true;
-        }
-
-        private void OnTreeViewContextRequested(object sender, ContextRequestedEventArgs e)
-        {
-            if (sender is TreeView view && view.SelectedItem != null)
-            {
-                var compare = DataContext as ViewModels.RevisionCompare;
-                var node = view.SelectedItem as ViewModels.FileTreeNode;
-                if (node != null && !node.IsFolder)
-                {
-                    var menu = compare.CreateChangeContextMenu(node.Backend as Models.Change);
-                    view.OpenContextMenu(menu);
-                }
+                var menu = vm.CreateChangeContextMenu();
+                view.OpenContextMenu(menu);
             }
 
             e.Handled = true;
@@ -49,11 +23,8 @@ namespace SourceGit.Views
 
         private void OnPressedSHA(object sender, PointerPressedEventArgs e)
         {
-            if (sender is TextBlock block)
-            {
-                var compare = DataContext as ViewModels.RevisionCompare;
-                compare.NavigateTo(block.Text);
-            }
+            if (DataContext is ViewModels.RevisionCompare vm && sender is TextBlock block)
+                vm.NavigateTo(block.Text);
 
             e.Handled = true;
         }

src/Views/RevisionFiles.axaml

@@ -41,29 +41,22 @@
       
       <!-- File Tree -->
       <Border Grid.Row="1" Margin="0,4,0,0" BorderBrush="{DynamicResource Brush.Border2}" BorderThickness="1" Background="{DynamicResource Brush.Contents}">
-        <TreeView Grid.Row="5"
-                  ItemsSource="{Binding RevisionFilesTree}"
-                  SelectedItem="{Binding SelectedRevisionFileNode, Mode=TwoWay}"
-                  AutoScrollToSelectedItem="True"
-                  ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                  ScrollViewer.VerticalScrollBarVisibility="Auto"
-                  ContextRequested="OnTreeViewContextRequested">
-          <TreeView.Styles>
-            <Style Selector="TreeViewItem" x:DataType="vm:FileTreeNode">
-              <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
-            </Style>
-          </TreeView.Styles>
-
-          <TreeView.ItemTemplate>
-            <TreeDataTemplate ItemsSource="{Binding Children}" x:DataType="{x:Type vm:FileTreeNode}">
-              <Grid Height="24" ColumnDefinitions="Auto,*">
+        <TreeDataGrid AutoDragDropRows="False" 
+                      ShowColumnHeaders="False" 
+                      CanUserResizeColumns="False" 
+                      CanUserSortColumns="False"
+                      Source="{Binding RevisionFiles}"
+                      ContextRequested="OnFileContextRequested">
+          <TreeDataGrid.Resources>
+            <DataTemplate x:Key="FileTreeNodeExpanderTemplate" DataType="m:FileTreeNode">
+              <Grid HorizontalAlignment="Stretch" Height="24" ColumnDefinitions="Auto,*">
                 <Path Grid.Column="0" Classes="folder_icon" Width="14" Height="14" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" Fill="Goldenrod" VerticalAlignment="Center"/>
                 <Path Grid.Column="0" Width="14" Height="14" IsVisible="{Binding !IsFolder}" Data="{StaticResource Icons.File}" VerticalAlignment="Center"/>
                 <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding FullPath, Converter={x:Static c:PathConverters.PureFileName}}" Margin="6,0,0,0"/>
               </Grid>
-            </TreeDataTemplate>
-          </TreeView.ItemTemplate>
-        </TreeView>
+            </DataTemplate>
+          </TreeDataGrid.Resources>
+        </TreeDataGrid>
       </Border>
     </Grid>
 

src/Views/RevisionFiles.axaml.cs

@@ -213,14 +213,16 @@ namespace SourceGit.Views
             InitializeComponent();
         }
 
-        private void OnTreeViewContextRequested(object sender, ContextRequestedEventArgs e)
+        private void OnFileContextRequested(object sender, ContextRequestedEventArgs e)
         {
-            var detail = DataContext as ViewModels.CommitDetail;
-            var node = detail.SelectedRevisionFileNode;
-            if (!node.IsFolder)
+            if (DataContext is ViewModels.CommitDetail vm && sender is TreeDataGrid tree)
             {
-                var menu = detail.CreateRevisionFileContextMenu(node.Backend as Models.Object);
-                (sender as Control)?.OpenContextMenu(menu);
+                var selected = tree.RowSelection.SelectedItem as Models.FileTreeNode;
+                if (selected != null && !selected.IsFolder && selected.Backend is Models.Object obj)
+                {
+                    var menu = vm.CreateRevisionFileContextMenu(obj);
+                    tree.OpenContextMenu(menu);
+                }
             }
 
             e.Handled = true;

src/Views/StashesPage.axaml

@@ -54,15 +54,7 @@
           <DataGridTemplateColumn Width="*">
             <DataGridTemplateColumn.CellTemplate>
               <DataTemplate DataType="m:Stash">
-                <Border BorderBrush="{DynamicResource Brush.Border2}" BorderThickness="0,0,0,1" Padding="4" Background="Transparent">
-                  <Border.ContextMenu>
-                    <ContextMenu>
-                      <MenuItem Header="{DynamicResource Text.StashCM.Apply}" Command="{Binding $parent[v:StashesPage].DataContext.(vm:StashesPage).Apply}" CommandParameter="{Binding}"/>
-                      <MenuItem Header="{DynamicResource Text.StashCM.Pop}" Command="{Binding $parent[v:StashesPage].DataContext.(vm:StashesPage).Pop}" CommandParameter="{Binding}"/>
-                      <MenuItem Header="{DynamicResource Text.StashCM.Drop}" Command="{Binding $parent[v:StashesPage].DataContext.(vm:StashesPage).Drop}" CommandParameter="{Binding}"/>
-                    </ContextMenu>
-                  </Border.ContextMenu>
-
+                <Border BorderBrush="{DynamicResource Brush.Border2}" BorderThickness="0,0,0,1" Padding="4" Background="Transparent" ContextRequested="OnStashContextRequested">
                   <Grid RowDefinitions="Auto,*" >
                     <Grid Grid.Row="0" ColumnDefinitions="*,Auto">
                       <TextBlock Grid.Column="0" Classes="monospace" Text="{Binding SHA, Converter={x:Static c:StringConverters.ToShortSHA}}" Foreground="DarkOrange" TextDecorations="Underline" Cursor="Hand"/>

src/Views/StashesPage.axaml.cs

@@ -8,5 +8,15 @@ namespace SourceGit.Views
         {
             InitializeComponent();
         }
+
+        private void OnStashContextRequested(object sender, ContextRequestedEventArgs e)
+        {
+            if (DataContext is ViewModels.StashesPage vm && sender is Border border)
+            {
+                var menu = vm.MakeContextMenu(border.DataContext as Models.Stash);
+                border.OpenContextMenu(menu);
+            }
+            e.Handled = true;
+        }
     }
 }

src/Views/Statistics.axaml

@@ -180,11 +180,9 @@
     </ContentControl>
 
     <!-- Loading Mask -->
-    <Path Grid.Row="2" 
-          Classes="rotating"
-          Width="48" Height="48"
-          Data="{DynamicResource Icons.Loading}"
-          HorizontalAlignment="Center" VerticalAlignment="Center"
-          IsVisible="{Binding IsLoading}"/>
+    <v:LoadingIcon Grid.Row="2" 
+                   Width="48" Height="48" 
+                   HorizontalAlignment="Center" VerticalAlignment="Center"
+                   IsVisible="{Binding IsLoading}"/>
   </Grid>
 </Window>

src/Views/TextDiffView.axaml

@@ -5,7 +5,6 @@
              xmlns:m="using:SourceGit.Models"
              xmlns:vm="using:SourceGit.ViewModels"
              xmlns:v="using:SourceGit.Views"
-             xmlns:c="using:SourceGit.Converters"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
              x:Class="SourceGit.Views.TextDiffView"
              Background="{DynamicResource Brush.Contents}">
@@ -19,14 +18,14 @@
                                    SecondaryFG="{DynamicResource Brush.FG2}"
                                    FontFamily="{Binding Source={x:Static vm:Preference.Instance}, Path=MonospaceFont}"
                                    DiffData="{Binding}"
-                                   SyncScrollOffset="{Binding $parent[v:DiffView].DataContext.(vm:DiffContext).SyncScrollOffset, Mode=TwoWay}"
+                                   SyncScrollOffset="{Binding $parent[v:DiffView].((vm:DiffContext)DataContext).SyncScrollOffset, Mode=TwoWay}"
                                    UseSyntaxHighlighting="{Binding Source={x:Static vm:Preference.Instance}, Path=UseSyntaxHighlighting, Mode=TwoWay}"/>
     </DataTemplate>
 
     <DataTemplate DataType="vm:TwoSideTextDiff">
       <Grid ColumnDefinitions="*,1,*">
         <v:SingleSideTextDiffPresenter Grid.Column="0"
-                                       SyncScrollOffset="{Binding $parent[v:DiffView].DataContext.(vm:DiffContext).SyncScrollOffset, Mode=TwoWay}"
+                                       SyncScrollOffset="{Binding $parent[v:DiffView].((vm:DiffContext)DataContext).SyncScrollOffset, Mode=TwoWay}"
                                        UseSyntaxHighlighting="{Binding Source={x:Static vm:Preference.Instance}, Path=UseSyntaxHighlighting, Mode=TwoWay}"
                                        IsOld="True"
                                        HorizontalScrollBarVisibility="Auto"
@@ -41,7 +40,7 @@
         <Rectangle Grid.Column="1" Fill="{DynamicResource Brush.Border2}" Width="1" HorizontalAlignment="Center" VerticalAlignment="Stretch"/>
 
         <v:SingleSideTextDiffPresenter Grid.Column="2"
-                                       SyncScrollOffset="{Binding $parent[v:DiffView].DataContext.(vm:DiffContext).SyncScrollOffset, Mode=TwoWay}"
+                                       SyncScrollOffset="{Binding $parent[v:DiffView].((vm:DiffContext)DataContext).SyncScrollOffset, Mode=TwoWay}"
                                        UseSyntaxHighlighting="{Binding Source={x:Static vm:Preference.Instance}, Path=UseSyntaxHighlighting, Mode=TwoWay}"
                                        IsOld="False"
                                        HorizontalScrollBarVisibility="Auto"

src/Views/Welcome.axaml

@@ -11,7 +11,7 @@
   <Grid RowDefinitions="36,*,36" Background="{DynamicResource Brush.Window}">
     <Border Grid.Row="0" BorderBrush="{DynamicResource Brush.Border0}" BorderThickness="0,0,0,1" Background="{DynamicResource Brush.ToolBar}">
       <StackPanel Orientation="Horizontal" Margin="4,0,0,0">
-        <Button Classes="icon_button" Width="32" Command="{Binding Clone}" CommandParameter="{Binding $parent[v:Launcher].DataContext}" ToolTip.Tip="{DynamicResource Text.Welcome.Clone}">
+        <Button Classes="icon_button" Width="32" Command="{Binding Clone}" ToolTip.Tip="{DynamicResource Text.Welcome.Clone}">
           <Path Width="13" Height="13" Data="{StaticResource Icons.Pull}"/>
         </Button>
 

src/Views/WorkingCopy.axaml

@@ -2,7 +2,6 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-             xmlns:m="using:SourceGit.Models"
              xmlns:vm="using:SourceGit.ViewModels"
              xmlns:v="using:SourceGit.Views"
              xmlns:c="using:SourceGit.Converters"
@@ -21,29 +20,29 @@
       <!-- Unstaged Toolbar -->
       <Border Grid.Row="0" BorderThickness="0,0,0,1" BorderBrush="{DynamicResource Brush.Border0}">
         <Grid ColumnDefinitions="Auto,Auto,Auto,Auto,*,Auto,Auto,Auto,Auto">
-          <v:ChangeViewModeSwitcher Grid.Column="0" Width="14" Height="14" Margin="8,0,0,0" ViewMode="{Binding Source={x:Static vm:Preference.Instance}, Path=UnstagedChangeViewMode, Mode=TwoWay}"/>
+          <v:ChangeViewModeSwitcher Grid.Column="0" Width="12" Height="12" Margin="8,0,0,0" ViewMode="{Binding Source={x:Static vm:Preference.Instance}, Path=UnstagedChangeViewMode, Mode=TwoWay}"/>
           <TextBlock Grid.Column="1" Text="{DynamicResource Text.WorkingCopy.Unstaged}" Foreground="{DynamicResource Brush.FG2}" FontWeight="Bold" Margin="8,0,0,0"/>
           <TextBlock Grid.Column="2" FontWeight="Bold" Foreground="{DynamicResource Brush.FG2}" Text="{Binding Unstaged, Converter={x:Static c:ListConverters.ToCount}}"/>
-          <Path Grid.Column="3" Classes="rotating" Width="14" Height="14" Data="{StaticResource Icons.Loading}" Margin="8,0,0,0" IsVisible="{Binding IsStaging}"/>
+          <v:LoadingIcon Grid.Column="3" Width="14" Height="14" Margin="8,0,0,0" IsVisible="{Binding IsStaging}"/>
 
           <Button Grid.Column="5"
                   Classes="icon_button"
                   Width="26" Height="14"
                   Padding="0"
                   ToolTip.Tip="{DynamicResource Text.WorkingCopy.Unstaged.ViewAssumeUnchaged}"
-                  Click="ViewAssumeUnchanged">
+                  Command="{Binding OpenAssumeUnchanged}">
             <Path Width="14" Height="14" Data="{StaticResource Icons.File.Ignore}"/>
           </Button>
           <ToggleButton Grid.Column="6"
                         Classes="toggle_untracked"
                         Width="26" Height="14"
                         ToolTip.Tip="{DynamicResource Text.WorkingCopy.IncludeUntracked}"
-                        IsChecked="{Binding $parent[v:Repository].DataContext.(vm:Repository).IncludeUntracked, Mode=TwoWay}"/>
+                        IsChecked="{Binding IncludeUntracked, Mode=TwoWay}"/>
           <Button Grid.Column="7"
                   Classes="icon_button"
                   Width="26" Height="14"
                   Padding="0"
-                  Click="StageSelected">
+                  Command="{Binding StageSelected}">
             <ToolTip.Tip>
               <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                 <TextBlock Text="{DynamicResource Text.WorkingCopy.Unstaged.Stage}" VerticalAlignment="Center"/>
@@ -56,130 +55,33 @@
                   Classes="icon_button"
                   Width="26" Height="14"
                   Padding="0"
-                  ToolTip.Tip="{DynamicResource Text.WorkingCopy.Unstaged.StageAll}" Click="StageAll">
+                  ToolTip.Tip="{DynamicResource Text.WorkingCopy.Unstaged.StageAll}" 
+                  Command="{Binding StageAll}">
             <Path Width="14" Height="14" Data="{StaticResource Icons.DoubleDown}"/>
           </Button>
         </Grid>
       </Border>
 
       <!-- Unstaged Changes -->
-      <Grid Grid.Row="1" Background="{DynamicResource Brush.Contents}">
-        <DataGrid x:Name="unstagedList"
-                  Background="Transparent"
-                  ItemsSource="{Binding Unstaged}"
-                  SelectedItem="{Binding SelectedUnstagedChange, Mode=TwoWay}"
-                  SelectionMode="Extended"
-                  CanUserReorderColumns="False"
-                  CanUserResizeColumns="False"
-                  CanUserSortColumns="False"
-                  IsReadOnly="True"
-                  HeadersVisibility="None"
-                  Focusable="False"
-                  RowHeight="26"
-                  HorizontalScrollBarVisibility="Auto"
-                  VerticalScrollBarVisibility="Auto"
-                  KeyDown="OnUnstagedListKeyDown"
-                  ContextRequested="OnUnstagedListContextRequested"
-                  IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=UnstagedChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsList}}">
-          <DataGrid.Columns>
-            <DataGridTemplateColumn Header="ICON">
-              <DataGridTemplateColumn.CellTemplate>
-                <DataTemplate>
-                  <v:ChangeStatusIcon Width="14" Height="14" IsWorkingCopyChange="True" Change="{Binding}"/>
-                </DataTemplate>
-              </DataGridTemplateColumn.CellTemplate>
-            </DataGridTemplateColumn>
-
-            <DataGridTemplateColumn Width="*" Header="PATH">
-              <DataGridTemplateColumn.CellTemplate>
-                <DataTemplate>
-                  <TextBlock Classes="monospace" Text="{Binding Path}" Margin="4,0,0,0"/>
-                </DataTemplate>
-              </DataGridTemplateColumn.CellTemplate>
-            </DataGridTemplateColumn>
-          </DataGrid.Columns>
-        </DataGrid>
-
-        <DataGrid x:Name="unstagedGrid"
-                  Background="Transparent"
-                  ItemsSource="{Binding Unstaged}"
-                  SelectedItem="{Binding SelectedUnstagedChange, Mode=TwoWay}"
-                  SelectionMode="Extended"
-                  CanUserReorderColumns="False"
-                  CanUserResizeColumns="False"
-                  CanUserSortColumns="False"
-                  IsReadOnly="True"
-                  HeadersVisibility="None"
-                  Focusable="False"
-                  RowHeight="26"
-                  HorizontalScrollBarVisibility="Auto"
-                  VerticalScrollBarVisibility="Auto"
-                  KeyDown="OnUnstagedListKeyDown"
-                  ContextRequested="OnUnstagedListContextRequested"
-                  IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=UnstagedChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsGrid}}">
-          <DataGrid.Columns>
-            <DataGridTemplateColumn Header="ICON">
-              <DataGridTemplateColumn.CellTemplate>
-                <DataTemplate>
-                  <v:ChangeStatusIcon Width="14" Height="14" IsWorkingCopyChange="True" Change="{Binding}"/>
-                </DataTemplate>
-              </DataGridTemplateColumn.CellTemplate>
-            </DataGridTemplateColumn>
-
-            <DataGridTemplateColumn Header="FILE_NAME">
-              <DataGridTemplateColumn.CellTemplate>
-                <DataTemplate>
-                  <TextBlock Classes="monospace" Text="{Binding Path, Converter={x:Static c:PathConverters.PureFileName}}" Margin="4,0,0,0"/>
-                </DataTemplate>
-              </DataGridTemplateColumn.CellTemplate>
-            </DataGridTemplateColumn>
-
-            <DataGridTemplateColumn Header="FOLDER_PATH">
-              <DataGridTemplateColumn.CellTemplate>
-                <DataTemplate>
-                  <TextBlock Classes="monospace" Text="{Binding Path, Converter={x:Static c:PathConverters.PureDirectoryName}}" Margin="4,0,0,0" Foreground="{DynamicResource Brush.FG2}"/>
-                </DataTemplate>
-              </DataGridTemplateColumn.CellTemplate>
-            </DataGridTemplateColumn>
-          </DataGrid.Columns>
-        </DataGrid>
-
-        <TreeView x:Name="unstagedTree"
-                  ItemsSource="{Binding UnstagedTree}"
-                  SelectedItem="{Binding SelectedUnstagedTreeNode, Mode=TwoWay}"
-                  SelectionMode="Multiple"
-                  AutoScrollToSelectedItem="True"
-                  ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                  ScrollViewer.VerticalScrollBarVisibility="Auto"
-                  KeyDown="OnUnstagedTreeViewKeyDown"
-                  ContextRequested="OnUnstagedTreeViewContextRequested"
-                  IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=UnstagedChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsTree}}">
-          <TreeView.Styles>
-            <Style Selector="TreeViewItem" x:DataType="vm:FileTreeNode">
-              <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
-            </Style>
-          </TreeView.Styles>
-
-          <TreeView.ItemTemplate>
-            <TreeDataTemplate ItemsSource="{Binding Children}" x:DataType="{x:Type vm:FileTreeNode}">
-              <Grid Height="24" ColumnDefinitions="Auto,*">
-                <Path Grid.Column="0" Classes="folder_icon" Width="14" Height="14" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" Fill="Goldenrod" VerticalAlignment="Center"/>
-                <v:ChangeStatusIcon Grid.Column="0" Width="14" Height="14" IsWorkingCopyChange="True" Change="{Binding Backend}" IsVisible="{Binding !IsFolder}"/>
-                <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding FullPath, Converter={x:Static c:PathConverters.PureFileName}}" Margin="6,0,0,0"/>
-              </Grid>
-            </TreeDataTemplate>
-          </TreeView.ItemTemplate>
-        </TreeView>
-      </Grid>
+      <v:ChangeCollectionView Grid.Row="1"
+                              IsWorkingCopyChange="True"
+                              SingleSelect="False"
+                              Background="{DynamicResource Brush.Contents}"
+                              ViewMode="{Binding Source={x:Static vm:Preference.Instance}, Path=UnstagedChangeViewMode}"
+                              Changes="{Binding Unstaged}"
+                              SelectedChanges="{Binding SelectedUnstaged, Mode=TwoWay}"
+                              ContextRequested="OnUnstagedContextRequested"
+                              ChangeDoubleTapped="OnUnstagedChangeDoubleTapped"
+                              KeyDown="OnUnstagedKeyDown"/>
 
       <!-- Staged Toolbar -->
       <Border Grid.Row="2" BorderThickness="0,1" BorderBrush="{DynamicResource Brush.Border0}">
         <Grid ColumnDefinitions="Auto,Auto,Auto,Auto,*,Auto,Auto">
-          <v:ChangeViewModeSwitcher Grid.Column="0" Width="14" Height="14" Margin="8,0,0,0" ViewMode="{Binding Source={x:Static vm:Preference.Instance}, Path=StagedChangeViewMode, Mode=TwoWay}"/>
+          <v:ChangeViewModeSwitcher Grid.Column="0" Width="12" Height="12" Margin="8,0,0,0" ViewMode="{Binding Source={x:Static vm:Preference.Instance}, Path=StagedChangeViewMode, Mode=TwoWay}"/>
           <TextBlock Grid.Column="1" Text="{DynamicResource Text.WorkingCopy.Staged}" Foreground="{DynamicResource Brush.FG2}" FontWeight="Bold" Margin="8,0,0,0"/>
           <TextBlock Grid.Column="2" FontWeight="Bold" Foreground="{DynamicResource Brush.FG2}" Text="{Binding Staged, Converter={x:Static c:ListConverters.ToCount}}"/>
-          <Path Grid.Column="3" Classes="rotating" Width="14" Height="14" Data="{StaticResource Icons.Loading}" Margin="8,0,0,0" IsVisible="{Binding IsUnstaging}"/>
-          <Button Grid.Column="5" Classes="icon_button" Width="26" Height="14" Padding="0" Click="UnstageSelected">
+          <v:LoadingIcon Grid.Column="3" Width="14" Height="14" Margin="8,0,0,0" IsVisible="{Binding IsUnstaging}"/>
+          <Button Grid.Column="5" Classes="icon_button" Width="26" Height="14" Padding="0" Command="{Binding UnstageSelected}">
             <ToolTip.Tip>
               <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                 <TextBlock Text="{DynamicResource Text.WorkingCopy.Staged.Unstage}" VerticalAlignment="Center"/>
@@ -188,121 +90,23 @@
             </ToolTip.Tip>
             <Path Width="14" Height="14" Margin="0,6,0,0" Data="{StaticResource Icons.Up}"/>
           </Button>
-          <Button Grid.Column="6" Classes="icon_button" Width="26" Height="14" Padding="0" ToolTip.Tip="{DynamicResource Text.WorkingCopy.Staged.UnstageAll}" Click="UnstageAll">
+          <Button Grid.Column="6" Classes="icon_button" Width="26" Height="14" Padding="0" ToolTip.Tip="{DynamicResource Text.WorkingCopy.Staged.UnstageAll}" Command="{Binding UnstageAll}">
             <Path Width="14" Height="14" Data="{StaticResource Icons.DoubleUp}"/>
           </Button>
         </Grid>
       </Border>
 
       <!-- Staged Changes -->
-      <Grid Grid.Row="3" Background="{DynamicResource Brush.Contents}">
-        <DataGrid x:Name="stagedList"
-                  Background="Transparent"
-                  ItemsSource="{Binding Staged}"
-                  SelectedItem="{Binding SelectedStagedChange, Mode=TwoWay}"
-                  SelectionMode="Extended"
-                  CanUserReorderColumns="False"
-                  CanUserResizeColumns="False"
-                  CanUserSortColumns="False"
-                  IsReadOnly="True"
-                  HeadersVisibility="None"
-                  Focusable="False"
-                  RowHeight="26"
-                  HorizontalScrollBarVisibility="Auto"
-                  VerticalScrollBarVisibility="Auto"
-                  KeyDown="OnStagedListKeyDown"
-                  ContextRequested="OnStagedListContextRequested"
-                  IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=StagedChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsList}}">
-          <DataGrid.Columns>
-            <DataGridTemplateColumn Header="ICON">
-              <DataGridTemplateColumn.CellTemplate>
-                <DataTemplate>
-                  <v:ChangeStatusIcon Width="14" Height="14" IsWorkingCopyChange="False" Change="{Binding}"/>
-                </DataTemplate>
-              </DataGridTemplateColumn.CellTemplate>
-            </DataGridTemplateColumn>
-
-            <DataGridTemplateColumn Width="*" Header="PATH">
-              <DataGridTemplateColumn.CellTemplate>
-                <DataTemplate>
-                  <TextBlock Classes="monospace" Text="{Binding Path}" Margin="4,0,0,0"/>
-                </DataTemplate>
-              </DataGridTemplateColumn.CellTemplate>
-            </DataGridTemplateColumn>
-          </DataGrid.Columns>
-        </DataGrid>
-
-        <DataGrid x:Name="stagedGrid"
-                  Background="Transparent"
-                  ItemsSource="{Binding Staged}"
-                  SelectedItem="{Binding SelectedStagedChange, Mode=TwoWay}"
-                  SelectionMode="Extended"
-                  CanUserReorderColumns="False"
-                  CanUserResizeColumns="False"
-                  CanUserSortColumns="False"
-                  IsReadOnly="True"
-                  HeadersVisibility="None"
-                  Focusable="False"
-                  RowHeight="26"
-                  HorizontalScrollBarVisibility="Auto"
-                  VerticalScrollBarVisibility="Auto"
-                  KeyDown="OnStagedListKeyDown"
-                  ContextRequested="OnStagedListContextRequested"
-                  IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=StagedChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsGrid}}">
-          <DataGrid.Columns>
-            <DataGridTemplateColumn Header="ICON">
-              <DataGridTemplateColumn.CellTemplate>
-                <DataTemplate>
-                  <v:ChangeStatusIcon Width="14" Height="14" IsWorkingCopyChange="False" Change="{Binding}"/>
-                </DataTemplate>
-              </DataGridTemplateColumn.CellTemplate>
-            </DataGridTemplateColumn>
-
-            <DataGridTemplateColumn Header="FILE_NAME">
-              <DataGridTemplateColumn.CellTemplate>
-                <DataTemplate>
-                  <TextBlock Classes="monospace" Text="{Binding Path, Converter={x:Static c:PathConverters.PureFileName}}" Margin="4,0,0,0"/>
-                </DataTemplate>
-              </DataGridTemplateColumn.CellTemplate>
-            </DataGridTemplateColumn>
-
-            <DataGridTemplateColumn Header="FOLDER_PATH">
-              <DataGridTemplateColumn.CellTemplate>
-                <DataTemplate>
-                  <TextBlock Classes="monospace" Text="{Binding Path, Converter={x:Static c:PathConverters.PureDirectoryName}}" Margin="4,0,0,0" Foreground="{DynamicResource Brush.FG2}"/>
-                </DataTemplate>
-              </DataGridTemplateColumn.CellTemplate>
-            </DataGridTemplateColumn>
-          </DataGrid.Columns>
-        </DataGrid>
-
-        <TreeView x:Name="stagedTree"
-                  ItemsSource="{Binding StagedTree}"
-                  SelectedItem="{Binding SelectedStagedTreeNode, Mode=TwoWay}"
-                  SelectionMode="Multiple"
-                  AutoScrollToSelectedItem="True"
-                  ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                  ScrollViewer.VerticalScrollBarVisibility="Auto"
-                  KeyDown="OnStagedTreeViewKeyDown"
-                  ContextRequested="OnStagedTreeViewContextRequested"
-                  IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=StagedChangeViewMode, Converter={x:Static c:ChangeViewModeConverters.IsTree}}">
-          <TreeView.Styles>
-            <Style Selector="TreeViewItem" x:DataType="vm:FileTreeNode">
-              <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
-            </Style>
-          </TreeView.Styles>
-
-          <TreeView.ItemTemplate>
-            <TreeDataTemplate ItemsSource="{Binding Children}" x:DataType="{x:Type vm:FileTreeNode}">
-              <Grid Height="24" ColumnDefinitions="Auto,*">
-                <Path Grid.Column="0" Classes="folder_icon" Width="14" Height="14" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" Fill="Goldenrod" VerticalAlignment="Center"/>
-                <v:ChangeStatusIcon Grid.Column="0" Width="14" Height="14" IsWorkingCopyChange="False" Change="{Binding Backend}" IsVisible="{Binding !IsFolder}"/>
-                <TextBlock Grid.Column="1" Classes="monospace" Text="{Binding FullPath, Converter={x:Static c:PathConverters.PureFileName}}" Margin="6,0,0,0"/>
-              </Grid>
-            </TreeDataTemplate>
-          </TreeView.ItemTemplate>
-        </TreeView>
-      </Grid>
+      <v:ChangeCollectionView Grid.Row="3"
+                              IsWorkingCopyChange="False"
+                              SingleSelect="False"
+                              Background="{DynamicResource Brush.Contents}"
+                              ViewMode="{Binding Source={x:Static vm:Preference.Instance}, Path=StagedChangeViewMode}"
+                              Changes="{Binding Staged}"
+                              SelectedChanges="{Binding SelectedStaged, Mode=TwoWay}"
+                              ContextRequested="OnStagedContextRequested"
+                              ChangeDoubleTapped="OnStagedChangeDoubleTapped"
+                              KeyDown="OnStagedKeyDown"/>
     </Grid>
 
     <GridSplitter Grid.Column="1"
@@ -384,14 +188,9 @@
                   Margin="12,0,0,0"
                   HorizontalAlignment="Left"
                   IsChecked="{Binding UseAmend, Mode=TwoWay}"
-                  Content="{DynamicResource Text.WorkingCopy.Amend}"
-                  Checked="StartAmend"/>
+                  Content="{DynamicResource Text.WorkingCopy.Amend}"/>
 
-        <Path Grid.Column="3"
-              Classes="rotating"
-              Width="18" Height="18"
-              Data="{StaticResource Icons.Loading}"
-              IsVisible="{Binding IsCommitting}"/>
+        <v:LoadingIcon Grid.Column="3" Width="18" Height="18" IsVisible="{Binding IsCommitting}"/>
 
         <Button Grid.Column="4"
                 Classes="flat primary"
@@ -399,7 +198,7 @@
                 Height="28"
                 Margin="8,0,0,0"
                 Padding="8,0"
-                Click="Commit"/>
+                Command="{Binding Commit}"/>
 
         <Button Grid.Column="5"
                 Classes="flat"
@@ -407,14 +206,8 @@
                 Height="28"
                 Margin="8,0,0,0"
                 Padding="8,0"
-                Click="CommitWithPush">
-          <Button.IsVisible>
-            <MultiBinding Converter="{x:Static BoolConverters.And}">
-              <Binding Path="$parent[v:Repository].DataContext.(vm:Repository).CanCommitWithPush"/>
-              <Binding Path="!UseAmend"/>
-            </MultiBinding>
-          </Button.IsVisible>
-        </Button>
+                Command="{Binding CommitWithPush}"
+                IsVisible="{Binding IsCommitWithPushVisible}"/>
       </Grid>
     </Grid>
   </Grid>

src/Views/WorkingCopy.axaml.cs

@@ -1,9 +1,6 @@
-using System.Collections.Generic;
-
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
-using Avalonia.VisualTree;
 
 namespace SourceGit.Views
 {
@@ -14,313 +11,6 @@ namespace SourceGit.Views
             InitializeComponent();
         }
 
-        private void ViewAssumeUnchanged(object sender, RoutedEventArgs e)
-        {
-            var repoPage = this.FindAncestorOfType<Repository>();
-            if (repoPage != null)
-            {
-                var repo = (repoPage.DataContext as ViewModels.Repository).FullPath;
-                var window = new AssumeUnchangedManager();
-                window.DataContext = new ViewModels.AssumeUnchangedManager(repo);
-                window.ShowDialog((Window)TopLevel.GetTopLevel(this));
-            }
-
-            e.Handled = true;
-        }
-
-        private void StageSelected(object sender, RoutedEventArgs e)
-        {
-            var vm = DataContext as ViewModels.WorkingCopy;
-            if (vm == null)
-                return;
-
-            List<Models.Change> selected = new List<Models.Change>();
-            switch (ViewModels.Preference.Instance.UnstagedChangeViewMode)
-            {
-                case Models.ChangeViewMode.List:
-                    foreach (var item in unstagedList.SelectedItems)
-                    {
-                        if (item is Models.Change change)
-                            selected.Add(change);
-                    }
-                    break;
-                case Models.ChangeViewMode.Grid:
-                    foreach (var item in unstagedGrid.SelectedItems)
-                    {
-                        if (item is Models.Change change)
-                            selected.Add(change);
-                    }
-                    break;
-                default:
-                    foreach (var item in unstagedTree.SelectedItems)
-                    {
-                        if (item is ViewModels.FileTreeNode node)
-                            CollectChangesFromNode(selected, node);
-                    }
-                    break;
-            }
-
-            vm.StageChanges(selected);
-            e.Handled = true;
-        }
-
-        private void StageAll(object sender, RoutedEventArgs e)
-        {
-            var vm = DataContext as ViewModels.WorkingCopy;
-            if (vm == null)
-                return;
-
-            vm.StageChanges(vm.Unstaged);
-            e.Handled = true;
-        }
-
-        private void UnstageSelected(object sender, RoutedEventArgs e)
-        {
-            var vm = DataContext as ViewModels.WorkingCopy;
-            if (vm == null)
-                return;
-
-            List<Models.Change> selected = new List<Models.Change>();
-            switch (ViewModels.Preference.Instance.StagedChangeViewMode)
-            {
-                case Models.ChangeViewMode.List:
-                    foreach (var item in stagedList.SelectedItems)
-                    {
-                        if (item is Models.Change change)
-                            selected.Add(change);
-                    }
-                    break;
-                case Models.ChangeViewMode.Grid:
-                    foreach (var item in stagedGrid.SelectedItems)
-                    {
-                        if (item is Models.Change change)
-                            selected.Add(change);
-                    }
-                    break;
-                default:
-                    foreach (var item in stagedTree.SelectedItems)
-                    {
-                        if (item is ViewModels.FileTreeNode node)
-                            CollectChangesFromNode(selected, node);
-                    }
-                    break;
-            }
-
-            vm.UnstageChanges(selected);
-            e.Handled = true;
-        }
-
-        private void UnstageAll(object sender, RoutedEventArgs e)
-        {
-            var vm = DataContext as ViewModels.WorkingCopy;
-            if (vm == null)
-                return;
-
-            vm.UnstageChanges(vm.Staged);
-            e.Handled = true;
-        }
-
-        private void OnUnstagedListKeyDown(object sender, KeyEventArgs e)
-        {
-            var datagrid = sender as DataGrid;
-            if (datagrid.SelectedItems.Count > 0 && e.Key == Key.Space && DataContext is ViewModels.WorkingCopy vm)
-            {
-                List<Models.Change> selected = new List<Models.Change>();
-                foreach (var item in datagrid.SelectedItems)
-                {
-                    if (item is Models.Change change)
-                        selected.Add(change);
-                }
-
-                vm.StageChanges(selected);
-            }
-
-            e.Handled = true;
-        }
-
-        private void OnUnstagedTreeViewKeyDown(object sender, KeyEventArgs e)
-        {
-            var tree = sender as TreeView;
-            if (tree.SelectedItems.Count > 0 && e.Key == Key.Space && DataContext is ViewModels.WorkingCopy vm)
-            {
-                List<Models.Change> selected = new List<Models.Change>();
-                foreach (var item in tree.SelectedItems)
-                {
-                    if (item is ViewModels.FileTreeNode node)
-                        CollectChangesFromNode(selected, node);
-                }
-
-                vm.StageChanges(selected);
-            }
-
-            e.Handled = true;
-        }
-
-        private void OnStagedListKeyDown(object sender, KeyEventArgs e)
-        {
-            var datagrid = sender as DataGrid;
-            if (datagrid.SelectedItems.Count > 0 && e.Key == Key.Space && DataContext is ViewModels.WorkingCopy vm)
-            {
-                List<Models.Change> selected = new List<Models.Change>();
-                foreach (var item in datagrid.SelectedItems)
-                {
-                    if (item is Models.Change change)
-                        selected.Add(change);
-                }
-
-                vm.UnstageChanges(selected);
-            }
-
-            e.Handled = true;
-        }
-
-        private void OnStagedTreeViewKeyDown(object sender, KeyEventArgs e)
-        {
-            var tree = sender as TreeView;
-            if (tree.SelectedItems.Count > 0 && e.Key == Key.Space && DataContext is ViewModels.WorkingCopy vm)
-            {
-                List<Models.Change> selected = new List<Models.Change>();
-                foreach (var item in tree.SelectedItems)
-                {
-                    if (item is ViewModels.FileTreeNode node)
-                        CollectChangesFromNode(selected, node);
-                }
-
-                vm.UnstageChanges(selected);
-            }
-
-            e.Handled = true;
-        }
-
-        private void OnUnstagedListContextRequested(object sender, ContextRequestedEventArgs e)
-        {
-            var datagrid = sender as DataGrid;
-            if (datagrid.SelectedItems.Count > 0 && DataContext is ViewModels.WorkingCopy vm)
-            {
-                List<Models.Change> selected = new List<Models.Change>();
-                foreach (var item in datagrid.SelectedItems)
-                {
-                    if (item is Models.Change change)
-                        selected.Add(change);
-                }
-
-                var menu = vm.CreateContextMenuForUnstagedChanges(selected);
-                datagrid.OpenContextMenu(menu);
-            }
-
-            e.Handled = true;
-        }
-
-        private void OnUnstagedTreeViewContextRequested(object sender, ContextRequestedEventArgs e)
-        {
-            var tree = sender as TreeView;
-            if (tree.SelectedItems.Count > 0 && DataContext is ViewModels.WorkingCopy vm)
-            {
-                List<Models.Change> selected = new List<Models.Change>();
-                foreach (var item in tree.SelectedItems)
-                {
-                    if (item is ViewModels.FileTreeNode node)
-                        CollectChangesFromNode(selected, node);
-                }
-
-                var menu = vm.CreateContextMenuForUnstagedChanges(selected);
-                tree.OpenContextMenu(menu);
-            }
-
-            e.Handled = true;
-        }
-
-        private void OnStagedListContextRequested(object sender, ContextRequestedEventArgs e)
-        {
-            var datagrid = sender as DataGrid;
-            if (datagrid.SelectedItems.Count > 0 && DataContext is ViewModels.WorkingCopy vm)
-            {
-                List<Models.Change> selected = new List<Models.Change>();
-                foreach (var item in datagrid.SelectedItems)
-                {
-                    if (item is Models.Change change)
-                        selected.Add(change);
-                }
-
-                var menu = vm.CreateContextMenuForStagedChanges(selected);
-                datagrid.OpenContextMenu(menu);
-            }
-
-            e.Handled = true;
-        }
-
-        private void OnStagedTreeViewContextRequested(object sender, ContextRequestedEventArgs e)
-        {
-            var tree = sender as TreeView;
-            if (tree.SelectedItems.Count > 0 && DataContext is ViewModels.WorkingCopy vm)
-            {
-                List<Models.Change> selected = new List<Models.Change>();
-                foreach (var item in tree.SelectedItems)
-                {
-                    if (item is ViewModels.FileTreeNode node)
-                        CollectChangesFromNode(selected, node);
-                }
-
-                var menu = vm.CreateContextMenuForStagedChanges(selected);
-                tree.OpenContextMenu(menu);
-            }
-
-            e.Handled = true;
-        }
-
-        private void StartAmend(object sender, RoutedEventArgs e)
-        {
-            var repoPage = this.FindAncestorOfType<Repository>();
-            if (repoPage != null)
-            {
-                var repo = (repoPage.DataContext as ViewModels.Repository).FullPath;
-                var commits = new Commands.QueryCommits(repo, "-n 1", false).Result();
-                if (commits.Count == 0)
-                {
-                    App.RaiseException(repo, "No commits to amend!!!");
-
-                    var chkBox = sender as CheckBox;
-                    chkBox.IsChecked = false;
-                    e.Handled = true;
-                    return;
-                }
-
-                var vm = DataContext as ViewModels.WorkingCopy;
-                vm.CommitMessage = commits[0].FullMessage;
-            }
-
-            e.Handled = true;
-        }
-
-        private void Commit(object sender, RoutedEventArgs e)
-        {
-            var vm = DataContext as ViewModels.WorkingCopy;
-            vm.DoCommit(false);
-            e.Handled = true;
-        }
-
-        private void CommitWithPush(object sender, RoutedEventArgs e)
-        {
-            var vm = DataContext as ViewModels.WorkingCopy;
-            vm.DoCommit(true);
-            e.Handled = true;
-        }
-
-        private void CollectChangesFromNode(List<Models.Change> outs, ViewModels.FileTreeNode node)
-        {
-            if (node.IsFolder)
-            {
-                foreach (var child in node.Children)
-                    CollectChangesFromNode(outs, child);
-            }
-            else
-            {
-                var change = node.Backend as Models.Change;
-                if (change != null && !outs.Contains(change))
-                    outs.Add(change);
-            }
-        }
-
         private void OnOpenCommitMessagePicker(object sender, RoutedEventArgs e)
         {
             if (sender is Button button && DataContext is ViewModels.WorkingCopy vm)
@@ -331,5 +21,61 @@ namespace SourceGit.Views
                 e.Handled = true;
             }
         }
+
+        private void OnUnstagedContextRequested(object sender, ContextRequestedEventArgs e)
+        {
+            if (DataContext is ViewModels.WorkingCopy vm)
+            {
+                var menu = vm.CreateContextMenuForUnstagedChanges();
+                (sender as Control)?.OpenContextMenu(menu);
+                e.Handled = true;
+            }
+        }
+
+        private void OnStagedContextRequested(object sender, ContextRequestedEventArgs e)
+        {
+            if (DataContext is ViewModels.WorkingCopy vm)
+            {
+                var menu = vm.CreateContextMenuForStagedChanges();
+                (sender as Control)?.OpenContextMenu(menu);
+                e.Handled = true;
+            }
+        }
+
+        private void OnUnstagedChangeDoubleTapped(object sender, RoutedEventArgs e)
+        {
+            if (DataContext is ViewModels.WorkingCopy vm)
+            {
+                vm.StageSelected();
+                e.Handled = true;
+            }
+        }
+
+        private void OnStagedChangeDoubleTapped(object sender, RoutedEventArgs e)
+        {
+            if (DataContext is ViewModels.WorkingCopy vm)
+            {
+                vm.UnstageSelected();
+                e.Handled = true;
+            }
+        }
+
+        private void OnUnstagedKeyDown(object sender, KeyEventArgs e)
+        {
+            if (DataContext is ViewModels.WorkingCopy vm && e.Key == Key.Space)
+            {
+                vm.StageSelected();
+                e.Handled = true;
+            }
+        }
+
+        private void OnStagedKeyDown(object sender, KeyEventArgs e)
+        {
+            if (DataContext is ViewModels.WorkingCopy vm && e.Key == Key.Space)
+            {
+                vm.UnstageSelected();
+                e.Handled = true;
+            }
+        }
     }
 }