feature: allow deleting multiple branches at one time (#137)

src/Converters/BranchTreeNodeConverters.cs

@@ -0,0 +1,99 @@
+using System.Collections.Generic;
+
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Data.Converters;
+
+namespace SourceGit.Converters
+{
+    public static class BranchTreeNodeConverters
+    {
+        public static readonly CornerRadius DEFAULT = new CornerRadius(4);
+        
+        public static readonly FuncMultiValueConverter<object, CornerRadius> ToCornerRadius =
+            new FuncMultiValueConverter<object, CornerRadius>(v =>
+            {
+                if (v == null)
+                    return DEFAULT;
+
+                var array = new List<object>();
+                array.AddRange(v);
+                if (array.Count != 2)
+                    return DEFAULT;
+
+                var item = array[1] as TreeViewItem;
+                if (item == null || !item.IsSelected)
+                    return DEFAULT;
+
+                var prev = GetPrevTreeViewItem(item);
+                var next = GetNextTreeViewItem(item, true);
+
+                double top = 4, bottom = 4;
+                if (prev != null && prev.IsSelected)
+                    top = 0;
+                if (next != null && next.IsSelected)
+                    bottom = 0;
+
+                return new CornerRadius(top, bottom);
+            });
+
+        private static TreeViewItem GetPrevTreeViewItem(TreeViewItem item)
+        {
+            if (item.Parent is TreeView tree)
+            {
+                var idx = tree.IndexFromContainer(item);
+                if (idx == 0)
+                    return null;
+
+                var prev = tree.ContainerFromIndex(idx - 1) as TreeViewItem;
+                if (prev != null && prev.IsExpanded && prev.ItemCount > 0)
+                    return prev.ContainerFromIndex(prev.ItemCount - 1) as TreeViewItem;
+
+                return prev;
+            }
+            else if (item.Parent is TreeViewItem parentItem)
+            {
+                var idx = parentItem.IndexFromContainer(item);
+                if (idx == 0)
+                    return parentItem;
+
+                var prev = parentItem.ContainerFromIndex(idx - 1) as TreeViewItem;
+                if (prev != null && prev.IsExpanded && prev.ItemCount > 0)
+                    return prev.ContainerFromIndex(prev.ItemCount - 1) as TreeViewItem;
+
+                return prev;
+            }
+            else
+            {
+                return null;
+            }
+        }
+
+        private static TreeViewItem GetNextTreeViewItem(TreeViewItem item, bool intoSelf = false)
+        {
+            if (intoSelf && item.IsExpanded && item.ItemCount > 0)
+                return item.ContainerFromIndex(0) as TreeViewItem;
+            
+            if (item.Parent is TreeView tree)
+            {
+                var idx = tree.IndexFromContainer(item);
+                if (idx == tree.ItemCount - 1)
+                    return null;
+
+                return tree.ContainerFromIndex(idx + 1) as TreeViewItem;
+            }
+            else if (item.Parent is TreeViewItem parentItem)
+            {
+                var idx = parentItem.IndexFromContainer(item);
+                if (idx == parentItem.ItemCount - 1)
+                    return GetNextTreeViewItem(parentItem);
+                
+                return parentItem.ContainerFromIndex(idx + 1) as TreeViewItem;
+            }
+            else
+            {
+                return null;
+            }
+        }
+    }
+}

src/Resources/Locales/en_US.axaml

@@ -35,6 +35,7 @@
   <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Checkout${0}$</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>
   <x:String x:Key="Text.BranchCM.DiscardAll" xml:space="preserve">Discard all changes</x:String>
   <x:String x:Key="Text.BranchCM.FastForward" xml:space="preserve">Fast-Forward to${0}$</x:String>
   <x:String x:Key="Text.BranchCM.Finish" xml:space="preserve">Git Flow - Finish${0}$</x:String>
@@ -128,6 +129,9 @@
   <x:String x:Key="Text.DeleteBranch.Branch" xml:space="preserve">Branch :</x:String>
   <x:String x:Key="Text.DeleteBranch.IsRemoteTip" xml:space="preserve">You are about to delete a remote branch!!!</x:String>
   <x:String x:Key="Text.DeleteBranch.WithTrackingRemote" xml:space="preserve">Also delete remote branch${0}$</x:String>
+  <x:String x:Key="Text.DeleteMultiBranch" xml:space="preserve">Delete Multiple Branches</x:String>
+  <x:String x:Key="Text.DeleteMultiBranch.Targets" xml:space="preserve">Targets : </x:String>
+  <x:String x:Key="Text.DeleteMultiBranch.Tip" xml:space="preserve">You are trying to delete multiple branches at one time. Be sure to double-check before taking action!</x:String>
   <x:String x:Key="Text.DeleteRemote" xml:space="preserve">Delete Remote</x:String>
   <x:String x:Key="Text.DeleteRemote.Remote" xml:space="preserve">Remote :</x:String>
   <x:String x:Key="Text.DeleteRepositoryNode.Target" xml:space="preserve">Target :</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -35,6 +35,7 @@
   <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">检出(checkout)${0}$</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>
   <x:String x:Key="Text.BranchCM.DiscardAll" xml:space="preserve">放弃所有更改</x:String>
   <x:String x:Key="Text.BranchCM.FastForward" xml:space="preserve">快进(fast-forward)到${0}$</x:String>
   <x:String x:Key="Text.BranchCM.Finish" xml:space="preserve">GIT工作流 - 完成${0}$</x:String>
@@ -128,6 +129,9 @@
   <x:String x:Key="Text.DeleteBranch.Branch" xml:space="preserve">分支名 ：</x:String>
   <x:String x:Key="Text.DeleteBranch.IsRemoteTip" xml:space="preserve">您正在删除远程上的分支，请务必小心！！！</x:String>
   <x:String x:Key="Text.DeleteBranch.WithTrackingRemote" xml:space="preserve">同时删除远程分支${0}$</x:String>
+  <x:String x:Key="Text.DeleteMultiBranch" xml:space="preserve">删除多个分支</x:String>
+  <x:String x:Key="Text.DeleteMultiBranch.Targets" xml:space="preserve">分支列表 ：</x:String>
+  <x:String x:Key="Text.DeleteMultiBranch.Tip" xml:space="preserve">您正在尝试一次性删除多个分支，请务必仔细检查后再执行操作！</x:String>
   <x:String x:Key="Text.DeleteRemote" xml:space="preserve">删除远程确认</x:String>
   <x:String x:Key="Text.DeleteRemote.Remote" xml:space="preserve">远程名 ：</x:String>
   <x:String x:Key="Text.DeleteRepositoryNode.Target" xml:space="preserve">目标 ：</x:String>

src/Resources/Styles.axaml

@@ -486,37 +486,15 @@
   </Style>
 
   <Style Selector="ListBox.page_switcher ListBoxItem">
-    <Setter Property="Template">
+    <Setter Property="Margin" Value="4,0,2,0"/>
-      <ControlTemplate>
+    <Setter Property="Padding" Value="0"/>
-        <Grid>
+    <Setter Property="CornerRadius" Value="4"/>
-          <ContentPresenter Name="PART_ContentPresenter"
-                            Background="{TemplateBinding Background}"
-                            BorderBrush="{TemplateBinding BorderBrush}"
-                            BorderThickness="{TemplateBinding BorderThickness}"
-                            CornerRadius="{TemplateBinding CornerRadius}"
-                            ContentTemplate="{TemplateBinding ContentTemplate}"
-                            Content="{TemplateBinding Content}"
-                            Padding="{TemplateBinding Padding}"
-                            VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
-                            HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" />
-
-          <Border Background="{DynamicResource Brush.FG2}"
-                  Width="4"
-                  HorizontalAlignment="Left" VerticalAlignment="Stretch"
-                  IsHitTestVisible="False"
-                  IsVisible="{TemplateBinding IsSelected}"/>
-        </Grid>
-      </ControlTemplate>
-    </Setter>
-  </Style>
-  <Style Selector="ListBox.page_switcher ListBoxItem:selected /template/ ContentPresenter#PART_ContentPresenter">
-    <Setter Property="Background" Value="{DynamicResource Brush.SwitcherBG}"/>
   </Style>
   <Style Selector="ListBox.page_switcher ListBoxItem:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-    <Setter Property="Background" Value="{DynamicResource Brush.SwitcherHover}"/>
+    <Setter Property="Background" Value="Transparent"/>
   </Style>
-  <Style Selector="ListBox.page_switcher ListBoxItem:selected:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+  <Style Selector="ListBox.page_switcher ListBoxItem:selected /template/ ContentPresenter#PART_ContentPresenter">
-    <Setter Property="Background" Value="{DynamicResource Brush.SwitcherBG}"/>
+    <Setter Property="Background" Value="{DynamicResource Brush.AccentHovered}"/>
   </Style>
 
   <Style Selector="ContextMenu">

src/Resources/Themes.axaml

@@ -14,8 +14,6 @@
       <Color x:Key="Color.Decorator">#FF6F6F6F</Color>
       <Color x:Key="Color.DecoratorIcon">#FFF8F8F8</Color>
       <Color x:Key="Color.Conflict">#FF836C2E</Color>
-      <Color x:Key="Color.SwitcherHover">#FFDFDFDF</Color>
-      <Color x:Key="Color.SwitcherBG">#FFCFCFCF</Color>
       <Color x:Key="Color.Border0">#FFCFCFCF</Color>
       <Color x:Key="Color.Border1">#FF898989</Color>
       <Color x:Key="Color.Border2">#FFCFCFCF</Color>
@@ -42,8 +40,6 @@
       <Color x:Key="Color.Decorator">#FF505050</Color>
       <Color x:Key="Color.DecoratorIcon">#FFF8F8F8</Color>
       <Color x:Key="Color.Conflict">#FFFAFAD2</Color>
-      <Color x:Key="Color.SwitcherHover">#FF323232</Color>
-      <Color x:Key="Color.SwitcherBG">#FF3F3F3F</Color>
       <Color x:Key="Color.Border0">#FF181818</Color>
       <Color x:Key="Color.Border1">#FF7C7C7C</Color>
       <Color x:Key="Color.Border2">#FF404040</Color>
@@ -70,8 +66,6 @@
   <SolidColorBrush x:Key="Brush.Decorator" Color="{DynamicResource Color.Decorator}"/>
   <SolidColorBrush x:Key="Brush.DecoratorIcon" Color="{DynamicResource Color.DecoratorIcon}"/>
   <SolidColorBrush x:Key="Brush.Conflict" Color="{DynamicResource Color.Conflict}"/>
-  <SolidColorBrush x:Key="Brush.SwitcherHover" Color="{DynamicResource Color.SwitcherHover}"/>
-  <SolidColorBrush x:Key="Brush.SwitcherBG" Color="{DynamicResource Color.SwitcherBG}"/>
   <SolidColorBrush x:Key="Brush.Border0" Color="{DynamicResource Color.Border0}"/>
   <SolidColorBrush x:Key="Brush.Border1" Color="{DynamicResource Color.Border1}"/>
   <SolidColorBrush x:Key="Brush.Border2" Color="{DynamicResource Color.Border2}"/>

src/ViewModels/DeleteMultipleBranches.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace SourceGit.ViewModels
+{
+    public class DeleteMultipleBranches : Popup
+    {
+        public List<Models.Branch> Targets
+        {
+            get;
+        }
+
+        public DeleteMultipleBranches(Repository repo, List<Models.Branch> branches, bool isLocal)
+        {
+            _repo = repo;
+            _isLocal = isLocal;
+            Targets = branches;
+            View = new Views.DeleteMultipleBranches() { DataContext = this };
+        }
+        
+        public override Task<bool> Sure()
+        {
+            _repo.SetWatcherEnabled(false);
+            ProgressDescription = "Deleting multiple branches...";
+
+            return Task.Run(() =>
+            {
+                if (_isLocal)
+                {
+                    foreach (var target in Targets)
+                    {
+                        SetProgressDescription($"Deleting local branch : {target.Name}");
+                        Commands.Branch.DeleteLocal(_repo.FullPath, target.Name);
+                    }
+                }
+                else
+                {
+                    foreach (var target in Targets)
+                    {
+                        SetProgressDescription($"Deleting remote branch : {target.Remote}/{target.Name}");
+                        Commands.Branch.DeleteRemote(_repo.FullPath, target.Remote, target.Name);
+                    }
+                }
+
+                CallUIThread(() => _repo.SetWatcherEnabled(true));
+                return true;
+            });
+        }
+
+        private Repository _repo = null;
+        private bool _isLocal = false;
+    }
+}

src/ViewModels/Repository.cs

@@ -722,6 +722,12 @@ namespace SourceGit.ViewModels
                 PopupHost.ShowAndStartPopup(new Checkout(this, branch));
         }
 
+        public void DeleteMultipleBranches(List<Models.Branch> branches, bool isLocal)
+        {
+            if (PopupHost.CanCreatePopup())
+                PopupHost.ShowPopup(new DeleteMultipleBranches(this, branches, isLocal));
+        }
+
         public void CreateNewTag()
         {
             var current = Branches.Find(x => x.IsCurrent);

src/Views/ContextMenuExtension.cs

@@ -8,6 +8,8 @@ namespace SourceGit.Views
     {
         public static void OpenContextMenu(this Control control, ContextMenu menu)
         {
+            if (menu == null) return;
+            
             menu.PlacementTarget = control;
             menu.Closing += OnContextMenuClosing; // Clear context menu because it is dynamic.
 

src/Views/DeleteMultipleBranches.axaml

@@ -0,0 +1,88 @@
+<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: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.DeleteMultipleBranches"
+             x:DataType="vm:DeleteMultipleBranches">
+  <StackPanel Orientation="Vertical" Margin="8,0">
+    <TextBlock FontSize="18"
+               Classes="bold"
+               Text="{DynamicResource Text.DeleteMultiBranch}" />
+
+    <Grid Margin="0,16,8,0" RowDefinitions="Auto,Auto" ColumnDefinitions="120,*">
+      <TextBlock Grid.Row="0" Grid.Column="0"
+                 HorizontalAlignment="Right" VerticalAlignment="Top"
+                 Text="{DynamicResource Text.DeleteMultiBranch.Targets}" />
+      <Border Grid.Row="0" Grid.Column="1"
+              Background="{DynamicResource Brush.Contents}"
+              BorderThickness="1"
+              BorderBrush="{DynamicResource Brush.Border1}"
+              CornerRadius="4"
+              Padding="4">
+        <DataGrid MaxHeight="200"
+                  Background="Transparent"
+                  BorderThickness="0"
+                  ItemsSource="{Binding Targets}"
+                  SelectionMode="Single"
+                  CanUserReorderColumns="False"
+                  CanUserResizeColumns="False"
+                  CanUserSortColumns="False"
+                  IsReadOnly="True"
+                  HeadersVisibility="None"
+                  Focusable="False"
+                  RowHeight="26"
+                  HorizontalScrollBarVisibility="Auto"
+                  VerticalScrollBarVisibility="Auto">
+          <DataGrid.Styles>
+            <Style Selector="DataGridRow">
+              <Setter Property="CornerRadius" Value="4" />
+            </Style>
+
+            <Style Selector="DataGridRow /template/ Border#RowBorder">
+              <Setter Property="ClipToBounds" Value="True" />
+            </Style>
+
+            <Style Selector="DataGridRow:pointerover /template/ Rectangle#BackgroundRectangle">
+              <Setter Property="Fill" Value="{DynamicResource Brush.AccentHovered}" />
+            </Style>
+
+            <Style Selector="DataGridRow:selected /template/ Rectangle#BackgroundRectangle">
+              <Setter Property="Fill" Value="{DynamicResource Brush.Accent}" />
+            </Style>
+          </DataGrid.Styles>
+
+          <DataGrid.Columns>
+            <DataGridTemplateColumn Header="ICON">
+              <DataGridTemplateColumn.CellTemplate>
+                <DataTemplate>
+                  <Path Width="10" Height="10" Margin="4,0,8,0" Data="{StaticResource Icons.Branch}" />
+                </DataTemplate>
+              </DataGridTemplateColumn.CellTemplate>
+            </DataGridTemplateColumn>
+
+            <DataGridTemplateColumn Width="*" Header="NAME">
+              <DataGridTemplateColumn.CellTemplate>
+                <DataTemplate>
+                  <TextBlock Text="{Binding Converter={x:Static c:BranchConverters.ToName}}" ClipToBounds="True"
+                             Classes="monospace" />
+                </DataTemplate>
+              </DataGridTemplateColumn.CellTemplate>
+            </DataGridTemplateColumn>
+          </DataGrid.Columns>
+        </DataGrid>
+      </Border>
+      
+      <TextBlock Grid.Row="1" Grid.Column="1"
+                 Margin="0,8,0,0"
+                 Text="{DynamicResource Text.DeleteMultiBranch.Tip}"
+                 TextWrapping="Wrap"
+                 Foreground="{DynamicResource Brush.FG2}"
+                 FontStyle="Italic" />
+    </Grid>
+  </StackPanel>
+</UserControl>

src/Views/DeleteMultipleBranches.axaml.cs

@@ -0,0 +1,13 @@
+using Avalonia.Controls;
+
+namespace SourceGit.Views
+{
+    public partial class DeleteMultipleBranches : UserControl
+    {
+        public DeleteMultipleBranches()
+        {
+            InitializeComponent();
+        }
+    }
+}
+

src/Views/Repository.axaml

@@ -109,7 +109,7 @@
       </Grid.ColumnDefinitions>
 
       <!-- Left Normal Mode -->
-      <Grid Grid.Column="0" RowDefinitions="28,Auto,5,28,28,Auto,28,*,28,Auto,28,Auto" Margin="0,0,0,4" IsVisible="{Binding !IsSearching}">
+      <Grid Grid.Column="0" Classes="repository_leftpanel" RowDefinitions="28,Auto,5,28,28,Auto,28,*,28,Auto,28,Auto" Margin="0,0,0,4" IsVisible="{Binding !IsSearching}">
         <!-- WorkingCopy -->
         <TextBlock Grid.Row="0" Classes="group_header_label" Text="{DynamicResource Text.Repository.Workspace}"/>
         <ListBox Grid.Row="1" Classes="page_switcher" Background="Transparent" SelectedIndex="{Binding SelectedViewIndex, Mode=TwoWay}">
@@ -119,14 +119,14 @@
             </ItemsPanelTemplate>
           </ListBox.ItemsPanel>
 
-          <ListBoxItem Height="28" Padding="0">
+          <ListBoxItem Height="28">
             <Grid Margin="16,0,0,0" Height="28" ColumnDefinitions="20,*">
               <Path Grid.Column="0" Width="12" Height="12" HorizontalAlignment="Left" Data="{StaticResource Icons.Histories}"/>
               <TextBlock Grid.Column="1" Classes="monospace" Text="{DynamicResource Text.Histories}"/>
             </Grid>
           </ListBoxItem>
 
-          <ListBoxItem Height="28" Padding="0">
+          <ListBoxItem Height="28">
             <Grid Margin="16,0,0,0" Height="28" ColumnDefinitions="20,*,Auto">
               <Path Grid.Column="0" Width="12" Height="12" HorizontalAlignment="Left" Data="{StaticResource Icons.Send}"/>
               <TextBlock Grid.Column="1" Classes="monospace" Text="{DynamicResource Text.WorkingCopy}"/>
@@ -142,7 +142,7 @@
             </Grid>
           </ListBoxItem>
 
-          <ListBoxItem Height="28" Padding="0">
+          <ListBoxItem Height="28">
             <Grid Margin="16,0,0,0" Height="28" ColumnDefinitions="20,*,Auto">
               <Path Grid.Column="0" Width="12" Height="12" HorizontalAlignment="Left" Data="{StaticResource Icons.Stashes}"/>
               <TextBlock Grid.Column="1" Classes="monospace" Text="{DynamicResource Text.Stashes}"/>
@@ -198,19 +198,37 @@
         <TreeView Grid.Row="5"
                   x:Name="localBranchTree"
                   MaxHeight="400"
+                  Margin="4,0,2,0"
+                  SelectionMode="Multiple"
                   ItemsSource="{Binding LocalBranchTrees}"
                   ScrollViewer.HorizontalScrollBarVisibility="Disabled"
                   ScrollViewer.VerticalScrollBarVisibility="Auto"
-                  LostFocus="OnLocalBranchTreeLostFocus"
+                  ContextRequested="OnLocalBranchContextMenuRequested"
                   SelectionChanged="OnLocalBranchTreeSelectionChanged">
           <TreeView.Styles>
             <Style Selector="TreeViewItem" x:DataType="vm:BranchTreeNode">
               <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
+              <Setter Property="CornerRadius">
+                <Setter.Value>
+                  <MultiBinding Converter="{x:Static c:BranchTreeNodeConverters.ToCornerRadius}">
+                    <Binding Path="$parent[v:Repository].RefereshLocalBranchSelectionToken"/>
+                    <Binding Path="$self"/>
+                  </MultiBinding>
+                </Setter.Value>
+              </Setter>
+            </Style>
+
+            <Style Selector="Grid.repository_leftpanel TreeViewItem:selected /template/ Border#PART_LayoutRoot">
+              <Setter Property="Background" Value="{DynamicResource Brush.AccentHovered}" />
+            </Style>
+            
+            <Style Selector="Grid.repository_leftpanel:focus-within TreeViewItem:selected /template/ Border#PART_LayoutRoot">
+              <Setter Property="Background" Value="{DynamicResource Brush.Accent}" />
             </Style>
           </TreeView.Styles>
           <TreeView.ItemTemplate>
             <TreeDataTemplate ItemsSource="{Binding Children}" x:DataType="{x:Type vm:BranchTreeNode}">
-              <Grid Height="24" ColumnDefinitions="20,*,Auto,Auto" Background="Transparent" ContextRequested="OnLocalBranchContextMenuRequested" DoubleTapped="OnDoubleTappedLocalBranchNode">
+              <Grid Height="24" ColumnDefinitions="20,*,Auto,Auto" Background="Transparent" DoubleTapped="OnDoubleTappedLocalBranchNode">
                 <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">
@@ -250,20 +268,38 @@
         </Grid>
         <TreeView Grid.Row="7"
                   x:Name="remoteBranchTree"
+                  Margin="4,0,2,0"
+                  SelectionMode="Multiple"
                   ItemsSource="{Binding RemoteBranchTrees}"
                   ScrollViewer.HorizontalScrollBarVisibility="Disabled"
                   ScrollViewer.VerticalScrollBarVisibility="Auto"
-                  LostFocus="OnRemoteBranchTreeLostFocus"
+                  ContextRequested="OnRemoteBranchContextMenuRequested"
                   SelectionChanged="OnRemoteBranchTreeSelectionChanged">
           <TreeView.Styles>
             <Style Selector="TreeViewItem" x:DataType="vm:BranchTreeNode">
               <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
+              <Setter Property="CornerRadius">
+                <Setter.Value>
+                  <MultiBinding Converter="{x:Static c:BranchTreeNodeConverters.ToCornerRadius}">
+                    <Binding Path="$parent[v:Repository].RefereshRemoteBranchSelectionToken"/>
+                    <Binding Path="$self"/>
+                  </MultiBinding>
+                </Setter.Value>
+              </Setter>
+            </Style>
+
+            <Style Selector="Grid.repository_leftpanel TreeViewItem:selected /template/ Border#PART_LayoutRoot">
+              <Setter Property="Background" Value="{DynamicResource Brush.AccentHovered}" />
+            </Style>
+
+            <Style Selector="Grid.repository_leftpanel:focus-within TreeViewItem:selected /template/ Border#PART_LayoutRoot">
+              <Setter Property="Background" Value="{DynamicResource Brush.Accent}" />
             </Style>
           </TreeView.Styles>
 
           <TreeView.ItemTemplate>
             <TreeDataTemplate ItemsSource="{Binding Children}" x:DataType="{x:Type vm:BranchTreeNode}">
-              <Grid Height="24" ColumnDefinitions="20,*,Auto" Background="Transparent" ContextRequested="OnRemoteBranchContextMenuRequested">
+              <Grid Height="24" ColumnDefinitions="20,*,Auto" Background="Transparent">
                 <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"/>
@@ -294,7 +330,9 @@
           </Grid>
         </ToggleButton>
         <DataGrid Grid.Row="9"
+                  x:Name="tagsList"
                   MaxHeight="200"
+                  Margin="4,0,2,0"
                   Background="Transparent"
                   ItemsSource="{Binding Tags}"
                   SelectionMode="Single"
@@ -307,10 +345,27 @@
                   RowHeight="24"
                   HorizontalScrollBarVisibility="Disabled"
                   VerticalScrollBarVisibility="Auto"
-                  LostFocus="OnTagDataGridLostFocus"
                   IsVisible="{Binding IsTagGroupExpanded, Mode=OneWay}"
                   SelectionChanged="OnTagDataGridSelectionChanged"
                   ContextRequested="OnTagContextRequested">
+          <DataGrid.Styles>
+            <Style Selector="DataGridRow">
+              <Setter Property="CornerRadius" Value="4" />              
+            </Style>
+            
+            <Style Selector="DataGridRow /template/ Border#RowBorder">
+              <Setter Property="ClipToBounds" Value="True" />
+            </Style>
+            
+            <Style Selector="Grid.repository_leftpanel DataGridRow:selected /template/ Rectangle#BackgroundRectangle">
+              <Setter Property="Fill" Value="{DynamicResource Brush.AccentHovered}" />
+            </Style>
+
+            <Style Selector="Grid.repository_leftpanel:focus-within DataGridRow:selected /template/ Rectangle#BackgroundRectangle">
+              <Setter Property="Fill" Value="{DynamicResource Brush.Accent}" />
+            </Style>
+          </DataGrid.Styles>
+          
           <DataGrid.Columns>
             <DataGridTemplateColumn Header="ICON">
               <DataGridTemplateColumn.CellTemplate>
@@ -364,6 +419,7 @@
         </ToggleButton>
         <DataGrid Grid.Row="11"
                   MaxHeight="200"
+                  Margin="4,0,6,0"
                   Background="Transparent"
                   ItemsSource="{Binding Submodules}"
                   SelectionMode="Single"
@@ -378,6 +434,24 @@
                   VerticalScrollBarVisibility="Auto"
                   ContextRequested="OnSubmoduleContextRequested"
                   IsVisible="{Binding IsSubmoduleGroupExpanded, Mode=OneWay}">
+          <DataGrid.Styles>
+            <Style Selector="DataGridRow">
+              <Setter Property="CornerRadius" Value="4" />
+            </Style>
+
+            <Style Selector="DataGridRow /template/ Border#RowBorder">
+              <Setter Property="ClipToBounds" Value="True" />
+            </Style>
+
+            <Style Selector="DataGridRow:pointerover /template/ Rectangle#BackgroundRectangle">
+              <Setter Property="Fill" Value="{DynamicResource Brush.AccentHovered}" />
+            </Style>
+
+            <Style Selector="DataGridRow:selected /template/ Rectangle#BackgroundRectangle">
+              <Setter Property="Fill" Value="{DynamicResource Brush.Accent}" />
+            </Style>
+          </DataGrid.Styles>
+          
           <DataGrid.Columns>
             <DataGridTemplateColumn Header="ICON">
               <DataGridTemplateColumn.CellTemplate>
@@ -390,7 +464,7 @@
             <DataGridTemplateColumn Width="*" Header="NAME">
               <DataGridTemplateColumn.CellTemplate>
                 <DataTemplate>
-                  <TextBlock Text="{Binding}" Classes="monospace"/>
+                  <TextBlock Text="{Binding}" ClipToBounds="True" Classes="monospace"/>
                 </DataTemplate>
               </DataGridTemplateColumn.CellTemplate>
             </DataGridTemplateColumn>

src/Views/Repository.axaml.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 
 using Avalonia;
@@ -6,6 +7,7 @@ using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
 using Avalonia.Input;
 using Avalonia.Interactivity;
+using Avalonia.VisualTree;
 
 namespace SourceGit.Views
 {
@@ -56,6 +58,24 @@ namespace SourceGit.Views
 
     public partial class Repository : UserControl
     {
+        public static readonly StyledProperty<ulong> RefereshLocalBranchSelectionTokenProperty =
+            AvaloniaProperty.Register<Repository, ulong>(nameof(RefereshLocalBranchSelectionToken), 0);
+
+        public ulong RefereshLocalBranchSelectionToken
+        {
+            get => GetValue(RefereshLocalBranchSelectionTokenProperty);
+            set => SetValue(RefereshLocalBranchSelectionTokenProperty, value);
+        }
+
+        public static readonly StyledProperty<ulong> RefereshRemoteBranchSelectionTokenProperty =
+            AvaloniaProperty.Register<Repository, ulong>(nameof(RefereshRemoteBranchSelectionToken), 0);
+
+        public ulong RefereshRemoteBranchSelectionToken
+        {
+            get => GetValue(RefereshRemoteBranchSelectionTokenProperty);
+            set => SetValue(RefereshRemoteBranchSelectionTokenProperty, value);
+        }
+
         public Repository()
         {
             InitializeComponent();
@@ -71,34 +91,21 @@ namespace SourceGit.Views
             }
         }
 
-        private void OnLocalBranchTreeLostFocus(object sender, RoutedEventArgs e)
-        {
-            if (sender is TreeView tree)
-                tree.UnselectAll();
-        }
-
-        private void OnRemoteBranchTreeLostFocus(object sender, RoutedEventArgs e)
-        {
-            if (sender is TreeView tree)
-                tree.UnselectAll();
-        }
-
-        private void OnTagDataGridLostFocus(object sender, RoutedEventArgs e)
-        {
-            if (sender is DataGrid datagrid)
-                datagrid.SelectedItem = null;
-        }
-
         private void OnLocalBranchTreeSelectionChanged(object sender, SelectionChangedEventArgs e)
         {
             if (sender is TreeView tree && tree.SelectedItem != null)
             {
                 remoteBranchTree.UnselectAll();
+                tagsList.SelectedItem = null;
 
-                var node = tree.SelectedItem as ViewModels.BranchTreeNode;
+                var next = RefereshLocalBranchSelectionToken + 1;
-                if (node.IsBranch && DataContext is ViewModels.Repository repo)
+                SetCurrentValue(RefereshLocalBranchSelectionTokenProperty, next);
+
+                if (tree.SelectedItems.Count == 1)
                 {
-                    repo.NavigateToCommit((node.Backend as Models.Branch).Head);
+                    var node = tree.SelectedItem as ViewModels.BranchTreeNode;
+                    if (node.IsBranch && DataContext is ViewModels.Repository repo)
+                        repo.NavigateToCommit((node.Backend as Models.Branch).Head);
                 }
             }
         }
@@ -108,11 +115,16 @@ namespace SourceGit.Views
             if (sender is TreeView tree && tree.SelectedItem != null)
             {
                 localBranchTree.UnselectAll();
+                tagsList.SelectedItem = null;
 
-                var node = tree.SelectedItem as ViewModels.BranchTreeNode;
+                var next = RefereshRemoteBranchSelectionToken + 1;
-                if (node.IsBranch && DataContext is ViewModels.Repository repo)
+                SetCurrentValue(RefereshRemoteBranchSelectionTokenProperty, next);
+
+                if (tree.SelectedItems.Count == 1)
                 {
-                    repo.NavigateToCommit((node.Backend as Models.Branch).Head);
+                    var node = tree.SelectedItem as ViewModels.BranchTreeNode;
+                    if (node.IsBranch && DataContext is ViewModels.Repository repo)
+                        repo.NavigateToCommit((node.Backend as Models.Branch).Head);
                 }
             }
         }
@@ -121,11 +133,12 @@ namespace SourceGit.Views
         {
             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);
-                }
             }
         }
 
@@ -133,9 +146,7 @@ namespace SourceGit.Views
         {
             var grid = sender as Grid;
             if (e.Property == IsVisibleProperty && grid.IsVisible)
-            {
                 txtSearchCommitsBox.Focus();
-            }
         }
 
         private void OnSearchKeyDown(object sender, KeyEventArgs e)
@@ -143,9 +154,8 @@ namespace SourceGit.Views
             if (e.Key == Key.Enter)
             {
                 if (DataContext is ViewModels.Repository repo)
-                {
                     repo.StartSearchCommits();
-                }
+
                 e.Handled = true;
             }
         }
@@ -171,9 +181,7 @@ namespace SourceGit.Views
                 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)
                 {
@@ -192,15 +200,38 @@ namespace SourceGit.Views
         private void OnLocalBranchContextMenuRequested(object sender, ContextRequestedEventArgs e)
         {
             remoteBranchTree.UnselectAll();
+            tagsList.SelectedItem = null;
 
-            if (sender is Grid grid && grid.DataContext is ViewModels.BranchTreeNode node)
+            var repo = DataContext as ViewModels.Repository;
+            var tree = sender as TreeView;
+            
+            var branches = new List<Models.Branch>();
+            foreach (var item in tree.SelectedItems)
+                CollectBranchesFromNode(branches, item as ViewModels.BranchTreeNode);
+            
+            if (branches.Count == 1)
             {
-                if (node.IsBranch && DataContext is ViewModels.Repository repo)
+                var item = (e.Source as Control)?.FindAncestorOfType<TreeViewItem>(true);
+                if (item != null)
                 {
-                    var menu = repo.CreateContextMenuForLocalBranch(node.Backend as Models.Branch);
+                    var menu = repo.CreateContextMenuForLocalBranch(branches[0]);
-                    grid.OpenContextMenu(menu);
+                    item.OpenContextMenu(menu);
                 }
             }
+            else if (branches.Count > 1 && branches.Find(x => x.IsCurrent) == null)
+            {
+                var menu = new ContextMenu();
+                var deleteMulti = new MenuItem();
+                deleteMulti.Header = App.Text("BranchCM.DeleteMultiBranches", branches.Count);
+                deleteMulti.Icon = App.CreateMenuIcon("Icons.Clear");
+                deleteMulti.Click += (_, ev) =>
+                {
+                    repo.DeleteMultipleBranches(branches, true);
+                    ev.Handled = true;
+                };
+                menu.Items.Add(deleteMulti);
+                tree.OpenContextMenu(menu);
+            }
 
             e.Handled = true;
         }
@@ -208,20 +239,55 @@ namespace SourceGit.Views
         private void OnRemoteBranchContextMenuRequested(object sender, ContextRequestedEventArgs e)
         {
             localBranchTree.UnselectAll();
+            tagsList.SelectedItem = null;
             
-            if (sender is Grid grid && grid.DataContext is ViewModels.BranchTreeNode node && DataContext is ViewModels.Repository repo)
+            var repo = DataContext as ViewModels.Repository;
+            var tree = sender as TreeView;
+
+            if (tree.SelectedItems.Count == 1)
             {
-                if (node.IsRemote)
+                var node = tree.SelectedItem as ViewModels.BranchTreeNode;
+                if (node != null && node.IsRemote)
                 {
-                    var menu = repo.CreateContextMenuForRemote(node.Backend as Models.Remote);
+                    var item = (e.Source as Control)?.FindAncestorOfType<TreeViewItem>(true);
-                    grid.OpenContextMenu(menu);
+                    if (item != null && item.DataContext == node)
+                    {
+                        var menu = repo.CreateContextMenuForRemote(node.Backend as Models.Remote);
+                        item.OpenContextMenu(menu);
+                    }
+                    
+                    e.Handled = true;
+                    return;
                 }
-                else if (node.IsBranch)
+            }
+            
+            var branches = new List<Models.Branch>();
+            foreach (var item in tree.SelectedItems)
+                CollectBranchesFromNode(branches, item as ViewModels.BranchTreeNode);
+
+            if (branches.Count == 1)
+            {
+                var item = (e.Source as Control)?.FindAncestorOfType<TreeViewItem>(true);
+                if (item != null)
                 {
-                    var menu = repo.CreateContextMenuForRemoteBranch(node.Backend as Models.Branch);
+                    var menu = repo.CreateContextMenuForRemoteBranch(branches[0]);
-                    grid.OpenContextMenu(menu);
+                    item.OpenContextMenu(menu);
                 }
             }
+            else
+            {
+                var menu = new ContextMenu();
+                var deleteMulti = new MenuItem();
+                deleteMulti.Header = App.Text("BranchCM.DeleteMultiBranches", branches.Count);
+                deleteMulti.Icon = App.CreateMenuIcon("Icons.Clear");
+                deleteMulti.Click += (_, ev) =>
+                {
+                    repo.DeleteMultipleBranches(branches, false);
+                    ev.Handled = true;
+                };
+                menu.Items.Add(deleteMulti);
+                tree.OpenContextMenu(menu);
+            }
 
             e.Handled = true;
         }
@@ -304,5 +370,23 @@ namespace SourceGit.Views
                 e.Handled = true;
             }
         }
+        
+        private void CollectBranchesFromNode(List<Models.Branch> outs, ViewModels.BranchTreeNode node)
+        {
+            if (node == null || node.IsRemote)
+                return;
+            
+            if (node.IsFolder)
+            {
+                foreach (var child in node.Children)
+                    CollectBranchesFromNode(outs, child);
+            }
+            else
+            {
+                var b = node.Backend as Models.Branch;
+                if (b != null && !outs.Contains(b))
+                    outs.Add(b);
+            }
+        }
     }
 }

src/Views/TextDiffView.axaml.cs

@@ -137,6 +137,9 @@ namespace SourceGit.Views
                 var width = textView.Bounds.Width;
                 foreach (var line in textView.VisualLines)
                 {
+                    if (line.FirstDocumentLine == null)
+                        continue;
+                    
                     var index = line.FirstDocumentLine.LineNumber;
                     if (index > _editor.DiffData.Lines.Count)
                         break;
@@ -517,6 +520,9 @@ namespace SourceGit.Views
                 var infos = _editor.IsOld ? _editor.DiffData.Old : _editor.DiffData.New;
                 foreach (var line in textView.VisualLines)
                 {
+                    if (line.FirstDocumentLine == null)
+                        continue;
+                    
                     var index = line.FirstDocumentLine.LineNumber;
                     if (index > infos.Count)
                         break;