feature: add a context menu to copy entire content of SelectableTextBlock (#394)

src/App.Commands.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Windows.Input;
+using Avalonia.Controls;
+
+namespace SourceGit
+{
+    public partial class App
+    {
+        public class SimpleCommand : ICommand
+        {
+            public event EventHandler CanExecuteChanged
+            {
+                add { }
+                remove { }
+            }
+
+            public SimpleCommand(Action action)
+            {
+                _action = action;
+            }
+
+            public bool CanExecute(object parameter) => _action != null;
+            public void Execute(object parameter) => _action?.Invoke();
+
+            private Action _action = null;
+        }
+
+        public class ParameterCommand : ICommand
+        {
+            public event EventHandler CanExecuteChanged
+            {
+                add { }
+                remove { }
+            }
+
+            public ParameterCommand(Action<object> action)
+            {
+                _action = action;
+            }
+
+            public bool CanExecute(object parameter) => _action != null;
+            public void Execute(object parameter) => _action?.Invoke(parameter);
+
+            private Action<object> _action = null;
+        }
+        
+        public static readonly SimpleCommand OpenPreferenceCommand = new SimpleCommand(() => OpenDialog(new Views.Preference()));
+        public static readonly SimpleCommand OpenHotkeysCommand = new SimpleCommand(() => OpenDialog(new Views.Hotkeys()));
+        public static readonly SimpleCommand OpenAppDataDirCommand = new SimpleCommand(() => Native.OS.OpenInFileManager(Native.OS.DataDir));
+        public static readonly SimpleCommand OpenAboutCommand = new SimpleCommand(() => OpenDialog(new Views.About()));
+        public static readonly SimpleCommand CheckForUpdateCommand = new SimpleCommand(() => Check4Update(true));
+        public static readonly SimpleCommand QuitCommand = new SimpleCommand(() => Quit(0));
+
+        public static readonly ParameterCommand CopyTextCommand = new ParameterCommand(param =>
+        {
+            if (param is TextBlock textBlock)
+            {
+                if (textBlock.Inlines is { Count: > 0 } inlines)
+                    CopyText(inlines.Text);
+                else
+                    CopyText(textBlock.Text);
+            }
+        });
+    }
+}

src/App.axaml.cs

@@ -6,7 +6,6 @@ using System.Reflection;
 using System.Text;
 using System.Text.Json;
 using System.Threading.Tasks;
-using System.Windows.Input;
 
 using Avalonia;
 using Avalonia.Controls;
@@ -21,34 +20,8 @@ using Avalonia.Threading;
 
 namespace SourceGit
 {
-    public class SimpleCommand : ICommand
-    {
-        public event EventHandler CanExecuteChanged
-        {
-            add { }
-            remove { }
-        }
-
-        public SimpleCommand(Action action)
-        {
-            _action = action;
-        }
-
-        public bool CanExecute(object parameter) => _action != null;
-        public void Execute(object parameter) => _action?.Invoke();
-
-        private Action _action = null;
-    }
-
     public partial class App : Application
     {
-        public static readonly SimpleCommand OpenPreferenceCommand = new SimpleCommand(() => OpenDialog(new Views.Preference()));
-        public static readonly SimpleCommand OpenHotkeysCommand = new SimpleCommand(() => OpenDialog(new Views.Hotkeys()));
-        public static readonly SimpleCommand OpenAppDataDirCommand = new SimpleCommand(() => Native.OS.OpenInFileManager(Native.OS.DataDir));
-        public static readonly SimpleCommand OpenAboutCommand = new SimpleCommand(() => OpenDialog(new Views.About()));
-        public static readonly SimpleCommand CheckForUpdateCommand = new SimpleCommand(() => Check4Update(true));
-        public static readonly SimpleCommand QuitCommand = new SimpleCommand(() => Quit(0));
-
         [STAThread]
         public static void Main(string[] args)
         {
@@ -125,8 +98,8 @@ namespace SourceGit
 
         public static void OpenDialog(Window window)
         {
-            if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime { MainWindow: { } owner})
-                window.ShowDialog(desktop.MainWindow);
+                window.ShowDialog(owner);
         }
 
         public static void RaiseException(string context, string message)
@@ -260,7 +233,7 @@ namespace SourceGit
             if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
             {
                 if (desktop.MainWindow?.Clipboard is { } clipboard)
-                    await clipboard.SetTextAsync(data);
+                    await clipboard.SetTextAsync(data ?? "");
             }
         }
 
@@ -305,7 +278,7 @@ namespace SourceGit
         public static IStorageProvider GetStorageProvider()
         {
             if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
-                return desktop.MainWindow.StorageProvider;
+                return desktop.MainWindow?.StorageProvider;
 
             return null;
         }

src/Resources/Locales/en_US.axaml

@@ -145,6 +145,7 @@
   <x:String x:Key="Text.Configure.User" xml:space="preserve">User Name</x:String>
   <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.CopyAllText" xml:space="preserve">Copy All Text</x:String>
   <x:String x:Key="Text.CopyMessage" xml:space="preserve">COPY MESSAGE</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>

src/Resources/Locales/zh_CN.axaml

@@ -148,6 +148,7 @@
   <x:String x:Key="Text.Configure.User" xml:space="preserve">用户名</x:String>
   <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.CopyAllText" xml:space="preserve">复制全部文本</x:String>
   <x:String x:Key="Text.CopyMessage" xml:space="preserve">复制内容</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>

src/Resources/Locales/zh_TW.axaml

@@ -148,6 +148,7 @@
   <x:String x:Key="Text.Configure.User" xml:space="preserve">使用者名稱</x:String>
   <x:String x:Key="Text.Configure.User.Placeholder" xml:space="preserve">應用於本倉庫的使用者名稱</x:String>
   <x:String x:Key="Text.Copy" xml:space="preserve">複製</x:String>
+  <x:String x:Key="Text.CopyAllText" xml:space="preserve">複製全部内容</x:String>
   <x:String x:Key="Text.CopyMessage" xml:space="preserve">複製內容</x:String>
   <x:String x:Key="Text.CopyPath" xml:space="preserve">複製路徑</x:String>
   <x:String x:Key="Text.CopyFileName" xml:space="preserve">複製檔名</x:String>

src/Resources/Styles.axaml

@@ -1,5 +1,6 @@
 <Styles xmlns="https://github.com/avaloniaui"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:s="using:SourceGit"
         xmlns:vm="using:SourceGit.ViewModels"
         xmlns:c="using:SourceGit.Converters"
         xmlns:ae="using:AvaloniaEdit"
@@ -304,6 +305,14 @@
               <Path Width="11" Height="11" Data="{StaticResource Icons.Copy}" VerticalAlignment="Center"/>
             </MenuItem.Icon>
           </MenuItem>
+          
+          <MenuItem Header="{DynamicResource Text.CopyAllText}"
+                    Command="{x:Static s:App.CopyTextCommand}"
+                    CommandParameter="{Binding $parent[SelectableTextBlock]}">
+            <MenuItem.Icon>
+              <Path Width="11" Height="11" Data="{StaticResource Icons.Copy}" VerticalAlignment="Center"/>
+            </MenuItem.Icon>
+          </MenuItem>
         </MenuFlyout>
       </Setter.Value>
     </Setter>