feature: supports to use ⌘+H to hide this app on macOS (#1716)

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/App.Commands.cs

@@ -1,6 +1,8 @@
 using System;
 using System.Windows.Input;
+
 using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
 
 namespace SourceGit
 {
@@ -53,5 +55,17 @@ public static bool IsCheckForUpdateCommandVisible
             else if (!string.IsNullOrEmpty(textBlock.Text))
                 await CopyTextAsync(textBlock.Text);
         });
+        
+        public static readonly Command HideAppCommand = new Command(_ =>
+        {
+            if (Current is App app && app.TryGetFeature(typeof(IActivatableLifetime)) is IActivatableLifetime lifetime)
+                lifetime.TryEnterBackground();
+        });
+        
+        public static readonly Command ShowAppCommand = new Command(_ =>
+        {
+            if (Current is App app && app.TryGetFeature(typeof(IActivatableLifetime)) is IActivatableLifetime lifetime)
+                lifetime.TryLeaveBackground();
+        });
     }
 }

src/App.axaml

@@ -42,6 +42,9 @@
       <NativeMenuItem Header="{DynamicResource Text.Preferences}" Command="{x:Static s:App.OpenPreferencesCommand}" Gesture="⌘+,"/>
       <NativeMenuItem Header="{DynamicResource Text.OpenAppDataDir}" Command="{x:Static s:App.OpenAppDataDirCommand}"/>
       <NativeMenuItemSeparator/>
+      <NativeMenuItem Header="{DynamicResource Text.App.Hide}" Command="{x:Static s:App.HideAppCommand}" Gesture="⌘+H"/>
+      <NativeMenuItem Header="{DynamicResource Text.App.ShowAll}" Command="{x:Static s:App.ShowAppCommand}"/>
+      <NativeMenuItemSeparator/>
       <NativeMenuItem Header="{DynamicResource Text.Quit}" Command="{x:Static s:App.QuitCommand}" Gesture="⌘+Q"/>
     </NativeMenu>
   </NativeMenu.Menu>

src/Resources/Locales/en_US.axaml

@@ -19,6 +19,8 @@
   <x:String x:Key="Text.AIAssistant.Regen" xml:space="preserve">RE-GENERATE</x:String>
   <x:String x:Key="Text.AIAssistant.Tip" xml:space="preserve">Use AI to generate commit message</x:String>
   <x:String x:Key="Text.AIAssistant.Use" xml:space="preserve">APPLY AS COMMIT MESSAGE</x:String>
+  <x:String x:Key="Text.App.Hide" xml:space="preserve">Hide SourceGit</x:String>
+  <x:String x:Key="Text.App.ShowAll" xml:space="preserve">Show All</x:String>
   <x:String x:Key="Text.Apply" xml:space="preserve">Patch</x:String>
   <x:String x:Key="Text.Apply.File" xml:space="preserve">Patch File:</x:String>
   <x:String x:Key="Text.Apply.File.Placeholder" xml:space="preserve">Select .patch file to apply</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -23,6 +23,8 @@
   <x:String x:Key="Text.AIAssistant.Regen" xml:space="preserve">重新生成</x:String>
   <x:String x:Key="Text.AIAssistant.Tip" xml:space="preserve">使用AI助手生成提交信息</x:String>
   <x:String x:Key="Text.AIAssistant.Use" xml:space="preserve">应用本次生成</x:String>
+  <x:String x:Key="Text.App.Hide" xml:space="preserve">隐藏 SourceGit</x:String>
+  <x:String x:Key="Text.App.ShowAll" xml:space="preserve">显示所有窗口</x:String>
   <x:String x:Key="Text.Apply" xml:space="preserve">应用补丁(apply)</x:String>
   <x:String x:Key="Text.Apply.File" xml:space="preserve">补丁文件 ：</x:String>
   <x:String x:Key="Text.Apply.File.Placeholder" xml:space="preserve">选择补丁文件</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -23,6 +23,8 @@
   <x:String x:Key="Text.AIAssistant.Regen" xml:space="preserve">重新產生</x:String>
   <x:String x:Key="Text.AIAssistant.Tip" xml:space="preserve">使用 AI 產生提交訊息</x:String>
   <x:String x:Key="Text.AIAssistant.Use" xml:space="preserve">套用為提交訊息</x:String>
+  <x:String x:Key="Text.App.Hide" xml:space="preserve">隱藏 SourceGit</x:String>
+  <x:String x:Key="Text.App.ShowAll" xml:space="preserve">顯示所有</x:String>
   <x:String x:Key="Text.Apply" xml:space="preserve">套用修補檔 (apply patch)</x:String>
   <x:String x:Key="Text.Apply.File" xml:space="preserve">修補檔:</x:String>
   <x:String x:Key="Text.Apply.File.Placeholder" xml:space="preserve">選擇修補檔</x:String>