feature<PopupPanel>: add hotkey ESC to close current popup panel

src/Resources/Locales/en_US.xaml

@@ -466,6 +466,7 @@
     <sys:String x:Key="Text.Hotkeys.Search">Toggle search bar if possible</sys:String>
     <sys:String x:Key="Text.Hotkeys.Refresh">Reload current repository if possible</sys:String>
     <sys:String x:Key="Text.Hotkeys.ToggleStage">Stage or unstage selected files</sys:String>
+    <sys:String x:Key="Text.Hotkeys.CancelPopup">Close current popup panel</sys:String>
 
     <sys:String x:Key="Text.Reword">Reword Commit Message</sys:String>
     <sys:String x:Key="Text.Reword.On">On :</sys:String>

src/Resources/Locales/zh_CN.xaml

@@ -465,6 +465,7 @@
     <sys:String x:Key="Text.Hotkeys.Search">打开/隐藏搜索框（仅在仓库页起效）</sys:String>
     <sys:String x:Key="Text.Hotkeys.Refresh">重新加载当前仓库信息（仅在仓库页起效）</sys:String>
     <sys:String x:Key="Text.Hotkeys.ToggleStage">暂存或从暂存中移除当前选中</sys:String>
+    <sys:String x:Key="Text.Hotkeys.CancelPopup">关闭当前弹出面板</sys:String>
 
     <sys:String x:Key="Text.Reword">编辑提交信息</sys:String>
     <sys:String x:Key="Text.Reword.On">提交：</sys:String>

src/Views/About.xaml.cs

@@ -34,6 +34,7 @@ namespace SourceGit.Views {
                 new Keymap("CTRL + F", "Search"),
                 new Keymap("F5", "Refresh"),
                 new Keymap("SPACE", "ToggleStage"),
+                new Keymap("ESC", "CancelPopup"),
             };
         }
 

src/Views/Launcher.xaml.cs

@@ -170,6 +170,19 @@ namespace SourceGit.Views {
                 e.Handled = true;
                 return;
             }
+
+            if (Keyboard.IsKeyDown(Key.Escape)) {
+                var page = container.Get(tabs.Current);
+
+                var popup = null as Widgets.PopupPanel;
+                if (page is Widgets.Dashboard) {
+                    popup = (page as Widgets.Dashboard).popup;
+                } else if (page is Widgets.Welcome) {
+                    popup = (page as Widgets.Welcome).popup;
+                }
+
+                popup?.CancelDirectly();
+            }
         }
         #endregion
     }

src/Views/Widgets/PopupPanel.xaml.cs

@@ -51,6 +51,10 @@ namespace SourceGit.Views.Widgets {
             Dispatcher.Invoke(() => txtMsg.Text = message);
         }
 
+        public void CancelDirectly() {
+            if (Visibility == Visibility.Visible) Cancel(this, null);
+        }
+
         public void Close() {
             if (Visibility != Visibility.Visible) return;