Connect clipboard functionality to their keybindings (#1093)

* Connects clipboard functionality to their keybindings.

* Cleaning up comments and whitespace.

* Added "copyTextWithoutNewlines" keybinding.

* Fixing tabs in idl file

* Fixing merge conflicts

* Adding default keybindings for copy and paste to ctrl-shift-c and ctrl-shift-v, respectively.

* Complying with refactoring

* Fixing formatting issues

src/cascadia/TerminalApp/App.cpp

@@ -503,6 +503,8 @@ namespace winrt::TerminalApp::implementation
         bindings.ScrollDownPage([this]() { _ScrollPage(1); });
         bindings.SwitchToTab([this](const auto index) { _SelectTab({ index }); });
         bindings.OpenSettings([this]() { _OpenSettings(); });
+        bindings.CopyText([this](const auto trimWhitespace) { _CopyText(trimWhitespace); });
+        bindings.PasteText([this]() { _PasteText(); });
     }
 
     // Method Description:
@@ -1015,6 +1017,14 @@ namespace winrt::TerminalApp::implementation
         control.CopySelectionToClipboard(trimTrailingWhitespace);
     }
 
+    // Method Description:
+    // - Paste text from the Windows Clipboard to the focused terminal
+    void App::_PasteText()
+    {
+        const auto control = _GetFocusedControl();
+        control.PasteTextFromClipboard();
+    }
+
     // Method Description:
     // - Sets focus to the tab to the right or left the currently selected tab.
     void App::_SelectNextTab(const bool bMoveRight)

src/cascadia/TerminalApp/App.h

@@ -112,9 +112,11 @@ namespace winrt::TerminalApp::implementation
 
         void _Scroll(int delta);
         void _CopyText(const bool trimTrailingWhitespace);
+        void _PasteText();
         void _SplitVertical(const std::optional<GUID>& profileGuid);
         void _SplitHorizontal(const std::optional<GUID>& profileGuid);
         void _SplitPane(const Pane::SplitState splitType, const std::optional<GUID>& profileGuid);
+
         // Todo: add more event implementations here
         // MSFT:20641986: Add keybindings for New Window
         void _ScrollPage(int delta);

src/cascadia/TerminalApp/AppKeyBindings.cpp

@@ -47,7 +47,10 @@ namespace winrt::TerminalApp::implementation
         switch (action)
         {
         case ShortcutAction::CopyText:
-            _CopyTextHandlers();
+            _CopyTextHandlers(true);
+            return true;
+        case ShortcutAction::CopyTextWithoutNewlines:
+            _CopyTextHandlers(false);
             return true;
         case ShortcutAction::PasteText:
             _PasteTextHandlers();

src/cascadia/TerminalApp/AppKeyBindings.idl

@@ -6,6 +6,7 @@ namespace TerminalApp
     enum ShortcutAction
     {
         CopyText = 0,
+        CopyTextWithoutNewlines,
         PasteText,
         NewTab,
         NewTabProfile0,
@@ -42,7 +43,7 @@ namespace TerminalApp
         OpenSettings
     };
 
-    delegate void CopyTextEventArgs();
+    delegate void CopyTextEventArgs(Boolean trimWhitespace);
     delegate void PasteTextEventArgs();
     delegate void NewTabEventArgs();
     delegate void NewTabWithProfileEventArgs(Int32 profileIndex);

src/cascadia/TerminalApp/AppKeyBindingsSerialization.cpp

@@ -14,6 +14,7 @@ static constexpr std::string_view KeysKey{ "keys" };
 static constexpr std::string_view CommandKey{ "command" };
 
 static constexpr std::string_view CopyTextKey{ "copy" };
+static constexpr std::string_view CopyTextWithoutNewlinesKey{ "copyTextWithoutNewlines" };
 static constexpr std::string_view PasteTextKey{ "paste" };
 static constexpr std::string_view NewTabKey{ "newTab" };
 static constexpr std::string_view NewTabWithProfile0Key{ "newTabProfile0" };
@@ -60,6 +61,7 @@ static constexpr std::string_view SplitVerticalKey{ "splitVertical" };
 // about here.
 static const std::map<std::string_view, ShortcutAction, std::less<>> commandNames{
     { CopyTextKey, ShortcutAction::CopyText },
+    { CopyTextWithoutNewlinesKey, ShortcutAction::CopyTextWithoutNewlines },
     { PasteTextKey, ShortcutAction::PasteText },
     { NewTabKey, ShortcutAction::NewTab },
     { NewTabWithProfile0Key, ShortcutAction::NewTabProfile0 },

src/cascadia/TerminalApp/CascadiaSettings.cpp

@@ -257,6 +257,15 @@ void CascadiaSettings::_CreateDefaultKeybindings()
     keyBindings.SetKeyBinding(ShortcutAction::CloseTab,
                               KeyChord{ KeyModifiers::Ctrl,
                                         static_cast<int>('W') });
+
+    keyBindings.SetKeyBinding(ShortcutAction::CopyText,
+                              KeyChord{ KeyModifiers::Ctrl | KeyModifiers::Shift,
+                                        static_cast<int>('C') });
+
+    keyBindings.SetKeyBinding(ShortcutAction::PasteText,
+                              KeyChord{ KeyModifiers::Ctrl | KeyModifiers::Shift,
+                                        static_cast<int>('V') });
+
     keyBindings.SetKeyBinding(ShortcutAction::OpenSettings,
                               KeyChord{ KeyModifiers::Ctrl,
                                         VK_OEM_COMMA });

src/cascadia/TerminalControl/TermControl.cpp

@@ -721,13 +721,7 @@ namespace winrt::Microsoft::Terminal::TerminalControl::implementation
                 // paste selection, otherwise
                 else
                 {
-                    // attach TermControl::_SendInputToConnection() as the clipboardDataHandler.
+                    PasteTextFromClipboard();
-                    // This is called when the clipboard data is loaded.
-                    auto clipboardDataHandler = std::bind(&TermControl::_SendInputToConnection, this, std::placeholders::_1);
-                    auto pasteArgs = winrt::make_self<PasteFromClipboardEventArgs>(clipboardDataHandler);
-
-                    // send paste event up to TermApp
-                    _clipboardPasteHandlers(*this, *pasteArgs);
                 }
             }
         }
@@ -1209,6 +1203,19 @@ namespace winrt::Microsoft::Terminal::TerminalControl::implementation
         _clipboardCopyHandlers(copiedData);
     }
 
+    // Method Description:
+    // - Initiate a paste operation.
+    void TermControl::PasteTextFromClipboard()
+    {
+        // attach TermControl::_SendInputToConnection() as the clipboardDataHandler.
+        // This is called when the clipboard data is loaded.
+        auto clipboardDataHandler = std::bind(&TermControl::_SendInputToConnection, this, std::placeholders::_1);
+        auto pasteArgs = winrt::make_self<PasteFromClipboardEventArgs>(clipboardDataHandler);
+
+        // send paste event up to TermApp
+        _clipboardPasteHandlers(*this, *pasteArgs);
+    }
+
     void TermControl::Close()
     {
         if (!_closing.exchange(true))

src/cascadia/TerminalControl/TermControl.h

@@ -41,6 +41,7 @@ namespace winrt::Microsoft::Terminal::TerminalControl::implementation
 
         hstring Title();
         void CopySelectionToClipboard(bool trimTrailingWhitespace);
+        void PasteTextFromClipboard();
         void Close();
         bool ShouldCloseOnExit() const noexcept;
 

src/cascadia/TerminalControl/TermControl.idl

@@ -32,6 +32,7 @@ namespace Microsoft.Terminal.TerminalControl
 
         String Title { get; };
         void CopySelectionToClipboard(Boolean trimTrailingWhitespace);
+        void PasteTextFromClipboard();
         void Close();
         Boolean ShouldCloseOnExit { get; };