add shortcut alt-* for select tab (#623)

* add shortcut alt-* for select tab

* all right, 0 for 10th

src/cascadia/TerminalApp/App.cpp

@@ -329,6 +329,7 @@ namespace winrt::TerminalApp::implementation
         bindings.ScrollDown([this]() { _DoScroll(1); });
         bindings.NextTab([this]() { _SelectNextTab(true); });
         bindings.PrevTab([this]() { _SelectNextTab(false); });
+        bindings.SwitchToTab([this](const auto index) { _SelectTab({ index }); });
     }
 
     // Method Description:
@@ -715,6 +716,16 @@ namespace winrt::TerminalApp::implementation
         );
     }
 
+    // Method Description:
+    // - Sets focus to the desired tab.
+    void App::_SelectTab(const int tabIndex)
+    {
+        if (tabIndex >= 0 && tabIndex < _tabs.size())
+        {
+            _SetFocusedTabIndex(tabIndex);
+        }
+    }
+
     // Method Description:
     // - Responds to the TabView control's Selection Changed event (to move a
     //      new terminal control into focus.)

src/cascadia/TerminalApp/App.h

@@ -87,6 +87,7 @@ namespace winrt::TerminalApp::implementation
         void _OpenNewTab(std::optional<int> profileIndex);
         void _CloseFocusedTab();
         void _SelectNextTab(const bool bMoveRight);
+        void _SelectTab(const int tabIndex);
 
         void _SetFocusedTabIndex(int tabIndex);
         int _GetFocusedTabIndex() const;

src/cascadia/TerminalApp/AppKeyBindings.cpp

@@ -93,6 +93,37 @@ namespace winrt::TerminalApp::implementation
             case ShortcutAction::PrevTab:
                 _PrevTabHandlers();
                 return true;
+
+            case ShortcutAction::SwitchToTab0:
+                _SwitchToTabHandlers(0);
+                return true;
+            case ShortcutAction::SwitchToTab1:
+                _SwitchToTabHandlers(1);
+                return true;
+            case ShortcutAction::SwitchToTab2:
+                _SwitchToTabHandlers(2);
+                return true;
+            case ShortcutAction::SwitchToTab3:
+                _SwitchToTabHandlers(3);
+                return true;
+            case ShortcutAction::SwitchToTab4:
+                _SwitchToTabHandlers(4);
+                return true;
+            case ShortcutAction::SwitchToTab5:
+                _SwitchToTabHandlers(5);
+                return true;
+            case ShortcutAction::SwitchToTab6:
+                _SwitchToTabHandlers(6);
+                return true;
+            case ShortcutAction::SwitchToTab7:
+                _SwitchToTabHandlers(7);
+                return true;
+            case ShortcutAction::SwitchToTab8:
+                _SwitchToTabHandlers(8);
+                return true;
+            case ShortcutAction::SwitchToTab9:
+                _SwitchToTabHandlers(9);
+                return true;
         }
         return false;
     }

src/cascadia/TerminalApp/AppKeyBindings.idl

@@ -21,9 +21,18 @@ namespace TerminalApp
         NewWindow,
         CloseWindow,
         CloseTab,
-        SwitchToTab,
         NextTab,
         PrevTab,
+        SwitchToTab0,
+        SwitchToTab1,
+        SwitchToTab2,
+        SwitchToTab3,
+        SwitchToTab4,
+        SwitchToTab5,
+        SwitchToTab6,
+        SwitchToTab7,
+        SwitchToTab8,
+        SwitchToTab9,
         IncreaseFontSize,
         DecreaseFontSize,
         ScrollUp,
@@ -37,9 +46,9 @@ namespace TerminalApp
     delegate void NewWindowEventArgs();
     delegate void CloseWindowEventArgs();
     delegate void CloseTabEventArgs();
-    delegate void SwitchToTabEventArgs();
     delegate void NextTabEventArgs();
     delegate void PrevTabEventArgs();
+    delegate void SwitchToTabEventArgs(Int32 profileIndex);
     delegate void IncreaseFontSizeEventArgs();
     delegate void DecreaseFontSizeEventArgs();
     delegate void ScrollUpEventArgs();

src/cascadia/TerminalApp/CascadiaSettings.cpp

@@ -221,6 +221,37 @@ void CascadiaSettings::_CreateDefaultKeybindings()
     keyBindings.SetKeyBinding(ShortcutAction::ScrollDown,
                               KeyChord{ KeyModifiers::Ctrl | KeyModifiers::Shift,
                                         VK_NEXT });
+
+    keyBindings.SetKeyBinding(ShortcutAction::SwitchToTab0,
+                              KeyChord{ KeyModifiers::Alt,
+                                        static_cast<int>('1') });
+    keyBindings.SetKeyBinding(ShortcutAction::SwitchToTab1,
+                              KeyChord{ KeyModifiers::Alt,
+                                        static_cast<int>('2') });
+    keyBindings.SetKeyBinding(ShortcutAction::SwitchToTab2,
+                              KeyChord{ KeyModifiers::Alt,
+                                        static_cast<int>('3') });
+    keyBindings.SetKeyBinding(ShortcutAction::SwitchToTab3,
+                              KeyChord{ KeyModifiers::Alt,
+                                        static_cast<int>('4') });
+    keyBindings.SetKeyBinding(ShortcutAction::SwitchToTab4,
+                              KeyChord{ KeyModifiers::Alt,
+                                        static_cast<int>('5') });
+    keyBindings.SetKeyBinding(ShortcutAction::SwitchToTab5,
+                              KeyChord{ KeyModifiers::Alt,
+                                        static_cast<int>('6') });
+    keyBindings.SetKeyBinding(ShortcutAction::SwitchToTab6,
+                              KeyChord{ KeyModifiers::Alt,
+                                        static_cast<int>('7') });
+    keyBindings.SetKeyBinding(ShortcutAction::SwitchToTab7,
+                              KeyChord{ KeyModifiers::Alt,
+                                        static_cast<int>('8') });
+    keyBindings.SetKeyBinding(ShortcutAction::SwitchToTab8,
+                              KeyChord{ KeyModifiers::Alt,
+                                        static_cast<int>('9') });
+    keyBindings.SetKeyBinding(ShortcutAction::SwitchToTab9,
+                              KeyChord{ KeyModifiers::Alt,
+                                        static_cast<int>('0') });
 }
 
 // Method Description: