Unregister key delays on closing KBM windows (#6583)

src/modules/keyboardmanager/common/KeyboardManagerState.cpp

@@ -240,7 +240,6 @@ void KeyboardManagerState::UpdateDetectShortcutUI()
     auto detectedShortcutCopy = detectedShortcut;
     currentShortcut_lock.unlock();
     detectedShortcut_lock.unlock();
-
     // Since this function is invoked from the back-end thread, in order to update the UI the dispatcher must be used.
     currentShortcutUI1.as<StackPanel>().Dispatcher().RunAsync(Windows::UI::Core::CoreDispatcherPriority::Normal, [this, detectedShortcutCopy]() {
         std::vector<hstring> shortcut = detectedShortcutCopy.GetKeyVector(keyboardMap);
@@ -419,6 +418,7 @@ void KeyboardManagerState::RegisterKeyDelay(
     {
         throw std::invalid_argument("This key was already registered.");
     }
+
     keyDelays[key] = std::make_unique<KeyDelay>(key, onShortPress, onLongPressDetected, onLongPressReleased);
 }
 
@@ -433,6 +433,13 @@ void KeyboardManagerState::UnregisterKeyDelay(DWORD key)
     }
 }
 
+// Function to clear all the registered key delays
+void KeyboardManagerState::ClearRegisteredKeyDelays()
+{
+    std::lock_guard l(keyDelays_mutex);
+    keyDelays.clear();
+}
+
 bool KeyboardManagerState::HandleKeyDelayEvent(LowlevelKeyboardEvent* ev)
 {
     if (currentUIWindow != GetForegroundWindow())

src/modules/keyboardmanager/common/KeyboardManagerState.h

@@ -185,6 +185,9 @@ public:
     // NOTE*: the virtual key should represent the original, unmapped virtual key.
     void UnregisterKeyDelay(DWORD key);
 
+    // Function to clear all the registered key delays
+    void ClearRegisteredKeyDelays();
+
     // Handle a key event, for a delayed key.
     bool HandleKeyDelayEvent(LowlevelKeyboardEvent* ev);
 

src/modules/keyboardmanager/ui/EditKeyboardWindow.cpp

@@ -338,6 +338,7 @@ void createEditKeyboardWindow(HINSTANCE hInst, KeyboardManagerState& keyboardMan
     hwndLock.lock();
     hwndEditKeyboardNativeWindow = nullptr;
     keyboardManagerState.ResetUIState();
+    keyboardManagerState.ClearRegisteredKeyDelays();
 
     // Cannot be done in WM_DESTROY because that causes crashes due to fatal app exit
     xamlBridge.ClearXamlIslands();

src/modules/keyboardmanager/ui/EditShortcutsWindow.cpp

@@ -322,6 +322,7 @@ void createEditShortcutsWindow(HINSTANCE hInst, KeyboardManagerState& keyboardMa
     hwndLock.lock();
     hwndEditShortcutsNativeWindow = nullptr;
     keyboardManagerState.ResetUIState();
+    keyboardManagerState.ClearRegisteredKeyDelays();
 
     // Cannot be done in WM_DESTROY because that causes crashes due to fatal app exit
     xamlBridge.ClearXamlIslands();

src/modules/keyboardmanager/ui/ShortcutControl.cpp

@@ -264,10 +264,7 @@ void ShortcutControl::createDetectShortcutWindow(winrt::Windows::Foundation::IIn
     StackPanel linkedShortcutStackPanel = KeyboardManagerHelper::getSiblingElement(sender).as<StackPanel>();
 
     auto unregisterKeys = [&keyboardManagerState]() {
-        std::thread t1(&KeyboardManagerState::UnregisterKeyDelay, &keyboardManagerState, VK_ESCAPE);
-        std::thread t2(&KeyboardManagerState::UnregisterKeyDelay, &keyboardManagerState, VK_RETURN);
-        t1.detach();
-        t2.detach();
+        keyboardManagerState.ClearRegisteredKeyDelays();
     };
 
     auto selectDetectedShortcutAndResetKeys = [&keyboardManagerState](DWORD key) {

src/modules/keyboardmanager/ui/SingleKeyRemapControl.cpp

@@ -198,10 +198,7 @@ void SingleKeyRemapControl::createDetectKeyWindow(winrt::Windows::Foundation::II
     ComboBox linkedRemapDropDown = KeyboardManagerHelper::getSiblingElement(sender).as<ComboBox>();
 
     auto unregisterKeys = [&keyboardManagerState]() {
-        std::thread t1(&KeyboardManagerState::UnregisterKeyDelay, &keyboardManagerState, VK_ESCAPE);
-        std::thread t2(&KeyboardManagerState::UnregisterKeyDelay, &keyboardManagerState, VK_RETURN);
-        t1.detach();
-        t2.detach();
+        keyboardManagerState.ClearRegisteredKeyDelays();
     };
 
     auto onPressEnter = [linkedRemapDropDown,