feat: disable text input when window gains focus

app/streaming/input/input.cpp

@@ -301,6 +301,15 @@ void SdlInputHandler::notifyFocusLost()
     // Raise all keys that are currently pressed. If we don't do this, certain keys
     // used in shortcuts that cause focus loss (such as Alt+Tab) may get stuck down.
     raiseAllKeys();
+
+    // Re-enable text input when window loses focus
+    SDL_StartTextInput();
+}
+
+void SdlInputHandler::notifyFocusGained()
+{
+    // Disable text input when window gains focus to prevent IME popup interference
+    SDL_StopTextInput();
 }
 
 bool SdlInputHandler::isCaptureActive()

app/streaming/input/input.h

@@ -138,6 +138,8 @@ public:
 
     void notifyFocusLost();
 
+    void notifyFocusGained();
+
     bool isCaptureActive();
 
     bool isSystemKeyCaptureActive();

app/streaming/session.cpp

@@ -2108,6 +2108,7 @@ void Session::execInternal()
                 if (m_Preferences->muteOnFocusLoss) {
                     m_AudioMuted = false;
                 }
+                m_InputHandler->notifyFocusGained();
                 break;
             case SDL_WINDOWEVENT_LEAVE:
                 m_InputHandler->notifyMouseLeave();
@@ -2420,4 +2421,3 @@ DispatchDeferredCleanup:
     // reference.
     QThreadPool::globalInstance()->start(new DeferredSessionCleanupTask(this));
 }
-