Add runtime input toggles and gated input sending

app/streaming/session.h

@@ -2,6 +2,7 @@
 
 #include <QSemaphore>
 #include <QQuickWindow>
+#include <atomic>
 
 #include <Limelight.h>
 #include <opus_multistream.h>
@@ -125,6 +126,22 @@ public:
 
     void setShouldExit(bool quitHostApp = false);
 
+    bool isGamepadInputAllowed() const
+    {
+        return m_AllowGamepadInput.load(std::memory_order_relaxed);
+    }
+
+    bool isKeyboardMouseInputAllowed() const
+    {
+        return m_AllowKeyboardMouseInput.load(std::memory_order_relaxed);
+    }
+
+    void setGamepadInputAllowed(bool allowed);
+    void setKeyboardMouseInputAllowed(bool allowed);
+    void toggleGamepadInputAllowed();
+    void toggleKeyboardMouseInputAllowed();
+    void notifyInputPermissionState();
+
 signals:
     void stageStarting(QString stage);
 
@@ -255,6 +272,8 @@ private:
     SDL_mutex* m_DecoderLock;
     bool m_AudioDisabled;
     bool m_AudioMuted;
+    std::atomic<bool> m_AllowGamepadInput;
+    std::atomic<bool> m_AllowKeyboardMouseInput;
     Uint32 m_FullScreenFlag;
     QQuickWindow* m_QtWindow;
     bool m_UnexpectedTermination;