qt: move disable_volume_keys to MainCtxWin32

it doesn't need to be exposed to the whole application

modules/gui/qt/maininterface/mainctx_win32.cpp

@@ -782,14 +782,23 @@ void WinTaskbarWidget::changeThumbbarButtons( PlayerController::PlayingState i_s
 MainCtxWin32::MainCtxWin32(qt_intf_t * _p_intf )
     : MainCtx( _p_intf )
 {
-    /* Volume keys */
-    p_intf->disable_volume_keys = var_InheritBool( _p_intf, "qt-disable-volume-keys" );
+    m_disableVolumeKeys = var_InheritBool( _p_intf, "qt-disable-volume-keys" );
 }
 
 void MainCtxWin32::reloadPrefs()
 {
-    p_intf->disable_volume_keys = var_InheritBool( p_intf, "qt-disable-volume-keys" );
     MainCtx::reloadPrefs();
+    bool disableVolumeKeys = var_InheritBool( p_intf, "qt-disable-volume-keys" );
+    if (disableVolumeKeys != m_disableVolumeKeys)
+    {
+        m_disableVolumeKeys = disableVolumeKeys;
+        emit disableVolumeKeysChanged(disableVolumeKeys);
+    }
+}
+
+bool MainCtxWin32::getDisableVolumeKeys() const
+{
+    return m_disableVolumeKeys;
 }
 
 // InterfaceWindowHandlerWin32
@@ -798,6 +807,13 @@ InterfaceWindowHandlerWin32::InterfaceWindowHandlerWin32(qt_intf_t *_p_intf, Mai
     : InterfaceWindowHandler(_p_intf, mainCtx, window, parent)
     , m_CSDWindowEventHandler(new CSDWin32EventHandler(mainCtx, window, window))
 {
+    auto mainCtxWin32 = qobject_cast<MainCtxWin32*>(mainCtx);
+    assert(mainCtxWin32);
+    m_disableVolumeKeys = mainCtxWin32->getDisableVolumeKeys();
+    connect(mainCtxWin32, &MainCtxWin32::disableVolumeKeysChanged, this, [this](bool disable){
+        m_disableVolumeKeys = disable;
+    });
+
     auto systemMenuButton = std::make_shared<WinSystemMenuButton>(mainCtx->intfMainWindow(), nullptr);
     mainCtx->csdButtonModel()->setSystemMenuButton(systemMenuButton);
 
@@ -910,7 +926,7 @@ bool InterfaceWindowHandlerWin32::eventFilter(QObject* obj, QEvent* ev)
         case WM_APPCOMMAND:
             cmd = GET_APPCOMMAND_LPARAM(msg->lParam);
 
-            if( p_intf->disable_volume_keys &&
+            if( m_disableVolumeKeys &&
                     (   cmd == APPCOMMAND_VOLUME_DOWN   ||
                         cmd == APPCOMMAND_VOLUME_UP     ||
                         cmd == APPCOMMAND_VOLUME_MUTE ) )

modules/gui/qt/maininterface/mainctx_win32.hpp

@@ -79,12 +79,22 @@ private:
 class MainCtxWin32 : public MainCtx
 {
     Q_OBJECT
+    Q_PROPERTY(bool disableVolumeKeys READ getDisableVolumeKeys NOTIFY disableVolumeKeysChanged FINAL)
 public:
     explicit MainCtxWin32(qt_intf_t *);
     virtual ~MainCtxWin32() = default;
 
+public:
+    bool getDisableVolumeKeys() const;
+
 public slots:
     void reloadPrefs() override;
+
+signals:
+    void disableVolumeKeysChanged(bool);
+
+private:
+    bool m_disableVolumeKeys = false;
 };
 
 class InterfaceWindowHandlerWin32 : public InterfaceWindowHandler, public QAbstractNativeEventFilter
@@ -103,6 +113,8 @@ protected:
 private:
     void updateCSDWindowSettings() override;
     QObject *m_CSDWindowEventHandler {};
+
+    bool m_disableVolumeKeys = false;
 };
 
 #endif // MAIN_INTERFACE_WIN32_HPP

modules/gui/qt/qt.hpp

@@ -98,10 +98,6 @@ struct qt_intf_t
     PlayerController* p_mainPlayerController;
     std::unique_ptr<vlc::Compositor>  p_compositor;
 
-#ifdef _WIN32
-    bool disable_volume_keys;
-#endif
-
     int refCount;
     bool isShuttingDown;
 };