qt: add option 'qt-smooth-scrolling'

modules/gui/qt/maininterface/mainctx.cpp

@@ -294,6 +294,8 @@ void MainCtx::loadPrefs(const bool callSignals)
 #if QT_CLIENT_SIDE_DECORATION_AVAILABLE
     loadFromVLCOption(m_windowTitlebar, "qt-titlebar" , &MainCtx::useClientSideDecorationChanged);
 #endif
+
+    loadFromVLCOption(m_smoothScroll, "qt-smooth-scrolling", &MainCtx::smoothScrollChanged);
 }
 
 void MainCtx::loadFromSettingsImpl(const bool callSignals)

modules/gui/qt/maininterface/mainctx.hpp

@@ -172,6 +172,7 @@ class MainCtx : public QObject
     Q_PROPERTY(bool hasAcrylicSurface READ hasAcrylicSurface NOTIFY hasAcrylicSurfaceChanged FINAL)
     Q_PROPERTY(PlaylistPtr mainPlaylist READ getMainPlaylist CONSTANT FINAL)
     Q_PROPERTY(vlc::playlist::PlaylistControllerModel* mainPlaylistController READ getMainPlaylistController CONSTANT FINAL)
+    Q_PROPERTY(bool smoothScroll READ smoothScroll NOTIFY smoothScrollChanged FINAL)
 
     // This Property only works if hasAcrylicSurface is set
     Q_PROPERTY(bool acrylicActive READ acrylicActive WRITE setAcrylicActive NOTIFY acrylicActiveChanged FINAL)
@@ -190,6 +191,7 @@ public:
     inline qt_intf_t* getIntf() const { return p_intf; }
     inline PlaylistPtr getMainPlaylist() const { return PlaylistPtr(p_intf->p_playlist); }
     inline vlc::playlist::PlaylistControllerModel* getMainPlaylistController() const { return p_intf->p_mainPlaylistController; }
+    bool smoothScroll() const { return m_smoothScroll; };
 
     QSystemTrayIcon *getSysTray() { return sysTray; }
     QMenu *getSysTrayMenu() { return systrayMenu.get(); }
@@ -314,6 +316,8 @@ protected:
     bool m_hasAcrylicSurface = false;
     bool m_acrylicActive = false;
 
+    bool m_smoothScroll = true;
+
 public slots:
     void toggleUpdateSystrayMenu();
     void showUpdateSystrayMenu();
@@ -385,6 +389,8 @@ signals:
 
     void acrylicActiveChanged();
 
+    void smoothScrollChanged();
+
 private:
     void loadPrefs(bool callSignals);
     void loadFromSettingsImpl(bool callSignals);

modules/gui/qt/qt.cpp

@@ -246,6 +246,9 @@ static void ShowDialog   ( intf_thread_t *, int, int, intf_dialog_args_t * );
 #define QT_COMPOSITOR_TEXT N_("Select Qt video intergration backend")
 #define QT_COMPOSITOR_LONGTEXT N_("Select Qt video intergration backend. Use with care, the interface may not start if an incompatible compositor is selected")
 
+#define SMOOTH_SCROLLING_TEXT N_( "Use smooth scrolling in Flickable based views" )
+#define SMOOTH_SCROLLING_LONGTEXT N_( "Deactivating this option will disable smooth scrolling in Flickable based views (such as the Playqueue)" )
+
 static const int i_notification_list[] =
     { NOTIFICATION_NEVER, NOTIFICATION_MINIMIZED, NOTIFICATION_ALWAYS };
 
@@ -403,6 +406,8 @@ vlc_module_begin ()
                  AUTORAISE_ON_PLAYBACK_LONGTEXT )
             change_integer_list( i_raise_list, psz_raise_list_text )
 
+    add_bool( "qt-smooth-scrolling", true, SMOOTH_SCROLLING_TEXT, SMOOTH_SCROLLING_LONGTEXT )
+
     cannot_unload_broken_library()
 
     add_submodule ()