qt: expose type of compositor through its interface

modules/gui/qt/maininterface/compositor.hpp

@@ -34,6 +34,12 @@ namespace vlc {
 
 class Compositor {
 public:
+    enum Type
+    {
+        DummyCompositor,
+        Win7Compositor,
+        DirectCompositionCompositor
+    };
 
     virtual ~Compositor() = default;
 
@@ -42,6 +48,8 @@ public:
 
     virtual bool setupVoutWindow(vout_window_t *p_wnd) = 0;
 
+    virtual Type type() const = 0;
+
     //factory
     static Compositor* createCompositor(intf_thread_t *p_intf);
 };

modules/gui/qt/maininterface/compositor_dcomp.cpp

@@ -326,4 +326,9 @@ bool CompositorDirectComposition::setupVoutWindow(vout_window_t *p_wnd)
     return true;
 }
 
+Compositor::Type CompositorDirectComposition::type() const
+{
+    return Compositor::DirectCompositionCompositor;
+}
+
 }

modules/gui/qt/maininterface/compositor_dcomp.hpp

@@ -52,6 +52,8 @@ public:
 
     bool setupVoutWindow(vout_window_t *p_wnd) override;
 
+    Type type() const override;
+
 private slots:
     void onSurfacePositionChanged(QPointF position);
 

modules/gui/qt/maininterface/compositor_dummy.cpp

@@ -74,4 +74,9 @@ bool CompositorDummy::setupVoutWindow(vout_window_t*)
     return false;
 }
 
+Compositor::Type CompositorDummy::type() const
+{
+    return Compositor::DummyCompositor;
+}
+
 }

modules/gui/qt/maininterface/compositor_dummy.hpp

@@ -42,6 +42,8 @@ public:
 
     bool setupVoutWindow(vout_window_t *p_wnd) override;
 
+    Type type() const override;
+
 protected:
     intf_thread_t *m_intf;
 

modules/gui/qt/maininterface/compositor_win7.cpp

@@ -273,6 +273,12 @@ bool CompositorWin7::setupVoutWindow(vout_window_t *p_wnd)
     return true;
 }
 
+
+Compositor::Type CompositorWin7::type() const
+{
+    return Compositor::Win7Compositor;
+}
+
 bool CompositorWin7::eventFilter(QObject*, QEvent* ev)
 {
     switch (ev->type())

modules/gui/qt/maininterface/compositor_win7.hpp

@@ -52,6 +52,8 @@ public:
     virtual void destroyMainInterface() override;
     virtual bool setupVoutWindow(vout_window_t*) override;
 
+    Type type() const override;
+
 protected:
     bool eventFilter(QObject *obj, QEvent *ev) override;