[kwineffects] Expose fullScreen property in EffectWindow

Also copied to Deleted.

deleted.cpp

@@ -42,6 +42,7 @@ Deleted::Deleted()
     , m_modal(false)
     , m_wasClient(false)
     , m_decorationRenderer(nullptr)
+    , m_fullscreen(false)
 {
 }
 
@@ -108,6 +109,7 @@ void Deleted::copyToDeleted(Toplevel* c)
         foreach (AbstractClient *c, m_mainClients) {
             connect(c, &AbstractClient::windowClosed, this, &Deleted::mainClientClosed);
         }
+        m_fullscreen = client->isFullScreen();
     }
 }
 

deleted.h

@@ -39,6 +39,7 @@ class KWIN_EXPORT Deleted
     Q_OBJECT
     Q_PROPERTY(bool minimized READ isMinimized)
     Q_PROPERTY(bool modal READ isModal)
+    Q_PROPERTY(bool fullScreen READ isFullScreen CONSTANT)
 public:
     static Deleted* create(Toplevel* c);
     // used by effects to keep the window around for e.g. fadeout effects when it's destroyed
@@ -82,6 +83,10 @@ public:
     const Decoration::Renderer *decorationRenderer() const {
         return m_decorationRenderer;
     }
+
+    bool isFullScreen() const {
+        return m_fullscreen;
+    }
 protected:
     virtual void debug(QDebug& stream) const;
     virtual bool shouldUnredirect() const;
@@ -114,6 +119,7 @@ private:
     double m_opacity;
     NET::WindowType m_type = NET::Unknown;
     QByteArray m_windowRole;
+    bool m_fullscreen;
 };
 
 inline void Deleted::refWindow()

libkwineffects/kwineffects.cpp

@@ -839,6 +839,7 @@ WINDOW_HELPER_DEFAULT(QIcon, icon, "icon", QIcon())
 WINDOW_HELPER_DEFAULT(bool, isSkipSwitcher, "skipSwitcher", false)
 WINDOW_HELPER_DEFAULT(bool, isCurrentTab, "isCurrentTab", false)
 WINDOW_HELPER_DEFAULT(bool, decorationHasAlpha, "decorationHasAlpha", false)
+WINDOW_HELPER_DEFAULT(bool, isFullScreen, "fullScreen", false)
 
 #undef WINDOW_HELPER_DEFAULT
 

libkwineffects/kwineffects.h

@@ -1660,6 +1660,12 @@ class KWINEFFECTS_EXPORT EffectWindow : public QObject
      * relevant only in Wayland, on X11 it will be nullptr
      */
     Q_PROPERTY(KWayland::Server::SurfaceInterface *surface READ surface)
+
+    /**
+     * Whether the window is fullscreen.
+     * @since 5.6
+     **/
+    Q_PROPERTY(bool fullScreen READ isFullScreen)
 public:
     /**  Flags explaining why painting should be disabled  */
     enum {
@@ -1897,6 +1903,11 @@ public:
      */
     KWayland::Server::SurfaceInterface *surface() const;
 
+    /**
+     * @since 5.6
+     **/
+    bool isFullScreen() const;
+
     /**
      * Can be used to by effects to store arbitrary data in the EffectWindow.
      */