1 files changed, 78 insertions, 0 deletions
diff --git a/src/mcompositescene.h b/src/mcompositescene.h
new file mode 100644
index 0000000..572cb90
--- /dev/null
+++ b/src/mcompositescene.h
@@ -0,0 +1,78 @@
+/***************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (directui@nokia.com)
+**
+** This file is part of mcompositor.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at directui@nokia.com.
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation
+** and appearing in the file LICENSE.LGPL included in the packaging
+** of this file.
+**
+****************************************************************************/
+
+#ifndef DUICOMPOSITESCENE_H
+#define DUICOMPOSITESCENE_H
+
+#include <QGraphicsScene>
+#include <QGraphicsItem>
+#include <X11/Xlib.h>
+#include <map>
+
+class QMouseEvent;
+
+/*!
+ * The QGraphicsScene used by MCompositor to render the MGLXTexturePixmap
+ * items.
+ *
+ * We use a custom scene to capture mouse and keyboard events generated by
+ * the user as they manipulate the composited items on the screen
+ */
+class MCompositeScene: public QGraphicsScene
+{
+    Q_OBJECT
+public:
+
+    /*!
+     * Constructs a MCompositeScene
+     *
+     * \param parent QObject, defaults to 0
+     */
+    MCompositeScene(QObject *parent = 0);
+
+    /*!
+     * Prepares the root window by hooking up to its event delivery system and
+     * ensuring future created children redirect themselves to offscreen pixmaps
+     */
+    void prepareRoot();
+
+    /*!
+     * Creates an event "hole" within the Window win so that events generated
+     * by win can pass through down to the Window below it.
+     *
+     * \param win Window id of the Window you intend to generate a pass-through
+     * area
+     * \param geom Geometry of the area within win used as a pass-through area
+     */
+    void setupOverlay(Window win, const QRect &geom,
+                      bool restoreInput = false);
+protected:
+    void drawItems(QPainter *painter, int numItems, QGraphicsItem *items[], const QStyleOptionGraphicsItem options[], QWidget *widget);
+
+private:
+
+    Window root;
+    bool drawActive;
+
+signals:
+
+    void switchWindow();
+};
+
+#endif