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131 lines
3.5 KiB
131 lines
3.5 KiB
/***************************************************************** |
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KWin - the KDE window manager |
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This file is part of the KDE project. |
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Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org> |
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You can Freely distribute this program under the GNU General Public |
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License. See the file "COPYING" for the exact licensing terms. |
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******************************************************************/ |
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#ifndef KWIN_SCENE_H |
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#define KWIN_SCENE_H |
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#include "toplevel.h" |
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#include "utils.h" |
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namespace KWinInternal |
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{ |
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class Workspace; |
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class WindowPaintData; |
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class ScreenPaintData; |
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class Scene |
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{ |
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public: |
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Scene( Workspace* ws ); |
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virtual ~Scene() = 0; |
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class Window; |
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// repaints the given screen areas, windows provides the stacking order |
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virtual void paint( QRegion damage, ToplevelList windows ) = 0; |
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// shape/size of a window changed |
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virtual void windowGeometryShapeChanged( Toplevel* ); |
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// opacity of a window changed |
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virtual void windowOpacityChanged( Toplevel* ); |
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// a new window has been created |
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virtual void windowAdded( Toplevel* ); |
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// a window has been destroyed |
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virtual void windowDeleted( Toplevel* ); |
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enum |
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{ |
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PAINT_WINDOW_OPAQUE = 1 << 0, |
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PAINT_WINDOW_TRANSLUCENT = 1 << 1, |
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PAINT_WINDOW_TRANSFORMED = 1 << 2, |
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PAINT_SCREEN_REGION = 1 << 3, |
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PAINT_SCREEN_TRANSFORMED = 1 << 4 |
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}; |
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protected: |
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void paintScreen( int* mask, QRegion* region ); |
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virtual void paintGenericScreen( int mask, ScreenPaintData data ); |
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virtual void paintSimpleScreen( int mask, QRegion region ); |
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virtual void paintBackground( QRegion region ) = 0; |
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virtual void paintWindow( Window* w, int mask, QRegion region ); |
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static QRegion infiniteRegion(); |
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struct Phase2Data |
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{ |
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Phase2Data( Window* w, QRegion r, int m ) : window( w ), region( r ), mask( m ) {} |
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Window* window; |
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QRegion region; |
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int mask; |
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}; |
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QVector< Window* > stacking_order; |
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Workspace* wspace; |
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class WrapperEffect; |
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}; |
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class Scene::Window |
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{ |
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public: |
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Window( Toplevel* c ); |
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virtual ~Window(); |
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virtual void free(); // is often copied by value, use manually instead of dtor |
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virtual void performPaint( int mask, QRegion region, WindowPaintData data ) = 0; |
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int x() const; |
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int y() const; |
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int width() const; |
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int height() const; |
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const Toplevel* window() const; |
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bool isVisible() const; |
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bool isOpaque() const; |
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QRegion shape() const; |
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void discardShape(); |
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Window() {} // QMap sucks even in Qt4 |
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protected: |
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Toplevel* toplevel; |
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private: |
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mutable QRegion shape_region; |
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mutable bool shape_valid; |
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}; |
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extern Scene* scene; |
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inline |
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QRegion Scene::infiniteRegion() |
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{ // INT_MIN / 2 because it's width/height (INT_MIN+INT_MAX==-1) |
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return QRegion( INT_MIN / 2, INT_MIN / 2, INT_MAX, INT_MAX ); |
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} |
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inline |
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int Scene::Window::x() const |
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{ |
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return toplevel->x(); |
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} |
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inline |
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int Scene::Window::y() const |
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{ |
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return toplevel->y(); |
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} |
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inline |
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int Scene::Window::width() const |
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{ |
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return toplevel->width(); |
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} |
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inline |
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int Scene::Window::height() const |
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{ |
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return toplevel->height(); |
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} |
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inline |
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const Toplevel* Scene::Window::window() const |
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{ |
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return toplevel; |
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} |
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} // namespace |
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#endif
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