112 lines
2.5 KiB
C++
112 lines
2.5 KiB
C++
/*****************************************************************
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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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#include "scene_basic.h"
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#include "client.h"
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#include <X11/extensions/shape.h>
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namespace KWinInternal
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{
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//****************************************
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// Scene
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//****************************************
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Scene* scene;
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Scene::Scene( Workspace* ws )
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: wspace( ws )
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{
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}
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Scene::~Scene()
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{
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}
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void Scene::windowGeometryShapeChanged( Toplevel* )
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{
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}
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void Scene::windowOpacityChanged( Toplevel* )
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{
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}
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void Scene::windowAdded( Toplevel* )
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{
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}
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void Scene::windowDeleted( Toplevel* )
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{
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}
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//****************************************
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// Scene::Window
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//****************************************
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Scene::Window::Window( Toplevel * c )
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: toplevel( c )
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, shape_valid( false )
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{
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}
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Scene::Window::~Window()
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{
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}
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void Scene::Window::discardShape()
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{
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shape_valid = false;
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}
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QRegion Scene::Window::shape() const
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{
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if( !shape_valid )
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{
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Client* c = dynamic_cast< Client* >( toplevel );
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if( toplevel->shape() || ( c != NULL && !c->mask().isEmpty()))
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{
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int count, order;
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XRectangle* rects = XShapeGetRectangles( display(), toplevel->handle(),
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ShapeBounding, &count, &order );
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if(rects)
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{
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shape_region = QRegion();
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for( int i = 0;
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i < count;
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++i )
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shape_region += QRegion( rects[ i ].x, rects[ i ].y,
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rects[ i ].width, rects[ i ].height );
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XFree(rects);
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}
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else
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shape_region = QRegion( 0, 0, width(), height());
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}
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else
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shape_region = QRegion( 0, 0, width(), height());
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shape_valid = true;
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}
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return shape_region;
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}
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bool Scene::Window::isVisible() const
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{
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// TODO mapping state?
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return !toplevel->geometry()
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.intersect( QRect( 0, 0, displayWidth(), displayHeight()))
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.isEmpty();
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}
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bool Scene::Window::isOpaque() const
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{
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return toplevel->opacity() == 1.0 && !toplevel->hasAlpha();
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}
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} // namespace
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