153 lines
3.7 KiB
C++
153 lines
3.7 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 "utils.h"
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#include "workspace.h"
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#include "client.h"
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#include "unmanaged.h"
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#include "scene.h"
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#include "scene_basic.h"
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namespace KWinInternal
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{
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//****************************************
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// Workspace
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//****************************************
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#if defined( HAVE_XCOMPOSITE ) && defined( HAVE_XDAMAGE )
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void Workspace::setupCompositing()
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{
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if( !Extensions::compositeAvailable() || !Extensions::damageAvailable())
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return;
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if( scene != NULL )
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return;
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// TODO start tracking unmanaged windows
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compositeTimer.start( 20 );
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XCompositeRedirectSubwindows( display(), rootWindow(), CompositeRedirectManual );
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setDamaged();
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scene = new SceneBasic( this );
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}
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void Workspace::finishCompositing()
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{
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if( scene == NULL )
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return;
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XCompositeUnredirectSubwindows( display(), rootWindow(), CompositeRedirectManual );
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compositeTimer.stop();
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// TODO stop tracking unmanaged windows
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delete scene;
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scene = NULL;
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}
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void Workspace::setDamaged()
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{
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if( !compositing())
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return;
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damaged = true;
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}
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void Workspace::compositeTimeout()
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{
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if( !damaged )
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return;
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damaged = false;
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ToplevelList windows;
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Window* children;
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unsigned int children_count;
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Window dummy;
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XQueryTree( display(), rootWindow(), &dummy, &dummy, &children, &children_count );
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for( unsigned int i = 0;
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i < children_count;
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++i )
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{
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if( Client* c = findClient( FrameIdMatchPredicate( children[ i ] )))
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{
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if( c->isShown( true ) && c->isOnCurrentDesktop())
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windows.append( c );
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}
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else if( Unmanaged* c = findUnmanaged( HandleMatchPredicate( children[ i ] )))
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windows.append( c );
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}
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scene->setWindows( windows );
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scene->paint();
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}
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//****************************************
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// Toplevel
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//****************************************
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void Toplevel::setupCompositing()
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{
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if( !compositing())
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return;
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if( damage != None )
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return;
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damage = XDamageCreate( display(), handle(), XDamageReportRawRectangles );
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setDamaged();
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}
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void Toplevel::finishCompositing()
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{
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if( damage == None )
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return;
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XDamageDestroy( display(), damage );
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damage = None;
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if( window_pixmap != None )
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{
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XFreePixmap( display(), window_pixmap );
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window_pixmap = None;
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}
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}
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void Toplevel::setDamaged()
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{
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if( !compositing())
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return;
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workspace()->setDamaged();
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}
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void Toplevel::resetWindowPixmap()
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{
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if( !compositing())
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return;
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if( window_pixmap != None )
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XFreePixmap( display(), window_pixmap );
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window_pixmap = None;
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}
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Pixmap Toplevel::windowPixmap() const
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{
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if( window_pixmap == None && compositing())
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window_pixmap = XCompositeNameWindowPixmap( display(), handle());
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return window_pixmap;
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}
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//****************************************
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// Client
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//****************************************
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void Client::damageNotifyEvent( XDamageNotifyEvent* )
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{
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setDamaged();
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}
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//****************************************
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// Unmanaged
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//****************************************
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void Unmanaged::damageNotifyEvent( XDamageNotifyEvent* )
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{
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setDamaged();
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}
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#endif
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} // namespace
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