158 lines
4.4 KiB
C++
158 lines
4.4 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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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( composite_pixmap != None )
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return;
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compositeTimer.start( 20 );
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XCompositeRedirectSubwindows( display(), rootWindow(), CompositeRedirectManual );
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composite_pixmap = XCreatePixmap( display(), rootWindow(), displayWidth(), displayHeight(), QX11Info::appDepth());
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setDamaged();
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}
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void Workspace::finishCompositing()
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{
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if( composite_pixmap == None )
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return;
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XCompositeUnredirectSubwindows( display(), rootWindow(), CompositeRedirectManual );
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XFreePixmap( display(), composite_pixmap );
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compositeTimer.stop();
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composite_pixmap = None;
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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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XGCValues val;
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val.foreground = WhitePixel( display(), DefaultScreen( display()));
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val.subwindow_mode = IncludeInferiors;
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GC gc = XCreateGC( display(), composite_pixmap, GCForeground | GCSubwindowMode, &val );
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XFillRectangle( display(), composite_pixmap, gc, 0, 0, displayWidth(), displayHeight());
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for( ClientList::ConstIterator it = stackingOrder().begin();
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it != stackingOrder().end();
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++it )
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{
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QRect r = (*it)->geometry().intersect( QRect( 0, 0, displayWidth(), displayHeight()));
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if( !r.isEmpty())
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{
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XCopyArea( display(), (*it)->windowPixmap(), composite_pixmap, gc,
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qMax( 0, -(*it)->x()), qMax( 0, -(*it)->y()), r.width(), r.height(), r.x(), r.y());
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}
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}
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for( UnmanagedList::ConstIterator it = unmanaged.begin();
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it != unmanaged.end();
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++it )
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{
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QRect r = (*it)->geometry().intersect( QRect( 0, 0, displayWidth(), displayHeight()));
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if( !r.isEmpty())
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XCopyArea( display(), (*it)->windowPixmap(), composite_pixmap, gc,
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qMax( 0, -(*it)->x()), qMax( 0, -(*it)->y()), r.width(), r.height(), r.x(), r.y());
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}
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XCopyArea( display(), composite_pixmap, rootWindow(), gc, 0, 0, displayWidth(), displayHeight(), 0, 0 );
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XFreeGC( display(), gc );
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XFlush( display());
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damaged = false;
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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( !workspace()->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( !workspace()->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( !workspace()->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 && workspace()->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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