296 lines
8 KiB
C++
296 lines
8 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 "effects.h"
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#include "scene.h"
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#include "scene_basic.h"
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#include "scene_xrender.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 ) && defined( HAVE_XFIXES )
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void Workspace::setupCompositing()
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{
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if( !options->useTranslucency )
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return;
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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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compositeTimer.start( 20 );
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XCompositeRedirectSubwindows( display(), rootWindow(), CompositeRedirectManual );
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// scene = new SceneBasic( this );
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scene = new SceneXrender( this );
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effects = new EffectsHandler( this );
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addDamage( 0, 0, displayWidth(), displayHeight());
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foreach( Client* c, clients )
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c->setupCompositing();
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foreach( Unmanaged* c, unmanaged )
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c->setupCompositing();
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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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foreach( Client* c, clients )
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c->finishCompositing();
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foreach( Unmanaged* c, unmanaged )
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c->finishCompositing();
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XCompositeUnredirectSubwindows( display(), rootWindow(), CompositeRedirectManual );
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compositeTimer.stop();
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delete effects;
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effects = NULL;
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delete scene;
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scene = NULL;
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if( damage_region != None )
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XFixesDestroyRegion( display(), damage_region );
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damage_region = None;
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for( ClientList::ConstIterator it = clients.begin();
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it != clients.end();
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++it )
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{ // forward all opacity values to the frame in case there'll be other CM running
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if( (*it)->opacity() != 1.0 )
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{
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NETWinInfo i( display(), (*it)->frameId(), rootWindow(), 0 );
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i.setOpacity( static_cast< unsigned long >((*it)->opacity() * 0xffffffff ));
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}
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}
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}
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void Workspace::addDamage( const QRect& r )
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{
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addDamage( r.x(), r.y(), r.width(), r.height());
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}
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void Workspace::addDamage( int x, int y, int w, int h )
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{
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if( !compositing())
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return;
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XRectangle r;
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r.x = x;
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r.y = y;
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r.width = w;
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r.height = h;
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addDamage( XFixesCreateRegion( display(), &r, 1 ), true );
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}
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void Workspace::addDamage( XserverRegion r, bool destroy )
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{
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if( !compositing())
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return;
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if( damage_region != None )
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{
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XFixesUnionRegion( display(), damage_region, damage_region, r );
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if( destroy )
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XFixesDestroyRegion( display(), r );
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}
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else
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{
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if( destroy )
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damage_region = r;
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else
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{
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damage_region = XFixesCreateRegion( display(), NULL, 0 );
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XFixesCopyRegion( display(), damage_region, r );
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}
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}
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}
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void Workspace::addDamage( Toplevel* c, const QRect& r )
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{
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addDamage( c, r.x(), r.y(), r.width(), r.height());
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}
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void Workspace::addDamage( Toplevel* c, int x, int y, int w, int h )
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{
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if( !compositing())
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return;
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XRectangle r;
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r.x = x;
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r.y = y;
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r.width = w;
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r.height = h;
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addDamage( c, XFixesCreateRegion( display(), &r, 1 ), true );
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}
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void Workspace::addDamage( Toplevel* c, XserverRegion r, bool destroy )
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{
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if( !compositing())
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return;
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if( !destroy )
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{
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XserverRegion r2 = XFixesCreateRegion( display(), NULL, 0 );
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XFixesCopyRegion( display(), r2, r );
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r = r2;
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destroy = true;
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}
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scene->transformWindowDamage( c, r );
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if( damage_region != None )
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{
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XFixesUnionRegion( display(), damage_region, damage_region, r );
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XFixesDestroyRegion( display(), r );
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}
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else
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damage_region = r;
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}
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void Workspace::compositeTimeout()
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{
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ToplevelList windows;
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foreach( Toplevel* c, clients )
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windows.append( c );
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foreach( Toplevel* c, unmanaged )
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windows.append( c );
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foreach( Toplevel* c, windows )
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{
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if( c->damage() != None )
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{
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if( damage_region == None )
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damage_region = XFixesCreateRegion( display(), NULL, 0 );
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XserverRegion r = XFixesCreateRegion( display(), NULL, 0 );
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XFixesCopyRegion( display(), r, c->damage());
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scene->transformWindowDamage( c, r );
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XFixesUnionRegion( display(), damage_region, damage_region, r );
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XFixesDestroyRegion( display(), r );
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c->resetDamage();
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}
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}
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if( damage_region == None ) // no damage
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return;
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windows.clear();
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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->paint( damage_region, windows );
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XFixesDestroyRegion( display(), damage_region );
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damage_region = None;
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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_handle != None )
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return;
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damage_handle = XDamageCreate( display(), handle(), XDamageReportRawRectangles );
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}
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void Toplevel::finishCompositing()
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{
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if( damage_handle == None )
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return;
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XDamageDestroy( display(), damage_handle );
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damage_handle = None;
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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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if( damage_region != None )
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XFixesDestroyRegion( display(), damage_region );
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damage_region = None;
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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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void Toplevel::damageNotifyEvent( XDamageNotifyEvent* e )
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{
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XserverRegion r = XFixesCreateRegion( display(), &e->area, 1 );
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addDamage( r, true );
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}
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void Toplevel::addDamage( const QRect& r )
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{
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addDamage( r.x(), r.y(), r.width(), r.height());
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}
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void Toplevel::addDamage( int x, int y, int w, int h )
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{
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if( !compositing())
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return;
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XRectangle r;
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r.x = x;
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r.y = y;
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r.width = w;
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r.height = h;
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addDamage( XFixesCreateRegion( display(), &r, 1 ), true );
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}
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void Toplevel::addDamage( XserverRegion r, bool destroy )
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{
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if( !compositing())
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return;
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if( damage_region != None )
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{
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XFixesUnionRegion( display(), damage_region, damage_region, r );
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if( destroy )
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XFixesDestroyRegion( display(), r );
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}
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else
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{
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if( destroy )
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damage_region = r;
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else
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{
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damage_region = XFixesCreateRegion( display(), NULL, 0 );
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XFixesCopyRegion( display(), damage_region, r );
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}
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}
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}
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void Toplevel::resetDamage()
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{
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if( damage_region != None )
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XFixesDestroyRegion( display(), damage_region );
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damage_region = None;
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}
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#endif
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} // namespace
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