kwin/composite.cpp

297 lines
8.0 KiB
C++

/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
#include "utils.h"
#include "workspace.h"
#include "client.h"
#include "unmanaged.h"
#include "effects.h"
#include "scene.h"
#include "scene_basic.h"
#include "scene_xrender.h"
namespace KWinInternal
{
//****************************************
// Workspace
//****************************************
#if defined( HAVE_XCOMPOSITE ) && defined( HAVE_XDAMAGE ) && defined( HAVE_XFIXES )
void Workspace::setupCompositing()
{
if( !options->useTranslucency )
return;
if( !Extensions::compositeAvailable() || !Extensions::damageAvailable())
return;
if( scene != NULL )
return;
compositeTimer.start( 20 );
XCompositeRedirectSubwindows( display(), rootWindow(), CompositeRedirectManual );
// scene = new SceneBasic( this );
scene = new SceneXrender( this );
effects = new EffectsHandler( this );
addDamage( 0, 0, displayWidth(), displayHeight());
foreach( Client* c, clients )
c->setupCompositing();
foreach( Unmanaged* c, unmanaged )
c->setupCompositing();
}
void Workspace::finishCompositing()
{
if( scene == NULL )
return;
foreach( Client* c, clients )
c->finishCompositing();
foreach( Unmanaged* c, unmanaged )
c->finishCompositing();
XCompositeUnredirectSubwindows( display(), rootWindow(), CompositeRedirectManual );
compositeTimer.stop();
delete effects;
effects = NULL;
delete scene;
scene = NULL;
if( damage_region != None )
XFixesDestroyRegion( display(), damage_region );
damage_region = None;
for( ClientList::ConstIterator it = clients.begin();
it != clients.end();
++it )
{ // forward all opacity values to the frame in case there'll be other CM running
if( (*it)->opacity() != 1.0 )
{
NETWinInfo i( display(), (*it)->frameId(), rootWindow(), 0 );
i.setOpacity( static_cast< unsigned long >((*it)->opacity() * 0xffffffff ));
}
}
}
void Workspace::addDamage( const QRect& r )
{
addDamage( r.x(), r.y(), r.width(), r.height());
}
void Workspace::addDamage( int x, int y, int w, int h )
{
if( !compositing())
return;
XRectangle r;
r.x = x;
r.y = y;
r.width = w;
r.height = h;
addDamage( XFixesCreateRegion( display(), &r, 1 ), true );
}
void Workspace::addDamage( XserverRegion r, bool destroy )
{
if( !compositing())
return;
if( damage_region != None )
{
XFixesUnionRegion( display(), damage_region, damage_region, r );
if( destroy )
XFixesDestroyRegion( display(), r );
}
else
{
if( destroy )
damage_region = r;
else
{
damage_region = XFixesCreateRegion( display(), NULL, 0 );
XFixesCopyRegion( display(), damage_region, r );
}
}
}
void Workspace::addDamage( Toplevel* c, const QRect& r )
{
addDamage( c, r.x(), r.y(), r.width(), r.height());
}
void Workspace::addDamage( Toplevel* c, int x, int y, int w, int h )
{
if( !compositing())
return;
XRectangle r;
r.x = x;
r.y = y;
r.width = w;
r.height = h;
addDamage( c, XFixesCreateRegion( display(), &r, 1 ), true );
}
void Workspace::addDamage( Toplevel* c, XserverRegion r, bool destroy )
{
if( !compositing())
return;
if( !destroy )
{
XserverRegion r2 = XFixesCreateRegion( display(), NULL, 0 );
XFixesCopyRegion( display(), r2, r );
r = r2;
destroy = true;
}
scene->transformWindowDamage( c, r );
if( damage_region != None )
{
XFixesUnionRegion( display(), damage_region, damage_region, r );
XFixesDestroyRegion( display(), r );
}
else
damage_region = r;
}
void Workspace::compositeTimeout()
{
ToplevelList windows;
foreach( Toplevel* c, clients )
windows.append( c );
foreach( Toplevel* c, unmanaged )
windows.append( c );
foreach( Toplevel* c, windows )
{
if( c->damage() != None )
{
if( damage_region == None )
damage_region = XFixesCreateRegion( display(), NULL, 0 );
XserverRegion r = XFixesCreateRegion( display(), NULL, 0 );
XFixesCopyRegion( display(), r, c->damage());
scene->transformWindowDamage( c, r );
XFixesUnionRegion( display(), damage_region, damage_region, r );
XFixesDestroyRegion( display(), r );
c->resetDamage();
}
}
if( damage_region == None ) // no damage
return;
windows.clear();
Window* children;
unsigned int children_count;
Window dummy;
XQueryTree( display(), rootWindow(), &dummy, &dummy, &children, &children_count );
for( unsigned int i = 0;
i < children_count;
++i )
{
if( Client* c = findClient( FrameIdMatchPredicate( children[ i ] )))
{
if( c->isShown( true ) && c->isOnCurrentDesktop())
windows.append( c );
}
else if( Unmanaged* c = findUnmanaged( HandleMatchPredicate( children[ i ] )))
windows.append( c );
}
scene->paint( damage_region, windows );
XFixesDestroyRegion( display(), damage_region );
damage_region = None;
}
//****************************************
// Toplevel
//****************************************
void Toplevel::setupCompositing()
{
if( !compositing())
return;
if( damage_handle != None )
return;
damage_handle = XDamageCreate( display(), handle(), XDamageReportRawRectangles );
}
void Toplevel::finishCompositing()
{
if( damage_handle == None )
return;
XDamageDestroy( display(), damage_handle );
damage_handle = None;
if( window_pixmap != None )
XFreePixmap( display(), window_pixmap );
window_pixmap = None;
if( damage_region != None )
XFixesDestroyRegion( display(), damage_region );
damage_region = None;
}
void Toplevel::resetWindowPixmap()
{
if( !compositing())
return;
if( window_pixmap != None )
XFreePixmap( display(), window_pixmap );
window_pixmap = None;
}
Pixmap Toplevel::windowPixmap() const
{
if( window_pixmap == None && compositing())
window_pixmap = XCompositeNameWindowPixmap( display(), handle());
return window_pixmap;
}
void Toplevel::damageNotifyEvent( XDamageNotifyEvent* e )
{
XserverRegion r = XFixesCreateRegion( display(), &e->area, 1 );
addDamage( r, true );
}
void Toplevel::addDamage( const QRect& r )
{
addDamage( r.x(), r.y(), r.width(), r.height());
}
void Toplevel::addDamage( int x, int y, int w, int h )
{
if( !compositing())
return;
XRectangle r;
r.x = x;
r.y = y;
r.width = w;
r.height = h;
addDamage( XFixesCreateRegion( display(), &r, 1 ), true );
}
void Toplevel::addDamage( XserverRegion r, bool destroy )
{
if( !compositing())
return;
if( damage_region != None )
{
XFixesUnionRegion( display(), damage_region, damage_region, r );
if( destroy )
XFixesDestroyRegion( display(), r );
}
else
{
if( destroy )
damage_region = r;
else
{
damage_region = XFixesCreateRegion( display(), NULL, 0 );
XFixesCopyRegion( display(), damage_region, r );
}
}
}
void Toplevel::resetDamage()
{
if( damage_region != None )
XFixesDestroyRegion( display(), damage_region );
damage_region = None;
}
#endif
} // namespace