kwin/deleted.cpp
Luboš Luňák 68110d05fb Discard Deleted windows when finishing compositing, so that they're
not reused if compositing is started again.
BUG: 152914


svn path=/branches/KDE/4.1/kdebase/workspace/; revision=838647
2008-07-28 11:54:33 +00:00

102 lines
2.5 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "deleted.h"
#include "workspace.h"
#include "client.h"
#include "effects.h"
namespace KWin
{
Deleted::Deleted( Workspace* ws )
: Toplevel( ws )
, delete_refcount( 1 )
{
}
Deleted::~Deleted()
{
assert( delete_refcount == 0 );
workspace()->removeDeleted( this, Allowed );
deleteEffectWindow();
}
Deleted* Deleted::create( Toplevel* c )
{
Deleted* d = new Deleted( c->workspace());
d->copyToDeleted( c );
d->workspace()->addDeleted( d, Allowed );
return d;
}
// to be used only from Workspace::finishCompositing()
void Deleted::discard( allowed_t )
{
delete_refcount = 0;
delete this;
}
void Deleted::copyToDeleted( Toplevel* c )
{
assert( dynamic_cast< Deleted* >( c ) == NULL );
Toplevel::copyToDeleted( c );
desk = c->desktop();
contentsRect = QRect( c->clientPos(), c->clientSize());
if( WinInfo* cinfo = dynamic_cast< WinInfo* >( info ))
cinfo->disable();
}
void Deleted::unrefWindow( bool delay )
{
if( --delete_refcount > 0 )
return;
// needs to be delayed when calling from effects, otherwise it'd be rather
// complicated to handle the case of the window going away during a painting pass
if( delay )
deleteLater();
else
delete this;
}
int Deleted::desktop() const
{
return desk;
}
QPoint Deleted::clientPos() const
{
return contentsRect.topLeft();
}
QSize Deleted::clientSize() const
{
return contentsRect.size();
}
void Deleted::debug( kdbgstream& stream ) const
{
stream << "\'ID:" << window() << "\' (deleted)";
}
} // namespace
#include "deleted.moc"