108 lines
3.3 KiB
C++
108 lines
3.3 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) 2007 Lubos Lunak <l.lunak@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "logout.h"
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#include "kwinglutils.h"
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#include <kdebug.h>
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namespace KWin
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{
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KWIN_EFFECT( logout, LogoutEffect )
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LogoutEffect::LogoutEffect()
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: progress( 0 )
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, logout_window( NULL )
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{
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char net_wm_cm_name[ 100 ];
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sprintf( net_wm_cm_name, "_NET_WM_CM_S%d", DefaultScreen( display()));
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Atom net_wm_cm = XInternAtom( display(), net_wm_cm_name, False );
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Window sel = XGetSelectionOwner( display(), net_wm_cm );
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Atom hack = XInternAtom( display(), "_KWIN_LOGOUT_EFFECT", False );
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XChangeProperty( display(), sel, hack, hack, 8, PropModeReplace, (unsigned char*)&hack, 1 );
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// the atom is not removed when effect is destroyed, this is temporary anyway
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}
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void LogoutEffect::prePaintScreen( ScreenPrePaintData& data, int time )
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{
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if( logout_window != NULL )
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progress = qBound( 0., progress + time / animationTime( 2000. ), 1. );
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else if( progress != 0 )
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progress = qBound( 0., progress - time / animationTime( 500. ), 1. );
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effects->prePaintScreen( data, time );
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}
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void LogoutEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
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{
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if( w != logout_window && progress != 0 )
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{
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if( effects->saturationSupported() )
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{
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data.saturation *= ( 1 - progress * 0.8 );
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data.brightness *= ( 1 - progress * 0.3 );
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}
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else // When saturation isn't supported then reduce brightness a bit more
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{
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data.brightness *= ( 1 - progress * 0.6 );
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}
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}
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effects->paintWindow( w, mask, region, data );
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}
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void LogoutEffect::postPaintScreen()
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{
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if( progress != 0 && progress != 1 )
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effects->addRepaintFull();
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effects->postPaintScreen();
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}
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void LogoutEffect::windowAdded( EffectWindow* w )
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{
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if( isLogoutDialog( w ))
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{
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logout_window = w;
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progress = 0;
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effects->addRepaintFull();
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}
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}
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void LogoutEffect::windowClosed( EffectWindow* w )
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{
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if( w == logout_window )
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{
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logout_window = NULL;
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effects->addRepaintFull();
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}
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}
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bool LogoutEffect::isLogoutDialog( EffectWindow* w )
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{ // TODO there should be probably a better way (window type?)
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if( w->windowClass() == "ksmserver ksmserver"
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&& ( w->windowRole() == "logoutdialog" || w->windowRole() == "logouteffect" ))
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{
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return true;
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}
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return false;
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}
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} // namespace
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