kwin/effects/logout/logout.cpp
Lucas Murray 846496d2c1 Cleaned up the effects/ directory by moving each individual effect into
its own directory, cleaned up the effect config macros and renamed
"MakeTransparent" to "Translucency" so that it matches its visible name.

svn path=/trunk/KDE/kdebase/workspace/; revision=921749
2009-02-05 15:35:38 +00:00

107 lines
3.3 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2007 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 "logout.h"
#include "kwinglutils.h"
#include <kdebug.h>
namespace KWin
{
KWIN_EFFECT( logout, LogoutEffect )
LogoutEffect::LogoutEffect()
: progress( 0 )
, logout_window( NULL )
{
char net_wm_cm_name[ 100 ];
sprintf( net_wm_cm_name, "_NET_WM_CM_S%d", DefaultScreen( display()));
Atom net_wm_cm = XInternAtom( display(), net_wm_cm_name, False );
Window sel = XGetSelectionOwner( display(), net_wm_cm );
Atom hack = XInternAtom( display(), "_KWIN_LOGOUT_EFFECT", False );
XChangeProperty( display(), sel, hack, hack, 8, PropModeReplace, (unsigned char*)&hack, 1 );
// the atom is not removed when effect is destroyed, this is temporary anyway
}
void LogoutEffect::prePaintScreen( ScreenPrePaintData& data, int time )
{
if( logout_window != NULL )
progress = qBound( 0., progress + time / animationTime( 2000. ), 1. );
else if( progress != 0 )
progress = qBound( 0., progress - time / animationTime( 500. ), 1. );
effects->prePaintScreen( data, time );
}
void LogoutEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
if( w != logout_window && progress != 0 )
{
if( effects->saturationSupported() )
{
data.saturation *= ( 1 - progress * 0.8 );
data.brightness *= ( 1 - progress * 0.3 );
}
else // When saturation isn't supported then reduce brightness a bit more
{
data.brightness *= ( 1 - progress * 0.6 );
}
}
effects->paintWindow( w, mask, region, data );
}
void LogoutEffect::postPaintScreen()
{
if( progress != 0 && progress != 1 )
effects->addRepaintFull();
effects->postPaintScreen();
}
void LogoutEffect::windowAdded( EffectWindow* w )
{
if( isLogoutDialog( w ))
{
logout_window = w;
progress = 0;
effects->addRepaintFull();
}
}
void LogoutEffect::windowClosed( EffectWindow* w )
{
if( w == logout_window )
{
logout_window = NULL;
effects->addRepaintFull();
}
}
bool LogoutEffect::isLogoutDialog( EffectWindow* w )
{ // TODO there should be probably a better way (window type?)
if( w->windowClass() == "ksmserver ksmserver"
&& ( w->windowRole() == "logoutdialog" || w->windowRole() == "logouteffect" ))
{
return true;
}
return false;
}
} // namespace