74e3eb5763
the compositing manager provides logout effect with another temporary hack that is not specific to KWin. CCMAIL: Dennis Kasprzyk <onestone@opencompositing.org> svn path=/trunk/KDE/kdebase/workspace/; revision=766848
110 lines
3.4 KiB
C++
110 lines
3.4 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 / 2000., 1. );
|
|
else if( progress != 0 )
|
|
progress = qBound( 0., progress - time / 500., 1. );
|
|
effects->prePaintScreen( data, time );
|
|
}
|
|
|
|
void LogoutEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
|
|
{
|
|
if( w != logout_window && progress != 0 )
|
|
{
|
|
// When saturation isn't supported then reduce brightness a bit more
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( effects->compositingType() == OpenGLCompositing && GLTexture::saturationSupported() )
|
|
{
|
|
data.saturation *= ( 1 - progress * 0.8 );
|
|
data.brightness *= ( 1 - progress * 0.3 );
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
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
|