kwin/effects/login.cpp

101 lines
2.5 KiB
C++

/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2007 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 "login.h"
#include <kdebug.h>
namespace KWin
{
KWIN_EFFECT( login, LoginEffect )
LoginEffect::LoginEffect()
: progress( 1 )
, login_window( NULL )
{
}
void LoginEffect::prePaintScreen( ScreenPrePaintData& data, int time )
{
if( login_window != NULL )
{
if( progress != 1 )
{
progress = qBound( 0., progress + time / 2000., 1. );
if( progress == 1 )
{
login_window->unrefWindow();
login_window = NULL;
effects->prePaintScreen( data, time );
return;
}
}
}
effects->prePaintScreen( data, time );
}
void LoginEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
{
if( progress != 1 && w == login_window )
{
w->enablePainting( EffectWindow::PAINT_DISABLED_BY_DELETE );
data.setTranslucent();
}
effects->prePaintWindow( w, data, time );
}
void LoginEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
if( w == login_window && progress != 1 )
data.opacity *= ( 1 - progress );
effects->paintWindow( w, mask, region, data );
}
void LoginEffect::postPaintScreen()
{
if( login_window != NULL && progress != 1 )
effects->addRepaintFull();
effects->postPaintScreen();
}
void LoginEffect::windowAdded( EffectWindow* w )
{
if( isLoginSplash( w ))
{
login_window = w;
progress = 1;
effects->addRepaintFull();
}
}
void LoginEffect::windowClosed( EffectWindow* w )
{
if( w == login_window )
{
login_window->refWindow();
progress = 0;
effects->addRepaintFull();
}
}
bool LoginEffect::isLoginSplash( EffectWindow* w )
{ // TODO there should be probably a better way (window type?)
// see also fade effect
if( w->windowClass() == "ksplashx ksplashx"
|| w->windowClass() == "ksplashsimple ksplashsimple" )
{
return true;
}
return false;
}
} // namespace