/******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2007 Lubos Lunak 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 . *********************************************************************/ #include "logout.h" #include "kwinglutils.h" #include 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