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/********************************************************************
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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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KWIN_EFFECT(login, LoginEffect)
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LoginEffect::LoginEffect()
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connect(effects, SIGNAL(windowClosed(EffectWindow*)), this, SLOT(slotWindowClosed(EffectWindow*)));
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void LoginEffect::prePaintScreen(ScreenPrePaintData& data, int time)
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if (login_window != NULL) {
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if (progress != 1.0) {
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progress = qBound(0.0, progress + time / animationTime(2000), 1.0);
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if (progress == 1.0) {
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login_window->unrefWindow();
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effects->prePaintScreen(data, time);
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effects->prePaintScreen(data, time);
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void LoginEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
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if (progress != 1.0 && w == login_window) {
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w->enablePainting(EffectWindow::PAINT_DISABLED_BY_DELETE);
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data.setTranslucent();
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effects->prePaintWindow(w, data, time);
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void LoginEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
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if (w == login_window && progress != 1.0)
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data.opacity *= (1.0 - progress);
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effects->paintWindow(w, mask, region, data);
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void LoginEffect::postPaintScreen()
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if (login_window != NULL && progress != 1.0)
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effects->addRepaintFull();
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effects->postPaintScreen();
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void LoginEffect::slotWindowClosed(EffectWindow* w)
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if (isLoginSplash(w)) {
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return; // We already have a window... should never happen.
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login_window->refWindow();
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effects->addRepaintFull();
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bool LoginEffect::isLoginSplash(EffectWindow* w)
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// TODO there should be probably a better way (window type?)
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// see also fade effect and composite.cpp
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if (w->windowClass() == "ksplashx ksplashx"
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|| w->windowClass() == "ksplashsimple ksplashsimple") {