103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
/********************************************************************
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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) 2006 Rivo Laks <rivolaks@hot.ee>
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Copyright (C) 2011 Thomas Lübking <thomas.luebking@web.de>
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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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#include "dialogparent.h"
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namespace KWin
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{
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KWIN_EFFECT(dialogparent, DialogParentEffect)
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DialogParentEffect::DialogParentEffect()
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{
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reconfigure(ReconfigureAll);
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connect(effects, SIGNAL(windowClosed(KWin::EffectWindow*)), this, SLOT(slotWindowClosed(KWin::EffectWindow*)));
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connect(effects, SIGNAL(windowActivated(KWin::EffectWindow*)), this, SLOT(slotWindowActivated(KWin::EffectWindow*)));
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}
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void DialogParentEffect::reconfigure(ReconfigureFlags)
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{
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// How long does it take for the effect to get it's full strength (in ms)
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changeTime = animationTime(300);
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}
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void DialogParentEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
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{
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QMap<EffectWindow*, float>::iterator it = effectStrength.find(w);
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if (it != effectStrength.end()) {
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if (!w->findModal()) {
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*it -= time/changeTime;
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if (*it <= 0.0f)
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effectStrength.erase(it);
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}
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else if (*it < 1.0f)
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*it = qMin(1.0f, *it + time/changeTime);
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}
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effects->prePaintWindow(w, data, time);
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}
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void DialogParentEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
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{
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const float s = effectStrength.value(w, 0.0);
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if (s > 0.0f) {
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data.brightness *= (1.0f - 0.4*s); // [1.0; 0.6]
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data.saturation *= (1.0f - 0.6*s); // [1.0; 0.4]
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}
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effects->paintWindow(w, mask, region, data);
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}
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void DialogParentEffect::postPaintWindow(EffectWindow* w)
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{
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const float s = effectStrength.value(w, 0.0);
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if (s > 0.0f && s < 1.0f) // not done yet
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w->addRepaintFull();
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effects->postPaintWindow( w );
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}
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void DialogParentEffect::slotWindowActivated(EffectWindow* w)
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{
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if (w && w->isModal()) {
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EffectWindowList mainwindows = w->mainWindows();
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foreach (EffectWindow* parent, mainwindows) {
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if (!effectStrength.contains(parent))
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effectStrength[parent] = 0.0;
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parent->addRepaintFull();
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}
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}
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}
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void DialogParentEffect::slotWindowClosed(EffectWindow* w)
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{
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if (w && w->isModal()) {
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EffectWindowList mainwindows = w->mainWindows();
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foreach(EffectWindow* parent, mainwindows)
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parent->addRepaintFull(); // brighten up
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}
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effectStrength.remove(w);
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}
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bool DialogParentEffect::isActive() const
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{
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return !effectStrength.isEmpty();
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}
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} // namespace
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