381 lines
18 KiB
C++
381 lines
18 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) 2008 Martin Gräßlin <ubuntu@martin-graesslin.com>
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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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// based on minimize animation by Rivo Laks <rivolaks@hot.ee>
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#include "magiclamp.h"
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// KConfigSkeleton
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#include "magiclampconfig.h"
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#include <kwinconfig.h>
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#include <kconfiggroup.h>
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#include <QTimeLine>
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#include <QtDebug>
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namespace KWin
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{
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KWIN_EFFECT(magiclamp, MagicLampEffect)
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KWIN_EFFECT_SUPPORTED(magiclamp, MagicLampEffect::supported())
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MagicLampEffect::MagicLampEffect()
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{
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mActiveAnimations = 0;
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reconfigure(ReconfigureAll);
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connect(effects, SIGNAL(windowDeleted(KWin::EffectWindow*)), this, SLOT(slotWindowDeleted(KWin::EffectWindow*)));
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connect(effects, SIGNAL(windowMinimized(KWin::EffectWindow*)), this, SLOT(slotWindowMinimized(KWin::EffectWindow*)));
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connect(effects, SIGNAL(windowUnminimized(KWin::EffectWindow*)), this, SLOT(slotWindowUnminimized(KWin::EffectWindow*)));
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}
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bool MagicLampEffect::supported()
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{
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return effects->isOpenGLCompositing();
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}
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void MagicLampEffect::reconfigure(ReconfigureFlags)
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{
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MagicLampConfig::self()->readConfig();
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// TODO: rename animationDuration to duration
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mAnimationDuration = animationTime(MagicLampConfig::animationDuration() != 0 ? MagicLampConfig::animationDuration() : 250);
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KConfigGroup conf = effects->effectConfig("MagicLamp");
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conf = effects->effectConfig("Shadow");
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int v = conf.readEntry("Size", 5);
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v += conf.readEntry("Fuzzyness", 10);
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mShadowOffset[0] = mShadowOffset[1] = -v;
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mShadowOffset[2] = mShadowOffset[3] = v;
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v = conf.readEntry("XOffset", 0);
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mShadowOffset[0] -= v;
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mShadowOffset[2] += v;
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v = conf.readEntry("YOffset", 3);
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mShadowOffset[1] -= v;
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mShadowOffset[3] += v;
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}
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void MagicLampEffect::prePaintScreen(ScreenPrePaintData& data, int time)
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{
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QHash< EffectWindow*, QTimeLine* >::iterator entry = mTimeLineWindows.begin();
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bool erase = false;
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while (entry != mTimeLineWindows.end()) {
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QTimeLine *timeline = entry.value();
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if (entry.key()->isMinimized()) {
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timeline->setCurrentTime(timeline->currentTime() + time);
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erase = (timeline->currentValue() >= 1.0f);
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} else {
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timeline->setCurrentTime(timeline->currentTime() - time);
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erase = (timeline->currentValue() <= 0.0f);
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}
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if (erase) {
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delete timeline;
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entry = mTimeLineWindows.erase(entry);
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} else
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++entry;
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}
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mActiveAnimations = mTimeLineWindows.count();
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if (mActiveAnimations > 0)
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// We need to mark the screen windows as transformed. Otherwise the
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// whole screen won't be repainted, resulting in artefacts
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data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
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effects->prePaintScreen(data, time);
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}
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void MagicLampEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
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{
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// Schedule window for transformation if the animation is still in
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// progress
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if (mTimeLineWindows.contains(w)) {
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// We'll transform this window
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data.setTransformed();
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data.quads = data.quads.makeGrid(40);
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w->enablePainting(EffectWindow::PAINT_DISABLED_BY_MINIMIZE);
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}
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effects->prePaintWindow(w, data, time);
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}
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void MagicLampEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
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{
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if (mTimeLineWindows.contains(w)) {
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// 0 = not minimized, 1 = fully minimized
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float progress = mTimeLineWindows[w]->currentValue();
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QRect geo = w->geometry();
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QRect icon = w->iconGeometry();
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IconPosition position = Top;
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// If there's no icon geometry, minimize to the center of the screen
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if (!icon.isValid()) {
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QRect extG = geo.adjusted(mShadowOffset[0], mShadowOffset[1], mShadowOffset[2], mShadowOffset[3]);
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QPoint pt = cursorPos();
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// focussing inside the window is no good, leads to ugly artefacts, find nearest border
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if (extG.contains(pt)) {
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const int d[2][2] = { {pt.x() - extG.x(), extG.right() - pt.x()},
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{pt.y() - extG.y(), extG.bottom() - pt.y()}
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};
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int di = d[1][0];
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position = Top;
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if (d[0][0] < di) {
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di = d[0][0];
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position = Left;
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}
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if (d[1][1] < di) {
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di = d[1][1];
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position = Bottom;
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}
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if (d[0][1] < di)
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position = Right;
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switch(position) {
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case Top: pt.setY(extG.y()); break;
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case Left: pt.setX(extG.x()); break;
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case Bottom: pt.setY(extG.bottom()); break;
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case Right: pt.setX(extG.right()); break;
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}
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} else {
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if (pt.y() < geo.y())
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position = Top;
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else if (pt.x() < geo.x())
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position = Left;
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else if (pt.y() > geo.bottom())
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position = Bottom;
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else if (pt.x() > geo.right())
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position = Right;
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}
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icon = QRect(pt, QSize(0, 0));
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} else {
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// Assumption: there is a panel containing the icon position
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EffectWindow* panel = NULL;
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foreach (EffectWindow * window, effects->stackingOrder()) {
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if (!window->isDock())
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continue;
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// we have to use intersects as there seems to be a Plasma bug
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// the published icon geometry might be bigger than the panel
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if (window->geometry().intersects(icon)) {
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panel = window;
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break;
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}
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}
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if (panel) {
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// Assumption: width of horizonal panel is greater than its height and vice versa
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// The panel has to border one screen edge, so get it's screen area
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QRect panelScreen = effects->clientArea(ScreenArea, panel);
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if (panel->width() >= panel->height()) {
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// horizontal panel
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if (panel->y() == panelScreen.y())
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position = Top;
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else
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position = Bottom;
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} else {
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// vertical panel
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if (panel->x() == panelScreen.x())
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position = Left;
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else
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position = Right;
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}
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} else {
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// we did not find a panel, so it might be autohidden
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QRect iconScreen = effects->clientArea(ScreenArea, icon.topLeft(), effects->currentDesktop());
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// as the icon geometry could be overlap a screen edge we use an intersection
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QRect rect = iconScreen.intersected(icon);
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// here we need a different assumption: icon geometry borders one screen edge
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// this assumption might be wrong for e.g. task applet being the only applet in panel
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// in this case the icon borders two screen edges
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// there might be a wrong animation, but not distorted
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if (rect.x() == iconScreen.x()) {
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position = Left;
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} else if (rect.x() + rect.width() == iconScreen.x() + iconScreen.width()) {
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position = Right;
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} else if (rect.y() == iconScreen.y()) {
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position = Top;
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} else {
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position = Bottom;
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}
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}
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}
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#define SANITIZE_PROGRESS if (p_progress[0] < 0)\
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p_progress[0] = -p_progress[0];\
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if (p_progress[1] < 0)\
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p_progress[1] = -p_progress[1]
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#define SET_QUADS(_SET_A_, _A_, _DA_, _SET_B_, _B_, _O0_, _O1_, _O2_, _O3_) quad[0]._SET_A_((icon._A_() + icon._DA_()*(quad[0]._A_() / geo._DA_()) - (quad[0]._A_() + geo._A_()))*p_progress[_O0_] + quad[0]._A_());\
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quad[1]._SET_A_((icon._A_() + icon._DA_()*(quad[1]._A_() / geo._DA_()) - (quad[1]._A_() + geo._A_()))*p_progress[_O1_] + quad[1]._A_());\
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quad[2]._SET_A_((icon._A_() + icon._DA_()*(quad[2]._A_() / geo._DA_()) - (quad[2]._A_() + geo._A_()))*p_progress[_O2_] + quad[2]._A_());\
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quad[3]._SET_A_((icon._A_() + icon._DA_()*(quad[3]._A_() / geo._DA_()) - (quad[3]._A_() + geo._A_()))*p_progress[_O3_] + quad[3]._A_());\
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\
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quad[0]._SET_B_(quad[0]._B_() + offset[_O0_]);\
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quad[1]._SET_B_(quad[1]._B_() + offset[_O1_]);\
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quad[2]._SET_B_(quad[2]._B_() + offset[_O2_]);\
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quad[3]._SET_B_(quad[3]._B_() + offset[_O3_])
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WindowQuadList newQuads;
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float quadFactor; // defines how fast a quad is vertically moved: y coordinates near to window top are slowed down
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// it is used as quadFactor^3/windowHeight^3
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// quadFactor is the y position of the quad but is changed towards becomming the window height
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// by that the factor becomes 1 and has no influence any more
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float offset[2] = {0,0}; // how far has a quad to be moved? Distance between icon and window multiplied by the progress and by the quadFactor
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float p_progress[2] = {0,0}; // the factor which defines how far the x values have to be changed
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// factor is the current moved y value diveded by the distance between icon and window
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WindowQuad lastQuad(WindowQuadError);
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lastQuad[0].setX(-1);
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lastQuad[0].setY(-1);
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lastQuad[1].setX(-1);
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lastQuad[1].setY(-1);
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lastQuad[2].setX(-1);
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lastQuad[2].setY(-1);
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if (position == Bottom) {
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float height_cube = float(geo.height()) * float(geo.height()) * float(geo.height());
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foreach (WindowQuad quad, data.quads) { // krazy:exclude=foreach
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if (quad[0].y() != lastQuad[0].y() || quad[2].y() != lastQuad[2].y()) {
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quadFactor = quad[0].y() + (geo.height() - quad[0].y()) * progress;
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offset[0] = (icon.y() + quad[0].y() - geo.y()) * progress * ((quadFactor * quadFactor * quadFactor) / height_cube);
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quadFactor = quad[2].y() + (geo.height() - quad[2].y()) * progress;
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offset[1] = (icon.y() + quad[2].y() - geo.y()) * progress * ((quadFactor * quadFactor * quadFactor) / height_cube);
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p_progress[1] = qMin(offset[1] / (icon.y() + icon.height() - geo.y() - float(quad[2].y())), 1.0f);
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p_progress[0] = qMin(offset[0] / (icon.y() + icon.height() - geo.y() - float(quad[0].y())), 1.0f);
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} else
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lastQuad = quad;
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SANITIZE_PROGRESS;
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// x values are moved towards the center of the icon
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SET_QUADS(setX, x, width, setY, y, 0,0,1,1);
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newQuads.append(quad);
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}
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} else if (position == Top) {
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float height_cube = float(geo.height()) * float(geo.height()) * float(geo.height());
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foreach (WindowQuad quad, data.quads) { // krazy:exclude=foreach
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if (quad[0].y() != lastQuad[0].y() || quad[2].y() != lastQuad[2].y()) {
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quadFactor = geo.height() - quad[0].y() + (quad[0].y()) * progress;
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offset[0] = (geo.y() - icon.height() + geo.height() + quad[0].y() - icon.y()) * progress * ((quadFactor * quadFactor * quadFactor) / height_cube);
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quadFactor = geo.height() - quad[2].y() + (quad[2].y()) * progress;
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offset[1] = (geo.y() - icon.height() + geo.height() + quad[2].y() - icon.y()) * progress * ((quadFactor * quadFactor * quadFactor) / height_cube);
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p_progress[0] = qMin(offset[0] / (geo.y() - icon.height() + geo.height() - icon.y() - float(geo.height() - quad[0].y())), 1.0f);
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p_progress[1] = qMin(offset[1] / (geo.y() - icon.height() + geo.height() - icon.y() - float(geo.height() - quad[2].y())), 1.0f);
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} else
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lastQuad = quad;
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offset[0] = -offset[0];
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offset[1] = -offset[1];
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SANITIZE_PROGRESS;
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// x values are moved towards the center of the icon
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SET_QUADS(setX, x, width, setY, y, 0,0,1,1);
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newQuads.append(quad);
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}
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} else if (position == Left) {
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float width_cube = float(geo.width()) * float(geo.width()) * float(geo.width());
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foreach (WindowQuad quad, data.quads) { // krazy:exclude=foreach
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if (quad[0].x() != lastQuad[0].x() || quad[1].x() != lastQuad[1].x()) {
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quadFactor = geo.width() - quad[0].x() + (quad[0].x()) * progress;
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offset[0] = (geo.x() - icon.width() + geo.width() + quad[0].x() - icon.x()) * progress * ((quadFactor * quadFactor * quadFactor) / width_cube);
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quadFactor = geo.width() - quad[1].x() + (quad[1].x()) * progress;
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offset[1] = (geo.x() - icon.width() + geo.width() + quad[1].x() - icon.x()) * progress * ((quadFactor * quadFactor * quadFactor) / width_cube);
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p_progress[0] = qMin(offset[0] / (geo.x() - icon.width() + geo.width() - icon.x() - float(geo.width() - quad[0].x())), 1.0f);
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p_progress[1] = qMin(offset[1] / (geo.x() - icon.width() + geo.width() - icon.x() - float(geo.width() - quad[1].x())), 1.0f);
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} else
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lastQuad = quad;
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offset[0] = -offset[0];
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offset[1] = -offset[1];
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SANITIZE_PROGRESS;
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// y values are moved towards the center of the icon
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SET_QUADS(setY, y, height, setX, x, 0,1,1,0);
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newQuads.append(quad);
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}
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} else if (position == Right) {
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float width_cube = float(geo.width()) * float(geo.width()) * float(geo.width());
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foreach (WindowQuad quad, data.quads) { // krazy:exclude=foreach
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if (quad[0].x() != lastQuad[0].x() || quad[1].x() != lastQuad[1].x()) {
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quadFactor = quad[0].x() + (geo.width() - quad[0].x()) * progress;
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offset[0] = (icon.x() + quad[0].x() - geo.x()) * progress * ((quadFactor * quadFactor * quadFactor) / width_cube);
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quadFactor = quad[1].x() + (geo.width() - quad[1].x()) * progress;
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offset[1] = (icon.x() + quad[1].x() - geo.x()) * progress * ((quadFactor * quadFactor * quadFactor) / width_cube);
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p_progress[0] = qMin(offset[0] / (icon.x() + icon.width() - geo.x() - float(quad[0].x())), 1.0f);
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p_progress[1] = qMin(offset[1] / (icon.x() + icon.width() - geo.x() - float(quad[1].x())), 1.0f);
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} else
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lastQuad = quad;
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SANITIZE_PROGRESS;
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// y values are moved towards the center of the icon
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SET_QUADS(setY, y, height, setX, x, 0,1,1,0);
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newQuads.append(quad);
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}
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}
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data.quads = newQuads;
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}
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// Call the next effect.
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effects->paintWindow(w, mask, region, data);
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}
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void MagicLampEffect::postPaintScreen()
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{
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if (mActiveAnimations > 0)
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// Repaint the workspace so that everything would be repainted next time
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effects->addRepaintFull();
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mActiveAnimations = mTimeLineWindows.count();
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// Call the next effect.
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effects->postPaintScreen();
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}
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void MagicLampEffect::slotWindowDeleted(EffectWindow* w)
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{
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delete mTimeLineWindows.take(w);
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}
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void MagicLampEffect::slotWindowMinimized(EffectWindow* w)
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{
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if (effects->activeFullScreenEffect())
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return;
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if (!mTimeLineWindows.contains(w)) {
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mTimeLineWindows.insert(w, new QTimeLine(mAnimationDuration, this));
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mTimeLineWindows[w]->setCurveShape(QTimeLine::LinearCurve);
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}
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mTimeLineWindows[w]->setCurrentTime(0);
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}
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void MagicLampEffect::slotWindowUnminimized(EffectWindow* w)
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{
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if (effects->activeFullScreenEffect())
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return;
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if (!mTimeLineWindows.contains(w)) {
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mTimeLineWindows.insert(w, new QTimeLine(mAnimationDuration, this));
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mTimeLineWindows[w]->setCurveShape(QTimeLine::LinearCurve);
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}
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mTimeLineWindows[w]->setCurrentTime(mAnimationDuration);
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}
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bool MagicLampEffect::isActive() const
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{
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return !mTimeLineWindows.isEmpty();
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}
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} // namespace
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