621 lines
24 KiB
C++
621 lines
24 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) 2009 Martin Gräßlin <kde@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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#include "cubeslide.h"
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#include <kwinconfig.h>
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#include <kconfiggroup.h>
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#include <math.h>
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#include <kwinglutils.h>
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namespace KWin
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{
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KWIN_EFFECT(cubeslide, CubeSlideEffect)
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KWIN_EFFECT_SUPPORTED(cubeslide, CubeSlideEffect::supported())
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CubeSlideEffect::CubeSlideEffect()
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: windowMoving(false)
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, desktopChangedWhileMoving(false)
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, progressRestriction(0.0f)
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{
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connect(effects, SIGNAL(desktopChanged(int,int)), this, SLOT(slotDesktopChanged(int,int)));
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connect(effects, SIGNAL(windowStepUserMovedResized(EffectWindow*,QRect)), this, SLOT(slotWindowStepUserMovedResized(EffectWindow*)));
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connect(effects, SIGNAL(windowFinishUserMovedResized(EffectWindow*)), this, SLOT(slotWindowFinishUserMovedResized(EffectWindow*)));
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reconfigure(ReconfigureAll);
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}
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CubeSlideEffect::~CubeSlideEffect()
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{
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}
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bool CubeSlideEffect::supported()
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{
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return effects->compositingType() == OpenGLCompositing;
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}
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void CubeSlideEffect::reconfigure(ReconfigureFlags)
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{
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KConfigGroup conf = effects->effectConfig("CubeSlide");
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rotationDuration = animationTime(conf, "RotationDuration", 500);
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timeLine.setCurveShape(QTimeLine::EaseInOutCurve);
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timeLine.setDuration(rotationDuration);
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dontSlidePanels = conf.readEntry("DontSlidePanels", true);
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dontSlideStickyWindows = conf.readEntry("DontSlideStickyWindows", false);
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usePagerLayout = conf.readEntry("UsePagerLayout", true);
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useWindowMoving = conf.readEntry("UseWindowMoving", false);
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}
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void CubeSlideEffect::prePaintScreen(ScreenPrePaintData& data, int time)
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{
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if (!slideRotations.empty()) {
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data.mask |= PAINT_SCREEN_TRANSFORMED | Effect::PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS | PAINT_SCREEN_BACKGROUND_FIRST;
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timeLine.setCurrentTime(timeLine.currentTime() + time);
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if (windowMoving && timeLine.currentTime() > progressRestriction * (qreal)timeLine.duration())
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timeLine.setCurrentTime(progressRestriction * (qreal)timeLine.duration());
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if (dontSlidePanels)
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panels.clear();
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stickyWindows.clear();
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}
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effects->prePaintScreen(data, time);
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}
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void CubeSlideEffect::paintScreen(int mask, QRegion region, ScreenPaintData& data)
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{
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if (!slideRotations.empty()) {
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#ifdef KWIN_HAVE_OPENGLES
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glEnable(GL_CULL_FACE);
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glCullFace(GL_FRONT);
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paintSlideCube(mask, region, data);
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glCullFace(GL_BACK);
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paintSlideCube(mask, region, data);
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glDisable(GL_CULL_FACE);
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#else
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glPushAttrib(GL_CURRENT_BIT | GL_ENABLE_BIT);
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glEnable(GL_CULL_FACE);
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glCullFace(GL_FRONT);
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glPushMatrix();
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paintSlideCube(mask, region, data);
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glPopMatrix();
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glCullFace(GL_BACK);
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glPushMatrix();
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paintSlideCube(mask, region, data);
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glPopMatrix();
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glDisable(GL_CULL_FACE);
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glPopAttrib();
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#endif
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if (dontSlidePanels) {
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foreach (EffectWindow * w, panels) {
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WindowPaintData wData(w);
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effects->paintWindow(w, 0, QRegion(w->x(), w->y(), w->width(), w->height()), wData);
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}
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}
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foreach (EffectWindow * w, stickyWindows) {
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WindowPaintData wData(w);
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effects->paintWindow(w, 0, QRegion(w->x(), w->y(), w->width(), w->height()), wData);
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}
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} else
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effects->paintScreen(mask, region, data);
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}
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void CubeSlideEffect::paintSlideCube(int mask, QRegion region, ScreenPaintData& data)
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{
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// slide cube only paints to desktops at a time
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// first the horizontal rotations followed by vertical rotations
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QRect rect = effects->clientArea(FullArea, effects->activeScreen(), effects->currentDesktop());
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float point = rect.width() / 2 * tan(45.0f * M_PI / 180.0f);
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cube_painting = true;
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painting_desktop = front_desktop;
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ScreenPaintData firstFaceData = data;
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ScreenPaintData secondFaceData = data;
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RotationData firstFaceRot = RotationData();
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RotationData secondFaceRot = RotationData();
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RotationDirection direction = slideRotations.head();
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int secondDesktop;
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switch(direction) {
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case Left:
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firstFaceRot.axis = RotationData::YAxis;
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secondFaceRot.axis = RotationData::YAxis;
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if (usePagerLayout)
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secondDesktop = effects->desktopToLeft(front_desktop, true);
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else {
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secondDesktop = front_desktop - 1;
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if (secondDesktop == 0)
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secondDesktop = effects->numberOfDesktops();
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}
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firstFaceRot.angle = 90.0f * timeLine.currentValue();
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secondFaceRot.angle = -90.0f * (1.0f - timeLine.currentValue());
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break;
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case Right:
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firstFaceRot.axis = RotationData::YAxis;
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secondFaceRot.axis = RotationData::YAxis;
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if (usePagerLayout)
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secondDesktop = effects->desktopToRight(front_desktop, true);
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else {
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secondDesktop = front_desktop + 1;
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if (secondDesktop > effects->numberOfDesktops())
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secondDesktop = 1;
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}
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firstFaceRot.angle = -90.0f * timeLine.currentValue();
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secondFaceRot.angle = 90.0f * (1.0f - timeLine.currentValue());
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break;
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case Upwards:
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firstFaceRot.axis = RotationData::XAxis;
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secondFaceRot.axis = RotationData::XAxis;
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secondDesktop = effects->desktopAbove(front_desktop, true);
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firstFaceRot.angle = -90.0f * timeLine.currentValue();
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secondFaceRot.angle = 90.0f * (1.0f - timeLine.currentValue());
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point = rect.height() / 2 * tan(45.0f * M_PI / 180.0f);
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break;
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case Downwards:
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firstFaceRot.axis = RotationData::XAxis;
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secondFaceRot.axis = RotationData::XAxis;
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secondDesktop = effects->desktopBelow(front_desktop, true);
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firstFaceRot.angle = 90.0f * timeLine.currentValue();
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secondFaceRot.angle = -90.0f * (1.0f - timeLine.currentValue());
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point = rect.height() / 2 * tan(45.0f * M_PI / 180.0f);
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break;
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default:
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// totally impossible
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return;
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}
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// front desktop
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firstFaceRot.xRotationPoint = rect.width() / 2;
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firstFaceRot.yRotationPoint = rect.height() / 2;
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firstFaceRot.zRotationPoint = -point;
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firstFaceData.rotation = &firstFaceRot;
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other_desktop = secondDesktop;
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firstDesktop = true;
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effects->paintScreen(mask, region, firstFaceData);
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// second desktop
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other_desktop = painting_desktop;
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painting_desktop = secondDesktop;
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firstDesktop = false;
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secondFaceRot.xRotationPoint = rect.width() / 2;
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secondFaceRot.yRotationPoint = rect.height() / 2;
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secondFaceRot.zRotationPoint = -point;
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secondFaceData.rotation = &secondFaceRot;
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effects->paintScreen(mask, region, secondFaceData);
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cube_painting = false;
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painting_desktop = effects->currentDesktop();
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}
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void CubeSlideEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
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{
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if (!slideRotations.empty() && cube_painting) {
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QRect rect = effects->clientArea(FullArea, effects->activeScreen(), painting_desktop);
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if (dontSlidePanels && w->isDock()) {
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w->setData(WindowForceBlurRole, QVariant(true));
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panels.insert(w);
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}
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if (!w->isManaged()) {
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w->setData(WindowForceBlurRole, QVariant(true));
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stickyWindows.insert(w);
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} else if (dontSlideStickyWindows && !w->isDock() &&
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!w->isDesktop() && w->isOnAllDesktops()) {
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w->setData(WindowForceBlurRole, QVariant(true));
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stickyWindows.insert(w);
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}
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if (w->isOnDesktop(painting_desktop)) {
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if (w->x() < rect.x()) {
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data.quads = data.quads.splitAtX(-w->x());
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}
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if (w->x() + w->width() > rect.x() + rect.width()) {
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data.quads = data.quads.splitAtX(rect.width() - w->x());
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}
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if (w->y() < rect.y()) {
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data.quads = data.quads.splitAtY(-w->y());
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}
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if (w->y() + w->height() > rect.y() + rect.height()) {
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data.quads = data.quads.splitAtY(rect.height() - w->y());
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}
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w->enablePainting(EffectWindow::PAINT_DISABLED_BY_DESKTOP);
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} else if (w->isOnDesktop(other_desktop)) {
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RotationDirection direction = slideRotations.head();
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bool enable = false;
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if (w->x() < rect.x() &&
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(direction == Left || direction == Right)) {
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data.quads = data.quads.splitAtX(-w->x());
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enable = true;
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}
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if (w->x() + w->width() > rect.x() + rect.width() &&
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(direction == Left || direction == Right)) {
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data.quads = data.quads.splitAtX(rect.width() - w->x());
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enable = true;
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}
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if (w->y() < rect.y() &&
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(direction == Upwards || direction == Downwards)) {
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data.quads = data.quads.splitAtY(-w->y());
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enable = true;
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}
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if (w->y() + w->height() > rect.y() + rect.height() &&
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(direction == Upwards || direction == Downwards)) {
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data.quads = data.quads.splitAtY(rect.height() - w->y());
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enable = true;
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}
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if (enable) {
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data.setTransformed();
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data.setTranslucent();
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w->enablePainting(EffectWindow::PAINT_DISABLED_BY_DESKTOP);
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} else
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w->disablePainting(EffectWindow::PAINT_DISABLED_BY_DESKTOP);
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} else
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w->disablePainting(EffectWindow::PAINT_DISABLED_BY_DESKTOP);
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}
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effects->prePaintWindow(w, data, time);
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}
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void CubeSlideEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
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{
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if (!slideRotations.empty() && cube_painting) {
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if (dontSlidePanels && w->isDock())
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return;
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if (stickyWindows.contains(w))
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return;
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// filter out quads overlapping the edges
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QRect rect = effects->clientArea(FullArea, effects->activeScreen(), painting_desktop);
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if (w->isOnDesktop(painting_desktop)) {
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if (w->x() < rect.x()) {
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WindowQuadList new_quads;
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foreach (const WindowQuad & quad, data.quads) {
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if (quad.right() > -w->x()) {
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new_quads.append(quad);
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}
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}
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data.quads = new_quads;
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}
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if (w->x() + w->width() > rect.x() + rect.width()) {
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WindowQuadList new_quads;
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foreach (const WindowQuad & quad, data.quads) {
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if (quad.right() <= rect.width() - w->x()) {
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new_quads.append(quad);
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}
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}
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data.quads = new_quads;
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}
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if (w->y() < rect.y()) {
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WindowQuadList new_quads;
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foreach (const WindowQuad & quad, data.quads) {
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if (quad.bottom() > -w->y()) {
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new_quads.append(quad);
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}
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}
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data.quads = new_quads;
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}
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if (w->y() + w->height() > rect.y() + rect.height()) {
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WindowQuadList new_quads;
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foreach (const WindowQuad & quad, data.quads) {
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if (quad.bottom() <= rect.height() - w->y()) {
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new_quads.append(quad);
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}
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}
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data.quads = new_quads;
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}
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}
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// paint windows overlapping edges from other desktop
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if (w->isOnDesktop(other_desktop) && (mask & PAINT_WINDOW_TRANSFORMED)) {
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RotationDirection direction = slideRotations.head();
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if (w->x() < rect.x() &&
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(direction == Left || direction == Right)) {
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WindowQuadList new_quads;
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data.xTranslate = rect.width();
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foreach (const WindowQuad & quad, data.quads) {
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if (quad.right() <= -w->x()) {
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new_quads.append(quad);
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}
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}
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data.quads = new_quads;
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}
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if (w->x() + w->width() > rect.x() + rect.width() &&
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(direction == Left || direction == Right)) {
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WindowQuadList new_quads;
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data.xTranslate = -rect.width();
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foreach (const WindowQuad & quad, data.quads) {
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if (quad.right() > rect.width() - w->x()) {
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new_quads.append(quad);
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}
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}
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data.quads = new_quads;
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}
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if (w->y() < rect.y() &&
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(direction == Upwards || direction == Downwards)) {
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WindowQuadList new_quads;
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data.yTranslate = rect.height();
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foreach (const WindowQuad & quad, data.quads) {
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if (quad.bottom() <= -w->y()) {
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new_quads.append(quad);
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}
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}
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data.quads = new_quads;
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}
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if (w->y() + w->height() > rect.y() + rect.height() &&
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(direction == Upwards || direction == Downwards)) {
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WindowQuadList new_quads;
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data.yTranslate = -rect.height();
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foreach (const WindowQuad & quad, data.quads) {
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if (quad.bottom() > rect.height() - w->y()) {
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new_quads.append(quad);
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}
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}
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data.quads = new_quads;
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}
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if (firstDesktop)
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data.opacity *= timeLine.currentValue();
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else
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data.opacity *= (1.0 - timeLine.currentValue());
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}
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}
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effects->paintWindow(w, mask, region, data);
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}
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void CubeSlideEffect::postPaintScreen()
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{
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effects->postPaintScreen();
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if (!slideRotations.empty()) {
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if (timeLine.currentValue() == 1.0) {
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RotationDirection direction = slideRotations.dequeue();
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switch(direction) {
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case Left:
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if (usePagerLayout)
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front_desktop = effects->desktopToLeft(front_desktop, true);
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else {
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front_desktop--;
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if (front_desktop == 0)
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front_desktop = effects->numberOfDesktops();
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}
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break;
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case Right:
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if (usePagerLayout)
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front_desktop = effects->desktopToRight(front_desktop, true);
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else {
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front_desktop++;
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if (front_desktop > effects->numberOfDesktops())
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front_desktop = 1;
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}
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break;
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case Upwards:
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front_desktop = effects->desktopAbove(front_desktop, true);
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break;
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case Downwards:
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front_desktop = effects->desktopBelow(front_desktop, true);
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break;
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}
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timeLine.setCurrentTime(0);
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if (slideRotations.count() == 1)
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timeLine.setCurveShape(QTimeLine::EaseOutCurve);
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else
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timeLine.setCurveShape(QTimeLine::LinearCurve);
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if (slideRotations.empty()) {
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foreach (EffectWindow * w, panels)
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w->setData(WindowForceBlurRole, QVariant(false));
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foreach (EffectWindow * w, stickyWindows)
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w->setData(WindowForceBlurRole, QVariant(false));
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stickyWindows.clear();
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panels.clear();
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effects->setActiveFullScreenEffect(0);
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}
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}
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effects->addRepaintFull();
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}
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}
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void CubeSlideEffect::slotDesktopChanged(int old, int current)
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{
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if (effects->activeFullScreenEffect() && effects->activeFullScreenEffect() != this)
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return;
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if (old > effects->numberOfDesktops()) {
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// number of desktops has been reduced -> no animation
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return;
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}
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if (windowMoving) {
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desktopChangedWhileMoving = true;
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progressRestriction = 1.0 - progressRestriction;
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effects->addRepaintFull();
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return;
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}
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bool activate = true;
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if (!slideRotations.empty()) {
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// last slide still in progress
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activate = false;
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RotationDirection direction = slideRotations.dequeue();
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slideRotations.clear();
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slideRotations.enqueue(direction);
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switch(direction) {
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case Left:
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if (usePagerLayout)
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old = effects->desktopToLeft(front_desktop, true);
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else {
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old = front_desktop - 1;
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if (old == 0)
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old = effects->numberOfDesktops();
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}
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break;
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case Right:
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if (usePagerLayout)
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old = effects->desktopToRight(front_desktop, true);
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else {
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old = front_desktop + 1;
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if (old > effects->numberOfDesktops())
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old = 1;
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}
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break;
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case Upwards:
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old = effects->desktopAbove(front_desktop, true);
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break;
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case Downwards:
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old = effects->desktopBelow(front_desktop, true);
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break;
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}
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}
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if (usePagerLayout) {
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// calculate distance in respect to pager
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QPoint diff = effects->desktopGridCoords(effects->currentDesktop()) - effects->desktopGridCoords(old);
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if (qAbs(diff.x()) > effects->desktopGridWidth() / 2) {
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int sign = -1 * (diff.x() / qAbs(diff.x()));
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diff.setX(sign *(effects->desktopGridWidth() - qAbs(diff.x())));
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}
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if (diff.x() > 0) {
|
|
for (int i = 0; i < diff.x(); i++) {
|
|
slideRotations.enqueue(Right);
|
|
}
|
|
} else if (diff.x() < 0) {
|
|
diff.setX(-diff.x());
|
|
for (int i = 0; i < diff.x(); i++) {
|
|
slideRotations.enqueue(Left);
|
|
}
|
|
}
|
|
if (qAbs(diff.y()) > effects->desktopGridHeight() / 2) {
|
|
int sign = -1 * (diff.y() / qAbs(diff.y()));
|
|
diff.setY(sign *(effects->desktopGridHeight() - qAbs(diff.y())));
|
|
}
|
|
if (diff.y() > 0) {
|
|
for (int i = 0; i < diff.y(); i++) {
|
|
slideRotations.enqueue(Downwards);
|
|
}
|
|
}
|
|
if (diff.y() < 0) {
|
|
diff.setY(-diff.y());
|
|
for (int i = 0; i < diff.y(); i++) {
|
|
slideRotations.enqueue(Upwards);
|
|
}
|
|
}
|
|
} else {
|
|
// ignore pager layout
|
|
int left = old - current;
|
|
if (left < 0)
|
|
left = effects->numberOfDesktops() + left;
|
|
int right = current - old;
|
|
if (right < 0)
|
|
right = effects->numberOfDesktops() + right;
|
|
if (left < right) {
|
|
for (int i = 0; i < left; i++) {
|
|
slideRotations.enqueue(Left);
|
|
}
|
|
} else {
|
|
for (int i = 0; i < right; i++) {
|
|
slideRotations.enqueue(Right);
|
|
}
|
|
}
|
|
}
|
|
timeLine.setDuration((float)rotationDuration / (float)slideRotations.count());
|
|
if (activate) {
|
|
if (slideRotations.count() == 1)
|
|
timeLine.setCurveShape(QTimeLine::EaseInOutCurve);
|
|
else
|
|
timeLine.setCurveShape(QTimeLine::EaseInCurve);
|
|
effects->setActiveFullScreenEffect(this);
|
|
timeLine.setCurrentTime(0);
|
|
front_desktop = old;
|
|
effects->addRepaintFull();
|
|
}
|
|
}
|
|
|
|
void CubeSlideEffect::slotWindowStepUserMovedResized(EffectWindow* w)
|
|
{
|
|
if (!useWindowMoving)
|
|
return;
|
|
if (w->isUserResize())
|
|
return;
|
|
const QPoint cursor = effects->cursorPos();
|
|
const int horizontal = displayWidth() * 0.1;
|
|
const int vertical = displayHeight() * 0.1;
|
|
const QRect leftRect(0, displayHeight() * 0.1, horizontal, displayHeight() * 0.8);
|
|
const QRect rightRect(displayWidth() - horizontal, displayHeight() * 0.1, horizontal, displayHeight() * 0.8);
|
|
const QRect topRect(horizontal, 0, displayWidth() * 0.8, vertical);
|
|
const QRect bottomRect(horizontal, displayHeight() - vertical, displayWidth() - horizontal * 2, vertical);
|
|
if (leftRect.contains(cursor)) {
|
|
if (effects->desktopToLeft(effects->currentDesktop()) != effects->currentDesktop())
|
|
windowMovingChanged(0.3 *(float)(horizontal - cursor.x()) / (float)horizontal, Left);
|
|
} else if (rightRect.contains(cursor)) {
|
|
if (effects->desktopToRight(effects->currentDesktop()) != effects->currentDesktop())
|
|
windowMovingChanged(0.3 *(float)(cursor.x() - displayWidth() + horizontal) / (float)horizontal, Right);
|
|
} else if (topRect.contains(cursor)) {
|
|
if (effects->desktopAbove(effects->currentDesktop()) != effects->currentDesktop())
|
|
windowMovingChanged(0.3 *(float)(vertical - cursor.y()) / (float)vertical, Upwards);
|
|
} else if (bottomRect.contains(cursor)) {
|
|
if (effects->desktopBelow(effects->currentDesktop()) != effects->currentDesktop())
|
|
windowMovingChanged(0.3 *(float)(cursor.y() - displayHeight() + vertical) / (float)vertical, Downwards);
|
|
} else {
|
|
// not in one of the areas
|
|
windowMoving = false;
|
|
desktopChangedWhileMoving = false;
|
|
timeLine.setCurrentTime(0);
|
|
if (!slideRotations.isEmpty())
|
|
slideRotations.clear();
|
|
effects->setActiveFullScreenEffect(0);
|
|
effects->addRepaintFull();
|
|
}
|
|
}
|
|
|
|
void CubeSlideEffect::slotWindowFinishUserMovedResized(EffectWindow* w)
|
|
{
|
|
if (!useWindowMoving)
|
|
return;
|
|
if (w->isUserResize())
|
|
return;
|
|
if (!desktopChangedWhileMoving) {
|
|
if (slideRotations.isEmpty())
|
|
return;
|
|
const RotationDirection direction = slideRotations.dequeue();
|
|
switch(direction) {
|
|
case Left:
|
|
slideRotations.enqueue(Right);
|
|
break;
|
|
case Right:
|
|
slideRotations.enqueue(Left);
|
|
break;
|
|
case Upwards:
|
|
slideRotations.enqueue(Downwards);
|
|
break;
|
|
case Downwards:
|
|
slideRotations.enqueue(Upwards);
|
|
break;
|
|
default:
|
|
break; // impossible
|
|
}
|
|
timeLine.setCurrentTime(timeLine.duration() - timeLine.currentTime());
|
|
}
|
|
desktopChangedWhileMoving = false;
|
|
windowMoving = false;
|
|
effects->addRepaintFull();
|
|
}
|
|
|
|
void CubeSlideEffect::windowMovingChanged(float progress, RotationDirection direction)
|
|
{
|
|
if (desktopChangedWhileMoving)
|
|
progressRestriction = 1.0 - progress;
|
|
else
|
|
progressRestriction = progress;
|
|
front_desktop = effects->currentDesktop();
|
|
if (slideRotations.isEmpty()) {
|
|
slideRotations.enqueue(direction);
|
|
timeLine.setCurveShape(QTimeLine::EaseInOutCurve);
|
|
windowMoving = true;
|
|
effects->setActiveFullScreenEffect(this);
|
|
}
|
|
effects->addRepaintFull();
|
|
}
|
|
|
|
} // namespace
|