/******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2007 Lubos Lunak Copyright (C) 2008 Lucas Murray Copyright (C) 2009 Martin Gräßlin 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 "desktopgrid.h" // KConfigSkeleton #include "desktopgridconfig.h" #include "../presentwindows/presentwindows_proxy.h" #include "../effect_builtins.h" #include #include #include #include #include #include #include #include #include #include #include #include #include namespace KWin { // WARNING, TODO: This effect relies on the desktop layout being EWMH-compliant. DesktopGridEffect::DesktopGridEffect() : activated(false) , timeline() , keyboardGrab(false) , wasWindowMove(false) , wasDesktopMove(false) , isValidMove(false) , windowMove(NULL) , windowMoveDiff() , gridSize() , orientation(Qt::Horizontal) , activeCell(1, 1) , scale() , unscaledBorder() , scaledSize() , scaledOffset() , m_proxy(0) , m_activateAction(new QAction(this)) { initConfig(); // Load shortcuts QAction* a = m_activateAction; a->setObjectName(QStringLiteral("ShowDesktopGrid")); a->setText(i18n("Show Desktop Grid")); KGlobalAccel::self()->setDefaultShortcut(a, QList() << Qt::CTRL + Qt::Key_F8); KGlobalAccel::self()->setShortcut(a, QList() << Qt::CTRL + Qt::Key_F8); shortcut = KGlobalAccel::self()->shortcut(a); effects->registerGlobalShortcut(Qt::CTRL + Qt::Key_F8, a); effects->registerTouchpadSwipeShortcut(SwipeDirection::Up, a); connect(a, SIGNAL(triggered(bool)), this, SLOT(toggle())); connect(KGlobalAccel::self(), &KGlobalAccel::globalShortcutChanged, this, &DesktopGridEffect::globalShortcutChanged); connect(effects, SIGNAL(windowAdded(KWin::EffectWindow*)), this, SLOT(slotWindowAdded(KWin::EffectWindow*))); connect(effects, SIGNAL(windowClosed(KWin::EffectWindow*)), this, SLOT(slotWindowClosed(KWin::EffectWindow*))); connect(effects, SIGNAL(windowDeleted(KWin::EffectWindow*)), this, SLOT(slotWindowDeleted(KWin::EffectWindow*))); connect(effects, SIGNAL(numberDesktopsChanged(uint)), this, SLOT(slotNumberDesktopsChanged(uint))); connect(effects, SIGNAL(windowGeometryShapeChanged(KWin::EffectWindow*,QRect)), this, SLOT(slotWindowGeometryShapeChanged(KWin::EffectWindow*,QRect))); connect(effects, &EffectsHandler::numberScreensChanged, this, &DesktopGridEffect::setup); // Load all other configuration details reconfigure(ReconfigureAll); } DesktopGridEffect::~DesktopGridEffect() { foreach (DesktopButtonsView *view, m_desktopButtonsViews) view->deleteLater(); m_desktopButtonsViews.clear(); } void DesktopGridEffect::reconfigure(ReconfigureFlags) { DesktopGridConfig::self()->read(); foreach (ElectricBorder border, borderActivate) { effects->unreserveElectricBorder(border, this); } borderActivate.clear(); foreach (int i, DesktopGridConfig::borderActivate()) { borderActivate.append(ElectricBorder(i)); effects->reserveElectricBorder(ElectricBorder(i), this); } // TODO: rename zoomDuration to duration zoomDuration = animationTime(DesktopGridConfig::zoomDuration() != 0 ? DesktopGridConfig::zoomDuration() : 300); timeline.setCurveShape(QTimeLine::EaseInOutCurve); timeline.setDuration(zoomDuration); border = DesktopGridConfig::borderWidth(); desktopNameAlignment = Qt::Alignment(DesktopGridConfig::desktopNameAlignment()); layoutMode = DesktopGridConfig::layoutMode(); customLayoutRows = DesktopGridConfig::customLayoutRows(); m_usePresentWindows = DesktopGridConfig::presentWindows(); // deactivate and activate all touch border const QVector relevantBorders{ElectricLeft, ElectricTop, ElectricRight, ElectricBottom}; for (auto e : relevantBorders) { effects->unregisterTouchBorder(e, m_activateAction); } const auto touchBorders = DesktopGridConfig::touchBorderActivate(); for (int i : touchBorders) { if (!relevantBorders.contains(ElectricBorder(i))) { continue; } effects->registerTouchBorder(ElectricBorder(i), m_activateAction); } } //----------------------------------------------------------------------------- // Screen painting void DesktopGridEffect::prePaintScreen(ScreenPrePaintData& data, int time) { if (timeline.currentValue() != 0 || activated || (isUsingPresentWindows() && isMotionManagerMovingWindows())) { if (activated) timeline.setCurrentTime(timeline.currentTime() + time); else timeline.setCurrentTime(timeline.currentTime() - time); for (int i = 0; i < effects->numberOfDesktops(); i++) { if (i == highlightedDesktop - 1) hoverTimeline[i]->setCurrentTime(hoverTimeline[i]->currentTime() + time); else hoverTimeline[i]->setCurrentTime(hoverTimeline[i]->currentTime() - time); } if (isUsingPresentWindows()) { QList::iterator i; for (i = m_managers.begin(); i != m_managers.end(); ++i) (*i).calculate(time); } // PAINT_SCREEN_BACKGROUND_FIRST is needed because screen will be actually painted more than once, // so with normal screen painting second screen paint would erase parts of the first paint if (timeline.currentValue() != 0 || (isUsingPresentWindows() && isMotionManagerMovingWindows())) data.mask |= PAINT_SCREEN_TRANSFORMED | PAINT_SCREEN_BACKGROUND_FIRST; if (!activated && timeline.currentValue() == 0 && !(isUsingPresentWindows() && isMotionManagerMovingWindows())) finish(); } effects->prePaintScreen(data, time); } void DesktopGridEffect::paintScreen(int mask, QRegion region, ScreenPaintData& data) { if (timeline.currentValue() == 0 && !isUsingPresentWindows()) { effects->paintScreen(mask, region, data); return; } for (int desktop = 1; desktop <= effects->numberOfDesktops(); desktop++) { ScreenPaintData d = data; paintingDesktop = desktop; effects->paintScreen(mask, region, d); } // paint the add desktop button foreach (DesktopButtonsView *view, m_desktopButtonsViews) { if (!view->effectWindow) { EffectWindow *viewWindow = effects->findWindow(view->winId()); if (viewWindow) { viewWindow->setData(WindowForceBlurRole, QVariant(true)); view->effectWindow = viewWindow; } } if (view->effectWindow) { WindowPaintData d(view->effectWindow); d.multiplyOpacity(timeline.currentValue()); effects->drawWindow(view->effectWindow, PAINT_WINDOW_TRANSLUCENT, infiniteRegion(), d); } } if (isUsingPresentWindows() && windowMove && wasWindowMove) { // the moving window has to be painted on top of all desktops QPoint diff = cursorPos() - m_windowMoveStartPoint; QRect geo = m_windowMoveGeometry.translated(diff); WindowPaintData d(windowMove); d *= QVector2D((qreal)geo.width() / (qreal)windowMove->width(), (qreal)geo.height() / (qreal)windowMove->height()); d += QPoint(geo.left() - windowMove->x(), geo.top() - windowMove->y()); effects->drawWindow(windowMove, PAINT_WINDOW_TRANSFORMED | PAINT_WINDOW_LANCZOS, infiniteRegion(), d); } if (desktopNameAlignment) { for (int screen = 0; screen < effects->numScreens(); screen++) { QRect screenGeom = effects->clientArea(ScreenArea, screen, 0); int desktop = 1; foreach (EffectFrame * frame, desktopNames) { QPointF posTL(scalePos(screenGeom.topLeft(), desktop, screen)); QPointF posBR(scalePos(screenGeom.bottomRight(), desktop, screen)); QRect textArea(posTL.x(), posTL.y(), posBR.x() - posTL.x(), posBR.y() - posTL.y()); textArea.adjust(textArea.width() / 10, textArea.height() / 10, -textArea.width() / 10, -textArea.height() / 10); int x, y; if (desktopNameAlignment & Qt::AlignLeft) x = textArea.x(); else if (desktopNameAlignment & Qt::AlignRight) x = textArea.right(); else x = textArea.center().x(); if (desktopNameAlignment & Qt::AlignTop) y = textArea.y(); else if (desktopNameAlignment & Qt::AlignBottom) y = textArea.bottom(); else y = textArea.center().y(); frame->setPosition(QPoint(x, y)); frame->render(region, timeline.currentValue(), 0.7); ++desktop; } } } } void DesktopGridEffect::postPaintScreen() { if (activated ? timeline.currentValue() != 1 : timeline.currentValue() != 0) effects->addRepaintFull(); // Repaint during zoom if (isUsingPresentWindows() && isMotionManagerMovingWindows()) effects->addRepaintFull(); if (activated) { for (int i = 0; i < effects->numberOfDesktops(); i++) { if (hoverTimeline[i]->currentValue() != 0.0 && hoverTimeline[i]->currentValue() != 1.0) { // Repaint during soft highlighting effects->addRepaintFull(); break; } } } effects->postPaintScreen(); } //----------------------------------------------------------------------------- // Window painting void DesktopGridEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time) { if (timeline.currentValue() != 0 || (isUsingPresentWindows() && isMotionManagerMovingWindows())) { if (w->isOnDesktop(paintingDesktop)) { w->enablePainting(EffectWindow::PAINT_DISABLED_BY_DESKTOP); if (w->isMinimized() && isUsingPresentWindows()) w->enablePainting(EffectWindow::PAINT_DISABLED_BY_MINIMIZE); data.mask |= PAINT_WINDOW_TRANSFORMED; // Split windows at screen edges for (int screen = 0; screen < effects->numScreens(); screen++) { QRect screenGeom = effects->clientArea(ScreenArea, screen, 0); if (w->x() < screenGeom.x()) data.quads = data.quads.splitAtX(screenGeom.x() - w->x()); if (w->x() + w->width() > screenGeom.x() + screenGeom.width()) data.quads = data.quads.splitAtX(screenGeom.x() + screenGeom.width() - w->x()); if (w->y() < screenGeom.y()) data.quads = data.quads.splitAtY(screenGeom.y() - w->y()); if (w->y() + w->height() > screenGeom.y() + screenGeom.height()) data.quads = data.quads.splitAtY(screenGeom.y() + screenGeom.height() - w->y()); } if (windowMove && wasWindowMove && windowMove->findModal() == w) w->disablePainting(EffectWindow::PAINT_DISABLED_BY_DESKTOP); } else w->disablePainting(EffectWindow::PAINT_DISABLED_BY_DESKTOP); } effects->prePaintWindow(w, data, time); } void DesktopGridEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data) { if (timeline.currentValue() != 0 || (isUsingPresentWindows() && isMotionManagerMovingWindows())) { if (isUsingPresentWindows() && w == windowMove && wasWindowMove) { return; // will be painted on top of all other windows } foreach (DesktopButtonsView *view, m_desktopButtonsViews) { if (view->effectWindow == w) { if (!activated && timeline.currentValue() < 0.05) { view->hide(); } return; // will be painted on top of all other windows } } qreal xScale = data.xScale(); qreal yScale = data.yScale(); data.multiplyBrightness(1.0 - (0.3 * (1.0 - hoverTimeline[paintingDesktop - 1]->currentValue()))); for (int screen = 0; screen < effects->numScreens(); screen++) { QRect screenGeom = effects->clientArea(ScreenArea, screen, 0); QRectF transformedGeo = w->geometry(); // Display all quads on the same screen on the same pass WindowQuadList screenQuads; bool quadsAdded = false; if (isUsingPresentWindows()) { WindowMotionManager& manager = m_managers[(paintingDesktop-1)*(effects->numScreens())+screen ]; if (manager.isManaging(w)) { foreach (const WindowQuad & quad, data.quads) screenQuads.append(quad); transformedGeo = manager.transformedGeometry(w); quadsAdded = true; if (!manager.areWindowsMoving() && timeline.currentValue() == 1.0) mask |= PAINT_WINDOW_LANCZOS; } else if (w->screen() != screen) quadsAdded = true; // we don't want parts of overlapping windows on the other screen if (w->isDesktop()) quadsAdded = false; } if (!quadsAdded) { foreach (const WindowQuad & quad, data.quads) { QRect quadRect( w->x() + quad.left(), w->y() + quad.top(), quad.right() - quad.left(), quad.bottom() - quad.top() ); if (quadRect.intersects(screenGeom)) screenQuads.append(quad); } } if (screenQuads.isEmpty()) continue; // Nothing is being displayed, don't bother WindowPaintData d = data; d.quads = screenQuads; QPointF newPos = scalePos(transformedGeo.topLeft().toPoint(), paintingDesktop, screen); double progress = timeline.currentValue(); d.setXScale(interpolate(1, xScale * scale[screen] * (float)transformedGeo.width() / (float)w->geometry().width(), progress)); d.setYScale(interpolate(1, yScale * scale[screen] * (float)transformedGeo.height() / (float)w->geometry().height(), progress)); d += QPoint(qRound(newPos.x() - w->x()), qRound(newPos.y() - w->y())); if (isUsingPresentWindows() && (w->isDock() || w->isSkipSwitcher())) { // fade out panels if present windows is used d.multiplyOpacity((1.0 - timeline.currentValue())); } if (isUsingPresentWindows() && w->isMinimized()) { d.multiplyOpacity(timeline.currentValue()); } if (effects->compositingType() == XRenderCompositing) { // More exact clipping as XRender displays the entire window instead of just the quad QPointF screenPosF = scalePos(screenGeom.topLeft(), paintingDesktop).toPoint(); QPoint screenPos( qRound(screenPosF.x()), qRound(screenPosF.y()) ); QSize screenSize( qRound(interpolate(screenGeom.width(), scaledSize[screen].width(), progress)), qRound(interpolate(screenGeom.height(), scaledSize[screen].height(), progress)) ); PaintClipper pc(effects->clientArea(ScreenArea, screen, 0) & QRect(screenPos, screenSize)); effects->paintWindow(w, mask, region, d); } else { if (w->isDesktop() && timeline.currentValue() == 1.0) { // desktop windows are not in a motion manager and can always be rendered with // lanczos sampling except for animations mask |= PAINT_WINDOW_LANCZOS; } effects->paintWindow(w, mask, effects->clientArea(ScreenArea, screen, 0), d); } } } else effects->paintWindow(w, mask, region, data); } //----------------------------------------------------------------------------- // User interaction void DesktopGridEffect::slotWindowAdded(EffectWindow* w) { if (!activated) return; if (isUsingPresentWindows()) { if (!isRelevantWithPresentWindows(w)) return; // don't add foreach (const int i, desktopList(w)) { WindowMotionManager& manager = m_managers[ i*effects->numScreens()+w->screen()]; manager.manage(w); m_proxy->calculateWindowTransformations(manager.managedWindows(), w->screen(), manager); } } effects->addRepaintFull(); } void DesktopGridEffect::slotWindowClosed(EffectWindow* w) { if (!activated && timeline.currentValue() == 0) return; if (w == windowMove) { effects->setElevatedWindow(windowMove, false); windowMove = NULL; } if (isUsingPresentWindows()) { foreach (const int i, desktopList(w)) { WindowMotionManager& manager = m_managers[i*effects->numScreens()+w->screen()]; manager.unmanage(w); m_proxy->calculateWindowTransformations(manager.managedWindows(), w->screen(), manager); } } effects->addRepaintFull(); } void DesktopGridEffect::slotWindowDeleted(EffectWindow* w) { if (w == windowMove) windowMove = 0; foreach (DesktopButtonsView *view, m_desktopButtonsViews) { if (view->effectWindow && view->effectWindow == w) { view->effectWindow = nullptr; break; } } if (isUsingPresentWindows()) { for (QList::iterator it = m_managers.begin(), end = m_managers.end(); it != end; ++it) { it->unmanage(w); } } } void DesktopGridEffect::slotWindowGeometryShapeChanged(EffectWindow* w, const QRect& old) { Q_UNUSED(old) if (!activated) return; if (w == windowMove && wasWindowMove) return; if (isUsingPresentWindows()) { foreach (const int i, desktopList(w)) { WindowMotionManager& manager = m_managers[i*effects->numScreens()+w->screen()]; m_proxy->calculateWindowTransformations(manager.managedWindows(), w->screen(), manager); } } } void DesktopGridEffect::windowInputMouseEvent(QEvent* e) { if ((e->type() != QEvent::MouseMove && e->type() != QEvent::MouseButtonPress && e->type() != QEvent::MouseButtonRelease) || timeline.currentValue() != 1) // Block user input during animations return; QMouseEvent* me = static_cast< QMouseEvent* >(e); if (!(wasWindowMove || wasDesktopMove)) { foreach (DesktopButtonsView *view, m_desktopButtonsViews) { if (view->geometry().contains(me->pos())) { const QPoint widgetPos = view->mapFromGlobal(me->pos()); QMouseEvent event(me->type(), widgetPos, me->pos(), me->button(), me->buttons(), me->modifiers()); view->windowInputMouseEvent(&event); return; } } } if (e->type() == QEvent::MouseMove) { int d = posToDesktop(me->pos()); if (windowMove != NULL && (me->pos() - dragStartPos).manhattanLength() > QApplication::startDragDistance()) { // Handle window moving if (!wasWindowMove) { // Activate on move if (isUsingPresentWindows()) { foreach (const int i, desktopList(windowMove)) { const int sourceDesktop = windowMove->isOnAllDesktops() ? d : windowMove->desktop(); WindowMotionManager& manager = m_managers[(i)*(effects->numScreens()) + windowMove->screen()]; if ((i + 1) == sourceDesktop) { const QRectF transformedGeo = manager.transformedGeometry(windowMove); const QPointF pos = scalePos(transformedGeo.topLeft().toPoint(), sourceDesktop, windowMove->screen()); const QSize size(scale[windowMove->screen()] *(float)transformedGeo.width(), scale[windowMove->screen()] *(float)transformedGeo.height()); m_windowMoveGeometry = QRect(pos.toPoint(), size); m_windowMoveStartPoint = me->pos(); } manager.unmanage(windowMove); if (EffectWindow* modal = windowMove->findModal()) { if (manager.isManaging(modal)) manager.unmanage(modal); } m_proxy->calculateWindowTransformations(manager.managedWindows(), windowMove->screen(), manager); } wasWindowMove = true; } } if (windowMove->isMovable() && !isUsingPresentWindows()) { wasWindowMove = true; int screen = effects->screenNumber(me->pos()); effects->moveWindow(windowMove, unscalePos(me->pos(), NULL) + windowMoveDiff, true, 1.0 / scale[screen]); } if (wasWindowMove) { effects->defineCursor(Qt::ClosedHandCursor); if (d != highlightedDesktop) { effects->windowToDesktop(windowMove, d); // Not true all desktop move const int screen = effects->screenNumber(me->pos()); if (screen != windowMove->screen()) effects->windowToScreen(windowMove, screen); } effects->addRepaintFull(); } } else if ((me->buttons() & Qt::LeftButton) && !wasDesktopMove && (me->pos() - dragStartPos).manhattanLength() > QApplication::startDragDistance()) { wasDesktopMove = true; effects->defineCursor(Qt::ClosedHandCursor); } if (d != highlightedDesktop) { // Highlight desktop if ((me->buttons() & Qt::LeftButton) && isValidMove && !wasWindowMove && d <= effects->numberOfDesktops()) { EffectWindowList windows = effects->stackingOrder(); EffectWindowList stack[3]; for (EffectWindowList::const_iterator it = windows.constBegin(), end = windows.constEnd(); it != end; ++it) { EffectWindow *w = const_cast(*it); // we're not really touching it here but below if (w->isOnAllDesktops()) continue; if (w->isOnDesktop(highlightedDesktop)) stack[0] << w; if (w->isOnDesktop(d)) stack[1] << w; if (w->isOnDesktop(m_originalMovingDesktop)) stack[2] << w; } const int desks[4] = {highlightedDesktop, d, m_originalMovingDesktop, highlightedDesktop}; for (int i = 0; i < 3; ++i ) { if (desks[i] == desks[i+1]) continue; foreach (EffectWindow *w, stack[i]) { effects->windowToDesktop(w, desks[i+1]); if (isUsingPresentWindows()) { m_managers[(desks[i]-1)*(effects->numScreens()) + w->screen()].unmanage(w); m_managers[(desks[i+1]-1)*(effects->numScreens()) + w->screen()].manage(w); } } } if (isUsingPresentWindows()) { for (int i = 0; i < effects->numScreens(); i++) { for (int j = 0; j < 3; ++j) { WindowMotionManager& manager = m_managers[(desks[j]-1)*(effects->numScreens()) + i ]; m_proxy->calculateWindowTransformations(manager.managedWindows(), i, manager); } } effects->addRepaintFull(); } } setHighlightedDesktop(d); } } if (e->type() == QEvent::MouseButtonPress) { if (me->buttons() == Qt::LeftButton) { isValidMove = true; dragStartPos = me->pos(); bool isDesktop = (me->modifiers() & Qt::ControlModifier); EffectWindow* w = isDesktop ? NULL : windowAt(me->pos()); if (w != NULL) isDesktop = w->isDesktop(); if (isDesktop) m_originalMovingDesktop = posToDesktop(me->pos()); if (w != NULL && !w->isDesktop() && (w->isMovable() || w->isMovableAcrossScreens() || isUsingPresentWindows())) { // Prepare it for moving windowMoveDiff = w->pos() - unscalePos(me->pos(), NULL); windowMove = w; effects->setElevatedWindow(windowMove, true); } } else if ((me->buttons() == Qt::MidButton || me->buttons() == Qt::RightButton) && windowMove == NULL) { EffectWindow* w = windowAt(me->pos()); if (w && w->isDesktop()) { w = nullptr; } if (w != NULL) { int desktop = 0; if (w->isOnAllDesktops()) { desktop = posToDesktop(me->pos()); effects->windowToDesktop(w, desktop); } else { desktop = w->desktop(); effects->windowToDesktop(w, NET::OnAllDesktops); } const bool isOnAllDesktops = w->isOnAllDesktops(); if (isUsingPresentWindows()) { for (int i = 0; i < effects->numberOfDesktops(); i++) { if (i != desktop - 1) { WindowMotionManager& manager = m_managers[ i*effects->numScreens() + w->screen()]; if (isOnAllDesktops) manager.manage(w); else manager.unmanage(w); m_proxy->calculateWindowTransformations(manager.managedWindows(), w->screen(), manager); } } } effects->addRepaintFull(); } } } if (e->type() == QEvent::MouseButtonRelease && me->button() == Qt::LeftButton) { isValidMove = false; if (windowMove) effects->activateWindow(windowMove); if (wasWindowMove || wasDesktopMove) { // reset pointer effects->defineCursor(Qt::PointingHandCursor); } else { // click -> exit const int desk = posToDesktop(me->pos()); if (desk > effects->numberOfDesktops()) return; // don't quit when missing desktop setCurrentDesktop(desk); setActive(false); } if (windowMove) { if (wasWindowMove && isUsingPresentWindows()) { const int targetDesktop = windowMove->isOnAllDesktops() ? posToDesktop(cursorPos()) : windowMove->desktop(); foreach (const int i, desktopList(windowMove)) { WindowMotionManager& manager = m_managers[(i)*(effects->numScreens()) + windowMove->screen()]; manager.manage(windowMove); if (EffectWindow* modal = windowMove->findModal()) manager.manage(modal); if (i + 1 == targetDesktop) { // for the desktop the window is dropped on, we use the current geometry manager.setTransformedGeometry(windowMove, moveGeometryToDesktop(targetDesktop)); } m_proxy->calculateWindowTransformations(manager.managedWindows(), windowMove->screen(), manager); } effects->addRepaintFull(); } effects->setElevatedWindow(windowMove, false); windowMove = NULL; } wasWindowMove = false; wasDesktopMove = false; } } void DesktopGridEffect::grabbedKeyboardEvent(QKeyEvent* e) { if (timeline.currentValue() != 1) // Block user input during animations return; if (windowMove != NULL) return; if (e->type() == QEvent::KeyPress) { // check for global shortcuts // HACK: keyboard grab disables the global shortcuts so we have to check for global shortcut (bug 156155) if (shortcut.contains(e->key() + e->modifiers())) { toggle(); return; } int desktop = -1; // switch by F or just if (e->key() >= Qt::Key_F1 && e->key() <= Qt::Key_F35) desktop = e->key() - Qt::Key_F1 + 1; else if (e->key() >= Qt::Key_0 && e->key() <= Qt::Key_9) desktop = e->key() == Qt::Key_0 ? 10 : e->key() - Qt::Key_0; if (desktop != -1) { if (desktop <= effects->numberOfDesktops()) { setHighlightedDesktop(desktop); setCurrentDesktop(desktop); setActive(false); } return; } switch(e->key()) { // Wrap only on autorepeat case Qt::Key_Left: setHighlightedDesktop(desktopToLeft(highlightedDesktop, !e->isAutoRepeat())); break; case Qt::Key_Right: setHighlightedDesktop(desktopToRight(highlightedDesktop, !e->isAutoRepeat())); break; case Qt::Key_Up: setHighlightedDesktop(desktopUp(highlightedDesktop, !e->isAutoRepeat())); break; case Qt::Key_Down: setHighlightedDesktop(desktopDown(highlightedDesktop, !e->isAutoRepeat())); break; case Qt::Key_Escape: setActive(false); return; case Qt::Key_Enter: case Qt::Key_Return: case Qt::Key_Space: setCurrentDesktop(highlightedDesktop); setActive(false); return; case Qt::Key_Plus: slotAddDesktop(); break; case Qt::Key_Minus: slotRemoveDesktop(); break; default: break; } } } bool DesktopGridEffect::borderActivated(ElectricBorder border) { if (!borderActivate.contains(border)) return false; if (effects->activeFullScreenEffect() && effects->activeFullScreenEffect() != this) return true; toggle(); return true; } //----------------------------------------------------------------------------- // Helper functions // Transform a point to its position on the scaled grid QPointF DesktopGridEffect::scalePos(const QPoint& pos, int desktop, int screen) const { if (screen == -1) screen = effects->screenNumber(pos); QRect screenGeom = effects->clientArea(ScreenArea, screen, 0); QPoint desktopCell; if (orientation == Qt::Horizontal) { desktopCell.setX((desktop - 1) % gridSize.width() + 1); desktopCell.setY((desktop - 1) / gridSize.width() + 1); } else { desktopCell.setX((desktop - 1) / gridSize.height() + 1); desktopCell.setY((desktop - 1) % gridSize.height() + 1); } double progress = timeline.currentValue(); QPointF point( interpolate( ( (screenGeom.width() + unscaledBorder[screen]) *(desktopCell.x() - 1) - (screenGeom.width() + unscaledBorder[screen]) *(activeCell.x() - 1) ) + pos.x(), ( (scaledSize[screen].width() + border) *(desktopCell.x() - 1) + scaledOffset[screen].x() + (pos.x() - screenGeom.x()) * scale[screen] ), progress), interpolate( ( (screenGeom.height() + unscaledBorder[screen]) *(desktopCell.y() - 1) - (screenGeom.height() + unscaledBorder[screen]) *(activeCell.y() - 1) ) + pos.y(), ( (scaledSize[screen].height() + border) *(desktopCell.y() - 1) + scaledOffset[screen].y() + (pos.y() - screenGeom.y()) * scale[screen] ), progress) ); return point; } // Detransform a point to its position on the full grid // TODO: Doesn't correctly interpolate (Final position is correct though), don't forget to copy to posToDesktop() QPoint DesktopGridEffect::unscalePos(const QPoint& pos, int* desktop) const { int screen = effects->screenNumber(pos); QRect screenGeom = effects->clientArea(ScreenArea, screen, 0); //double progress = timeline.currentValue(); double scaledX = /*interpolate( ( pos.x() - screenGeom.x() + unscaledBorder[screen] / 2.0 ) / ( screenGeom.width() + unscaledBorder[screen] ) + activeCell.x() - 1,*/ (pos.x() - scaledOffset[screen].x() + double(border) / 2.0) / (scaledSize[screen].width() + border)/*, progress )*/; double scaledY = /*interpolate( ( pos.y() - screenGeom.y() + unscaledBorder[screen] / 2.0 ) / ( screenGeom.height() + unscaledBorder[screen] ) + activeCell.y() - 1,*/ (pos.y() - scaledOffset[screen].y() + double(border) / 2.0) / (scaledSize[screen].height() + border)/*, progress )*/; int gx = qBound(0, int(scaledX), gridSize.width() - 1); // Zero-based int gy = qBound(0, int(scaledY), gridSize.height() - 1); scaledX -= gx; scaledY -= gy; if (desktop != NULL) { if (orientation == Qt::Horizontal) *desktop = gy * gridSize.width() + gx + 1; else *desktop = gx * gridSize.height() + gy + 1; } return QPoint( qBound( screenGeom.x(), qRound( scaledX * (screenGeom.width() + unscaledBorder[screen]) - unscaledBorder[screen] / 2.0 + screenGeom.x() ), screenGeom.right() ), qBound( screenGeom.y(), qRound( scaledY * (screenGeom.height() + unscaledBorder[screen]) - unscaledBorder[screen] / 2.0 + screenGeom.y() ), screenGeom.bottom() ) ); } int DesktopGridEffect::posToDesktop(const QPoint& pos) const { // Copied from unscalePos() int screen = effects->screenNumber(pos); double scaledX = (pos.x() - scaledOffset[screen].x() + double(border) / 2.0) / (scaledSize[screen].width() + border); double scaledY = (pos.y() - scaledOffset[screen].y() + double(border) / 2.0) / (scaledSize[screen].height() + border); int gx = qBound(0, int(scaledX), gridSize.width() - 1); // Zero-based int gy = qBound(0, int(scaledY), gridSize.height() - 1); if (orientation == Qt::Horizontal) return gy * gridSize.width() + gx + 1; return gx * gridSize.height() + gy + 1; } EffectWindow* DesktopGridEffect::windowAt(QPoint pos) const { // Get stacking order top first EffectWindowList windows = effects->stackingOrder(); EffectWindowList::Iterator begin = windows.begin(); EffectWindowList::Iterator end = windows.end(); --end; while (begin < end) qSwap(*begin++, *end--); int desktop; pos = unscalePos(pos, &desktop); if (desktop > effects->numberOfDesktops()) return NULL; if (isUsingPresentWindows()) { const int screen = effects->screenNumber(pos); EffectWindow *w = m_managers.at((desktop - 1) * (effects->numScreens()) + screen).windowAtPoint(pos, false); if (w) return w; foreach (EffectWindow * w, windows) { if (w->isOnDesktop(desktop) && w->isDesktop() && w->geometry().contains(pos)) return w; } } else { foreach (EffectWindow * w, windows) { if (w->isOnDesktop(desktop) && !w->isMinimized() && w->geometry().contains(pos)) return w; } } return NULL; } void DesktopGridEffect::setCurrentDesktop(int desktop) { if (orientation == Qt::Horizontal) { activeCell.setX((desktop - 1) % gridSize.width() + 1); activeCell.setY((desktop - 1) / gridSize.width() + 1); } else { activeCell.setX((desktop - 1) / gridSize.height() + 1); activeCell.setY((desktop - 1) % gridSize.height() + 1); } if (effects->currentDesktop() != desktop) effects->setCurrentDesktop(desktop); } void DesktopGridEffect::setHighlightedDesktop(int d) { if (d == highlightedDesktop || d <= 0 || d > effects->numberOfDesktops()) return; if (highlightedDesktop > 0 && highlightedDesktop <= hoverTimeline.count()) hoverTimeline[highlightedDesktop-1]->setCurrentTime(qMin(hoverTimeline[highlightedDesktop-1]->currentTime(), hoverTimeline[highlightedDesktop-1]->duration())); highlightedDesktop = d; if (highlightedDesktop <= hoverTimeline.count()) hoverTimeline[highlightedDesktop-1]->setCurrentTime(qMax(hoverTimeline[highlightedDesktop-1]->currentTime(), 0)); effects->addRepaintFull(); } int DesktopGridEffect::desktopToRight(int desktop, bool wrap) const { // Copied from Workspace::desktopToRight() int dt = desktop - 1; if (orientation == Qt::Vertical) { dt += gridSize.height(); if (dt >= effects->numberOfDesktops()) { if (wrap) dt -= effects->numberOfDesktops(); else return desktop; } } else { int d = (dt % gridSize.width()) + 1; if (d >= gridSize.width()) { if (wrap) d -= gridSize.width(); else return desktop; } dt = dt - (dt % gridSize.width()) + d; } return dt + 1; } int DesktopGridEffect::desktopToLeft(int desktop, bool wrap) const { // Copied from Workspace::desktopToLeft() int dt = desktop - 1; if (orientation == Qt::Vertical) { dt -= gridSize.height(); if (dt < 0) { if (wrap) dt += effects->numberOfDesktops(); else return desktop; } } else { int d = (dt % gridSize.width()) - 1; if (d < 0) { if (wrap) d += gridSize.width(); else return desktop; } dt = dt - (dt % gridSize.width()) + d; } return dt + 1; } int DesktopGridEffect::desktopUp(int desktop, bool wrap) const { // Copied from Workspace::desktopUp() int dt = desktop - 1; if (orientation == Qt::Horizontal) { dt -= gridSize.width(); if (dt < 0) { if (wrap) dt += effects->numberOfDesktops(); else return desktop; } } else { int d = (dt % gridSize.height()) - 1; if (d < 0) { if (wrap) d += gridSize.height(); else return desktop; } dt = dt - (dt % gridSize.height()) + d; } return dt + 1; } int DesktopGridEffect::desktopDown(int desktop, bool wrap) const { // Copied from Workspace::desktopDown() int dt = desktop - 1; if (orientation == Qt::Horizontal) { dt += gridSize.width(); if (dt >= effects->numberOfDesktops()) { if (wrap) dt -= effects->numberOfDesktops(); else return desktop; } } else { int d = (dt % gridSize.height()) + 1; if (d >= gridSize.height()) { if (wrap) d -= gridSize.height(); else return desktop; } dt = dt - (dt % gridSize.height()) + d; } return dt + 1; } //----------------------------------------------------------------------------- // Activation void DesktopGridEffect::toggle() { setActive(!activated); } void DesktopGridEffect::setActive(bool active) { if (effects->activeFullScreenEffect() && effects->activeFullScreenEffect() != this) return; // Only one fullscreen effect at a time thanks if (active && isMotionManagerMovingWindows()) return; // Still moving windows from last usage - don't activate if (activated == active) return; // Already in that state activated = active; if (activated) { effects->setShowingDesktop(false); if (timeline.currentValue() == 0) setup(); } else { if (isUsingPresentWindows()) { QList::iterator it; for (it = m_managers.begin(); it != m_managers.end(); ++it) { foreach (EffectWindow * w, (*it).managedWindows()) { (*it).moveWindow(w, w->geometry()); } } } QTimer::singleShot(zoomDuration + 1, this, [this] { if (activated) return; foreach (DesktopButtonsView *view, m_desktopButtonsViews) { view->hide(); } } ); setHighlightedDesktop(effects->currentDesktop()); // Ensure selected desktop is highlighted } effects->addRepaintFull(); } void DesktopGridEffect::setup() { if (!isActive()) return; if (!keyboardGrab) { keyboardGrab = effects->grabKeyboard(this); effects->startMouseInterception(this, Qt::PointingHandCursor); effects->setActiveFullScreenEffect(this); } setHighlightedDesktop(effects->currentDesktop()); // Soft highlighting qDeleteAll(hoverTimeline); hoverTimeline.clear(); for (int i = 0; i < effects->numberOfDesktops(); i++) { QTimeLine *newTimeline = new QTimeLine(zoomDuration, this); newTimeline->setCurveShape(QTimeLine::EaseInOutCurve); hoverTimeline.append(newTimeline); } hoverTimeline[effects->currentDesktop() - 1]->setCurrentTime(hoverTimeline[effects->currentDesktop() - 1]->duration()); // Create desktop name textures if enabled if (desktopNameAlignment) { QFont font; font.setBold(true); font.setPointSize(12); for (int i = 0; i < effects->numberOfDesktops(); i++) { EffectFrame* frame = effects->effectFrame(EffectFrameUnstyled, false); frame->setFont(font); frame->setText(effects->desktopName(i + 1)); frame->setAlignment(desktopNameAlignment); desktopNames.append(frame); } } setupGrid(); setCurrentDesktop(effects->currentDesktop()); // setup the motion managers if (m_usePresentWindows) m_proxy = static_cast(effects->getProxy(BuiltInEffects::nameForEffect(BuiltInEffect::PresentWindows))); if (isUsingPresentWindows()) { m_proxy->reCreateGrids(); // revalidation on multiscreen, bug #351724 for (int i = 1; i <= effects->numberOfDesktops(); i++) { for (int j = 0; j < effects->numScreens(); j++) { WindowMotionManager manager; foreach (EffectWindow * w, effects->stackingOrder()) { if (w->isOnDesktop(i) && w->screen() == j &&isRelevantWithPresentWindows(w)) { manager.manage(w); } } m_proxy->calculateWindowTransformations(manager.managedWindows(), j, manager); m_managers.append(manager); } } } bool enableAdd = effects->numberOfDesktops() < 20; bool enableRemove = effects->numberOfDesktops() > 1; QVector::iterator it = m_desktopButtonsViews.begin(); const int n = DesktopGridConfig::showAddRemove() ? effects->numScreens() : 0; for (int i = 0; i < n; ++i) { DesktopButtonsView *view; if (it == m_desktopButtonsViews.end()) { view = new DesktopButtonsView(); m_desktopButtonsViews.append(view); it = m_desktopButtonsViews.end(); // changed through insert! connect(view, SIGNAL(addDesktop()), SLOT(slotAddDesktop())); connect(view, SIGNAL(removeDesktop()), SLOT(slotRemoveDesktop())); } else { view = *it; ++it; } view->setAddDesktopEnabled(enableAdd); view->setRemoveDesktopEnabled(enableRemove); const QRect screenRect = effects->clientArea(FullScreenArea, i, 1); view->show(); // pseudo show must happen before geometry changes view->setPosition(screenRect.right() - border/3 - view->width(), screenRect.bottom() - border/3 - view->height()); } while (it != m_desktopButtonsViews.end()) { (*it)->deleteLater(); it = m_desktopButtonsViews.erase(it); } } void DesktopGridEffect::setupGrid() { // We need these variables for every paint so lets cache them int x, y; int numDesktops = effects->numberOfDesktops(); switch(layoutMode) { default: case LayoutPager: orientation = Qt::Horizontal; gridSize = effects->desktopGridSize(); // sanity check: pager may report incorrect size in case of one desktop if (numDesktops == 1) { gridSize = QSize(1, 1); } break; case LayoutAutomatic: y = sqrt(float(numDesktops)) + 0.5; x = float(numDesktops) / float(y) + 0.5; if (x * y < numDesktops) x++; orientation = Qt::Horizontal; gridSize.setWidth(x); gridSize.setHeight(y); break; case LayoutCustom: orientation = Qt::Horizontal; gridSize.setWidth(ceil(effects->numberOfDesktops() / double(customLayoutRows))); gridSize.setHeight(customLayoutRows); break; } scale.clear(); unscaledBorder.clear(); scaledSize.clear(); scaledOffset.clear(); for (int i = 0; i < effects->numScreens(); i++) { QRect geom = effects->clientArea(ScreenArea, i, 0); double sScale; if (gridSize.width() > gridSize.height()) sScale = (geom.width() - border * (gridSize.width() + 1)) / double(geom.width() * gridSize.width()); else sScale = (geom.height() - border * (gridSize.height() + 1)) / double(geom.height() * gridSize.height()); double sBorder = border / sScale; QSizeF size( double(geom.width()) * sScale, double(geom.height()) * sScale ); QPointF offset( geom.x() + (geom.width() - size.width() * gridSize.width() - border *(gridSize.width() - 1)) / 2.0, geom.y() + (geom.height() - size.height() * gridSize.height() - border *(gridSize.height() - 1)) / 2.0 ); scale.append(sScale); unscaledBorder.append(sBorder); scaledSize.append(size); scaledOffset.append(offset); } } void DesktopGridEffect::finish() { if (desktopNameAlignment) { qDeleteAll(desktopNames); desktopNames.clear(); } if (keyboardGrab) effects->ungrabKeyboard(); keyboardGrab = false; effects->stopMouseInterception(this); effects->setActiveFullScreenEffect(0); if (isUsingPresentWindows()) { while (!m_managers.isEmpty()) { m_managers.first().unmanageAll(); m_managers.removeFirst(); } m_proxy = 0; } } void DesktopGridEffect::globalShortcutChanged(QAction *action, const QKeySequence& seq) { if (action->objectName() != QStringLiteral("ShowDesktopGrid")) { return; } shortcut.clear(); shortcut.append(seq); } bool DesktopGridEffect::isMotionManagerMovingWindows() const { if (isUsingPresentWindows()) { QList::const_iterator it; for (it = m_managers.begin(); it != m_managers.end(); ++it) { if ((*it).areWindowsMoving()) return true; } } return false; } bool DesktopGridEffect::isUsingPresentWindows() const { return (m_proxy != NULL); } // transforms the geometry of the moved window to a geometry on the desktop // internal method only used when a window is dropped onto a desktop QRectF DesktopGridEffect::moveGeometryToDesktop(int desktop) const { QPointF point = unscalePos(m_windowMoveGeometry.topLeft() + cursorPos() - m_windowMoveStartPoint); const double scaleFactor = scale[ windowMove->screen()]; if (posToDesktop(m_windowMoveGeometry.topLeft() + cursorPos() - m_windowMoveStartPoint) != desktop) { // topLeft is not on the desktop - check other corners // if all corners are not on the desktop the window is bigger than the desktop - no matter what it will look strange if (posToDesktop(m_windowMoveGeometry.topRight() + cursorPos() - m_windowMoveStartPoint) == desktop) { point = unscalePos(m_windowMoveGeometry.topRight() + cursorPos() - m_windowMoveStartPoint) - QPointF(m_windowMoveGeometry.width(), 0) / scaleFactor; } else if (posToDesktop(m_windowMoveGeometry.bottomLeft() + cursorPos() - m_windowMoveStartPoint) == desktop) { point = unscalePos(m_windowMoveGeometry.bottomLeft() + cursorPos() - m_windowMoveStartPoint) - QPointF(0, m_windowMoveGeometry.height()) / scaleFactor; } else if (posToDesktop(m_windowMoveGeometry.bottomRight() + cursorPos() - m_windowMoveStartPoint) == desktop) { point = unscalePos(m_windowMoveGeometry.bottomRight() + cursorPos() - m_windowMoveStartPoint) - QPointF(m_windowMoveGeometry.width(), m_windowMoveGeometry.height()) / scaleFactor; } } return QRectF(point, m_windowMoveGeometry.size() / scaleFactor); } void DesktopGridEffect::slotAddDesktop() { effects->setNumberOfDesktops(effects->numberOfDesktops() + 1); } void DesktopGridEffect::slotRemoveDesktop() { effects->setNumberOfDesktops(effects->numberOfDesktops() - 1); } void DesktopGridEffect::slotNumberDesktopsChanged(uint old) { if (!activated) return; const uint desktop = effects->numberOfDesktops(); bool enableAdd = desktop < 20; bool enableRemove = desktop > 1; foreach (DesktopButtonsView *view, m_desktopButtonsViews) { view->setAddDesktopEnabled(enableAdd); view->setRemoveDesktopEnabled(enableRemove); } if (old < desktop) desktopsAdded(old); else desktopsRemoved(old); } void DesktopGridEffect::desktopsAdded(int old) { const int desktop = effects->numberOfDesktops(); for (int i = old; i <= effects->numberOfDesktops(); i++) { // add a timeline for the new desktop QTimeLine *newTimeline = new QTimeLine(zoomDuration, this); newTimeline->setCurveShape(QTimeLine::EaseInOutCurve); hoverTimeline.append(newTimeline); } // Create desktop name textures if enabled if (desktopNameAlignment) { QFont font; font.setBold(true); font.setPointSize(12); for (int i = old; i < desktop; i++) { EffectFrame* frame = effects->effectFrame(EffectFrameUnstyled, false); frame->setFont(font); frame->setText(effects->desktopName(i + 1)); frame->setAlignment(desktopNameAlignment); desktopNames.append(frame); } } if (isUsingPresentWindows()) { for (int i = old+1; i <= effects->numberOfDesktops(); ++i) { for (int j = 0; j < effects->numScreens(); ++j) { WindowMotionManager manager; foreach (EffectWindow * w, effects->stackingOrder()) { if (w->isOnDesktop(i) && w->screen() == j &&isRelevantWithPresentWindows(w)) { manager.manage(w); } } m_proxy->calculateWindowTransformations(manager.managedWindows(), j, manager); m_managers.append(manager); } } } setupGrid(); // and repaint effects->addRepaintFull(); } void DesktopGridEffect::desktopsRemoved(int old) { const int desktop = effects->numberOfDesktops(); for (int i = desktop; i < old; i++) { delete hoverTimeline.takeLast(); if (desktopNameAlignment) { delete desktopNames.last(); desktopNames.removeLast(); } if (isUsingPresentWindows()) { for (int j = 0; j < effects->numScreens(); ++j) { WindowMotionManager& manager = m_managers.last(); manager.unmanageAll(); m_managers.removeLast(); } } } // add removed windows to the last desktop if (isUsingPresentWindows()) { for (int j = 0; j < effects->numScreens(); ++j) { WindowMotionManager& manager = m_managers[(desktop-1)*(effects->numScreens())+j ]; foreach (EffectWindow * w, effects->stackingOrder()) { if (manager.isManaging(w)) continue; if (w->isOnDesktop(desktop) && w->screen() == j && isRelevantWithPresentWindows(w)) { manager.manage(w); } } m_proxy->calculateWindowTransformations(manager.managedWindows(), j, manager); } } setupGrid(); // and repaint effects->addRepaintFull(); } QVector DesktopGridEffect::desktopList(const EffectWindow *w) const { if (w->isOnAllDesktops()) { static QVector allDesktops; if (allDesktops.count() != effects->numberOfDesktops()) { allDesktops.resize(effects->numberOfDesktops()); for (int i = 0; i < effects->numberOfDesktops(); ++i) allDesktops[i] = i; } return allDesktops; } if (w->desktop() > effects->numberOfDesktops() || w->desktop() < 1) { // sic! desktops are [1,n] static QVector emptyVector; emptyVector.resize(0); return emptyVector; } static QVector singleDesktop; singleDesktop.resize(1); singleDesktop[0] = w->desktop() - 1; return singleDesktop; } bool DesktopGridEffect::isActive() const { return (timeline.currentValue() != 0 || activated || (isUsingPresentWindows() && isMotionManagerMovingWindows())) && !effects->isScreenLocked(); } bool DesktopGridEffect::isRelevantWithPresentWindows(EffectWindow *w) const { return !(w->isDesktop() || w->isDock() || w->isSkipSwitcher() || w->isOnScreenDisplay()) && w->isCurrentTab() && w->isOnCurrentActivity(); } /************************************************ * DesktopButtonView ************************************************/ DesktopButtonsView::DesktopButtonsView(QWindow *parent) : QQuickView(parent) , effectWindow(nullptr) , m_visible(false) , m_posIsValid(false) { setFlags(Qt::X11BypassWindowManagerHint | Qt::FramelessWindowHint); setColor(Qt::transparent); rootContext()->setContextProperty(QStringLiteral("add"), QVariant(true)); rootContext()->setContextProperty(QStringLiteral("remove"), QVariant(true)); setSource(QUrl(QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("kwin/effects/desktopgrid/main.qml")))); if (QObject *item = rootObject()->findChild(QStringLiteral("addButton"))) { connect(item, SIGNAL(clicked()), SIGNAL(addDesktop())); } if (QObject *item = rootObject()->findChild(QStringLiteral("removeButton"))) { connect(item, SIGNAL(clicked()), SIGNAL(removeDesktop())); } } void DesktopButtonsView::windowInputMouseEvent(QMouseEvent *e) { if (e->type() == QEvent::MouseMove) { mouseMoveEvent(e); } else if (e->type() == QEvent::MouseButtonPress) { mousePressEvent(e); } else if (e->type() == QEvent::MouseButtonDblClick) { mouseDoubleClickEvent(e); } else if (e->type() == QEvent::MouseButtonRelease) { mouseReleaseEvent(e); } } void DesktopButtonsView::setAddDesktopEnabled(bool enable) { rootContext()->setContextProperty(QStringLiteral("add"), QVariant(enable)); } void DesktopButtonsView::setRemoveDesktopEnabled(bool enable) { rootContext()->setContextProperty(QStringLiteral("remove"), QVariant(enable)); } bool DesktopButtonsView::isVisible() const { return m_visible; } void DesktopButtonsView::show() { if (!m_visible && m_posIsValid) { setPosition(m_pos); m_posIsValid = false; } m_visible = true; QQuickView::show(); } void DesktopButtonsView::hide() { if (!m_posIsValid) { m_pos = position(); m_posIsValid = true; setPosition(-width(), -height()); } m_visible = false; } } // namespace