File indexing completed on 2024-11-10 04:58:01

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
     SPDX-FileCopyrightText: 2019 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #include "window.h"
 
 #if KWIN_BUILD_ACTIVITIES
 #include "activities.h"
 #endif
 #include "appmenu.h"
 #include "client_machine.h"
 #include "compositor.h"
 #include "core/output.h"
 #include "decorations/decoratedclient.h"
 #include "decorations/decorationpalette.h"
 #include "focuschain.h"
 #include "input.h"
 #include "outline.h"
 #include "placement.h"
 #include "scene/windowitem.h"
 #include "scene/workspacescene.h"
 #include "screenedge.h"
 #include "shadow.h"
 #if KWIN_BUILD_TABBOX
 #include "tabbox/tabbox.h"
 #endif
 #include "tiles/tilemanager.h"
 #include "useractions.h"
 #include "virtualdesktops.h"
 #include "wayland/output.h"
 #include "wayland/plasmawindowmanagement.h"
 #include "wayland/surface.h"
 #include "wayland_server.h"
 #include "workspace.h"
 
 #include <KDecoration2/DecoratedClient>
 #include <KDecoration2/Decoration>
 #include <KDesktopFile>
 
 #include <QDebug>
 #include <QDir>
 #include <QMouseEvent>
 #include <QStyleHints>
 
 namespace KWin
 {
 
 static inline int sign(int v)
 {
     return (v > 0) - (v < 0);
 }
 
 QHash<QString, std::weak_ptr<Decoration::DecorationPalette>> Window::s_palettes;
 std::shared_ptr<Decoration::DecorationPalette> Window::s_defaultPalette;
 
 Window::Window()
     : m_output(workspace()->activeOutput())
     , ready_for_painting(false)
     , m_internalId(QUuid::createUuid())
     , m_clientMachine(new ClientMachine(this))
     , m_skipCloseAnimation(false)
     , m_colorScheme(QStringLiteral("kdeglobals"))
     , m_moveResizeOutput(workspace()->activeOutput())
 {
     connect(this, &Window::bufferGeometryChanged, this, &Window::inputTransformationChanged);
 
     connect(this, &Window::interactiveMoveResizeStarted, this, &Window::moveResizedChanged);
     connect(this, &Window::interactiveMoveResizeFinished, this, &Window::moveResizedChanged);
 
     connect(this, &Window::windowShown, this, &Window::hiddenChanged);
     connect(this, &Window::windowHidden, this, &Window::hiddenChanged);
 
     connect(this, &Window::paletteChanged, this, &Window::triggerDecorationRepaint);
 
     // If the user manually moved the window, don't restore it after the keyboard closes
     connect(this, &Window::interactiveMoveResizeFinished, this, [this]() {
         m_keyboardGeometryRestore = QRectF();
     });
     connect(this, &Window::maximizedChanged, this, [this]() {
         m_keyboardGeometryRestore = QRectF();
     });
     connect(this, &Window::fullScreenChanged, this, [this]() {
         m_keyboardGeometryRestore = QRectF();
     });
 
     // replace on-screen-display on size changes
     connect(this, &Window::frameGeometryChanged, this, [this](const QRectF &old) {
         if (isOnScreenDisplay() && !frameGeometry().isEmpty() && old.size() != frameGeometry().size() && isPlaceable()) {
             GeometryUpdatesBlocker blocker(this);
             workspace()->placement()->place(this, workspace()->clientArea(PlacementArea, this, workspace()->activeOutput()));
         }
     });
 
     connect(Workspace::self()->applicationMenu(), &ApplicationMenu::applicationMenuEnabledChanged, this, [this] {
         Q_EMIT hasApplicationMenuChanged(hasApplicationMenu());
     });
     connect(&m_offscreenFramecallbackTimer, &QTimer::timeout, this, &Window::maybeSendFrameCallback);
 }
 
 Window::~Window()
 {
     if (m_tile) {
         m_tile->removeWindow(this);
     }
     Q_ASSERT(m_blockGeometryUpdates == 0);
 }
 
 void Window::ref()
 {
     ++m_refCount;
 }
 
 void Window::unref()
 {
     --m_refCount;
     if (m_refCount) {
         return;
     }
     if (m_deleted) {
         workspace()->removeDeleted(this);
     }
     delete this;
 }
 
 QDebug operator<<(QDebug debug, const Window *window)
 {
     QDebugStateSaver saver(debug);
     debug.nospace();
     if (window) {
         debug << window->metaObject()->className() << '(' << static_cast<const void *>(window);
         if (const SurfaceInterface *surface = window->surface()) {
             debug << ", surface=" << surface;
         }
         if (window->isClient()) {
             if (!window->isPopupWindow()) {
                 debug << ", caption=" << window->caption();
             }
             if (window->transientFor()) {
                 debug << ", transientFor=" << window->transientFor();
             }
         }
         if (debug.verbosity() > 2) {
             debug << ", frameGeometry=" << window->frameGeometry();
             debug << ", resourceName=" << window->resourceName();
             debug << ", resourceClass=" << window->resourceClass();
         }
         debug << ')';
     } else {
         debug << "Window(0x0)";
     }
     return debug;
 }
 
 QRectF Window::visibleGeometry() const
 {
     if (const WindowItem *item = windowItem()) {
         return item->mapToGlobal(item->boundingRect());
     }
     return QRectF();
 }
 
 /**
  * Returns client machine for this window,
  * taken either from its window or from the leader window.
  */
 QString Window::wmClientMachine(bool use_localhost) const
 {
     if (!m_clientMachine) {
         // this should never happen
         return QString();
     }
     if (use_localhost && m_clientMachine->isLocal()) {
         // special name for the local machine (localhost)
         return ClientMachine::localhost();
     }
     return m_clientMachine->hostName();
 }
 
 void Window::setResourceClass(const QString &name, const QString &className)
 {
     resource_name = name;
     resource_class = className;
     Q_EMIT windowClassChanged();
 }
 
 qreal Window::opacity() const
 {
     return m_opacity;
 }
 
 void Window::setOpacity(qreal opacity)
 {
     opacity = std::clamp(opacity, 0.0, 1.0);
     if (m_opacity == opacity) {
         return;
     }
     const qreal oldOpacity = m_opacity;
     m_opacity = opacity;
     Q_EMIT opacityChanged(this, oldOpacity);
 }
 
 bool Window::setupCompositing()
 {
     WorkspaceScene *scene = Compositor::self()->scene();
     if (!scene) {
         return false;
     }
 
     m_windowItem = createItem(scene);
     m_windowItem->setParentItem(scene->containerItem());
 
     connect(windowItem(), &WindowItem::positionChanged, this, &Window::visibleGeometryChanged);
     connect(windowItem(), &WindowItem::boundingRectChanged, this, &Window::visibleGeometryChanged);
 
     return true;
 }
 
 void Window::finishCompositing()
 {
     m_windowItem.reset();
 }
 
 void Window::setReadyForPainting()
 {
     if (!ready_for_painting) {
         ready_for_painting = true;
         Q_EMIT readyForPaintingChanged();
     }
 }
 
 Output *Window::output() const
 {
     return m_output;
 }
 
 void Window::setOutput(Output *output)
 {
     if (m_output != output) {
         m_output = output;
         Q_EMIT outputChanged();
     }
 }
 
 bool Window::isOnActiveOutput() const
 {
     return isOnOutput(workspace()->activeOutput());
 }
 
 bool Window::isOnOutput(Output *output) const
 {
     return output->geometry().intersects(frameGeometry().toRect());
 }
 
 Shadow *Window::shadow() const
 {
     return m_shadow.get();
 }
 
 void Window::updateShadow()
 {
     if (m_shadow) {
         if (!m_shadow->updateShadow()) {
             m_shadow.reset();
         }
         Q_EMIT shadowChanged();
     } else {
         m_shadow = Shadow::createShadow(this);
         if (m_shadow) {
             Q_EMIT shadowChanged();
         }
     }
 }
 
 EffectWindow *Window::effectWindow()
 {
     return m_windowItem ? m_windowItem->effectWindow() : nullptr;
 }
 
 const EffectWindow *Window::effectWindow() const
 {
     return m_windowItem ? m_windowItem->effectWindow() : nullptr;
 }
 
 SurfaceItem *Window::surfaceItem() const
 {
     if (m_windowItem) {
         return m_windowItem->surfaceItem();
     }
     return nullptr;
 }
 
 bool Window::wantsShadowToBeRendered() const
 {
     return !isFullScreen() && maximizeMode() != MaximizeFull;
 }
 
 bool Window::isClient() const
 {
     return false;
 }
 
 bool Window::isUnmanaged() const
 {
     return false;
 }
 
 void Window::elevate(bool elevate)
 {
     if (m_windowItem) {
         if (elevate) {
             m_windowItem->elevate();
         } else {
             m_windowItem->deelevate();
         }
     }
 }
 
 pid_t Window::pid() const
 {
     return -1;
 }
 
 bool Window::skipsCloseAnimation() const
 {
     return m_skipCloseAnimation;
 }
 
 void Window::setSkipCloseAnimation(bool set)
 {
     if (set == m_skipCloseAnimation) {
         return;
     }
     m_skipCloseAnimation = set;
     Q_EMIT skipCloseAnimationChanged();
 }
 
 SurfaceInterface *Window::surface() const
 {
     return m_surface;
 }
 
 void Window::setSurface(SurfaceInterface *surface)
 {
     if (m_surface == surface) {
         return;
     }
     m_surface = surface;
     Q_EMIT surfaceChanged();
 }
 
 int Window::stackingOrder() const
 {
     return m_stackingOrder;
 }
 
 void Window::setStackingOrder(int order)
 {
     if (m_stackingOrder != order) {
         m_stackingOrder = order;
         Q_EMIT stackingOrderChanged();
     }
 }
 
 QString Window::windowRole() const
 {
     return QString();
 }
 
 QMatrix4x4 Window::inputTransformation() const
 {
     QMatrix4x4 m;
     m.translate(-m_bufferGeometry.x(), -m_bufferGeometry.y());
     return m;
 }
 
 bool Window::hitTest(const QPointF &point) const
 {
     if (isDecorated()) {
         if (m_decoration.inputRegion.contains(flooredPoint(mapToFrame(point)))) {
             return true;
         }
     }
     if (m_surface && m_surface->isMapped()) {
         return m_surface->inputSurfaceAt(mapToLocal(point));
     }
     return exclusiveContains(m_bufferGeometry, point);
 }
 
 QPointF Window::mapToFrame(const QPointF &point) const
 {
     return point - frameGeometry().topLeft();
 }
 
 QPointF Window::mapToLocal(const QPointF &point) const
 {
     return point - bufferGeometry().topLeft();
 }
 
 QPointF Window::mapFromLocal(const QPointF &point) const
 {
     return point + bufferGeometry().topLeft();
 }
 
 bool Window::isLocalhost() const
 {
     if (!m_clientMachine) {
         return true;
     }
     return m_clientMachine->isLocal();
 }
 
 QMargins Window::frameMargins() const
 {
     return QMargins(borderLeft(), borderTop(), borderRight(), borderBottom());
 }
 
 void Window::updateMouseGrab()
 {
 }
 
 bool Window::belongToSameApplication(const Window *c1, const Window *c2, SameApplicationChecks checks)
 {
     return c1->belongsToSameApplication(c2, checks);
 }
 
 xcb_timestamp_t Window::userTime() const
 {
     return XCB_TIME_CURRENT_TIME;
 }
 
 void Window::setSkipSwitcher(bool set)
 {
     set = rules()->checkSkipSwitcher(set);
     if (set == skipSwitcher()) {
         return;
     }
     m_skipSwitcher = set;
     doSetSkipSwitcher();
     updateWindowRules(Rules::SkipSwitcher);
     Q_EMIT skipSwitcherChanged();
 }
 
 void Window::setSkipPager(bool b)
 {
     b = rules()->checkSkipPager(b);
     if (b == skipPager()) {
         return;
     }
     m_skipPager = b;
     doSetSkipPager();
     updateWindowRules(Rules::SkipPager);
     Q_EMIT skipPagerChanged();
 }
 
 void Window::doSetSkipPager()
 {
 }
 
 void Window::setSkipTaskbar(bool b)
 {
     int was_wants_tab_focus = wantsTabFocus();
     if (b == skipTaskbar()) {
         return;
     }
     m_skipTaskbar = b;
     doSetSkipTaskbar();
     updateWindowRules(Rules::SkipTaskbar);
     if (was_wants_tab_focus != wantsTabFocus()) {
         Workspace::self()->focusChain()->update(this, isActive() ? FocusChain::MakeFirst : FocusChain::Update);
     }
     Q_EMIT skipTaskbarChanged();
 }
 
 void Window::setOriginalSkipTaskbar(bool b)
 {
     m_originalSkipTaskbar = rules()->checkSkipTaskbar(b);
     setSkipTaskbar(m_originalSkipTaskbar);
 }
 
 void Window::doSetSkipTaskbar()
 {
 }
 
 void Window::doSetSkipSwitcher()
 {
 }
 
 void Window::setIcon(const QIcon &icon)
 {
     m_icon = icon;
     Q_EMIT iconChanged();
 }
 
 void Window::setActive(bool act)
 {
     if (isDeleted()) {
         return;
     }
     if (m_active == act) {
         return;
     }
     m_active = act;
     const int ruledOpacity = m_active
         ? rules()->checkOpacityActive(qRound(opacity() * 100.0))
         : rules()->checkOpacityInactive(qRound(opacity() * 100.0));
     setOpacity(ruledOpacity / 100.0);
     workspace()->setActiveWindow(act ? this : nullptr);
 
     if (!m_active) {
         cancelAutoRaise();
     }
 
     if (!m_active && shadeMode() == ShadeActivated) {
         setShade(ShadeNormal);
     }
 
     StackingUpdatesBlocker blocker(workspace());
     updateLayer(); // active windows may get different layer
     auto mainwindows = mainWindows();
     for (auto it = mainwindows.constBegin(); it != mainwindows.constEnd(); ++it) {
         if ((*it)->isFullScreen()) { // fullscreens go high even if their transient is active
             (*it)->updateLayer();
         }
     }
 
     doSetActive();
     Q_EMIT activeChanged();
     updateMouseGrab();
 }
 
 void Window::doSetActive()
 {
 }
 
 bool Window::isDeleted() const
 {
     return m_deleted;
 }
 
 void Window::markAsDeleted()
 {
     Q_ASSERT(!m_deleted);
     m_deleted = true;
     workspace()->addDeleted(this);
 }
 
 Layer Window::layer() const
 {
     if (m_layer == UnknownLayer) {
         const_cast<Window *>(this)->m_layer = rules()->checkLayer(belongsToLayer());
     }
     return m_layer;
 }
 
 void Window::updateLayer()
 {
     if (isDeleted()) {
         return;
     }
     if (layer() == rules()->checkLayer(belongsToLayer())) {
         return;
     }
     StackingUpdatesBlocker blocker(workspace());
     m_layer = UnknownLayer; // invalidate, will be updated when doing restacking
     for (auto it = transients().constBegin(), end = transients().constEnd(); it != end; ++it) {
         (*it)->updateLayer();
     }
 }
 
 Layer Window::belongsToLayer() const
 {
     if (isUnmanaged() || isInternal()) {
         return OverlayLayer;
     }
     if (isLockScreen() && !waylandServer()) {
         return OverlayLayer;
     }
     if (isInputMethod()) {
         return OverlayLayer;
     }
     if (isLockScreenOverlay() && waylandServer() && waylandServer()->isScreenLocked()) {
         return OverlayLayer;
     }
     if (isDesktop()) {
         return DesktopLayer;
     }
     if (isSplash()) { // no damn annoying splashscreens
         return NormalLayer; // getting in the way of everything else
     }
     if (isDock() || isAppletPopup()) {
         return AboveLayer;
     }
     if (isPopupWindow()) {
         return PopupLayer;
     }
     if (isOnScreenDisplay()) {
         return OnScreenDisplayLayer;
     }
     if (isNotification()) {
         return NotificationLayer;
     }
     if (isCriticalNotification()) {
         return CriticalNotificationLayer;
     }
     if (keepBelow()) {
         return BelowLayer;
     }
     if (isActiveFullScreen()) {
         return ActiveLayer;
     }
     if (keepAbove()) {
         return AboveLayer;
     }
 
     return NormalLayer;
 }
 
 bool Window::belongsToDesktop() const
 {
     return false;
 }
 
 void Window::setKeepAbove(bool b)
 {
     b = rules()->checkKeepAbove(b);
     if (b && !rules()->checkKeepBelow(false)) {
         setKeepBelow(false);
     }
     if (b == keepAbove()) {
         return;
     }
     m_keepAbove = b;
     doSetKeepAbove();
     updateLayer();
     updateWindowRules(Rules::Above);
 
     Q_EMIT keepAboveChanged(m_keepAbove);
 }
 
 void Window::doSetKeepAbove()
 {
 }
 
 void Window::setKeepBelow(bool b)
 {
     b = rules()->checkKeepBelow(b);
     if (b && !rules()->checkKeepAbove(false)) {
         setKeepAbove(false);
     }
     if (b == keepBelow()) {
         return;
     }
     m_keepBelow = b;
     doSetKeepBelow();
     updateLayer();
     updateWindowRules(Rules::Below);
 
     Q_EMIT keepBelowChanged(m_keepBelow);
 }
 
 void Window::doSetKeepBelow()
 {
 }
 
 void Window::startAutoRaise()
 {
     delete m_autoRaiseTimer;
     m_autoRaiseTimer = new QTimer(this);
     connect(m_autoRaiseTimer, &QTimer::timeout, this, &Window::autoRaise);
     m_autoRaiseTimer->setSingleShot(true);
     m_autoRaiseTimer->start(options->autoRaiseInterval());
 }
 
 void Window::cancelAutoRaise()
 {
     delete m_autoRaiseTimer;
     m_autoRaiseTimer = nullptr;
 }
 
 void Window::autoRaise()
 {
     workspace()->raiseWindow(this);
     cancelAutoRaise();
 }
 
 bool Window::isMostRecentlyRaised() const
 {
     // The last window in the unconstrained stacking order is the most recently raised one.
     return workspace()->topWindowOnDesktop(VirtualDesktopManager::self()->currentDesktop(), nullptr, true, false) == this;
 }
 
 bool Window::wantsTabFocus() const
 {
     return (isNormalWindow() || isDialog() || isAppletPopup()) && wantsInput();
 }
 
 bool Window::isSpecialWindow() const
 {
     // TODO
     return isDesktop() || isDock() || isSplash() || isToolbar() || isNotification() || isOnScreenDisplay() || isCriticalNotification();
 }
 
 void Window::demandAttention(bool set)
 {
     if (isActive()) {
         set = false;
     }
     if (m_demandsAttention == set) {
         return;
     }
     m_demandsAttention = set;
     doSetDemandsAttention();
     workspace()->windowAttentionChanged(this, set);
     Q_EMIT demandsAttentionChanged();
 }
 
 void Window::doSetDemandsAttention()
 {
 }
 
 void Window::setDesktops(QList<VirtualDesktop *> desktops)
 {
     // on x11 we can have only one desktop at a time
     if (kwinApp()->operationMode() == Application::OperationModeX11 && desktops.size() > 1) {
         desktops = QList<VirtualDesktop *>({desktops.last()});
     }
 
     desktops = rules()->checkDesktops(desktops);
     if (desktops == m_desktops) {
         return;
     }
 
     m_desktops = desktops;
 
     if (windowManagementInterface()) {
         if (m_desktops.isEmpty()) {
             windowManagementInterface()->setOnAllDesktops(true);
         } else {
             windowManagementInterface()->setOnAllDesktops(false);
             auto currentDesktops = windowManagementInterface()->plasmaVirtualDesktops();
             for (auto desktop : std::as_const(m_desktops)) {
                 if (!currentDesktops.contains(desktop->id())) {
                     windowManagementInterface()->addPlasmaVirtualDesktop(desktop->id());
                 } else {
                     currentDesktops.removeOne(desktop->id());
                 }
             }
             for (const auto &desktopId : std::as_const(currentDesktops)) {
                 windowManagementInterface()->removePlasmaVirtualDesktop(desktopId);
             }
         }
     }
 
     auto transients_stacking_order = workspace()->ensureStackingOrder(transients());
     for (auto it = transients_stacking_order.constBegin(); it != transients_stacking_order.constEnd(); ++it) {
         (*it)->setDesktops(desktops);
     }
 
     if (isModal()) // if a modal dialog is moved, move the mainwindow with it as otherwise
                    // the (just moved) modal dialog will confusingly return to the mainwindow with
                    // the next desktop change
     {
         const auto windows = mainWindows();
         for (Window *other : windows) {
             other->setDesktops(desktops);
         }
     }
 
     doSetDesktop();
 
     Workspace::self()->focusChain()->update(this, FocusChain::MakeFirst);
     updateWindowRules(Rules::Desktops);
 
     Q_EMIT desktopsChanged();
 }
 
 void Window::doSetDesktop()
 {
 }
 
 void Window::enterDesktop(VirtualDesktop *virtualDesktop)
 {
     if (m_desktops.contains(virtualDesktop)) {
         return;
     }
     auto desktops = m_desktops;
     desktops.append(virtualDesktop);
     setDesktops(desktops);
 }
 
 void Window::leaveDesktop(VirtualDesktop *virtualDesktop)
 {
     QList<VirtualDesktop *> currentDesktops;
     if (m_desktops.isEmpty()) {
         currentDesktops = VirtualDesktopManager::self()->desktops();
     } else {
         currentDesktops = m_desktops;
     }
 
     if (!currentDesktops.contains(virtualDesktop)) {
         return;
     }
     auto desktops = currentDesktops;
     desktops.removeOne(virtualDesktop);
     setDesktops(desktops);
 }
 
 void Window::setOnAllDesktops(bool b)
 {
     if (b == isOnAllDesktops()) {
         return;
     }
     if (b) {
         setDesktops({});
     } else {
         setDesktops({VirtualDesktopManager::self()->currentDesktop()});
     }
 }
 
 QList<VirtualDesktop *> Window::desktops() const
 {
     return m_desktops;
 }
 
 QStringList Window::desktopIds() const
 {
     const auto desks = desktops();
     QStringList ids;
     ids.reserve(desks.count());
     std::transform(desks.constBegin(), desks.constEnd(),
                    std::back_inserter(ids),
                    [](const VirtualDesktop *vd) {
                        return vd->id();
                    });
     return ids;
 }
 
 bool Window::isOnDesktop(VirtualDesktop *desktop) const
 {
     return isOnAllDesktops() || desktops().contains(desktop);
 }
 
 bool Window::isOnCurrentDesktop() const
 {
     return isOnDesktop(VirtualDesktopManager::self()->currentDesktop());
 }
 
 ShadeMode Window::shadeMode() const
 {
     return m_shadeMode;
 }
 
 bool Window::isShadeable() const
 {
     return false;
 }
 
 void Window::setShade(bool set)
 {
     set ? setShade(ShadeNormal) : setShade(ShadeNone);
 }
 
 void Window::setShade(ShadeMode mode)
 {
     if (!isShadeable()) {
         return;
     }
     if (mode == ShadeHover && isInteractiveMove()) {
         return; // causes geometry breaks and is probably nasty
     }
     if (isSpecialWindow() || !isDecorated()) {
         mode = ShadeNone;
     }
 
     mode = rules()->checkShade(mode);
     if (m_shadeMode == mode) {
         return;
     }
 
     const bool wasShade = isShade();
     const ShadeMode previousShadeMode = shadeMode();
     m_shadeMode = mode;
 
     if (wasShade == isShade()) {
         // Decoration may want to update after e.g. hover-shade changes
         Q_EMIT shadeChanged();
         return; // No real change in shaded state
     }
 
     Q_ASSERT(isDecorated());
     GeometryUpdatesBlocker blocker(this);
 
     doSetShade(previousShadeMode);
     updateWindowRules(Rules::Shade);
 
     Q_EMIT shadeChanged();
 }
 
 void Window::doSetShade(ShadeMode previousShadeMode)
 {
 }
 
 void Window::shadeHover()
 {
     setShade(ShadeHover);
     cancelShadeHoverTimer();
 }
 
 void Window::shadeUnhover()
 {
     setShade(ShadeNormal);
     cancelShadeHoverTimer();
 }
 
 void Window::startShadeHoverTimer()
 {
     if (!isShade()) {
         return;
     }
     m_shadeHoverTimer = new QTimer(this);
     connect(m_shadeHoverTimer, &QTimer::timeout, this, &Window::shadeHover);
     m_shadeHoverTimer->setSingleShot(true);
     m_shadeHoverTimer->start(options->shadeHoverInterval());
 }
 
 void Window::startShadeUnhoverTimer()
 {
     if (m_shadeMode == ShadeHover && !isInteractiveMoveResize() && !isInteractiveMoveResizePointerButtonDown()) {
         m_shadeHoverTimer = new QTimer(this);
         connect(m_shadeHoverTimer, &QTimer::timeout, this, &Window::shadeUnhover);
         m_shadeHoverTimer->setSingleShot(true);
         m_shadeHoverTimer->start(options->shadeHoverInterval());
     }
 }
 
 void Window::cancelShadeHoverTimer()
 {
     delete m_shadeHoverTimer;
     m_shadeHoverTimer = nullptr;
 }
 
 void Window::toggleShade()
 {
     // If the mode is ShadeHover or ShadeActive, cancel shade too.
     setShade(shadeMode() == ShadeNone ? ShadeNormal : ShadeNone);
 }
 
 Qt::Edge Window::titlebarPosition() const
 {
     // TODO: still needed, remove?
     return Qt::TopEdge;
 }
 
 bool Window::titlebarPositionUnderMouse() const
 {
     if (!isDecorated()) {
         return false;
     }
     const auto sectionUnderMouse = decoration()->sectionUnderMouse();
     if (sectionUnderMouse == Qt::TitleBarArea) {
         return true;
     }
     // check other sections based on titlebarPosition
     switch (titlebarPosition()) {
     case Qt::TopEdge:
         return (sectionUnderMouse == Qt::TopLeftSection || sectionUnderMouse == Qt::TopSection || sectionUnderMouse == Qt::TopRightSection);
     case Qt::LeftEdge:
         return (sectionUnderMouse == Qt::TopLeftSection || sectionUnderMouse == Qt::LeftSection || sectionUnderMouse == Qt::BottomLeftSection);
     case Qt::RightEdge:
         return (sectionUnderMouse == Qt::BottomRightSection || sectionUnderMouse == Qt::RightSection || sectionUnderMouse == Qt::TopRightSection);
     case Qt::BottomEdge:
         return (sectionUnderMouse == Qt::BottomLeftSection || sectionUnderMouse == Qt::BottomSection || sectionUnderMouse == Qt::BottomRightSection);
     default:
         // nothing
         return false;
     }
 }
 
 void Window::setMinimized(bool set)
 {
     const bool effectiveSet = rules()->checkMinimize(set);
     if (m_minimized == effectiveSet) {
         return;
     }
 
     if (effectiveSet && !isMinimizable()) {
         return;
     }
 
     m_minimized = effectiveSet;
     doMinimize();
 
     updateWindowRules(Rules::Minimize);
     Q_EMIT minimizedChanged();
 }
 
 void Window::doMinimize()
 {
 }
 
 QPalette Window::palette()
 {
     ensurePalette();
     return m_palette->palette();
 }
 
 const Decoration::DecorationPalette *Window::decorationPalette()
 {
     ensurePalette();
     return m_palette.get();
 }
 
 QString Window::preferredColorScheme() const
 {
     return rules()->checkDecoColor(QString());
 }
 
 QString Window::colorScheme() const
 {
     return m_colorScheme;
 }
 
 void Window::setColorScheme(const QString &colorScheme)
 {
     QString requestedColorScheme = colorScheme;
     if (requestedColorScheme.isEmpty()) {
         requestedColorScheme = QStringLiteral("kdeglobals");
     }
 
     if (m_colorScheme == requestedColorScheme) {
         return;
     }
 
     m_colorScheme = requestedColorScheme;
 
     if (m_palette) {
         disconnect(m_palette.get(), &Decoration::DecorationPalette::changed, this, &Window::handlePaletteChange);
         m_palette.reset();
 
         // If there already was a palette, re-create it right away
         // so the signals for repainting the decoration are emitted.
         ensurePalette();
     }
 
     Q_EMIT colorSchemeChanged();
 }
 
 void Window::updateColorScheme()
 {
     setColorScheme(preferredColorScheme());
 }
 
 void Window::ensurePalette()
 {
     if (m_palette) {
         return;
     }
 
     auto it = s_palettes.find(m_colorScheme);
 
     if (it == s_palettes.end() || it->expired()) {
         m_palette = std::make_shared<Decoration::DecorationPalette>(m_colorScheme);
         if (m_palette->isValid()) {
             s_palettes[m_colorScheme] = m_palette;
         } else {
             if (!s_defaultPalette) {
                 s_defaultPalette = std::make_shared<Decoration::DecorationPalette>(QStringLiteral("kdeglobals"));
                 s_palettes[QStringLiteral("kdeglobals")] = s_defaultPalette;
             }
 
             m_palette = s_defaultPalette;
         }
 
         if (m_colorScheme == QStringLiteral("kdeglobals")) {
             s_defaultPalette = m_palette;
         }
     } else {
         m_palette = it->lock();
     }
 
     connect(m_palette.get(), &Decoration::DecorationPalette::changed, this, &Window::handlePaletteChange);
 
     handlePaletteChange();
 }
 
 void Window::handlePaletteChange()
 {
     Q_EMIT paletteChanged(palette());
 }
 
 QRectF Window::keepInArea(QRectF geometry, QRectF area, bool partial)
 {
     if (partial) {
         // increase the area so that can have only 100 pixels in the area
         const QRectF geometry = moveResizeGeometry();
         area.setLeft(std::min(area.left() - geometry.width() + 100, area.left()));
         area.setTop(std::min(area.top() - geometry.height() + 100, area.top()));
         area.setRight(std::max(area.right() + geometry.width() - 100, area.right()));
         area.setBottom(std::max(area.bottom() + geometry.height() - 100, area.bottom()));
     }
     if (!partial) {
         // resize to fit into area
         if (area.width() < geometry.width() || area.height() < geometry.height()) {
             geometry = resizeWithChecks(geometry, geometry.size().boundedTo(area.size()));
         }
     }
 
     if (geometry.right() > area.right() && geometry.width() <= area.width()) {
         geometry.moveRight(area.right());
     }
     if (geometry.bottom() > area.bottom() && geometry.height() <= area.height()) {
         geometry.moveBottom(area.bottom());
     }
 
     if (geometry.left() < area.left()) {
         geometry.moveLeft(area.left());
     }
     if (geometry.top() < area.top()) {
         geometry.moveTop(area.top());
     }
     return geometry;
 }
 
 void Window::keepInArea(QRectF area, bool partial)
 {
     moveResize(keepInArea(moveResizeGeometry(), area, partial));
 }
 
 /**
  * Returns the maximum client size, not the maximum frame size.
  */
 QSizeF Window::maxSize() const
 {
     return rules()->checkMaxSize(QSize(INT_MAX, INT_MAX));
 }
 
 /**
  * Returns the minimum client size, not the minimum frame size.
  */
 QSizeF Window::minSize() const
 {
     return rules()->checkMinSize(QSize(0, 0));
 }
 
 void Window::blockGeometryUpdates(bool block)
 {
     if (block) {
         if (m_blockGeometryUpdates == 0) {
             m_pendingMoveResizeMode = MoveResizeMode::None;
         }
         ++m_blockGeometryUpdates;
     } else {
         if (--m_blockGeometryUpdates == 0) {
             if (m_pendingMoveResizeMode != MoveResizeMode::None) {
                 moveResizeInternal(moveResizeGeometry(), m_pendingMoveResizeMode);
                 m_pendingMoveResizeMode = MoveResizeMode::None;
             }
         }
     }
 }
 
 void Window::maximize(MaximizeMode mode)
 {
     qCWarning(KWIN_CORE, "%s doesn't support setting maximized state", metaObject()->className());
 }
 
 void Window::setMaximize(bool vertically, bool horizontally)
 {
     MaximizeMode mode = MaximizeRestore;
     if (vertically) {
         mode = MaximizeMode(mode | MaximizeVertical);
     }
     if (horizontally) {
         mode = MaximizeMode(mode | MaximizeHorizontal);
     }
 
     maximize(mode);
 }
 
 bool Window::startInteractiveMoveResize()
 {
     Q_ASSERT(!isInteractiveMoveResize());
     Q_ASSERT(QWidget::keyboardGrabber() == nullptr);
     Q_ASSERT(QWidget::mouseGrabber() == nullptr);
     stopDelayedInteractiveMoveResize();
     if (QApplication::activePopupWidget() != nullptr) {
         return false; // popups have grab
     }
     if (isRequestedFullScreen() && (workspace()->outputs().count() < 2 || !isMovableAcrossScreens())) {
         return false;
     }
     if (!doStartInteractiveMoveResize()) {
         return false;
     }
 
     invalidateDecorationDoubleClickTimer();
 
     setInteractiveMoveResize(true);
     workspace()->setMoveResizeWindow(this);
 
     m_interactiveMoveResize.initialGeometry = moveResizeGeometry();
     m_interactiveMoveResize.startOutput = moveResizeOutput();
     m_interactiveMoveResize.initialMaximizeMode = requestedMaximizeMode();
     m_interactiveMoveResize.initialQuickTileMode = quickTileMode();
     m_interactiveMoveResize.initialGeometryRestore = geometryRestore();
 
     if (requestedMaximizeMode() != MaximizeRestore) {
         switch (interactiveMoveResizeGravity()) {
         case Gravity::Left:
         case Gravity::Right:
             // Quit maximized horizontally state if the window is resized horizontally.
             if (requestedMaximizeMode() & MaximizeHorizontal) {
                 QRectF originalGeometry = geometryRestore();
                 originalGeometry.setX(moveResizeGeometry().x());
                 originalGeometry.setWidth(moveResizeGeometry().width());
                 setGeometryRestore(originalGeometry);
                 maximize(requestedMaximizeMode() ^ MaximizeHorizontal);
             }
             break;
         case Gravity::Top:
         case Gravity::Bottom:
             // Quit maximized vertically state if the window is resized vertically.
             if (requestedMaximizeMode() & MaximizeVertical) {
                 QRectF originalGeometry = geometryRestore();
                 originalGeometry.setY(moveResizeGeometry().y());
                 originalGeometry.setHeight(moveResizeGeometry().height());
                 setGeometryRestore(originalGeometry);
                 maximize(requestedMaximizeMode() ^ MaximizeVertical);
             }
             break;
         case Gravity::TopLeft:
         case Gravity::BottomLeft:
         case Gravity::TopRight:
         case Gravity::BottomRight:
             // Quit the maximized mode if the window is resized by dragging one of its corners.
             setGeometryRestore(moveResizeGeometry());
             maximize(MaximizeRestore);
             break;
         default:
             break;
         }
     }
 
     if (m_tile && !m_tile->supportsResizeGravity(interactiveMoveResizeGravity())) {
         setQuickTileMode(QuickTileFlag::None);
     }
 
     updateElectricGeometryRestore();
     checkUnrestrictedInteractiveMoveResize();
     Q_EMIT interactiveMoveResizeStarted();
     if (workspace()->screenEdges()->isDesktopSwitchingMovingClients()) {
         workspace()->screenEdges()->reserveDesktopSwitching(true, Qt::Vertical | Qt::Horizontal);
     }
     return true;
 }
 
 void Window::finishInteractiveMoveResize(bool cancel)
 {
     const bool wasMove = isInteractiveMove();
     GeometryUpdatesBlocker blocker(this);
     leaveInteractiveMoveResize();
 
     doFinishInteractiveMoveResize();
 
     if (cancel) {
         moveResize(initialInteractiveMoveResizeGeometry());
         if (m_interactiveMoveResize.initialMaximizeMode != MaximizeMode::MaximizeRestore) {
             setMaximize(m_interactiveMoveResize.initialMaximizeMode & MaximizeMode::MaximizeVertical, m_interactiveMoveResize.initialMaximizeMode & MaximizeMode::MaximizeHorizontal);
             setGeometryRestore(m_interactiveMoveResize.initialGeometryRestore);
         } else if (m_interactiveMoveResize.initialQuickTileMode) {
             setQuickTileMode(m_interactiveMoveResize.initialQuickTileMode, true);
             setGeometryRestore(m_interactiveMoveResize.initialGeometryRestore);
         }
     } else if (moveResizeOutput() != interactiveMoveResizeStartOutput()) {
         workspace()->sendWindowToOutput(this, moveResizeOutput()); // checks rule validity
         if (isRequestedFullScreen() || requestedMaximizeMode() != MaximizeRestore) {
             checkWorkspacePosition();
         }
     }
 
     if (isElectricBorderMaximizing()) {
         setQuickTileMode(electricBorderMode());
         setElectricBorderMaximizing(false);
     } else if (wasMove && (input()->modifiersRelevantForGlobalShortcuts() & Qt::ShiftModifier)) {
         setQuickTileMode(QuickTileFlag::Custom);
     }
     setElectricBorderMode(QuickTileMode(QuickTileFlag::None));
     workspace()->outline()->hide();
 
     m_interactiveMoveResize.counter++;
     Q_EMIT interactiveMoveResizeFinished();
 }
 
 // This function checks if it actually makes sense to perform a restricted move/resize.
 // If e.g. the titlebar is already outside of the workarea, there's no point in performing
 // a restricted move resize, because then e.g. resize would also move the window (#74555).
 // NOTE: Most of it is duplicated from handleMoveResize().
 void Window::checkUnrestrictedInteractiveMoveResize()
 {
     if (isUnrestrictedInteractiveMoveResize()) {
         return;
     }
     const QRectF &moveResizeGeom = moveResizeGeometry();
     QRectF desktopArea = workspace()->clientArea(WorkArea, this, moveResizeGeom.center());
     int left_marge, right_marge, top_marge, bottom_marge, titlebar_marge;
     // restricted move/resize - keep at least part of the titlebar always visible
     // how much must remain visible when moved away in that direction
     left_marge = std::min(100. + borderRight(), moveResizeGeom.width());
     right_marge = std::min(100. + borderLeft(), moveResizeGeom.width());
     // width/height change with opaque resizing, use the initial ones
     titlebar_marge = initialInteractiveMoveResizeGeometry().height();
     top_marge = borderBottom();
     bottom_marge = borderTop();
     if (isInteractiveResize()) {
         if (moveResizeGeom.bottom() < desktopArea.top() + top_marge) {
             setUnrestrictedInteractiveMoveResize(true);
         }
         if (moveResizeGeom.top() > desktopArea.bottom() - bottom_marge) {
             setUnrestrictedInteractiveMoveResize(true);
         }
         if (moveResizeGeom.right() < desktopArea.left() + left_marge) {
             setUnrestrictedInteractiveMoveResize(true);
         }
         if (moveResizeGeom.left() > desktopArea.right() - right_marge) {
             setUnrestrictedInteractiveMoveResize(true);
         }
         if (!isUnrestrictedInteractiveMoveResize() && moveResizeGeom.top() < desktopArea.top()) { // titlebar mustn't go out
             setUnrestrictedInteractiveMoveResize(true);
         }
     }
     if (isInteractiveMove()) {
         if (moveResizeGeom.bottom() < desktopArea.top() + titlebar_marge) {
             setUnrestrictedInteractiveMoveResize(true);
         }
         // no need to check top_marge, titlebar_marge already handles it
         if (moveResizeGeom.top() > desktopArea.bottom() - bottom_marge) { // titlebar mustn't go out
             setUnrestrictedInteractiveMoveResize(true);
         }
         if (moveResizeGeom.right() < desktopArea.left() + left_marge) {
             setUnrestrictedInteractiveMoveResize(true);
         }
         if (moveResizeGeom.left() > desktopArea.right() - right_marge) {
             setUnrestrictedInteractiveMoveResize(true);
         }
     }
 }
 
 // When the user pressed mouse on the titlebar, don't activate move immediately,
 // since it may be just a click. Activate instead after a delay. Move used to be
 // activated only after moving by several pixels, but that looks bad.
 void Window::startDelayedInteractiveMoveResize()
 {
     Q_ASSERT(!m_interactiveMoveResize.delayedTimer);
     m_interactiveMoveResize.delayedTimer = new QTimer(this);
     m_interactiveMoveResize.delayedTimer->setSingleShot(true);
     connect(m_interactiveMoveResize.delayedTimer, &QTimer::timeout, this, [this]() {
         Q_ASSERT(isInteractiveMoveResizePointerButtonDown());
         if (!startInteractiveMoveResize()) {
             setInteractiveMoveResizePointerButtonDown(false);
         }
         updateCursor();
         stopDelayedInteractiveMoveResize();
     });
     m_interactiveMoveResize.delayedTimer->start(QApplication::startDragTime());
 }
 
 void Window::stopDelayedInteractiveMoveResize()
 {
     delete m_interactiveMoveResize.delayedTimer;
     m_interactiveMoveResize.delayedTimer = nullptr;
 }
 
 void Window::updateInteractiveMoveResize(const QPointF &currentGlobalCursor)
 {
     handleInteractiveMoveResize(pos(), currentGlobalCursor);
 }
 
 void Window::handleInteractiveMoveResize(const QPointF &local, const QPointF &global)
 {
     const QRectF oldGeo = moveResizeGeometry();
     handleInteractiveMoveResize(local.x(), local.y(), global.x(), global.y());
     if (!isRequestedFullScreen() && isInteractiveMove()) {
         if (quickTileMode() != QuickTileMode(QuickTileFlag::None) && oldGeo != moveResizeGeometry()) {
             GeometryUpdatesBlocker blocker(this);
             setQuickTileMode(QuickTileFlag::None);
             const QRectF &geom_restore = geometryRestore();
             setInteractiveMoveOffset(QPointF(double(interactiveMoveOffset().x()) / double(oldGeo.width()) * double(geom_restore.width()),
                                              double(interactiveMoveOffset().y()) / double(oldGeo.height()) * double(geom_restore.height())));
             if (rules()->checkMaximize(MaximizeRestore) == MaximizeRestore) {
                 setMoveResizeGeometry(geom_restore);
             }
             handleInteractiveMoveResize(local.x(), local.y(), global.x(), global.y()); // fix position
         }
 
         if (input()->modifiersRelevantForGlobalShortcuts() & Qt::ShiftModifier) {
             resetQuickTilingMaximizationZones();
             const auto &r = quickTileGeometry(QuickTileFlag::Custom, global);
             if (r.isEmpty()) {
                 workspace()->outline()->hide();
             } else {
                 if (!workspace()->outline()->isActive() || workspace()->outline()->geometry() != r.toRect()) {
                     workspace()->outline()->show(r.toRect(), moveResizeGeometry().toRect());
                 }
             }
         } else {
             if (quickTileMode() == QuickTileMode(QuickTileFlag::None) && isResizable()) {
                 checkQuickTilingMaximizationZones(global.x(), global.y());
             }
             if (!m_electricMaximizing) {
                 // Only if we are in an electric maximizing gesture we should keep the outline,
                 // otherwise we must make sure it's hidden
                 workspace()->outline()->hide();
             }
         }
     }
 }
 
 void Window::handleInteractiveMoveResize(qreal x, qreal y, qreal x_root, qreal y_root)
 {
     if (isWaitingForInteractiveMoveResizeSync()) {
         return; // we're still waiting for the client or the timeout
     }
 
     const Gravity gravity = interactiveMoveResizeGravity();
     if ((gravity == Gravity::None && !isMovableAcrossScreens())
         || (gravity != Gravity::None && (isShade() || !isResizable()))) {
         return;
     }
 
     if (!isInteractiveMoveResize()) {
         QPointF p(QPointF(x /* - padding_left*/, y /* - padding_top*/) - interactiveMoveOffset());
         if (p.manhattanLength() >= QApplication::startDragDistance()) {
             if (!startInteractiveMoveResize()) {
                 setInteractiveMoveResizePointerButtonDown(false);
                 updateCursor();
                 return;
             }
             updateCursor();
         } else {
             return;
         }
     }
 
     // ShadeHover or ShadeActive, ShadeNormal was already avoided above
     if (gravity != Gravity::None && shadeMode() != ShadeNone) {
         setShade(ShadeNone);
     }
 
     QPointF globalPos(x_root, y_root);
     // these two points limit the geometry rectangle, i.e. if bottomleft resizing is done,
     // the bottomleft corner should be at is at (topleft.x(), bottomright().y())
     QPointF topleft = globalPos - interactiveMoveOffset();
     QPointF bottomright = globalPos + invertedInteractiveMoveOffset();
     const QRectF currentMoveResizeGeom = moveResizeGeometry();
     QRectF nextMoveResizeGeom = moveResizeGeometry();
 
     // TODO move whole group when moving its leader or when the leader is not mapped?
 
     auto titleBarRect = [this](const QRectF &rect, bool &transposed, int &requiredPixels) -> QRectF {
         QRectF titleRect = rect;
         titleRect.moveTopLeft(QPointF(0, 0));
         switch (titlebarPosition()) {
         default:
         case Qt::TopEdge:
             titleRect.setHeight(borderTop());
             break;
         case Qt::LeftEdge:
             titleRect.setWidth(borderLeft());
             transposed = true;
             break;
         case Qt::BottomEdge:
             titleRect.setTop(titleRect.bottom() - borderBottom());
             break;
         case Qt::RightEdge:
             titleRect.setLeft(titleRect.right() - borderRight());
             transposed = true;
             break;
         }
         // When doing a restricted move we must always keep 100px of the titlebar
         // visible to allow the user to be able to move it again.
         requiredPixels = std::min(100 * (transposed ? titleRect.width() : titleRect.height()),
                                   rect.width() * rect.height());
         return titleRect;
     };
 
     if (isInteractiveResize()) {
         if (m_tile && m_tile->supportsResizeGravity(gravity)) {
             m_tile->resizeFromGravity(gravity, x_root, y_root);
             return;
         }
 
         QRectF orig = initialInteractiveMoveResizeGeometry();
         SizeMode sizeMode = SizeModeAny;
         auto calculateMoveResizeGeom = [&topleft, &bottomright, &orig, &nextMoveResizeGeom, &sizeMode, &gravity]() {
             switch (gravity) {
             case Gravity::TopLeft:
                 nextMoveResizeGeom = QRectF(topleft, orig.bottomRight());
                 break;
             case Gravity::BottomRight:
                 nextMoveResizeGeom = QRectF(orig.topLeft(), bottomright);
                 break;
             case Gravity::BottomLeft:
                 nextMoveResizeGeom = QRectF(QPointF(topleft.x(), orig.y()), QPointF(orig.right(), bottomright.y()));
                 break;
             case Gravity::TopRight:
                 nextMoveResizeGeom = QRectF(QPointF(orig.x(), topleft.y()), QPointF(bottomright.x(), orig.bottom()));
                 break;
             case Gravity::Top:
                 nextMoveResizeGeom = QRectF(QPointF(orig.left(), topleft.y()), orig.bottomRight());
                 sizeMode = SizeModeFixedH; // try not to affect height
                 break;
             case Gravity::Bottom:
                 nextMoveResizeGeom = QRectF(orig.topLeft(), QPointF(orig.right(), bottomright.y()));
                 sizeMode = SizeModeFixedH;
                 break;
             case Gravity::Left:
                 nextMoveResizeGeom = QRectF(QPointF(topleft.x(), orig.top()), orig.bottomRight());
                 sizeMode = SizeModeFixedW;
                 break;
             case Gravity::Right:
                 nextMoveResizeGeom = QRectF(orig.topLeft(), QPointF(bottomright.x(), orig.bottom()));
                 sizeMode = SizeModeFixedW;
                 break;
             case Gravity::None:
                 Q_UNREACHABLE();
                 break;
             }
         };
 
         // first resize (without checking constrains), then snap, then check bounds, then check constrains
         calculateMoveResizeGeom();
         // adjust new size to snap to other windows/borders
         nextMoveResizeGeom = workspace()->adjustWindowSize(this, nextMoveResizeGeom, gravity);
 
         if (!isUnrestrictedInteractiveMoveResize()) {
             // Make sure the titlebar isn't behind a restricted area. We don't need to restrict
             // the other directions. If not visible enough, move the window to the closest valid
             // point. We bruteforce this by slowly moving the window back to its previous position
             const StrutRects strut = workspace()->restrictedMoveArea(VirtualDesktopManager::self()->currentDesktop());
             QRegion availableArea(workspace()->clientArea(FullArea, this, workspace()->activeOutput()).toRect());
             for (const QRect &rect : strut) {
                 availableArea -= rect;
             }
             bool transposed = false;
             int requiredPixels;
             QRectF bTitleRect = titleBarRect(nextMoveResizeGeom, transposed, requiredPixels);
             int lastVisiblePixels = -1;
             QRectF lastTry = nextMoveResizeGeom;
             bool titleFailed = false;
             for (;;) {
                 const QRect titleRect = bTitleRect.translated(nextMoveResizeGeom.topLeft()).toRect();
                 int visiblePixels = 0;
                 int realVisiblePixels = 0;
                 for (const QRect &rect : availableArea) {
                     const QRect r = rect & titleRect;
                     realVisiblePixels += r.width() * r.height();
                     if ((transposed && r.width() == titleRect.width()) || // Only the full size regions...
                         (!transposed && r.height() == titleRect.height())) { // ...prevents long slim areas
                         visiblePixels += r.width() * r.height();
                     }
                 }
 
                 if (visiblePixels >= requiredPixels) {
                     break; // We have reached a valid position
                 }
 
                 if (realVisiblePixels <= lastVisiblePixels) {
                     if (titleFailed && realVisiblePixels < lastVisiblePixels) {
                         break; // we won't become better
                     } else {
                         if (!titleFailed) {
                             nextMoveResizeGeom = lastTry;
                         }
                         titleFailed = true;
                     }
                 }
                 lastVisiblePixels = realVisiblePixels;
                 QRectF currentTry = nextMoveResizeGeom;
                 lastTry = currentTry;
 
                 // Not visible enough, move the window to the closest valid point. We bruteforce
                 // this by slowly moving the window back to its previous position.
                 // The geometry changes at up to two edges, the one with the title (if) shall take
                 // precedence. The opposing edge has no impact on visiblePixels and only one of
                 // the adjacent can alter at a time, ie. it's enough to ignore adjacent edges
                 // if the title edge altered
                 bool leftChanged = !qFuzzyCompare(currentMoveResizeGeom.left(), currentTry.left());
                 bool rightChanged = !qFuzzyCompare(currentMoveResizeGeom.right(), currentTry.right());
                 bool topChanged = !qFuzzyCompare(currentMoveResizeGeom.top(), currentTry.top());
                 bool btmChanged = !qFuzzyCompare(currentMoveResizeGeom.bottom(), currentTry.bottom());
                 auto fixChangedState = [titleFailed](bool &major, bool &counter, bool &ad1, bool &ad2) {
                     counter = false;
                     if (titleFailed) {
                         major = false;
                     }
                     if (major) {
                         ad1 = ad2 = false;
                     }
                 };
                 switch (titlebarPosition()) {
                 default:
                 case Qt::TopEdge:
                     fixChangedState(topChanged, btmChanged, leftChanged, rightChanged);
                     break;
                 case Qt::LeftEdge:
                     fixChangedState(leftChanged, rightChanged, topChanged, btmChanged);
                     break;
                 case Qt::BottomEdge:
                     fixChangedState(btmChanged, topChanged, leftChanged, rightChanged);
                     break;
                 case Qt::RightEdge:
                     fixChangedState(rightChanged, leftChanged, topChanged, btmChanged);
                     break;
                 }
                 if (topChanged) {
                     currentTry.setTop(currentTry.y() + qBound(-1.0, currentMoveResizeGeom.y() - currentTry.y(), 1.0));
                 } else if (leftChanged) {
                     currentTry.setLeft(currentTry.x() + qBound(-1.0, currentMoveResizeGeom.x() - currentTry.x(), 1.0));
                 } else if (btmChanged) {
                     currentTry.setBottom(currentTry.bottom() + qBound(-1.0, currentMoveResizeGeom.bottom() - currentTry.bottom(), 1.0));
                 } else if (rightChanged) {
                     currentTry.setRight(currentTry.right() + qBound(-1.0, currentMoveResizeGeom.right() - currentTry.right(), 1.0));
                 } else {
                     break; // no position changed - that's certainly not good
                 }
                 nextMoveResizeGeom = currentTry;
             }
         }
 
         // Always obey size hints, even when in "unrestricted" mode
         QSizeF size = constrainFrameSize(nextMoveResizeGeom.size(), sizeMode);
         // the new topleft and bottomright corners (after checking size constrains), if they'll be needed
         topleft = QPointF(nextMoveResizeGeom.right() - size.width(), nextMoveResizeGeom.bottom() - size.height());
         bottomright = QPointF(nextMoveResizeGeom.left() + size.width(), nextMoveResizeGeom.top() + size.height());
         orig = nextMoveResizeGeom;
 
         // if aspect ratios are specified, both dimensions may change.
         // Therefore grow to the right/bottom if needed.
         // TODO it should probably obey gravity rather than always using right/bottom ?
         if (sizeMode == SizeModeFixedH) {
             orig.setRight(bottomright.x());
         } else if (sizeMode == SizeModeFixedW) {
             orig.setBottom(bottomright.y());
         }
 
         calculateMoveResizeGeom();
     } else if (isInteractiveMove()) {
         Q_ASSERT(gravity == Gravity::None);
         if (!isMovable()) { // isMovableAcrossScreens() must have been true to get here
             // Special moving of maximized windows on Xinerama screens
             Output *output = workspace()->outputAt(globalPos);
             if (isRequestedFullScreen()) {
                 nextMoveResizeGeom = workspace()->clientArea(FullScreenArea, this, output);
             } else {
                 nextMoveResizeGeom = workspace()->clientArea(MaximizeArea, this, output);
                 const QSizeF adjSize = constrainFrameSize(nextMoveResizeGeom.size(), SizeModeMax);
                 if (adjSize != nextMoveResizeGeom.size()) {
                     QRectF r(nextMoveResizeGeom);
                     nextMoveResizeGeom.setSize(adjSize);
                     nextMoveResizeGeom.moveCenter(r.center());
                 }
             }
         } else {
             // first move, then snap, then check bounds
             QRectF geometry = nextMoveResizeGeom;
             geometry.moveTopLeft(topleft);
             geometry.moveTopLeft(workspace()->adjustWindowPosition(this, geometry.topLeft(),
                                                                    isUnrestrictedInteractiveMoveResize()));
             nextMoveResizeGeom = geometry;
 
             if (!isUnrestrictedInteractiveMoveResize()) {
                 const StrutRects strut = workspace()->restrictedMoveArea(VirtualDesktopManager::self()->currentDesktop());
                 QRegion availableArea(workspace()->clientArea(FullArea, this, workspace()->activeOutput()).toRect());
                 for (const QRect &rect : strut) {
                     availableArea -= rect; // Strut areas
                 }
                 bool transposed = false;
                 int requiredPixels;
                 QRectF bTitleRect = titleBarRect(nextMoveResizeGeom, transposed, requiredPixels);
                 for (;;) {
                     QRectF currentTry = nextMoveResizeGeom;
                     const QRect titleRect = bTitleRect.translated(currentTry.topLeft()).toRect();
                     int visiblePixels = 0;
                     for (const QRect &rect : availableArea) {
                         const QRect r = rect & titleRect;
                         if ((transposed && r.width() == titleRect.width()) || // Only the full size regions...
                             (!transposed && r.height() == titleRect.height())) { // ...prevents long slim areas
                             visiblePixels += r.width() * r.height();
                         }
                     }
                     if (visiblePixels >= requiredPixels) {
                         break; // We have reached a valid position
                     }
 
                     // (esp.) if there're more screens with different struts (panels) it the titlebar
                     // will be movable outside the movearea (covering one of the panels) until it
                     // crosses the panel "too much" (not enough visiblePixels) and then stucks because
                     // it's usually only pushed by 1px to either direction
                     // so we first check whether we intersect suc strut and move the window below it
                     // immediately (it's still possible to hit the visiblePixels >= titlebarArea break
                     // by moving the window slightly downwards, but it won't stuck)
                     // see bug #274466
                     // and bug #301805 for why we can't just match the titlearea against the screen
                     if (workspace()->outputs().count() > 1) { // optimization
                         // TODO: could be useful on partial screen struts (half-width panels etc.)
                         int newTitleTop = -1;
                         for (const QRect &region : strut) {
                             QRectF r = region;
                             if (r.top() == 0 && r.width() > r.height() && // "top panel"
                                 r.intersects(currentTry) && currentTry.top() < r.bottom()) {
                                 newTitleTop = r.bottom();
                                 break;
                             }
                         }
                         if (newTitleTop > -1) {
                             currentTry.moveTop(newTitleTop); // invalid position, possibly on screen change
                             nextMoveResizeGeom = currentTry;
                             break;
                         }
                     }
 
                     int dx = sign(currentMoveResizeGeom.x() - currentTry.x()),
                         dy = sign(currentMoveResizeGeom.y() - currentTry.y());
                     if (visiblePixels && dx) { // means there's no full width cap -> favor horizontally
                         dy = 0;
                     } else if (dy) {
                         dx = 0;
                     }
 
                     // Move it back
                     currentTry.translate(dx, dy);
                     nextMoveResizeGeom = currentTry;
 
                     // sinces nextMoveResizeGeom is fractional, at best it is within 1 unit of currentMoveResizeGeom
                     if (std::abs(currentMoveResizeGeom.left() - nextMoveResizeGeom.left()) <= 1.0
                         && std::abs(currentMoveResizeGeom.right() - nextMoveResizeGeom.right()) <= 1.0
                         && std::abs(currentMoveResizeGeom.top() - nextMoveResizeGeom.top()) <= 1.0
                         && std::abs(currentMoveResizeGeom.bottom() - nextMoveResizeGeom.bottom()) <= 1.0) {
                         break; // Prevent lockup
                     }
                 }
             }
         }
     } else {
         Q_UNREACHABLE();
     }
 
     if (nextMoveResizeGeom != currentMoveResizeGeom) {
         if (isInteractiveMove()) {
             move(nextMoveResizeGeom.topLeft());
         } else {
             doInteractiveResizeSync(nextMoveResizeGeom);
         }
 
         Q_EMIT interactiveMoveResizeStepped(nextMoveResizeGeom);
     }
 }
 
 StrutRect Window::strutRect(StrutArea area) const
 {
     return StrutRect();
 }
 
 StrutRects Window::strutRects() const
 {
     StrutRects region;
     if (const StrutRect strut = strutRect(StrutAreaTop); strut.isValid()) {
         region += strut;
     }
     if (const StrutRect strut = strutRect(StrutAreaRight); strut.isValid()) {
         region += strut;
     }
     if (const StrutRect strut = strutRect(StrutAreaBottom); strut.isValid()) {
         region += strut;
     }
     if (const StrutRect strut = strutRect(StrutAreaLeft); strut.isValid()) {
         region += strut;
     }
     return region;
 }
 
 bool Window::hasStrut() const
 {
     return false;
 }
 
 void Window::setupWindowManagementInterface()
 {
     if (m_windowManagementInterface) {
         // already setup
         return;
     }
     if (!waylandServer() || !waylandServer()->windowManagement()) {
         return;
     }
     auto w = waylandServer()->windowManagement()->createWindow(this, internalId());
     w->setTitle(caption());
     w->setActive(isActive());
     w->setFullscreen(isFullScreen());
     w->setKeepAbove(keepAbove());
     w->setKeepBelow(keepBelow());
     w->setMaximized(maximizeMode() == KWin::MaximizeFull);
     w->setMinimized(isMinimized());
     w->setDemandsAttention(isDemandingAttention());
     w->setCloseable(isCloseable());
     w->setMaximizeable(isMaximizable());
     w->setMinimizeable(isMinimizable());
     w->setFullscreenable(isFullScreenable());
     w->setApplicationMenuPaths(applicationMenuServiceName(), applicationMenuObjectPath());
     w->setIcon(icon());
     auto updateAppId = [this, w] {
         w->setResourceName(resourceName());
         w->setAppId(m_desktopFileName.isEmpty() ? resourceClass() : m_desktopFileName);
     };
     updateAppId();
     w->setSkipTaskbar(skipTaskbar());
     w->setSkipSwitcher(skipSwitcher());
     w->setPid(pid());
     w->setShadeable(isShadeable());
     w->setShaded(isShade());
     w->setResizable(isResizable());
     w->setMovable(isMovable());
     w->setVirtualDesktopChangeable(true); // FIXME Matches X11Window::actionSupported(), but both should be implemented.
     w->setParentWindow(transientFor() ? transientFor()->windowManagementInterface() : nullptr);
     w->setGeometry(frameGeometry().toRect());
     connect(this, &Window::skipTaskbarChanged, w, [w, this]() {
         w->setSkipTaskbar(skipTaskbar());
     });
     connect(this, &Window::skipSwitcherChanged, w, [w, this]() {
         w->setSkipSwitcher(skipSwitcher());
     });
     connect(this, &Window::captionChanged, w, [w, this] {
         w->setTitle(caption());
     });
 
     connect(this, &Window::activeChanged, w, [w, this] {
         w->setActive(isActive());
     });
     connect(this, &Window::fullScreenChanged, w, [w, this] {
         w->setFullscreen(isFullScreen());
     });
     connect(this, &Window::keepAboveChanged, w, &PlasmaWindowInterface::setKeepAbove);
     connect(this, &Window::keepBelowChanged, w, &PlasmaWindowInterface::setKeepBelow);
     connect(this, &Window::minimizedChanged, w, [w, this] {
         w->setMinimized(isMinimized());
     });
     connect(this, &Window::maximizedChanged, w, [w, this]() {
         w->setMaximized(maximizeMode() == MaximizeFull);
     });
     connect(this, &Window::demandsAttentionChanged, w, [w, this] {
         w->setDemandsAttention(isDemandingAttention());
     });
     connect(this, &Window::iconChanged, w, [w, this]() {
         w->setIcon(icon());
     });
     connect(this, &Window::windowClassChanged, w, updateAppId);
     connect(this, &Window::desktopFileNameChanged, w, updateAppId);
     connect(this, &Window::shadeChanged, w, [w, this] {
         w->setShaded(isShade());
     });
     connect(this, &Window::transientChanged, w, [w, this]() {
         w->setParentWindow(transientFor() ? transientFor()->windowManagementInterface() : nullptr);
     });
     connect(this, &Window::frameGeometryChanged, w, [w, this]() {
         w->setGeometry(frameGeometry().toRect());
     });
     connect(this, &Window::applicationMenuChanged, w, [w, this]() {
         w->setApplicationMenuPaths(applicationMenuServiceName(), applicationMenuObjectPath());
     });
     connect(w, &PlasmaWindowInterface::closeRequested, this, [this] {
         closeWindow();
     });
     connect(w, &PlasmaWindowInterface::moveRequested, this, [this]() {
         Cursors::self()->mouse()->setPos(frameGeometry().center());
         performMouseCommand(Options::MouseMove, Cursors::self()->mouse()->pos());
     });
     connect(w, &PlasmaWindowInterface::resizeRequested, this, [this]() {
         Cursors::self()->mouse()->setPos(frameGeometry().bottomRight());
         performMouseCommand(Options::MouseResize, Cursors::self()->mouse()->pos());
     });
     connect(w, &PlasmaWindowInterface::fullscreenRequested, this, [this](bool set) {
         setFullScreen(set);
     });
     connect(w, &PlasmaWindowInterface::minimizedRequested, this, [this](bool set) {
         setMinimized(set);
     });
     connect(w, &PlasmaWindowInterface::maximizedRequested, this, [this](bool set) {
         maximize(set ? MaximizeFull : MaximizeRestore);
     });
     connect(w, &PlasmaWindowInterface::keepAboveRequested, this, [this](bool set) {
         setKeepAbove(set);
     });
     connect(w, &PlasmaWindowInterface::keepBelowRequested, this, [this](bool set) {
         setKeepBelow(set);
     });
     connect(w, &PlasmaWindowInterface::demandsAttentionRequested, this, [this](bool set) {
         demandAttention(set);
     });
     connect(w, &PlasmaWindowInterface::activeRequested, this, [this](bool set) {
         if (set) {
             workspace()->activateWindow(this, true);
         }
     });
     connect(w, &PlasmaWindowInterface::shadedRequested, this, [this](bool set) {
         setShade(set);
     });
 
     for (const auto vd : std::as_const(m_desktops)) {
         w->addPlasmaVirtualDesktop(vd->id());
     }
     // We need to set `OnAllDesktops` after the actual VD list has been added.
     // Otherwise it will unconditionally add the current desktop to the interface
     // which may not be the case, for example, when using rules
     w->setOnAllDesktops(isOnAllDesktops());
 
     // Plasma Virtual desktop management
     // show/hide when the window enters/exits from desktop
     connect(w, &PlasmaWindowInterface::enterPlasmaVirtualDesktopRequested, this, [this](const QString &desktopId) {
         VirtualDesktop *vd = VirtualDesktopManager::self()->desktopForId(desktopId);
         if (vd) {
             enterDesktop(vd);
         }
     });
     connect(w, &PlasmaWindowInterface::enterNewPlasmaVirtualDesktopRequested, this, [this]() {
         VirtualDesktopManager::self()->setCount(VirtualDesktopManager::self()->count() + 1);
         enterDesktop(VirtualDesktopManager::self()->desktops().last());
     });
     connect(w, &PlasmaWindowInterface::leavePlasmaVirtualDesktopRequested, this, [this](const QString &desktopId) {
         VirtualDesktop *vd = VirtualDesktopManager::self()->desktopForId(desktopId);
         if (vd) {
             leaveDesktop(vd);
         }
     });
 
     for (const auto &activity : std::as_const(m_activityList)) {
         w->addPlasmaActivity(activity);
     }
 
     connect(this, &Window::activitiesChanged, w, [w, this] {
         const auto newActivities = QSet<QString>(m_activityList.begin(), m_activityList.end());
         const auto oldActivitiesList = w->plasmaActivities();
         const auto oldActivities = QSet<QString>(oldActivitiesList.begin(), oldActivitiesList.end());
 
         const auto activitiesToAdd = newActivities - oldActivities;
         for (const auto &activity : activitiesToAdd) {
             w->addPlasmaActivity(activity);
         }
 
         const auto activitiesToRemove = oldActivities - newActivities;
         for (const auto &activity : activitiesToRemove) {
             w->removePlasmaActivity(activity);
         }
     });
 
     // Plasma Activities management
     // show/hide when the window enters/exits activity
     connect(w, &PlasmaWindowInterface::enterPlasmaActivityRequested, this, [this](const QString &activityId) {
         setOnActivity(activityId, true);
     });
     connect(w, &PlasmaWindowInterface::leavePlasmaActivityRequested, this, [this](const QString &activityId) {
         setOnActivity(activityId, false);
     });
     connect(w, &PlasmaWindowInterface::sendToOutput, this, [this](OutputInterface *output) {
         sendToOutput(output->handle());
     });
 
     m_windowManagementInterface = w;
 }
 
 void Window::destroyWindowManagementInterface()
 {
     delete m_windowManagementInterface;
     m_windowManagementInterface = nullptr;
 }
 
 Options::MouseCommand Window::getMouseCommand(Qt::MouseButton button, bool *handled) const
 {
     *handled = false;
     if (button == Qt::NoButton) {
         return Options::MouseNothing;
     }
     if (isActive()) {
         if (options->isClickRaise() && !isMostRecentlyRaised()) {
             *handled = true;
             return Options::MouseActivateRaiseAndPassClick;
         }
     } else {
         *handled = true;
         switch (button) {
         case Qt::LeftButton:
             return options->commandWindow1();
         case Qt::MiddleButton:
             return options->commandWindow2();
         case Qt::RightButton:
             return options->commandWindow3();
         default:
             // all other buttons pass Activate & Pass Client
             return Options::MouseActivateAndPassClick;
         }
     }
     return Options::MouseNothing;
 }
 
 Options::MouseCommand Window::getWheelCommand(Qt::Orientation orientation, bool *handled) const
 {
     *handled = false;
     if (orientation != Qt::Vertical) {
         return Options::MouseNothing;
     }
     if (!isActive()) {
         *handled = true;
         return options->commandWindowWheel();
     }
     return Options::MouseNothing;
 }
 
 bool Window::performMouseCommand(Options::MouseCommand cmd, const QPointF &globalPos)
 {
     bool replay = false;
     switch (cmd) {
     case Options::MouseRaise:
         workspace()->raiseWindow(this);
         break;
     case Options::MouseLower: {
         workspace()->lowerWindow(this);
         // used to be activateNextWindow(this), then topWindowOnDesktop
         // since this is a mouseOp it's however safe to use the window under the mouse instead
         if (isActive() && options->focusPolicyIsReasonable()) {
             Window *next = workspace()->windowUnderMouse(output());
             if (next && next != this) {
                 workspace()->requestFocus(next, false);
             }
         }
         break;
     }
     case Options::MouseOperationsMenu:
         if (isActive() && options->isClickRaise()) {
             autoRaise();
         }
         workspace()->showWindowMenu(QRect(globalPos.toPoint(), globalPos.toPoint()), this);
         break;
     case Options::MouseToggleRaiseAndLower:
         workspace()->raiseOrLowerWindow(this);
         break;
     case Options::MouseActivateAndRaise: {
         replay = isActive(); // for clickraise mode
         bool mustReplay = !rules()->checkAcceptFocus(acceptsFocus());
         if (mustReplay) {
             auto it = workspace()->stackingOrder().constEnd(),
                  begin = workspace()->stackingOrder().constBegin();
             while (mustReplay && --it != begin && *it != this) {
                 auto c = *it;
                 if (!c->isClient() || (c->keepAbove() && !keepAbove()) || (keepBelow() && !c->keepBelow())) {
                     continue; // can never raise above "it"
                 }
                 mustReplay = !(c->isOnCurrentDesktop() && c->isOnCurrentActivity() && c->frameGeometry().intersects(frameGeometry()));
             }
         }
         workspace()->takeActivity(this, Workspace::ActivityFocus | Workspace::ActivityRaise);
         workspace()->setActiveOutput(globalPos);
         replay = replay || mustReplay;
         break;
     }
     case Options::MouseActivateAndLower:
         workspace()->requestFocus(this);
         workspace()->lowerWindow(this);
         workspace()->setActiveOutput(globalPos);
         replay = replay || !rules()->checkAcceptFocus(acceptsFocus());
         break;
     case Options::MouseActivate:
         replay = isActive(); // for clickraise mode
         workspace()->takeActivity(this, Workspace::ActivityFocus);
         workspace()->setActiveOutput(globalPos);
         replay = replay || !rules()->checkAcceptFocus(acceptsFocus());
         break;
     case Options::MouseActivateRaiseAndPassClick:
         workspace()->takeActivity(this, Workspace::ActivityFocus | Workspace::ActivityRaise);
         workspace()->setActiveOutput(globalPos);
         replay = true;
         break;
     case Options::MouseActivateAndPassClick:
         workspace()->takeActivity(this, Workspace::ActivityFocus);
         workspace()->setActiveOutput(globalPos);
         replay = true;
         break;
     case Options::MouseMaximize:
         maximize(MaximizeFull);
         break;
     case Options::MouseRestore:
         maximize(MaximizeRestore);
         break;
     case Options::MouseMinimize:
         setMinimized(true);
         break;
     case Options::MouseAbove: {
         StackingUpdatesBlocker blocker(workspace());
         if (keepBelow()) {
             setKeepBelow(false);
         } else {
             setKeepAbove(true);
         }
         break;
     }
     case Options::MouseBelow: {
         StackingUpdatesBlocker blocker(workspace());
         if (keepAbove()) {
             setKeepAbove(false);
         } else {
             setKeepBelow(true);
         }
         break;
     }
     case Options::MousePreviousDesktop:
         workspace()->windowToPreviousDesktop(this);
         break;
     case Options::MouseNextDesktop:
         workspace()->windowToNextDesktop(this);
         break;
     case Options::MouseOpacityMore:
         if (!isDesktop()) { // No point in changing the opacity of the desktop
             setOpacity(std::min(opacity() + 0.1, 1.0));
         }
         break;
     case Options::MouseOpacityLess:
         if (!isDesktop()) { // No point in changing the opacity of the desktop
             setOpacity(std::max(opacity() - 0.1, 0.1));
         }
         break;
     case Options::MouseClose:
         closeWindow();
         break;
     case Options::MouseActivateRaiseAndMove:
     case Options::MouseActivateRaiseAndUnrestrictedMove:
         workspace()->raiseWindow(this);
         workspace()->requestFocus(this);
         workspace()->setActiveOutput(globalPos);
         // fallthrough
     case Options::MouseMove:
     case Options::MouseUnrestrictedMove: {
         if (!isMovableAcrossScreens()) {
             replay = true;
             break;
         }
         if (isInteractiveMoveResize()) {
             finishInteractiveMoveResize(false);
         }
         setInteractiveMoveResizeGravity(Gravity::None);
         setInteractiveMoveResizePointerButtonDown(true);
         setInteractiveMoveOffset(QPointF(globalPos.x() - x(), globalPos.y() - y())); // map from global
         setInvertedInteractiveMoveOffset(rect().bottomRight() - interactiveMoveOffset());
         setUnrestrictedInteractiveMoveResize((cmd == Options::MouseActivateRaiseAndUnrestrictedMove
                                               || cmd == Options::MouseUnrestrictedMove));
         if (!startInteractiveMoveResize()) {
             setInteractiveMoveResizePointerButtonDown(false);
         }
         updateCursor();
         break;
     }
     case Options::MouseResize:
     case Options::MouseUnrestrictedResize: {
         if (!isResizable() || isShade()) {
             break;
         }
         if (isInteractiveMoveResize()) {
             finishInteractiveMoveResize(false);
         }
         setInteractiveMoveResizePointerButtonDown(true);
         const QPointF moveOffset = QPointF(globalPos.x() - x(), globalPos.y() - y()); // map from global
         setInteractiveMoveOffset(moveOffset);
         int x = moveOffset.x(), y = moveOffset.y();
         bool left = x < width() / 3;
         bool right = x >= 2 * width() / 3;
         bool top = y < height() / 3;
         bool bot = y >= 2 * height() / 3;
         Gravity gravity;
         if (top) {
             gravity = left ? Gravity::TopLeft : (right ? Gravity::TopRight : Gravity::Top);
         } else if (bot) {
             gravity = left ? Gravity::BottomLeft : (right ? Gravity::BottomRight : Gravity::Bottom);
         } else {
             gravity = (x < width() / 2) ? Gravity::Left : Gravity::Right;
         }
         setInteractiveMoveResizeGravity(gravity);
         setInvertedInteractiveMoveOffset(rect().bottomRight() - moveOffset);
         setUnrestrictedInteractiveMoveResize((cmd == Options::MouseUnrestrictedResize));
         if (!startInteractiveMoveResize()) {
             setInteractiveMoveResizePointerButtonDown(false);
         }
         updateCursor();
         break;
     }
     case Options::MouseShade:
         toggleShade();
         cancelShadeHoverTimer();
         break;
     case Options::MouseSetShade:
         setShade(ShadeNormal);
         cancelShadeHoverTimer();
         break;
     case Options::MouseUnsetShade:
         setShade(ShadeNone);
         cancelShadeHoverTimer();
         break;
     case Options::MouseNothing:
     default:
         replay = true;
         break;
     }
     return replay;
 }
 
 void Window::setTransientFor(Window *transientFor)
 {
     if (transientFor == this) {
         // cannot be transient for one self
         return;
     }
     if (m_transientFor == transientFor) {
         return;
     }
     m_transientFor = transientFor;
     Q_EMIT transientChanged();
 }
 
 const Window *Window::transientFor() const
 {
     return m_transientFor;
 }
 
 Window *Window::transientFor()
 {
     return m_transientFor;
 }
 
 bool Window::hasTransientPlacementHint() const
 {
     return false;
 }
 
 QRectF Window::transientPlacement() const
 {
     Q_UNREACHABLE();
     return QRectF();
 }
 
 bool Window::hasTransient(const Window *c, bool indirect) const
 {
     return c->transientFor() == this;
 }
 
 QList<Window *> Window::mainWindows() const
 {
     if (const Window *t = transientFor()) {
         return QList<Window *>{const_cast<Window *>(t)};
     }
     return QList<Window *>();
 }
 
 QList<Window *> Window::allMainWindows() const
 {
     auto result = mainWindows();
     for (const auto *window : result) {
         result += window->allMainWindows();
     }
     return result;
 }
 
 void Window::setModal(bool m)
 {
     // Qt-3.2 can have even modal normal windows :(
     if (m_modal == m) {
         return;
     }
     m_modal = m;
     Q_EMIT modalChanged();
     // Changing modality for a mapped window is weird (?)
     // _NET_WM_STATE_MODAL should possibly rather be _NET_WM_WINDOW_TYPE_MODAL_DIALOG
 }
 
 bool Window::isModal() const
 {
     return m_modal;
 }
 
 bool Window::isTransient() const
 {
     return false;
 }
 
 // check whether a transient should be actually kept above its mainwindow
 // there may be some special cases where this rule shouldn't be enfored
 static bool shouldKeepTransientAbove(const Window *parent, const Window *transient)
 {
     // #93832 - don't keep splashscreens above dialogs
     if (transient->isSplash() && parent->isDialog()) {
         return false;
     }
     // This is rather a hack for #76026. Don't keep non-modal dialogs above
     // the mainwindow, but only if they're group transient (since only such dialogs
     // have taskbar entry in Kicker). A proper way of doing this (both kwin and kicker)
     // needs to be found.
     if (transient->isDialog() && !transient->isModal() && transient->groupTransient()) {
         return false;
     }
     // #63223 - don't keep transients above docks, because the dock is kept high,
     // and e.g. dialogs for them would be too high too
     // ignore this if the transient has a placement hint which indicates it should go above it's parent
     if (parent->isDock() && !transient->hasTransientPlacementHint()) {
         return false;
     }
     return true;
 }
 
 void Window::addTransient(Window *cl)
 {
     Q_ASSERT(!m_transients.contains(cl));
     Q_ASSERT(cl != this);
     m_transients.append(cl);
     if (shouldKeepTransientAbove(this, cl)) {
         workspace()->constrain(this, cl);
     }
 }
 
 void Window::removeTransient(Window *cl)
 {
     m_transients.removeAll(cl);
     if (cl->transientFor() == this) {
         cl->setTransientFor(nullptr);
     }
     workspace()->unconstrain(this, cl);
 }
 
 void Window::removeTransientFromList(Window *cl)
 {
     m_transients.removeAll(cl);
 }
 
 bool Window::isActiveFullScreen() const
 {
     if (!isFullScreen()) {
         return false;
     }
 
     const auto ac = workspace()->mostRecentlyActivatedWindow(); // instead of activeWindow() - avoids flicker
     // according to NETWM spec implementation notes suggests
     // "focused windows having state _NET_WM_STATE_FULLSCREEN" to be on the highest layer.
     // we'll also take the screen into account
     return ac && (ac == this || !ac->isOnOutput(output()) || ac->allMainWindows().contains(const_cast<Window *>(this)));
 }
 
 int Window::borderBottom() const
 {
     return isDecorated() ? decoration()->borderBottom() : 0;
 }
 
 int Window::borderLeft() const
 {
     return isDecorated() ? decoration()->borderLeft() : 0;
 }
 
 int Window::borderRight() const
 {
     return isDecorated() ? decoration()->borderRight() : 0;
 }
 
 int Window::borderTop() const
 {
     return isDecorated() ? decoration()->borderTop() : 0;
 }
 
 void Window::updateCursor()
 {
     Gravity gravity = interactiveMoveResizeGravity();
     if (!isResizable() || isShade()) {
         gravity = Gravity::None;
     }
     CursorShape c = Qt::ArrowCursor;
     switch (gravity) {
     case Gravity::TopLeft:
         c = KWin::ExtendedCursor::SizeNorthWest;
         break;
     case Gravity::BottomRight:
         c = KWin::ExtendedCursor::SizeSouthEast;
         break;
     case Gravity::BottomLeft:
         c = KWin::ExtendedCursor::SizeSouthWest;
         break;
     case Gravity::TopRight:
         c = KWin::ExtendedCursor::SizeNorthEast;
         break;
     case Gravity::Top:
         c = KWin::ExtendedCursor::SizeNorth;
         break;
     case Gravity::Bottom:
         c = KWin::ExtendedCursor::SizeSouth;
         break;
     case Gravity::Left:
         c = KWin::ExtendedCursor::SizeWest;
         break;
     case Gravity::Right:
         c = KWin::ExtendedCursor::SizeEast;
         break;
     default:
         if (isInteractiveMoveResize()) {
             c = Qt::SizeAllCursor;
         } else {
             c = Qt::ArrowCursor;
         }
         break;
     }
     if (c == m_interactiveMoveResize.cursor) {
         return;
     }
     m_interactiveMoveResize.cursor = c;
     Q_EMIT moveResizeCursorChanged(c);
 }
 
 void Window::leaveInteractiveMoveResize()
 {
     workspace()->setMoveResizeWindow(nullptr);
     setInteractiveMoveResize(false);
     if (workspace()->screenEdges()->isDesktopSwitchingMovingClients()) {
         workspace()->screenEdges()->reserveDesktopSwitching(false, Qt::Vertical | Qt::Horizontal);
     }
     if (isElectricBorderMaximizing()) {
         workspace()->outline()->hide();
         elevate(false);
     }
 }
 
 bool Window::doStartInteractiveMoveResize()
 {
     return true;
 }
 
 void Window::doFinishInteractiveMoveResize()
 {
 }
 
 bool Window::isWaitingForInteractiveMoveResizeSync() const
 {
     return false;
 }
 
 void Window::doInteractiveResizeSync(const QRectF &)
 {
 }
 
 void Window::checkQuickTilingMaximizationZones(int xroot, int yroot)
 {
     QuickTileMode mode = QuickTileFlag::None;
     bool innerBorder = false;
 
     const auto outputs = workspace()->outputs();
     for (const Output *output : outputs) {
         if (!output->geometry().contains(QPoint(xroot, yroot))) {
             continue;
         }
 
         auto isInScreen = [&output, &outputs](const QPoint &pt) {
             for (const Output *other : outputs) {
                 if (other == output) {
                     continue;
                 }
                 if (other->geometry().contains(pt)) {
                     return true;
                 }
             }
             return false;
         };
 
         QRectF area = workspace()->clientArea(MaximizeArea, this, QPointF(xroot, yroot));
         if (options->electricBorderTiling()) {
             if (xroot <= area.x() + 20) {
                 mode |= QuickTileFlag::Left;
                 innerBorder = isInScreen(QPoint(area.x() - 1, yroot));
             } else if (xroot >= area.x() + area.width() - 20) {
                 mode |= QuickTileFlag::Right;
                 innerBorder = isInScreen(QPoint(area.right() + 1, yroot));
             }
         }
 
         if (mode != QuickTileMode(QuickTileFlag::None)) {
             if (yroot <= area.y() + area.height() * options->electricBorderCornerRatio()) {
                 mode |= QuickTileFlag::Top;
             } else if (yroot >= area.y() + area.height() - area.height() * options->electricBorderCornerRatio()) {
                 mode |= QuickTileFlag::Bottom;
             }
         } else if (options->electricBorderMaximize() && yroot <= area.y() + 5 && isMaximizable()) {
             mode = QuickTileFlag::Maximize;
             innerBorder = isInScreen(QPoint(xroot, area.y() - 1));
         }
         break; // no point in checking other screens to contain this... "point"...
     }
     if (mode != electricBorderMode()) {
         setElectricBorderMode(mode);
         if (innerBorder) {
             if (!m_electricMaximizingDelay) {
                 m_electricMaximizingDelay = new QTimer(this);
                 m_electricMaximizingDelay->setInterval(250);
                 m_electricMaximizingDelay->setSingleShot(true);
                 connect(m_electricMaximizingDelay, &QTimer::timeout, this, [this]() {
                     if (isInteractiveMove()) {
                         setElectricBorderMaximizing(electricBorderMode() != QuickTileMode(QuickTileFlag::None));
                     }
                 });
             }
             m_electricMaximizingDelay->start();
         } else {
             setElectricBorderMaximizing(mode != QuickTileMode(QuickTileFlag::None));
         }
     }
 }
 
 void Window::resetQuickTilingMaximizationZones()
 {
     if (electricBorderMode() != QuickTileMode(QuickTileFlag::None)) {
         if (m_electricMaximizingDelay) {
             m_electricMaximizingDelay->stop();
         }
         setElectricBorderMaximizing(false);
         setElectricBorderMode(QuickTileFlag::None);
     }
 }
 
 void Window::keyPressEvent(uint key_code)
 {
     if (!isInteractiveMove() && !isInteractiveResize()) {
         return;
     }
     bool is_control = key_code & Qt::CTRL;
     bool is_alt = key_code & Qt::ALT;
     key_code = key_code & ~Qt::KeyboardModifierMask;
     int delta = is_control ? 1 : is_alt ? 32
                                         : 8;
     QPointF pos = Cursors::self()->mouse()->pos();
     switch (key_code) {
     case Qt::Key_Left:
         pos.rx() -= delta;
         break;
     case Qt::Key_Right:
         pos.rx() += delta;
         break;
     case Qt::Key_Up:
         pos.ry() -= delta;
         break;
     case Qt::Key_Down:
         pos.ry() += delta;
         break;
     case Qt::Key_Space:
     case Qt::Key_Return:
     case Qt::Key_Enter:
         setInteractiveMoveResizePointerButtonDown(false);
         finishInteractiveMoveResize(false);
         updateCursor();
         break;
     case Qt::Key_Escape:
         setInteractiveMoveResizePointerButtonDown(false);
         finishInteractiveMoveResize(true);
         updateCursor();
         break;
     default:
         return;
     }
     Cursors::self()->mouse()->setPos(pos);
 }
 
 QSizeF Window::resizeIncrements() const
 {
     return QSizeF(1, 1);
 }
 
 void Window::dontInteractiveMoveResize()
 {
     setInteractiveMoveResizePointerButtonDown(false);
     stopDelayedInteractiveMoveResize();
     if (isInteractiveMoveResize()) {
         finishInteractiveMoveResize(false);
     }
 }
 
 Gravity Window::mouseGravity() const
 {
     if (isDecorated()) {
         switch (decoration()->sectionUnderMouse()) {
         case Qt::BottomLeftSection:
             return Gravity::BottomLeft;
         case Qt::BottomRightSection:
             return Gravity::BottomRight;
         case Qt::BottomSection:
             return Gravity::Bottom;
         case Qt::LeftSection:
             return Gravity::Left;
         case Qt::RightSection:
             return Gravity::Right;
         case Qt::TopSection:
             return Gravity::Top;
         case Qt::TopLeftSection:
             return Gravity::TopLeft;
         case Qt::TopRightSection:
             return Gravity::TopRight;
         default:
             return Gravity::None;
         }
     }
     return Gravity::None;
 }
 
 void Window::endInteractiveMoveResize()
 {
     setInteractiveMoveResizePointerButtonDown(false);
     stopDelayedInteractiveMoveResize();
     if (isInteractiveMoveResize()) {
         finishInteractiveMoveResize(false);
         setInteractiveMoveResizeGravity(mouseGravity());
     }
     updateCursor();
 }
 
 void Window::setDecoration(std::shared_ptr<KDecoration2::Decoration> decoration)
 {
     if (m_decoration.decoration == decoration) {
         return;
     }
     if (decoration) {
         QMetaObject::invokeMethod(decoration.get(), QOverload<>::of(&KDecoration2::Decoration::update), Qt::QueuedConnection);
         connect(decoration.get(), &KDecoration2::Decoration::shadowChanged, this, [this]() {
             if (!isDeleted()) {
                 updateShadow();
             }
         });
         connect(decoration.get(), &KDecoration2::Decoration::bordersChanged, this, [this]() {
             if (!isDeleted()) {
                 updateDecorationInputShape();
             }
         });
         connect(decoration.get(), &KDecoration2::Decoration::resizeOnlyBordersChanged, this, [this]() {
             if (!isDeleted()) {
                 updateDecorationInputShape();
             }
         });
         connect(decoratedClient()->decoratedClient(), &KDecoration2::DecoratedClient::sizeChanged, this, [this]() {
             if (!isDeleted()) {
                 updateDecorationInputShape();
             }
         });
     }
     m_decoration.decoration = decoration;
     updateDecorationInputShape();
     Q_EMIT decorationChanged();
 }
 
 void Window::updateDecorationInputShape()
 {
     if (!isDecorated()) {
         m_decoration.inputRegion = QRegion();
         return;
     }
 
     const QMargins borders = decoration()->borders();
     const QMargins resizeBorders = decoration()->resizeOnlyBorders();
 
     const QRectF innerRect = QRectF(QPointF(borderLeft(), borderTop()), decoratedClient()->size());
     const QRectF outerRect = innerRect + borders + resizeBorders;
 
     m_decoration.inputRegion = QRegion(outerRect.toAlignedRect()) - innerRect.toAlignedRect();
 }
 
 bool Window::decorationHasAlpha() const
 {
     if (!isDecorated() || decoration()->isOpaque()) {
         // either no decoration or decoration has alpha disabled
         return false;
     }
     return true;
 }
 
 void Window::triggerDecorationRepaint()
 {
     if (isDecorated()) {
         decoration()->update();
     }
 }
 
 void Window::layoutDecorationRects(QRectF &left, QRectF &top, QRectF &right, QRectF &bottom) const
 {
     if (!isDecorated()) {
         return;
     }
     QRectF r = decoration()->rect();
 
     top = QRectF(r.x(), r.y(), r.width(), borderTop());
     bottom = QRectF(r.x(), r.y() + r.height() - borderBottom(),
                     r.width(), borderBottom());
     left = QRectF(r.x(), r.y() + top.height(),
                   borderLeft(), r.height() - top.height() - bottom.height());
     right = QRectF(r.x() + r.width() - borderRight(), r.y() + top.height(),
                    borderRight(), r.height() - top.height() - bottom.height());
 }
 
 void Window::processDecorationMove(const QPointF &localPos, const QPointF &globalPos)
 {
     if (isInteractiveMoveResizePointerButtonDown()) {
         handleInteractiveMoveResize(localPos.x(), localPos.y(), globalPos.x(), globalPos.y());
         return;
     }
     // TODO: handle modifiers
     Gravity newGravity = mouseGravity();
     if (newGravity != interactiveMoveResizeGravity()) {
         setInteractiveMoveResizeGravity(newGravity);
         updateCursor();
     }
 }
 
 bool Window::processDecorationButtonPress(QMouseEvent *event, bool ignoreMenu)
 {
     Options::MouseCommand com = Options::MouseNothing;
     bool active = isActive();
     if (!wantsInput()) { // we cannot be active, use it anyway
         active = true;
     }
 
     // check whether it is a double click
     if (event->button() == Qt::LeftButton && titlebarPositionUnderMouse()) {
         if (m_decoration.doubleClickTimer.isValid()) {
             const qint64 interval = m_decoration.doubleClickTimer.elapsed();
             m_decoration.doubleClickTimer.invalidate();
             if (interval > QGuiApplication::styleHints()->mouseDoubleClickInterval()) {
                 m_decoration.doubleClickTimer.start(); // expired -> new first click and pot. init
             } else {
                 Workspace::self()->performWindowOperation(this, options->operationTitlebarDblClick());
                 dontInteractiveMoveResize();
                 return false;
             }
         } else {
             m_decoration.doubleClickTimer.start(); // new first click and pot. init, could be invalidated by release - see below
         }
     }
 
     if (event->button() == Qt::LeftButton) {
         com = active ? options->commandActiveTitlebar1() : options->commandInactiveTitlebar1();
     } else if (event->button() == Qt::MiddleButton) {
         com = active ? options->commandActiveTitlebar2() : options->commandInactiveTitlebar2();
     } else if (event->button() == Qt::RightButton) {
         com = active ? options->commandActiveTitlebar3() : options->commandInactiveTitlebar3();
     }
     if (event->button() == Qt::LeftButton
         && com != Options::MouseOperationsMenu // actions where it's not possible to get the matching
         && com != Options::MouseMinimize) // mouse release event
     {
         setInteractiveMoveResizeGravity(mouseGravity());
         setInteractiveMoveResizePointerButtonDown(true);
         setInteractiveMoveOffset(event->pos());
         setInvertedInteractiveMoveOffset(rect().bottomRight() - interactiveMoveOffset());
         setUnrestrictedInteractiveMoveResize(false);
         startDelayedInteractiveMoveResize();
         updateCursor();
     }
     // In the new API the decoration may process the menu action to display an inactive tab's menu.
     // If the event is unhandled then the core will create one for the active window in the group.
     if (!ignoreMenu || com != Options::MouseOperationsMenu) {
         performMouseCommand(com, event->globalPos());
     }
     return !( // Return events that should be passed to the decoration in the new API
         com == Options::MouseRaise || com == Options::MouseOperationsMenu || com == Options::MouseActivateAndRaise || com == Options::MouseActivate || com == Options::MouseActivateRaiseAndPassClick || com == Options::MouseActivateAndPassClick || com == Options::MouseNothing);
 }
 
 void Window::processDecorationButtonRelease(QMouseEvent *event)
 {
     if (isDecorated()) {
         if (event->isAccepted() || !titlebarPositionUnderMouse()) {
             invalidateDecorationDoubleClickTimer(); // click was for the deco and shall not init a doubleclick
         }
     }
 
     if (event->buttons() == Qt::NoButton) {
         setInteractiveMoveResizePointerButtonDown(false);
         stopDelayedInteractiveMoveResize();
         if (isInteractiveMoveResize()) {
             finishInteractiveMoveResize(false);
             setInteractiveMoveResizeGravity(mouseGravity());
         }
         updateCursor();
     }
 }
 
 void Window::startDecorationDoubleClickTimer()
 {
     m_decoration.doubleClickTimer.start();
 }
 
 void Window::invalidateDecorationDoubleClickTimer()
 {
     m_decoration.doubleClickTimer.invalidate();
 }
 
 bool Window::providesContextHelp() const
 {
     return false;
 }
 
 void Window::showContextHelp()
 {
 }
 
 Decoration::DecoratedClientImpl *Window::decoratedClient() const
 {
     return m_decoration.client;
 }
 
 void Window::setDecoratedClient(Decoration::DecoratedClientImpl *client)
 {
     m_decoration.client = client;
 }
 
 void Window::pointerEnterEvent(const QPointF &globalPos)
 {
     if (options->isShadeHover()) {
         cancelShadeHoverTimer();
         startShadeHoverTimer();
     }
 
     if (options->focusPolicy() == Options::ClickToFocus || workspace()->userActionsMenu()->isShown()) {
         return;
     }
 
     if (options->isAutoRaise() && !isDesktop() && !isDock() && workspace()->focusChangeEnabled() && globalPos != workspace()->focusMousePosition() && workspace()->topWindowOnDesktop(VirtualDesktopManager::self()->currentDesktop(), options->isSeparateScreenFocus() ? output() : nullptr) != this) {
         startAutoRaise();
     }
 
     if (isDesktop() || isDock()) {
         return;
     }
     // for FocusFollowsMouse, change focus only if the mouse has actually been moved, not if the focus
     // change came because of window changes (e.g. closing a window) - #92290
     if (options->focusPolicy() != Options::FocusFollowsMouse
         || globalPos != workspace()->focusMousePosition()) {
         workspace()->requestDelayFocus(this);
     }
 }
 
 void Window::pointerLeaveEvent()
 {
     cancelAutoRaise();
     workspace()->cancelDelayFocus();
     cancelShadeHoverTimer();
     startShadeUnhoverTimer();
     // TODO: send hover leave to deco
     // TODO: handle Options::FocusStrictlyUnderMouse
 }
 
 QRectF Window::iconGeometry() const
 {
     if (!windowManagementInterface() || !waylandServer()) {
         // window management interface is only available if the surface is mapped
         return QRectF();
     }
 
     int minDistance = INT_MAX;
     Window *candidatePanel = nullptr;
     QRectF candidateGeom;
 
     const auto minGeometries = windowManagementInterface()->minimizedGeometries();
     for (auto i = minGeometries.constBegin(), end = minGeometries.constEnd(); i != end; ++i) {
         Window *panel = waylandServer()->findWindow(i.key());
         if (!panel) {
             continue;
         }
         const int distance = QPointF(panel->pos() - pos()).manhattanLength();
         if (distance < minDistance) {
             minDistance = distance;
             candidatePanel = panel;
             candidateGeom = i.value();
         }
     }
     if (!candidatePanel) {
         // Check all mainwindows of this window.
         const auto windows = mainWindows();
         for (Window *mainWindow : windows) {
             const auto geom = mainWindow->iconGeometry();
             if (geom.isValid()) {
                 return geom;
             }
         }
         return QRectF();
     }
     return candidateGeom.translated(candidatePanel->pos());
 }
 
 QRectF Window::virtualKeyboardGeometry() const
 {
     return m_virtualKeyboardGeometry;
 }
 
 void Window::setVirtualKeyboardGeometry(const QRectF &geo)
 {
     // No keyboard anymore
     if (geo.isEmpty() && !m_keyboardGeometryRestore.isEmpty()) {
         const QRectF availableArea = workspace()->clientArea(MaximizeArea, this);
         QRectF newWindowGeometry = (requestedMaximizeMode() & MaximizeHorizontal) ? availableArea : m_keyboardGeometryRestore;
         moveResize(newWindowGeometry);
         m_keyboardGeometryRestore = QRectF();
     } else if (geo.isEmpty()) {
         return;
         // The keyboard has just been opened (rather than resized) save window geometry for a restore
     } else if (m_keyboardGeometryRestore.isEmpty()) {
         m_keyboardGeometryRestore = moveResizeGeometry();
     }
 
     m_virtualKeyboardGeometry = geo;
 
     // Don't resize Desktop and fullscreen windows
     if (isRequestedFullScreen() || isDesktop()) {
         return;
     }
 
     if (!geo.intersects(m_keyboardGeometryRestore)) {
         return;
     }
 
     const QRectF availableArea = workspace()->clientArea(MaximizeArea, this);
     QRectF newWindowGeometry = (requestedMaximizeMode() & MaximizeHorizontal) ? availableArea : m_keyboardGeometryRestore;
     newWindowGeometry.setHeight(std::min(newWindowGeometry.height(), geo.top() - availableArea.top()));
     newWindowGeometry.moveTop(std::max(geo.top() - newWindowGeometry.height(), availableArea.top()));
     newWindowGeometry = newWindowGeometry.intersected(availableArea);
     moveResize(newWindowGeometry);
 }
 
 QRectF Window::keyboardGeometryRestore() const
 {
     return m_keyboardGeometryRestore;
 }
 
 void Window::setKeyboardGeometryRestore(const QRectF &geom)
 {
     m_keyboardGeometryRestore = geom;
 }
 
 bool Window::dockWantsInput() const
 {
     return false;
 }
 
 void Window::setDesktopFileName(const QString &name)
 {
     const QString effectiveName = rules()->checkDesktopFile(name);
     if (effectiveName == m_desktopFileName) {
         return;
     }
     m_desktopFileName = effectiveName;
     updateWindowRules(Rules::DesktopFile);
     Q_EMIT desktopFileNameChanged();
 }
 
 QString Window::iconFromDesktopFile(const QString &desktopFileName)
 {
     const QString absolutePath = findDesktopFile(desktopFileName);
     if (absolutePath.isEmpty()) {
         return {};
     }
 
     KDesktopFile df(absolutePath);
     return df.readIcon();
 }
 
 QString Window::iconFromDesktopFile() const
 {
     return iconFromDesktopFile(m_desktopFileName);
 }
 
 QString Window::findDesktopFile(const QString &desktopFileName)
 {
     if (desktopFileName.isEmpty()) {
         return {};
     }
 
     const QString desktopFileNameWithPrefix = desktopFileName + QLatin1String(".desktop");
     QString desktopFilePath;
 
     if (QDir::isAbsolutePath(desktopFileName)) {
         if (QFile::exists(desktopFileNameWithPrefix)) {
             desktopFilePath = desktopFileNameWithPrefix;
         } else {
             desktopFilePath = desktopFileName;
         }
     }
 
     if (desktopFilePath.isEmpty()) {
         desktopFilePath = QStandardPaths::locate(QStandardPaths::ApplicationsLocation,
                                                  desktopFileNameWithPrefix);
     }
     if (desktopFilePath.isEmpty()) {
         desktopFilePath = QStandardPaths::locate(QStandardPaths::ApplicationsLocation,
                                                  desktopFileName);
     }
     return desktopFilePath;
 }
 
 bool Window::hasApplicationMenu() const
 {
     return Workspace::self()->applicationMenu()->applicationMenuEnabled() && !m_applicationMenuServiceName.isEmpty() && !m_applicationMenuObjectPath.isEmpty();
 }
 
 void Window::updateApplicationMenuServiceName(const QString &serviceName)
 {
     const bool old_hasApplicationMenu = hasApplicationMenu();
 
     m_applicationMenuServiceName = serviceName;
 
     const bool new_hasApplicationMenu = hasApplicationMenu();
 
     Q_EMIT applicationMenuChanged();
     if (old_hasApplicationMenu != new_hasApplicationMenu) {
         Q_EMIT hasApplicationMenuChanged(new_hasApplicationMenu);
     }
 }
 
 void Window::updateApplicationMenuObjectPath(const QString &objectPath)
 {
     const bool old_hasApplicationMenu = hasApplicationMenu();
 
     m_applicationMenuObjectPath = objectPath;
 
     const bool new_hasApplicationMenu = hasApplicationMenu();
 
     Q_EMIT applicationMenuChanged();
     if (old_hasApplicationMenu != new_hasApplicationMenu) {
         Q_EMIT hasApplicationMenuChanged(new_hasApplicationMenu);
     }
 }
 
 void Window::setApplicationMenuActive(bool applicationMenuActive)
 {
     if (m_applicationMenuActive != applicationMenuActive) {
         m_applicationMenuActive = applicationMenuActive;
         Q_EMIT applicationMenuActiveChanged(applicationMenuActive);
     }
 }
 
 void Window::showApplicationMenu(int actionId)
 {
     if (isDecorated()) {
         decoration()->showApplicationMenu(actionId);
     } else {
         // we don't know where the application menu button will be, show it in the top left corner instead
         Workspace::self()->showApplicationMenu(QRect(), this, actionId);
     }
 }
 
 bool Window::unresponsive() const
 {
     return m_unresponsive;
 }
 
 void Window::setUnresponsive(bool unresponsive)
 {
     if (m_unresponsive != unresponsive) {
         m_unresponsive = unresponsive;
         Q_EMIT unresponsiveChanged(m_unresponsive);
         Q_EMIT captionChanged();
     }
 }
 
 QString Window::shortcutCaptionSuffix() const
 {
     if (shortcut().isEmpty()) {
         return QString();
     }
     return QLatin1String(" {") + shortcut().toString() + QLatin1Char('}');
 }
 
 QString Window::caption() const
 {
     QString cap = captionNormal() + captionSuffix();
     if (unresponsive()) {
         cap += QLatin1String(" ");
         cap += i18nc("Application is not responding, appended to window title", "(Not Responding)");
     }
     return cap;
 }
 
 /**
  * Returns the list of activities the window window is on.
  * if it's on all activities, the list will be empty.
  * Don't use this, use isOnActivity() and friends (from class Window)
  */
 QStringList Window::activities() const
 {
     return m_activityList;
 }
 
 bool Window::isOnCurrentActivity() const
 {
 #if KWIN_BUILD_ACTIVITIES
     if (!Workspace::self()->activities()) {
         return true;
     }
     return isOnActivity(Workspace::self()->activities()->current());
 #else
     return true;
 #endif
 }
 
 /**
  * Sets whether the window is on @p activity.
  * If you remove it from its last activity, then it's on all activities.
  *
  * Note: If it was on all activities and you try to remove it from one, nothing will happen;
  * I don't think that's an important enough use case to handle here.
  */
 void Window::setOnActivity(const QString &activity, bool enable)
 {
 #if KWIN_BUILD_ACTIVITIES
     if (!Workspace::self()->activities()) {
         return;
     }
     QStringList newActivitiesList = activities();
     if (newActivitiesList.contains(activity) == enable) {
         // nothing to do
         return;
     }
     if (enable) {
         QStringList allActivities = Workspace::self()->activities()->all();
         if (!allActivities.contains(activity)) {
             // bogus ID
             return;
         }
         newActivitiesList.append(activity);
     } else {
         newActivitiesList.removeOne(activity);
     }
     setOnActivities(newActivitiesList);
 #endif
 }
 
 /**
  * set exactly which activities this window is on
  */
 void Window::setOnActivities(const QStringList &newActivitiesList)
 {
 #if KWIN_BUILD_ACTIVITIES
     if (!Workspace::self()->activities()) {
         return;
     }
     if (Workspace::self()->activities()->serviceStatus() != KActivities::Consumer::Running) {
         return;
     }
     const auto allActivities = Workspace::self()->activities()->all();
     const auto activityList = [&] {
         auto result = rules()->checkActivity(newActivitiesList);
 
         const auto it = std::remove_if(result.begin(), result.end(), [=](const QString &activity) {
             return !allActivities.contains(activity);
         });
         result.erase(it, result.end());
         return result;
     }();
 
     const auto allActivityExplicitlyRequested = activityList.isEmpty() || activityList.contains(Activities::nullUuid());
     const auto allActivitiesCovered = activityList.size() > 1 && activityList.size() == allActivities.size();
 
     if (allActivityExplicitlyRequested || allActivitiesCovered) {
         if (!m_activityList.isEmpty()) {
             m_activityList.clear();
             doSetOnActivities(m_activityList);
         }
     } else {
         if (m_activityList != activityList) {
             m_activityList = activityList;
             doSetOnActivities(m_activityList);
         }
     }
 
     updateActivities(false);
 #endif
 }
 
 void Window::doSetOnActivities(const QStringList &activityList)
 {
 }
 
 /**
  * if @p all is true, sets on all activities.
  * if it's false, sets it to only be on the current activity
  */
 void Window::setOnAllActivities(bool all)
 {
 #if KWIN_BUILD_ACTIVITIES
     if (all == isOnAllActivities()) {
         return;
     }
     if (all) {
         setOnActivities(QStringList());
     } else {
         setOnActivity(Workspace::self()->activities()->current(), true);
     }
 #endif
 }
 
 /**
  * update after activities changed
  */
 void Window::updateActivities(bool includeTransients)
 {
     if (m_activityUpdatesBlocked) {
         m_blockedActivityUpdatesRequireTransients |= includeTransients;
         return;
     }
     Q_EMIT activitiesChanged();
     m_blockedActivityUpdatesRequireTransients = false; // reset
     Workspace::self()->focusChain()->update(this, FocusChain::MakeFirst);
     updateWindowRules(Rules::Activity);
 }
 
 void Window::blockActivityUpdates(bool b)
 {
     if (b) {
         ++m_activityUpdatesBlocked;
     } else {
         Q_ASSERT(m_activityUpdatesBlocked);
         --m_activityUpdatesBlocked;
         if (!m_activityUpdatesBlocked) {
             updateActivities(m_blockedActivityUpdatesRequireTransients);
         }
     }
 }
 
 bool Window::groupTransient() const
 {
     return false;
 }
 
 const Group *Window::group() const
 {
     return nullptr;
 }
 
 Group *Window::group()
 {
     return nullptr;
 }
 
 QPointF Window::framePosToClientPos(const QPointF &point) const
 {
     return point + QPointF(borderLeft(), borderTop());
 }
 
 QPointF Window::clientPosToFramePos(const QPointF &point) const
 {
     return point - QPointF(borderLeft(), borderTop());
 }
 
 QSizeF Window::frameSizeToClientSize(const QSizeF &size) const
 {
     const qreal width = size.width() - borderLeft() - borderRight();
     const qreal height = size.height() - borderTop() - borderBottom();
     return QSizeF(width, height);
 }
 
 QSizeF Window::clientSizeToFrameSize(const QSizeF &size) const
 {
     const qreal width = size.width() + borderLeft() + borderRight();
     const qreal height = size.height() + borderTop() + borderBottom();
     return QSizeF(width, height);
 }
 
 QRectF Window::frameRectToClientRect(const QRectF &rect) const
 {
     const QPointF position = framePosToClientPos(rect.topLeft());
     const QSizeF size = frameSizeToClientSize(rect.size());
     return QRectF(position, size);
 }
 
 QRectF Window::clientRectToFrameRect(const QRectF &rect) const
 {
     const QPointF position = clientPosToFramePos(rect.topLeft());
     const QSizeF size = clientSizeToFrameSize(rect.size());
     return QRectF(position, size);
 }
 
 QRectF Window::moveResizeGeometry() const
 {
     return m_moveResizeGeometry;
 }
 
 void Window::setMoveResizeGeometry(const QRectF &geo)
 {
     m_moveResizeGeometry = geo;
     m_moveResizeOutput = workspace()->outputAt(geo.center());
 }
 
 Output *Window::moveResizeOutput() const
 {
     return m_moveResizeOutput;
 }
 
 void Window::setMoveResizeOutput(Output *output)
 {
     m_moveResizeOutput = output;
 }
 
 void Window::move(const QPointF &point)
 {
     const QRectF rect = QRectF(point, m_moveResizeGeometry.size());
 
     setMoveResizeGeometry(rect);
     moveResizeInternal(rect, MoveResizeMode::Move);
 }
 
 void Window::resize(const QSizeF &size)
 {
     const QRectF rect = QRectF(m_moveResizeGeometry.topLeft(), size);
 
     setMoveResizeGeometry(rect);
     moveResizeInternal(rect, MoveResizeMode::Resize);
 }
 
 void Window::moveResize(const QRectF &rect)
 {
     setMoveResizeGeometry(rect);
     moveResizeInternal(rect, MoveResizeMode::MoveResize);
 }
 
 void Window::setElectricBorderMode(QuickTileMode mode)
 {
     if (mode != QuickTileMode(QuickTileFlag::Maximize)) {
         // sanitize the mode, ie. simplify "invalid" combinations
         if ((mode & QuickTileFlag::Horizontal) == QuickTileMode(QuickTileFlag::Horizontal)) {
             mode &= ~QuickTileMode(QuickTileFlag::Horizontal);
         }
         if ((mode & QuickTileFlag::Vertical) == QuickTileMode(QuickTileFlag::Vertical)) {
             mode &= ~QuickTileMode(QuickTileFlag::Vertical);
         }
     }
     m_electricMode = mode;
 }
 
 void Window::setElectricBorderMaximizing(bool maximizing)
 {
     m_electricMaximizing = maximizing;
     if (maximizing) {
         workspace()->outline()->show(quickTileGeometry(electricBorderMode(), Cursors::self()->mouse()->pos()).toRect(), moveResizeGeometry().toRect());
     } else {
         workspace()->outline()->hide();
     }
     elevate(maximizing);
 }
 
 QRectF Window::quickTileGeometry(QuickTileMode mode, const QPointF &pos) const
 {
     if (mode == QuickTileMode(QuickTileFlag::Maximize)) {
         if (requestedMaximizeMode() == MaximizeFull) {
             return geometryRestore();
         } else {
             return workspace()->clientArea(MaximizeArea, this, pos);
         }
     }
 
     Output *output = workspace()->outputAt(pos);
 
     if (mode & QuickTileFlag::Custom) {
         Tile *tile = workspace()->tileManager(output)->bestTileForPosition(pos);
         if (tile) {
             return tile->windowGeometry();
         } else {
             return QRectF();
         }
     }
 
     Tile *tile = workspace()->tileManager(output)->quickTile(mode);
     if (tile) {
         return tile->windowGeometry();
     }
     return workspace()->clientArea(MaximizeArea, this, pos);
 }
 
 void Window::updateElectricGeometryRestore()
 {
     m_electricGeometryRestore = geometryRestore();
     if (m_interactiveMoveResize.initialQuickTileMode == QuickTileMode(QuickTileFlag::None)) {
         if (!(requestedMaximizeMode() & MaximizeHorizontal)) {
             m_electricGeometryRestore.setX(x());
             m_electricGeometryRestore.setWidth(width());
         }
         if (!(requestedMaximizeMode() & MaximizeVertical)) {
             m_electricGeometryRestore.setY(y());
             m_electricGeometryRestore.setHeight(height());
         }
     }
 }
 
 QRectF Window::quickTileGeometryRestore() const
 {
     if (quickTileMode() != QuickTileMode(QuickTileFlag::None)) {
         // If the window is tiled, geometryRestore() already has a good value.
         return geometryRestore();
     }
 
     if (isElectricBorderMaximizing()) {
         return m_electricGeometryRestore;
     } else {
         return moveResizeGeometry();
     }
 }
 
 void Window::setQuickTileMode(QuickTileMode mode, bool keyboard)
 {
     // Only allow quick tile on a regular window.
     if (!isResizable()) {
         return;
     }
     if (isAppletPopup()) {
         return;
     }
 
     workspace()->updateFocusMousePosition(Cursors::self()->mouse()->pos()); // may cause leave event
 
     GeometryUpdatesBlocker blocker(this);
 
     setTile(nullptr);
 
     if (mode == QuickTileMode(QuickTileFlag::Maximize)) {
         if (requestedMaximizeMode() == MaximizeFull) {
             m_quickTileMode = int(QuickTileFlag::None);
             setMaximize(false, false);
         } else {
             QRectF effectiveGeometryRestore = quickTileGeometryRestore();
             m_quickTileMode = int(QuickTileFlag::Maximize);
             setMaximize(true, true);
             setGeometryRestore(effectiveGeometryRestore);
         }
         doSetQuickTileMode();
         Q_EMIT quickTileModeChanged();
         return;
     }
 
     // sanitize the mode, ie. simplify "invalid" combinations
     if ((mode & QuickTileFlag::Horizontal) == QuickTileMode(QuickTileFlag::Horizontal)) {
         mode &= ~QuickTileMode(QuickTileFlag::Horizontal);
     }
     if ((mode & QuickTileFlag::Vertical) == QuickTileMode(QuickTileFlag::Vertical)) {
         mode &= ~QuickTileMode(QuickTileFlag::Vertical);
     }
 
     // restore from maximized so that it is possible to tile maximized windows with one hit or by dragging
     if (requestedMaximizeMode() != MaximizeRestore) {
 
         if (mode != QuickTileMode(QuickTileFlag::None)) {
             m_quickTileMode = int(QuickTileFlag::None); // Temporary, so the maximize code doesn't get all confused
 
             setMaximize(false, false);
 
             moveResize(quickTileGeometry(mode, keyboard ? moveResizeGeometry().center() : Cursors::self()->mouse()->pos()));
             // Store the mode change
             m_quickTileMode = mode;
         } else {
             m_quickTileMode = mode;
             setMaximize(false, false);
         }
 
         doSetQuickTileMode();
         Q_EMIT quickTileModeChanged();
 
         return;
     }
 
     QPointF whichScreen = keyboard ? moveResizeGeometry().center() : Cursors::self()->mouse()->pos();
     if (mode != QuickTileMode(QuickTileFlag::None)) {
         // If trying to tile to the side that the window is already tiled to move the window to the next
         // screen near the tile if it exists and swap the tile side, otherwise toggle the mode (set QuickTileFlag::None)
         if (quickTileMode() == mode) {
             Output *currentOutput = moveResizeOutput();
             Output *nextOutput = currentOutput;
             Output *candidateOutput = currentOutput;
             if ((mode & QuickTileFlag::Horizontal) == QuickTileMode(QuickTileFlag::Left)) {
                 candidateOutput = workspace()->findOutput(nextOutput, Workspace::DirectionWest);
             } else if ((mode & QuickTileFlag::Horizontal) == QuickTileMode(QuickTileFlag::Right)) {
                 candidateOutput = workspace()->findOutput(nextOutput, Workspace::DirectionEast);
             }
             bool shiftHorizontal = candidateOutput != nextOutput;
             nextOutput = candidateOutput;
             if ((mode & QuickTileFlag::Vertical) == QuickTileMode(QuickTileFlag::Top)) {
                 candidateOutput = workspace()->findOutput(nextOutput, Workspace::DirectionNorth);
             } else if ((mode & QuickTileFlag::Vertical) == QuickTileMode(QuickTileFlag::Bottom)) {
                 candidateOutput = workspace()->findOutput(nextOutput, Workspace::DirectionSouth);
             }
             bool shiftVertical = candidateOutput != nextOutput;
             nextOutput = candidateOutput;
 
             if (nextOutput == currentOutput) {
                 mode = QuickTileFlag::None; // No other screens in the tile direction, toggle tiling
             } else {
                 // Move to other screen
                 moveResize(geometryRestore().translated(nextOutput->geometry().topLeft() - currentOutput->geometry().topLeft()));
                 whichScreen = nextOutput->geometry().center();
 
                 // Swap sides
                 if (shiftHorizontal) {
                     mode = (~mode & QuickTileFlag::Horizontal) | (mode & QuickTileFlag::Vertical);
                 }
                 if (shiftVertical) {
                     mode = (~mode & QuickTileFlag::Vertical) | (mode & QuickTileFlag::Horizontal);
                 }
             }
         } else if (quickTileMode() == QuickTileMode(QuickTileFlag::None)) {
             // Not coming out of an existing tile, not shifting monitors, we're setting a brand new tile.
             // Store geometry first, so we can go out of this tile later.
             setGeometryRestore(quickTileGeometryRestore());
         }
 
         m_quickTileMode = mode;
     }
 
     if (mode == QuickTileMode(QuickTileFlag::None)) {
         setTile(nullptr);
         m_quickTileMode = int(QuickTileFlag::None);
         // Untiling, so just restore geometry, and we're done.
         if (geometryRestore().isValid()) { // invalid if we started maximized and wait for placement
             moveResize(geometryRestore());
         }
         checkWorkspacePosition(); // Just in case it's a different screen
     } else if (mode == QuickTileMode(QuickTileFlag::Custom)) {
         Tile *tile = nullptr;
         if (keyboard) {
             tile = workspace()->tileManager(output())->bestTileForPosition(moveResizeGeometry().center());
         } else {
             Output *output = workspace()->outputAt(Cursors::self()->mouse()->pos());
             tile = workspace()->tileManager(output)->bestTileForPosition(Cursors::self()->mouse()->pos());
         }
         setTile(tile);
     } else {
         // Use whichScreen to move to next screen when retiling to the same edge as the old behavior
         Output *output = workspace()->outputAt(whichScreen);
         Tile *tile = workspace()->tileManager(output)->quickTile(mode);
         setTile(tile);
     }
 
     doSetQuickTileMode();
     Q_EMIT quickTileModeChanged();
 }
 
 void Window::setTile(Tile *tile)
 {
     if (m_tile == tile) {
         return;
     } else if (m_tile) {
         m_tile->removeWindow(this);
     }
 
     m_tile = tile;
 
     if (m_tile) {
         m_tile->addWindow(this);
     }
 
     Q_EMIT tileChanged(tile);
 }
 
 Tile *Window::tile() const
 {
     return m_tile;
 }
 
 void Window::doSetQuickTileMode()
 {
 }
 
 void Window::doSetHidden()
 {
 }
 
 void Window::doSetHiddenByShowDesktop()
 {
 }
 
 QRectF Window::moveToArea(const QRectF &geometry, const QRectF &oldArea, const QRectF &newArea)
 {
     QRectF ret = geometry;
     // move the window to have the same relative position to the center of the screen
     // (i.e. one near the middle of the right edge will also end up near the middle of the right edge)
     QPointF center = geometry.center() - oldArea.center();
     center.setX(center.x() * newArea.width() / oldArea.width());
     center.setY(center.y() * newArea.height() / oldArea.height());
     center += newArea.center();
     ret.moveCenter(center);
 
     // If the window was inside the old screen area, explicitly make sure its inside also the new screen area
     if (oldArea.contains(geometry)) {
         ret = keepInArea(ret, newArea);
     }
     return ret;
 }
 
 QRectF Window::ensureSpecialStateGeometry(const QRectF &geometry)
 {
     if (isRequestedFullScreen()) {
         return workspace()->clientArea(FullScreenArea, this, geometry.center());
     } else if (requestedMaximizeMode() != MaximizeRestore) {
         const QRectF maximizeArea = workspace()->clientArea(MaximizeArea, this, geometry.center());
         QRectF ret = geometry;
         if (requestedMaximizeMode() & MaximizeHorizontal) {
             ret.setX(maximizeArea.x());
             ret.setWidth(maximizeArea.width());
         }
         if (requestedMaximizeMode() & MaximizeVertical) {
             ret.setY(maximizeArea.y());
             ret.setHeight(maximizeArea.height());
         }
         return ret;
     } else if (quickTileMode() != QuickTileMode(QuickTileFlag::None)) {
         return quickTileGeometry(quickTileMode(), geometry.center());
     } else {
         return geometry;
     }
 }
 
 void Window::sendToOutput(Output *newOutput)
 {
     newOutput = rules()->checkOutput(newOutput);
     if (isActive()) {
         workspace()->setActiveOutput(newOutput);
         // might impact the layer of a fullscreen window
         const auto windows = workspace()->windows();
         for (Window *other : windows) {
             if (other->isFullScreen() && other->output() == newOutput) {
                 other->updateLayer();
             }
         }
     }
     if (moveResizeOutput() == newOutput) {
         return;
     }
 
     const QRectF oldGeom = moveResizeGeometry();
     const QRectF oldScreenArea = workspace()->clientArea(MaximizeArea, this, moveResizeOutput());
     const QRectF screenArea = workspace()->clientArea(MaximizeArea, this, newOutput);
 
     if (m_quickTileMode == QuickTileMode(QuickTileFlag::Custom)) {
         setTile(nullptr);
     }
 
     QRectF newGeom = moveToArea(oldGeom, oldScreenArea, screenArea);
     newGeom = ensureSpecialStateGeometry(newGeom);
     moveResize(newGeom);
 
     // move geometry restores to the new output as well
     m_fullscreenGeometryRestore = moveToArea(m_fullscreenGeometryRestore, oldScreenArea, screenArea);
     m_maximizeGeometryRestore = moveToArea(m_maximizeGeometryRestore, oldScreenArea, screenArea);
 
     auto tso = workspace()->ensureStackingOrder(transients());
     for (auto it = tso.constBegin(), end = tso.constEnd(); it != end; ++it) {
         (*it)->sendToOutput(newOutput);
     }
 }
 
 void Window::checkWorkspacePosition(QRectF oldGeometry, const VirtualDesktop *oldDesktop)
 {
     if (isDeleted()) {
         qCWarning(KWIN_CORE) << "Window::checkWorkspacePosition: called for a closed window. Consider this a bug";
         return;
     }
     if (isDock() || isDesktop() || !isPlaceable()) {
         return;
     }
 
     QRectF newGeom = moveResizeGeometry();
 
     if (!oldGeometry.isValid()) {
         oldGeometry = newGeom;
     }
 
     VirtualDesktop *desktop = !isOnCurrentDesktop() ? desktops().constLast() : VirtualDesktopManager::self()->currentDesktop();
     if (!oldDesktop) {
         oldDesktop = desktop;
     }
 
     // If the window was touching an edge before but not now move it so it is again.
     // Old and new maximums have different starting values so windows on the screen
     // edge will move when a new strut is placed on the edge.
     QRect oldScreenArea;
     QRect screenArea;
     if (workspace()->inUpdateClientArea()) {
         // check if the window is on an about to be destroyed output
         Output *newOutput = moveResizeOutput();
         if (!workspace()->outputs().contains(newOutput)) {
             newOutput = workspace()->outputAt(newGeom.center());
         }
         // we need to find the screen area as it was before the change
         oldScreenArea = workspace()->previousScreenSizes().value(moveResizeOutput());
         if (oldScreenArea.isNull()) {
             oldScreenArea = newOutput->geometry();
         }
         screenArea = newOutput->geometry();
         newGeom.translate(screenArea.topLeft() - oldScreenArea.topLeft());
     } else {
         oldScreenArea = workspace()->clientArea(ScreenArea, workspace()->outputAt(oldGeometry.center()), oldDesktop).toRect();
         screenArea = workspace()->clientArea(ScreenArea, this, newGeom.center()).toRect();
     }
 
     if (isRequestedFullScreen() || requestedMaximizeMode() != MaximizeRestore || quickTileMode() != QuickTileMode(QuickTileFlag::None)) {
         moveResize(ensureSpecialStateGeometry(newGeom));
         m_fullscreenGeometryRestore = moveToArea(m_fullscreenGeometryRestore, oldScreenArea, screenArea);
         m_maximizeGeometryRestore = moveToArea(m_maximizeGeometryRestore, oldScreenArea, screenArea);
         return;
     }
 
     const QRect oldGeomTall = QRect(oldGeometry.x(), oldScreenArea.y(), oldGeometry.width(), oldScreenArea.height()); // Full screen height
     const QRect oldGeomWide = QRect(oldScreenArea.x(), oldGeometry.y(), oldScreenArea.width(), oldGeometry.height()); // Full screen width
     int oldTopMax = oldScreenArea.y();
     int oldRightMax = oldScreenArea.x() + oldScreenArea.width();
     int oldBottomMax = oldScreenArea.y() + oldScreenArea.height();
     int oldLeftMax = oldScreenArea.x();
     int topMax = screenArea.y();
     int rightMax = screenArea.x() + screenArea.width();
     int bottomMax = screenArea.y() + screenArea.height();
     int leftMax = screenArea.x();
     const QRect newGeomTall = QRect(newGeom.x(), screenArea.y(), newGeom.width(), screenArea.height()); // Full screen height
     const QRect newGeomWide = QRect(screenArea.x(), newGeom.y(), screenArea.width(), newGeom.height()); // Full screen width
     // Get the max strut point for each side where the window is (E.g. Highest point for
     // the bottom struts bounded by the window's left and right sides).
 
     // These 4 compute old bounds ...
     auto moveAreaFunc = workspace()->inUpdateClientArea() ? &Workspace::previousRestrictedMoveArea : //... the restricted areas changed
         &Workspace::restrictedMoveArea; //... when e.g. active desktop or screen changes
 
     for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaTop)) {
         QRect rect = r & oldGeomTall;
         if (!rect.isEmpty()) {
             oldTopMax = std::max(oldTopMax, rect.y() + rect.height());
         }
     }
     for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaRight)) {
         QRect rect = r & oldGeomWide;
         if (!rect.isEmpty()) {
             oldRightMax = std::min(oldRightMax, rect.x());
         }
     }
     for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaBottom)) {
         QRect rect = r & oldGeomTall;
         if (!rect.isEmpty()) {
             oldBottomMax = std::min(oldBottomMax, rect.y());
         }
     }
     for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaLeft)) {
         QRect rect = r & oldGeomWide;
         if (!rect.isEmpty()) {
             oldLeftMax = std::max(oldLeftMax, rect.x() + rect.width());
         }
     }
 
     // These 4 compute new bounds
     for (const QRect &r : workspace()->restrictedMoveArea(desktop, StrutAreaTop)) {
         QRect rect = r & newGeomTall;
         if (!rect.isEmpty()) {
             topMax = std::max(topMax, rect.y() + rect.height());
         }
     }
     for (const QRect &r : workspace()->restrictedMoveArea(desktop, StrutAreaRight)) {
         QRect rect = r & newGeomWide;
         if (!rect.isEmpty()) {
             rightMax = std::min(rightMax, rect.x());
         }
     }
     for (const QRect &r : workspace()->restrictedMoveArea(desktop, StrutAreaBottom)) {
         QRect rect = r & newGeomTall;
         if (!rect.isEmpty()) {
             bottomMax = std::min(bottomMax, rect.y());
         }
     }
     for (const QRect &r : workspace()->restrictedMoveArea(desktop, StrutAreaLeft)) {
         QRect rect = r & newGeomWide;
         if (!rect.isEmpty()) {
             leftMax = std::max(leftMax, rect.x() + rect.width());
         }
     }
 
     // Check if the sides were inside or touching but are no longer
     enum {
         Left = 0,
         Top,
         Right,
         Bottom,
     };
     bool keep[4] = {false, false, false, false};
     bool save[4] = {false, false, false, false};
     if (oldGeometry.x() >= oldLeftMax) {
         save[Left] = newGeom.x() < leftMax;
     }
     if (oldGeometry.x() == oldLeftMax) {
         keep[Left] = newGeom.x() != leftMax;
     }
 
     if (oldGeometry.y() >= oldTopMax) {
         save[Top] = newGeom.y() < topMax;
     }
     if (oldGeometry.y() == oldTopMax) {
         keep[Top] = newGeom.y() != topMax;
     }
 
     if (oldGeometry.right() <= oldRightMax) {
         save[Right] = newGeom.right() > rightMax;
     }
     if (oldGeometry.right() == oldRightMax) {
         keep[Right] = newGeom.right() != rightMax;
     }
 
     if (oldGeometry.bottom() <= oldBottomMax) {
         save[Bottom] = newGeom.bottom() > bottomMax;
     }
     if (oldGeometry.bottom() == oldBottomMax) {
         keep[Bottom] = newGeom.bottom() != bottomMax;
     }
 
     // if randomly touches opposing edges, do not favor either
     if (keep[Left] && keep[Right]) {
         keep[Left] = keep[Right] = false;
     }
     if (keep[Top] && keep[Bottom]) {
         keep[Top] = keep[Bottom] = false;
     }
 
     if (save[Left] || keep[Left]) {
         newGeom.moveLeft(std::max(leftMax, screenArea.x()));
     }
     if (save[Top] || keep[Top]) {
         newGeom.moveTop(std::max(topMax, screenArea.y()));
     }
     if (save[Right] || keep[Right]) {
         newGeom.moveRight(std::min(rightMax, screenArea.right()) + 1);
     }
     if (save[Bottom] || keep[Bottom]) {
         newGeom.moveBottom(std::min(bottomMax, screenArea.bottom()) + 1);
     }
 
     if (oldGeometry.x() >= oldLeftMax && newGeom.x() < leftMax) {
         newGeom.setLeft(std::max(leftMax, screenArea.x()));
     }
     if (oldGeometry.y() >= oldTopMax && newGeom.y() < topMax) {
         newGeom.setTop(std::max(topMax, screenArea.y()));
     }
 
     checkOffscreenPosition(&newGeom, screenArea);
     // Obey size hints. TODO: We really should make sure it stays in the right place
     if (!isShade()) {
         newGeom.setSize(constrainFrameSize(newGeom.size()));
     }
 
     moveResize(newGeom);
 }
 
 void Window::checkOffscreenPosition(QRectF *geom, const QRectF &screenArea)
 {
     if (geom->left() > screenArea.right()) {
         geom->moveLeft(screenArea.right() - screenArea.width() / 4);
     } else if (geom->right() < screenArea.left()) {
         geom->moveRight(screenArea.left() + screenArea.width() / 4);
     }
     if (geom->top() > screenArea.bottom()) {
         geom->moveTop(screenArea.bottom() - screenArea.height() / 4);
     } else if (geom->bottom() < screenArea.top()) {
         geom->moveBottom(screenArea.top() + screenArea.width() / 4);
     }
 }
 
 /**
  * Constrains the client size @p size according to a set of the window's size hints.
  *
  * Default implementation applies only minimum and maximum size constraints.
  */
 QSizeF Window::constrainClientSize(const QSizeF &size, SizeMode mode) const
 {
     qreal width = size.width();
     qreal height = size.height();
 
     // When user is resizing the window, the move resize geometry may have negative width or
     // height. In which case, we need to set negative dimensions to reasonable values.
     if (width < 1) {
         width = 1;
     }
     if (height < 1) {
         height = 1;
     }
 
     const QSizeF minimumSize = minSize();
     const QSizeF maximumSize = maxSize();
 
     width = std::clamp(width, minimumSize.width(), maximumSize.width());
     height = std::clamp(height, minimumSize.height(), maximumSize.height());
 
     return QSizeF(width, height);
 }
 
 /**
  * Constrains the frame size @p size according to a set of the window's size hints.
  */
 QSizeF Window::constrainFrameSize(const QSizeF &size, SizeMode mode) const
 {
     const QSizeF unconstrainedClientSize = frameSizeToClientSize(size);
     const QSizeF constrainedClientSize = constrainClientSize(unconstrainedClientSize, mode);
     return clientSizeToFrameSize(constrainedClientSize);
 }
 
 QRectF Window::fullscreenGeometryRestore() const
 {
     return m_fullscreenGeometryRestore;
 }
 
 void Window::setFullscreenGeometryRestore(const QRectF &geom)
 {
     m_fullscreenGeometryRestore = geom;
 }
 
 /**
  * Returns @c true if the Window can be shown in full screen mode; otherwise @c false.
  *
  * Default implementation returns @c false.
  */
 bool Window::isFullScreenable() const
 {
     return false;
 }
 
 /**
  * Returns @c true if the Window is currently being shown in full screen mode; otherwise @c false.
  *
  * A window in full screen mode occupies the entire screen with no window frame around it.
  *
  * Default implementation returns @c false.
  */
 bool Window::isFullScreen() const
 {
     return false;
 }
 
 bool Window::isRequestedFullScreen() const
 {
     return isFullScreen();
 }
 
 /**
  * Asks the Window to enter or leave full screen mode.
  *
  * Default implementation does nothing.
  *
  * @param set @c true if the Window has to be shown in full screen mode, otherwise @c false
  */
 void Window::setFullScreen(bool set)
 {
     qCWarning(KWIN_CORE, "%s doesn't support setting fullscreen state", metaObject()->className());
 }
 
 /**
  * Returns @c true if the Window can be minimized; otherwise @c false.
  *
  * Default implementation returns @c false.
  */
 bool Window::isMinimizable() const
 {
     return false;
 }
 
 /**
  * Returns @c true if the Window can be maximized; otherwise @c false.
  *
  * Default implementation returns @c false.
  */
 bool Window::isMaximizable() const
 {
     return false;
 }
 
 /**
  * Returns the currently applied maximize mode.
  *
  * Default implementation returns MaximizeRestore.
  */
 MaximizeMode Window::maximizeMode() const
 {
     return MaximizeRestore;
 }
 
 /**
  * Returns the last requested maximize mode.
  *
  * On X11, this method always matches maximizeMode(). On Wayland, it is asynchronous.
  *
  * Default implementation matches maximizeMode().
  */
 MaximizeMode Window::requestedMaximizeMode() const
 {
     return maximizeMode();
 }
 
 /**
  * Returns the geometry of the Window before it was maximized or quick tiled.
  */
 QRectF Window::geometryRestore() const
 {
     return m_maximizeGeometryRestore;
 }
 
 /**
  * Sets the geometry of the Window before it was maximized or quick tiled to @p rect.
  */
 void Window::setGeometryRestore(const QRectF &rect)
 {
     m_maximizeGeometryRestore = rect;
 }
 
 void Window::invalidateDecoration()
 {
 }
 
 bool Window::noBorder() const
 {
     return true;
 }
 
 bool Window::userCanSetNoBorder() const
 {
     return false;
 }
 
 void Window::setNoBorder(bool set)
 {
     qCWarning(KWIN_CORE, "%s doesn't support setting decorations", metaObject()->className());
 }
 
 void Window::checkNoBorder()
 {
     setNoBorder(false);
 }
 
 void Window::showOnScreenEdge()
 {
     qCWarning(KWIN_CORE, "%s doesn't support screen edge activation", metaObject()->className());
 }
 
 bool Window::isPlaceable() const
 {
     return true;
 }
 
 void Window::cleanTabBox()
 {
 #if KWIN_BUILD_TABBOX
     TabBox::TabBox *tabBox = workspace()->tabbox();
     if (tabBox && tabBox->isDisplayed() && tabBox->currentClient() == this) {
         tabBox->nextPrev(true);
     }
 #endif
 }
 
 bool Window::supportsWindowRules() const
 {
     return false;
 }
 
 void Window::removeRule(Rules *rule)
 {
     m_rules.remove(rule);
 }
 
 void Window::evaluateWindowRules()
 {
     setupWindowRules();
     applyWindowRules();
 }
 
 void Window::setupWindowRules()
 {
     disconnect(this, &Window::captionNormalChanged, this, &Window::evaluateWindowRules);
     m_rules = workspace()->rulebook()->find(this);
     // check only after getting the rules, because there may be a rule forcing window type
 }
 
 void Window::updateWindowRules(Rules::Types selection)
 {
     if (workspace()->rulebook()->areUpdatesDisabled()) {
         return;
     }
     m_rules.update(this, selection);
 }
 
 void Window::finishWindowRules()
 {
     disconnect(this, &Window::captionNormalChanged, this, &Window::evaluateWindowRules);
     updateWindowRules(Rules::All);
     m_rules = WindowRules();
 }
 
 // Applies Force, ForceTemporarily and ApplyNow rules
 // Used e.g. after the rules have been modified using the kcm.
 void Window::applyWindowRules()
 {
     Q_ASSERT(!isDeleted());
     // apply force rules
     // Placement - does need explicit update, just like some others below
     // Geometry : setGeometry() doesn't check rules
     auto client_rules = rules();
     const QRectF oldGeometry = moveResizeGeometry();
     const QRectF geometry = client_rules->checkGeometrySafe(oldGeometry);
     if (geometry != oldGeometry) {
         moveResize(geometry);
     }
     // MinSize, MaxSize handled by Geometry
     // IgnoreGeometry
     setDesktops(desktops());
     workspace()->sendWindowToOutput(this, moveResizeOutput());
     setOnActivities(activities());
     // Type
     maximize(requestedMaximizeMode());
     setMinimized(isMinimized());
     setShade(shadeMode());
     setOriginalSkipTaskbar(skipTaskbar());
     setSkipPager(skipPager());
     setSkipSwitcher(skipSwitcher());
     setKeepAbove(keepAbove());
     setKeepBelow(keepBelow());
     setFullScreen(isRequestedFullScreen());
     setNoBorder(noBorder());
     updateColorScheme();
     updateLayer();
     // FSP
     // AcceptFocus :
     if (workspace()->mostRecentlyActivatedWindow() == this
         && !client_rules->checkAcceptFocus(true)) {
         workspace()->activateNextWindow(this);
     }
     // Autogrouping : Only checked on window manage
     // AutogroupInForeground : Only checked on window manage
     // AutogroupById : Only checked on window manage
     // StrictGeometry
     setShortcut(rules()->checkShortcut(shortcut().toString()));
     // see also X11Window::setActive()
     if (isActive()) {
         setOpacity(rules()->checkOpacityActive(qRound(opacity() * 100.0)) / 100.0);
         workspace()->disableGlobalShortcutsForClient(rules()->checkDisableGlobalShortcuts(false));
     } else {
         setOpacity(rules()->checkOpacityInactive(qRound(opacity() * 100.0)) / 100.0);
     }
     setDesktopFileName(rules()->checkDesktopFile(desktopFileName()));
 }
 
 void Window::setLastUsageSerial(quint32 serial)
 {
     if (m_lastUsageSerial < serial) {
         m_lastUsageSerial = serial;
     }
 }
 
 quint32 Window::lastUsageSerial() const
 {
     return m_lastUsageSerial;
 }
 
 uint32_t Window::interactiveMoveResizeCount() const
 {
     return m_interactiveMoveResize.counter;
 }
 
 void Window::setLockScreenOverlay(bool allowed)
 {
     if (m_lockScreenOverlay == allowed) {
         return;
     }
     m_lockScreenOverlay = allowed;
     Q_EMIT lockScreenOverlayChanged();
 }
 
 bool Window::isLockScreenOverlay() const
 {
     return m_lockScreenOverlay;
 }
 
 void Window::refOffscreenRendering()
 {
     if (m_offscreenRenderCount == 0) {
         m_offscreenFramecallbackTimer.start(1'000'000 / output()->refreshRate());
     }
     m_offscreenRenderCount++;
 }
 
 void Window::unrefOffscreenRendering()
 {
     Q_ASSERT(m_offscreenRenderCount);
     m_offscreenRenderCount--;
     if (m_offscreenRenderCount == 0) {
         m_offscreenFramecallbackTimer.stop();
     }
 }
 
 void Window::maybeSendFrameCallback()
 {
     if (m_surface && !m_windowItem->isVisible()) {
         const auto timestamp = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
         m_surface->traverseTree([this, &timestamp](SurfaceInterface *surface) {
             surface->frameRendered(timestamp);
             const auto feedback = surface->takePresentationFeedback(nullptr);
             if (feedback) {
                 feedback->presented(std::chrono::nanoseconds(1'000'000'000'000 / output()->refreshRate()), std::chrono::steady_clock::now().time_since_epoch(), PresentationMode::VSync);
             }
         });
         // update refresh rate, it might have changed
         m_offscreenFramecallbackTimer.start(1'000'000 / output()->refreshRate());
     }
 }
 
 WindowOffscreenRenderRef::WindowOffscreenRenderRef(Window *window)
     : m_window(window)
 {
     window->refOffscreenRendering();
 }
 
 WindowOffscreenRenderRef::~WindowOffscreenRenderRef()
 {
     if (m_window) {
         m_window->unrefOffscreenRendering();
     }
 }
 
 bool Window::isShown() const
 {
     return !isDeleted() && !isHidden() && !isHiddenByShowDesktop() && !isMinimized();
 }
 
 bool Window::isHidden() const
 {
     return m_hidden;
 }
 
 void Window::setHidden(bool hidden)
 {
     if (m_hidden == hidden) {
         return;
     }
     m_hidden = hidden;
     doSetHidden();
     if (hidden) {
         workspace()->windowHidden(this);
         Q_EMIT windowHidden(this);
     } else {
         Q_EMIT windowShown(this);
     }
 }
 
 bool Window::isHiddenByShowDesktop() const
 {
     return m_hiddenByShowDesktop;
 }
 
 void Window::setHiddenByShowDesktop(bool hidden)
 {
     if (m_hiddenByShowDesktop != hidden) {
         m_hiddenByShowDesktop = hidden;
         doSetHiddenByShowDesktop();
         Q_EMIT hiddenByShowDesktopChanged();
     }
 }
 
 bool Window::isSuspended() const
 {
     return m_suspended;
 }
 
 void Window::setSuspended(bool suspended)
 {
     if (isDeleted()) {
         return;
     }
     if (m_suspended != suspended) {
         m_suspended = suspended;
         doSetSuspended();
     }
 }
 
 void Window::doSetSuspended()
 {
 }
 
 } // namespace KWin
 
 #include "moc_window.cpp"