diff --git a/abstract_client.cpp b/abstract_client.cpp
index 213725352..e3a3c8438 100644
--- a/abstract_client.cpp
+++ b/abstract_client.cpp
@@ -1,3400 +1,3409 @@
 /********************************************************************
  KWin - the KDE window manager
  This file is part of the KDE project.
 
 Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
 Copyright (C) 2019 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *********************************************************************/
 #include "abstract_client.h"
 
 #include "appmenu.h"
 #include "decorations/decoratedclient.h"
 #include "decorations/decorationpalette.h"
 #include "decorations/decorationbridge.h"
 #include "cursor.h"
 #include "effects.h"
 #include "focuschain.h"
 #include "outline.h"
 #include "screens.h"
 #ifdef KWIN_BUILD_TABBOX
 #include "tabbox.h"
 #endif
 #include "screenedge.h"
 #include "useractions.h"
 #include "workspace.h"
 
 #include "wayland_server.h"
 #include <KWaylandServer/plasmawindowmanagement_interface.h>
 
 #include <KDecoration2/Decoration>
 
 #include <KDesktopFile>
 
+#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>> AbstractClient::s_palettes;
 std::shared_ptr<Decoration::DecorationPalette> AbstractClient::s_defaultPalette;
 
 AbstractClient::AbstractClient()
     : Toplevel()
 #ifdef KWIN_BUILD_TABBOX
     , m_tabBoxClient(QSharedPointer<TabBox::TabBoxClientImpl>(new TabBox::TabBoxClientImpl(this)))
 #endif
     , m_colorScheme(QStringLiteral("kdeglobals"))
 {
     connect(this, &AbstractClient::clientStartUserMovedResized,  this, &AbstractClient::moveResizedChanged);
     connect(this, &AbstractClient::clientFinishUserMovedResized, this, &AbstractClient::moveResizedChanged);
     connect(this, &AbstractClient::clientStartUserMovedResized,  this, &AbstractClient::removeCheckScreenConnection);
     connect(this, &AbstractClient::clientFinishUserMovedResized, this, &AbstractClient::setupCheckScreenConnection);
 
     connect(this, &AbstractClient::paletteChanged, this, &AbstractClient::triggerDecorationRepaint);
 
     connect(Decoration::DecorationBridge::self(), &QObject::destroyed, this, &AbstractClient::destroyDecoration);
 
     // If the user manually moved the window, don't restore it after the keyboard closes
     connect(this, &AbstractClient::clientFinishUserMovedResized, this, [this] () {
         m_keyboardGeometryRestore = QRect();
     });
     connect(this, qOverload<AbstractClient *, bool, bool>(&AbstractClient::clientMaximizedStateChanged), this, [this] () {
         m_keyboardGeometryRestore = QRect();
     });
     connect(this, &AbstractClient::fullScreenChanged, this, [this] () {
         m_keyboardGeometryRestore = QRect();
     });
 
     // replace on-screen-display on size changes
     connect(this, &AbstractClient::frameGeometryChanged, this,
         [this] (Toplevel *c, const QRect &old) {
             Q_UNUSED(c)
             if (isOnScreenDisplay() && !frameGeometry().isEmpty() && old.size() != frameGeometry().size() && !isInitialPositionSet()) {
                 GeometryUpdatesBlocker blocker(this);
                 const QRect area = workspace()->clientArea(PlacementArea, Screens::self()->current(), desktop());
                 Placement::self()->place(this, area);
                 setGeometryRestore(frameGeometry());
             }
         }
     );
 
     connect(this, &AbstractClient::paddingChanged, this, [this]() {
         m_visibleRectBeforeGeometryUpdate = visibleRect();
     });
 
     connect(ApplicationMenu::self(), &ApplicationMenu::applicationMenuEnabledChanged, this, [this] {
         emit hasApplicationMenuChanged(hasApplicationMenu());
     });
 }
 
 AbstractClient::~AbstractClient()
 {
     Q_ASSERT(m_blockGeometryUpdates == 0);
     Q_ASSERT(m_decoration.decoration == nullptr);
 }
 
 void AbstractClient::updateMouseGrab()
 {
 }
 
 bool AbstractClient::belongToSameApplication(const AbstractClient *c1, const AbstractClient *c2, SameApplicationChecks checks)
 {
     return c1->belongsToSameApplication(c2, checks);
 }
 
 bool AbstractClient::isTransient() const
 {
     return false;
 }
 
 void AbstractClient::setClientShown(bool shown)
 {
     Q_UNUSED(shown)
 }
 
 xcb_timestamp_t AbstractClient::userTime() const
 {
     return XCB_TIME_CURRENT_TIME;
 }
 
 void AbstractClient::setSkipSwitcher(bool set)
 {
     set = rules()->checkSkipSwitcher(set);
     if (set == skipSwitcher())
         return;
     m_skipSwitcher = set;
     doSetSkipSwitcher();
     updateWindowRules(Rules::SkipSwitcher);
     emit skipSwitcherChanged();
 }
 
 void AbstractClient::setSkipPager(bool b)
 {
     b = rules()->checkSkipPager(b);
     if (b == skipPager())
         return;
     m_skipPager = b;
     doSetSkipPager();
     updateWindowRules(Rules::SkipPager);
     emit skipPagerChanged();
 }
 
 void AbstractClient::doSetSkipPager()
 {
 }
 
 void AbstractClient::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()) {
         FocusChain::self()->update(this, isActive() ? FocusChain::MakeFirst : FocusChain::Update);
     }
     emit skipTaskbarChanged();
 }
 
 void AbstractClient::setOriginalSkipTaskbar(bool b)
 {
     m_originalSkipTaskbar = rules()->checkSkipTaskbar(b);
     setSkipTaskbar(m_originalSkipTaskbar);
 }
 
 void AbstractClient::doSetSkipTaskbar()
 {
 
 }
 
 void AbstractClient::doSetSkipSwitcher()
 {
 
 }
 
 void AbstractClient::setIcon(const QIcon &icon)
 {
     m_icon = icon;
     emit iconChanged();
 }
 
 void AbstractClient::setActive(bool act)
 {
     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()->setActiveClient(act ? this : nullptr);
 
     if (!m_active)
         cancelAutoRaise();
 
     if (!m_active && shadeMode() == ShadeActivated)
         setShade(ShadeNormal);
 
     StackingUpdatesBlocker blocker(workspace());
     workspace()->updateClientLayer(this);   // active windows may get different layer
     auto mainclients = mainClients();
     for (auto it = mainclients.constBegin();
             it != mainclients.constEnd();
             ++it)
         if ((*it)->isFullScreen())  // fullscreens go high even if their transient is active
             workspace()->updateClientLayer(*it);
 
     doSetActive();
     emit activeChanged();
     updateMouseGrab();
 }
 
 void AbstractClient::doSetActive()
 {
 }
 
 Layer AbstractClient::layer() const
 {
     if (m_layer == UnknownLayer)
         const_cast< AbstractClient* >(this)->m_layer = belongsToLayer();
     return m_layer;
 }
 
 void AbstractClient::updateLayer()
 {
     if (layer() == belongsToLayer())
         return;
     StackingUpdatesBlocker blocker(workspace());
     invalidateLayer(); // invalidate, will be updated when doing restacking
     for (auto it = transients().constBegin(),
                                   end = transients().constEnd(); it != end; ++it)
         (*it)->updateLayer();
 }
 
 void AbstractClient::placeIn(const QRect &area)
 {
     // TODO: Get rid of this method eventually. We need to call setGeometryRestore() because
     // checkWorkspacePosition() operates on geometryRestore() and because of quick tiling.
     Placement::self()->place(this, area);
     setGeometryRestore(frameGeometry());
 }
 
 void AbstractClient::invalidateLayer()
 {
     m_layer = UnknownLayer;
 }
 
 Layer AbstractClient::belongsToLayer() const
 {
     // NOTICE while showingDesktop, desktops move to the AboveLayer
     // (interchangeable w/ eg. yakuake etc. which will at first remain visible)
     // and the docks move into the NotificationLayer (which is between Above- and
     // ActiveLayer, so that active fullscreen windows will still cover everything)
     // Since the desktop is also activated, nothing should be in the ActiveLayer, though
     if (isInternal())
         return UnmanagedLayer;
     if (isLockScreen())
         return UnmanagedLayer;
     if (isDesktop())
         return workspace()->showingDesktop() ? AboveLayer : DesktopLayer;
     if (isSplash())          // no damn annoying splashscreens
         return NormalLayer; // getting in the way of everything else
     if (isDock()) {
         if (workspace()->showingDesktop())
             return NotificationLayer;
         return layerForDock();
     }
     if (isOnScreenDisplay())
         return OnScreenDisplayLayer;
     if (isNotification())
         return NotificationLayer;
     if (isCriticalNotification())
         return CriticalNotificationLayer;
     if (workspace()->showingDesktop() && belongsToDesktop()) {
         return AboveLayer;
     }
     if (keepBelow())
         return BelowLayer;
     if (isActiveFullScreen())
         return ActiveLayer;
     if (keepAbove())
         return AboveLayer;
 
     return NormalLayer;
 }
 
 bool AbstractClient::belongsToDesktop() const
 {
     return false;
 }
 
 Layer AbstractClient::layerForDock() const
 {
     // slight hack for the 'allow window to cover panel' Kicker setting
     // don't move keepbelow docks below normal window, but only to the same
     // layer, so that both may be raised to cover the other
     if (keepBelow())
         return NormalLayer;
     if (keepAbove()) // slight hack for the autohiding panels
         return AboveLayer;
     return DockLayer;
 }
 
 void AbstractClient::setKeepAbove(bool b)
 {
     b = rules()->checkKeepAbove(b);
     if (b && !rules()->checkKeepBelow(false))
         setKeepBelow(false);
     if (b == keepAbove()) {
         return;
     }
     m_keepAbove = b;
     doSetKeepAbove();
     workspace()->updateClientLayer(this);
     updateWindowRules(Rules::Above);
 
     emit keepAboveChanged(m_keepAbove);
 }
 
 void AbstractClient::doSetKeepAbove()
 {
 }
 
 void AbstractClient::setKeepBelow(bool b)
 {
     b = rules()->checkKeepBelow(b);
     if (b && !rules()->checkKeepAbove(false))
         setKeepAbove(false);
     if (b == keepBelow()) {
         return;
     }
     m_keepBelow = b;
     doSetKeepBelow();
     workspace()->updateClientLayer(this);
     updateWindowRules(Rules::Below);
 
     emit keepBelowChanged(m_keepBelow);
 }
 
 void AbstractClient::doSetKeepBelow()
 {
 }
 
 void AbstractClient::startAutoRaise()
 {
     delete m_autoRaiseTimer;
     m_autoRaiseTimer = new QTimer(this);
     connect(m_autoRaiseTimer, &QTimer::timeout, this, &AbstractClient::autoRaise);
     m_autoRaiseTimer->setSingleShot(true);
     m_autoRaiseTimer->start(options->autoRaiseInterval());
 }
 
 void AbstractClient::cancelAutoRaise()
 {
     delete m_autoRaiseTimer;
     m_autoRaiseTimer = nullptr;
 }
 
 void AbstractClient::autoRaise()
 {
     workspace()->raiseClient(this);
     cancelAutoRaise();
 }
 
 bool AbstractClient::wantsTabFocus() const
 {
     return (isNormalWindow() || isDialog()) && wantsInput();
 }
 
 bool AbstractClient::isSpecialWindow() const
 {
     // TODO
     return isDesktop() || isDock() || isSplash() || isToolbar() || isNotification() || isOnScreenDisplay() || isCriticalNotification();
 }
 
 void AbstractClient::demandAttention(bool set)
 {
     if (isActive())
         set = false;
     if (m_demandsAttention == set)
         return;
     m_demandsAttention = set;
     doSetDemandsAttention();
     workspace()->clientAttentionChanged(this, set);
     emit demandsAttentionChanged();
 }
 
 void AbstractClient::doSetDemandsAttention()
 {
 }
 
 void AbstractClient::setDesktop(int desktop)
 {
     const int numberOfDesktops = VirtualDesktopManager::self()->count();
     if (desktop != NET::OnAllDesktops)   // Do range check
         desktop = qMax(1, qMin(numberOfDesktops, desktop));
     desktop = qMin(numberOfDesktops, rules()->checkDesktop(desktop));
 
     QVector<VirtualDesktop *> desktops;
     if (desktop != NET::OnAllDesktops) {
        desktops << VirtualDesktopManager::self()->desktopForX11Id(desktop);
     }
     setDesktops(desktops);
 }
 
 void AbstractClient::setDesktops(QVector<VirtualDesktop*> desktops)
 {
     //on x11 we can have only one desktop at a time
     if (kwinApp()->operationMode() == Application::OperationModeX11 && desktops.size() > 1) {
         desktops = QVector<VirtualDesktop*>({desktops.last()});
     }
 
     if (desktops == m_desktops) {
         return;
     }
 
     int was_desk = AbstractClient::desktop();
     const bool wasOnCurrentDesktop = isOnCurrentDesktop() && was_desk >= 0;
 
     m_desktops = desktops;
 
     if (windowManagementInterface()) {
         if (m_desktops.isEmpty()) {
             windowManagementInterface()->setOnAllDesktops(true);
         } else {
             windowManagementInterface()->setOnAllDesktops(false);
             auto currentDesktops = windowManagementInterface()->plasmaVirtualDesktops();
             for (auto desktop: m_desktops) {
                 if (!currentDesktops.contains(desktop->id())) {
                     windowManagementInterface()->addPlasmaVirtualDesktop(desktop->id());
                 } else {
                     currentDesktops.removeOne(desktop->id());
                 }
             }
             for (auto desktopId: currentDesktops) {
                 windowManagementInterface()->removePlasmaVirtualDesktop(desktopId);
             }
         }
     }
     if (info) {
         info->setDesktop(desktop());
     }
 
     if ((was_desk == NET::OnAllDesktops) != (desktop() == NET::OnAllDesktops)) {
         // onAllDesktops changed
         workspace()->updateOnAllDesktopsOfTransients(this);
     }
 
     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
     {
         foreach (AbstractClient * c2, mainClients())
         c2->setDesktops(desktops);
     }
 
     doSetDesktop();
 
     FocusChain::self()->update(this, FocusChain::MakeFirst);
     updateWindowRules(Rules::Desktop);
 
     emit desktopChanged();
     if (wasOnCurrentDesktop != isOnCurrentDesktop())
         emit desktopPresenceChanged(this, was_desk);
     emit x11DesktopIdsChanged();
 }
 
 void AbstractClient::doSetDesktop()
 {
 }
 
 void AbstractClient::enterDesktop(VirtualDesktop *virtualDesktop)
 {
     if (m_desktops.contains(virtualDesktop)) {
         return;
     }
     auto desktops = m_desktops;
     desktops.append(virtualDesktop);
     setDesktops(desktops);
 }
 
 void AbstractClient::leaveDesktop(VirtualDesktop *virtualDesktop)
 {
     QVector<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 AbstractClient::setOnAllDesktops(bool b)
 {
     if ((b && isOnAllDesktops()) ||
             (!b && !isOnAllDesktops()))
         return;
     if (b)
         setDesktop(NET::OnAllDesktops);
     else
         setDesktop(VirtualDesktopManager::self()->current());
 }
 
 QVector<uint> AbstractClient::x11DesktopIds() const
 {
     const auto desks = desktops();
     QVector<uint> x11Ids;
     x11Ids.reserve(desks.count());
     std::transform(desks.constBegin(), desks.constEnd(),
         std::back_inserter(x11Ids),
         [] (const VirtualDesktop *vd) {
             return vd->x11DesktopNumber();
         }
     );
     return x11Ids;
 }
 
 ShadeMode AbstractClient::shadeMode() const
 {
     return m_shadeMode;
 }
 
 bool AbstractClient::isShadeable() const
 {
     return false;
 }
 
 void AbstractClient::setShade(bool set)
 {
     set ? setShade(ShadeNormal) : setShade(ShadeNone);
 }
 
 void AbstractClient::setShade(ShadeMode mode)
 {
     if (!isShadeable())
         return;
     if (mode == ShadeHover && isMove())
         return; // causes geometry breaks and is probably nasty
     if (isSpecialWindow() || noBorder())
         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
         emit shadeChanged();
         return; // No real change in shaded state
     }
 
     Q_ASSERT(isDecorated());
     GeometryUpdatesBlocker blocker(this);
 
     doSetShade(previousShadeMode);
 
     discardWindowPixmap();
     updateWindowRules(Rules::Shade);
 
     emit shadeChanged();
 }
 
 void AbstractClient::doSetShade(ShadeMode previousShadeMode)
 {
     Q_UNUSED(previousShadeMode)
 }
 
 void AbstractClient::shadeHover()
 {
     setShade(ShadeHover);
     cancelShadeHoverTimer();
 }
 
 void AbstractClient::shadeUnhover()
 {
     setShade(ShadeNormal);
     cancelShadeHoverTimer();
 }
 
 void AbstractClient::startShadeHoverTimer()
 {
     if (!isShade())
         return;
     m_shadeHoverTimer = new QTimer(this);
     connect(m_shadeHoverTimer, &QTimer::timeout, this, &AbstractClient::shadeHover);
     m_shadeHoverTimer->setSingleShot(true);
     m_shadeHoverTimer->start(options->shadeHoverInterval());
 }
 
 void AbstractClient::startShadeUnhoverTimer()
 {
     if (m_shadeMode == ShadeHover && !isMoveResize() && !isMoveResizePointerButtonDown()) {
         m_shadeHoverTimer = new QTimer(this);
         connect(m_shadeHoverTimer, &QTimer::timeout, this, &AbstractClient::shadeUnhover);
         m_shadeHoverTimer->setSingleShot(true);
         m_shadeHoverTimer->start(options->shadeHoverInterval());
     }
 }
 
 void AbstractClient::cancelShadeHoverTimer()
 {
     delete m_shadeHoverTimer;
     m_shadeHoverTimer = nullptr;
 }
 
 void AbstractClient::toggleShade()
 {
     // If the mode is ShadeHover or ShadeActive, cancel shade too.
     setShade(shadeMode() == ShadeNone ? ShadeNormal : ShadeNone);
 }
 
 AbstractClient::Position AbstractClient::titlebarPosition() const
 {
     // TODO: still needed, remove?
     return PositionTop;
 }
 
 bool AbstractClient::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 AbstractClient::PositionTop:
         return (sectionUnderMouse == Qt::TopLeftSection || sectionUnderMouse == Qt::TopSection || sectionUnderMouse == Qt::TopRightSection);
     case AbstractClient::PositionLeft:
         return (sectionUnderMouse == Qt::TopLeftSection || sectionUnderMouse == Qt::LeftSection || sectionUnderMouse == Qt::BottomLeftSection);
     case AbstractClient::PositionRight:
         return (sectionUnderMouse == Qt::BottomRightSection || sectionUnderMouse == Qt::RightSection || sectionUnderMouse == Qt::TopRightSection);
     case AbstractClient::PositionBottom:
         return (sectionUnderMouse == Qt::BottomLeftSection || sectionUnderMouse == Qt::BottomSection || sectionUnderMouse == Qt::BottomRightSection);
     default:
         // nothing
         return false;
     }
 }
 
 void AbstractClient::setMinimized(bool set)
 {
     set ? minimize() : unminimize();
 }
 
 void AbstractClient::minimize(bool avoid_animation)
 {
     if (!isMinimizable() || isMinimized())
         return;
 
     m_minimized = true;
     doMinimize();
 
     updateWindowRules(Rules::Minimize);
     FocusChain::self()->update(this, FocusChain::MakeFirstMinimized);
     // TODO: merge signal with s_minimized
     addWorkspaceRepaint(visibleRect());
     emit clientMinimized(this, !avoid_animation);
     emit minimizedChanged();
 }
 
 void AbstractClient::unminimize(bool avoid_animation)
 {
     if (!isMinimized())
         return;
 
     if (rules()->checkMinimize(false)) {
         return;
     }
 
     m_minimized = false;
     doMinimize();
 
     updateWindowRules(Rules::Minimize);
     emit clientUnminimized(this, !avoid_animation);
     emit minimizedChanged();
 }
 
 void AbstractClient::doMinimize()
 {
 }
 
 QPalette AbstractClient::palette() const
 {
     if (!m_palette) {
         return QPalette();
     }
     return m_palette->palette();
 }
 
 const Decoration::DecorationPalette *AbstractClient::decorationPalette() const
 {
     return m_palette.get();
 }
 
 void AbstractClient::updateColorScheme(QString path)
 {
     if (path.isEmpty()) {
         path = QStringLiteral("kdeglobals");
     }
 
     if (!m_palette || m_colorScheme != path) {
         m_colorScheme = path;
 
         if (m_palette) {
             disconnect(m_palette.get(), &Decoration::DecorationPalette::changed, this, &AbstractClient::handlePaletteChange);
         }
 
         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, &AbstractClient::handlePaletteChange);
 
         emit paletteChanged(palette());
         emit colorSchemeChanged();
     }
 }
 
 void AbstractClient::handlePaletteChange()
 {
     emit paletteChanged(palette());
 }
 
 void AbstractClient::keepInArea(QRect area, bool partial)
 {
     if (partial) {
         // increase the area so that can have only 100 pixels in the area
         area.setLeft(qMin(area.left() - width() + 100, area.left()));
         area.setTop(qMin(area.top() - height() + 100, area.top()));
         area.setRight(qMax(area.right() + width() - 100, area.right()));
         area.setBottom(qMax(area.bottom() + height() - 100, area.bottom()));
     }
     if (!partial) {
         // resize to fit into area
         if (area.width() < width() || area.height() < height())
             resizeWithChecks(size().boundedTo(area.size()));
     }
     int tx = x(), ty = y();
     if (frameGeometry().right() > area.right() && width() <= area.width())
         tx = area.right() - width() + 1;
     if (frameGeometry().bottom() > area.bottom() && height() <= area.height())
         ty = area.bottom() - height() + 1;
     if (!area.contains(frameGeometry().topLeft())) {
         if (tx < area.x())
             tx = area.x();
         if (ty < area.y())
             ty = area.y();
     }
     if (tx != x() || ty != y())
         move(tx, ty);
 }
 
 /**
  * Returns the maximum client size, not the maximum frame size.
  */
 QSize AbstractClient::maxSize() const
 {
     return rules()->checkMaxSize(QSize(INT_MAX, INT_MAX));
 }
 
 /**
  * Returns the minimum client size, not the minimum frame size.
  */
 QSize AbstractClient::minSize() const
 {
     return rules()->checkMinSize(QSize(0, 0));
 }
 
 void AbstractClient::blockGeometryUpdates(bool block)
 {
     if (block) {
         if (m_blockGeometryUpdates == 0)
             m_pendingGeometryUpdate = PendingGeometryNone;
         ++m_blockGeometryUpdates;
     } else {
         if (--m_blockGeometryUpdates == 0) {
             if (m_pendingGeometryUpdate != PendingGeometryNone) {
                 if (isShade())
                     setFrameGeometry(QRect(pos(), adjustedSize()), NormalGeometrySet);
                 else
                     setFrameGeometry(frameGeometry(), NormalGeometrySet);
                 m_pendingGeometryUpdate = PendingGeometryNone;
             }
         }
     }
 }
 
 void AbstractClient::maximize(MaximizeMode m)
 {
     setMaximize(m & MaximizeVertical, m & MaximizeHorizontal);
 }
 
 void AbstractClient::setMaximize(bool vertically, bool horizontally)
 {
     // changeMaximize() flips the state, so change from set->flip
     const MaximizeMode oldMode = maximizeMode();
     changeMaximize(
         oldMode & MaximizeHorizontal ? !horizontally : horizontally,
         oldMode & MaximizeVertical ? !vertically : vertically,
         false);
     const MaximizeMode newMode = maximizeMode();
     if (oldMode != newMode) {
         emit clientMaximizedStateChanged(this, newMode);
         emit clientMaximizedStateChanged(this, vertically, horizontally);
     }
 }
 
 void AbstractClient::move(int x, int y, ForceGeometry_t force)
 {
     // resuming geometry updates is handled only in setGeometry()
     Q_ASSERT(pendingGeometryUpdate() == PendingGeometryNone || areGeometryUpdatesBlocked());
     QPoint p(x, y);
     if (!areGeometryUpdatesBlocked() && p != rules()->checkPosition(p)) {
         qCDebug(KWIN_CORE) << "forced position fail:" << p << ":" << rules()->checkPosition(p);
     }
     if (force == NormalGeometrySet && m_frameGeometry.topLeft() == p)
         return;
     m_frameGeometry.moveTopLeft(p);
     if (areGeometryUpdatesBlocked()) {
         if (pendingGeometryUpdate() == PendingGeometryForced)
             {} // maximum, nothing needed
         else if (force == ForceGeometrySet)
             setPendingGeometryUpdate(PendingGeometryForced);
         else
             setPendingGeometryUpdate(PendingGeometryNormal);
         return;
     }
     doMove(x, y);
     updateWindowRules(Rules::Position);
     screens()->setCurrent(this);
     workspace()->updateStackingOrder();
     // client itself is not damaged
     emit frameGeometryChanged(this, frameGeometryBeforeUpdateBlocking());
     addRepaintDuringGeometryUpdates();
     updateGeometryBeforeUpdateBlocking();
 }
 
 bool AbstractClient::startMoveResize()
 {
     Q_ASSERT(!isMoveResize());
     Q_ASSERT(QWidget::keyboardGrabber() == nullptr);
     Q_ASSERT(QWidget::mouseGrabber() == nullptr);
     stopDelayedMoveResize();
     if (QApplication::activePopupWidget() != nullptr)
         return false; // popups have grab
     if (isFullScreen() && (screens()->count() < 2 || !isMovableAcrossScreens()))
         return false;
     if (!doStartMoveResize()) {
         return false;
     }
 
     invalidateDecorationDoubleClickTimer();
 
     setMoveResize(true);
     workspace()->setMoveResizeClient(this);
 
     const Position mode = moveResizePointerMode();
     if (mode != PositionCenter) { // means "isResize()" but moveResizeMode = true is set below
         if (maximizeMode() == MaximizeFull) { // partial is cond. reset in finishMoveResize
             setGeometryRestore(frameGeometry()); // "restore" to current geometry
             setMaximize(false, false);
         }
     }
 
     if (quickTileMode() != QuickTileMode(QuickTileFlag::None) && mode != PositionCenter) { // Cannot use isResize() yet
         // Exit quick tile mode when the user attempts to resize a tiled window
         updateQuickTileMode(QuickTileFlag::None); // Do so without restoring original geometry
         setGeometryRestore(frameGeometry());
         emit quickTileModeChanged();
     }
 
     updateHaveResizeEffect();
     updateInitialMoveResizeGeometry();
     checkUnrestrictedMoveResize();
     emit clientStartUserMovedResized(this);
     if (ScreenEdges::self()->isDesktopSwitchingMovingClients())
         ScreenEdges::self()->reserveDesktopSwitching(true, Qt::Vertical|Qt::Horizontal);
     return true;
 }
 
 void AbstractClient::finishMoveResize(bool cancel)
 {
     GeometryUpdatesBlocker blocker(this);
     const bool wasResize = isResize(); // store across leaveMoveResize
     leaveMoveResize();
 
     if (cancel)
         setFrameGeometry(initialMoveResizeGeometry());
     else {
         const QRect &moveResizeGeom = moveResizeGeometry();
         if (wasResize) {
             const bool restoreH = maximizeMode() == MaximizeHorizontal &&
                                     moveResizeGeom.width() != initialMoveResizeGeometry().width();
             const bool restoreV = maximizeMode() == MaximizeVertical &&
                                     moveResizeGeom.height() != initialMoveResizeGeometry().height();
             if (restoreH || restoreV) {
                 changeMaximize(restoreH, restoreV, false);
             }
         }
         setFrameGeometry(moveResizeGeom);
     }
     checkScreen(); // needs to be done because clientFinishUserMovedResized has not yet re-activated online alignment
     if (screen() != moveResizeStartScreen()) {
         workspace()->sendClientToScreen(this, screen()); // checks rule validity
         if (maximizeMode() != MaximizeRestore)
             checkWorkspacePosition();
     }
 
     if (isElectricBorderMaximizing()) {
         setQuickTileMode(electricBorderMode());
         setElectricBorderMaximizing(false);
     } else if (!cancel) {
         QRect geom_restore = geometryRestore();
         if (!(maximizeMode() & MaximizeHorizontal)) {
             geom_restore.setX(frameGeometry().x());
             geom_restore.setWidth(frameGeometry().width());
         }
         if (!(maximizeMode() & MaximizeVertical)) {
             geom_restore.setY(frameGeometry().y());
             geom_restore.setHeight(frameGeometry().height());
         }
         setGeometryRestore(geom_restore);
     }
 // FRAME    update();
 
     emit clientFinishUserMovedResized(this);
 }
 
 // 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 AbstractClient::checkUnrestrictedMoveResize()
 {
     if (isUnrestrictedMoveResize())
         return;
     const QRect &moveResizeGeom = moveResizeGeometry();
     QRect desktopArea = workspace()->clientArea(WorkArea, moveResizeGeom.center(), desktop());
     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 = qMin(100 + borderRight(), moveResizeGeom.width());
     right_marge = qMin(100 + borderLeft(), moveResizeGeom.width());
     // width/height change with opaque resizing, use the initial ones
     titlebar_marge = initialMoveResizeGeometry().height();
     top_marge = borderBottom();
     bottom_marge = borderTop();
     if (isResize()) {
         if (moveResizeGeom.bottom() < desktopArea.top() + top_marge)
             setUnrestrictedMoveResize(true);
         if (moveResizeGeom.top() > desktopArea.bottom() - bottom_marge)
             setUnrestrictedMoveResize(true);
         if (moveResizeGeom.right() < desktopArea.left() + left_marge)
             setUnrestrictedMoveResize(true);
         if (moveResizeGeom.left() > desktopArea.right() - right_marge)
             setUnrestrictedMoveResize(true);
         if (!isUnrestrictedMoveResize() && moveResizeGeom.top() < desktopArea.top())   // titlebar mustn't go out
             setUnrestrictedMoveResize(true);
     }
     if (isMove()) {
         if (moveResizeGeom.bottom() < desktopArea.top() + titlebar_marge - 1)
             setUnrestrictedMoveResize(true);
         // no need to check top_marge, titlebar_marge already handles it
         if (moveResizeGeom.top() > desktopArea.bottom() - bottom_marge + 1) // titlebar mustn't go out
             setUnrestrictedMoveResize(true);
         if (moveResizeGeom.right() < desktopArea.left() + left_marge)
             setUnrestrictedMoveResize(true);
         if (moveResizeGeom.left() > desktopArea.right() - right_marge)
             setUnrestrictedMoveResize(true);
     }
 }
 
 // When the user pressed mouse on the titlebar, don't activate move immediatelly,
 // 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 AbstractClient::startDelayedMoveResize()
 {
     Q_ASSERT(!m_moveResize.delayedTimer);
     m_moveResize.delayedTimer = new QTimer(this);
     m_moveResize.delayedTimer->setSingleShot(true);
     connect(m_moveResize.delayedTimer, &QTimer::timeout, this,
         [this]() {
             Q_ASSERT(isMoveResizePointerButtonDown());
             if (!startMoveResize()) {
                 setMoveResizePointerButtonDown(false);
             }
             updateCursor();
             stopDelayedMoveResize();
         }
     );
     m_moveResize.delayedTimer->start(QApplication::startDragTime());
 }
 
 void AbstractClient::stopDelayedMoveResize()
 {
     delete m_moveResize.delayedTimer;
     m_moveResize.delayedTimer = nullptr;
 }
 
 void AbstractClient::updateMoveResize(const QPointF &currentGlobalCursor)
 {
     handleMoveResize(pos(), currentGlobalCursor.toPoint());
 }
 
 void AbstractClient::handleMoveResize(const QPoint &local, const QPoint &global)
 {
     const QRect oldGeo = frameGeometry();
     handleMoveResize(local.x(), local.y(), global.x(), global.y());
     if (!isFullScreen() && isMove()) {
         if (quickTileMode() != QuickTileMode(QuickTileFlag::None) && oldGeo != frameGeometry()) {
             GeometryUpdatesBlocker blocker(this);
             setQuickTileMode(QuickTileFlag::None);
             const QRect &geom_restore = geometryRestore();
             setMoveOffset(QPoint(double(moveOffset().x()) / double(oldGeo.width()) * double(geom_restore.width()),
                                  double(moveOffset().y()) / double(oldGeo.height()) * double(geom_restore.height())));
             if (rules()->checkMaximize(MaximizeRestore) == MaximizeRestore)
                 setMoveResizeGeometry(geom_restore);
             handleMoveResize(local.x(), local.y(), global.x(), global.y()); // fix position
         } else if (quickTileMode() == QuickTileMode(QuickTileFlag::None) && isResizable()) {
             checkQuickTilingMaximizationZones(global.x(), global.y());
         }
     }
 }
 
 void AbstractClient::handleMoveResize(int x, int y, int x_root, int y_root)
 {
     if (isWaitingForMoveResizeSync())
         return; // we're still waiting for the client or the timeout
 
     const Position mode = moveResizePointerMode();
     if ((mode == PositionCenter && !isMovableAcrossScreens())
             || (mode != PositionCenter && (isShade() || !isResizable())))
         return;
 
     if (!isMoveResize()) {
         QPoint p(QPoint(x/* - padding_left*/, y/* - padding_top*/) - moveOffset());
         if (p.manhattanLength() >= QApplication::startDragDistance()) {
             if (!startMoveResize()) {
                 setMoveResizePointerButtonDown(false);
                 updateCursor();
                 return;
             }
             updateCursor();
         } else
             return;
     }
 
     // ShadeHover or ShadeActive, ShadeNormal was already avoided above
     if (mode != PositionCenter && shadeMode() != ShadeNone)
         setShade(ShadeNone);
 
     QPoint 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())
     QPoint topleft = globalPos - moveOffset();
     QPoint bottomright = globalPos + invertedMoveOffset();
     QRect previousMoveResizeGeom = moveResizeGeometry();
 
     // TODO move whole group when moving its leader or when the leader is not mapped?
 
     auto titleBarRect = [this](bool &transposed, int &requiredPixels) -> QRect {
         const QRect &moveResizeGeom = moveResizeGeometry();
         QRect r(moveResizeGeom);
         r.moveTopLeft(QPoint(0,0));
         switch (titlebarPosition()) {
         default:
         case PositionTop:
             r.setHeight(borderTop());
             break;
         case PositionLeft:
             r.setWidth(borderLeft());
             transposed = true;
             break;
         case PositionBottom:
             r.setTop(r.bottom() - borderBottom());
             break;
         case PositionRight:
             r.setLeft(r.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 = qMin(100 * (transposed ? r.width() : r.height()),
                               moveResizeGeom.width() * moveResizeGeom.height());
         return r;
     };
 
     bool update = false;
     if (isResize()) {
         QRect orig = initialMoveResizeGeometry();
         SizeMode sizeMode = SizeModeAny;
         auto calculateMoveResizeGeom = [this, &topleft, &bottomright, &orig, &sizeMode, &mode]() {
             switch(mode) {
             case PositionTopLeft:
                 setMoveResizeGeometry(QRect(topleft, orig.bottomRight()));
                 break;
             case PositionBottomRight:
                 setMoveResizeGeometry(QRect(orig.topLeft(), bottomright));
                 break;
             case PositionBottomLeft:
                 setMoveResizeGeometry(QRect(QPoint(topleft.x(), orig.y()), QPoint(orig.right(), bottomright.y())));
                 break;
             case PositionTopRight:
                 setMoveResizeGeometry(QRect(QPoint(orig.x(), topleft.y()), QPoint(bottomright.x(), orig.bottom())));
                 break;
             case PositionTop:
                 setMoveResizeGeometry(QRect(QPoint(orig.left(), topleft.y()), orig.bottomRight()));
                 sizeMode = SizeModeFixedH; // try not to affect height
                 break;
             case PositionBottom:
                 setMoveResizeGeometry(QRect(orig.topLeft(), QPoint(orig.right(), bottomright.y())));
                 sizeMode = SizeModeFixedH;
                 break;
             case PositionLeft:
                 setMoveResizeGeometry(QRect(QPoint(topleft.x(), orig.top()), orig.bottomRight()));
                 sizeMode = SizeModeFixedW;
                 break;
             case PositionRight:
                 setMoveResizeGeometry(QRect(orig.topLeft(), QPoint(bottomright.x(), orig.bottom())));
                 sizeMode = SizeModeFixedW;
                 break;
             case PositionCenter:
             default:
                 abort();
                 break;
             }
         };
 
         // first resize (without checking constrains), then snap, then check bounds, then check constrains
         calculateMoveResizeGeom();
         // adjust new size to snap to other windows/borders
         setMoveResizeGeometry(workspace()->adjustClientSize(this, moveResizeGeometry(), mode));
 
         if (!isUnrestrictedMoveResize()) {
             // 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
             QRegion availableArea(workspace()->clientArea(FullArea, -1, 0));   // On the screen
             availableArea -= workspace()->restrictedMoveArea(desktop());   // Strut areas
             bool transposed = false;
             int requiredPixels;
             QRect bTitleRect = titleBarRect(transposed, requiredPixels);
             int lastVisiblePixels = -1;
             QRect lastTry = moveResizeGeometry();
             bool titleFailed = false;
             for (;;) {
                 const QRect titleRect(bTitleRect.translated(moveResizeGeometry().topLeft()));
                 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)
                             setMoveResizeGeometry(lastTry);
                         titleFailed = true;
                     }
                 }
                 lastVisiblePixels = realVisiblePixels;
                 QRect moveResizeGeom = moveResizeGeometry();
                 lastTry = moveResizeGeom;
 
                 // 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  = previousMoveResizeGeom.left()   != moveResizeGeom.left();
                 bool rightChanged = previousMoveResizeGeom.right()  != moveResizeGeom.right();
                 bool topChanged   = previousMoveResizeGeom.top()    != moveResizeGeom.top();
                 bool btmChanged   = previousMoveResizeGeom.bottom() != moveResizeGeom.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 PositionTop:
                     fixChangedState(topChanged, btmChanged, leftChanged, rightChanged);
                     break;
                 case PositionLeft:
                     fixChangedState(leftChanged, rightChanged, topChanged, btmChanged);
                     break;
                 case PositionBottom:
                     fixChangedState(btmChanged, topChanged, leftChanged, rightChanged);
                     break;
                 case PositionRight:
                     fixChangedState(rightChanged, leftChanged, topChanged, btmChanged);
                     break;
                 }
                 if (topChanged)
                     moveResizeGeom.setTop(moveResizeGeom.y() + sign(previousMoveResizeGeom.y() - moveResizeGeom.y()));
                 else if (leftChanged)
                     moveResizeGeom.setLeft(moveResizeGeom.x() + sign(previousMoveResizeGeom.x() - moveResizeGeom.x()));
                 else if (btmChanged)
                     moveResizeGeom.setBottom(moveResizeGeom.bottom() + sign(previousMoveResizeGeom.bottom() - moveResizeGeom.bottom()));
                 else if (rightChanged)
                     moveResizeGeom.setRight(moveResizeGeom.right() + sign(previousMoveResizeGeom.right() - moveResizeGeom.right()));
                 else
                     break; // no position changed - that's certainly not good
                 setMoveResizeGeometry(moveResizeGeom);
             }
         }
 
         // Always obey size hints, even when in "unrestricted" mode
         QSize size = constrainFrameSize(moveResizeGeometry().size(), sizeMode);
         // the new topleft and bottomright corners (after checking size constrains), if they'll be needed
         topleft = QPoint(moveResizeGeometry().right() - size.width() + 1, moveResizeGeometry().bottom() - size.height() + 1);
         bottomright = QPoint(moveResizeGeometry().left() + size.width() - 1, moveResizeGeometry().top() + size.height() - 1);
         orig = moveResizeGeometry();
 
         // 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();
 
         if (moveResizeGeometry().size() != previousMoveResizeGeom.size())
             update = true;
     } else if (isMove()) {
         Q_ASSERT(mode == PositionCenter);
         if (!isMovable()) { // isMovableAcrossScreens() must have been true to get here
             // Special moving of maximized windows on Xinerama screens
             int screen = screens()->number(globalPos);
             if (isFullScreen())
                 setMoveResizeGeometry(workspace()->clientArea(FullScreenArea, screen, 0));
             else {
                 QRect moveResizeGeom = workspace()->clientArea(MaximizeArea, screen, 0);
                 QSize adjSize = constrainFrameSize(moveResizeGeom.size(), SizeModeMax);
                 if (adjSize != moveResizeGeom.size()) {
                     QRect r(moveResizeGeom);
                     moveResizeGeom.setSize(adjSize);
                     moveResizeGeom.moveCenter(r.center());
                 }
                 setMoveResizeGeometry(moveResizeGeom);
             }
         } else {
             // first move, then snap, then check bounds
             QRect moveResizeGeom = moveResizeGeometry();
             moveResizeGeom.moveTopLeft(topleft);
             moveResizeGeom.moveTopLeft(workspace()->adjustClientPosition(this, moveResizeGeom.topLeft(),
                                        isUnrestrictedMoveResize()));
             setMoveResizeGeometry(moveResizeGeom);
 
             if (!isUnrestrictedMoveResize()) {
                 const QRegion strut = workspace()->restrictedMoveArea(desktop());   // Strut areas
                 QRegion availableArea(workspace()->clientArea(FullArea, -1, 0));   // On the screen
                 availableArea -= strut;   // Strut areas
                 bool transposed = false;
                 int requiredPixels;
                 QRect bTitleRect = titleBarRect(transposed, requiredPixels);
                 for (;;) {
                     QRect moveResizeGeom = moveResizeGeometry();
                     const QRect titleRect(bTitleRect.translated(moveResizeGeom.topLeft()));
                     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 (screens()->count() > 1) { // optimization
                         // TODO: could be useful on partial screen struts (half-width panels etc.)
                         int newTitleTop = -1;
                         for (const QRect &r : strut) {
                             if (r.top() == 0 && r.width() > r.height() && // "top panel"
                                 r.intersects(moveResizeGeom) && moveResizeGeom.top() < r.bottom()) {
                                 newTitleTop = r.bottom() + 1;
                                 break;
                             }
                         }
                         if (newTitleTop > -1) {
                             moveResizeGeom.moveTop(newTitleTop); // invalid position, possibly on screen change
                             setMoveResizeGeometry(moveResizeGeom);
                             break;
                         }
                     }
 
                     int dx = sign(previousMoveResizeGeom.x() - moveResizeGeom.x()),
                         dy = sign(previousMoveResizeGeom.y() - moveResizeGeom.y());
                     if (visiblePixels && dx) // means there's no full width cap -> favor horizontally
                         dy = 0;
                     else if (dy)
                         dx = 0;
 
                     // Move it back
                     moveResizeGeom.translate(dx, dy);
                     setMoveResizeGeometry(moveResizeGeom);
 
                     if (moveResizeGeom == previousMoveResizeGeom) {
                         break; // Prevent lockup
                     }
                 }
             }
         }
         if (moveResizeGeometry().topLeft() != previousMoveResizeGeom.topLeft())
             update = true;
     } else
         abort();
 
     if (!update)
         return;
 
     if (isResize() && !haveResizeEffect()) {
         doResizeSync();
     } else
         performMoveResize();
 
     if (isMove()) {
         ScreenEdges::self()->check(globalPos, QDateTime::fromMSecsSinceEpoch(xTime(), Qt::UTC));
     }
 }
 
 void AbstractClient::performMoveResize()
 {
     const QRect &moveResizeGeom = moveResizeGeometry();
     if (isMove() || (isResize() && !haveResizeEffect())) {
         setFrameGeometry(moveResizeGeom);
     }
     doPerformMoveResize();
     positionGeometryTip();
     emit clientStepUserMovedResized(this, moveResizeGeom);
 }
 
 bool AbstractClient::hasStrut() const
 {
     return false;
 }
 
 void AbstractClient::setupWindowManagementInterface()
 {
     if (m_windowManagementInterface) {
         // already setup
         return;
     }
     if (!waylandServer() || !surface()) {
         return;
     }
     if (!waylandServer()->windowManagement()) {
         return;
     }
     using namespace KWaylandServer;
     auto w = waylandServer()->windowManagement()->createWindow(waylandServer()->windowManagement());
     w->setTitle(caption());
     w->setVirtualDesktop(isOnAllDesktops() ? 0 : desktop() - 1);
     w->setActive(isActive());
     w->setFullscreen(isFullScreen());
     w->setKeepAbove(keepAbove());
     w->setKeepBelow(keepBelow());
     w->setMaximized(maximizeMode() == KWin::MaximizeFull);
     w->setMinimized(isMinimized());
     w->setOnAllDesktops(isOnAllDesktops());
     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->setAppId(QString::fromUtf8(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 X11Client::actionSupported(), but both should be implemented.
     w->setParentWindow(transientFor() ? transientFor()->windowManagementInterface() : nullptr);
     w->setGeometry(frameGeometry());
     connect(this, &AbstractClient::skipTaskbarChanged, w,
         [w, this] {
             w->setSkipTaskbar(skipTaskbar());
         }
     );
     connect(this, &AbstractClient::skipSwitcherChanged, w,
          [w, this] {
             w->setSkipSwitcher(skipSwitcher());
         }
     );
     connect(this, &AbstractClient::captionChanged, w, [w, this] { w->setTitle(caption()); });
 
     connect(this, &AbstractClient::activeChanged, w, [w, this] { w->setActive(isActive()); });
     connect(this, &AbstractClient::fullScreenChanged, w, [w, this] { w->setFullscreen(isFullScreen()); });
     connect(this, &AbstractClient::keepAboveChanged, w, &PlasmaWindowInterface::setKeepAbove);
     connect(this, &AbstractClient::keepBelowChanged, w, &PlasmaWindowInterface::setKeepBelow);
     connect(this, &AbstractClient::minimizedChanged, w, [w, this] { w->setMinimized(isMinimized()); });
     connect(this, static_cast<void (AbstractClient::*)(AbstractClient*,MaximizeMode)>(&AbstractClient::clientMaximizedStateChanged), w,
         [w] (KWin::AbstractClient *c, MaximizeMode mode) {
             Q_UNUSED(c);
             w->setMaximized(mode == KWin::MaximizeFull);
         }
     );
     connect(this, &AbstractClient::demandsAttentionChanged, w, [w, this] { w->setDemandsAttention(isDemandingAttention()); });
     connect(this, &AbstractClient::iconChanged, w,
         [w, this] {
             w->setIcon(icon());
         }
     );
     connect(this, &AbstractClient::windowClassChanged, w, updateAppId);
     connect(this, &AbstractClient::desktopFileNameChanged, w, updateAppId);
     connect(this, &AbstractClient::shadeChanged, w, [w, this] { w->setShaded(isShade()); });
     connect(this, &AbstractClient::transientChanged, w,
         [w, this] {
             w->setParentWindow(transientFor() ? transientFor()->windowManagementInterface() : nullptr);
         }
     );
     connect(this, &AbstractClient::frameGeometryChanged, w,
         [w, this] {
             w->setGeometry(frameGeometry());
         }
     );
     connect(this, &AbstractClient::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::virtualDesktopRequested, this,
         [this] (quint32 desktop) {
             workspace()->sendClientToDesktop(this, desktop + 1, true);
         }
     );
     connect(w, &PlasmaWindowInterface::fullscreenRequested, this,
         [this] (bool set) {
             setFullScreen(set, false);
         }
     );
     connect(w, &PlasmaWindowInterface::minimizedRequested, this,
         [this] (bool set) {
             if (set) {
                 minimize();
             } else {
                 unminimize();
             }
         }
     );
     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()->activateClient(this, true);
             }
         }
     );
     connect(w, &PlasmaWindowInterface::shadedRequested, this,
         [this] (bool set) {
             setShade(set);
         }
     );
 
     for (const auto vd : m_desktops) {
         w->addPlasmaVirtualDesktop(vd->id());
     }
 
     //this is only for the legacy
     connect(this, &AbstractClient::desktopChanged, w,
         [w, this] {
             if (isOnAllDesktops()) {
                 w->setOnAllDesktops(true);
                 return;
             }
             w->setVirtualDesktop(desktop() - 1);
             w->setOnAllDesktops(false);
         }
     );
 
     //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.toUtf8());
             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.toUtf8());
             if (vd) {
                 leaveDesktop(vd);
             }
         }
     );
 
     m_windowManagementInterface = w;
 }
 
 void AbstractClient::destroyWindowManagementInterface()
 {
     if (m_windowManagementInterface) {
         m_windowManagementInterface->unmap();
         m_windowManagementInterface = nullptr;
     }
 }
 
 Options::MouseCommand AbstractClient::getMouseCommand(Qt::MouseButton button, bool *handled) const
 {
     *handled = false;
     if (button == Qt::NoButton) {
         return Options::MouseNothing;
     }
     if (isActive()) {
         if (options->isClickRaise()) {
             *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 AbstractClient::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 AbstractClient::performMouseCommand(Options::MouseCommand cmd, const QPoint &globalPos)
 {
     bool replay = false;
     switch(cmd) {
     case Options::MouseRaise:
         workspace()->raiseClient(this);
         break;
     case Options::MouseLower: {
         workspace()->lowerClient(this);
         // used to be activateNextClient(this), then topClientOnDesktop
         // since this is a mouseOp it's however safe to use the client under the mouse instead
         if (isActive() && options->focusPolicyIsReasonable()) {
             AbstractClient *next = workspace()->clientUnderMouse(screen());
             if (next && next != this)
                 workspace()->requestFocus(next, false);
         }
         break;
     }
     case Options::MouseOperationsMenu:
         if (isActive() && options->isClickRaise())
             autoRaise();
         workspace()->showWindowMenu(QRect(globalPos, globalPos), this);
         break;
     case Options::MouseToggleRaiseAndLower:
         workspace()->raiseOrLowerClient(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) {
                 AbstractClient *c = qobject_cast<AbstractClient*>(*it);
                 if (!c || (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);
         screens()->setCurrent(globalPos);
         replay = replay || mustReplay;
         break;
     }
     case Options::MouseActivateAndLower:
         workspace()->requestFocus(this);
         workspace()->lowerClient(this);
         screens()->setCurrent(globalPos);
         replay = replay || !rules()->checkAcceptFocus(acceptsFocus());
         break;
     case Options::MouseActivate:
         replay = isActive(); // for clickraise mode
         workspace()->takeActivity(this, Workspace::ActivityFocus);
         screens()->setCurrent(globalPos);
         replay = replay || !rules()->checkAcceptFocus(acceptsFocus());
         break;
     case Options::MouseActivateRaiseAndPassClick:
         workspace()->takeActivity(this, Workspace::ActivityFocus | Workspace::ActivityRaise);
         screens()->setCurrent(globalPos);
         replay = true;
         break;
     case Options::MouseActivateAndPassClick:
         workspace()->takeActivity(this, Workspace::ActivityFocus);
         screens()->setCurrent(globalPos);
         replay = true;
         break;
     case Options::MouseMaximize:
         maximize(MaximizeFull);
         break;
     case Options::MouseRestore:
         maximize(MaximizeRestore);
         break;
     case Options::MouseMinimize:
         minimize();
         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(qMin(opacity() + 0.1, 1.0));
         break;
     case Options::MouseOpacityLess:
         if (!isDesktop())   // No point in changing the opacity of the desktop
             setOpacity(qMax(opacity() - 0.1, 0.1));
         break;
     case Options::MouseClose:
         closeWindow();
         break;
     case Options::MouseActivateRaiseAndMove:
     case Options::MouseActivateRaiseAndUnrestrictedMove:
         workspace()->raiseClient(this);
         workspace()->requestFocus(this);
         screens()->setCurrent(globalPos);
         // fallthrough
     case Options::MouseMove:
     case Options::MouseUnrestrictedMove: {
         if (!isMovableAcrossScreens())
             break;
         if (isMoveResize())
             finishMoveResize(false);
         setMoveResizePointerMode(PositionCenter);
         setMoveResizePointerButtonDown(true);
         setMoveOffset(QPoint(globalPos.x() - x(), globalPos.y() - y()));  // map from global
         setInvertedMoveOffset(rect().bottomRight() - moveOffset());
         setUnrestrictedMoveResize((cmd == Options::MouseActivateRaiseAndUnrestrictedMove
                                   || cmd == Options::MouseUnrestrictedMove));
         if (!startMoveResize())
             setMoveResizePointerButtonDown(false);
         updateCursor();
         break;
     }
     case Options::MouseResize:
     case Options::MouseUnrestrictedResize: {
         if (!isResizable() || isShade())
             break;
         if (isMoveResize())
             finishMoveResize(false);
         setMoveResizePointerButtonDown(true);
         const QPoint moveOffset = QPoint(globalPos.x() - x(), globalPos.y() - y());  // map from global
         setMoveOffset(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;
         Position mode;
         if (top)
             mode = left ? PositionTopLeft : (right ? PositionTopRight : PositionTop);
         else if (bot)
             mode = left ? PositionBottomLeft : (right ? PositionBottomRight : PositionBottom);
         else
             mode = (x < width() / 2) ? PositionLeft : PositionRight;
         setMoveResizePointerMode(mode);
         setInvertedMoveOffset(rect().bottomRight() - moveOffset);
         setUnrestrictedMoveResize((cmd == Options::MouseUnrestrictedResize));
         if (!startMoveResize())
             setMoveResizePointerButtonDown(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 AbstractClient::setTransientFor(AbstractClient *transientFor)
 {
     if (transientFor == this) {
         // cannot be transient for one self
         return;
     }
     if (m_transientFor == transientFor) {
         return;
     }
     m_transientFor = transientFor;
     emit transientChanged();
 }
 
 const AbstractClient *AbstractClient::transientFor() const
 {
     return m_transientFor;
 }
 
 AbstractClient *AbstractClient::transientFor()
 {
     return m_transientFor;
 }
 
 bool AbstractClient::hasTransientPlacementHint() const
 {
     return false;
 }
 
 QRect AbstractClient::transientPlacement(const QRect &bounds) const
 {
     Q_UNUSED(bounds);
     Q_UNREACHABLE();
     return QRect();
 }
 
 bool AbstractClient::hasTransient(const AbstractClient *c, bool indirect) const
 {
     Q_UNUSED(indirect);
     return c->transientFor() == this;
 }
 
 QList< AbstractClient* > AbstractClient::mainClients() const
 {
     if (const AbstractClient *t = transientFor()) {
         return QList<AbstractClient*>{const_cast< AbstractClient* >(t)};
     }
     return QList<AbstractClient*>();
 }
 
 QList<AbstractClient*> AbstractClient::allMainClients() const
 {
     auto result = mainClients();
     foreach (const auto *cl, result) {
         result += cl->allMainClients();
     }
     return result;
 }
 
 void AbstractClient::setModal(bool m)
 {
     // Qt-3.2 can have even modal normal windows :(
     if (m_modal == m)
         return;
     m_modal = m;
     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 AbstractClient::isModal() const
 {
     return m_modal;
 }
 
 void AbstractClient::addTransient(AbstractClient *cl)
 {
     Q_ASSERT(!m_transients.contains(cl));
     Q_ASSERT(cl != this);
     m_transients.append(cl);
 }
 
 void AbstractClient::removeTransient(AbstractClient *cl)
 {
     m_transients.removeAll(cl);
     if (cl->transientFor() == this) {
         cl->setTransientFor(nullptr);
     }
 }
 
 void AbstractClient::removeTransientFromList(AbstractClient *cl)
 {
     m_transients.removeAll(cl);
 }
 
 bool AbstractClient::isActiveFullScreen() const
 {
     if (!isFullScreen())
         return false;
 
     const auto ac = workspace()->mostRecentlyActivatedClient(); // instead of activeClient() - 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->screen() != screen()|| ac->allMainClients().contains(const_cast<AbstractClient*>(this)));
 }
 
 #define BORDER(which) \
     int AbstractClient::border##which() const \
     { \
         return isDecorated() ? decoration()->border##which() : 0; \
     }
 
 BORDER(Bottom)
 BORDER(Left)
 BORDER(Right)
 BORDER(Top)
 #undef BORDER
 
 void AbstractClient::addRepaintDuringGeometryUpdates()
 {
     const QRect deco_rect = visibleRect();
     addLayerRepaint(m_visibleRectBeforeGeometryUpdate);
     addLayerRepaint(deco_rect);   // trigger repaint of window's new location
     m_visibleRectBeforeGeometryUpdate = deco_rect;
 }
 
 QRect AbstractClient::bufferGeometryBeforeUpdateBlocking() const
 {
     return m_bufferGeometryBeforeUpdateBlocking;
 }
 
 QRect AbstractClient::frameGeometryBeforeUpdateBlocking() const
 {
     return m_frameGeometryBeforeUpdateBlocking;
 }
 
 void AbstractClient::updateGeometryBeforeUpdateBlocking()
 {
     m_bufferGeometryBeforeUpdateBlocking = bufferGeometry();
     m_frameGeometryBeforeUpdateBlocking = frameGeometry();
 }
 
 void AbstractClient::doMove(int, int)
 {
 }
 
 void AbstractClient::updateInitialMoveResizeGeometry()
 {
     m_moveResize.initialGeometry = frameGeometry();
     m_moveResize.geometry = m_moveResize.initialGeometry;
     m_moveResize.startScreen = screen();
 }
 
 void AbstractClient::updateCursor()
 {
     Position m = moveResizePointerMode();
     if (!isResizable() || isShade())
         m = PositionCenter;
     CursorShape c = Qt::ArrowCursor;
     switch(m) {
     case PositionTopLeft:
         c = KWin::ExtendedCursor::SizeNorthWest;
         break;
     case PositionBottomRight:
         c = KWin::ExtendedCursor::SizeSouthEast;
         break;
     case PositionBottomLeft:
         c = KWin::ExtendedCursor::SizeSouthWest;
         break;
     case PositionTopRight:
         c = KWin::ExtendedCursor::SizeNorthEast;
         break;
     case PositionTop:
         c = KWin::ExtendedCursor::SizeNorth;
         break;
     case PositionBottom:
         c = KWin::ExtendedCursor::SizeSouth;
         break;
     case PositionLeft:
         c = KWin::ExtendedCursor::SizeWest;
         break;
     case PositionRight:
         c = KWin::ExtendedCursor::SizeEast;
         break;
     default:
         if (isMoveResize())
             c = Qt::SizeAllCursor;
         else
             c = Qt::ArrowCursor;
         break;
     }
     if (c == m_moveResize.cursor)
         return;
     m_moveResize.cursor = c;
     emit moveResizeCursorChanged(c);
 }
 
 void AbstractClient::leaveMoveResize()
 {
     workspace()->setMoveResizeClient(nullptr);
     setMoveResize(false);
     if (ScreenEdges::self()->isDesktopSwitchingMovingClients())
         ScreenEdges::self()->reserveDesktopSwitching(false, Qt::Vertical|Qt::Horizontal);
     if (isElectricBorderMaximizing()) {
         outline()->hide();
         elevate(false);
     }
 }
 
 bool AbstractClient::s_haveResizeEffect = false;
 
 void AbstractClient::updateHaveResizeEffect()
 {
     s_haveResizeEffect = effects && static_cast<EffectsHandlerImpl*>(effects)->provides(Effect::Resize);
 }
 
 bool AbstractClient::doStartMoveResize()
 {
     return true;
 }
 
 void AbstractClient::positionGeometryTip()
 {
 }
 
 void AbstractClient::doPerformMoveResize()
 {
 }
 
 bool AbstractClient::isWaitingForMoveResizeSync() const
 {
     return false;
 }
 
 void AbstractClient::doResizeSync()
 {
 }
 
 void AbstractClient::checkQuickTilingMaximizationZones(int xroot, int yroot)
 {
     QuickTileMode mode = QuickTileFlag::None;
     bool innerBorder = false;
     for (int i=0; i < screens()->count(); ++i) {
 
         if (!screens()->geometry(i).contains(QPoint(xroot, yroot)))
             continue;
 
         auto isInScreen = [i](const QPoint &pt) {
             for (int j = 0; j < screens()->count(); ++j) {
                 if (j == i)
                     continue;
                 if (screens()->geometry(j).contains(pt)) {
                     return true;
                 }
             }
             return false;
         };
 
         QRect area = workspace()->clientArea(MaximizeArea, QPoint(xroot, yroot), desktop());
         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]() {
                     if (isMove())
                         setElectricBorderMaximizing(electricBorderMode() != QuickTileMode(QuickTileFlag::None));
                 });
             }
             m_electricMaximizingDelay->start();
         } else {
             setElectricBorderMaximizing(mode != QuickTileMode(QuickTileFlag::None));
         }
     }
 }
 
 void AbstractClient::keyPressEvent(uint key_code)
 {
     if (!isMove() && !isResize())
         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;
     QPoint 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:
         setMoveResizePointerButtonDown(false);
         finishMoveResize(false);
         updateCursor();
         break;
     case Qt::Key_Escape:
         setMoveResizePointerButtonDown(false);
         finishMoveResize(true);
         updateCursor();
         break;
     default:
         return;
     }
     Cursors::self()->mouse()->setPos(pos);
 }
 
 QSize AbstractClient::resizeIncrements() const
 {
     return QSize(1, 1);
 }
 
 void AbstractClient::dontMoveResize()
 {
     setMoveResizePointerButtonDown(false);
     stopDelayedMoveResize();
     if (isMoveResize())
         finishMoveResize(false);
 }
 
 AbstractClient::Position AbstractClient::mousePosition() const
 {
     if (isDecorated()) {
         switch (decoration()->sectionUnderMouse()) {
             case Qt::BottomLeftSection:
                 return PositionBottomLeft;
             case Qt::BottomRightSection:
                 return PositionBottomRight;
             case Qt::BottomSection:
                 return PositionBottom;
             case Qt::LeftSection:
                 return PositionLeft;
             case Qt::RightSection:
                 return PositionRight;
             case Qt::TopSection:
                 return PositionTop;
             case Qt::TopLeftSection:
                 return PositionTopLeft;
             case Qt::TopRightSection:
                 return PositionTopRight;
             default:
                 return PositionCenter;
         }
     }
     return PositionCenter;
 }
 
 void AbstractClient::endMoveResize()
 {
     setMoveResizePointerButtonDown(false);
     stopDelayedMoveResize();
     if (isMoveResize()) {
         finishMoveResize(false);
         setMoveResizePointerMode(mousePosition());
     }
     updateCursor();
 }
 
 void AbstractClient::createDecoration(const QRect &oldGeometry)
 {
     KDecoration2::Decoration *decoration = Decoration::DecorationBridge::self()->createDecoration(this);
     if (decoration) {
         QMetaObject::invokeMethod(decoration, "update", Qt::QueuedConnection);
         connect(decoration, &KDecoration2::Decoration::shadowChanged, this, &Toplevel::updateShadow);
         connect(decoration, &KDecoration2::Decoration::bordersChanged, this, [this]() {
             GeometryUpdatesBlocker blocker(this);
             const QRect oldGeometry = frameGeometry();
             if (!isShade()) {
                 checkWorkspacePosition(oldGeometry);
             }
             emit geometryShapeChanged(this, oldGeometry);
         });
     }
     setDecoration(decoration);
     setFrameGeometry(QRect(oldGeometry.topLeft(), clientSizeToFrameSize(clientSize())));
 
     emit geometryShapeChanged(this, oldGeometry);
 }
 
 void AbstractClient::destroyDecoration()
 {
     delete m_decoration.decoration;
     m_decoration.decoration = nullptr;
 }
 
 bool AbstractClient::decorationHasAlpha() const
 {
     if (!isDecorated() || decoration()->isOpaque()) {
         // either no decoration or decoration has alpha disabled
         return false;
     }
     return true;
 }
 
 void AbstractClient::triggerDecorationRepaint()
 {
     if (isDecorated()) {
         decoration()->update();
     }
 }
 
 void AbstractClient::layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom) const
 {
     if (!isDecorated()) {
         return;
     }
     QRect r = decoration()->rect();
 
     top = QRect(r.x(), r.y(), r.width(), borderTop());
     bottom = QRect(r.x(), r.y() + r.height() - borderBottom(),
                    r.width(), borderBottom());
     left = QRect(r.x(), r.y() + top.height(),
                  borderLeft(), r.height() - top.height() - bottom.height());
     right = QRect(r.x() + r.width() - borderRight(), r.y() + top.height(),
                   borderRight(), r.height() - top.height() - bottom.height());
 }
 
 void AbstractClient::processDecorationMove(const QPoint &localPos, const QPoint &globalPos)
 {
     if (isMoveResizePointerButtonDown()) {
         handleMoveResize(localPos.x(), localPos.y(), globalPos.x(), globalPos.y());
         return;
     }
     // TODO: handle modifiers
     Position newmode = mousePosition();
     if (newmode != moveResizePointerMode()) {
         setMoveResizePointerMode(newmode);
         updateCursor();
     }
 }
 
 bool AbstractClient::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());
                 dontMoveResize();
                 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::MidButton)
         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
     {
         setMoveResizePointerMode(mousePosition());
         setMoveResizePointerButtonDown(true);
         setMoveOffset(event->pos());
         setInvertedMoveOffset(rect().bottomRight() - moveOffset());
         setUnrestrictedMoveResize(false);
         startDelayedMoveResize();
         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 AbstractClient::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) {
         setMoveResizePointerButtonDown(false);
         stopDelayedMoveResize();
         if (isMoveResize()) {
             finishMoveResize(false);
             setMoveResizePointerMode(mousePosition());
         }
         updateCursor();
     }
 }
 
 
 void AbstractClient::startDecorationDoubleClickTimer()
 {
     m_decoration.doubleClickTimer.start();
 }
 
 void AbstractClient::invalidateDecorationDoubleClickTimer()
 {
     m_decoration.doubleClickTimer.invalidate();
 }
 
 bool AbstractClient::providesContextHelp() const
 {
     return false;
 }
 
 void AbstractClient::showContextHelp()
 {
 }
 
 QPointer<Decoration::DecoratedClientImpl> AbstractClient::decoratedClient() const
 {
     return m_decoration.client;
 }
 
 void AbstractClient::setDecoratedClient(QPointer< Decoration::DecoratedClientImpl > client)
 {
     m_decoration.client = client;
 }
 
 void AbstractClient::enterEvent(const QPoint &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()->topClientOnDesktop(VirtualDesktopManager::self()->current(),
                                             options->isSeparateScreenFocus() ? screen() : -1) != 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 AbstractClient::leaveEvent()
 {
     cancelAutoRaise();
     workspace()->cancelDelayFocus();
     cancelShadeHoverTimer();
     startShadeUnhoverTimer();
     // TODO: send hover leave to deco
     // TODO: handle Options::FocusStrictlyUnderMouse
 }
 
 QRect AbstractClient::iconGeometry() const
 {
     if (!windowManagementInterface() || !waylandServer()) {
         // window management interface is only available if the surface is mapped
         return QRect();
     }
 
     int minDistance = INT_MAX;
     AbstractClient *candidatePanel = nullptr;
     QRect candidateGeom;
 
     for (auto i = windowManagementInterface()->minimizedGeometries().constBegin(), end = windowManagementInterface()->minimizedGeometries().constEnd(); i != end; ++i) {
         AbstractClient *client = waylandServer()->findClient(i.key());
         if (!client) {
             continue;
         }
         const int distance = QPoint(client->pos() - pos()).manhattanLength();
         if (distance < minDistance) {
             minDistance = distance;
             candidatePanel = client;
             candidateGeom = i.value();
         }
     }
     if (!candidatePanel) {
         return QRect();
     }
     return candidateGeom.translated(candidatePanel->pos());
 }
 
 QRect AbstractClient::inputGeometry() const
 {
     if (isDecorated()) {
         return Toplevel::inputGeometry() + decoration()->resizeOnlyBorders();
     }
     return Toplevel::inputGeometry();
 }
 
 QRect AbstractClient::virtualKeyboardGeometry() const
 {
     return m_virtualKeyboardGeometry;
 }
 
 void AbstractClient::setVirtualKeyboardGeometry(const QRect &geo)
 {
     // No keyboard anymore
     if (geo.isEmpty() && !m_keyboardGeometryRestore.isEmpty()) {
         setFrameGeometry(m_keyboardGeometryRestore);
         m_keyboardGeometryRestore = QRect();
     } else if (geo.isEmpty()) {
         return;
     // The keyboard has just been opened (rather than resized) save client geometry for a restore
     } else if (m_keyboardGeometryRestore.isEmpty()) {
         m_keyboardGeometryRestore = frameGeometry();
     }
 
     m_virtualKeyboardGeometry = geo;
 
     // Don't resize Desktop and fullscreen windows
     if (isFullScreen() || isDesktop()) {
         return;
     }
 
     if (!geo.intersects(m_keyboardGeometryRestore)) {
         return;
     }
 
     const QRect availableArea = workspace()->clientArea(MaximizeArea, this);
     QRect newWindowGeometry = m_keyboardGeometryRestore;
     newWindowGeometry.moveBottom(geo.top());
     newWindowGeometry.setTop(qMax(newWindowGeometry.top(), availableArea.top()));
 
     setFrameGeometry(newWindowGeometry);
 }
 
 bool AbstractClient::dockWantsInput() const
 {
     return false;
 }
 
 void AbstractClient::setDesktopFileName(QByteArray name)
 {
     name = rules()->checkDesktopFile(name).toUtf8();
     if (name == m_desktopFileName) {
         return;
     }
     m_desktopFileName = name;
     updateWindowRules(Rules::DesktopFile);
     emit desktopFileNameChanged();
 }
 
 QString AbstractClient::iconFromDesktopFile() const
 {
     const QString desktopFileName = QString::fromUtf8(m_desktopFileName);
-    QString desktopFilePath = QStandardPaths::locate(QStandardPaths::ApplicationsLocation,
-                                                     desktopFileName);
+    QString desktopFilePath;
+
+    if (QDir::isAbsolutePath(desktopFileName)) {
+        desktopFilePath = desktopFileName;
+    }
+
+    if (desktopFilePath.isEmpty()) {
+        desktopFilePath = QStandardPaths::locate(QStandardPaths::ApplicationsLocation,
+                                                 desktopFileName);
+    }
     if (desktopFilePath.isEmpty()) {
         desktopFilePath = QStandardPaths::locate(QStandardPaths::ApplicationsLocation,
                                                  desktopFileName + QLatin1String(".desktop"));
     }
 
     KDesktopFile df(desktopFilePath);
     return df.readIcon();
 }
 
 bool AbstractClient::hasApplicationMenu() const
 {
     return ApplicationMenu::self()->applicationMenuEnabled() && !m_applicationMenuServiceName.isEmpty() && !m_applicationMenuObjectPath.isEmpty();
 }
 
 void AbstractClient::updateApplicationMenuServiceName(const QString &serviceName)
 {
     const bool old_hasApplicationMenu = hasApplicationMenu();
 
     m_applicationMenuServiceName = serviceName;
 
     const bool new_hasApplicationMenu = hasApplicationMenu();
 
     emit applicationMenuChanged();
     if (old_hasApplicationMenu != new_hasApplicationMenu) {
         emit hasApplicationMenuChanged(new_hasApplicationMenu);
     }
 }
 
 void AbstractClient::updateApplicationMenuObjectPath(const QString &objectPath)
 {
     const bool old_hasApplicationMenu = hasApplicationMenu();
 
     m_applicationMenuObjectPath = objectPath;
 
     const bool new_hasApplicationMenu = hasApplicationMenu();
 
     emit applicationMenuChanged();
     if (old_hasApplicationMenu != new_hasApplicationMenu) {
         emit hasApplicationMenuChanged(new_hasApplicationMenu);
     }
 }
 
 void AbstractClient::setApplicationMenuActive(bool applicationMenuActive)
 {
     if (m_applicationMenuActive != applicationMenuActive) {
         m_applicationMenuActive = applicationMenuActive;
         emit applicationMenuActiveChanged(applicationMenuActive);
     }
 }
 
 void AbstractClient::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 AbstractClient::unresponsive() const
 {
     return m_unresponsive;
 }
 
 void AbstractClient::setUnresponsive(bool unresponsive)
 {
     if (m_unresponsive != unresponsive) {
         m_unresponsive = unresponsive;
         emit unresponsiveChanged(m_unresponsive);
         emit captionChanged();
     }
 }
 
 QString AbstractClient::shortcutCaptionSuffix() const
 {
     if (shortcut().isEmpty()) {
         return QString();
     }
     return QLatin1String(" {") + shortcut().toString() + QLatin1Char('}');
 }
 
 AbstractClient *AbstractClient::findClientWithSameCaption() const
 {
     auto fetchNameInternalPredicate = [this](const AbstractClient *cl) {
         return (!cl->isSpecialWindow() || cl->isToolbar()) && cl != this && cl->captionNormal() == captionNormal() && cl->captionSuffix() == captionSuffix();
     };
     return workspace()->findAbstractClient(fetchNameInternalPredicate);
 }
 
 QString AbstractClient::caption() const
 {
     QString cap = captionNormal() + captionSuffix();
     if (unresponsive()) {
         cap += QLatin1String(" ");
         cap += i18nc("Application is not responding, appended to window title", "(Not Responding)");
     }
     return cap;
 }
 
 void AbstractClient::removeRule(Rules* rule)
 {
     m_rules.remove(rule);
 }
 
 void AbstractClient::discardTemporaryRules()
 {
     m_rules.discardTemporary();
 }
 
 void AbstractClient::evaluateWindowRules()
 {
     setupWindowRules(true);
     applyWindowRules();
 }
 
 void AbstractClient::setOnActivities(QStringList newActivitiesList)
 {
     Q_UNUSED(newActivitiesList)
 }
 
 void AbstractClient::checkNoBorder()
 {
     setNoBorder(false);
 }
 
 bool AbstractClient::groupTransient() const
 {
     return false;
 }
 
 const Group *AbstractClient::group() const
 {
     return nullptr;
 }
 
 Group *AbstractClient::group()
 {
     return nullptr;
 }
 
 bool AbstractClient::isInternal() const
 {
     return false;
 }
 
 bool AbstractClient::supportsWindowRules() const
 {
     return true;
 }
 
 QMargins AbstractClient::frameMargins() const
 {
     return QMargins(borderLeft(), borderTop(), borderRight(), borderBottom());
 }
 
 QPoint AbstractClient::framePosToClientPos(const QPoint &point) const
 {
     return point + QPoint(borderLeft(), borderTop());
 }
 
 QPoint AbstractClient::clientPosToFramePos(const QPoint &point) const
 {
     return point - QPoint(borderLeft(), borderTop());
 }
 
 QSize AbstractClient::frameSizeToClientSize(const QSize &size) const
 {
     const int width = size.width() - borderLeft() - borderRight();
     const int height = size.height() - borderTop() - borderBottom();
     return QSize(width, height);
 }
 
 QSize AbstractClient::clientSizeToFrameSize(const QSize &size) const
 {
     const int width = size.width() + borderLeft() + borderRight();
     const int height = size.height() + borderTop() + borderBottom();
     return QSize(width, height);
 }
 
 QRect AbstractClient::frameRectToClientRect(const QRect &rect) const
 {
     const QPoint position = framePosToClientPos(rect.topLeft());
     const QSize size = frameSizeToClientSize(rect.size());
     return QRect(position, size);
 }
 
 QRect AbstractClient::clientRectToFrameRect(const QRect &rect) const
 {
     const QPoint position = clientPosToFramePos(rect.topLeft());
     const QSize size = clientSizeToFrameSize(rect.size());
     return QRect(position, size);
 }
 
 void AbstractClient::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 AbstractClient::setElectricBorderMaximizing(bool maximizing)
 {
     m_electricMaximizing = maximizing;
     if (maximizing)
         outline()->show(electricBorderMaximizeGeometry(Cursors::self()->mouse()->pos(), desktop()), moveResizeGeometry());
     else
         outline()->hide();
     elevate(maximizing);
 }
 
 QRect AbstractClient::electricBorderMaximizeGeometry(QPoint pos, int desktop)
 {
     if (electricBorderMode() == QuickTileMode(QuickTileFlag::Maximize)) {
         if (maximizeMode() == MaximizeFull)
             return geometryRestore();
         else
             return workspace()->clientArea(MaximizeArea, pos, desktop);
     }
 
     QRect ret = workspace()->clientArea(MaximizeArea, pos, desktop);
     if (electricBorderMode() & QuickTileFlag::Left)
         ret.setRight(ret.left()+ret.width()/2 - 1);
     else if (electricBorderMode() & QuickTileFlag::Right)
         ret.setLeft(ret.right()-(ret.width()-ret.width()/2) + 1);
     if (electricBorderMode() & QuickTileFlag::Top)
         ret.setBottom(ret.top()+ret.height()/2 - 1);
     else if (electricBorderMode() & QuickTileFlag::Bottom)
         ret.setTop(ret.bottom()-(ret.height()-ret.height()/2) + 1);
 
     return ret;
 }
 
 void AbstractClient::setQuickTileMode(QuickTileMode mode, bool keyboard)
 {
     // Only allow quick tile on a regular window.
     if (!isResizable()) {
         return;
     }
 
     workspace()->updateFocusMousePosition(Cursors::self()->mouse()->pos()); // may cause leave event
 
     GeometryUpdatesBlocker blocker(this);
 
     if (mode == QuickTileMode(QuickTileFlag::Maximize)) {
         m_quickTileMode = int(QuickTileFlag::None);
         if (maximizeMode() == MaximizeFull) {
             setMaximize(false, false);
         } else {
             QRect prev_geom_restore = geometryRestore(); // setMaximize() would set moveResizeGeom as geom_restore
             m_quickTileMode = int(QuickTileFlag::Maximize);
             setMaximize(true, true);
             QRect clientArea = workspace()->clientArea(MaximizeArea, this);
             if (frameGeometry().top() != clientArea.top()) {
                 QRect r(frameGeometry());
                 r.moveTop(clientArea.top());
                 setFrameGeometry(r);
             }
             setGeometryRestore(prev_geom_restore);
         }
         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);
 
     setElectricBorderMode(mode); // used by ::electricBorderMaximizeGeometry(.)
 
     // restore from maximized so that it is possible to tile maximized windows with one hit or by dragging
     if (maximizeMode() != MaximizeRestore) {
 
         if (mode != QuickTileMode(QuickTileFlag::None)) {
             // decorations may turn off some borders when tiled
             const ForceGeometry_t geom_mode = isDecorated() ? ForceGeometrySet : NormalGeometrySet;
             m_quickTileMode = int(QuickTileFlag::None); // Temporary, so the maximize code doesn't get all confused
 
             setMaximize(false, false);
 
             setFrameGeometry(electricBorderMaximizeGeometry(keyboard ? frameGeometry().center() : Cursors::self()->mouse()->pos(), desktop()), geom_mode);
             // Store the mode change
             m_quickTileMode = mode;
         } else {
             m_quickTileMode = mode;
             setMaximize(false, false);
         }
 
         emit quickTileModeChanged();
 
         return;
     }
 
     if (mode != QuickTileMode(QuickTileFlag::None)) {
         QPoint whichScreen = keyboard ? frameGeometry().center() : Cursors::self()->mouse()->pos();
 
         // If trying to tile to the side that the window is already tiled to move the window to the next
         // screen if it exists, otherwise toggle the mode (set QuickTileFlag::None)
         if (quickTileMode() == mode) {
             const int numScreens = screens()->count();
             const int curScreen = screen();
             int nextScreen = curScreen;
             QVarLengthArray<QRect> screens(numScreens);
             for (int i = 0; i < numScreens; ++i)   // Cache
                 screens[i] = Screens::self()->geometry(i);
             for (int i = 0; i < numScreens; ++i) {
 
                 if (i == curScreen)
                     continue;
 
                 if (screens[i].bottom() <= screens[curScreen].top() || screens[i].top() >= screens[curScreen].bottom())
                     continue; // not in horizontal line
 
                 const int x = screens[i].center().x();
                 if ((mode & QuickTileFlag::Horizontal) == QuickTileMode(QuickTileFlag::Left)) {
                     if (x >= screens[curScreen].center().x() || (curScreen != nextScreen && x <= screens[nextScreen].center().x()))
                         continue; // not left of current or more left then found next
                 } else if ((mode & QuickTileFlag::Horizontal) == QuickTileMode(QuickTileFlag::Right)) {
                     if (x <= screens[curScreen].center().x() || (curScreen != nextScreen && x >= screens[nextScreen].center().x()))
                         continue; // not right of current or more right then found next
                 }
 
                 nextScreen = i;
             }
 
             if (nextScreen == curScreen) {
                 mode = QuickTileFlag::None; // No other screens, toggle tiling
             } else {
                 // Move to other screen
                 setFrameGeometry(geometryRestore().translated(screens[nextScreen].topLeft() - screens[curScreen].topLeft()));
                 whichScreen = screens[nextScreen].center();
 
                 // Swap sides
                 if (mode & QuickTileFlag::Horizontal) {
                     mode = (~mode & QuickTileFlag::Horizontal) | (mode & QuickTileFlag::Vertical);
                 }
             }
             setElectricBorderMode(mode); // used by ::electricBorderMaximizeGeometry(.)
         } 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(frameGeometry());
         }
 
         if (mode != QuickTileMode(QuickTileFlag::None)) {
             m_quickTileMode = mode;
             // decorations may turn off some borders when tiled
             const ForceGeometry_t geom_mode = isDecorated() ? ForceGeometrySet : NormalGeometrySet;
             // Temporary, so the maximize code doesn't get all confused
             m_quickTileMode = int(QuickTileFlag::None);
             setFrameGeometry(electricBorderMaximizeGeometry(whichScreen, desktop()), geom_mode);
         }
 
         // Store the mode change
         m_quickTileMode = mode;
     }
 
     if (mode == QuickTileMode(QuickTileFlag::None)) {
         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
             setGeometryRestore(frameGeometry());
         // decorations may turn off some borders when tiled
         const ForceGeometry_t geom_mode = isDecorated() ? ForceGeometrySet : NormalGeometrySet;
         setFrameGeometry(geometryRestore(), geom_mode);
         checkWorkspacePosition(); // Just in case it's a different screen
     }
     emit quickTileModeChanged();
 }
 
 void AbstractClient::sendToScreen(int newScreen)
 {
     newScreen = rules()->checkScreen(newScreen);
     if (isActive()) {
         screens()->setCurrent(newScreen);
         // might impact the layer of a fullscreen window
         foreach (AbstractClient *cc, workspace()->allClientList()) {
             if (cc->isFullScreen() && cc->screen() == newScreen) {
                 cc->updateLayer();
             }
         }
     }
     if (screen() == newScreen)   // Don't use isOnScreen(), that's true even when only partially
         return;
 
     GeometryUpdatesBlocker blocker(this);
 
     // operating on the maximized / quicktiled window would leave the old geom_restore behind,
     // so we clear the state first
     MaximizeMode maxMode = maximizeMode();
     QuickTileMode qtMode = quickTileMode();
     if (maxMode != MaximizeRestore)
         maximize(MaximizeRestore);
     if (qtMode != QuickTileMode(QuickTileFlag::None))
         setQuickTileMode(QuickTileFlag::None, true);
 
     QRect oldScreenArea = workspace()->clientArea(MaximizeArea, this);
     QRect screenArea = workspace()->clientArea(MaximizeArea, newScreen, desktop());
 
     // the window can have its center so that the position correction moves the new center onto
     // the old screen, what will tile it where it is. Ie. the screen is not changed
     // this happens esp. with electric border quicktiling
     if (qtMode != QuickTileMode(QuickTileFlag::None))
         keepInArea(oldScreenArea);
 
     QRect oldGeom = frameGeometry();
     QRect newGeom = oldGeom;
     // 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)
     QPoint center = newGeom.center() - oldScreenArea.center();
     center.setX(center.x() * screenArea.width() / oldScreenArea.width());
     center.setY(center.y() * screenArea.height() / oldScreenArea.height());
     center += screenArea.center();
     newGeom.moveCenter(center);
     setFrameGeometry(newGeom);
 
     // If the window was inside the old screen area, explicitly make sure its inside also the new screen area.
     // Calling checkWorkspacePosition() should ensure that, but when moving to a small screen the window could
     // be big enough to overlap outside of the new screen area, making struts from other screens come into effect,
     // which could alter the resulting geometry.
     if (oldScreenArea.contains(oldGeom)) {
         keepInArea(screenArea);
     }
 
     // align geom_restore - checkWorkspacePosition operates on it
     setGeometryRestore(frameGeometry());
 
     checkWorkspacePosition(oldGeom);
 
     // re-align geom_restore to constrained geometry
     setGeometryRestore(frameGeometry());
 
     // finally reset special states
     // NOTICE that MaximizeRestore/QuickTileFlag::None checks are required.
     // eg. setting QuickTileFlag::None would break maximization
     if (maxMode != MaximizeRestore)
         maximize(maxMode);
     if (qtMode != QuickTileMode(QuickTileFlag::None) && qtMode != quickTileMode())
         setQuickTileMode(qtMode, true);
 
     auto tso = workspace()->ensureStackingOrder(transients());
     for (auto it = tso.constBegin(), end = tso.constEnd(); it != end; ++it)
         (*it)->sendToScreen(newScreen);
 }
 
 void AbstractClient::checkWorkspacePosition(QRect oldGeometry, int oldDesktop, QRect oldClientGeometry)
 {
     enum { Left = 0, Top, Right, Bottom };
     const int border[4] = { borderLeft(), borderTop(), borderRight(), borderBottom() };
     if( !oldGeometry.isValid())
         oldGeometry = frameGeometry();
     if( oldDesktop == -2 )
         oldDesktop = desktop();
     if (!oldClientGeometry.isValid())
         oldClientGeometry = oldGeometry.adjusted(border[Left], border[Top], -border[Right], -border[Bottom]);
     if (isDesktop())
         return;
     if (isFullScreen()) {
         QRect area = workspace()->clientArea(FullScreenArea, this);
         if (frameGeometry() != area)
             setFrameGeometry(area);
         return;
     }
     if (isDock())
         return;
 
     if (maximizeMode() != MaximizeRestore) {
         // TODO update geom_restore?
         changeMaximize(false, false, true);   // adjust size
         const QRect screenArea = workspace()->clientArea(ScreenArea, this);
         QRect geom = frameGeometry();
         checkOffscreenPosition(&geom, screenArea);
         setFrameGeometry(geom);
         return;
     }
 
     if (quickTileMode() != QuickTileMode(QuickTileFlag::None)) {
         setFrameGeometry(electricBorderMaximizeGeometry(frameGeometry().center(), desktop()));
         return;
     }
 
     // this can be true only if this window was mapped before KWin
     // was started - in such case, don't adjust position to workarea,
     // because the window already had its position, and if a window
     // with a strut altering the workarea would be managed in initialization
     // after this one, this window would be moved
     if (!workspace() || workspace()->initializing())
         return;
 
     // 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;
     if( workspace()->inUpdateClientArea()) {
         // we need to find the screen area as it was before the change
         oldScreenArea = QRect( 0, 0, workspace()->oldDisplayWidth(), workspace()->oldDisplayHeight());
         int distance = INT_MAX;
         foreach(const QRect &r, workspace()->previousScreenSizes()) {
             int d = r.contains( oldGeometry.center()) ? 0 : ( r.center() - oldGeometry.center()).manhattanLength();
             if( d < distance ) {
                 distance = d;
                 oldScreenArea = r;
             }
         }
     } else {
         oldScreenArea = workspace()->clientArea(ScreenArea, oldGeometry.center(), oldDesktop);
     }
     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();
     const QRect screenArea = workspace()->clientArea(ScreenArea, geometryRestore().center(), desktop());
     int topMax = screenArea.y();
     int rightMax = screenArea.x() + screenArea.width();
     int bottomMax = screenArea.y() + screenArea.height();
     int leftMax = screenArea.x();
     QRect newGeom = geometryRestore(); // geometry();
     QRect newClientGeom = newGeom.adjusted(border[Left], border[Top], -border[Right], -border[Bottom]);
     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 = qMax(oldTopMax, rect.y() + rect.height());
     }
     for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaRight)) {
         QRect rect = r & oldGeomWide;
         if (!rect.isEmpty())
             oldRightMax = qMin(oldRightMax, rect.x());
     }
     for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaBottom)) {
         QRect rect = r & oldGeomTall;
         if (!rect.isEmpty())
             oldBottomMax = qMin(oldBottomMax, rect.y());
     }
     for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaLeft)) {
         QRect rect = r & oldGeomWide;
         if (!rect.isEmpty())
             oldLeftMax = qMax(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 = qMax(topMax, rect.y() + rect.height());
     }
     for (const QRect &r : workspace()->restrictedMoveArea(desktop(), StrutAreaRight)) {
         QRect rect = r & newGeomWide;
         if (!rect.isEmpty())
             rightMax = qMin(rightMax, rect.x());
     }
     for (const QRect &r : workspace()->restrictedMoveArea(desktop(), StrutAreaBottom)) {
         QRect rect = r & newGeomTall;
         if (!rect.isEmpty())
             bottomMax = qMin(bottomMax, rect.y());
     }
     for (const QRect &r : workspace()->restrictedMoveArea(desktop(), StrutAreaLeft)) {
         QRect rect = r & newGeomWide;
         if (!rect.isEmpty())
             leftMax = qMax(leftMax, rect.x() + rect.width());
     }
 
 
     // Check if the sides were inside or touching but are no longer
     bool keep[4] = {false, false, false, false};
     bool save[4] = {false, false, false, false};
     int padding[4] = {0, 0, 0, 0};
     if (oldGeometry.x() >= oldLeftMax)
         save[Left] = newGeom.x() < leftMax;
     if (oldGeometry.x() == oldLeftMax)
         keep[Left] = newGeom.x() != leftMax;
     else if (oldClientGeometry.x() == oldLeftMax && newClientGeom.x() != leftMax) {
         padding[0] = border[Left];
         keep[Left] = true;
     }
     if (oldGeometry.y() >= oldTopMax)
         save[Top] = newGeom.y() < topMax;
     if (oldGeometry.y() == oldTopMax)
         keep[Top] = newGeom.y() != topMax;
     else if (oldClientGeometry.y() == oldTopMax && newClientGeom.y() != topMax) {
         padding[1] = border[Left];
         keep[Top] = true;
     }
     if (oldGeometry.right() <= oldRightMax - 1)
         save[Right] = newGeom.right() > rightMax - 1;
     if (oldGeometry.right() == oldRightMax - 1)
         keep[Right] = newGeom.right() != rightMax - 1;
     else if (oldClientGeometry.right() == oldRightMax - 1 && newClientGeom.right() != rightMax - 1) {
         padding[2] = border[Right];
         keep[Right] = true;
     }
     if (oldGeometry.bottom() <= oldBottomMax - 1)
         save[Bottom] = newGeom.bottom() > bottomMax - 1;
     if (oldGeometry.bottom() == oldBottomMax - 1)
         keep[Bottom] = newGeom.bottom() != bottomMax - 1;
     else if (oldClientGeometry.bottom() == oldBottomMax - 1 && newClientGeom.bottom() != bottomMax - 1) {
         padding[3] = border[Bottom];
         keep[Bottom] = true;
     }
 
     // if randomly touches opposing edges, do not favor either
     if (keep[Left] && keep[Right]) {
         keep[Left] = keep[Right] = false;
         padding[0] = padding[2] = 0;
     }
     if (keep[Top] && keep[Bottom]) {
         keep[Top] = keep[Bottom] = false;
         padding[1] = padding[3] = 0;
     }
 
     if (save[Left] || keep[Left])
         newGeom.moveLeft(qMax(leftMax, screenArea.x()) - padding[0]);
     if (padding[0] && screens()->intersecting(newGeom) > 1)
         newGeom.moveLeft(newGeom.left() + padding[0]);
     if (save[Top] || keep[Top])
         newGeom.moveTop(qMax(topMax, screenArea.y()) - padding[1]);
     if (padding[1] && screens()->intersecting(newGeom) > 1)
         newGeom.moveTop(newGeom.top() + padding[1]);
     if (save[Right] || keep[Right])
         newGeom.moveRight(qMin(rightMax - 1, screenArea.right()) + padding[2]);
     if (padding[2] && screens()->intersecting(newGeom) > 1)
         newGeom.moveRight(newGeom.right() - padding[2]);
     if (oldGeometry.x() >= oldLeftMax && newGeom.x() < leftMax)
         newGeom.setLeft(qMax(leftMax, screenArea.x()));
     else if (oldClientGeometry.x() >= oldLeftMax && newGeom.x() + border[Left] < leftMax) {
         newGeom.setLeft(qMax(leftMax, screenArea.x()) - border[Left]);
         if (screens()->intersecting(newGeom) > 1)
             newGeom.setLeft(newGeom.left() + border[Left]);
     }
     if (save[Bottom] || keep[Bottom])
         newGeom.moveBottom(qMin(bottomMax - 1, screenArea.bottom()) + padding[3]);
     if (padding[3] && screens()->intersecting(newGeom) > 1)
         newGeom.moveBottom(newGeom.bottom() - padding[3]);
     if (oldGeometry.y() >= oldTopMax && newGeom.y() < topMax)
         newGeom.setTop(qMax(topMax, screenArea.y()));
     else if (oldClientGeometry.y() >= oldTopMax && newGeom.y() + border[Top] < topMax) {
         newGeom.setTop(qMax(topMax, screenArea.y()) - border[Top]);
         if (screens()->intersecting(newGeom) > 1)
             newGeom.setTop(newGeom.top() + border[Top]);
     }
 
     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()));
 
     if (newGeom != frameGeometry())
         setFrameGeometry(newGeom);
 }
 
 void AbstractClient::checkOffscreenPosition(QRect* geom, const QRect& 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);
     }
 }
 
 /**
  * Returns the appropriate frame size for the current client size.
  *
  * This is equivalent to clientSizeToFrameSize(constrainClientSize(clientSize())).
  */
 QSize AbstractClient::adjustedSize() const
 {
     return clientSizeToFrameSize(constrainClientSize(clientSize()));
 }
 
 /**
  * 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.
  */
 QSize AbstractClient::constrainClientSize(const QSize &size, SizeMode mode) const
 {
     Q_UNUSED(mode)
 
     int width = size.width();
     int 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 QSize minimumSize = minSize();
     const QSize maximumSize = maxSize();
 
     width = qBound(minimumSize.width(), width, maximumSize.width());
     height = qBound(minimumSize.height(), height, maximumSize.height());
 
     return QSize(width, height);
 }
 
 /**
  * Constrains the frame size @p size according to a set of the window's size hints.
  */
 QSize AbstractClient::constrainFrameSize(const QSize &size, SizeMode mode) const
 {
     const QSize unconstrainedClientSize = frameSizeToClientSize(size);
     const QSize constrainedClientSize = constrainClientSize(unconstrainedClientSize, mode);
     return clientSizeToFrameSize(constrainedClientSize);
 }
 
 /**
  * Returns @c true if the AbstractClient can be shown in full screen mode; otherwise @c false.
  *
  * Default implementation returns @c false.
  */
 bool AbstractClient::isFullScreenable() const
 {
     return false;
 }
 
 /**
  * Returns @c true if the AbstractClient is currently being shown in full screen mode; otherwise @c false.
  *
  * A client in full screen mode occupies the entire screen with no window frame around it.
  *
  * Default implementation returns @c false.
  */
 bool AbstractClient::isFullScreen() const
 {
     return false;
 }
 
 /**
  * Returns whether requests initiated by the user to enter or leave full screen mode are honored.
  *
  * Default implementation returns @c false.
  */
 bool AbstractClient::userCanSetFullScreen() const
 {
     return false;
 }
 
 /**
  * Asks the AbstractClient to enter or leave full screen mode.
  *
  * Default implementation does nothing.
  *
  * @param set @c true if the AbstractClient has to be shown in full screen mode, otherwise @c false
  * @param user @c true if the request is initiated by the user, otherwise @c false
  */
 void AbstractClient::setFullScreen(bool set, bool user)
 {
     Q_UNUSED(set)
     Q_UNUSED(user)
 }
 
 /**
  * Returns @c true if the AbstractClient can be minimized; otherwise @c false.
  *
  * Default implementation returns @c false.
  */
 bool AbstractClient::isMinimizable() const
 {
     return false;
 }
 
 /**
  * Returns @c true if the AbstractClient can be maximized; otherwise @c false.
  *
  * Default implementation returns @c false.
  */
 bool AbstractClient::isMaximizable() const
 {
     return false;
 }
 
 /**
  * Returns the currently applied maximize mode.
  *
  * Default implementation returns MaximizeRestore.
  */
 MaximizeMode AbstractClient::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 AbstractClient::requestedMaximizeMode() const
 {
     return maximizeMode();
 }
 
 /**
  * Returns the geometry of the AbstractClient before it was maximized or quick tiled.
  */
 QRect AbstractClient::geometryRestore() const
 {
     return m_maximizeGeometryRestore;
 }
 
 /**
  * Sets the geometry of the AbstractClient before it was maximized or quick tiled to @p rect.
  */
 void AbstractClient::setGeometryRestore(const QRect &rect)
 {
     m_maximizeGeometryRestore = rect;
 }
 
 /**
  * Toggles the maximized state along specified dimensions @p horizontal and @p vertical.
  *
  * If @p adjust is @c true, only frame geometry will be updated to match requestedMaximizeMode().
  *
  * Default implementation does nothing.
  */
 void AbstractClient::changeMaximize(bool horizontal, bool vertical, bool adjust)
 {
     Q_UNUSED(horizontal)
     Q_UNUSED(vertical)
     Q_UNUSED(adjust)
 }
 
 }