File indexing completed on 2024-04-28 05:30:23

 /*
     SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "layershellv1window.h"
 #include "core/output.h"
 #include "layershellv1integration.h"
 #include "screenedge.h"
 #include "wayland/layershell_v1.h"
 #include "wayland/output.h"
 #include "wayland/screenedge_v1.h"
 #include "wayland/surface.h"
 #include "wayland_server.h"
 #include "workspace.h"
 
 namespace KWin
 {
 
 static NET::WindowType scopeToType(const QString &scope)
 {
     static const QHash<QString, NET::WindowType> scopeToType{
         {QStringLiteral("desktop"), NET::Desktop},
         {QStringLiteral("dock"), NET::Dock},
         {QStringLiteral("crititical-notification"), NET::CriticalNotification},
         {QStringLiteral("notification"), NET::Notification},
         {QStringLiteral("tooltip"), NET::Tooltip},
         {QStringLiteral("on-screen-display"), NET::OnScreenDisplay},
         {QStringLiteral("dialog"), NET::Dialog},
         {QStringLiteral("splash"), NET::Splash},
         {QStringLiteral("utility"), NET::Utility},
     };
     return scopeToType.value(scope.toLower(), NET::Normal);
 }
 
 LayerShellV1Window::LayerShellV1Window(LayerSurfaceV1Interface *shellSurface,
                                        Output *output,
                                        LayerShellV1Integration *integration)
     : WaylandWindow(shellSurface->surface())
     , m_desiredOutput(output)
     , m_integration(integration)
     , m_shellSurface(shellSurface)
     , m_windowType(scopeToType(shellSurface->scope()))
 {
     setSkipSwitcher(!isDesktop());
     setSkipPager(true);
     setSkipTaskbar(true);
 
     connect(shellSurface, &LayerSurfaceV1Interface::aboutToBeDestroyed,
             this, &LayerShellV1Window::destroyWindow);
     connect(shellSurface->surface(), &SurfaceInterface::aboutToBeDestroyed,
             this, &LayerShellV1Window::destroyWindow);
 
     connect(output, &Output::geometryChanged,
             this, &LayerShellV1Window::scheduleRearrange);
     connect(output, &Output::enabledChanged,
             this, &LayerShellV1Window::handleOutputEnabledChanged);
 
     connect(shellSurface->surface(), &SurfaceInterface::sizeChanged,
             this, &LayerShellV1Window::handleSizeChanged);
     connect(shellSurface->surface(), &SurfaceInterface::unmapped,
             this, &LayerShellV1Window::handleUnmapped);
     connect(shellSurface->surface(), &SurfaceInterface::committed,
             this, &LayerShellV1Window::handleCommitted);
 
     connect(shellSurface, &LayerSurfaceV1Interface::desiredSizeChanged,
             this, &LayerShellV1Window::scheduleRearrange);
     connect(shellSurface, &LayerSurfaceV1Interface::layerChanged,
             this, &LayerShellV1Window::scheduleRearrange);
     connect(shellSurface, &LayerSurfaceV1Interface::marginsChanged,
             this, &LayerShellV1Window::scheduleRearrange);
     connect(shellSurface, &LayerSurfaceV1Interface::anchorChanged,
             this, &LayerShellV1Window::scheduleRearrange);
     connect(shellSurface, &LayerSurfaceV1Interface::exclusiveZoneChanged,
             this, &LayerShellV1Window::scheduleRearrange);
     connect(shellSurface, &LayerSurfaceV1Interface::acceptsFocusChanged,
             this, &LayerShellV1Window::handleAcceptsFocusChanged);
 }
 
 LayerSurfaceV1Interface *LayerShellV1Window::shellSurface() const
 {
     return m_shellSurface;
 }
 
 Output *LayerShellV1Window::desiredOutput() const
 {
     return m_desiredOutput;
 }
 
 void LayerShellV1Window::scheduleRearrange()
 {
     m_integration->scheduleRearrange();
 }
 
 NET::WindowType LayerShellV1Window::windowType() const
 {
     return m_windowType;
 }
 
 bool LayerShellV1Window::isPlaceable() const
 {
     return false;
 }
 
 bool LayerShellV1Window::isCloseable() const
 {
     return true;
 }
 
 bool LayerShellV1Window::isMovable() const
 {
     return false;
 }
 
 bool LayerShellV1Window::isMovableAcrossScreens() const
 {
     return false;
 }
 
 bool LayerShellV1Window::isResizable() const
 {
     return false;
 }
 
 bool LayerShellV1Window::takeFocus()
 {
     if (acceptsFocus()) {
         setActive(true);
     }
     return true;
 }
 
 bool LayerShellV1Window::wantsInput() const
 {
     return acceptsFocus() && readyForPainting();
 }
 
 bool LayerShellV1Window::dockWantsInput() const
 {
     return wantsInput();
 }
 
 StrutRect LayerShellV1Window::strutRect(StrutArea area) const
 {
     switch (area) {
     case StrutAreaLeft:
         if (m_shellSurface->exclusiveEdge() == Qt::LeftEdge) {
             return StrutRect(x(), y(), m_shellSurface->exclusiveZone(), height(), StrutAreaLeft);
         }
         return StrutRect();
     case StrutAreaRight:
         if (m_shellSurface->exclusiveEdge() == Qt::RightEdge) {
             return StrutRect(x() + width() - m_shellSurface->exclusiveZone(), y(),
                              m_shellSurface->exclusiveZone(), height(), StrutAreaRight);
         }
         return StrutRect();
     case StrutAreaTop:
         if (m_shellSurface->exclusiveEdge() == Qt::TopEdge) {
             return StrutRect(x(), y(), width(), m_shellSurface->exclusiveZone(), StrutAreaTop);
         }
         return StrutRect();
     case StrutAreaBottom:
         if (m_shellSurface->exclusiveEdge() == Qt::BottomEdge) {
             return StrutRect(x(), y() + height() - m_shellSurface->exclusiveZone(),
                              width(), m_shellSurface->exclusiveZone(), StrutAreaBottom);
         }
         return StrutRect();
     default:
         return StrutRect();
     }
 }
 
 bool LayerShellV1Window::hasStrut() const
 {
     return m_shellSurface->exclusiveZone() > 0;
 }
 
 void LayerShellV1Window::destroyWindow()
 {
     if (m_screenEdge) {
         m_screenEdge->disconnect(this);
     }
     m_shellSurface->disconnect(this);
     m_shellSurface->surface()->disconnect(this);
     m_desiredOutput->disconnect(this);
 
     markAsDeleted();
     cleanTabBox();
     Q_EMIT closed();
     StackingUpdatesBlocker blocker(workspace());
     cleanGrouping();
     waylandServer()->removeWindow(this);
     scheduleRearrange();
     unref();
 }
 
 void LayerShellV1Window::closeWindow()
 {
     m_shellSurface->sendClosed();
 }
 
 Layer LayerShellV1Window::belongsToLayer() const
 {
     switch (m_shellSurface->layer()) {
     case LayerSurfaceV1Interface::BackgroundLayer:
         return DesktopLayer;
     case LayerSurfaceV1Interface::BottomLayer:
         return BelowLayer;
     case LayerSurfaceV1Interface::TopLayer:
         return AboveLayer;
     case LayerSurfaceV1Interface::OverlayLayer:
         return OverlayLayer;
     default:
         Q_UNREACHABLE();
     }
 }
 
 bool LayerShellV1Window::acceptsFocus() const
 {
     return !isDeleted() && m_shellSurface->acceptsFocus();
 }
 
 void LayerShellV1Window::moveResizeInternal(const QRectF &rect, MoveResizeMode mode)
 {
     if (areGeometryUpdatesBlocked()) {
         setPendingMoveResizeMode(mode);
         return;
     }
 
     const QSizeF requestedClientSize = frameSizeToClientSize(rect.size());
     if (requestedClientSize != clientSize()) {
         m_shellSurface->sendConfigure(rect.size().toSize());
     } else {
         updateGeometry(rect);
         return;
     }
 
     // The surface position is updated synchronously.
     QRectF updateRect = m_frameGeometry;
     updateRect.moveTopLeft(rect.topLeft());
     updateGeometry(updateRect);
 }
 
 void LayerShellV1Window::handleSizeChanged()
 {
     updateGeometry(QRectF(pos(), clientSizeToFrameSize(surface()->size())));
     scheduleRearrange();
 }
 
 void LayerShellV1Window::handleUnmapped()
 {
     m_integration->recreateWindow(shellSurface());
 }
 
 void LayerShellV1Window::handleCommitted()
 {
     if (surface()->buffer()) {
         markAsMapped();
     }
 }
 
 void LayerShellV1Window::handleAcceptsFocusChanged()
 {
     switch (m_shellSurface->layer()) {
     case LayerSurfaceV1Interface::TopLayer:
     case LayerSurfaceV1Interface::OverlayLayer:
         if (wantsInput()) {
             workspace()->activateWindow(this);
         }
         break;
     case LayerSurfaceV1Interface::BackgroundLayer:
     case LayerSurfaceV1Interface::BottomLayer:
         break;
     }
 }
 
 void LayerShellV1Window::handleOutputEnabledChanged()
 {
     if (!m_desiredOutput->isEnabled()) {
         closeWindow();
         destroyWindow();
     }
 }
 
 void LayerShellV1Window::setVirtualKeyboardGeometry(const QRectF &geo)
 {
     if (m_virtualKeyboardGeometry == geo) {
         return;
     }
 
     m_virtualKeyboardGeometry = geo;
     scheduleRearrange();
 }
 
 void LayerShellV1Window::showOnScreenEdge()
 {
     // ShowOnScreenEdge can be called by an Edge, and setHidden could destroy the Edge
     // Use the singleshot to avoid use-after-free
     QTimer::singleShot(0, this, &LayerShellV1Window::deactivateScreenEdge);
 }
 
 void LayerShellV1Window::installAutoHideScreenEdgeV1(AutoHideScreenEdgeV1Interface *edge)
 {
     m_screenEdge = edge;
 
     connect(edge, &AutoHideScreenEdgeV1Interface::destroyed,
             this, &LayerShellV1Window::deactivateScreenEdge);
     connect(edge, &AutoHideScreenEdgeV1Interface::activateRequested,
             this, &LayerShellV1Window::activateScreenEdge);
     connect(edge, &AutoHideScreenEdgeV1Interface::deactivateRequested,
             this, &LayerShellV1Window::deactivateScreenEdge);
 
     connect(this, &LayerShellV1Window::frameGeometryChanged, edge, [this]() {
         if (m_screenEdgeActive) {
             reserveScreenEdge();
         }
     });
 }
 
 void LayerShellV1Window::reserveScreenEdge()
 {
     if (workspace()->screenEdges()->reserve(this, m_screenEdge->border())) {
         setHidden(true);
     } else {
         setHidden(false);
     }
 }
 
 void LayerShellV1Window::unreserveScreenEdge()
 {
     setHidden(false);
     workspace()->screenEdges()->reserve(this, ElectricNone);
 }
 
 void LayerShellV1Window::activateScreenEdge()
 {
     m_screenEdgeActive = true;
     reserveScreenEdge();
 }
 
 void LayerShellV1Window::deactivateScreenEdge()
 {
     m_screenEdgeActive = false;
     unreserveScreenEdge();
 }
 
 } // namespace KWin
 
 #include "moc_layershellv1window.cpp"