File indexing completed on 2024-05-12 17:00:19

 /*
     SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 #include "windowsystem.h"
 #include "logging.h"
 #include "waylandintegration.h"
 #include "waylandxdgactivationv1_p.h"
 
 #include <KWindowSystem>
 
 #include <KWayland/Client/connection_thread.h>
 #include <KWayland/Client/plasmashell.h>
 #include <KWayland/Client/plasmawindowmanagement.h>
 #include <KWayland/Client/registry.h>
 #include <KWayland/Client/seat.h>
 #include <KWayland/Client/surface.h>
 
 #include <QGuiApplication>
 #include <QPixmap>
 #include <QPoint>
 #include <QString>
 #include <QWindow>
 #include <private/qwaylanddisplay_p.h>
 #include <private/qwaylandinputdevice_p.h>
 #include <private/qwaylandwindow_p.h>
 #include <qpa/qplatformnativeinterface.h>
 
 using namespace KWayland::Client;
 
 WindowSystem::WindowSystem()
     : QObject()
     , KWindowSystemPrivateV2()
     , m_lastToken(qEnvironmentVariable("XDG_ACTIVATION_TOKEN"))
 {
 }
 
 void WindowSystem::activateWindow(WId win, long int time)
 {
     Q_UNUSED(time);
     Surface *s = Surface::fromQtWinId(win);
     if (!s) {
         return;
     }
     WaylandXdgActivationV1 *activation = WaylandIntegration::self()->activation();
     if (!activation) {
         return;
     }
     activation->activate(m_lastToken, *s);
 }
 
 void WindowSystem::forceActiveWindow(WId win, long int time)
 {
     activateWindow(win, time);
 }
 
 void WindowSystem::requestToken(QWindow *window, uint32_t serial, const QString &app_id)
 {
     wl_surface *wlSurface = [](QWindow *window) -> wl_surface * {
         if (!window) {
             return nullptr;
         }
 
         QPlatformNativeInterface *native = qGuiApp->platformNativeInterface();
         if (!native) {
             return nullptr;
         }
         window->create();
         return reinterpret_cast<wl_surface *>(native->nativeResourceForWindow(QByteArrayLiteral("surface"), window));
     }(window);
 
     WaylandXdgActivationV1 *activation = WaylandIntegration::self()->activation();
     if (!activation) {
         // Ensure that xdgActivationTokenArrived is always emitted asynchronously
         QTimer::singleShot(0, [serial] {
             Q_EMIT KWindowSystem::self()->xdgActivationTokenArrived(serial, {});
         });
         return;
     }
 
     auto waylandWindow = window ? dynamic_cast<QtWaylandClient::QWaylandWindow *>(window->handle()) : nullptr;
     auto seat = waylandWindow ? waylandWindow->display()->defaultInputDevice()->wl_seat() : nullptr;
     auto tokenReq = activation->requestXdgActivationToken(seat, wlSurface, serial, app_id);
     connect(tokenReq, &WaylandXdgActivationTokenV1::failed, KWindowSystem::self(), [serial, app_id]() {
         Q_EMIT KWindowSystem::self()->xdgActivationTokenArrived(serial, {});
     });
     connect(tokenReq, &WaylandXdgActivationTokenV1::done, KWindowSystem::self(), [serial](const QString &token) {
         Q_EMIT KWindowSystem::self()->xdgActivationTokenArrived(serial, token);
     });
 }
 
 void WindowSystem::setCurrentToken(const QString &token)
 {
     m_lastToken = token;
 }
 
 quint32 WindowSystem::lastInputSerial(QWindow *window)
 {
     auto waylandWindow = window ? dynamic_cast<QtWaylandClient::QWaylandWindow *>(window->handle()) : nullptr;
     if (!waylandWindow) {
         // Should never get here
         return 0;
     }
     return waylandWindow->display()->lastInputSerial();
 }
 
 WId WindowSystem::activeWindow()
 {
     qCDebug(KWAYLAND_KWS) << "This plugin does not support querying the active window";
     return 0;
 }
 
 bool WindowSystem::allowedActionsSupported()
 {
     return false;
 }
 
 void WindowSystem::allowExternalProcessWindowActivation(int pid)
 {
     Q_UNUSED(pid)
 }
 
 bool WindowSystem::compositingActive()
 {
     // wayland is always composited
     return true;
 }
 
 void WindowSystem::connectNotify(const QMetaMethod &signal)
 {
     Q_UNUSED(signal)
 }
 
 QPoint WindowSystem::constrainViewportRelativePosition(const QPoint &pos)
 {
     Q_UNUSED(pos)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support viewport positions";
     return QPoint();
 }
 
 int WindowSystem::currentDesktop()
 {
     qCDebug(KWAYLAND_KWS) << "This plugin does not support virtual desktops";
     return 0;
 }
 
 #if KWINDOWSYSTEM_BUILD_DEPRECATED_SINCE(5, 101)
 void WindowSystem::demandAttention(WId win, bool set)
 {
     Q_UNUSED(win)
     Q_UNUSED(set)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support demanding attention";
 }
 #endif
 
 QString WindowSystem::desktopName(int desktop)
 {
     Q_UNUSED(desktop)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support virtual desktops";
     return QString();
 }
 
 QPoint WindowSystem::desktopToViewport(int desktop, bool absolute)
 {
     Q_UNUSED(desktop)
     Q_UNUSED(absolute)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support viewport positions";
     return QPoint();
 }
 
 #if KWINDOWSYSTEM_BUILD_DEPRECATED_SINCE(5, 0)
 WId WindowSystem::groupLeader(WId window)
 {
     Q_UNUSED(window)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support group leader";
     return 0;
 }
 #endif
 
 bool WindowSystem::icccmCompliantMappingState()
 {
     return false;
 }
 
 QPixmap WindowSystem::icon(WId win, int width, int height, bool scale, int flags)
 {
     Q_UNUSED(win)
     Q_UNUSED(width)
     Q_UNUSED(height)
     Q_UNUSED(scale)
     Q_UNUSED(flags)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support getting window icons";
     return QPixmap();
 }
 
 void WindowSystem::lowerWindow(WId win)
 {
     Q_UNUSED(win)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support lower window";
 }
 
 bool WindowSystem::mapViewport()
 {
     qCDebug(KWAYLAND_KWS) << "This plugin does not support viewport positions";
     return false;
 }
 
 void WindowSystem::minimizeWindow(WId win)
 {
     Q_UNUSED(win)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support minimizing windows";
 }
 
 void WindowSystem::unminimizeWindow(WId win)
 {
     Q_UNUSED(win)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support unminimizing windows";
 }
 
 int WindowSystem::numberOfDesktops()
 {
     qCDebug(KWAYLAND_KWS) << "This plugin does not support virtual desktops";
     return 1;
 }
 
 void WindowSystem::raiseWindow(WId win)
 {
     Q_UNUSED(win)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support raising windows";
 }
 
 QString WindowSystem::readNameProperty(WId window, long unsigned int atom)
 {
     Q_UNUSED(window)
     Q_UNUSED(atom)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support reading X11 properties";
     return QString();
 }
 
 void WindowSystem::setBlockingCompositing(WId window, bool active)
 {
     Q_UNUSED(window)
     Q_UNUSED(active)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support blocking compositing";
 }
 
 void WindowSystem::setCurrentDesktop(int desktop)
 {
     Q_UNUSED(desktop)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support virtual desktops";
 }
 
 void WindowSystem::setDesktopName(int desktop, const QString &name)
 {
     Q_UNUSED(desktop)
     Q_UNUSED(name)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support virtual desktops";
 }
 
 void WindowSystem::setExtendedStrut(WId win,
                                     int left_width,
                                     int left_start,
                                     int left_end,
                                     int right_width,
                                     int right_start,
                                     int right_end,
                                     int top_width,
                                     int top_start,
                                     int top_end,
                                     int bottom_width,
                                     int bottom_start,
                                     int bottom_end)
 {
     Q_UNUSED(win)
     Q_UNUSED(left_width)
     Q_UNUSED(left_start)
     Q_UNUSED(left_end)
     Q_UNUSED(right_width)
     Q_UNUSED(right_start)
     Q_UNUSED(right_end)
     Q_UNUSED(top_width)
     Q_UNUSED(top_start)
     Q_UNUSED(top_end)
     Q_UNUSED(bottom_width)
     Q_UNUSED(bottom_start)
     Q_UNUSED(bottom_end)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support window struts";
 }
 
 void WindowSystem::setStrut(WId win, int left, int right, int top, int bottom)
 {
     Q_UNUSED(win)
     Q_UNUSED(left)
     Q_UNUSED(right)
     Q_UNUSED(top)
     Q_UNUSED(bottom)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support window struts";
 }
 
 #if KWINDOWSYSTEM_BUILD_DEPRECATED_SINCE(5, 101)
 void WindowSystem::setIcons(WId win, const QPixmap &icon, const QPixmap &miniIcon)
 {
     Q_UNUSED(win)
     Q_UNUSED(icon)
     Q_UNUSED(miniIcon)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support setting window icons";
 }
 #endif
 
 void WindowSystem::setOnActivities(WId win, const QStringList &activities)
 {
     Q_UNUSED(win)
     Q_UNUSED(activities)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support activities";
 }
 
 void WindowSystem::setOnAllDesktops(WId win, bool b)
 {
     Q_UNUSED(win)
     Q_UNUSED(b)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support setting window on all desktops";
 }
 
 void WindowSystem::setOnDesktop(WId win, int desktop)
 {
     Q_UNUSED(win)
     Q_UNUSED(desktop)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support setting window on a specific desktop";
 }
 
 void WindowSystem::setShowingDesktop(bool showing)
 {
     if (!WaylandIntegration::self()->plasmaWindowManagement()) {
         return;
     }
     WaylandIntegration::self()->plasmaWindowManagement()->setShowingDesktop(showing);
 }
 
 void WindowSystem::clearState(WId win, NET::States state)
 {
     Surface *s = Surface::fromQtWinId(win);
     if (!s) {
         return;
     }
 
     KWayland::Client::PlasmaShellSurface *plasmaShellSurface = nullptr;
 
     if (state & NET::SkipTaskbar || state & NET::SkipSwitcher) {
         if (!WaylandIntegration::self()->waylandPlasmaShell()) {
             return;
         }
         plasmaShellSurface = PlasmaShellSurface::get(s);
         if (!plasmaShellSurface) {
             plasmaShellSurface = WaylandIntegration::self()->waylandPlasmaShell()->createSurface(s, this);
         }
         if (!plasmaShellSurface) {
             return;
         }
     }
 
     if (state & NET::SkipTaskbar) {
         plasmaShellSurface->setSkipTaskbar(false);
     }
 
     if (state & NET::SkipSwitcher) {
         plasmaShellSurface->setSkipSwitcher(false);
     }
 
     if (state & NET::Max) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Max window state";
     }
     if (state & NET::FullScreen) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing FullScreen window state";
     }
     if (state & NET::Modal) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Modal window state";
     }
     if (state & NET::Sticky) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Sticky window state";
     }
     if (state & NET::Shaded) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Shaded window state";
     }
     if (state & NET::KeepAbove) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing KeepAbove window state";
     }
     if (state & NET::KeepAbove) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing StaysOnTop window state";
     }
     if (state & NET::SkipPager) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing SkipPager window state";
     }
     if (state & NET::Hidden) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Hidden window state";
     }
     if (state & NET::KeepBelow) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing KeepBelow window state";
     }
     if (state & NET::DemandsAttention) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing DemandsAttention window state";
     }
 }
 
 void WindowSystem::setState(WId win, NET::States state)
 {
     Surface *s = Surface::fromQtWinId(win);
     if (!s) {
         return;
     }
 
     KWayland::Client::PlasmaShellSurface *plasmaShellSurface = nullptr;
 
     if (state & NET::SkipTaskbar || state & NET::SkipSwitcher) {
         if (!WaylandIntegration::self()->waylandPlasmaShell()) {
             return;
         }
         plasmaShellSurface = PlasmaShellSurface::get(s);
         if (!plasmaShellSurface) {
             plasmaShellSurface = WaylandIntegration::self()->waylandPlasmaShell()->createSurface(s, this);
         }
         if (!plasmaShellSurface) {
             return;
         }
     }
 
     if (state & NET::SkipTaskbar) {
         plasmaShellSurface->setSkipTaskbar(true);
     }
 
     if (state & NET::SkipSwitcher) {
         plasmaShellSurface->setSkipSwitcher(true);
     }
 
     if (state & NET::Max) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Max window state";
     }
     if (state & NET::FullScreen) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing FullScreen window state";
     }
     if (state & NET::Modal) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Modal window state";
     }
     if (state & NET::Sticky) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Sticky window state";
     }
     if (state & NET::Shaded) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Shaded window state";
     }
     if (state & NET::KeepAbove) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing KeepAbove window state";
     }
     if (state & NET::KeepAbove) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing StaysOnTop window state";
     }
     if (state & NET::SkipPager) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing SkipPager window state";
     }
     if (state & NET::Hidden) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Hidden window state";
     }
     if (state & NET::KeepBelow) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing KeepBelow window state";
     }
     if (state & NET::DemandsAttention) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing DemandsAttention window state";
     }
 }
 
 void WindowSystem::setType(WId win, NET::WindowType windowType)
 {
     if (!WaylandIntegration::self()->waylandPlasmaShell()) {
         return;
     }
     KWayland::Client::PlasmaShellSurface::Role role;
 
     switch (windowType) {
     case NET::Normal:
         role = KWayland::Client::PlasmaShellSurface::Role::Normal;
         break;
     case NET::Desktop:
         role = KWayland::Client::PlasmaShellSurface::Role::Desktop;
         break;
     case NET::Dock:
         role = KWayland::Client::PlasmaShellSurface::Role::Panel;
         break;
     case NET::OnScreenDisplay:
         role = KWayland::Client::PlasmaShellSurface::Role::OnScreenDisplay;
         break;
     case NET::Notification:
         role = KWayland::Client::PlasmaShellSurface::Role::Notification;
         break;
     case NET::Tooltip:
     case NET::PopupMenu:
         role = KWayland::Client::PlasmaShellSurface::Role::ToolTip;
         break;
     case NET::CriticalNotification:
         role = KWayland::Client::PlasmaShellSurface::Role::CriticalNotification;
         break;
     default:
         return;
     }
     Surface *s = Surface::fromQtWinId(win);
     if (!s) {
         return;
     }
     KWayland::Client::PlasmaShellSurface *shellSurface = WaylandIntegration::self()->waylandPlasmaShell()->createSurface(s, this);
 
     shellSurface->setRole(role);
 }
 
 void WindowSystem::setUserTime(WId win, long int time)
 {
     Q_UNUSED(win)
     Q_UNUSED(time)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support setting user type";
 }
 
 bool WindowSystem::showingDesktop()
 {
     if (!WaylandIntegration::self()->plasmaWindowManagement()) {
         return false;
     }
     return WaylandIntegration::self()->plasmaWindowManagement()->isShowingDesktop();
 }
 
 QList<WId> WindowSystem::stackingOrder()
 {
     qCDebug(KWAYLAND_KWS) << "This plugin does not support getting windows";
     return QList<WId>();
 }
 
 #if KWINDOWSYSTEM_BUILD_DEPRECATED_SINCE(5, 0)
 WId WindowSystem::transientFor(WId window)
 {
     Q_UNUSED(window)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support transient for windows";
     return 0;
 }
 #endif
 
 int WindowSystem::viewportToDesktop(const QPoint &pos)
 {
     Q_UNUSED(pos)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support viewports";
     return 0;
 }
 
 int WindowSystem::viewportWindowToDesktop(const QRect &r)
 {
     Q_UNUSED(r)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support viewports";
     return 0;
 }
 
 QList<WId> WindowSystem::windows()
 {
     return stackingOrder();
 }
 
 QRect WindowSystem::workArea(const QList<WId> &excludes, int desktop)
 {
     Q_UNUSED(excludes)
     Q_UNUSED(desktop)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support work area";
     return QRect();
 }
 
 QRect WindowSystem::workArea(int desktop)
 {
     Q_UNUSED(desktop)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support work area";
     return QRect();
 }