[wayland] Drop hack for faking input for Qt popups

This reverts 29c2ae57.

main_wayland.cpp

@@ -206,7 +206,6 @@ void ApplicationWayland::continueStartupWithX()
     Xcb::sync(); // Trigger possible errors, there's still a chance to abort
 
     notifyKSplash();
-    waylandServer()->createDummyQtWindow();
 }
 
 void ApplicationWayland::createX11Connection()

wayland_server.cpp

@@ -115,10 +115,6 @@ void WaylandServer::init(const QByteArray &socketName)
             }
             if (surface->client() == m_internalConnection.server) {
                 // one of Qt's windows
-                if (m_dummyWindowSurface && (m_dummyWindowSurface->id() == surface->surface()->id())) {
-                    fakeDummyQtWindowInput();
-                    return;
-                }
                 // HACK: in order to get Qt to not block for frame rendered, we immediatelly emit the
                 // frameRendered once we get a new damage event.
                 auto s = surface->surface();
@@ -310,37 +306,6 @@ void WaylandServer::removeClient(ShellClient *c)
     emit shellClientRemoved(c);
 }
 
-void WaylandServer::createDummyQtWindow()
-{
-    if (m_dummyWindow) {
-        return;
-    }
-    m_dummyWindow.reset(new QWindow());
-    m_dummyWindow->setSurfaceType(QSurface::RasterSurface);
-    m_dummyWindow->show();
-    m_dummyWindowSurface = KWayland::Client::Surface::fromWindow(m_dummyWindow.data());
-}
-
-void WaylandServer::fakeDummyQtWindowInput()
-{
-    // we need to fake Qt into believing it has got any seat events
-    // this is done only when receiving either a key press or button.
-    // we simulate by sending a button press and release
-    auto surface = KWayland::Server::SurfaceInterface::get(m_dummyWindowSurface->id(), m_internalConnection.server);
-    if (!surface) {
-        return;
-    }
-    const auto oldSeatSurface = m_seat->focusedPointerSurface();
-    const auto oldPos = m_seat->focusedPointerSurfacePosition();
-    m_seat->setFocusedPointerSurface(surface, QPoint(0, 0));
-    m_seat->setPointerPos(QPointF(0, 0));
-    m_seat->pointerButtonPressed(Qt::LeftButton);
-    m_seat->pointerButtonReleased(Qt::LeftButton);
-    m_internalConnection.server->flush();
-    m_dummyWindow->hide();
-    m_seat->setFocusedPointerSurface(oldSeatSurface, oldPos);
-}
-
 void WaylandServer::dispatch()
 {
     if (!m_display) {

wayland_server.h

@@ -109,7 +109,6 @@ public:
     int createInputMethodConnection();
 
     void createInternalConnection();
-    void createDummyQtWindow();
     void initWorkspace();
 
     KWayland::Server::ClientConnection *xWaylandConnection() const {
@@ -138,7 +137,6 @@ Q_SIGNALS:
     void shellClientRemoved(ShellClient*);
 
 private:
-    void fakeDummyQtWindowInput();
     quint16 createClientId(KWayland::Server::ClientConnection *c);
     KWayland::Server::Display *m_display = nullptr;
     KWayland::Server::CompositorInterface *m_compositor = nullptr;
@@ -160,8 +158,6 @@ private:
     AbstractBackend *m_backend = nullptr;
     QList<ShellClient*> m_clients;
     QList<ShellClient*> m_internalClients;
-    QScopedPointer<QWindow> m_dummyWindow;
-    KWayland::Client::Surface *m_dummyWindowSurface = nullptr;
     QHash<KWayland::Server::ClientConnection*, quint16> m_clientIds;
     KWIN_SINGLETON(WaylandServer)
 };