[wayland] Drop Qt extended surface

Summary:
This is only relevant on Qt and when WlShell is used.
This was only the case before Qt5.10.

We will depend on Qt5.12 next release.
Static Qt builds which are that old typically wouldn't contain QtWayland

Test Plan: Compiles. Not used in tests

Reviewers: #kwin, graesslin

Reviewed By: #kwin, graesslin

Subscribers: graesslin, zzag, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D18594

shell_client.cpp

@@ -714,8 +714,6 @@ void ShellClient::closeWindow()
         m_xdgShellSurface->close();
         const qint32 pingSerial = static_cast<XdgShellInterface *>(m_xdgShellSurface->global())->ping(m_xdgShellSurface);
         m_pingSerials.insert(pingSerial, PingReason::CloseWindow);
-    } else if (m_qtExtendedSurface && isCloseable()) {
-        m_qtExtendedSurface->close();
     } else if (m_internalWindow) {
         m_internalWindow->hide();
     }
@@ -738,7 +736,7 @@ bool ShellClient::isCloseable() const
     if (m_internal) {
         return true;
     }
-    return m_qtExtendedSurface ? true : false;
+    return false;
 }
 
 bool ShellClient::isFullScreen() const
@@ -1450,19 +1448,6 @@ bool ShellClient::isInitialPositionSet() const
     return false;
 }
 
-void ShellClient::installQtExtendedSurface(QtExtendedSurfaceInterface *surface)
-{
-    m_qtExtendedSurface = surface;
-
-    connect(m_qtExtendedSurface.data(), &QtExtendedSurfaceInterface::raiseRequested, this, [this]() {
-        workspace()->raiseClientRequest(this);
-    });
-    connect(m_qtExtendedSurface.data(), &QtExtendedSurfaceInterface::lowerRequested, this, [this]() {
-        workspace()->lowerClientRequest(this);
-    });
-    m_qtExtendedSurface->installEventFilter(this);
-}
-
 void ShellClient::installAppMenu(AppMenuInterface *menu)
 {
     m_appMenuInterface = menu;

shell_client.h

@@ -33,7 +33,6 @@ class ServerSideDecorationInterface;
 class ServerSideDecorationPaletteInterface;
 class AppMenuInterface;
 class PlasmaShellSurfaceInterface;
-class QtExtendedSurfaceInterface;
 class XdgDecorationInterface;
 }
 }
@@ -139,7 +138,6 @@ public:
     }
 
     void installPlasmaShellSurface(KWayland::Server::PlasmaShellSurfaceInterface *surface);
-    void installQtExtendedSurface(KWayland::Server::QtExtendedSurfaceInterface *surface);
     void installServerSideDecoration(KWayland::Server::ServerSideDecorationInterface *decoration);
     void installAppMenu(KWayland::Server::AppMenuInterface *appmenu);
     void installPalette(KWayland::Server::ServerSideDecorationPaletteInterface *palette);
@@ -255,7 +253,6 @@ private:
     QRect m_geomMaximizeRestore; // size and position of the window before it was set to maximize
     NET::WindowType m_windowType = NET::Normal;
     QPointer<KWayland::Server::PlasmaShellSurfaceInterface> m_plasmaShellSurface;
-    QPointer<KWayland::Server::QtExtendedSurfaceInterface> m_qtExtendedSurface;
     QPointer<KWayland::Server::AppMenuInterface> m_appMenuInterface;
     QPointer<KWayland::Server::ServerSideDecorationPaletteInterface> m_paletteInterface;
     KWayland::Server::ServerSideDecorationInterface *m_serverDecoration = nullptr;

wayland_server.cpp

@@ -295,17 +295,6 @@ bool WaylandServer::init(const QByteArray &socketName, InitalizationFlags flags)
             }
         }
     );
-
-
-    m_qtExtendedSurface = m_display->createQtSurfaceExtension(m_display);
-    m_qtExtendedSurface->create();
-    connect(m_qtExtendedSurface, &QtSurfaceExtensionInterface::surfaceCreated,
-        [this] (QtExtendedSurfaceInterface *surface) {
-            if (ShellClient *client = findClient(surface->surface())) {
-                client->installQtExtendedSurface(surface);
-            }
-        }
-    );
     m_appMenuManager = m_display->createAppMenuManagerInterface(m_display);
     m_appMenuManager->create();
     connect(m_appMenuManager, &AppMenuManagerInterface::appMenuCreated,

wayland_server.h

@@ -240,7 +240,6 @@ private:
     KWayland::Server::PlasmaShellInterface *m_plasmaShell = nullptr;
     KWayland::Server::PlasmaWindowManagementInterface *m_windowManagement = nullptr;
     KWayland::Server::PlasmaVirtualDesktopManagementInterface *m_virtualDesktopManagement = nullptr;
-    KWayland::Server::QtSurfaceExtensionInterface *m_qtExtendedSurface = nullptr;
     KWayland::Server::ServerSideDecorationManagerInterface *m_decorationManager = nullptr;
     KWayland::Server::OutputManagementInterface *m_outputManagement = nullptr;
     KWayland::Server::AppMenuManagerInterface *m_appMenuManager = nullptr;