Support ShowIsFullScreen in plugin and compositor.

Added way of controlling client side style hint ShowIsFullScreen from
compositor, and added support in plugin for the WindowFullScreen state.

Change-Id: I60efa5692b26e9a4079c3c2fb66eb72b67badd02
Reviewed-by: Laszlo Agocs <laszlo.p.agocs@nokia.com>

2 files changed, 28 insertions, 2 deletions

diff --git a/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.cpp b/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.cpp
index a98ffdfc9..3e2507e8e 100644
--- a/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.cpp
+++ b/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.cpp
@@ -61,20 +61,20 @@ public:
     QWaylandDisplay *m_waylandDisplay;
     struct wl_windowmanager *m_waylandWindowManager;
     QHash<QWindow*, QVariantMap> m_queuedProperties;
-
+    bool m_showIsFullScreen;
 };
 
 QWaylandWindowManagerIntegrationPrivate::QWaylandWindowManagerIntegrationPrivate(QWaylandDisplay *waylandDisplay)
     : m_blockPropertyUpdates(false)
     , m_waylandDisplay(waylandDisplay)
     , m_waylandWindowManager(0)
+    , m_showIsFullScreen(false)
 {
 
 }
 
 QWaylandWindowManagerIntegration *QWaylandWindowManagerIntegration::m_instance = 0;
 
-
 QWaylandWindowManagerIntegration *QWaylandWindowManagerIntegration::createIntegration(QWaylandDisplay *waylandDisplay)
 {
     return new QWaylandWindowManagerIntegration(waylandDisplay);
@@ -106,6 +106,12 @@ struct wl_windowmanager *QWaylandWindowManagerIntegration::windowManager() const
     return d->m_waylandWindowManager;
 }
 
+bool QWaylandWindowManagerIntegration::showIsFullScreen() const
+{
+    Q_D(const QWaylandWindowManagerIntegration);
+    return d->m_showIsFullScreen;
+}
+
 void QWaylandWindowManagerIntegration::wlHandleListenerGlobal(wl_display *display, uint32_t id, const char *interface, uint32_t version, void *data)
 {
     Q_UNUSED(version);
@@ -113,9 +119,21 @@ void QWaylandWindowManagerIntegration::wlHandleListenerGlobal(wl_display *displa
         QWaylandWindowManagerIntegration *integration = static_cast<QWaylandWindowManagerIntegration *>(data);
         integration->d_ptr->m_waylandWindowManager =
                 static_cast<struct wl_windowmanager *>(wl_display_bind(display, id, &wl_windowmanager_interface));
+        wl_windowmanager_add_listener(integration->d_ptr->m_waylandWindowManager, &windowmanager_listener, integration);
     }
 }
 
+const struct wl_windowmanager_listener QWaylandWindowManagerIntegration::windowmanager_listener = {
+    QWaylandWindowManagerIntegration::handle_hints
+};
+
+void QWaylandWindowManagerIntegration::handle_hints(void *data, wl_windowmanager *ext, int32_t showIsFullScreen)
+{
+    Q_UNUSED(ext);
+    QWaylandWindowManagerIntegration *self = static_cast<QWaylandWindowManagerIntegration *>(data);
+    self->d_func()->m_showIsFullScreen = showIsFullScreen;
+}
+
 void QWaylandWindowManagerIntegration::mapClientToProcess(long long processId)
 {
     Q_D(QWaylandWindowManagerIntegration);
diff --git a/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.h b/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.h
index af93eac4b..cfb4df799 100644
--- a/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.h
+++ b/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.h
@@ -68,6 +68,8 @@ public:
     void mapClientToProcess(long long processId);
     void authenticateWithToken(const QByteArray &token = QByteArray());
 
+    bool showIsFullScreen() const;
+
 private:
     static void wlHandleListenerGlobal(wl_display *display, uint32_t id,
                                        const char *interface, uint32_t version, void *data);
@@ -76,6 +78,12 @@ private:
     QScopedPointer<QWaylandWindowManagerIntegrationPrivate> d_ptr;
     static QWaylandWindowManagerIntegration *m_instance;
 
+    static const struct wl_windowmanager_listener windowmanager_listener;
+
+    static void handle_hints(void *data,
+                             struct wl_windowmanager *ext,
+                             int32_t showIsFullScreen);
+
     static const struct wl_windowmanager_listener m_windowManagerListener;
 };