add WM support class

Add a QXcbWMSupport class to better integrate with
NET_WM compliant window managers.

Suppport NET_WM_USER_TIME on windows.

Reviewed-by: Samuel

1 files changed, 4 insertions, 0 deletions

diff --git a/src/plugins/platforms/xcb/qxcbwindow.h b/src/plugins/platforms/xcb/qxcbwindow.h
index 23b9d7ac2b..0412f4a75e 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.h
+++ b/src/plugins/platforms/xcb/qxcbwindow.h
@@ -100,6 +100,8 @@ public:
     void handleMouseEvent(xcb_button_t detail, uint16_t state, xcb_timestamp_t time, const QPoint &local, const QPoint &global);
 
     void updateSyncRequestCounter();
+    void updateNetWmUserTime(xcb_timestamp_t timestamp);
+    void netWmUserTime() const;
 
 private:
     void changeNetWmState(bool set, xcb_atom_t one, xcb_atom_t two = 0);
@@ -113,6 +115,7 @@ private:
     void updateMotifWmHintsBeforeMap();
     void updateNetWmStateBeforeMap();
 
+
     void create();
     void destroy();
 
@@ -134,6 +137,7 @@ private:
     Qt::WindowState m_windowState;
 
     bool m_mapped;
+    xcb_window_t m_netWmUserTimeWindow;
 };
 
 #endif