+ // send _NET_REQUEST_FRAME_EXTENTS
+ XClientMessageEvent xevent;
+ memset(&xevent, 0, sizeof(xevent));
+ xevent.type = ClientMessage;
+ GdkWindow* window = gtk_widget_get_window(m_widget);
+ xevent.window = GDK_WINDOW_XID(window);
+ xevent.message_type = gdk_x11_atom_to_xatom_for_display(
+ gdk_window_get_display(window),
+ gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
+ xevent.format = 32;
+ Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
+ XSendEvent(display, DefaultRootWindow(display), false,
+ SubstructureNotifyMask | SubstructureRedirectMask,
+ (XEvent*)&xevent);
+
+ if (gs_requestFrameExtentsStatus == 0)
+ {
+ // if WM does not respond to request within 1 second,
+ // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
+ m_netFrameExtentsTimerId =
+ g_timeout_add(1000, request_frame_extents_timeout, this);
+ }
+
+ // defer calling gtk_widget_show()
+ m_isShown = true;
+ return true;
+ }
+#endif // GDK_WINDOWING_X11
+
+ if (show && !gtk_widget_get_realized(m_widget))
+ {
+ // size_allocate signals occur in reverse order (bottom to top).
+ // Things work better if the initial wxSizeEvents are sent (from the
+ // top down), before the initial size_allocate signals occur.
+ wxSizeEvent event(GetSize(), GetId());
+ event.SetEventObject(this);
+ HandleWindowEvent(event);