- const bool wasRealized = GTK_WIDGET_REALIZED(m_widget);
- bool deferShow =
- show && m_deferShow && !wasRealized &&
- g_signal_handler_find(m_widget,
- GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
- g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
- 0, NULL, NULL, this);
+ bool deferShow = show && !m_isShown && m_deferShow;
+ if (deferShow)
+ {
+ deferShow = m_deferShowAllowed && !GTK_WIDGET_REALIZED(m_widget);
+ if (deferShow)
+ {
+ deferShow = g_signal_handler_find(m_widget,
+ GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
+ g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
+ 0, NULL, NULL, this) != 0;
+ }
+ GdkScreen* screen = NULL;
+ if (deferShow)
+ {
+ screen = gtk_widget_get_screen(m_widget);
+ GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
+ deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
+ // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
+ // to m_decorSize, it breaks saving/restoring window size with
+ // GetSize()/SetSize() because it makes window bigger between each
+ // restore and save.
+ m_updateDecorSize = deferShow;
+ }
+ if (deferShow)
+ {
+ // Fluxbox support for _NET_REQUEST_FRAME_EXTENTS is broken
+ const char* name = gdk_x11_screen_get_window_manager_name(screen);
+ deferShow = strcmp(name, "Fluxbox") != 0;
+ m_updateDecorSize = deferShow;
+ }
+
+ m_deferShow = deferShow;
+ }