+ case wxSYS_BORDER_X:
+ case wxSYS_BORDER_Y:
+ case wxSYS_EDGE_X:
+ case wxSYS_EDGE_Y:
+ case wxSYS_FRAMESIZE_X:
+ case wxSYS_FRAMESIZE_Y:
+ // If a window is specified/realized, and it is a toplevel window, we can query from wm.
+ // The returned border thickness is outside the client area in that case.
+ if (window)
+ {
+ wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
+ if (!tlw)
+ return -1; // not a tlw, not sure how to approach
+ else
+ {
+ // Check if wm supports frame extents - we can't know
+ // the border widths if it does not.
+#if GTK_CHECK_VERSION(2,2,0)
+ if (!gtk_check_version(2,2,0))
+ {
+ if (!gdk_x11_screen_supports_net_wm_hint(
+ gdk_drawable_get_screen(window),
+ gdk_atom_intern("_NET_FRAME_EXTENTS", false) ) )
+ return -1;
+ }
+ else
+#endif
+ {
+ if (!gdk_net_wm_supports(gdk_atom_intern("_NET_FRAME_EXTENTS", false)))
+ return -1;
+ }
+
+ // Get the frame extents from the windowmanager.
+ // In most cases the top extent is the titlebar, so we use the bottom extent
+ // for the heights.
+ if (wxXGetWindowProperty(window, type, format, nitems, data))
+ {
+ int border_return = -1;
+
+ if ((type == XA_CARDINAL) && (format == 32) && (nitems >= 4) && (data))
+ {
+ switch(index)
+ {
+ case wxSYS_BORDER_X:
+ case wxSYS_EDGE_X:
+ case wxSYS_FRAMESIZE_X:
+ border_return = int(data[1]); // width of right extent
+ break;
+ default:
+ border_return = int(data[3]); // height of bottom extent
+ break;
+ }
+ }
+
+ if (data)
+ XFree(data);
+
+ return border_return;
+ }
+ }
+ }
+
+ return -1; // no window specified
+
+ case wxSYS_CURSOR_X:
+ case wxSYS_CURSOR_Y:
+#ifdef __WXGTK24__
+ if (!gtk_check_version(2,4,0))
+ {
+ if (window)
+ return gdk_display_get_default_cursor_size(gdk_drawable_get_display(window));
+ else
+ return gdk_display_get_default_cursor_size(gdk_display_get_default());
+ }
+ else
+#endif
+ return 16;
+
+ case wxSYS_DCLICK_X:
+ case wxSYS_DCLICK_Y:
+ gint dclick_distance;
+#if GTK_CHECK_VERSION(2,2,0)
+ if (window && !gtk_check_version(2,2,0))
+ g_object_get(gtk_settings_get_for_screen(gdk_drawable_get_screen(window)),
+ "gtk-double-click-distance", &dclick_distance, NULL);
+ else
+#endif
+ g_object_get(gtk_settings_get_default(),
+ "gtk-double-click-distance", &dclick_distance, NULL);
+
+ return dclick_distance * 2;
+
+ case wxSYS_DRAG_X:
+ case wxSYS_DRAG_Y:
+ gint drag_threshold;
+#if GTK_CHECK_VERSION(2,2,0)
+ if (window && !gtk_check_version(2,2,0))
+ {
+ g_object_get(
+ gtk_settings_get_for_screen(gdk_drawable_get_screen(window)),
+ "gtk-dnd-drag-threshold",
+ &drag_threshold, NULL);
+ }
+ else
+#endif
+ {
+ g_object_get(gtk_settings_get_default(),
+ "gtk-dnd-drag-threshold", &drag_threshold, NULL);
+ }
+
+ // The correct thing here would be to double the value
+ // since that is what the API wants. But the values
+ // are much bigger under GNOME than under Windows and
+ // just seem to much in many cases to be useful.
+ // drag_threshold *= 2;
+
+ return drag_threshold;