diff -r 36f1581b43e2 -r 40dbf1a7526a ui/motif/container.c
--- a/ui/motif/container.c	Sun Jan 24 12:39:05 2016 +0100
+++ b/ui/motif/container.c	Sun Jan 24 18:47:39 2016 +0100
@@ -735,6 +735,11 @@
     ct->layout.vexpand = expand;
 }
 
+void ui_layout_gridwidth(UiObject *obj, int width) {
+    UiContainer *ct = uic_get_current_container(obj);
+    ct->layout.gridwidth = width;
+}
+
 void ui_newline(UiObject *obj) {
     UiContainer *ct = uic_get_current_container(obj);
     ct->layout.newline = TRUE;