X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/8f32c9e8976417d6040cd48359e999a1e4a3a998..2fb439b45a8d445a24aee5b21fa10c33830a134a:/gtk.c

diff --git a/gtk.c b/gtk.c
index 8452bcd..714d679 100644
--- a/gtk.c
+++ b/gtk.c
@@ -1672,13 +1672,19 @@ static gboolean not_size_allocated_yet(GtkWidget *w)
      * size allocation. A null widget is already taking up all the
      * space it ever will.)
      */
-    GtkAllocation a;
-
     if (!w)
         return FALSE;        /* nonexistent widgets aren't a problem */
 
-    gtk_widget_get_allocation(w, &a);
-    return a.height == 0 || a.width == 0;
+#if GTK_CHECK_VERSION(2,18,0)  /* skip if no gtk_widget_get_allocation */
+    {
+        GtkAllocation a;
+        gtk_widget_get_allocation(w, &a);
+        if (a.height == 0 || a.width == 0)
+            return TRUE;       /* widget exists but has no size yet */
+    }
+#endif
+
+    return FALSE;
 }
 
 static void try_shrink_drawing_area(frontend *fe)