[dia] [gtk-deprecated] protect gtk_widget_get_allocated_width ()

[Hans Breuer <hans src gnome org>]

commit 972272a01b3b3cdad4445ea98d701bc426bd294a
Author: Hans Breuer <hans breuer org>
Date:   Sun Aug 19 19:21:18 2012 +0200

    [gtk-deprecated] protect gtk_widget_get_allocated_width ()
    
    Dia master is still supposed to compile with gtk-2-16

 app/ruler.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/app/ruler.c b/app/ruler.c
index 5b0c25d..dc49a1f 100644
--- a/app/ruler.c
+++ b/app/ruler.c
@@ -72,8 +72,13 @@ dia_ruler_draw (GtkWidget *widget,
 
       layout = gtk_widget_create_pango_layout (widget, "012456789");
 
+#if GTK_CHECK_VERSION(3,0,0)
       width = gtk_widget_get_allocated_width (widget);
       height = gtk_widget_get_allocated_height (widget);
+#else
+      width = widget->allocation.width;
+      height = widget->allocation.height;
+#endif
       dx = (ruler->orientation == GTK_ORIENTATION_VERTICAL) ? width/3 : 0;
       dy = (ruler->orientation == GTK_ORIENTATION_HORIZONTAL) ? height/3 : 0;