[gimp] app: if there is no histogram set in the parent class, draw BG and borders here

[Michael Natterer <mitch src gnome org>]

commit a023665a5d73a02cfeb842fdb9b660777eb71e6e
Author: Michael Natterer <mitch gimp org>
Date:   Mon Feb 15 19:27:19 2010 +0100

    app: if there is no histogram set in the parent class, draw BG and borders here

 app/widgets/gimpcurveview.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/app/widgets/gimpcurveview.c b/app/widgets/gimpcurveview.c
index 0fdb967..b794b85 100644
--- a/app/widgets/gimpcurveview.c
+++ b/app/widgets/gimpcurveview.c
@@ -357,6 +357,24 @@ gimp_curve_view_expose (GtkWidget      *widget,
   width  = allocation.width  - 2 * border - 1;
   height = allocation.height - 2 * border - 1;
 
+  if (! gimp_histogram_view_get_histogram (GIMP_HISTOGRAM_VIEW (view)) &&
+      ! gimp_histogram_view_get_background (GIMP_HISTOGRAM_VIEW (view)))
+    {
+      GdkWindow *window = gtk_widget_get_window (widget);
+
+      gdk_draw_rectangle (window,
+                          style->base_gc[GTK_STATE_NORMAL], TRUE,
+                          0, 0,
+                          allocation.width,
+                          allocation.height);
+
+      /*  Draw the outer border  */
+      gdk_draw_rectangle (window,
+                          style->dark_gc[GTK_STATE_NORMAL], FALSE,
+                          border, border,
+                          width - 1, height - 1);
+    }
+
   cr = gdk_cairo_create (gtk_widget_get_window (widget));
 
   gdk_cairo_region (cr, event->region);