[gtk+/rendering-cleanup-next: 136/153] testgtk: Use draw signal in scrolling test

[Benjamin Otte <otte src gnome org>]

commit 68c875806ef9cfe16322195e7be9b33de8ee7d8a
Author: Benjamin Otte <otte redhat com>
Date:   Thu Sep 9 03:33:02 2010 +0200

    testgtk: Use draw signal in scrolling test

 tests/testgtk.c |   32 +++++++++++++-------------------
 1 files changed, 13 insertions(+), 19 deletions(-)
---
diff --git a/tests/testgtk.c b/tests/testgtk.c
index d4d4c84..18ea550 100644
--- a/tests/testgtk.c
+++ b/tests/testgtk.c
@@ -9085,27 +9085,23 @@ create_selection_test (GtkWidget *widget)
 static int scroll_test_pos = 0.0;
 
 static gint
-scroll_test_expose (GtkWidget *widget, GdkEventExpose *event,
-		    GtkAdjustment *adj)
+scroll_test_draw (GtkWidget     *widget,
+                  cairo_t       *cr,
+                  int            width,
+                  int            height,
+                  GtkAdjustment *adj)
 {
-  GdkWindow *window;
   gint i,j;
   gint imin, imax, jmin, jmax;
-  cairo_t *cr;
+  GdkRectangle clip;
   
-  imin = (event->area.x) / 10;
-  imax = (event->area.x + event->area.width + 9) / 10;
+  gdk_cairo_get_clip_rectangle (cr, &clip);
 
-  jmin = ((int)adj->value + event->area.y) / 10;
-  jmax = ((int)adj->value + event->area.y + event->area.height + 9) / 10;
+  imin = (clip.x) / 10;
+  imax = (clip.x + clip.width + 9) / 10;
 
-  window = gtk_widget_get_window (widget);
-
-  gdk_window_clear_area (window,
-			 event->area.x, event->area.y,
-			 event->area.width, event->area.height);
-
-  cr = gdk_cairo_create (window);
+  jmin = ((int)adj->value + clip.y) / 10;
+  jmax = ((int)adj->value + clip.y + clip.height + 9) / 10;
 
   for (i=imin; i<imax; i++)
     for (j=jmin; j<jmax; j++)
@@ -9114,8 +9110,6 @@ scroll_test_expose (GtkWidget *widget, GdkEventExpose *event,
 
   cairo_fill (cr);
 
-  cairo_destroy (cr);
-
   return TRUE;
 }
 
@@ -9211,8 +9205,8 @@ create_scroll_test (GtkWidget *widget)
       gtk_box_pack_start (GTK_BOX (hbox), scrollbar, FALSE, FALSE, 0);
       gtk_widget_show (scrollbar);
 
-      g_signal_connect (drawing_area, "expose_event",
-			G_CALLBACK (scroll_test_expose), adj);
+      g_signal_connect (drawing_area, "draw",
+			G_CALLBACK (scroll_test_draw), adj);
       g_signal_connect (drawing_area, "configure_event",
 			G_CALLBACK (scroll_test_configure), adj);
       g_signal_connect (drawing_area, "scroll_event",