Bug 392700 - Bad scrolling in editor (N20121022-1000)

1 files changed, 1 insertions, 10 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Canvas.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Canvas.java
index 8b8cb099a4..184bcf548c 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Canvas.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Canvas.java
@@ -12,7 +12,6 @@ package org.eclipse.swt.widgets;
 
 
 import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.internal.cairo.Cairo;
 import org.eclipse.swt.internal.gtk.*;
 import org.eclipse.swt.*;
 
@@ -287,16 +286,8 @@ public void scroll (int destX, int destY, int x, int y, int width, int height, b
 		redrawWidget (x, y, width, height, false, false, false);
 		redrawWidget (destX, destY, width, height, false, false, false);
 	} else {
-//		GC gc = new GC (this);
-//		gc.copyArea (x, y, width, height, destX, destY);
-//		gc.dispose ();
 		if (OS.GTK3) {
-			OS.gdk_window_invalidate_rect (window, copyRect, true);
-			long /*int*/ cairo = OS.gdk_cairo_create (window);
-			OS.gdk_cairo_set_source_window (cairo, window, 0, 0);
-			Cairo.cairo_rectangle (cairo, copyRect.x + deltaX, copyRect.y + deltaY, copyRect.width, copyRect.height);
-			Cairo.cairo_fill (cairo);
-			Cairo.cairo_destroy (cairo);
+			OS.gdk_window_scroll (window, deltaX, deltaY);
 		} else {
 			long /*int*/ gdkGC = OS.gdk_gc_new (window);
 			OS.gdk_gc_set_exposures (gdkGC, true);