From: jsimomaa <jani.simomaa@gmail.com>
Date: Tue, 18 Dec 2018 13:10:14 +0000 (+0200)
Subject: Disable flickering in ColorSelectionDialog
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=c85e6110bc4411dda0510afd50bad879353ab69c;p=simantics%2Fplatform.git

Disable flickering in ColorSelectionDialog

gitlab #238

Change-Id: Ib21e8b4eb569172f96db1b463297abe12d3d061c
(cherry picked from commit a8891c8747dbfa75a4a3811ced1772c607ab5bdf)
---

diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorGradientCanvas.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorGradientCanvas.java
index 11ba7642b..c3506f8bb 100644
--- a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorGradientCanvas.java
+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorGradientCanvas.java
@@ -33,7 +33,7 @@ public class ColorGradientCanvas extends Canvas{
 	int style;
 	
 	public ColorGradientCanvas(Composite parent, int style) {
-		super(parent,(style|SWT.BORDER)&(~(SWT.VERTICAL|SWT.HORIZONTAL)));
+		super(parent,(style|SWT.BORDER)&(~(SWT.VERTICAL|SWT.HORIZONTAL))|SWT.DOUBLE_BUFFERED);
 		this.style = style & (SWT.VERTICAL | SWT.HORIZONTAL) ;
 		addPaintListener(createPaintListener());
 	}