From a52d83b3067cf37f87f479eb78a07f1ae87135dd Mon Sep 17 00:00:00 2001
From: Steve Northover <steve>
Date: Thu, 17 May 2007 17:23:27 +0000
Subject: 187597 - BeginBufferedPaint does not work in RTL and advanced

---
 .../Eclipse SWT/win32/org/eclipse/swt/widgets/Composite.java | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Composite.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Composite.java
index ba8ee341d0..c18e9b20e4 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Composite.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Composite.java	
@@ -1123,8 +1123,16 @@ LRESULT WM_PAINT (int wParam, int lParam) {
 	PAINTSTRUCT ps = new PAINTSTRUCT ();
 	if (hooks (SWT.Paint)) {
 
-		/* Use the buffered paint when available */
-		if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0) && (style & SWT.DOUBLE_BUFFERED) != 0 && (style & SWT.NO_MERGE_PAINTS) == 0) {
+		/* Use the buffered paint when possible */
+		boolean bufferedPaint = false;
+		if ((style & SWT.DOUBLE_BUFFERED) != 0) {
+			if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0)) {
+				if ((style & (SWT.NO_MERGE_PAINTS | SWT.RIGHT_TO_LEFT)) == 0) {
+					bufferedPaint = true;
+				}
+			}
+		}
+		if (bufferedPaint) {
 			int hDC = OS.BeginPaint (handle, ps);
 			int width = ps.right - ps.left;
 			int height = ps.bottom - ps.top;
-- 
cgit