From b74cf37371771c2c5011ccbbf876c7b442110acb Mon Sep 17 00:00:00 2001
From: mattias <nc-gaertnma@netcologne.de>
Date: Tue, 24 Jul 2012 08:44:33 +0000
Subject: [PATCH] THintWindow.CalcHintRect: return empty rect if hint is empty

git-svn-id: trunk@38031 -
---
 lcl/include/hintwindow.inc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lcl/include/hintwindow.inc b/lcl/include/hintwindow.inc
index f6db3e655b..da71b39702 100644
--- a/lcl/include/hintwindow.inc
+++ b/lcl/include/hintwindow.inc
@@ -236,10 +236,14 @@ end;
 function THintWindow.CalcHintRect(MaxWidth: Integer; const AHint: String;
   AData: Pointer): TRect;
 begin
+  if AHint='' then
+  begin
+    Result:=Rect(0,0,0,0);
+    exit;
+  end;
   if MaxWidth <= 0 then
     MaxWidth := Screen.Width - 4 * HintBorderWidth;
   Result := Rect(0, 0, MaxWidth, Screen.Height - 4 * HintBorderWidth);
-  if AHint='' then exit;
   DrawText(Canvas.GetUpdatedHandle([csFontValid]), PChar(AHint), Length(AHint),
            Result, DT_CALCRECT or DT_NOPREFIX or DT_WORDBREAK);
   inc(Result.Right, 4 * HintBorderWidth);