From 254640bfcd86a184c9ca8dd593b6a8ecc11a4ea0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Tue, 17 Apr 2012 13:51:05 +0200
Subject: [PATCH] Remove the tool tip if an empty or NULL string is set.

---
 src/kits/interface/View.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/kits/interface/View.cpp b/src/kits/interface/View.cpp
index a60b482121..b6333c65d4 100644
--- a/src/kits/interface/View.cpp
+++ b/src/kits/interface/View.cpp
@@ -4821,6 +4821,9 @@ BView::SetToolTip(const char* text)
 	HideToolTip();
 	SetToolTip(static_cast<BToolTip*>(NULL));
 
+	if (text == NULL || text[0] == '\0')
+		return;
+
 	if (BTextToolTip* tip = dynamic_cast<BTextToolTip*>(fToolTip))
 		tip->SetText(text);
 	else