From 7ae0c170ad2f63ac7e27d0496cd9c167e2bd0cbd Mon Sep 17 00:00:00 2001
From: Albrecht Schlosser <albrechts.fltk@online.de>
Date: Sat, 20 Feb 2010 17:40:07 +0000
Subject: Added Fl_Widget_Tracker in handle() methods etc. to avoid accessing
 widgets after deletion (STR #1306). This is all I could find, but maybe there
 are more places in the code.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7115 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Dial.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/Fl_Dial.cxx')

diff --git a/src/Fl_Dial.cxx b/src/Fl_Dial.cxx
index f91b55df9..fed278ca3 100644
--- a/src/Fl_Dial.cxx
+++ b/src/Fl_Dial.cxx
@@ -109,8 +109,10 @@ void Fl_Dial::draw() {
 */
 int Fl_Dial::handle(int event, int X, int Y, int W, int H) {
   switch (event) {
-  case FL_PUSH:
+  case FL_PUSH: {
+    Fl_Widget_Tracker wp(this);  
     handle_push();
+    if (wp.deleted()) return 1; }
   case FL_DRAG: {
     int mx = (Fl::event_x()-X-W/2)*H;
     int my = (Fl::event_y()-Y-H/2)*W;
-- 
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