From 5156431137c00d526b9ddafab694db9a05a9f7fe Mon Sep 17 00:00:00 2001
From: Fabien Costantini <fabien@onepost.net>
Date: Wed, 27 Aug 2008 18:12:28 +0000
Subject: STR #1972 fix :check validity of icrsr before updating cursor state.
 Fixes crashes when setting up Fl_Wizard pane dynamically before show() is
 called.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6173 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/fl_cursor.cxx | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/fl_cursor.cxx b/src/fl_cursor.cxx
index fb0d33b3e..6126ab3f3 100644
--- a/src/fl_cursor.cxx
+++ b/src/fl_cursor.cxx
@@ -230,9 +230,11 @@ void Fl_Window::cursor(Fl_Cursor c, Fl_Color, Fl_Color) {
   case FL_CURSOR_DEFAULT:
   default: break;
   }
-  SetCursor( *icrsr );
-  if (i) {
-    i->cursor = icrsr;
+  if (icrsr) { // make sure we have a non null icrsr before updating cursor state
+    SetCursor( *icrsr );
+    if (i) {
+      i->cursor = icrsr;
+    }
   }
 }
 
-- 
cgit v1.2.3