Before deleting a window, it's better to check whether it contains the currently focused NSView,

and unlock focus there.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9026 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 5 insertions, 1 deletions

diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index 8c69d4631..f7cdab7aa 100644
--- a/src/Fl_cocoa.mm
+++ b/src/Fl_cocoa.mm
@@ -2625,7 +2625,11 @@ void Fl_X::relink(Fl_Window *w, Fl_Window *wp) {
 void Fl_X::destroy() {
   // subwindows share their xid with their parent window, so should not close it
   if (!subwindow && w && !w->parent() && xid) {
-    [[(NSWindow *)xid contentView] release];
+    NSView *topview = [(NSWindow *)xid contentView]; 
+    if ( [NSView focusView] == topview ) {
+      [topview unlockFocus];
+    }
+    [topview release];
     [(NSWindow *)xid close];
   }
 }