commit b4b98c5d57d5608178dfc63a6e56911d22fcfb24
Author:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Thu Mar 28 18:20:38 2024 +0100
Commit:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
CommitDate: Thu Mar 28 18:20:38 2024 +0100

    macOS: Avoid possible crash in makeMainWindow when another win is modal

 src/Fl_cocoa.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git src/Fl_cocoa.mm src/Fl_cocoa.mm
index 718d047..3829188 100644
--- src/Fl_cocoa.mm
+++ src/Fl_cocoa.mm
@@ -4544,7 +4544,7 @@ int Fl_Cocoa_Window_Driver::decorated_h()
 void Fl_Cocoa_Window_Driver::draw_titlebar_to_context(CGContextRef gc, int w, int h)
 {
   FLWindow *nswin = fl_xid(pWindow);
-  [nswin makeMainWindow];
+  if ([nswin canBecomeMainWindow]) [nswin makeMainWindow];
   [NSApp nextEventMatchingMask:NSEventMaskAny untilDate:nil inMode:NSDefaultRunLoopMode dequeue:NO];
   CGImageRef img;
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5