From 6e922b8005a880433851747c43fa608ddfb753bf Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Thu, 30 Jan 2025 11:14:17 +0100
Subject: macOS: Fix "Full screen broken on macOS in FLTK 1.3.10 (regression)"
 (#1192)

FLTK now supports 2 types of fullscreen modes under macOS:
1) normal macOS fullscreen mode where the menubar and titlebar appear when mouse is moved to top of screen
and the window covers one screen only;
2) multiple-screen mode that requires calling Fl_Window::fullscreen_screens() before.

This commit fixes all possible transitions between these fullscreen modes and normal window mode.
---
 src/Fl_Window_Driver.H | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/Fl_Window_Driver.H')

diff --git a/src/Fl_Window_Driver.H b/src/Fl_Window_Driver.H
index cec60a2da..865c57af9 100644
--- a/src/Fl_Window_Driver.H
+++ b/src/Fl_Window_Driver.H
@@ -2,7 +2,7 @@
 // A base class for platform specific window handling code
 // for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 2010-2024 by Bill Spitzak and others.
+// Copyright 2010-2025 by Bill Spitzak and others.
 //
 // This library is free software. Distribution and use rights are outlined in
 // the file "COPYING" which should have been included with this file.  If this
@@ -152,6 +152,7 @@ public:
   virtual void unmap() {}
   virtual void fullscreen_on() {}
   virtual void fullscreen_off(int /*X*/, int /*Y*/, int /*W*/, int /*H*/) {}
+  virtual void fullscreen_screens(bool /*on_off*/) {}
   virtual void maximize();
   virtual void un_maximize();
   virtual bool maximize_needs_hide() { return false; }
-- 
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