Fullscreen toggle unreliable? (MacOS)

Haxe version: 4.2.5
Flixel version: 5.6.2
OpenFL version: 9.3.3-L3uoGG
Lime version: 8.1.2
Affected targets: MacOS 14.0 (23A344)

Code snippet reproducing the issue:


import flixel.FlxG;
import flixel.FlxState;

class PlayState extends FlxState
{
    override public function create()
    {
        super.create();
    }

    var fullscreen_cached:Bool = false;

    override public function update(elapsed:Float)
    {
        super.update(elapsed);
        // trace elapsed
        FlxG.watch.addQuick("FlxG.fullscreen", FlxG.fullscreen);
        // FlxG.watch.addQuick("displaystate", stage.displayState);
        if (FlxG.keys.justPressed.F)
        {
            FlxG.fullscreen = !FlxG.fullscreen;
        }
        if (FlxG.keys.justPressed.G)
        {
            FlxG.stage.window.fullscreen = !FlxG.stage.window.fullscreen;
        }
        if (FlxG.keys.justPressed.H)
        {
            fullscreen_cached = !fullscreen_cached;
            FlxG.stage.window.fullscreen = fullscreen_cached;
        }
    }
}

Observed behavior: The game starts windowed mode (either neko or CPP builds have it). Optional: Press F2 to open debug window to see FlxG.fullscreen in the watch panel. 1: Press F to toggle to fullscreen 2: Press F again. Note in the debug window that FlxG.fullscreen is now false, even though the game remains in windowed mode. 3: Press F again. FlxG.fullscreen is now true, and the game remains in fullscreen. 4: Press F again. This time it switches to windowed mode, and in the debugger, FlxG.fullscreen is now negative (you can keep pressing F and the behaviour loops)

Expected behavior: I expect step 2 to bring me back to windowed mode.

Also note, pressing G to assign FlxG.state.window.fullscreen also has errors, but you press it three times to go back to windowed rather than four. Caching the value yourself as in H works. (But doesn't keep track of the user manually maximising the window by pressing the button).

I guess I should see if Lime... has this behaviour as well. Indeed it does, though...slightly different behaviour - https://github.com/openfl/lime/issues/1771

HaxeFlixel / flixel

Fullscreen toggle unreliable? (MacOS) #3089