From 56e63baf5a3db1c5b420b35ffe0ce5588818cb61 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 13 Nov 2021 10:20:57 +0530
Subject: [PATCH] macOS: manually trigger windowDidResize when fullscreening

Fixes #4230
Fixes #4229
---
 glfw/cocoa_window.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/glfw/cocoa_window.m b/glfw/cocoa_window.m
index 52a5ac634..c46b313ee 100644
--- a/glfw/cocoa_window.m
+++ b/glfw/cocoa_window.m
@@ -2476,6 +2476,10 @@ bool _glfwPlatformToggleFullscreen(_GLFWwindow* w, unsigned int flags) {
             }
             [window setStyleMask: sm];
         }
+        // If the dock and menubar are hidden going from maximized to fullscreen doesnt change the window size
+        // and macOS forgets to trigger windowDidResize, so call it ourselves
+        NSNotification *notification = [NSNotification notificationWithName:NSWindowDidResizeNotification object:window];
+        [w->ns.delegate performSelector:@selector(windowDidResize:) withObject:notification afterDelay:0];
     } else {
         bool in_fullscreen = sm & NSWindowStyleMaskFullScreen;
         if (in_fullscreen) made_fullscreen = false;