From d0fa0516f5ffd9496b974b44e59e1955858f6d0c Mon Sep 17 00:00:00 2001
From: pagedown <pg.dn@outlook.com>
Date: Sun, 12 Dec 2021 23:25:53 +0800
Subject: [PATCH] macOS: Fix keyboard input not working after toggling full
 screen

---
 glfw/cocoa_window.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/glfw/cocoa_window.m b/glfw/cocoa_window.m
index 39df56c2c..13e8d1f9e 100644
--- a/glfw/cocoa_window.m
+++ b/glfw/cocoa_window.m
@@ -1644,6 +1644,9 @@ void _glfwPlatformUpdateIMEState(_GLFWwindow *w, const GLFWIMEUpdateEvent *ev) {
     [self setResizeIncrements:NSMakeSize(1.0, 1.0)];
     [super toggleFullScreen:sender];
     [self setResizeIncrements:original];
+    // When the window decoration is hidden, toggling fullscreen causes the style mask to be changed,
+    // and causes the first responder to be cleared.
+    if (glfw_window && !glfw_window->decorated && glfw_window->ns.view) [self makeFirstResponder:glfw_window->ns.view];
 }
 
 @end