From b710ff17c8ed9cd72dc066528988ad3c75aedb3e Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Fri, 15 Sep 2023 03:19:33 +0900
Subject: [PATCH] internal/ui: bug fix: wait for a while after exiting
 fullscreen on macOS

Closes #2758
---
 internal/ui/ui_glfw.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/internal/ui/ui_glfw.go b/internal/ui/ui_glfw.go
index 600df71d9..570b94530 100644
--- a/internal/ui/ui_glfw.go
+++ b/internal/ui/ui_glfw.go
@@ -367,6 +367,14 @@ func (u *userInterfaceImpl) setWindowMonitor(monitor int) {
 	// This is copied from setFullscreen. They should probably use a shared function.
 	if fullscreen {
 		u.setFullscreen(false)
+		// Just after exiting fullscreen, the window state seems very unstable (#2758).
+		// Wait for a while with polling events.
+		if runtime.GOOS == "darwin" {
+			for i := 0; i < 60; i++ {
+				glfw.PollEvents()
+				time.Sleep(time.Second / 60)
+			}
+		}
 	}
 
 	x, y := m.GetPos()