From b4a4b87b56955153c7477b5f4a0538e37ddd77be Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Wed, 10 Oct 2018 03:10:16 +0900
Subject: [PATCH] ui: Bug fix: ScreenSizeInFullscreen returned wrong scaled
 values

Fixes #708
---
 internal/ui/ui_glfw.go | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/internal/ui/ui_glfw.go b/internal/ui/ui_glfw.go
index c34bd40a2..ccd531608 100644
--- a/internal/ui/ui_glfw.go
+++ b/internal/ui/ui_glfw.go
@@ -233,16 +233,20 @@ func (u *userInterface) runOnMainThread(f func() error) error {
 }
 
 func ScreenSizeInFullscreen() (int, int) {
+	u := currentUI
 	var v *glfw.VidMode
-	if currentUI.isRunning() {
-		_ = currentUI.runOnMainThread(func() error {
-			v = currentUI.currentMonitor().GetVideoMode()
+	s := 0.0
+	if u.isRunning() {
+		_ = u.runOnMainThread(func() error {
+			v = u.currentMonitor().GetVideoMode()
+			s = glfwScale()
 			return nil
 		})
 	} else {
 		v = currentUI.currentMonitor().GetVideoMode()
+		s = glfwScale()
 	}
-	return v.Width, v.Height
+	return int(float64(v.Width) / s), int(float64(v.Height) / s)
 }
 
 func SetScreenSize(width, height int) bool {