From 59480066b42b02518102b623842101b716c0b7bb Mon Sep 17 00:00:00 2001
From: Elias Naur <mail@eliasnaur.com>
Date: Sat, 25 Jun 2022 10:13:22 +0100
Subject: [PATCH] app: [Windows] don't assume fullscreen when not
 WS_OVERLAPPEDWINDOW

We're about to remove the WS_OVERLAPPEDWINDOW style for undecorated
windows, in which case the fullscreen assumption will no longer hold.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
---
 app/os_windows.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/os_windows.go b/app/os_windows.go
index 9fceb8f7..78d8fa86 100644
--- a/app/os_windows.go
+++ b/app/os_windows.go
@@ -200,8 +200,10 @@ func (w *window) update() {
 	style := windows.GetWindowLong(w.hwnd, windows.GWL_STYLE)
 	if style&windows.WS_OVERLAPPEDWINDOW == 0 {
 		mode = Fullscreen
-		mi := windows.GetMonitorInfo(w.hwnd).Monitor
-		size = image.Point{X: int(mi.Right - mi.Left), Y: int(mi.Bottom - mi.Top)}
+		size = image.Point{
+			X: int(r.Right - r.Left),
+			Y: int(r.Bottom - r.Top),
+		}
 	} else if p.IsMinimized() {
 		mode = Minimized
 	} else if p.IsMaximized() {