From 9264e383246d024eb7f290eb1e4e1ad163d824b1 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Mon, 8 Oct 2018 01:42:43 +0900
Subject: [PATCH] ui: Add comments

---
 internal/ui/ui_windows.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/internal/ui/ui_windows.go b/internal/ui/ui_windows.go
index 474786a85..37dce5f87 100644
--- a/internal/ui/ui_windows.go
+++ b/internal/ui/ui_windows.go
@@ -119,9 +119,13 @@ func currentMonitor() *glfw.Monitor {
 	}
 	if w == 0 {
 		// There is no window at launching.
+		// TODO: Use glfw.GetCurrentContext() like currentMonitor() in ui_unix.go.
 		return glfw.GetPrimaryMonitor()
 	}
 
+	// Get the current monitor by the window handle instead of the window position. It is because the window
+	// position is not relaiable in some cases e.g. when the window is put across multiple monitors.
+
 	m, err := monitorFromWindow(w, monitorDefaultToNearest)
 	if err != nil {
 		panic(err)