From 89eea0921db94fddbd1b8c20102be9350e2ec1c3 Mon Sep 17 00:00:00 2001
From: nikitar020 <42252263+nikitar020@users.noreply.github.com>
Date: Fri, 11 Jan 2019 01:58:30 +0700
Subject: [PATCH] Bug: mouse cursors leaks (#136)

---
 gui/gui.go   |  2 ++
 gui/mouse.go | 20 ++++++++++++++++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/gui/gui.go b/gui/gui.go
index 9debe84..995dded 100644
--- a/gui/gui.go
+++ b/gui/gui.go
@@ -36,6 +36,8 @@ type GUI struct {
 	showDebugInfo     bool
 	keyboardShortcuts map[config.UserAction]*config.KeyCombination
 	resizeLock        *sync.Mutex
+	handCursor        *glfw.Cursor
+	arrowCursor       *glfw.Cursor
 }
 
 func Min(x, y int) int {
diff --git a/gui/mouse.go b/gui/mouse.go
index 4996781..dcd4e1b 100644
--- a/gui/mouse.go
+++ b/gui/mouse.go
@@ -17,6 +17,22 @@ func (gui *GUI) glfwScrollCallback(w *glfw.Window, xoff float64, yoff float64) {
 	}
 }
 
+func (gui *GUI) getHandCursor() *glfw.Cursor {
+	if gui.handCursor == nil {
+		gui.handCursor = glfw.CreateStandardCursor(glfw.HandCursor)
+	}
+
+	return gui.handCursor
+}
+
+func (gui  *GUI) getArrowCursor() *glfw.Cursor {
+	if gui.arrowCursor == nil {
+		gui.arrowCursor = glfw.CreateStandardCursor(glfw.ArrowCursor)
+	}
+
+	return gui.arrowCursor
+}
+
 func (gui *GUI) mouseMoveCallback(w *glfw.Window, px float64, py float64) {
 
 	scale := gui.scale()
@@ -40,9 +56,9 @@ func (gui *GUI) mouseMoveCallback(w *glfw.Window, px float64, py float64) {
 	}
 
 	if url := gui.terminal.ActiveBuffer().GetURLAtPosition(x, y); url != "" {
-		w.SetCursor(glfw.CreateStandardCursor(glfw.HandCursor))
+		w.SetCursor(gui.getHandCursor())
 	} else {
-		w.SetCursor(glfw.CreateStandardCursor(glfw.ArrowCursor))
+		w.SetCursor(gui.getArrowCursor())
 	}
 }