From 2715d87179e1452a524f9820b9d3efe675060d5c Mon Sep 17 00:00:00 2001
From: Souryo <mesenemu@gmail.com>
Date: Sat, 6 Feb 2016 18:44:52 -0500
Subject: [PATCH] UI: Hide mouse cursor after 3 seconds if user doesn't move
 mouse

---
 GUI.NET/Controls/ctrlRenderer.Designer.cs | 10 +++++++++
 GUI.NET/Controls/ctrlRenderer.cs          | 25 +++++++++++++++++++++++
 GUI.NET/Controls/ctrlRenderer.resx        |  3 +++
 3 files changed, 38 insertions(+)

diff --git a/GUI.NET/Controls/ctrlRenderer.Designer.cs b/GUI.NET/Controls/ctrlRenderer.Designer.cs
index e5ec44ca..29d5718a 100644
--- a/GUI.NET/Controls/ctrlRenderer.Designer.cs
+++ b/GUI.NET/Controls/ctrlRenderer.Designer.cs
@@ -27,14 +27,22 @@
 		/// </summary>
 		private void InitializeComponent()
 		{
+			this.components = new System.ComponentModel.Container();
+			this.tmrMouse = new System.Windows.Forms.Timer(this.components);
 			this.SuspendLayout();
 			// 
+			// tmrMouse
+			// 
+			this.tmrMouse.Interval = 3000;
+			this.tmrMouse.Tick += new System.EventHandler(this.tmrMouse_Tick);
+			// 
 			// ctrlRenderer
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
 			this.Name = "ctrlRenderer";
 			this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.ctrlRenderer_MouseDown);
+			this.MouseLeave += new System.EventHandler(this.ctrlRenderer_MouseLeave);
 			this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.ctrlRenderer_MouseMove);
 			this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.ctrlRenderer_MouseUp);
 			this.ResumeLayout(false);
@@ -42,5 +50,7 @@
 		}
 
 		#endregion
+
+		private System.Windows.Forms.Timer tmrMouse;
 	}
 }
diff --git a/GUI.NET/Controls/ctrlRenderer.cs b/GUI.NET/Controls/ctrlRenderer.cs
index 18b75e66..4864832a 100644
--- a/GUI.NET/Controls/ctrlRenderer.cs
+++ b/GUI.NET/Controls/ctrlRenderer.cs
@@ -14,6 +14,7 @@ namespace Mesen.GUI.Controls
 	public partial class ctrlRenderer : UserControl
 	{
 		private bool _rightButtonDown = false;
+		private bool _cursorHidden = false;
 
 		public ctrlRenderer()
 		{
@@ -32,10 +33,19 @@ namespace Mesen.GUI.Controls
 
 		private void ctrlRenderer_MouseMove(object sender, MouseEventArgs e)
 		{
+			if(_cursorHidden) {
+				Cursor.Show();
+				_cursorHidden = false;
+			}
+			tmrMouse.Stop();
+
 			if(InteropEmu.HasZapper()) {
 				this.Cursor = Cursors.Cross;
 			} else {
 				this.Cursor = Cursors.Default;
+
+				//Only hide mouse if no zapper (otherwise this could be pretty annoying)
+				tmrMouse.Start();
 			}
 
 			if(_rightButtonDown) {
@@ -58,5 +68,20 @@ namespace Mesen.GUI.Controls
 				_rightButtonDown = false;
 			}
 		}
+
+		private void tmrMouse_Tick(object sender, EventArgs e)
+		{
+			_cursorHidden = true;
+			Cursor.Hide();
+		}
+
+		private void ctrlRenderer_MouseLeave(object sender, EventArgs e)
+		{
+			tmrMouse.Stop();
+			if(_cursorHidden) {
+				_cursorHidden = false;
+				Cursor.Show();
+			}
+		}
 	}
 }
diff --git a/GUI.NET/Controls/ctrlRenderer.resx b/GUI.NET/Controls/ctrlRenderer.resx
index 1af7de15..765789c8 100644
--- a/GUI.NET/Controls/ctrlRenderer.resx
+++ b/GUI.NET/Controls/ctrlRenderer.resx
@@ -117,4 +117,7 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <metadata name="tmrMouse.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
 </root>
\ No newline at end of file