Input Widget - left click = focus() only, disable all other mouse events

BizHawk.MultiClient/config/InputWidget.cs

@@ -190,6 +190,40 @@ namespace BizHawk.MultiClient
 			e.Handled = true;
 		}
 
+		protected override void WndProc(ref Message m)
+		{
+			switch (m.Msg)
+			{
+				case 0x0201: //WM_LBUTTONDOWN
+				{
+					this.Focus();
+					return;
+				}
+				//case 0x0202://WM_LBUTTONUP
+				//{
+				//	return;
+				//}
+				case 0x0203://WM_LBUTTONDBLCLK
+				{
+					return;
+				}
+				case 0x0204://WM_RBUTTONDOWN
+				{
+					return;
+				}
+				case 0x0205://WM_RBUTTONUP
+				{
+					return;
+				}
+				case 0x0206://WM_RBUTTONDBLCLK
+				{
+					return;
+				}
+			}
+
+			base.WndProc(ref m);
+		}  
+
 		protected override void OnGotFocus(EventArgs e)
 		{
 			//base.OnGotFocus(e);