From 9ae73f7bb53e7e4052cf99371f850e9ee001fad6 Mon Sep 17 00:00:00 2001
From: Hugo Locurcio <hugo.locurcio@hugo.pro>
Date: Mon, 30 Dec 2019 15:28:24 +0100
Subject: Document how to distinguish emulated mouse events from physical ones

Mouse events emulated from a touchscreen will always have a device ID
of -1.
---
 doc/classes/InputEvent.xml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/classes/InputEvent.xml b/doc/classes/InputEvent.xml
index d412ce09e2..ccb5c5400a 100644
--- a/doc/classes/InputEvent.xml
+++ b/doc/classes/InputEvent.xml
@@ -111,6 +111,7 @@
 	<members>
 		<member name="device" type="int" setter="set_device" getter="get_device" default="0">
 			The event's device ID.
+			[b]Note:[/b] This device ID will always be [code]-1[/code] for emulated mouse input from a touchscreen. This can be used to distinguish emulated mouse input from physical mouse input.
 		</member>
 	</members>
 	<constants>
-- 
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