From 8f23f4b44e043c6a7f69e96369e6c26fe9fd205b Mon Sep 17 00:00:00 2001
From: Alexander Holland <alexander.holland@live.de>
Date: Thu, 14 Feb 2019 00:52:51 +0100
Subject: UndoRedo add version changed signal

added some functions to manage undo buttons
---
 doc/classes/UndoRedo.xml | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'doc/classes')

diff --git a/doc/classes/UndoRedo.xml b/doc/classes/UndoRedo.xml
index c0b73cd8e3..b6e458b43f 100644
--- a/doc/classes/UndoRedo.xml
+++ b/doc/classes/UndoRedo.xml
@@ -141,6 +141,20 @@
 				This is useful mostly to check if something changed from a saved version.
 			</description>
 		</method>
+		<method name="has_redo">
+			<return type="bool">
+			</return>
+			<description>
+				Returns [code]true[/code] if an 'redo' action is available.
+			</description>
+		</method>
+		<method name="has_undo">
+			<return type="bool">
+			</return>
+			<description>
+				Returns [code]true[/code] if an 'undo' action is available.
+			</description>
+		</method>
 		<method name="is_commiting_action" qualifiers="const">
 			<return type="bool">
 			</return>
@@ -162,6 +176,13 @@
 			</description>
 		</method>
 	</methods>
+	<signals>
+		<signal name="version_changed">
+			<description>
+				Called when [method undo] or [method redo] was called.
+			</description>
+		</signal>
+	</signals>
 	<constants>
 		<constant name="MERGE_DISABLE" value="0" enum="MergeMode">
 			Makes [code]do[/code]/[code]undo[/code] operations stay in separate actions.
-- 
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