From f73ce2d47f60e050cb633a2d260ecfcc2a9ef74c Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 28 Jun 2017 18:42:10 +0200
Subject: [PATCH] Reset idle_handler_id (fixes idle zoom -- bug in 265f52535a7)

If pending_visual_change.pending was zero when calling idle_visual_changer
the handler_id was never reset. and the idle-handler was never called
again.
---
 gtk2_ardour/editor.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index 9095152f77..9750f58e9d 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -4596,6 +4596,8 @@ Editor::pre_render ()
 int
 Editor::idle_visual_changer ()
 {
+	pending_visual_change.idle_handler_id = -1;
+
 	if (pending_visual_change.pending == 0) {
 		return 0;
 	}
@@ -4610,8 +4612,6 @@ Editor::idle_visual_changer ()
 	   the last one.
 	*/
 
-	pending_visual_change.idle_handler_id = -1;
-
 	if (visual_change_queued) {
 		return 0;
 	}