From 81a76cc0fdf569e96697c4cea58debb74d6e5545 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 12 Apr 2012 04:03:14 +0000
Subject: A bit of crash proofiness for insane plugin UIs.

Plugin UI touch confirmed working with suil r4173 and distrho JUCE plugin "TAL Filter II".


git-svn-id: svn://localhost/ardour2/branches/3.0@11935 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/lv2_plugin_ui.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'gtk2_ardour')

diff --git a/gtk2_ardour/lv2_plugin_ui.cc b/gtk2_ardour/lv2_plugin_ui.cc
index 96f2a182b7..5f9f024636 100644
--- a/gtk2_ardour/lv2_plugin_ui.cc
+++ b/gtk2_ardour/lv2_plugin_ui.cc
@@ -86,7 +86,11 @@ LV2PluginUI::touch(void*    controller,
                    uint32_t port_index,
                    bool     grabbed)
 {
-	LV2PluginUI*    me      = (LV2PluginUI*)controller;
+	LV2PluginUI* me = (LV2PluginUI*)controller;
+	if (port_index >= me->_controllables.size()) {
+		return;
+	}
+
 	ControllableRef control = me->_controllables[port_index];
 	if (grabbed) {
 		control->start_touch(control->session().transport_frame());
-- 
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