From 0e2aefcd2aa93b4da58c87692d999252e141f17b Mon Sep 17 00:00:00 2001
From: Nathan Lee <2431820-nathanal@users.noreply.gitlab.com>
Date: Tue, 2 Apr 2019 16:45:11 +1100
Subject: Avoid crash from nullptr exception

Adds exception handling for HiddenParam::param_newWidget()
which always returns a nullptr.

Fixes https://gitlab.com/inkscape/inkscape/issues/167
---
 src/live_effects/effect.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'src/live_effects/effect.cpp')

diff --git a/src/live_effects/effect.cpp b/src/live_effects/effect.cpp
index 0c027a57f..07081286a 100644
--- a/src/live_effects/effect.cpp
+++ b/src/live_effects/effect.cpp
@@ -1488,13 +1488,13 @@ Effect::newWidget()
         if ((*it)->widget_is_visible) {
             Parameter * param = *it;
             Gtk::Widget * widg = param->param_newWidget();
-            if (param->widget_is_enabled) {
-                widg->set_sensitive(true);
-            } else {
-                widg->set_sensitive(false);
-            }
             Glib::ustring * tip = param->param_getTooltip();
             if (widg) {
+                if (param->widget_is_enabled) {
+                    widg->set_sensitive(true);
+                } else {
+                    widg->set_sensitive(false);
+                }
                 vbox->pack_start(*widg, true, true, 2);
                 if (tip) {
                     widg->set_tooltip_text(*tip);
-- 
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