Qt: Reload widgets using prefs when reloading Lua plugins

Widgets using prefs must be closed because the prefs may have
been free'd when reloading Lua plugins.

Change-Id: I4b79b7aff18d7923c77a9eb05acadc29b156edbf
Reviewed-on: https://code.wireshark.org/review/10108
Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/ui/qt/proto_tree.cpp b/ui/qt/proto_tree.cpp
index cad994d046..8e84ee288f 100644
--- a/ui/qt/proto_tree.cpp
+++ b/ui/qt/proto_tree.cpp
@@ -274,6 +274,11 @@ ProtoTree::ProtoTree(QWidget *parent) :
             this, SIGNAL(editProtocolPreference(preference*,pref_module*)));
 }
 
+void ProtoTree::closeContextMenu()
+{
+    ctx_menu_.close();
+}
+
 void ProtoTree::clear() {
     updateSelectionStatus(NULL);
     QTreeWidget::clear();