Fix crash.

Fix crash when click [Preferences]-[Behavior]-[Additional Buttons]-([Edit] or [Remove]) without selecting a button.
thjaeger · Apr 11, 2016 · cdf1d1a · cdf1d1a
1 parent 72eaf61
commit cdf1d1a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/prefs.cc b/prefs.cc
@@ -426,6 +426,8 @@ void Prefs::on_edit_extra() {
 	etv->get_cursor(path, col);
 	if (!path.gobj())
 		return;
+	if (path.empty())
+		return;
 	Gtk::TreeIter iter = *etm->get_iter(path);
 	std::vector<ButtonInfo>::iterator i = (*iter)[ecs.i];
 	SelectButton sb(*i, true, true);
@@ -448,6 +450,8 @@ void Prefs::on_remove_extra() {
 	etv->get_cursor(path, col);
 	if (!path.gobj())
 		return;
+	if (path.empty())
+		return;
 	Gtk::TreeIter iter = *etm->get_iter(path);
 	Atomic a;
 	std::vector<ButtonInfo>::iterator i = (*iter)[ecs.i];