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Fix crash when click an empty tabs container

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This commit is contained in:
sanikoyes 2017-10-30 20:20:51 +08:00
parent 62a3dcdc72
commit b3f5d119aa
1 changed files with 7 additions and 0 deletions
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7
scene/gui/tab_container.cpp
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@ -90,6 +90,10 @@ void TabContainer::_gui_input(const Ref<InputEvent> &p_event) {
return;
}
// Do not activate tabs when tabs is empty
if (get_tab_count() == 0)
return;
Vector<Control *> tabs = _get_tabs();
// Handle navigation buttons.
@ -298,6 +302,8 @@ void TabContainer::_notification(int p_what) {
}
int TabContainer::_get_tab_width(int p_index) const {
ERR_FAIL_INDEX_V(p_index, get_tab_count(), 0);
Control *control = Object::cast_to<Control>(_get_tabs()[p_index]);
if (!control || control->is_set_as_toplevel())
return 0;
@ -669,6 +675,7 @@ void TabContainer::_bind_methods() {
TabContainer::TabContainer() {
first_tab_cache = 0;
last_tab_cache = 0;
buttons_visible_cache = false;
tabs_ofs_cache = 0;
current = 0;