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Delay emitting pressed signals in PopupMenu 

When processing items we may actually delete the item we're processing
in the callback for the signal. To avoid this, call the signal after
we're done processing the items. But before hiding the popupmenu itself.

Thanks to @reduz for writing the whole solution.

This fixes #19842
This commit is contained in:
Hein-Pieter van Braam 2018-08-16 21:44:18 +02:00
parent 968b31e971
commit fa7eac8a0d
1 changed files with 11 additions and 7 deletions
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16
scene/gui/popup_menu.cpp
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@ -1071,22 +1071,26 @@ void PopupMenu::activate_item(int p_item) {
pop = Object::cast_to<PopupMenu>(next); pop = Object::cast_to<PopupMenu>(next);
} }
emit_signal("id_pressed", id);
emit_signal("index_pressed", p_item);
// Hides popup by default; unless otherwise specified // Hides popup by default; unless otherwise specified
// by using set_hide_on_item_selection and set_hide_on_checkable_item_selection // by using set_hide_on_item_selection and set_hide_on_checkable_item_selection
bool need_hide = true;
if (items[p_item].checkable_type) { if (items[p_item].checkable_type) {
if (!hide_on_checkable_item_selection) if (!hide_on_checkable_item_selection)
return; need_hide = false;
} else if (0 < items[p_item].max_states) { } else if (0 < items[p_item].max_states) {
if (!hide_on_multistate_item_selection) if (!hide_on_multistate_item_selection)
return; need_hide = false;
} else if (!hide_on_item_selection) } else if (!hide_on_item_selection)
return; need_hide = false;
emit_signal("id_pressed", id);
emit_signal("index_pressed", p_item);
if (need_hide) {
hide(); hide();
}
} }
void PopupMenu::remove_item(int p_idx) { void PopupMenu::remove_item(int p_idx) {