diff options
Diffstat (limited to 'scene/gui/tree.cpp')
| -rw-r--r-- | scene/gui/tree.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp index 9213296c55..ab12d123ba 100644 --- a/scene/gui/tree.cpp +++ b/scene/gui/tree.cpp @@ -2599,6 +2599,11 @@ void Tree::_gui_input(Ref<InputEvent> p_event) { if (drag_touching) { set_physics_process(true); } + + if (b->get_button_index() == BUTTON_LEFT) { + if (get_item_at_position(b->get_position()) == NULL && !b->get_shift() && !b->get_control() && !b->get_command()) + emit_signal("nothing_selected"); + } } } break; @@ -3043,6 +3048,25 @@ void Tree::set_select_mode(SelectMode p_mode) { select_mode = p_mode; } +void Tree::deselect_all() { + + TreeItem *item = get_next_selected(get_root()); + while (item) { + item->deselect(selected_col); + item = get_next_selected(get_root()); + } + + selected_item = NULL; + selected_col = -1; + + update(); +} + +bool Tree::is_anything_selected() { + + return (selected_item != NULL); +} + void Tree::clear() { if (blocked > 0) { @@ -3750,6 +3774,7 @@ void Tree::_bind_methods() { ADD_SIGNAL(MethodInfo("custom_popup_edited", PropertyInfo(Variant::BOOL, "arrow_clicked"))); ADD_SIGNAL(MethodInfo("item_activated")); ADD_SIGNAL(MethodInfo("column_title_pressed", PropertyInfo(Variant::INT, "column"))); + ADD_SIGNAL(MethodInfo("nothing_selected")); BIND_ENUM_CONSTANT(SELECT_SINGLE); BIND_ENUM_CONSTANT(SELECT_ROW); |