diff options
Diffstat (limited to 'scene/gui/line_edit.cpp')
| -rw-r--r-- | scene/gui/line_edit.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/scene/gui/line_edit.cpp b/scene/gui/line_edit.cpp index 2b3be1d5c2..11e08b231e 100644 --- a/scene/gui/line_edit.cpp +++ b/scene/gui/line_edit.cpp @@ -946,6 +946,17 @@ void LineEdit::paste_text() { } } +bool LineEdit::has_undo() const { + if (undo_stack_pos == nullptr) { + return undo_stack.size() > 1; + } + return undo_stack_pos != undo_stack.front(); +} + +bool LineEdit::has_redo() const { + return undo_stack_pos != nullptr && undo_stack_pos != undo_stack.back(); +} + void LineEdit::undo() { if (!editable) { return; @@ -2277,6 +2288,11 @@ void LineEdit::_ensure_menu() { menu_dir->set_item_checked(menu_dir->get_item_index(MENU_DIR_AUTO), text_direction == TEXT_DIRECTION_AUTO); menu_dir->set_item_checked(menu_dir->get_item_index(MENU_DIR_LTR), text_direction == TEXT_DIRECTION_LTR); menu_dir->set_item_checked(menu_dir->get_item_index(MENU_DIR_RTL), text_direction == TEXT_DIRECTION_RTL); + + if (editable) { + menu->set_item_disabled(menu->get_item_index(MENU_UNDO), !has_undo()); + menu->set_item_disabled(menu->get_item_index(MENU_REDO), !has_redo()); + } } LineEdit::LineEdit() { |