/**
* @brief Slot called when the current tab changes.
* @param index Index of the new current tab.
*/
void EditorTabs::current_editor_changed(int /* index */) {
Editor* editor = get_editor();
if (editor == nullptr) {
get_undo_group().setActiveStack(nullptr);
emit can_cut_changed(false);
emit can_copy_changed(false);
emit can_paste_changed(false);
}
else {
get_undo_group().setActiveStack(&editor->get_undo_stack());
connect(editor, &Editor::can_cut_changed, [=](bool can_cut) {
if (get_editor() == editor) {
emit can_cut_changed(can_cut);
}
});
connect(editor, &Editor::can_copy_changed, [=](bool can_copy) {
if (get_editor() == editor) {
emit can_copy_changed(can_copy);
}
});
connect(editor, &Editor::can_paste_changed, [=](bool can_paste) {
if (get_editor() == editor) {
emit can_paste_changed(can_paste);
}
});
emit can_cut_changed(editor->can_cut());
emit can_copy_changed(editor->can_copy());
emit can_paste_changed(editor->can_paste());
}
}
/**
* @brief Slot called when the user changes the selection in the map.
*/
void MapEditor::map_selection_changed() {
// Update whether cut/copy are available.
bool empty_selection = ui.map_view->is_selection_empty();
can_cut_changed(!empty_selection);
can_copy_changed(!empty_selection);
}
