Method bindNavigationClick

src/eepp/ui/uitreeview.cpp:150–187

}

void UITreeView::bindNavigationClick( UIWidget* widget ) {
	auto openTree = [this]( const ModelIndex& idx, const Event* event ) {
		ConditionalLock l( getModel() != nullptr,
						   getModel() ? &getModel()->resourceMutex() : nullptr );
		if ( getModel()->rowCount( idx ) ) {
			auto& data = getIndexMetadata( idx );
			data.open = !data.open;
			createOrUpdateColumns( false );
			onOpenTreeModelIndex( idx, data.open );
		} else {
			onOpenModelIndex( idx, event );
		}
	};

	mWidgetsClickCbId[widget].push_back(
		widget->on( Event::MouseDoubleClick, [this, openTree]( const Event* event ) {
			auto mouseEvent = static_cast<const MouseEvent*>( event );
			auto cellIdx = mouseEvent->getNode()->asType<UITableCell>()->getCurIndex();
			auto idx = mouseEvent->getNode()->getParent()->asType<UITableRow>()->getCurIndex();
			if ( isEditable() && ( mEditTriggers & EditTrigger::DoubleClicked ) && getModel() &&
				 getModel()->isEditable( cellIdx ) ) {
				beginEditing( cellIdx, mouseEvent->getNode()->asType<UIWidget>() );
			} else if ( ( mouseEvent->getFlags() & EE_BUTTON_LMASK ) && !mSingleClickNavigation ) {
				openTree( idx, event );
			}
		} ) );

	mWidgetsClickCbId[widget].push_back(
		widget->on( Event::MouseClick, [this, openTree]( const Event* event ) {
			auto mouseEvent = static_cast<const MouseEvent*>( event );
			auto idx = mouseEvent->getNode()->getParent()->asType<UITableRow>()->getCurIndex();
			if ( mouseEvent->getFlags() & EE_BUTTON_RMASK ) {
				onOpenMenuModelIndex( idx, event );
			} else if ( ( mouseEvent->getFlags() & EE_BUTTON_LMASK ) && mSingleClickNavigation ) {
				openTree( idx, event );
			}
		} ) );
}

bool UITreeView::tryOpenModelIndex( const ModelIndex& index, bool forceUpdate ) {
	bool hasChildren = false;