Method HandleEditBoxKey

src/window.cpp:2564–2630

* Process keypress for editbox widget. * @param wid Editbox widget. * @param key the Unicode value of the key. * @param keycode the untranslated key code including shift state. * @return #ES_HANDLED if the key press has been handled and no other * window should receive the event. */

 *         window should receive the event.
 */
EventState Window::HandleEditBoxKey(WidgetID wid, char32_t key, uint16_t keycode)
{
	QueryString *query = this->GetQueryString(wid);
	if (query == nullptr) return ES_NOT_HANDLED;

	int action = QueryString::ACTION_NOTHING;

	switch (query->text.HandleKeyPress(key, keycode)) {
		case HKPR_EDITING:
			this->SetWidgetDirty(wid);
			this->OnEditboxChanged(wid);
			break;

		case HKPR_CURSOR:
			this->SetWidgetDirty(wid);
			/* For the OSK also invalidate the parent window */
			if (this->window_class == WC_OSK) this->InvalidateData();
			break;

		case HKPR_CONFIRM:
			if (this->window_class == WC_OSK) {
				this->OnClick(Point(), WID_OSK_OK, 1);
			} else if (query->ok_button >= 0) {
				this->OnClick(Point(), query->ok_button, 1);
			} else {
				action = query->ok_button;
			}
			break;

		case HKPR_CANCEL:
			if (this->window_class == WC_OSK) {
				this->OnClick(Point(), WID_OSK_CANCEL, 1);
			} else if (query->cancel_button >= 0) {
				this->OnClick(Point(), query->cancel_button, 1);
			} else {
				action = query->cancel_button;
			}
			break;

		case HKPR_NOT_HANDLED:
			return ES_NOT_HANDLED;

		default: break;
	}

	switch (action) {
		case QueryString::ACTION_DESELECT:
			this->UnfocusFocusedWidget();
			break;

		case QueryString::ACTION_CLEAR:
			if (query->text.GetText().empty()) {
				/* If already empty, unfocus instead */
				this->UnfocusFocusedWidget();
			} else {
				query->text.DeleteAll();
				this->SetWidgetDirty(wid);
				this->OnEditboxChanged(wid);