// Copyright (C) 2022 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0 #include #include #include using namespace Utils::Layouting; int main(int argc, char *argv[]) { QApplication app(argc, argv); auto lineEdit = new QLineEdit("0"); auto minusClick = [lineEdit] { lineEdit->setText(QString::number(lineEdit->text().toInt() + 1)); }; auto plusClick = [lineEdit] { lineEdit->setText(QString::number(lineEdit->text().toInt() + 1)); }; Row { PushButton { text("-"), onClicked(minusClick) }, lineEdit, PushButton { text("+"), onClicked(plusClick) } }.emerge()->show(); return app.exec(); }