05fc3aef53
Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
// Copyright (C) 2021 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QtGui>
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#include <QtWidgets>
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// This example show how calling QDialog::exec() shows the dialog,
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// but does not return.
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class ClickWindow: public QRasterWindow
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{
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public:
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ClickWindow() {
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qDebug() << "ClickWindow constructor";
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}
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~ClickWindow() {
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qDebug() << "ClickWindow destructor";
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}
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void paintEvent(QPaintEvent *ev) override {
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QPainter p(this);
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p.fillRect(ev->rect(), QColorConstants::Svg::deepskyblue);
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p.drawText(50, 100, "Application has started. See the developer tools console for debug output");
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}
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void mousePressEvent(QMouseEvent *) override {
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qDebug() << "mousePressEvent(): calling QMessageBox::exec()";
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QMessageBox messageBox;
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messageBox.setText("Hello! This is a message box.");
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connect(&messageBox, &QMessageBox::buttonClicked, [](QAbstractButton *button) {
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qDebug() << "Button Clicked" << button;
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});
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messageBox.exec(); // <-- does not return
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qDebug() << "mousePressEvent(): done"; // <--- will not be printed
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}
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};
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int main(int argc, char **argv)
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{
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QApplication app(argc, argv);
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ClickWindow window;
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window.show();
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return app.exec();
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}
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