diff options
Diffstat (limited to 'src/gui/doc/snippets/code/src_gui_kernel_qguiapplication.cpp')
-rw-r--r-- | src/gui/doc/snippets/code/src_gui_kernel_qguiapplication.cpp | 89 |
1 files changed, 25 insertions, 64 deletions
diff --git a/src/gui/doc/snippets/code/src_gui_kernel_qguiapplication.cpp b/src/gui/doc/snippets/code/src_gui_kernel_qguiapplication.cpp index a399d444e1..347b47403e 100644 --- a/src/gui/doc/snippets/code/src_gui_kernel_qguiapplication.cpp +++ b/src/gui/doc/snippets/code/src_gui_kernel_qguiapplication.cpp @@ -1,59 +1,29 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause +#include <QApplication> +#include <QMessageBox> +#include <QSessionManager> +#include <QWidget> + +namespace src_gui_kernel_qguiapplication { +struct MyMainWidget : public QWidget +{ + MyMainWidget(QWidget *parent); + void commitData(QSessionManager& manager); + bool saveDocument() { return true; }; + QStringList restartCommand() { return QStringList(); }; + QStringList discardCommand() { return QStringList(); }; +}; +MyMainWidget *mainWindow = nullptr; +void do_something(QString command) { Q_UNUSED(command); }; +MyMainWidget mySession(nullptr); //! [0] int main(int argc, char *argv[]) { QApplication::setDesktopSettingsAware(false); QApplication app(argc, argv); - ... + // ... return app.exec(); } //! [0] @@ -61,9 +31,8 @@ int main(int argc, char *argv[]) //! [1] MyMainWidget::MyMainWidget(QWidget *parent) - :QWidget(parent) + : QWidget(parent) { - QGuiApplication::setFallbackSessionManagementEnabled(false); connect(qApp, &QGuiApplication::commitDataRequest, this, &MyMainWidget::commitData); } @@ -97,20 +66,12 @@ void MyMainWidget::commitData(QSessionManager& manager) //! [1] +/* wrap snippet 2 + //! [2] appname -session id //! [2] +*/ // wrap snippet 2 -//! [3] -const QStringList commands = mySession.restartCommand(); -for (const QString &command : commands) - do_something(command); -//! [3] - - -//! [4] -const QStringList commands = mySession.discardCommand(); -for (const QString &command : mySession.discardCommand()) - do_something(command); -//! [4] +} // src_gui_kernel_qguiapplication |