qt-everywhere-src-5.14.1/qtbase/examples/widgets/desktop/systray/window.cpp - orbit - Git at Google

 /****************************************************************************
 **
 ** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the examples 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."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "window.h"

 #ifndef QT_NO_SYSTEMTRAYICON

 #include <QAction>
 #include <QCheckBox>
 #include <QComboBox>
 #include <QCoreApplication>
 #include <QCloseEvent>
 #include <QGroupBox>
 #include <QLabel>
 #include <QLineEdit>
 #include <QMenu>
 #include <QPushButton>
 #include <QSpinBox>
 #include <QTextEdit>
 #include <QVBoxLayout>
 #include <QMessageBox>

 //! [0]
 Window::Window()
 {
     createIconGroupBox();
     createMessageGroupBox();

     iconLabel->setMinimumWidth(durationLabel->sizeHint().width());

     createActions();
     createTrayIcon();

     connect(showMessageButton, &QAbstractButton::clicked, this, &Window::showMessage);
     connect(showIconCheckBox, &QAbstractButton::toggled, trayIcon, &QSystemTrayIcon::setVisible);
     connect(iconComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, &Window::setIcon);
     connect(trayIcon, &QSystemTrayIcon::messageClicked, this, &Window::messageClicked);
     connect(trayIcon, &QSystemTrayIcon::activated, this, &Window::iconActivated);

     QVBoxLayout *mainLayout = new QVBoxLayout;
     mainLayout->addWidget(iconGroupBox);
     mainLayout->addWidget(messageGroupBox);
     setLayout(mainLayout);

     iconComboBox->setCurrentIndex(1);
     trayIcon->show();

     setWindowTitle(tr("Systray"));
     resize(400, 300);
 }
 //! [0]

 //! [1]
 void Window::setVisible(bool visible)
 {
     minimizeAction->setEnabled(visible);
     maximizeAction->setEnabled(!isMaximized());
     restoreAction->setEnabled(isMaximized() || !visible);
     QDialog::setVisible(visible);
 }
 //! [1]

 //! [2]
 void Window::closeEvent(QCloseEvent *event)
 {
 #ifdef Q_OS_OSX
     if (!event->spontaneous() || !isVisible()) {
         return;
     }
 #endif
     if (trayIcon->isVisible()) {
         QMessageBox::information(this, tr("Systray"),
                                  tr("The program will keep running in the "
                                     "system tray. To terminate the program, "
                                     "choose <b>Quit</b> in the context menu "
                                     "of the system tray entry."));
         hide();
         event->ignore();
     }
 }
 //! [2]

 //! [3]
 void Window::setIcon(int index)
 {
     QIcon icon = iconComboBox->itemIcon(index);
     trayIcon->setIcon(icon);
     setWindowIcon(icon);

     trayIcon->setToolTip(iconComboBox->itemText(index));
 }
 //! [3]

 //! [4]
 void Window::iconActivated(QSystemTrayIcon::ActivationReason reason)
 {
     switch (reason) {
     case QSystemTrayIcon::Trigger:
     case QSystemTrayIcon::DoubleClick:
         iconComboBox->setCurrentIndex((iconComboBox->currentIndex() + 1) % iconComboBox->count());
         break;
     case QSystemTrayIcon::MiddleClick:
         showMessage();
         break;
     default:
         ;
     }
 }
 //! [4]

 //! [5]
 void Window::showMessage()
 {
     showIconCheckBox->setChecked(true);
     int selectedIcon = typeComboBox->itemData(typeComboBox->currentIndex()).toInt();
     QSystemTrayIcon::MessageIcon msgIcon = QSystemTrayIcon::MessageIcon(selectedIcon);

     if (selectedIcon == -1) { // custom icon
         QIcon icon(iconComboBox->itemIcon(iconComboBox->currentIndex()));
         trayIcon->showMessage(titleEdit->text(), bodyEdit->toPlainText(), icon,
                           durationSpinBox->value() * 1000);
     } else {
         trayIcon->showMessage(titleEdit->text(), bodyEdit->toPlainText(), msgIcon,
                           durationSpinBox->value() * 1000);
     }
 }
 //! [5]

 //! [6]
 void Window::messageClicked()
 {
     QMessageBox::information(nullptr, tr("Systray"),
                              tr("Sorry, I already gave what help I could.\n"
                                 "Maybe you should try asking a human?"));
 }
 //! [6]

 void Window::createIconGroupBox()
 {
     iconGroupBox = new QGroupBox(tr("Tray Icon"));

     iconLabel = new QLabel("Icon:");

     iconComboBox = new QComboBox;
     iconComboBox->addItem(QIcon(":/images/bad.png"), tr("Bad"));
     iconComboBox->addItem(QIcon(":/images/heart.png"), tr("Heart"));
     iconComboBox->addItem(QIcon(":/images/trash.png"), tr("Trash"));

     showIconCheckBox = new QCheckBox(tr("Show icon"));
     showIconCheckBox->setChecked(true);

     QHBoxLayout *iconLayout = new QHBoxLayout;
     iconLayout->addWidget(iconLabel);
     iconLayout->addWidget(iconComboBox);
     iconLayout->addStretch();
     iconLayout->addWidget(showIconCheckBox);
     iconGroupBox->setLayout(iconLayout);
 }

 void Window::createMessageGroupBox()
 {
     messageGroupBox = new QGroupBox(tr("Balloon Message"));

     typeLabel = new QLabel(tr("Type:"));

     typeComboBox = new QComboBox;
     typeComboBox->addItem(tr("None"), QSystemTrayIcon::NoIcon);
     typeComboBox->addItem(style()->standardIcon(
             QStyle::SP_MessageBoxInformation), tr("Information"),
             QSystemTrayIcon::Information);
     typeComboBox->addItem(style()->standardIcon(
             QStyle::SP_MessageBoxWarning), tr("Warning"),
             QSystemTrayIcon::Warning);
     typeComboBox->addItem(style()->standardIcon(
             QStyle::SP_MessageBoxCritical), tr("Critical"),
             QSystemTrayIcon::Critical);
     typeComboBox->addItem(QIcon(), tr("Custom icon"),
             -1);
     typeComboBox->setCurrentIndex(1);

     durationLabel = new QLabel(tr("Duration:"));

     durationSpinBox = new QSpinBox;
     durationSpinBox->setRange(5, 60);
     durationSpinBox->setSuffix(" s");
     durationSpinBox->setValue(15);

     durationWarningLabel = new QLabel(tr("(some systems might ignore this "
                                          "hint)"));
     durationWarningLabel->setIndent(10);

     titleLabel = new QLabel(tr("Title:"));

     titleEdit = new QLineEdit(tr("Cannot connect to network"));

     bodyLabel = new QLabel(tr("Body:"));

     bodyEdit = new QTextEdit;
     bodyEdit->setPlainText(tr("Don't believe me. Honestly, I don't have a "
                               "clue.\nClick this balloon for details."));

     showMessageButton = new QPushButton(tr("Show Message"));
     showMessageButton->setDefault(true);

     QGridLayout *messageLayout = new QGridLayout;
     messageLayout->addWidget(typeLabel, 0, 0);
     messageLayout->addWidget(typeComboBox, 0, 1, 1, 2);
     messageLayout->addWidget(durationLabel, 1, 0);
     messageLayout->addWidget(durationSpinBox, 1, 1);
     messageLayout->addWidget(durationWarningLabel, 1, 2, 1, 3);
     messageLayout->addWidget(titleLabel, 2, 0);
     messageLayout->addWidget(titleEdit, 2, 1, 1, 4);
     messageLayout->addWidget(bodyLabel, 3, 0);
     messageLayout->addWidget(bodyEdit, 3, 1, 2, 4);
     messageLayout->addWidget(showMessageButton, 5, 4);
     messageLayout->setColumnStretch(3, 1);
     messageLayout->setRowStretch(4, 1);
     messageGroupBox->setLayout(messageLayout);
 }

 void Window::createActions()
 {
     minimizeAction = new QAction(tr("Mi&nimize"), this);
     connect(minimizeAction, &QAction::triggered, this, &QWidget::hide);

     maximizeAction = new QAction(tr("Ma&ximize"), this);
     connect(maximizeAction, &QAction::triggered, this, &QWidget::showMaximized);

     restoreAction = new QAction(tr("&Restore"), this);
     connect(restoreAction, &QAction::triggered, this, &QWidget::showNormal);

     quitAction = new QAction(tr("&Quit"), this);
     connect(quitAction, &QAction::triggered, qApp, &QCoreApplication::quit);
 }

 void Window::createTrayIcon()
 {
     trayIconMenu = new QMenu(this);
     trayIconMenu->addAction(minimizeAction);
     trayIconMenu->addAction(maximizeAction);
     trayIconMenu->addAction(restoreAction);
     trayIconMenu->addSeparator();
     trayIconMenu->addAction(quitAction);

     trayIcon = new QSystemTrayIcon(this);
     trayIcon->setContextMenu(trayIconMenu);
 }

 #endif
	/****************************************************************************
	**
	** Copyright (C) 2016 The Qt Company Ltd.
	** Contact: https://www.qt.io/licensing/
	**
	** This file is part of the examples 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."
	**
	** $QT_END_LICENSE$
	**
	****************************************************************************/

	#include "window.h"

	#ifndef QT_NO_SYSTEMTRAYICON

	#include <QAction>
	#include <QCheckBox>
	#include <QComboBox>
	#include <QCoreApplication>
	#include <QCloseEvent>
	#include <QGroupBox>
	#include <QLabel>
	#include <QLineEdit>
	#include <QMenu>
	#include <QPushButton>
	#include <QSpinBox>
	#include <QTextEdit>
	#include <QVBoxLayout>
	#include <QMessageBox>

	//! [0]
	Window::Window()
	{
	createIconGroupBox();
	createMessageGroupBox();

	iconLabel->setMinimumWidth(durationLabel->sizeHint().width());

	createActions();
	createTrayIcon();

	connect(showMessageButton, &QAbstractButton::clicked, this, &Window::showMessage);
	connect(showIconCheckBox, &QAbstractButton::toggled, trayIcon, &QSystemTrayIcon::setVisible);
	connect(iconComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
	this, &Window::setIcon);
	connect(trayIcon, &QSystemTrayIcon::messageClicked, this, &Window::messageClicked);
	connect(trayIcon, &QSystemTrayIcon::activated, this, &Window::iconActivated);

	QVBoxLayout *mainLayout = new QVBoxLayout;
	mainLayout->addWidget(iconGroupBox);
	mainLayout->addWidget(messageGroupBox);
	setLayout(mainLayout);

	iconComboBox->setCurrentIndex(1);
	trayIcon->show();

	setWindowTitle(tr("Systray"));
	resize(400, 300);
	}
	//! [0]

	//! [1]
	void Window::setVisible(bool visible)
	{
	minimizeAction->setEnabled(visible);
	maximizeAction->setEnabled(!isMaximized());
	restoreAction->setEnabled(isMaximized() \|\| !visible);
	QDialog::setVisible(visible);
	}
	//! [1]

	//! [2]
	void Window::closeEvent(QCloseEvent *event)
	{
	#ifdef Q_OS_OSX
	if (!event->spontaneous() \|\| !isVisible()) {
	return;
	}
	#endif
	if (trayIcon->isVisible()) {
	QMessageBox::information(this, tr("Systray"),
	tr("The program will keep running in the "
	"system tray. To terminate the program, "
	"choose <b>Quit</b> in the context menu "
	"of the system tray entry."));
	hide();
	event->ignore();
	}
	}
	//! [2]

	//! [3]
	void Window::setIcon(int index)
	{
	QIcon icon = iconComboBox->itemIcon(index);
	trayIcon->setIcon(icon);
	setWindowIcon(icon);

	trayIcon->setToolTip(iconComboBox->itemText(index));
	}
	//! [3]

	//! [4]
	void Window::iconActivated(QSystemTrayIcon::ActivationReason reason)
	{
	switch (reason) {
	case QSystemTrayIcon::Trigger:
	case QSystemTrayIcon::DoubleClick:
	iconComboBox->setCurrentIndex((iconComboBox->currentIndex() + 1) % iconComboBox->count());
	break;
	case QSystemTrayIcon::MiddleClick:
	showMessage();
	break;
	default:
	;
	}
	}
	//! [4]

	//! [5]
	void Window::showMessage()
	{
	showIconCheckBox->setChecked(true);
	int selectedIcon = typeComboBox->itemData(typeComboBox->currentIndex()).toInt();
	QSystemTrayIcon::MessageIcon msgIcon = QSystemTrayIcon::MessageIcon(selectedIcon);

	if (selectedIcon == -1) { // custom icon
	QIcon icon(iconComboBox->itemIcon(iconComboBox->currentIndex()));
	trayIcon->showMessage(titleEdit->text(), bodyEdit->toPlainText(), icon,
	durationSpinBox->value() * 1000);
	} else {
	trayIcon->showMessage(titleEdit->text(), bodyEdit->toPlainText(), msgIcon,
	durationSpinBox->value() * 1000);
	}
	}
	//! [5]

	//! [6]
	void Window::messageClicked()
	{
	QMessageBox::information(nullptr, tr("Systray"),
	tr("Sorry, I already gave what help I could.\n"
	"Maybe you should try asking a human?"));
	}
	//! [6]

	void Window::createIconGroupBox()
	{
	iconGroupBox = new QGroupBox(tr("Tray Icon"));

	iconLabel = new QLabel("Icon:");

	iconComboBox = new QComboBox;
	iconComboBox->addItem(QIcon(":/images/bad.png"), tr("Bad"));
	iconComboBox->addItem(QIcon(":/images/heart.png"), tr("Heart"));
	iconComboBox->addItem(QIcon(":/images/trash.png"), tr("Trash"));

	showIconCheckBox = new QCheckBox(tr("Show icon"));
	showIconCheckBox->setChecked(true);

	QHBoxLayout *iconLayout = new QHBoxLayout;
	iconLayout->addWidget(iconLabel);
	iconLayout->addWidget(iconComboBox);
	iconLayout->addStretch();
	iconLayout->addWidget(showIconCheckBox);
	iconGroupBox->setLayout(iconLayout);
	}

	void Window::createMessageGroupBox()
	{
	messageGroupBox = new QGroupBox(tr("Balloon Message"));

	typeLabel = new QLabel(tr("Type:"));

	typeComboBox = new QComboBox;
	typeComboBox->addItem(tr("None"), QSystemTrayIcon::NoIcon);
	typeComboBox->addItem(style()->standardIcon(
	QStyle::SP_MessageBoxInformation), tr("Information"),
	QSystemTrayIcon::Information);
	typeComboBox->addItem(style()->standardIcon(
	QStyle::SP_MessageBoxWarning), tr("Warning"),
	QSystemTrayIcon::Warning);
	typeComboBox->addItem(style()->standardIcon(
	QStyle::SP_MessageBoxCritical), tr("Critical"),
	QSystemTrayIcon::Critical);
	typeComboBox->addItem(QIcon(), tr("Custom icon"),
	-1);
	typeComboBox->setCurrentIndex(1);

	durationLabel = new QLabel(tr("Duration:"));

	durationSpinBox = new QSpinBox;
	durationSpinBox->setRange(5, 60);
	durationSpinBox->setSuffix(" s");
	durationSpinBox->setValue(15);

	durationWarningLabel = new QLabel(tr("(some systems might ignore this "
	"hint)"));
	durationWarningLabel->setIndent(10);

	titleLabel = new QLabel(tr("Title:"));

	titleEdit = new QLineEdit(tr("Cannot connect to network"));

	bodyLabel = new QLabel(tr("Body:"));

	bodyEdit = new QTextEdit;
	bodyEdit->setPlainText(tr("Don't believe me. Honestly, I don't have a "
	"clue.\nClick this balloon for details."));

	showMessageButton = new QPushButton(tr("Show Message"));
	showMessageButton->setDefault(true);

	QGridLayout *messageLayout = new QGridLayout;
	messageLayout->addWidget(typeLabel, 0, 0);
	messageLayout->addWidget(typeComboBox, 0, 1, 1, 2);
	messageLayout->addWidget(durationLabel, 1, 0);
	messageLayout->addWidget(durationSpinBox, 1, 1);
	messageLayout->addWidget(durationWarningLabel, 1, 2, 1, 3);
	messageLayout->addWidget(titleLabel, 2, 0);
	messageLayout->addWidget(titleEdit, 2, 1, 1, 4);
	messageLayout->addWidget(bodyLabel, 3, 0);
	messageLayout->addWidget(bodyEdit, 3, 1, 2, 4);
	messageLayout->addWidget(showMessageButton, 5, 4);
	messageLayout->setColumnStretch(3, 1);
	messageLayout->setRowStretch(4, 1);
	messageGroupBox->setLayout(messageLayout);
	}

	void Window::createActions()
	{
	minimizeAction = new QAction(tr("Mi&nimize"), this);
	connect(minimizeAction, &QAction::triggered, this, &QWidget::hide);

	maximizeAction = new QAction(tr("Ma&ximize"), this);
	connect(maximizeAction, &QAction::triggered, this, &QWidget::showMaximized);

	restoreAction = new QAction(tr("&Restore"), this);
	connect(restoreAction, &QAction::triggered, this, &QWidget::showNormal);

	quitAction = new QAction(tr("&Quit"), this);
	connect(quitAction, &QAction::triggered, qApp, &QCoreApplication::quit);
	}

	void Window::createTrayIcon()
	{
	trayIconMenu = new QMenu(this);
	trayIconMenu->addAction(minimizeAction);
	trayIconMenu->addAction(maximizeAction);
	trayIconMenu->addAction(restoreAction);
	trayIconMenu->addSeparator();
	trayIconMenu->addAction(quitAction);

	trayIcon = new QSystemTrayIcon(this);
	trayIcon->setContextMenu(trayIconMenu);
	}

	#endif