examples/desktop/systray/window.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/desktop/systray/window.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,259 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "window.h"
+
+//! [0]
+Window::Window()
+{
+    createIconGroupBox();
+    createMessageGroupBox();
+
+    iconLabel->setMinimumWidth(durationLabel->sizeHint().width());
+
+    createActions();
+    createTrayIcon();
+
+    connect(showMessageButton, SIGNAL(clicked()), this, SLOT(showMessage()));
+    connect(showIconCheckBox, SIGNAL(toggled(bool)),
+            trayIcon, SLOT(setVisible(bool)));
+    connect(iconComboBox, SIGNAL(currentIndexChanged(int)),
+            this, SLOT(setIcon(int)));
+    connect(trayIcon, SIGNAL(messageClicked()), this, SLOT(messageClicked()));
+    connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
+            this, SLOT(iconActivated(QSystemTrayIcon::ActivationReason)));
+
+    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)
+{
+    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()
+{
+    QSystemTrayIcon::MessageIcon icon = QSystemTrayIcon::MessageIcon(
+            typeComboBox->itemData(typeComboBox->currentIndex()).toInt());
+    trayIcon->showMessage(titleEdit->text(), bodyEdit->toPlainText(), icon,
+                          durationSpinBox->value() * 1000);
+}
+//! [5]
+
+//! [6]
+void Window::messageClicked()
+{
+    QMessageBox::information(0, 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.svg"), tr("Bad"));
+    iconComboBox->addItem(QIcon(":/images/heart.svg"), tr("Heart"));
+    iconComboBox->addItem(QIcon(":/images/trash.svg"), 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->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, SIGNAL(triggered()), this, SLOT(hide()));
+
+    maximizeAction = new QAction(tr("Ma&ximize"), this);
+    connect(maximizeAction, SIGNAL(triggered()), this, SLOT(showMaximized()));
+
+    restoreAction = new QAction(tr("&Restore"), this);
+    connect(restoreAction, SIGNAL(triggered()), this, SLOT(showNormal()));
+
+    quitAction = new QAction(tr("&Quit"), this);
+    connect(quitAction, SIGNAL(triggered()), qApp, SLOT(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);
+}