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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the examples of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 

    44 #include "window.h"

    45 

    46 //! [0]

    47 Window::Window()

    48 {

    49     createIconGroupBox();

    50     createMessageGroupBox();

    51 

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

    53 

    54     createActions();

    55     createTrayIcon();

    56 

    57     connect(showMessageButton, SIGNAL(clicked()), this, SLOT(showMessage()));

    58     connect(showIconCheckBox, SIGNAL(toggled(bool)),

    59             trayIcon, SLOT(setVisible(bool)));

    60     connect(iconComboBox, SIGNAL(currentIndexChanged(int)),

    61             this, SLOT(setIcon(int)));

    62     connect(trayIcon, SIGNAL(messageClicked()), this, SLOT(messageClicked()));

    63     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),

    64             this, SLOT(iconActivated(QSystemTrayIcon::ActivationReason)));

    65 

    66     QVBoxLayout *mainLayout = new QVBoxLayout;

    67     mainLayout->addWidget(iconGroupBox);

    68     mainLayout->addWidget(messageGroupBox);

    69     setLayout(mainLayout);

    70 

    71     iconComboBox->setCurrentIndex(1);

    72     trayIcon->show();

    73 

    74     setWindowTitle(tr("Systray"));

    75     resize(400, 300);

    76 }

    77 //! [0]

    78 

    79 //! [1]

    80 void Window::setVisible(bool visible)

    81 {

    82     minimizeAction->setEnabled(visible);

    83     maximizeAction->setEnabled(!isMaximized());

    84     restoreAction->setEnabled(isMaximized() || !visible);

    85     QDialog::setVisible(visible);

    86 }

    87 //! [1]

    88 

    89 //! [2]

    90 void Window::closeEvent(QCloseEvent *event)

    91 {

    92     if (trayIcon->isVisible()) {

    93         QMessageBox::information(this, tr("Systray"),

    94                                  tr("The program will keep running in the "

    95                                     "system tray. To terminate the program, "

    96                                     "choose <b>Quit</b> in the context menu "

    97                                     "of the system tray entry."));

    98         hide();

    99         event->ignore();

   100     }

   101 }

   102 //! [2]

   103 

   104 //! [3]

   105 void Window::setIcon(int index)

   106 {

   107     QIcon icon = iconComboBox->itemIcon(index);

   108     trayIcon->setIcon(icon);

   109     setWindowIcon(icon);

   110 

   111     trayIcon->setToolTip(iconComboBox->itemText(index));

   112 }

   113 //! [3]

   114 

   115 //! [4]

   116 void Window::iconActivated(QSystemTrayIcon::ActivationReason reason)

   117 {

   118     switch (reason) {

   119     case QSystemTrayIcon::Trigger:

   120     case QSystemTrayIcon::DoubleClick:

   121         iconComboBox->setCurrentIndex((iconComboBox->currentIndex() + 1)

   122                                       % iconComboBox->count());

   123         break;

   124     case QSystemTrayIcon::MiddleClick:

   125         showMessage();

   126         break;

   127     default:

   128         ;

   129     }

   130 }

   131 //! [4]

   132 

   133 //! [5]

   134 void Window::showMessage()

   135 {

   136     QSystemTrayIcon::MessageIcon icon = QSystemTrayIcon::MessageIcon(

   137             typeComboBox->itemData(typeComboBox->currentIndex()).toInt());

   138     trayIcon->showMessage(titleEdit->text(), bodyEdit->toPlainText(), icon,

   139                           durationSpinBox->value() * 1000);

   140 }

   141 //! [5]

   142 

   143 //! [6]

   144 void Window::messageClicked()

   145 {

   146     QMessageBox::information(0, tr("Systray"),

   147                              tr("Sorry, I already gave what help I could.\n"

   148                                 "Maybe you should try asking a human?"));

   149 }

   150 //! [6]

   151 

   152 void Window::createIconGroupBox()

   153 {

   154     iconGroupBox = new QGroupBox(tr("Tray Icon"));

   155 

   156     iconLabel = new QLabel("Icon:");

   157 

   158     iconComboBox = new QComboBox;

   159     iconComboBox->addItem(QIcon(":/images/bad.svg"), tr("Bad"));

   160     iconComboBox->addItem(QIcon(":/images/heart.svg"), tr("Heart"));

   161     iconComboBox->addItem(QIcon(":/images/trash.svg"), tr("Trash"));

   162 

   163     showIconCheckBox = new QCheckBox(tr("Show icon"));

   164     showIconCheckBox->setChecked(true);

   165 

   166     QHBoxLayout *iconLayout = new QHBoxLayout;

   167     iconLayout->addWidget(iconLabel);

   168     iconLayout->addWidget(iconComboBox);

   169     iconLayout->addStretch();

   170     iconLayout->addWidget(showIconCheckBox);

   171     iconGroupBox->setLayout(iconLayout);

   172 }

   173 

   174 void Window::createMessageGroupBox()

   175 {

   176     messageGroupBox = new QGroupBox(tr("Balloon Message"));

   177 

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

   179 

   180     typeComboBox = new QComboBox;

   181     typeComboBox->addItem(tr("None"), QSystemTrayIcon::NoIcon);

   182     typeComboBox->addItem(style()->standardIcon(

   183             QStyle::SP_MessageBoxInformation), tr("Information"),

   184             QSystemTrayIcon::Information);

   185     typeComboBox->addItem(style()->standardIcon(

   186             QStyle::SP_MessageBoxWarning), tr("Warning"),

   187             QSystemTrayIcon::Warning);

   188     typeComboBox->addItem(style()->standardIcon(

   189             QStyle::SP_MessageBoxCritical), tr("Critical"),

   190             QSystemTrayIcon::Critical);

   191     typeComboBox->setCurrentIndex(1);

   192 

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

   194 

   195     durationSpinBox = new QSpinBox;

   196     durationSpinBox->setRange(5, 60);

   197     durationSpinBox->setSuffix(" s");

   198     durationSpinBox->setValue(15);

   199 

   200     durationWarningLabel = new QLabel(tr("(some systems might ignore this "

   201                                          "hint)"));

   202     durationWarningLabel->setIndent(10);

   203 

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

   205 

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

   207 

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

   209 

   210     bodyEdit = new QTextEdit;

   211     bodyEdit->setPlainText(tr("Don't believe me. Honestly, I don't have a "

   212                               "clue.\nClick this balloon for details."));

   213 

   214     showMessageButton = new QPushButton(tr("Show Message"));

   215     showMessageButton->setDefault(true);

   216 

   217     QGridLayout *messageLayout = new QGridLayout;

   218     messageLayout->addWidget(typeLabel, 0, 0);

   219     messageLayout->addWidget(typeComboBox, 0, 1, 1, 2);

   220     messageLayout->addWidget(durationLabel, 1, 0);

   221     messageLayout->addWidget(durationSpinBox, 1, 1);

   222     messageLayout->addWidget(durationWarningLabel, 1, 2, 1, 3);

   223     messageLayout->addWidget(titleLabel, 2, 0);

   224     messageLayout->addWidget(titleEdit, 2, 1, 1, 4);

   225     messageLayout->addWidget(bodyLabel, 3, 0);

   226     messageLayout->addWidget(bodyEdit, 3, 1, 2, 4);

   227     messageLayout->addWidget(showMessageButton, 5, 4);

   228     messageLayout->setColumnStretch(3, 1);

   229     messageLayout->setRowStretch(4, 1);

   230     messageGroupBox->setLayout(messageLayout);

   231 }

   232 

   233 void Window::createActions()

   234 {

   235     minimizeAction = new QAction(tr("Mi&nimize"), this);

   236     connect(minimizeAction, SIGNAL(triggered()), this, SLOT(hide()));

   237 

   238     maximizeAction = new QAction(tr("Ma&ximize"), this);

   239     connect(maximizeAction, SIGNAL(triggered()), this, SLOT(showMaximized()));

   240 

   241     restoreAction = new QAction(tr("&Restore"), this);

   242     connect(restoreAction, SIGNAL(triggered()), this, SLOT(showNormal()));

   243 

   244     quitAction = new QAction(tr("&Quit"), this);

   245     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));

   246 }

   247 

   248 void Window::createTrayIcon()

   249 {

   250     trayIconMenu = new QMenu(this);

   251     trayIconMenu->addAction(minimizeAction);

   252     trayIconMenu->addAction(maximizeAction);

   253     trayIconMenu->addAction(restoreAction);

   254     trayIconMenu->addSeparator();

   255     trayIconMenu->addAction(quitAction);

   256 

   257     trayIcon = new QSystemTrayIcon(this);

   258     trayIcon->setContextMenu(trayIconMenu);

   259 }