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#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);

}