window.cpp Example File

desktop/systray/window.cpp
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#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> 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); } void Window::setVisible(bool visible) { minimizeAction->setEnabled(visible); maximizeAction->setEnabled(!isMaximized()); restoreAction->setEnabled(isMaximized() || !visible); QDialog::setVisible(visible); } 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(); } } void Window::setIcon(int index) { QIcon icon = iconComboBox->itemIcon(index); trayIcon->setIcon(icon); setWindowIcon(icon); trayIcon->setToolTip(iconComboBox->itemText(index)); } 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: ; } } 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); } } 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?")); } 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

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