142 lines
4.2 KiB
C++
142 lines
4.2 KiB
C++
#include <QPainter>
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#include <QTimer>
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#include <QMessageBox>
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#include "gui/systemtrayicon.h"
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#include "gui/formmain.h"
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#include "gui/formsettings.h"
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#include "core/settings.h"
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#include "core/defs.h"
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QPointer<SystemTrayIcon> SystemTrayIcon::s_trayIcon;
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SystemTrayIcon::SystemTrayIcon(const QString &normal_icon,
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const QString &plain_icon,
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FormMain *parent)
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: QSystemTrayIcon(parent), m_normalIcon(normal_icon), m_plainIcon(plain_icon) {
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qDebug("Creating SystemTrayIcon instance.");
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// Initialize icon.
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setNumber();
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setContextMenu(parent->getTrayMenu());
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// Create necessary connections.
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connect(this, &SystemTrayIcon::activated, this, &SystemTrayIcon::onActivated);
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}
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SystemTrayIcon::~SystemTrayIcon() {
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qDebug("Destroying SystemTrayIcon instance.");
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hide();
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}
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void SystemTrayIcon::onActivated(const ActivationReason &reason) {
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switch (reason) {
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case SystemTrayIcon::Trigger:
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case SystemTrayIcon::DoubleClick:
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case SystemTrayIcon::MiddleClick:
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static_cast<FormMain*>(parent())->switchVisibility();
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default:
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break;
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}
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}
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bool SystemTrayIcon::isSystemTrayAvailable() {
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return QSystemTrayIcon::isSystemTrayAvailable() && QSystemTrayIcon::supportsMessages();
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}
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bool SystemTrayIcon::isSystemTrayActivated() {
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return SystemTrayIcon::isSystemTrayAvailable() && Settings::getInstance()->value(APP_CFG_GUI,
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"use_tray_icon",
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true).toBool();
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}
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SystemTrayIcon *SystemTrayIcon::getInstance() {
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if (s_trayIcon.isNull()) {
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s_trayIcon = new SystemTrayIcon(APP_ICON_PATH,
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APP_ICON_PLAIN_PATH,
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FormMain::getInstance());
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}
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return s_trayIcon;
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}
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void SystemTrayIcon::deleteInstance() {
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if (!s_trayIcon.isNull()) {
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qDebug("Disabling tray icon and raising main application window.");
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static_cast<FormMain*>((*s_trayIcon).parent())->display();
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delete s_trayIcon.data();
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// Make sure that application quits when last window is closed.
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qApp->setQuitOnLastWindowClosed(true);
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}
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}
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void SystemTrayIcon::showPrivate() {
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// Make sure that application does not exit some window (for example
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// the settings window) gets closed. Behavior for main window
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// is handled explicitly by FormMain::closeEvent() method.
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qApp->setQuitOnLastWindowClosed(false);
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// Display the tray icon.
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QSystemTrayIcon::show();
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qDebug("Tray icon displayed.");
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}
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void SystemTrayIcon::show() {
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#if defined(Q_OS_WIN)
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// Show immediately.
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qDebug("Showing tray icon immediately.");
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showPrivate();
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#else
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// Delay avoids race conditions and tray icon is properly displayed.
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qDebug("Showing tray icon with 1000 ms delay.");
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QTimer::singleShot(1000,
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Qt::CoarseTimer,
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this, SLOT(showPrivate()));
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#endif
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}
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void SystemTrayIcon::setNumber(int number) {
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if (number < 0) {
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QSystemTrayIcon::setIcon(QIcon(m_normalIcon));
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}
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else {
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QPixmap background = QPixmap(APP_ICON_PLAIN_PATH);
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QPainter trayPainter;
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QFont font = QFont();
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font.setBold(true);
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trayPainter.begin(&background);
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trayPainter.setPen(Qt::black);
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// Numbers with more than 2 digits won't be readable, display
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// infinity symbol in that case.
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if (number > 99) {
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font.setPixelSize(90);
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trayPainter.setFont(font);
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trayPainter.drawText(QRect(0, 0, 128, 128),
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Qt::AlignVCenter | Qt::AlignCenter ,
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"∞");
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}
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else {
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// Smaller number if it has 2 digits.
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if (number > 9) {
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font.setPixelSize(70);
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}
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// Bigger number if it has just one digit.
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else {
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font.setPixelSize(90);
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}
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trayPainter.setFont(font);
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trayPainter.drawText(QRect(0, 0, 128, 128),
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Qt::AlignVCenter | Qt::AlignCenter ,
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QString::number(number));
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}
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trayPainter.end();
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QSystemTrayIcon::setIcon(QIcon(background));
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}
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}
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