基于QT+C++开发的托盘图标控件+源码

#pragma execution_character_set("utf-8") #include "trayicon.h" #include "qmutex.h" #include "qmenu.h" #include "qapplication.h" #include "qdebug.h" QScopedPointer<TrayIcon> TrayIcon::self; TrayIcon *TrayIcon::Instance() { if (self.isNull()) { static QMutex mutex; QMutexLocker locker(&mutex); if (self.isNull()) { self.reset(new TrayIcon); } } return self.data(); } TrayIcon::TrayIcon(QObject *parent) : QObject(parent) { mainWidget = 0; trayIcon = new QSystemTrayIcon(this); connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(iconIsActived(QSystemTrayIcon::ActivationReason))); menu = new QMenu; exitDirect = true; } void TrayIcon::iconIsActived(QSystemTrayIcon::ActivationReason reason) { switch (reason) { case QSystemTrayIcon::Trigger: case QSystemTrayIcon::DoubleClick: { this->showMainWidget(); break; } default: break; } } void TrayIcon::setExitDirect(bool exitDirect) { if (this->exitDirect != exitDirect) { this->exitDirect = exitDirect; } } void TrayIcon::setMainWidget(QWidget *mainWidget) { this->mainWidget = mainWidget; menu->addAction("主界面", this, SLOT(showMainWidget())); if (exitDirect) { menu->addAction("退出", this, SLOT(closeAll())); } else { menu->addAction("退出", this, SIGNAL(trayIconExit())); } trayIcon->setContextMenu(menu); } void TrayIcon::showMainWidget() { if (mainWidget) { mainWidget->showNormal(); mainWidget->activateWindow(); } } void TrayIcon::showMessage(const QString &title, const QString &msg, QSystemTrayIcon::MessageIcon icon, int msecs) { trayIcon->showMessage(title, msg, icon, msecs); } void TrayIcon::setIcon(const QString &strIcon) { trayIcon->setIcon(QIcon(strIcon)); } void TrayIcon::setToolTip(const QString &tip) { trayIcon->setToolTip(tip); } bool TrayIcon::getVisible() const { return trayIcon->isVisible(); } void TrayIcon::setVisible(bool visible) { trayIcon->setVisible(visible); } void TrayIcon::closeAll() { trayIcon->hide(); trayIcon->deleteLater(); qApp->exit(); }