QT使用通知区域小图标

1. QSystemTrayIcon *TrayIcon= new QSystemTrayIcon(this);  
2. TrayIcon->setIcon(QIcon(":/icon/normal.png"));  
3. connect(TrayIcon,SIGNAL(messageClicked()),this,SLOT(showNormal()));  
4. restoreAction = new QAction(ctr("打开主界面"), this);  
5. connect(restoreAction, SIGNAL(triggered()), this, SLOT(showNormal()));  
6. saveAction = new QAction(ctr("保存配置"), this);  
7. connect(saveAction, SIGNAL(triggered()), this, SLOT(saveconf()));  
8. quitAction = new QAction(ctr("退出"), this);  
9. connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));  
10. / connect(ui->pushButton_4,SIGNAL(clicked()),this,SLOT(saveconf()));  
11. connect(TrayIcon,SIGNAL(activated(QSystemTrayIcon::ActivationReason)),this,SLOT(iconActivated(QSystemTrayIcon::ActivationReason))); //触发信号  
12. QMenu *trayIconMenu = new QMenu(this);  
13.   
14. trayIconMenu->addAction(restoreAction);  
15. trayIconMenu->addAction(saveAction);  
16. trayIconMenu->addSeparator();  
17. trayIconMenu->addAction(quitAction);  
18. TrayIcon->setContextMenu(trayIconMenu); //添加右键菜单  
19.         TrayIcon->show();  

 

左键单击触发槽

[cpp] view plain copy

1. void MainWindow::iconActivated(QSystemTrayIcon::ActivationReason reason)  
2. {  
3.     switch (reason) {  
4.          case QSystemTrayIcon::Trigger:  
5.             this->showNormal();  
6.             break;  
7.          default:  
8.              ;  
9.          }  
10.   
11. }