Qt实现最小化到托盘任务栏-完整工程代码.zip

#include "widget.h" #include "ui_widget.h" Widget::Widget(QWidget *parent) : QWidget(parent) , ui(new Ui::Widget) { ui->setupUi(this); this->setWindowTitle("最小化托盘功能演示"); tray= new QSystemTrayIcon(this);//初始化托盘对象tray connect(tray,SIGNAL(activated(QSystemTrayIcon::ActivationReason)),this,SLOT(show_Widget(QSystemTrayIcon::ActivationReason))); tray->setIcon(QIcon(QPixmap(":/logo.png")));//设定托盘图标，引号内是自定义的png图片路径 tray->setToolTip("DS小龙哥的QQ"); //提示文字 restoreAction = new QAction("打开", this); connect(restoreAction, SIGNAL(triggered()), this, SLOT(show())); quitAction = new QAction("退出", this); connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit())); trayMenu = new QMenu(this); trayMenu->addAction(restoreAction); trayMenu->addSeparator(); trayMenu->addAction(quitAction); tray->setContextMenu(trayMenu); } Widget::~Widget() { delete ui; } //点击托盘图标的时候窗口，可以实现还原等操作 void Widget::show_Widget(QSystemTrayIcon::ActivationReason reason) { switch(reason) { case QSystemTrayIcon::Trigger://单击托盘图标 this->showNormal(); //还原界面 break; case QSystemTrayIcon::DoubleClick://双击托盘图标 this->showNormal();//还原界面 break; default: break; } } //窗口关闭事件 void Widget::closeEvent(QCloseEvent *event) { //忽略关闭事件 event->ignore(); //设置窗口最小化到托盘 this->hide(); QString title="DS小龙哥"; QString text="我是最小化到托盘的提示"; tray->show();//让托盘图标显示在系统托盘上 //这是最小化的时候弹出的消息提示。如果不想要提示，这个代码不写即可。 tray->showMessage(title,text,QSystemTrayIcon::Information,2000); //最后一个参数为提示时长，默认10000，即10s }