QT系统托盘

QT系统托盘

其它参考：

https://blog.csdn.net/cpp_learner/article/details/115005306

 

QSystemTrayIcon* trayIcon=new QSystemTrayIcon(this);
trayIcon->setIcon(QIcon(":/png/greenStone.png"));
trayIcon->show();

void Widget::closeEvent(QCloseEvent *event)
{
    if(trayIcon->isVisible())   //托盘是显示的
    {
        QMessageBox::information(this,"提示","程序最小化，通过系统托盘右键关闭");
        this->hide();   //隐藏程序
        event->ignore();    //忽略关闭事件，这样才不会关闭程序
    }
}

 

//槽函数，用来处理点击托盘的操作
void Widget::trayActivated(QSystemTrayIcon::ActivationReason reason)
{
    switch(reason)
    {
    case QSystemTrayIcon::Trigger:  //点击
    case QSystemTrayIcon::DoubleClick:  //双击
    case QSystemTrayIcon::MiddleClick:  //中键点击
    }
}

    //可以定义在.h文件中
    QMenu *trayIconMenu;
    QAction *minimizeAction;
    QAction *maximizeAction;
    QAction *restoreAction;
    QAction *quitAction;
    //下面的构造函数中进行执行
    minimizeAction=new QAction("最小化",this);
    connect(minimizeAction,&QAction::triggered,this,&Widget::hide);
    maximizeAction=new QAction("最大化",this);
    connect(maximizeAction,&QAction::triggered,this,&Widget::showMaximized);
    restoreAction=new QAction("还原",this);
    connect(restoreAction,&QAction::triggered,this,&Widget::showNormal);
    quitAction=new QAction("退出",this);
    //connect(quitAction,&QAction::triggered,this,&Widget::close);    //关联窗口的close不太合适
    connect(quitAction,&QAction::triggered,this,&QCoreApplication::quit);   //应用程序的退出
 
    //创建菜单，添加菜单项
    trayIconMenu=new QMenu(this);
    trayIconMenu->addAction(minimizeAction);
    trayIconMenu->addAction(maximizeAction);
    trayIconMenu->addAction(restoreAction);
    trayIconMenu->addSeparator();   //分割线
    trayIconMenu->addAction(quitAction);
    //给系统托盘添加右键菜单
    trayIcon->setContextMenu(trayIconMenu);

trayIcon->setToolTip("这是一个托盘示例");

参考：

https://blog.csdn.net/weixin_44263232/article/details/136158349