使用Qt将应用程序固定到任务栏的控制路径

#include <QSystemTrayIcon>
#include <QMenu>

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr)
        : QMainWindow(parent)
    {
        // 创建系统托盘图标
        QSystemTrayIcon *trayIcon = new QSystemTrayIcon(this);
        
        // 创建托盘菜单
        QMenu *trayMenu = new QMenu(this);
        trayMenu->addAction("打开");
        trayMenu->addAction("退出");
        
        // 设置托盘菜单
        trayIcon->setContextMenu(trayMenu);
        
        // 在系统托盘中显示图标
        trayIcon->show();
    }
};

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr)
        : QMainWindow(parent)
    {
        // ...

        connect(trayMenu->actions().at(0), &QAction::triggered, this, &MainWindow::showNormal);
        connect(trayMenu->actions().at(1), &QAction::triggered, this, &MainWindow::close);
    }
};

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr)
        : QMainWindow(parent)
    {
        // ...

        connect(trayMenu->actions().at(1), &QAction::triggered, this, &MainWindow::close);
    }

protected:
    void closeEvent(QCloseEvent *event) override
    {
        // 隐藏窗口并将其最小化到系统托盘
        hide();
        event->ignore();
    }
};