qt托盘菜单半透明

qt托盘菜单半透明

QMenu#toptoolbarmenu {
    padding: 10px 0;
    border-radius: 15px;
    background-color: rgba(38, 40, 42, 0.7);
}
QMenu#toptoolbarmenu::separator {
    height: 2px;
    margin: 6px 0;
    background-color: rgba(255, 255, 255, 1);
}
QMenu#toptoolbarmenu::icon {
    padding: 0 0 0 10px;
}
QMenu#toptoolbarmenu::item {
    color: white;
    padding: 3px 10px;
    font-weight: bold;
    background-color: transparent;
}
QMenu#toptoolbarmenu::item:hover,
QMenu#toptoolbarmenu::item:pressed,
QMenu#toptoolbarmenu::item:selected {
    color: rgb(95, 174, 200);
    border-radius: 15px;
}
QMenu#toptoolbarmenu::item QLabel {
    color: rgb(145, 145, 145);
    font-weight: bold;
    padding-left: 7px;
    margin-bottom: 5px;
    background-color: transparent;
}

对话框构造函数

TrayDialog.h

class TrayDialog: public QDialog{
public:
    ...

    // add 
    void activeTray(QSystemTrayIcon::ActivationReason reason);
private:
    // add
    struct TrayDialogImpl;
    TrayDialogImpl* impl{ nullptr };
}

TrayDialog.cpp

#include "traydialog.h"

#include <QMenu>
#include <QList>
#include <QAction>
#include <QObject>
#include <QSystemTrayIcon>
#include <functional>
#include <QDebug>

struct TrayDialog::TrayDialogImpl 
{
    // 托盘
    Menu* trayMenu{ nullptr };
    QSystemTrayIcon* systemTray{ nullptr };
    TrayDialogImpl()
    {
    }
};

TrayDialog::TrayDialog()
{
    ...

    // add
    impl->trayMenu = new Menu(this);
    impl->systemTray = new QSystemTrayIcon(this);
    // menu
    impl->trayMenu->setObjectName("toptoolbarmenu");
    impl->trayMenu->setProperty("class", "toptoolbarmenu");
    impl->trayMenu->setWindowFlags(impl->trayMenu->windowFlags() | Qt::FramelessWindowHint | Qt::NoDropShadowWindowHint);
    impl->trayMenu->setAttribute(Qt::WA_TranslucentBackground);
    // tray
    impl->systemTray->setIcon(QIcon("icon.png"));
    impl->systemTray->setToolTip("TrayDialog");
    impl->systemTray->setContextMenu(impl->trayMenu);
    impl->systemTray->show();
    // connect
    connect(impl->systemTray, &QSystemTrayIcon::activated, this, &TrayDialog::activeTray);//点击托盘，执行相应的动作

    QAction* action = new QAction(QIcon(""), "123");
    QObject::connect(action, &QAction::triggered, []() {
        qDebug() << "123";
    });
    QAction* show = new QAction(QIcon(""), "show");
    QObject::connect(show, &QAction::triggered, [&]() {
        this->show();
    });
    impl->trayMenu->addAction(show);
    impl->trayMenu->addAction(action);
}

void TrayDialog::activeTray(QSystemTrayIcon::ActivationReason reason)
{
    switch (reason)
    {
        case QSystemTrayIcon::Context: // 已请求系统托盘条目的上下文菜单
        {
            ;
        }
        break;
        case QSystemTrayIcon::DoubleClick: // 双击
        {
            ;
        }
        break;
        case QSystemTrayIcon::Trigger: // 单击
        {
            ;
        }
        break;
    }
}