import os
from PyQt5.QtCore import Qt
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *


def about_qt():
    # 关于Qt
    QApplication.instance().aboutQt()


class User(QLabel):
    # 自定义信号, 注意信号必须为类属性
    # button_clicked_signal = pyqtSignal()

    def __init__(self):
        super(User, self).__init__()
        self.widget = QWidget(self)
        self.widget.setMaximumWidth(300)
        self.setObjectName('User')
        # todo:修改布局使适合微软todo的样式,设置点击事件，使用右键菜单的样式添加设置、同步、退出,暂时就这样

        layout = QHBoxLayout()
        info_layout = QVBoxLayout()
        self.pic_label = QLabel('')
        self.pic_label.setObjectName('pic_label')
        self.pic_label.setPixmap(
            QPixmap(os.path.abspath('../') + '/images/user.svg').scaled(50, 50, Qt.IgnoreAspectRatio,
                                                                        Qt.SmoothTransformation))
        layout.addWidget(self.pic_label, 2)
        self.user_name = QLabel("用户登录")
        self.user_name.setObjectName('user_name')
        self.user_mail = QLabel('794508986@qq.com')
        self.user_mail.setObjectName('user_mail')
        self.user_mail.setStyleSheet('font-size:16px')
        # self.menu_label = QLabel('')
        # self.menu_label.setObjectName('menu')
        # self.menu_label.setPixmap(
        #     QPixmap(os.path.abspath('../') + '/images/up-down.svg').scaled(20, 20, Qt.IgnoreAspectRatio,
        #                                                                    Qt.SmoothTransformation))

        info_layout.addWidget(self.user_name)
        info_layout.addWidget(self.user_mail)
        layout.addLayout(info_layout, 4)
        layout.addStretch(1)
        # layout.addWidget(self.menu_label, 1)

        self.widget.setLayout(layout)
        # 设置右键菜单
        self.context_menu = QMenu(self)
        self.init_menu()

    # def mouseReleaseEvent(self, QMouseEvent):
    #     self.button_clicked_signal.emit()
    #

    # 可在外部与槽函数连接 用处不大
    # def connect_customized_slot(self, func):
    #     self.button_clicked_signal.connect(func)

    def contextMenuEvent(self, event):
        self.context_menu.exec_(event.globalPos())

    def init_menu(self):
        # 背景透明
        self.context_menu.setAttribute(Qt.WA_TranslucentBackground)
        # 无边框、去掉自带阴影
        self.context_menu.setWindowFlags(
            self.context_menu.windowFlags() | Qt.FramelessWindowHint | Qt.NoDropShadowWindowHint)

        self.context_menu.addAction(QIcon(os.getcwd() + '/../images/setting.svg'), '设置', self.setting)

        self.context_menu.addAction(QIcon(os.getcwd() + '/../images/sync.svg'), '同步', self.sync)
        self.context_menu.addAction(QIcon(os.getcwd() + '/../images/exit.svg'), '退出', self.exit_account)

    # todo 设置右键点击事件

    def setting(self):
        pass

    def sync(self):
        pass

    def exit_account(self):
        pass