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# -*- coding=utf-8 -*-
# ==========================================
#       author: Ruben
#         mail: [e-mail]
#         time: 2023/12/8
# ==========================================
u"""
一个托盘图标的小部件
"""
from Qt import QtWidgets, QtGui, QtCore# --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*class SystemTrayIcon(QtWidgets.QSystemTrayIcon):"""拓展托盘图标，可移动界面至托盘图标附近"""clicked = QtCore.Signal()  # 单击double_clicked = QtCore.Signal()  # 双击right_clicked = QtCore.Signal()  # 右键def __init__(self, *args, **kwargs):super(SystemTrayIcon, self).__init__(*args, **kwargs)self.activated.connect(self.__activated)def __activated(self, reason):if reason == self.Trigger:self.clicked.emit()elif reason == self.DoubleClick:self.double_clicked.emit()elif reason == self.Context:self.right_clicked.emit()@staticmethoddef available_geometry(pos):"""传入控件位置返回控件所在的屏幕的可用大小Args:pos: QtCore.QPointReturns:QtCore.QRect"""desktop = QtWidgets.QApplication.instance().desktop()return desktop.availableGeometry(pos)def move_widget_to_system_tray_icon(self, widget, margin=10):"""将界面移动到托盘图标附近Args:widget: QWidgetmargin: 10pxReturns:QtCore.QPoint"""center = self.geometry().center()tray_x = center.x()tray_y = center.y()screen_geometry = self.available_geometry(center)# 托盘图标和屏幕边缘的距离top = abs(tray_y - screen_geometry.top())bottom = abs(screen_geometry.bottom() - tray_y)left = abs(tray_x - screen_geometry.left())right = abs(screen_geometry.right() - tray_x)# 获得屏幕边缘的最小距离v = min(top, bottom)  # 纵向h = min(left, right)  # 横向if h < v:  # 纵向菜单栏if right > left:  # 左x = screen_geometry.left() + marginy = tray_y - widget.height()else:  # 右x = screen_geometry.right() - widget.width() - marginy = tray_y - widget.height()else:  # 横向菜单栏if top < bottom:  # 上x = screen_geometry.right() - widget.width() - righty = screen_geometry.top() + marginelse:  # 下x = screen_geometry.right() - widget.width() - righty = screen_geometry.bottom() - widget.height() - 30 - marginwidget.move(x, y)class Application(QtWidgets.QMainWindow):def __init__(self, *args, **kwargs):"""初始化主应用程序窗口"""super(Application, self).__init__(*args, **kwargs)self._initialise_tray()self.setWindowIcon(self.tray_icon())self.setWindowTitle("托盘图标演示主界面")def tray_icon(self):"""使用Qt内置的图标"""icon = self.style().standardIcon(QtWidgets.QStyle.SP_TrashIcon)return icondef _initialise_tray(self):u"""初始化并添加应用程序图标到系统托盘"""self.tray_menu = self._create_tray_menu()self.tray = SystemTrayIcon(self.tray_icon(), self)self.tray.setContextMenu(self.tray_menu)self.tray.clicked.connect(self.show_main_widget)self.tray.show()def _create_tray_menu(self):"""创建菜单并连接信号"""menu = QtWidgets.QMenu()action = menu.addAction("显示主界面")action.triggered.connect(self.show_main_widget)action = menu.addAction("退出")action.triggered.connect(QtWidgets.QApplication.quit)return menudef focus(self):u"""显示窗口并放到最上边"""self.activateWindow()self.showNormal()self.raise_()def show_main_widget(self):"""显示主界面"""if self.isMinimized():# 在最小化状态时，显示界面self.focus()elif self.isHidden():# 隐藏的状态给它显示并移动到托盘图标附近self.tray.move_widget_to_system_tray_icon(self)self.focus()else:# 已显示的给它最小化self.showMinimized()if __name__ == '__main__':_app = QtWidgets.QApplication([])_app.setQuitOnLastWindowClosed(False)_win = Application()_win.resize(300, 100)_win.show()_app.exec_()