源码

蓝奏云：https://wwbx.lanzoul.com/b037wmw7e

密码:adro

从上一章开始看

本章我们需要正在上一章的基础上来做调整，所以还没有看过上一章的朋友可以回头看看

【PySide6】二、无边框拉伸窗口

为什么要设置系统托盘

主要是为了软件能在后台运行，并且能更加方便的从后台转为前台

为托盘菜单添加样式

代码

import sys
from PySide6.QtWidgets import *
from PySide6.QtGui import *
from PySide6.QtCore import *
from ui import ui_main_win# 主窗口
class main_win(QWidget):def __init__(self,parent = None):# 从文件中加载UI定义super(main_win, self).__init__(parent)self.ui = ui_main_win.Ui_Form()self.ui.setupUi(self)self.setWindowFlag(Qt.FramelessWindowHint)        #将界面设置为无框self.setAttribute(Qt.WA_TranslucentBackground)    #将界面属性设置为半透明self.shadow = QGraphicsDropShadowEffect()        #设定一个阴影,半径为 4,颜色为 2, 10, 25,偏移为 0,0self.shadow.setBlurRadius(4)self.shadow.setColor(QColor(2, 10, 25))self.shadow.setOffset(0, 0)self.ui.frame.setGraphicsEffect(self.shadow)    #为frame设定阴影效果# 按钮绑定退出信号# self.ui.pushButton_2.clicked.connect(app.quit)# 更改按钮为绑定关闭窗口信号self.ui.pushButton_2.clicked.connect(self.close)# 开启鼠标跟踪后，鼠标离开窗口或进入窗口会触发 mouseMoveEvent 事件self.setMouseTracking(True)# 初始化各扳机的状态self.initDrag()# 主窗口绑定事件过滤器self.ui.frame.installEventFilter(self)  # 初始化事件过滤器# 托盘菜单初始化self.tray_icon()#   -------------------------------------------------托盘菜单功能-----------------------------------------------# 托盘菜单初始化def tray_icon(self):# 创建菜单的项目，并连接对应信号self.create_actions()# 把项目添加到菜单中( QMenu(self) )self.create_tray_icon()# 创建菜单的项目，并连接对应信号def create_actions(self):self._restore_action = QAction("显示主界面")self._restore_action.triggered.connect(self.showNormal)self._quit_action = QAction("退出")self._quit_action.triggered.connect(self.app_quit)# 把项目添加到菜单中( QMenu(self) )def create_tray_icon(self):self._tray_icon_menu = QMenu(self)self._tray_icon_menu.addAction(self._restore_action)# 添加分隔符self._tray_icon_menu.addSeparator()self._tray_icon_menu.addAction(self._quit_action)# 设置托盘图标，图片必须为正方形self._tray_icon = QSystemTrayIcon()self._tray_icon.setIcon(QIcon(r'img\logo.png'))self._tray_icon.setContextMenu(self._tray_icon_menu)# 在系统托盘显示此对象self._tray_icon.show()# 动作信号self._tray_icon.activated.connect(self.iconActivated)# 动作信号def iconActivated(self,reason):# 输出在鼠标在托盘图标上的动作print(reason)# 双击if reason == QSystemTrayIcon.DoubleClick:if self._tray_icon.isVisible():self.showNormal()# 右击if reason == QSystemTrayIcon.Context:if self._tray_icon.isVisible():# 菜单跟随鼠标self._tray_icon_menu.exec(QPoint(QCursor.pos().x() - 55 ,QCursor.pos().y() - 90))else:self.hide()# 退出def app_quit(self):# 先释放资源再退出，用于解决退出后图标不消失的问题self._restore_action = Noneself._quit_action = Noneself._tray_icon = Noneself._tray_icon_menu = Noneapp.quit()#   -------------------------------------------------事件过滤器-------------------------------------------------def eventFilter(self, obj, event):# 事件过滤器,用于解决鼠标进入其它控件后还原为标准鼠标样式if isinstance(event, QEnterEvent):self.setCursor(Qt.ArrowCursor)return super().eventFilter(obj, event)#   -----------------------------------------------移动与拉伸功能------------------------------------------------# 初始化各扳机的状态def initDrag(self):self._move_drag = Falseself._corner_drag = Falseself._bottom_drag = Falseself._right_drag = False# 鼠标按下所执行的功能def mousePressEvent(self, event):# globalPos为鼠标位置 , pos 为窗口的位置 , m_Position 为鼠标在窗口中的位置  .x() .y() 获取事件中的坐标# 移动事件if event.button() == Qt.LeftButton and (event.globalPos() - self.pos()).x() < self.ui.frame.size().width() and (event.globalPos() - self.pos()).y() < self.ui.frame.size().height():self._move_drag = Trueself.m_Position = event.globalPos() - self.pos()event.accept()# 右下角边界拉伸事件if event.button() == Qt.LeftButton and (event.globalPos() - self.pos()).x() > self.ui.frame.size().width() and (event.globalPos() - self.pos()).y() > self.ui.frame.size().height():self._corner_drag = Trueevent.accept()# 下边界拉伸事件if event.button() == Qt.LeftButton and (event.globalPos() - self.pos()).x() < self.ui.frame.size().width() and (event.globalPos() - self.pos()).y() > self.ui.frame.size().height():self._bottom_drag = Trueevent.accept()# 右边界拉伸事件if event.button() == Qt.LeftButton and (event.globalPos() - self.pos()).x() > self.ui.frame.size().width() and (event.globalPos() - self.pos()).y() < self.ui.frame.size().height():self._right_drag = Trueevent.accept()# 鼠标移动所执行的功能def mouseMoveEvent(self, QMouseEvent):# 移动事件if Qt.LeftButton and self._move_drag:self.move(QMouseEvent.globalPos() - self.m_Position)QMouseEvent.accept()# 右下角边界拉伸事件if Qt.LeftButton and self._corner_drag:self.resize(QMouseEvent.pos().x()+10 , QMouseEvent.pos().y()+10)QMouseEvent.accept()# 下边界拉伸事件if Qt.LeftButton and self._bottom_drag:self.resize(self.width() , QMouseEvent.pos().y()+10)QMouseEvent.accept()# 右边界拉伸事件if Qt.LeftButton and self._right_drag:self.resize(QMouseEvent.pos().x()+10 , self.height())QMouseEvent.accept()# 获取鼠标在窗口中的位置来改变鼠标的图标# 右下角边界光标事件if (QMouseEvent.globalPos() - self.pos()).x() > self.ui.frame.size().width() and (QMouseEvent.globalPos() - self.pos()).y() > self.ui.frame.size().height():self.setCursor(Qt.SizeFDiagCursor)# 下边界光标事件elif (QMouseEvent.globalPos() - self.pos()).x() < self.ui.frame.size().width() and (QMouseEvent.globalPos() - self.pos()).y() > self.ui.frame.size().height():self.setCursor(Qt.SizeVerCursor)# 右边界光标事件elif (QMouseEvent.globalPos() - self.pos()).x() > self.ui.frame.size().width() and (QMouseEvent.globalPos() - self.pos()).y() < self.ui.frame.size().height():self.setCursor(Qt.SizeHorCursor)# 正常光标事件else:self.setCursor(Qt.ArrowCursor)# 鼠标弹起后，恢复各扳机的状态def mouseReleaseEvent(self, QMouseEvent):self._move_drag = Falseself._corner_drag = Falseself._bottom_drag = Falseself._right_drag = Falseif __name__ == '__main__':# 每一个 PySide6 应用都必须创建一个应用对象app = QApplication([])# 设置窗口图标：按下 Alt + Tab 能够看到的图标，图片必须为正方形app.setWindowIcon(QIcon(r'img\logo.png'))# 检测当前系统是否支持托盘功能if not QSystemTrayIcon.isSystemTrayAvailable():QMessageBox.critical(None, "系统托盘", "本系统检测不出系统托盘")sys.exit(1)# 使得程序能在后台运行，关闭最后一个窗口不退出程序QApplication.setQuitOnLastWindowClosed(False)main_win = main_win()main_win.show()sys.exit(app.exec())

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