一、最小话托盘后，调用showNormal()后窗口不刷新，解决办法如下：
重写showNormal 方法，调用父类方法后，repaint窗体
def showNormal(self): super(LcdTime, self).showNormal() self.repaint()
二、透明显示窗口后无法拖动窗体：
必须拖动非透明区域，比如数字，目前没有找到好的解决方案。
# -*- coding: utf-8 -*- import sys from PyQt4 import QtCore, QtGui class LcdTime(QtGui.QDialog): def __init__(self, parent=None): super(LcdTime, self).__init__(parent) self.hour = QtGui.QLCDNumber(8, self) self.hour.setGeometry(10, 10, 200, 80) self.hour.setSegmentStyle(QtGui.QLCDNumber.Flat) self.display() self.timer = QtCore.QTimer() self.connect(self.timer, QtCore.SIGNAL(‘timeout()‘), self.display) self.timer.start(1000) self.build_tray() self.resize(220, 100) self.central() self.setWindowFlags(QtCore.Qt.FramelessWindowHint) # 透明处理，移动需要拖动数字 self.setAttribute(QtCore.Qt.WA_TranslucentBackground, True) self.setMouseTracking(True) def mousePressEvent(self, event): if event.button() == QtCore.Qt.LeftButton: self.dragPosition = event.globalPos() - self.frameGeometry().topLeft() event.accept() def mouseMoveEvent(self, event): if event.buttons() == QtCore.Qt.LeftButton: self.move(event.globalPos() - self.dragPosition) event.accept() def build_tray(self): trayIcon = QtGui.QSystemTrayIcon(self) trayIcon.setIcon(QtGui.QIcon(‘logo.png‘)) trayIcon.show() trayIcon.setToolTip(‘时钟‘) trayIcon.activated.connect(self.trayClick) menu = QtGui.QMenu() normalAction = menu.addAction(‘正常显示‘) miniAction = menu.addAction(‘最小化托盘‘) exitAction = menu.addAction(‘退出‘) normalAction.triggered.connect(self.showNormal) exitAction.triggered.connect(self.exit) miniAction.triggered.connect(self.showMinimized) trayIcon.setContextMenu(menu) def exit(self): # 不设置Visible为False，退出后TrayIcon不会刷新 self.setVisible(False) sys.exit(0) def trayClick(self, reason): if reason == QtGui.QSystemTrayIcon.DoubleClick: self.showNormal() self.repaint() def display(self): current = QtCore.QTime.currentTime() self.hour.display(current.toString(‘HH:mm:ss‘)) def showNormal(self): super(LcdTime, self).showNormal() self.repaint() def central(self): screen = QtGui.QDesktopWidget().screenGeometry() size = self.geometry() self.move(screen.width() - size.width(), 0) app = QtGui.QApplication(sys.argv) lcd = LcdTime() lcd.show() sys.exit(app.exec_())
时间： 2024-08-06 16:04:11