#!/usr/bin/env python# -*- coding: utf-8 -*-'''Created on 2012-4-6 @author: wangxiao'''import sysfrom PyQt4 import QtGui, QtCore from PyQt4.QtCore import Qtfrom PyQt4.QtCore import QPointfrom PyQt4.QtCore import QTimerfrom PyQt4.QtCore import QTime from PyQt4.QtGui import QPainterfrom PyQt4.QtGui import QColor from PyQt4.QtGui import QPolygonfrom PyQt4.QtCore import SIGNAL as signalclass Clock(QtGui.QWidget): ''' classdocs ''' def __init__(self): ''' Constructor ''' super(Clock, self).__init__() self.hourColor = QColor(127, 0, 127); self.minuteColor = QColor(0, 127, 127, 191) self.secondColor = QColor(127, 127, 0, 120) self.initUI() self.timer = QTimer() self.timer.timeout.connect(self.update) self.timer.start(30) self.show() def handChange(self): self.side = min(self.width(), self.height()) self.hand = (max(self.side / 200, 4), max(self.side / 100, 8), max(self.side / 40, 30)) self.hourHand = QPolygon([QPoint(self.hand[0], self.hand[1]), QPoint(-self.hand[0], self.hand[1]), QPoint(0, -self.hand[2])]) self.minuteHand = QPolygon([QPoint(self.hand[0], self.hand[1]), QPoint(-self.hand[0], self.hand[1]), QPoint(0, -self.hand[2] * 2)]) self.secondHand = QPolygon([QPoint(self.hand[0], self.hand[1]), QPoint(-self.hand[0], self.hand[1]), QPoint(0, -self.hand[2] * 3)]) def set_transparency(self, enabled): if enabled: self.setAutoFillBackground(False) else: self.setAttribute(Qt.WA_NoSystemBackground, False) # 下面这种方式好像不行# pal=QtGui.QPalette()# pal.setColor(QtGui.QPalette.Background, QColor(127, 127,10,120))# self.setPalette(pal) self.setAttribute(Qt.WA_TranslucentBackground, enabled) self.repaint() def initUI(self): self.setGeometry(300, 300, 300, 200) self.setWindowTitle('Clock') self.handChange() self.rightButton = False # 下面两个配合实现窗体透明和置顶 sizeGrip = QtGui.QSizeGrip(self) self.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint | Qt.SubWindow) # self.setMouseTracking(True); self.trans = True self.set_transparency(True) quitAction = QtGui.QAction(QtGui.QIcon('quit.png'), '&Quit', self) self.connect(quitAction, signal("triggered()"), QtGui.qApp.quit) backAction = QtGui.QAction('&Back', self) self.connect(backAction, signal("triggered()"), self.backClicked) self.popMenu = QtGui.QMenu() self.popMenu.addAction(quitAction) self.popMenu.addAction(backAction) def resizeEvent(self, e): self.handChange() def backClicked(self): if self.trans == True : self.trans = False self.set_transparency(False) else: self.trans = True self.set_transparency(True) def mouseReleaseEvent(self, e): if self.rightButton == True: self.rightButton = False self.popMenu.popup(e.globalPos()) def mouseMoveEvent(self, e): if e.buttons() & Qt.LeftButton: self.move(e.globalPos() - self.dragPos) e.accept() def mousePressEvent(self, e): if e.button() == Qt.LeftButton: self.dragPos = e.globalPos() - self.frameGeometry().topLeft() e.accept() if e.button() == Qt.RightButton and self.rightButton == False: self.rightButton = True def paintEvent(self, e): time = QTime.currentTime() qp = QPainter() qp.begin(self) # qp.setRenderHint(QPainter.Antialiasing) # 开启这个抗锯齿,会很占cpu的! qp.translate(self.width() / 2, self.height() / 2) qp.scale(self.side / 200.0, self.side / 200.0) qp.setPen(QtCore.Qt.NoPen) qp.setBrush(self.hourColor) qp.save() qp.rotate(30.0 * ((time.hour() + time.minute() / 60.0))) qp.drawConvexPolygon(self.hourHand) qp.restore() qp.setPen(self.hourColor) for i in range(12): qp.drawLine(88, 0, 96, 0) qp.rotate(30.0) qp.setPen(QtCore.Qt.NoPen) qp.setBrush(self.minuteColor) qp.save() qp.rotate(6.0 * ((time.minute() + (time.second() + time.msec() / 1000.0) / 60.0))) qp.drawConvexPolygon(self.minuteHand) qp.restore() qp.setPen(self.minuteColor) for i in range(60): if (i % 5) is not 0: qp.drawLine(92, 0, 96, 0) qp.rotate(6.0) qp.setPen(QtCore.Qt.NoPen) qp.setBrush(self.secondColor) qp.save() qp.rotate(6.0 * (time.second() + time.msec() / 1000.0)) qp.drawConvexPolygon(self.secondHand) qp.restore() qp.end() if __name__ == '__main__': app = QtGui.QApplication(sys.argv) clock = Clock() sys.exit(app.exec_())