2019独角兽企业重金招聘Python工程师标准>>> 
#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
Created on 2012-4-6@author: wangxiao
'''
import sys
from PyQt4 import QtGui, QtCore
from PyQt4.QtCore import Qt
from PyQt4.QtCore import QPoint
from PyQt4.QtCore import QTimer
from PyQt4.QtCore import QTime
from PyQt4.QtGui import QPainter
from PyQt4.QtGui import QColor
from PyQt4.QtGui import QPolygon
from PyQt4.QtCore import SIGNAL as signal
class 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 = Trueself.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 = Trueself.set_transparency(True)def mouseReleaseEvent(self, e): if self.rightButton == True:self.rightButton = Falseself.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 = Truedef 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_())
