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QtClock.py
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QtClock.py
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#coding=utf-8
'''
Created on 2012-4-6
@author: 大孟
'''
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=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_())