pytqt/examples2/aclock.py

#!/usr/bin/env python

import sys
from python_tqt.qt import *

def TQMIN(x, y):
  if y > x: return y
  return x
class AnalogClock(TQWidget):
  def __init__(self, *args):
    apply(TQWidget.__init__,(self,) + args)
    self.time = TQTime.currentTime()
    internalTimer = TQTimer(self)
    self.connect(internalTimer, SIGNAL("timeout()"), self.timeout)
    internalTimer.start(5000)

  def timeout(self):
    new_time = TQTime.currentTime()
    if new_time.minute() != self.time.minute():
      self.update()
  
  def paintEvent(self, qe):
    if not self.isVisible():
      return
    self.time = TQTime.currentTime()

    pts = TQPointArray()
    paint = TQPainter(self)
    paint.setBrush(self.foregroundColor())

    cp = TQPoint(self.rect().center())
    d = TQMIN(self.width(), self.height())
    matrix = TQWMatrix()
    matrix.translate(cp.x(), cp.y())
    matrix.scale(d/1000.0, d/1000.0)

    h_angle = 30*(self.time.hour()%12 - 3) + self.time.minute()/2
    matrix.rotate(h_angle)
    paint.setWorldMatrix(matrix)
    pts.setPoints([-20,0,0,-20,300,0,0,20])
    paint.drawPolygon(pts)
    matrix.rotate(-h_angle)

    m_angle = (self.time.minute()-15)*6
    matrix.rotate(m_angle)
    paint.setWorldMatrix(matrix)
    pts.setPoints([-10,0,0,-10,400,0,0,10])
    paint.drawPolygon(pts)
    matrix.rotate(-m_angle)

    for i in range(0,12):
      paint.setWorldMatrix(matrix)
      paint.drawLine(450,0, 500,0)
      matrix.rotate(30)

a = TQApplication(sys.argv)
clock = AnalogClock()
clock.resize(100,100)
a.setMainWidget(clock)
clock.show()
a.exec_loop()