#!/usr/bin/env python


#############################################################################
##
## Copyright (C) 2010 Riverbank Computing Limited.
## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
## All rights reserved.
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:BSD$
## You may use this file under the terms of the BSD license as follows:
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## modification, are permitted provided that the following conditions are
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##   * Redistributions of source code must retain the above copyright
##     notice, this list of conditions and the following disclaimer.
##   * Redistributions in binary form must reproduce the above copyright
##     notice, this list of conditions and the following disclaimer in
##     the documentation and/or other materials provided with the
##     distribution.
##   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
##     the names of its contributors may be used to endorse or promote
##     products derived from this software without specific prior written
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## $QT_END_LICENSE$
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#############################################################################


from PyQt4 import QtCore, QtGui


class AnalogClock(QtGui.QWidget):
    hourHand = QtGui.QPolygon([
        QtCore.QPoint(7, 8),
        QtCore.QPoint(-7, 8),
        QtCore.QPoint(0, -40)
    ])

    minuteHand = QtGui.QPolygon([
        QtCore.QPoint(7, 8),
        QtCore.QPoint(-7, 8),
        QtCore.QPoint(0, -70)
    ])

    hourColor = QtGui.QColor(127, 0, 127)
    minuteColor = QtGui.QColor(0, 127, 127, 191)

    def __init__(self, parent=None):
        super(AnalogClock, self).__init__(parent)

        timer = QtCore.QTimer(self)
        timer.timeout.connect(self.update)
        timer.start(1000)

        self.setWindowTitle("Analog Clock")
        self.resize(200, 200)

    def paintEvent(self, event):
        side = min(self.width(), self.height())
        time = QtCore.QTime.currentTime()

        painter = QtGui.QPainter(self)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)
        painter.translate(self.width() / 2, self.height() / 2)
        painter.scale(side / 200.0, side / 200.0)

        painter.setPen(QtCore.Qt.NoPen)
        painter.setBrush(AnalogClock.hourColor)

        painter.save()
        painter.rotate(30.0 * ((time.hour() + time.minute() / 60.0)))
        painter.drawConvexPolygon(AnalogClock.hourHand)
        painter.restore()

        painter.setPen(AnalogClock.hourColor)

        for i in range(12):
            painter.drawLine(88, 0, 96, 0)
            painter.rotate(30.0)

        painter.setPen(QtCore.Qt.NoPen)
        painter.setBrush(AnalogClock.minuteColor)

        painter.save()
        painter.rotate(6.0 * (time.minute() + time.second() / 60.0))
        painter.drawConvexPolygon(AnalogClock.minuteHand)
        painter.restore()

        painter.setPen(AnalogClock.minuteColor)

        for j in range(60):
            if (j % 5) != 0:
                painter.drawLine(92, 0, 96, 0)
            painter.rotate(6.0)


if __name__ == '__main__':

    import sys

    app = QtGui.QApplication(sys.argv)
    clock = AnalogClock()
    clock.show()
    sys.exit(app.exec_())
