#!/usr/bin/python
# -*- coding: utf-8 -*-

"""
ZetCode PyQt4 tutorial

In this example, we draw text in Russian azbuka.

author: Jan Bodnar
website: zetcode.com
last edited: September 2011
"""

import sys
from PyQt4 import QtGui, QtCore

class Example(QtGui.QWidget):

    def __init__(self, draw = False, x=10,y=10):
        super(Example, self).__init__()
        self.draw = draw
        self.x = x
        self.y = y

        self.initUI()

    def initUI(self):

        #sld = QtGui.QSlider(QtCore.Qt.Horizontal, self)
        #sld.setFocusPolicy(QtCore.Qt.NoFocus)
        #sld.setGeometry(30, 40, 100, 30)
        #sld.valueChanged[int].connect(self.changeValue)

        self.label = QtGui.QLabel(self)
        #self.label.setPixmap(QtGui.QPixmap('pic.png'))
        self.label.setGeometry(160, 40, 80, 30)

        self.setGeometry(300, 300, 280, 170)
        self.setWindowTitle('Title')
        #self.update()
        #self.show()

    def mousePressEvent(self, event):
        if event.button() == QtCore.Qt.LeftButton:
            self.draw = True
            event.accept()
            self.update()
            self.x = event.pos().x()
            self.y = event.pos().y()
        else:
            QWidget.mousePressEvent(self, event)

    def mouseReleaseEvent(self, event):
        if event.button() == QtCore.Qt.LeftButton:
            self.draw = False
            event.accept()
        else:
            QWidget.mousePressEvent(self, event)

    def mouseMoveEvent(self, event):
        event.accept()
        self.x = event.pos().x()
        self.y = event.pos().y()
        self.update()


    def paintEvent(self, event):
        if self.draw:
            img = QtGui.QPixmap(QtCore.QSize(400,400))
            imgpainter = QtGui.QPainter(img)
            imgpainter.begin(self)
            imgpainter.setPen(QtGui.QColor(0,0,0))
            imgpainter.setBrush(QtGui.QColor(0,0,0))
            imgpainter.fillRect(self.x,self.y,5,7, QtGui.QColor(0,0,0))
            #self.label = QtGui.QLabel(self)
            #self.label.setPixmap( img)

            imgpainter.end()
            qp = QtGui.QPainter()
            qp.begin(self)
            qp.drawPixmap(QtCore.QPointF(30, 0),img)
            qp.end()

def main():

    app = QtGui.QApplication(sys.argv)
    ex = Example()
    sys.exit(app.exec_())


if __name__ == '__main__':
    main()


ex = Example()
ex.show()