#! /us/bin/env python

from PyQt4 import QtCore, QtGui

class AMovableLabel(QtGui.QLabel):

    def __init__(self, parent=None):

        super(AMovableLabel, self).__init__(parent)

        self.parent = parent

        self.mouseX = False

        self.mouseY = False

    def mouseDoubleClickEvent(self, ev):

        self.parent.maximize()

    def mousePressEvent(self, ev):

        self.mouseX = ev.globalX()

        self.origX = self.parent.x()

        self.mouseY = ev.globalY()

        self.origY = self.parent.y()

    def mouseMoveEvent(self, ev):

        if self.mouseX and self.mouseY and not self.parent.isMaximized():

            self.parent.move(self.origX + ev.globalX() - self.mouseX,

self.origY + ev.globalY() - self.mouseY)

    def mouseReleaseEvent(self, ev):

        self.mouseX = False

        self.mouseY = False

class AMovableWindow(QtGui.QMainWindow):

    def __init__(self, parent=None, hints = QtCore.Qt.Widget):

        super(AMovableWindow, self).__init__(parent, hints)

        self.parent = parent

        self.mouseX = False

        self.mouseY = False

    def minimize(self):

        self.setWindowState(QtCore.Qt.WindowMinimized)

    def maximize(self):

        if self.isMaximized():

            self.setWindowState(QtCore.Qt.WindowNoState)

        else:

            self.setWindowState(QtCore.Qt.WindowMaximized)

    def mousePressEvent(self, ev):

        self.mouseX = ev.globalX()

        self.origX = self.x()

        self.mouseY = ev.globalY()

        self.origY = self.y()

    def mouseMoveEvent(self, ev):

        if self.mouseX and self.mouseY and not self.isMaximized():

            self.move(self.origX + ev.globalX() - self.mouseX,

self.origY + ev.globalY() - self.mouseY)

    def mouseReleaseEvent(self, ev):

        self.mouseX = False

        self.mouseY = False