#!/usr/bin/python
# coding: utf-8
 
import sys
from PySide import QtGui,QtCore
 
class Holst(QtGui.QWidget):
	def __init__(self):
		QtGui.QWidget.__init__(self)
		self.setWindowFlags(QtCore.Qt.X11BypassWindowManagerHint | QtCore.Qt.WindowStaysOnTopHint)
		self.setGeometry(QtGui.QDesktopWidget().screenGeometry())
		self.setWindowOpacity(0.99) 
		self._maska = QtGui.QBitmap(self.width(), self.height())
		self._maska.fill(QtCore.Qt.color0)
		self.setMask(self._maska)
		self.setMouseTracking(True)
		self.show()
	 
	def mouseMoveEvent(self, event):
		print event.globalX(), event.globalY()
		event.accept()
	 
	def mousePressEvent(self, event):
		print "Press"
		event.accept()
	 
	def mouseReleaseEvent(self, event):
		print "Release"
		event.accept()
	 
	def paintEvent(self, event):
		polygon = QtGui.QPolygon()
		polygon.append(QtCore.QPoint(0, 0))
		polygon.append(QtCore.QPoint(self.width(), self.height()))
		polygon.append(QtCore.QPoint(self.width(), 0))
		 
		painter = QtGui.QPainter(self._maska)
		painter.setBrush(QtGui.QBrush(QtCore.Qt.red))
		painter.drawPolygon(polygon)
		painter.end()
		self.setMask(self._maska)
		 
		painter = QtGui.QPainter(self)
		painter.setBrush(QtGui.QBrush(QtCore.Qt.red))
		painter.drawPolygon(polygon)
		painter.end()
 
if __name__ == "__main__":
	app = QtGui.QApplication(sys.argv)
	win = Holst()
	app.exec_()