Dialog with an animated show event

animDialog.py

from PyQt4 import QtCore, QtGui

class AnimatedDialog(QtGui.QDialog):

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

		self.text = QtGui.QLineEdit(self)
		self.text.move(20,20)


	def showEvent(self, event):
		size = self.size()
		start_size = QtCore.QSize(size.width(), 0)
		self.resize(start_size)

		anim = QtCore.QPropertyAnimation(self, 'size', self)
		anim.setStartValue(start_size)
		anim.setEndValue(size)
		anim.setDuration(700)

		self.show()
		anim.start()

		event.accept()


if __name__ == "__main__":
	app = QtGui.QApplication([])
	win = AnimatedDialog()
	win.resize(300,100)
	win.show()
	win.raise_()
	app.exec_()

shakeyDialog.py

from PyQt4 import QtCore, QtGui

class AnimatedDialog(QtGui.QDialog):

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

		self.text = QtGui.QLineEdit(self)
		self.text.move(20,20)
		
		self._shaker = QtCore.QPropertyAnimation(self, 'pos', self)
		self._shaker.setDuration(300)

		self.text.returnPressed.connect(self.shakey)


	def showEvent(self, event):
		size = self.size()
		start_size = QtCore.QSize(size.width(), 0)
		self.resize(start_size)

		anim = QtCore.QPropertyAnimation(self, 'size', self)
		anim.setStartValue(start_size)
		anim.setEndValue(size)
		anim.setDuration(100)

		self.show()
		anim.start()

		event.accept()

	def shakey(self):
		pos = self.pos()
		shaker = self._shaker

		shaker.setStartValue(pos)
		shaker.setEndValue(pos)

		pos.setX(pos.x()+20)
		shaker.setKeyValueAt(.2, pos)
		shaker.setKeyValueAt(.6, pos)

		pos.setX(pos.x()-40)
		shaker.setKeyValueAt(.4, pos)
		shaker.setKeyValueAt(.8, pos)

		shaker.start()


if __name__ == "__main__":
	app = QtGui.QApplication([])
	win = AnimatedDialog()
	win.resize(300,100)
	win.show()
	win.raise_()
	app.exec_()