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■PyQt4でのスレッドによるアニメーション

	
	import sys
	import time
	import thread  # from Python 3.0 _thread instead of thread
	from PyQt4.QtCore import *
	from PyQt4.QtGui import *
	
	class ThreadSample(QWidget):
		rectx = 0
	
		def __init__(self,parent=None):
			QWidget.__init__(self, parent)
	
			self.setWindowTitle( "Thread Sample")
			self.resize( 300, 300 )
			thread.start_new_thread( self.runner, (self, None) )
			# from Python 3.0 _thread instead of thread
	
		def paintEvent(self,event):
			paint = QPainter()
			paint.begin(self)
			paint.setPen(Qt.red)
			paint.drawRect(self.rectx, 10, 50, 50 )
			paint.drawText( 300-self.rectx, 100, time.ctime())
			paint.end()
	
		def runner( self, arg1, arg2 ):
			for i in range( 100 ):
				self.rectx += 10
				if self.rectx >= 300:
					self.rectx = 10
				self.update()
				time.sleep(0.5)
			thread.exit()  # from Python 3.0 _thread.exit( )
	
	app = QApplication(sys.argv)
	sample = ThreadSample()
	sample.show()
	sys.exit(app.exec_())