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#!/usr/bin/env python
import Tkinter
import threading
import subprocess
class App(object):
def __init__(self, parent):
self.parent = parent
self.canvas = Tkinter.Canvas(root, width=300, height=300)
self.canvas.pack()
self.rect = self.canvas.create_rectangle(0, 0, 300, 300, fill='yellow')
self.run_button = Tkinter.Button(parent, text='Start grabbing', command=self.run_click)
self.run_button.pack()
def run_grab(self):
proc = subprocess.Popen(['./grab'])
proc.wait()
self.canvas.itemconfig(self.rect, fill='red')
self.run_button.config(state=Tkinter.NORMAL, text='Close', command=self.parent.destroy)
def run_click(self):
self.canvas.itemconfig(self.rect, fill='green')
self.run_button.config(state=Tkinter.DISABLED)
thread = threading.Thread(None, self.run_grab)
thread.start()
if __name__ == '__main__':
root = Tkinter.Tk()
app = App(root)
root.mainloop()
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