sawine@7: import Tkinter as tk
sawine@7: from grid import Grid
sawine@7: 
sawine@7: class Render(object):
sawine@7: 	def __init__(self, title, width, height):
sawine@7: 		self.title = title		
sawine@7: 		self.width = width
sawine@7: 		self.height = height
sawine@7: 		self.root = tk.Tk(className=title, sync=1)
sawine@7: 		self.canvas = tk.Canvas(width=self.width, height=self.height, bg="black")
sawine@7: 		self.canvas.pack(expand=tk.YES, fill=tk.BOTH)
sawine@7: 	def render(self, grid):
sawine@7: 		offset = (self.width / 2, self.height / 2)
sawine@7: 		size = 1
sawine@7: 		cell_ids = []
sawine@7: 		for pos in grid.cells.iterkeys():
sawine@7: 			x = pos[0] + offset[0]
sawine@7: 			y = pos[1] + offset[1]
sawine@7: 			cell_id = self.canvas.create_rectangle(x, y, x+size, y+size, 
sawine@7: 					fill="yellow", width=0)
sawine@7: 			cell_ids.append(cell_id)
sawine@7: 		self.root.update()
sawine@7: 		for cell_id in cell_ids:
sawine@7: 			self.canvas.delete(cell_id)
sawine@7: 
sawine@7: import sys
sawine@7: import time
sawine@7: import gridmarshal as marshal
sawine@7: import os, stat
sawine@7: 
sawine@7: def main():
sawine@7: 	filename = sys.argv[1]
sawine@7: 	print "rendering ", filename	
sawine@7: 	render = Render("hope", 800, 800)
sawine@7: 	mod_time = 0
sawine@7: 	while True:
sawine@7: 		current = os.stat(filename)[stat.ST_MTIME]
sawine@7: 		if current > mod_time:
sawine@7: 			mod_time = current
sawine@7: 			print "updating render"
sawine@7: 			try:
sawine@7: 				grid = marshal.loadGrid(filename)
sawine@7: 				render.render(grid)
sawine@7: 			except IndexError, ValueError:
sawine@7: 				print "loading error"
sawine@7: 		time.sleep(1)
sawine@7: 
sawine@7: if __name__ == "__main__":
sawine@7: 	main()