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class TkPeriodicCallMixin(object):
''' periodic call '''
interval = 300
running = False
def _loop(self):
self.polling_callback()
if self.running:
self.after(self.interval, self._loop)
def polling_callback(self, *args, **kargs):
''' to be rewrite '''
print self, id(self)
def start_polling(self):
self.running = True
self._loop()
def stop_polling(self):
self.running = False
class Grid(Canvas, TkPeriodicCallMixin):
''' the drawing widgets '''
COLOR_MAP = {
0: '#FFDDDD',
8: '#FF0000',
7: '#EE3333',
6: '#DD4444',
5: '#BB5555',
4: '#996666',
3: '#CCCC00',
2: '#FFEE00',
1: '#339999'
}
def __init__(self, *args, **kargs):
kargs['width'] = 600
kargs['height'] = 400
kargs['bg'] = 'grey'
Canvas.__init__(self, *args, **kargs)
self._size = (60, 40)
self.conway_map = Conway_Map(60, 40)
self.draw()
self.start_polling()
def polling_callback(self):
self.conway_map.update()
self.draw()
def draw(self):
self.delete(ALL)
self.create_rectangle(0, 0, 600, 400, fill='grey')
self.create_rectangle(10, 10, 590, 390, fill='white')
for x in xrange(60):
self.create_line(
10+10*x,
10,
10+10*x,
390,
fill="grey",
dash=(4, 4))
for y in xrange(40):
self.create_line(
10,
10 + 10*y,
590,
10 + 10*y,
fill="grey",
dash=(4, 4))
for i in xrange(60):
for j in xrange(40):
if self.conway_map.map[i][j]:
color = self.COLOR_MAP[self.conway_map.around_count[i][j]]
self.create_rectangle(
10*i + 10,
10*j + 10,
10*i + 20,
10*j + 20,
fill=color)
def god_click(self, x, y):
'''
callback
click by the god(user), x y are clicks by the user,
'''
if x < 590 and x > 10 and y > 10 and y < 390:
i, j = (x-15)/10, (y-15)/10
self.create_rectangle(
10*i + 10,
10*j + 10,
10*i + 20,
10*j + 20,
fill='black')
self.conway_map.god_click(i, j)
def right_click(self, x, y):
'''
callback
(right click) click by the god, x y are clicks by the user,
'''
if x < 590 and x > 10 and y > 10 and y < 390:
i, j = (x-15)/10, (y-15)/10
self.create_rectangle(
10*i + 10,
10*j + 10,
10*i + 20,
10*j + 20,
fill='white')
self.conway_map.map[i][j] = 0
class GridWindow(object):
''' main window '''
def __init__(self):
self.root = Tk()
self.root.minsize(650, 450)
self.root.title("conway's game of life, python version")
descrition = u"conway 's game of life\n\
powered by Dawn http://orzdawn.com\n\n\
left click on the grid to make new lives\n\
right click to kill lives"
self.lb2 = Label(text=descrition)
self.lb2.pack()
self.grid = Grid(self.root)
self.grid.pack()
self.grid.bind("<Button-1>", self.left_click)
self.grid.bind("<B1-Motion>", self.left_click)
self.grid.bind("<Button-2>", self.right_click)
self.grid.bind("<B2-Motion>", self.right_click)
self.paused = False
self.go_pause_btn = Button(self.root,
text=u"|| pause",
command=self.go_pause)
self.go_pause_btn.pack()
self.one_step_btn = Button(self.root,
text=u'go one step',
command=self.one_step)
self.one_step_btn.pack()
self.clear_all_btn = Button(self.root,
text=u'clear all',
command=self.clear_all)
self.clear_all_btn.pack()
self.lb1 = Label(text="update interval(ms):")
self.lb1.pack()
self.speed_scale = Scale(self.root,
from_=10,
to=1000,
orient=HORIZONTAL,
command=self.speed_change)
self.speed_scale.set(300)
self.speed_scale.pack()
def speed_change(self, val):
print 'speed_scale=%r' % val
self.grid.interval = int(val)
def go_pause(self):
if self.paused:
self.grid.start_polling()
self.paused = False
self.go_pause_btn['text'] = u'|| pause'
else:
self.grid.stop_polling()
self.paused = True
self.go_pause_btn['text'] = u'> go'
def one_step(self):
self.grid.polling_callback()
def clear_all(self):
self.grid.conway_map.clear_all()
self.grid.draw()
def run(self):
self.root.mainloop()
def left_click(self, event):
print "left,mouse pos: %r,%r" % (event.x, event.y),
self.grid.god_click(event.x, event.y)
def right_click(self, event):
print "right,mouse pos: %r,%r" % (event.x, event.y),
self.grid.right_click(event.x, event.y)
class Conway_Map(object):
''' data model '''
def __init__(self, x, y):
self.size = (x, y)
self.map = [[0 for i in range(y)] for j in range(x)]
self.around_count = [[0 for i in range(y)] for j in range(x)]
print len(self.map), ' ', len(self.map[0])
def update(self):
''' update the self.map '''
self.count_map()
for i in xrange(60):
for j in xrange(40):
if self.around_count[i][j] == 2:
pass
elif self.around_count[i][j] == 3:
self.map[i][j] = 1
else:
self.map[i][j] = 0
self.count_map()
def count_map(self):
'''
count the map. store result in self.around_count
around every block, count the alive blocks around it.
'''
for i in xrange(60):
for j in xrange(40):
arounds = [
(i, (j+1) % 40),
(i, (j-1) % 40),
((i-1) % 60, j),
((i+1) % 60, j),
((i+1) % 60, (j+1) % 40),
((i+1) % 60, (j-1) % 40),
((i-1) % 60, (j+1) % 40),
((i-1) % 60, (j-1) % 40),
]
self.around_count[i][j] = 0
for i_r, j_r in arounds:
self.around_count[i][j] += self.map[i_r][j_r]
def god_click(self, x, y):
'''
callback
'''
print "grid_pos = (%d,%d)" % (x, y)
self.map[x][y] = 1
def clear_all(self):
for i in xrange(60):
for j in xrange(40):
self.map[i][j] = 0
if __name__ == "__main__":
win = GridWindow()
win.run()
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