1 from Tkinter import *
2 import ttk
3 import threading
4 import random
5 import time
6
7 class PgBarFrm(Frame):
8 def __init__(self, root, max_len):
9 self.root = root
10 Frame.__init__(self, root)
11
12 self.pb_val = IntVar() # pbar variable
13 self.pb_max = max_len # pbar maximum
14
15 self.lb_str = StringVar() # label string
16 self.update_label()
17
18 self.pack(side=TOP, expand=1, fill=X)
19
20 self.initUI()
21
22 def initUI(self):
23 self.label = Label(self, textvariable=self.lb_str)
24 self.label.pack(side=LEFT)
25
26 self.pbar = ttk.Progressbar(self, length=300, maximum=self.pb_max, variable=self.pb_val)
27 self.pbar.pack(side=LEFT, expand=1, fill=BOTH)
28
29 def update_label(self):
30 self.lb_str.set('%d/%d' % (self.pb_val.get(), self.pb_max))
31
32 def clear(self):
33 self.pb_val.set(0)
34 self.update_label()
35
36 def step(self):
37 new_val = (self.pb_val.get()+1)
38 if new_val>self.pb_max:
39 self.clear()
40 self.step()
41 else:
42 self.pb_val.set(new_val)
43 self.update_label()
44
45
46
47 class DualWork:
48 def __init__(self):
49 self.N1 = 5
50 self.N2 = 7
51 self.frm1 = PgBarFrm(root, self.N1)
52 self.frm2 = PgBarFrm(root, self.N2)
53
54 def work(self):
55 for i in xrange(self.N1):
56 for j in xrange(self.N2):
57 rnd_t = random.uniform(0, 1)
58 print threading.currentThread().getName(), i, j, rnd_t
59
60 self.frm2.step()
61 time.sleep(rnd_t)
62
63 self.frm1.step()
64
65 def start(self):
66 w_td = threading.Thread(target=self.work)
67 w_td.start()
68
69 if __name__=='__main__':
70 root = Tk()
71
72 w = DualWork()
73 w.start()
74
75 root.mainloop()
