1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171 | #!/usr/bin/python
# -*- coding: utf-8 -*-
"""
Author: Zhiqiang Ren
last modified: Sep. 2013
"""
import Tkinter as tk
from Tkinter import Frame, Button, Entry, Text, Label, Message
import echoclient as ec
import struct
class Client(Frame):
def __init__(self, parent):
Frame.__init__(self, parent, relief=tk.RAISED, borderwidth=10)
self.parent = parent
self.initUI()
def initUI(self):
self.parent.title("Client")
frame = Frame(self, relief=tk.RAISED, borderwidth=1)
# The width of the first column gets almost no change.
frame.columnconfigure(0, pad=10, weight=1)
frame.columnconfigure(1, pad=10, weight=1000)
lbl_addr = Label(frame, text="Address")
lbl_addr.grid(row=0,column=0, sticky=tk.W+tk.S)
lbl_port = Label(frame, text="Port")
lbl_port.grid(row=0,column=1, sticky=tk.W+tk.S)
ent_addr = Entry(frame, width=15)
ent_addr.grid(row=1,column=0, sticky=tk.W+tk.N)
ent_port = Entry(frame, width=6)
ent_port.grid(row=1,column=1, sticky=tk.W+tk.N)
lbl_msg = Label(frame, text="Input Message", anchor=tk.E)
lbl_msg.grid(row=2,column=0, sticky=tk.W+tk.S)
ent_msg = Text(frame, width=30, height=4)
ent_msg.grid(row=3,column=0, columnspan=2, sticky=tk.W+tk.E+tk.N) # sticky can be used to expand
lbl_num = Label(frame, text="Input Number")
lbl_num.grid(row=4,column=0, sticky=tk.W+tk.S)
ent_num = Entry(frame, width=6)
ent_num.grid(row=5,column=0, sticky=tk.W+tk.N)
# ======================
ret_indicator = tk.StringVar()
ret_indicator.set("Result")
lab_res = Label(frame, textvariable=ret_indicator)
lab_res.grid(row=6,column=0, sticky=tk.W+tk.S)
var_res = tk.StringVar()
msg_res = Message(frame,textvariable=var_res, width=500)
msg_res.grid(row=7,column=0, columnspan=2,sticky=tk.W+tk.E+tk.N)
frame.pack(side=tk.LEFT, fill=tk.BOTH, expand=1)
def connect():
self.addr = ent_addr.get()
portStr = ent_port.get()
if self.addr == "":
self.addr = "localhost"
if portStr == "":
self.port = 50000
else:
self.port = int(portStr)
(ret, info) = ec.connect(self.addr, self.port)
if ret == 0:
ret_indicator.set("Connection Succeeded")
self.conn = info
var_res.set("")
else:
ret_indicator.set("Connection Failed")
var_res.set(info)
def sendMsg():
msg = ent_msg.get("0.0", tk.END)[0:-1]
print "msg to be sent is: " + repr(msg)
(ret, info) = ec.sendMsg(self.conn, msg.encode('utf-8'))
if ret == 0:
ret_indicator.set("Send Succeeded")
var_res.set("")
else:
ret_indicator.set("Send Failed")
var_res.set(info)
def sendNum():
msg = ent_num.get()
print "msg to be sent is: " + repr(msg)
(ret, info) = ec.sendNum(self.conn, int(msg))
if ret == 0:
ret_indicator.set("Send Succeeded")
var_res.set("")
else:
ret_indicator.set("Send Failed")
var_res.set(info)
def recvMsg():
(ret, info) = ec.recvMsg(self.conn)
if ret == 0:
ret_indicator.set("Receive Succeeded")
else:
ret_indicator.set("Receive Failed")
var_res.set(info)
def close():
(ret, info) = ec.close(self.conn)
if ret == 0:
ret_indicator.set("Close Succeeded")
var_res.set("")
else:
ret_indicator.set("Close Failed")
var_res.set(info)
frame2 = Frame(self, relief=tk.RAISED, borderwidth=1)
"""Buttoms are always in the middle."""
frame2.columnconfigure(0, pad=10, weight=1)
frame2.rowconfigure(0, weight=1000)
frame2.rowconfigure(1, weight=1)
frame2.rowconfigure(2, weight=1)
frame2.rowconfigure(3, weight=1)
frame2.rowconfigure(4, weight=1)
frame2.rowconfigure(5, weight=1)
frame2.rowconfigure(6, weight=1000)
but_conn = Button(frame2, text="Connect", command=connect)
but_conn.grid(row=1,column=0, sticky=tk.W+tk.E)
but_send_msg = Button(frame2, text="Send Message", command=sendMsg)
but_send_msg.grid(row=2,column=0, sticky=tk.W+tk.E)
but_send_num = Button(frame2, text="Send Number", command=sendNum)
but_send_num.grid(row=3,column=0, sticky=tk.W+tk.E)
but_recv = Button(frame2, text="Receive", command=recvMsg)
but_recv.grid(row=4,column=0, sticky=tk.W+tk.E)
but_close = Button(frame2, text="Close", command=close)
but_close.grid(row=5,column=0, sticky=tk.W+tk.E)
frame2.pack(side=tk.LEFT, fill=tk.BOTH,expand=1)
# expand=1 cannot be omitted
self.pack(fill=tk.BOTH, expand=1)
def main():
root = tk.Tk()
# root.geometry("300x200+300+300")
root.geometry("+500+500")
app = Client(root)
root.mainloop()
if __name__ == '__main__':
main()
|