110 lines
2.9 KiB
Python
Executable File
110 lines
2.9 KiB
Python
Executable File
#! /usr/bin/env python
|
|
|
|
# A Python function that generates dialog boxes with a text message,
|
|
# optional bitmap, and any number of buttons.
|
|
# Cf. Ousterhout, Tcl and the Tk Toolkit, Figs. 27.2-3, pp. 269-270.
|
|
|
|
from Tkinter import *
|
|
import sys
|
|
|
|
|
|
def dialog(master, title, text, bitmap, default, *args):
|
|
|
|
# 1. Create the top-level window and divide it into top
|
|
# and bottom parts.
|
|
|
|
w = Toplevel(master, class_='Dialog')
|
|
w.title(title)
|
|
w.iconname('Dialog')
|
|
|
|
top = Frame(w, relief=RAISED, borderwidth=1)
|
|
top.pack(side=TOP, fill=BOTH)
|
|
bot = Frame(w, relief=RAISED, borderwidth=1)
|
|
bot.pack(side=BOTTOM, fill=BOTH)
|
|
|
|
# 2. Fill the top part with the bitmap and message.
|
|
|
|
msg = Message(top, width='3i', text=text,
|
|
font='-Adobe-Times-Medium-R-Normal-*-180-*')
|
|
msg.pack(side=RIGHT, expand=1, fill=BOTH, padx='3m', pady='3m')
|
|
if bitmap:
|
|
bm = Label(top, bitmap=bitmap)
|
|
bm.pack(side=LEFT, padx='3m', pady='3m')
|
|
|
|
# 3. Create a row of buttons at the bottom of the dialog.
|
|
|
|
var = IntVar()
|
|
buttons = []
|
|
i = 0
|
|
for but in args:
|
|
b = Button(bot, text=but, command=lambda v=var,i=i: v.set(i))
|
|
buttons.append(b)
|
|
if i == default:
|
|
bd = Frame(bot, relief=SUNKEN, borderwidth=1)
|
|
bd.pack(side=LEFT, expand=1, padx='3m', pady='2m')
|
|
b.lift()
|
|
b.pack (in_=bd, side=LEFT,
|
|
padx='2m', pady='2m', ipadx='2m', ipady='1m')
|
|
else:
|
|
b.pack (side=LEFT, expand=1,
|
|
padx='3m', pady='3m', ipady='2m', ipady='1m')
|
|
i = i+1
|
|
|
|
# 4. Set up a binding for <Return>, if there's a default,
|
|
# set a grab, and claim the focus too.
|
|
|
|
if default >= 0:
|
|
w.bind('<Return>',
|
|
lambda e, b=buttons[default], v=var, i=default:
|
|
(b.flash(),
|
|
v.set(i)))
|
|
|
|
oldFocus = w.focus_get()
|
|
w.grab_set()
|
|
w.focus_set()
|
|
|
|
# 5. Wait for the user to respond, then restore the focus
|
|
# and return the index of the selected button.
|
|
|
|
w.waitvar(var)
|
|
w.destroy()
|
|
if oldFocus: oldFocus.focus_set()
|
|
return var.get()
|
|
|
|
# The rest is the test program.
|
|
|
|
def go():
|
|
i = dialog(mainWidget,
|
|
'Not Responding',
|
|
"The file server isn't responding right now; "
|
|
"I'll keep trying.",
|
|
'',
|
|
-1,
|
|
'OK')
|
|
print 'pressed button', i
|
|
i = dialog(mainWidget,
|
|
'File Modified',
|
|
'File "tcl.h" has been modified since '
|
|
'the last time it was saved. '
|
|
'Do you want to save it before exiting the application?',
|
|
'warning',
|
|
0,
|
|
'Save File',
|
|
'Discard Changes',
|
|
'Return To Editor')
|
|
print 'pressed button', i
|
|
|
|
def test():
|
|
import sys
|
|
global mainWidget
|
|
mainWidget = Frame()
|
|
Pack.config(mainWidget)
|
|
start = Button(mainWidget, text='Press Here To Start', command=go)
|
|
start.pack()
|
|
endit = Button(mainWidget, text="Exit", command=sys.exit)
|
|
endit.pack(fill=BOTH)
|
|
mainWidget.mainloop()
|
|
|
|
if __name__ == '__main__':
|
|
test()
|