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"""Main Pynche (Pythonically Natural Color and Hue Editor) widget.
"""
import sys
from Tkinter import *
import tkMessageBox
# Milliseconds between interrupt checks
KEEPALIVE_TIMER = 500
class PyncheWidget:
def __init__(self, version):
# create the first and top window
root = self.__root = Tk(className='Pynche')
root.protocol('WM_DELETE_WINDOW', self.__quit)
root.title('Pynche %s' % version)
root.iconname('Pynche')
root.tk.createtimerhandler(KEEPALIVE_TIMER, self.__keepalive)
#
# create the menubar
#
menubar = self.__menubar = Frame(root, relief=RAISED, borderwidth=2)
menubar.pack(fill=X)
#
# File menu
#
filebtn = Menubutton(menubar, text='File',
underline=0)
filebtn.pack(side=LEFT)
filemenu = Menu(filebtn, tearoff=0)
filebtn['menu'] = filemenu
filemenu.add_command(label='Quit',
command=self.__quit,
accelerator='Alt-Q',
underline=0)
root.bind('<Alt-q>', self.__quit)
root.bind('<Alt-Q>', self.__quit)
#
# Edit Menu
#
editbtn = Menubutton(menubar, text='Edit',
underline=0)
editbtn.pack(side=LEFT)
editmenu = Menu(editbtn, tearoff=0)
editbtn['menu'] = editmenu
editmenu.add_command(label='Options...',
command=self.__popup_options,
underline=0)
#
# Help menu
#
helpbtn = Menubutton(menubar, text='Help',
underline=0)
helpbtn.pack(side=RIGHT)
helpmenu = Menu(helpbtn, tearoff=0)
helpbtn['menu'] = helpmenu
helpmenu.add_command(label='About...',
command=self.__popup_about,
underline=0)
def __keepalive(self):
# Exercise the Python interpreter regularly so keyboard interrupts get
# through.
self.__root.tk.createtimerhandler(KEEPALIVE_TIMER, self.__keepalive)
def __quit(self, event=None):
sys.exit(0)
def start(self):
self.__keepalive()
self.__root.mainloop()
def parent(self):
return self.__root
def __popup_options(self, event=None):
print 'Options...'
def __popup_about(self, event=None):
tkMessageBox.showinfo('About Pynche 1.0',
'''\
Pynche -- the PYthonically
Natural Color and Hue Editor
Copyright (C) 1998
Barry A. Warsaw
All rights reserved
For information about Pynche
contact: Barry A. Warsaw
email: bwarsaw@python.org''')
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