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"""Main Pynche (Pythonically Natural Color and Hue Editor) widget.
This window provides the basic decorations, primarily including the menubar.
It is used to bring up other windows.
"""
import sys
from Tkinter import *
import tkMessageBox
# Milliseconds between interrupt checks
KEEPALIVE_TIMER = 500
class PyncheWidget:
def __init__(self, version, switchboard):
self.__sb = switchboard
self.__version = version
self.__textwin = None
self.__listwin = None
self.__detailswin = None
# 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.grid(row=0, column=0, columnspan=2, sticky='EW')
#
# 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)
#
# View menu
#
viewbtn = Menubutton(menubar, text='View',
underline=0)
viewbtn.pack(side=LEFT)
viewmenu = Menu(viewbtn, tearoff=0)
viewbtn['menu'] = viewmenu
viewmenu.add_command(label='Text Window...',
command=self.__popup_text,
underline=0)
viewmenu.add_command(label='Color List Window...',
command=self.__popup_listwin,
underline=0)
viewmenu.add_command(label='Details Window...',
command=self.__popup_details,
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_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''')
def __popup_text(self, event=None):
if not self.__textwin:
from TextViewer import TextViewer
self.__textwin = TextViewer(self.__sb, self.__root)
self.__sb.add_view(self.__textwin)
self.__textwin.deiconify()
def __popup_listwin(self, event=None):
if not self.__listwin:
from ListViewer import ListViewer
self.__listwin = ListViewer(self.__sb, self.__root)
self.__sb.add_view(self.__listwin)
self.__listwin.deiconify()
def __popup_details(self, event=None):
if not self.__detailswin:
from DetailsViewer import DetailsViewer
self.__detailswin = DetailsViewer(self.__sb, self.__root)
self.__sb.add_view(self.__detailswin)
self.__detailswin.deiconify()
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