mirror of https://github.com/python/cpython.git
101 lines
3.0 KiB
Python
101 lines
3.0 KiB
Python
"""Main Pynche (Pythonically Natural Color and Hue Editor) widget.
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"""
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import sys
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from Tkinter import *
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import tkMessageBox
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# Milliseconds between interrupt checks
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KEEPALIVE_TIMER = 500
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class PyncheWidget:
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def __init__(self, version, switchboard):
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self.__sb = switchboard
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self.__version = version
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self.__textwin = None
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# create the first and top window
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root = self.__root = Tk(className='Pynche')
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root.protocol('WM_DELETE_WINDOW', self.__quit)
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root.title('Pynche %s' % version)
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root.iconname('Pynche')
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root.tk.createtimerhandler(KEEPALIVE_TIMER, self.__keepalive)
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#
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# create the menubar
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#
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menubar = self.__menubar = Frame(root, relief=RAISED, borderwidth=2)
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menubar.grid(row=0, column=0, columnspan=2, sticky='EW')
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#
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# File menu
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#
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filebtn = Menubutton(menubar, text='File',
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underline=0)
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filebtn.pack(side=LEFT)
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filemenu = Menu(filebtn, tearoff=0)
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filebtn['menu'] = filemenu
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filemenu.add_command(label='Quit',
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command=self.__quit,
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accelerator='Alt-Q',
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underline=0)
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root.bind('<Alt-q>', self.__quit)
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root.bind('<Alt-Q>', self.__quit)
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#
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# View menu
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#
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viewbtn = Menubutton(menubar, text='View',
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underline=0)
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viewbtn.pack(side=LEFT)
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viewmenu = Menu(viewbtn, tearoff=0)
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viewbtn['menu'] = viewmenu
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viewmenu.add_command(label='Text Window...',
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command=self.__popup_text,
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underline=0)
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#
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# Help menu
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#
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helpbtn = Menubutton(menubar, text='Help',
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underline=0)
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helpbtn.pack(side=RIGHT)
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helpmenu = Menu(helpbtn, tearoff=0)
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helpbtn['menu'] = helpmenu
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helpmenu.add_command(label='About...',
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command=self.__popup_about,
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underline=0)
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def __keepalive(self):
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# Exercise the Python interpreter regularly so keyboard interrupts get
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# through.
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self.__root.tk.createtimerhandler(KEEPALIVE_TIMER, self.__keepalive)
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def __quit(self, event=None):
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sys.exit(0)
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def start(self):
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self.__keepalive()
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self.__root.mainloop()
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def parent(self):
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return self.__root
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def __popup_about(self, event=None):
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tkMessageBox.showinfo('About Pynche 1.0',
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'''\
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Pynche -- the PYthonically
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Natural Color and Hue Editor
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Copyright (C) 1998
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Barry A. Warsaw
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All rights reserved
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For information about Pynche
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contact: Barry A. Warsaw
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email: bwarsaw@python.org''')
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def __popup_text(self, event=None):
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if not self.__textwin:
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from TextViewer import TextViewer
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self.__textwin = TextViewer(self.__sb, self.__root)
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self.__sb.add_view(self.__textwin)
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self.__textwin.deiconify()
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