| """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''') |