| """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. |
| """ |
| |
| 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 |
| # |
| # Is there already a default root for Tk, say because we're running |
| # under Guido's IDE? :-) Two conditions say no, either the import |
| # fails or _default_root is None. |
| tkroot = None |
| try: |
| from Tkinter import _default_root |
| tkroot = self.__tkroot = _default_root |
| except ImportError: |
| pass |
| if not tkroot: |
| tkroot = self.__tkroot = Tk(className='Pynche') |
| # but this isn't our top level widget, so make it invisible |
| tkroot.withdraw() |
| # create the menubar |
| menubar = self.__menubar = Menu(tkroot) |
| # |
| # File menu |
| # |
| filemenu = self.__filemenu = Menu(menubar, tearoff=0) |
| filemenu.add_command(label='Quit', |
| command=self.__quit, |
| accelerator='Alt-Q', |
| underline=0) |
| # |
| # View menu |
| # |
| viewmenu = Menu(menubar, tearoff=0) |
| 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 |
| # |
| helpmenu = Menu(menubar, name='help', tearoff=0) |
| helpmenu.add_command(label='About...', |
| command=self.__popup_about, |
| underline=0) |
| # |
| # Tie them all together |
| # |
| menubar.add_cascade(label='File', |
| menu=filemenu, |
| underline=0) |
| menubar.add_cascade(label='View', |
| menu=viewmenu, |
| underline=0) |
| menubar.add_cascade(label='Help', |
| menu=helpmenu, |
| underline=0) |
| |
| # now create the top level window |
| root = self.__root = Toplevel(tkroot, class_='Pynche', menu=menubar) |
| root.protocol('WM_DELETE_WINDOW', self.__quit) |
| root.title('Pynche %s' % version) |
| root.iconname('Pynche') |
| root.tk.createtimerhandler(KEEPALIVE_TIMER, self.__keepalive) |
| root.bind('<Alt-q>', self.__quit) |
| root.bind('<Alt-Q>', self.__quit) |
| |
| def __quit(self, event=None): |
| self.__root.quit() |
| |
| def __keepalive(self): |
| # Exercise the Python interpreter regularly so keyboard interrupts get |
| # through. |
| self.__tkroot.tk.createtimerhandler(KEEPALIVE_TIMER, self.__keepalive) |
| |
| def start(self): |
| self.__keepalive() |
| self.__tkroot.mainloop() |
| |
| def parent(self): |
| return self.__root |
| |
| def __popup_about(self, event=None): |
| from Main import __version__ |
| tkMessageBox.showinfo('About Pynche ' + __version__, |
| '''\ |
| Pynche %s |
| The PYthonically Natural |
| Color and Hue Editor |
| |
| Copyright (C) 1998 CNRI |
| All rights reserved |
| |
| For information about Pynche |
| contact: Barry A. Warsaw |
| email: bwarsaw@python.org''' % __version__) |
| |
| 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() |