| """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 |
| # 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) |
| # |
| # 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() |