ANNOUNCE: Pmw megawidgets 1.2

Discussion in 'Python' started by Greg McFarlane, Aug 22, 2003.

  1. Pmw megawidgets for Tkinter

    Version 1.2

    Greg McFarlane <>


    A new release of Pmw is out. This release makes Pmw compatable with
    recent releases of python and Tcl/Tk.

    This version of Pmw was tested against python 2.3, Tcl/Tk 8.4.2 and
    Blt 2.4z. Except for Blt, all tests pass. Blt seems to be more
    flacky than usual, with core dumps occuring in the Graph code. Since
    this is a problem in Blt (not Pmw), the Blt test script has been
    removed from the default Pmw test sequence.

    Several other bug fixes and improvements were made. See the change
    log for details.

    To download Pmw or for more information, see the home page at

    If you have any comments, enhancements or new contributions, please
    contact me ().


    What is Pmw?

    Pmw is a toolkit for building high-level compound widgets, or
    megawidgets, constructed using other widgets as component parts.
    It promotes consistent look and feel within and between graphical
    applications, is highly configurable to your needs and is easy to
    use. It uses the Tkinter python library.

    Pmw consists of:

    - A few base classes, providing a foundation for building

    - A library of flexible and extensible megawidgets built on
    the base classes, such as buttonboxes, notebooks,
    comboboxes, selection widgets, paned widgets, scrolled
    widgets and dialog windows.

    - A lazy importer/dynamic loader which is automatically
    invoked when Pmw is first imported. This gives unified
    access to all Pmw classes and functions through the Pmw.
    prefix. It also speeds up module loading time by only
    importing Pmw sub-modules when needed.

    - Complete reference documentation, covering all classes and
    functions including all megawidgets and their options,
    methods and components. Helpful tutorial material is also

    - A test framework and tests for Pmw megawidgets.

    - A slick demonstration of the megawidgets.

    - An interface to the BLT busy, graph and vector commands.

    The interface to Pmw megawidgets is similar to basic Tk widgets,
    so it is easy for developers to include both megawidgets and basic
    Tk widgets in their graphical applications. In addition, Pmw
    megawidgets may themselves be extended, using either inheritance
    or composition.

    The use of the Pmw megawidgets replaces common widget combinations
    with higher level abstractions. This simplifies code, making it
    more readable and maintainable. The ability to extend Pmw
    megawidgets enables developers to create new megawidgets based on
    previous work.

    Greg McFarlane Really Good Software Pty Ltd Sydney Australia
    Greg McFarlane, Aug 22, 2003
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