Widget Class Hierarchy
by Brent Welch

If you want to dive into the widget tree and fiddle with fonts and colors and such, the class descriptions are in the table below. I also highly recommend the tkinspect program, which you can find in the Tcl archives.

    Main         Top row of buttons and title label
    Fdisp        Folder label display
    Fltop        Folder label display when it
                   is in a detached top level
    Fops         Folder operation buttons and folder label
    Ftoc         Folder table of contents display
    Msg          Message display
    Clip         Detached message display
    Sedit        Simple editor top-levels
    Help         Help window
    Key          Color key window
    Pref         Preferences dialogs
    Log          Error/debug log
    Pick         The pick dialog
    NewFolder    The new folder dialog
    DeleteFolder The delete folder dialog
    WhatNow      The What Now? dialog
    Error        Error popups
    Dialog       General popups
    Mid          Frame around Face, Msgid, Status, Mops
    Mid.Face     Bitmap display
    Mid.Right.Status.label     Message label
    Mid.Right.Status.msg       Status line
    Mid.Right.Mops             Message buttons