@c -*-texinfo-*-
@c This is part of the XEmacs Lisp Reference Manual.
@c Copyright (C) 2002 Free Software Foundation, Inc.
@c @setfilename edit-utils.info
@ifinfo
@dircategory XEmacs Editor
@direntry
* Edit Utilities: (edit-utils).	Editing utilities for XEmacs.
@end direntry
Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are
preserved on all copies.

@ignore
Permission is granted to process this file through TeX and print the
results, provided the printed document carries copying permission notice
identical to this one except for the removal of this paragraph (this
paragraph not being relevant to the printed manual).

@end ignore
Permission is granted to copy and distribute modified versions of this
manual under the conditions for verbatim copying, provided that the
entire resulting derived work is distributed under the terms of a
permission notice identical to this one.

Permission is granted to copy and distribute translations of this manual
into another language, under the above conditions for modified versions,
except that this permission notice may be stated in a translation
approved by the Foundation.

Permission is granted to copy and distribute modified versions of this
manual under the conditions for verbatim copying, provided also that the
section entitled ``GNU General Public License'' is included exactly as
in the original, and provided that the entire resulting derived work is
distributed under the terms of a permission notice identical to this
one.

Permission is granted to copy and distribute translations of this manual
into another language, under the above conditions for modified versions,
except that the section entitled ``GNU General Public License'' may be
included in a translation approved by the Free Software Foundation
instead of in the original English.
@end ifinfo

@node Top, Comparing Windows, (dir), (dir)
@chapter The Editing Utilities Package

@ifinfo
This Info file contains the manual for the Editing Utilities package.
@end ifinfo

Nodes whose menu description consists only of a file name are completely
undocumented.  Even a 40 character description for the menu and a brief
50--100 word summary of the functionality for the actual node would be
greatly appreciated.  Some of the node names may be inaccurate;
corrections are also appreciated.

@menu
Buffer and Window Management
* Comparing Windows::		compare-w.el
* Detached Minibuffers::	detached-minibuf.el
* Convenient Buffer Switching::	iswitchb.el
* Permanent Buffers::		permanent-buffers.el
* Self-Resizing Minibuffer::	rsz-minibuf.el
* Searching Many Buffers::	search-buffers.el
* Meaningful Unique Names::	uniquify.el
* Navigating the Window Ring::	winring.el

File Management
* Backup Directory::			backup-dir.el

Session Management
* Bookmark::			bookmark.el
* Desktop::			desktop.el
* Recent File Navigation::	recent-files.el
* Resume::			resume.el
* Save Configuration::		saveconf.el
* Save History::		savehist.el
* Save Places::			saveplace.el
* Where Was I::			where-was-i-db.el

Abbreviations
* Abbreviation List::		abbrevlist.el
* Big Menubar::			big-menubar.el
* Completion::			completion.el
* Dynamic Abbreviations::	dabbrev.el
* Hippie Expand::		hippie-exp.el
* Interactive Completion::	icomplete.el
* Template Insertion::		tempo.el

Miscellaneous and Unknown:
* file-part::			file-part.el
* Flow Control::		flow-ctrl.el
* Foldout::			foldout.el
* Function Menu::		func-menu.el
* id-select::			id-select.el
* info-look::			info-look.el
* Live Icon::			live-icon.el
* makesum::			makesum.el
* man::				man.el
* mode-motion+::		mode-motion+.el
* outl-mouse::			outl-mouse.el
* page-ext::			page-ext.el
* popper::			popper.el
* Power Macros::		power-macros.el
* Redo::			redo.el
* reportmail::			reportmail.el
* Scrolling In Place::		scroll-in-place.el
* Line Numbering::		setnu.el
* Vertical Mode::		vertical-mode.el

Display, Faces, and Highlighting:
* Balloon Help and Tooltips::	balloon-help.el
* Getting the Mouse Out of the Way::	avoid.el
* Blinking Cursor::		blink-cursor.el
* Blinking Parentheses::	blink-paren.el
* Face Editor::			edit-faces.el
* Speeding Up Fontlock::	fast-lock.el
* Lazy Fontlocking::		lazy-lock.el
* Another Lazy Fontlocker::	lazy-shot.el
* lispm-fonts::			lispm-fonts.el
* mic-paren::			mic-paren.el
* paren::			paren.el
* shell-font::			shell-font.el

Low-Level Editing Hacks:
* Hooks Invoked After Saving::	after-save-commands.el
* Indivisible Blocks of Text::	atomic-extents.el
* Table and Array Editor::	array.el

Menu and Toolbar Support:
* Floating Toolbar::		floating-toolbar.el
* tree-menu::			tree-menu.el
* The Toolbar Utilities::	Creating and managing toolbars and buttons.

Appendices:
* Copying::			The GNU General Public License
@end menu

@node Comparing Windows, Detached Minibuffers, Top, Top
@chapter Comparing Windows

This library not documented.  Please contribute!

@node Detached Minibuffers, Convenient Buffer Switching, Comparing Windows, Top
@chapter Detached Minibuffers

This library not documented.  Please contribute!

@node Convenient Buffer Switching, Permanent Buffers, Detached Minibuffers, Top
@chapter Convenient Buffer Switching

This library not documented.  Please contribute!

@node Permanent Buffers, Self-Resizing Minibuffer, Convenient Buffer Switching, Top
@chapter Permanent Buffers

This library not documented.  Please contribute!

@node Self-Resizing Minibuffer, Searching Many Buffers, Permanent Buffers, Top
@chapter Self-Resizing Minibuffer

This library not documented.  Please contribute!

@node Searching Many Buffers, Meaningful Unique Names, Self-Resizing Minibuffer, Top
@chapter Searching Many Buffers

This library not documented.  Please contribute!

@node Meaningful Unique Names, Navigating the Window Ring, Searching Many Buffers, Top
@chapter Meaningful Unique Names

This library not documented.  Please contribute!

@node Navigating the Window Ring, Backup Directory, Meaningful Unique Names, Top
@chapter Navigating the Window Ring

This library not documented.  Please contribute!

@node Backup Directory, Bookmark, Navigating the Window Ring, Top
@chapter Backup Directory

This library not documented.  Please contribute!

@node Bookmark, Desktop, Backup Directory, Top
@chapter Bookmark

This library not documented.  Please contribute!

@node Desktop, Recent File Navigation, Bookmark, Top
@chapter Desktop

This library not documented.  Please contribute!

@node Recent File Navigation, Resume, Desktop, Top
@chapter Recent File Navigation

This library not documented.  Please contribute!

@node Resume, Save Configuration, Recent File Navigation, Top
@chapter Resume

This library not documented.  Please contribute!

@node Save Configuration, Save History, Resume, Top
@chapter Save Configuration

This library not documented.  Please contribute!

@node Save History, Save Places, Save Configuration, Top
@chapter Save History

This library not documented.  Please contribute!

@node Save Places, Where Was I, Save History, Top
@chapter Save Places

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@node Where Was I, Abbreviation List, Save Places, Top
@chapter Where Was I

This library not documented.  Please contribute!

@node Abbreviation List, Big Menubar, Where Was I, Top
@chapter Abbreviation List

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@node Big Menubar, Completion, Abbreviation List, Top
@chapter Big Menubar

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@node Completion, Dynamic Abbreviations, Big Menubar, Top
@chapter Completion

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@node Dynamic Abbreviations, Hippie Expand, Completion, Top
@chapter Dynamic Abbreviations

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@node Hippie Expand, Interactive Completion, Dynamic Abbreviations, Top
@chapter Hippie Expand

This library not documented.  Please contribute!

@node Interactive Completion, Template Insertion, Hippie Expand, Top
@chapter Interactive Completion

This library not documented.  Please contribute!

@node Template Insertion, file-part, Interactive Completion, Top
@chapter Template Insertion

This library not documented.  Please contribute!

@node file-part, Flow Control, Template Insertion, Top
@chapter file-part

This library not documented.  Please contribute!

@node Flow Control, Foldout, file-part, Top
@chapter Flow Control

This library not documented.  Please contribute!

@node Foldout, Function Menu, Flow Control, Top
@chapter Foldout

This library not documented.  Please contribute!

@node Function Menu, id-select, Foldout, Top
@chapter Function Menu

This library not documented.  Please contribute!

@node id-select, info-look, Function Menu, Top
@chapter id-select

This library not documented.  Please contribute!

@node info-look, Live Icon, id-select, Top
@chapter info-look

This library not documented.  Please contribute!

@node Live Icon, makesum, info-look, Top
@chapter Live Icon

This library not documented.  Please contribute!

@node makesum, man, Live Icon, Top
@chapter makesum

This library not documented.  Please contribute!

@node man, mode-motion+, makesum, Top
@chapter man

This library not documented.  Please contribute!

@node mode-motion+, outl-mouse, man, Top
@chapter mode-motion+

This library not documented.  Please contribute!

@node outl-mouse, page-ext, mode-motion+, Top
@chapter outl-mouse

This library not documented.  Please contribute!

@node page-ext, popper, outl-mouse, Top
@chapter page-ext

This library not documented.  Please contribute!

@node popper, Power Macros, page-ext, Top
@chapter popper

This library not documented.  Please contribute!

@node Power Macros, Redo, popper, Top
@chapter Power Macros

This library not documented.  Please contribute!

@node Redo, reportmail, Power Macros, Top
@chapter Redo

This library not documented.  Please contribute!

@node reportmail, Scrolling In Place, Redo, Top
@chapter reportmail

This library not documented.  Please contribute!

@node Scrolling In Place, Line Numbering, reportmail, Top
@chapter Scrolling In Place

This library not documented.  Please contribute!

@node Line Numbering, Vertical Mode, Scrolling In Place, Top
@chapter Line Numbering

This library not documented.  Please contribute!

@node Vertical Mode, Balloon Help and Tooltips, Line Numbering, Top
@chapter Vertical Mode

This library not documented.  Please contribute!

@node Balloon Help and Tooltips, Getting the Mouse Out of the Way, Vertical Mode, Top
@chapter Balloon Help and Tooltips

This library not documented.  Please contribute!

@node Getting the Mouse Out of the Way, Blinking Cursor, Balloon Help and Tooltips, Top
@chapter Getting the Mouse Out of the Way

This library not documented.  Please contribute!

@node Blinking Cursor, Blinking Parentheses, Getting the Mouse Out of the Way, Top
@chapter Blinking Cursor

This library not documented.  Please contribute!

@node Blinking Parentheses, Face Editor, Blinking Cursor, Top
@chapter Blinking Parentheses

This library not documented.  Please contribute!

@node Face Editor, Speeding Up Fontlock, Blinking Parentheses, Top
@chapter Face Editor

This library not documented.  Please contribute!

@node Speeding Up Fontlock, Lazy Fontlocking, Face Editor, Top
@chapter Speeding Up Fontlock

This library not documented.  Please contribute!

@node Lazy Fontlocking, Another Lazy Fontlocker, Speeding Up Fontlock, Top
@chapter Lazy Fontlocking

This library not documented.  Please contribute!

@node Another Lazy Fontlocker, lispm-fonts, Lazy Fontlocking, Top
@chapter Another Lazy Fontlocker

This library not documented.  Please contribute!

@node lispm-fonts, mic-paren, Another Lazy Fontlocker, Top
@chapter lispm-fonts

This library not documented.  Please contribute!

@node mic-paren, paren, lispm-fonts, Top
@chapter mic-paren

This library not documented.  Please contribute!

@node paren, shell-font, mic-paren, Top
@chapter paren

This library not documented.  Please contribute!

@node shell-font, Hooks Invoked After Saving, paren, Top
@chapter shell-font

This library not documented.  Please contribute!

@node Hooks Invoked After Saving, Indivisible Blocks of Text, shell-font, Top
@chapter Hooks Invoked After Saving

This library not documented.  Please contribute!

@node Indivisible Blocks of Text, Table and Array Editor, Hooks Invoked After Saving, Top
@chapter Indivisible Blocks of Text

This library not documented.  Please contribute!

@node Table and Array Editor, Floating Toolbar, Indivisible Blocks of Text, Top
@chapter Table and Array Editor

This library not documented.  Please contribute!

@node Floating Toolbar, tree-menu, Table and Array Editor, Top
@chapter Floating Toolbar

This library not documented.  Please contribute!

@node tree-menu, The Toolbar Utilities, Floating Toolbar, Top
@chapter tree-menu

This library not documented.  Please contribute!

@node The Toolbar Utilities, Copying, tree-menu, top
@chapter The Toolbar Utilities
@cindex toolbar

The toolbar utilities are a set of Emacs commands and Lisp functions for
convenient creation and management of toolbars.  Common usages such as
creating and adding toolbar buttons to invoke commands and keyboard
macros are implemented as user commands.  Convenience APIs are provided
to create buttons, add them to toolbars, kill them from toolbars, and
finding a particular button, or a button with certain content, in a
toolbar.

The toolbar utilities are implemented in three files:

@table @file
@item toolbar-utils.el

The toolbar utility APIs and user commands.

@item edit-toolbar.el

The near-WYSIWYG toolbar editor by Peter D. Pezaris.

@item xemacs-toolbar.el

The XEmacs compatibility API for programs that should also run under GNU
Emacs.
@end table

The author would like to thank Jeff Miller and Peter D. Pezaris for the
original API and the toolbar editor, respectively, and David Kastrup and
Jamie Zawinski for the pedal-gluteal impetus that resulted in the recent
revision of these libraries described in this manual.

@menu
* Adding Buttons on the Fly::		Quick and convenient.
* The Toolbar Editor::			Power tools for customization.
* APIs for Adding and Killing::		For Lisp programmers.
* APIs for Search::                     Button, button, who's got the button?
* Toolbar Portability::			The @file{xemacs-toolbar.el} library.
@end menu

@node Adding Buttons on the Fly, The Toolbar Editor, The Toolbar Utilities, The Toolbar Utilities
@section Adding Buttons on the Fly

@defvr Group edit-toolbar

Customize group of tools for interactive editing and non-interactive 
management of toolbars.
@end defvr

@defvar toolbar-button-default-position
Default position for adding toolbar
buttons on the fly.  The value may be a non-negative integer (0 is
leftmost), or one of the symbols @code{left}, @code{right}, or
@code{extreme-right}.  @code{left} is synonymous with 0, and
@code{extreme-right} is synonymous with @code{(length toolbar)}.
@code{right} specifies placing a new item at the right end of the
flush-left group of buttons.

Default value: @code{right}.  Customize type: sexp.

See also @samp{toolbar-add-button}, @ref{APIs for Adding and Killing}.
@end defvar

@deffn Command toolbar-add-button-on-the-fly description command label &optional position locale

Add an button at @var{position} to the default toolbar of the selected
window.  Returns @code{t}.

The return value may change.  Tell stephen@@xemacs.org what value you
think would be (most) useful.

@table @var
@item description
A string describing the action, and displayed as help.

@item command
An interactive command (ie, a symbol with an interactive function
definition) implementing the action.

@item label
A string used to label the button.

@item position
Optional.  A position (a non-negative integer, or one of the
symbols @code{left}, @code{right}, or @code{extreme-right}.

Default: @code{right}.

@item locale
Optional.  A specifier locale, defaulting to the current buffer.  If
current-buffer-only is not what you want, and you don't understand
specifier locales, use @code{global}.  It's safe and probably does what
you want.
@end table
@end deffn

@deffn Command toolbar-add-kbd-macro mac icon is-file
Add a button invoking a keyboard macro to the toolbar.
The button is added at the end of the left group.

@table @var
@item mac
A keyboard macro name, or the empty string or nil to use a copy of
the last keyboard macro defined.

@item icon
A string specifying the icon to be used.  If @var{is-file} is
non-@code{nil}, it is interpreted as the name of an image file, and
searched for using @code{locate-data-file}.  Otherwise it is used
verbatim as a label.

@item is-file
Determines the treatment of @var{icon} (q.v.).
@end table

Used interactively, prompts for the macro name @var{mac} and an
@var{icon}.  @var{is-file} is non-@code{nil} if a prefix argument was
used.
@end deffn

@defun toolbar-add-execute-macro-button

Add a button to the global toolbar to execute the last keyboard macro.

Unlike @code{toolbar-add-kbd-macro}, this does not copy the macro.  The
macro executed will change with redefinitions.

Due to a simple implementation, this button will not appear in buffers with
local toolbars if invoked after the toolbar is installed.  If you like this
button, it's probably best to invoke this function in your init file.
@end defun

@defun toolbar-execute-last-kbd-macro
Toolbar thunk which executes the most recently defined keyboard macro.
@end defun

@deffn Command restore-initial-toolbar
Restores the default toolbar defined by @code{initial-toolbar-spec}.

There is also a cache of killed buttons in @code{button-palette}.
@end deffn

@node The Toolbar Editor, APIs for Adding and Killing, Adding Buttons on the Fly, The Toolbar Utilities
@section The Toolbar Editor

To use @file{edit-toolbar.el}, simply type @kbd{M-x edit-toolbar RET}.

For help on the various commands you can type @key{?} in a
@samp{edit-toolbar} buffer.  To save a modified toolbar type @kbd{C-x
C-s} in an @samp{edit-toolbar} buffer.  If you want to use a saved
toolbar in your future XEmacs sessions, add the following line of code
to your init file:

@example
     (load "~/.xemacs/.toolbar")
@end example

Here is a table of commands and bindings available in
@samp{edit-toolbar-mode}.  These commands are also available from the
@samp{Edit Toolbar} menu.

@table @kbd
@item q

@samp{edit-toolbar-quit}:  Bury the @samp{edit-toolbar} buffer.

@item p
@itemx DEL

@samp{edit-toolbar-previous}:  Select the previous item (line).

@item n
@itemx SPC
@itemx RET

@samp{edit-toolbar-next}:    Select the next item (line).

@item ?

@samp{describe-mode}:  Help.

@item f

@samp{edit-toolbar-set-function}:  Set the command for the current button.

@item h

@samp{edit-toolbar-set-help}:  Set the help string for the current button.

@item a

@samp{edit-toolbar-add-button}:  Add a new empty button.

@item 2

@samp{edit-toolbar-add-separator-2D-narrow}:  Add a new narrow 2D
fixed-width spacer.

@item @@

@samp{edit-toolbar-add-separator-2D-wide}:  Add a new wide 2D fixed-width
spacer.

@item 3

@samp{edit-toolbar-add-separator-3D-narrow}:  Add a new narrow 3D
fixed-width spacer.

@item #

@samp{edit-toolbar-add-separator-3D-wide}:  Add a new wide 3D fixed-width
spacer.

@item R

@samp{edit-toolbar-add-separator-right-left}:  Place the filler
separator, which expands to create a flush-left group of buttons and
spacers and a flush-right group.

@item c

@samp{edit-toolbar-copy}:  Copy the selected button.

@item d

@samp{edit-toolbar-down}:  Reorder the buttons by moving the selected
button down (to the right on a horizontal toolbar).

@item u

@samp{edit-toolbar-up}:  Reorder the buttons by moving the selected
button up (to the left on a horizontal toolbar).

@item k

@samp{edit-toolbar-kill}:  Kill the selected button.

@item s
@itemx C-x C-s

@samp{edit-toolbar-save}:  Save the current buffer to
@file{~/.xemacs/.toolbar} in a format that allows it to be reloaded.

@item r

@samp{edit-toolbar-restore}:  Restore the original toolbar (ie, before
this editing session started).

@end table

@node APIs for Adding and Killing, APIs for Search, The Toolbar Editor, The Toolbar Utilities
@section APIs for Adding and Killing

@defvar button-palette
List of buttons cut from toolbars.

Note this is actually a toolbar descriptor.
@end defvar

@defun toolbar-add-item toolbar-spec item &optional position
Add @var{item} to @var{toolbar-spec} at @var{position}, and return
@var{toolbar-spec}.  Uses functions that alter list structure.

@table @var
@item item
A toolbar button or spacer specification (eg, from
@code{toolbar-new-button} or @code{toolbar-new-spacer}).
@item toolbar-spec
A toolbar descriptor (eg, from @code{toolbar-new-toolbar}).
@item position
Optional.  A non-negative integer, with 0 being the extreme left and
\(length @var{toolbar-spec}) the extreme right.  The symbols
@code{left}, @code{right}, and @code{extreme-right} are also accepted.
@code{left} is synonymous with 0.  @code{right} places @var{item} at the
right end of the left group of buttons.  @code{extreme-right} places
@var{item} at the extreme right of the toolbar, creating a right group
if one does not exist.
@end table

#### This function does not yet support inserting the group delimiter nil
as an explicit item.

@var{position} may be greater than (length @var{toolbar-spec}), in which
case it is truncated to (length @var{toolbar-spec}).  Note that
@code{(length @var{toolbar-spec})} is not synonymous with @code{right}
or @code{extreme-right} (@code{extreme-right} will create a right group
if it doesn't already exist).
@end defun

@defun toolbar-new-button icon-spec command help-string &optional initially-disabled
Return a checked toolbar button specification.

@table @var
@item icon-spec
A list of glyphs (from @code{make-glyph}), a glyph, or a
string to use as the button's icon.  If a string or single glyph, it will
be used for the button-up glyph.  If a list, it may contain 1 to 6 glyphs,
which XEmacs will use for button up, button down, button disabled, button
up with caption, button down with caption, and button disabled with caption,
in that order.  Missing or nil glyphs will be defaulted.  (#### Strings as
list elements are not supported but could be.)

@item command
The (interactive) command to invoke when the button is pressed.

@item help-string
A string briefly describing the command, displayed in the echo area or
as balloon help when the pointer enters the button.

@item initially-disabled
Optional.  If non-@code{nil}, specifies that the button should initially
be disabled.

See @code{default-toolbar} or the Lispref (@pxref{Toolbars, , ,
lispref}) for more information.
@end table
@end defun

@defun toolbar-new-spacer style &optional size
Returns a checked toolbar spacer ``button''.

@table @var
@item style
One of the symbols @code{2d} or @code{3d}, indicating whether the area is
displayed without shadows (giving it a flat appearance), or with shadows
(giving it a raised, 3-D appearance).  There is no default.
#### We may set a default style.  Tell stephen@@xemacs.org which you use.

@item size
Specifies the length, in pixels, of the blank area.  If omitted,
it defaults to a device-specific value (8 pixels for X devices).
@end table
@end defun

@defun make-toolbar-instantiator &optional toolbar-spec domain
Return a checked toolbar instantiator, a list of vectors.

@table @var
@item toolbar-spec
May be a list of buttons (ie, a toolbar descriptor, see
@code{default-toolbar}), a toolbar specifier object, a symbol whose
value is a toolbar specifier object, or @code{nil}.  If @code{nil},
returns a null list.  If a toolbar specifier object or variable
containing one, the specification for DOMAIN is used.  If non-nil, DOMAIN
must be a window, a frame, or a device, otherwise it defaults to the selected
window (see @code{specifier-instance}).  The list thus generated is checked and
returned.

If @var{toolbar-spec} is a list, it is copied; it is safe to pass other
packages' toolbar initializers to this function.  However, you probably
do not want to change any of the objects in the returned specification.
They are returned as is, not copied.

See @code{default-toolbar} or the Lispref (@pxref{Toolbars, , ,
lispref}) for more information.
@end table
@end defun

@defun toolbar-kill-item-pos pos &optional toolbar locale
Kill the item at position @var{pos} of @var{toolbar} in @var{locale}.
Killed buttons are prepended to @code{button-palette}.

@var{locale} defaults to @code{global}.  If there are multiple specs for
@var{locale}, take the first one.

This function currently does not accept symbolic positions a la
@code{toolbar-add-item}.  Use @code{toolbar-find-item} to locate whole
buttons and spacers, and @code{toolbar-find-button} to locate buttons by
characteristics.  See also @code{toolbar-find-button-by-icon},
@code{toolbar-find-button-by-command}, and
@code{toolbar-find-button-by-help-string}.
@end defun

@node APIs for Search, Toolbar Portability, APIs for Adding and Killing, The Toolbar Utilities
@section APIs for Search

@defun toolbar-find-button item &optional toolbar locale
Return the position of a button containing @var{item} in its
specification. 

@table @var
@item item
May specify a button, spacer, icon, command, help string, or nil.  If
@var{item} is nil, find the separator between the group of buttons to be
left justified, and the group to be right justified.  (Distinctions
among the various ``search key types'' are somewhat heuristic but are
probably reliable enough to use in library code.)

@item toolbar
If non-@code{nil}, search it; otherwise search the default toolbar.

@item locale
If non-@code{nil}, get @var{toolbar}'s descriptor in that locale,
otherwise use the @code{global} locale.
@end table
@end defun

@defun toolbar-find-item item &optional toolbar locale
Return the position of @var{item}, a button, spacer, or nil.
@var{toolbar} and @var{locale} determine the descriptor to be searched.

If @var{item} is nil, find the separator between the group of buttons to
be left justified, and the group to be right justified.  If there are
several matching items, the first is returned.  If none is found, return
nil.
@end defun

@defun toolbar-find-button-by-icon icon &optional toolbar locale
Return the position of a button with icon @var{icon}.
@var{icon} must be a list of glyphs or a symbols whose value is a list
of glyphs.
@var{toolbar} and @var{locale} determine the descriptor to be searched.

If there are several matching buttons, the first is returned.
@end defun

@defun toolbar-find-button-by-command cmd &optional toolbar locale
Return the position of a button invoking command CMD.  @var{toolbar} and
@var{locale} determine the descriptor to be searched.

If there are several matching buttons, the first is returned.
@end defun

@defun toolbar-find-button-by-help-string str &optional toolbar locale

Return the position of a button with help-string @var{str}.
@var{toolbar} and @var{locale} determine the descriptor to be searched.

If there are several matching buttons, the first is returned.
This function will not find spacers.
@end defun

@defun toolbar-find-button-by-element object index toolbar locale &optional thunk
Return the position of a button containing @var{object} in element
@var{index}.  @var{toolbar} and @var{locale} determine the descriptor to
be searched.

Optional argument @var{thunk} is a function of one argument which is
used to normalize @var{object} for comparison.

If there are several matching buttons, the first is returned.
This function will not find spacers.
@end defun

@node Toolbar Portability, , APIs for Search, The Toolbar Utilities
@section Toolbar API Portability to GNU Emacs
@cindex GNU Emacs compatibility
@cindex compatibility libraries, GNU Emacs

The @file{xemacs-toolbar.el} library provides XEmacs toolbar
compatibility functions for GNU Emacs.

Third-party maintainers may use the same APIs in GNU Emacs as in XEmacs.
Simply provide this library with your own code, and load it
conditionally:

@example
(if (featurep 'xemacs)
    (require 'toolbar-utils)
  (require 'toolbar-utils "xemacs-toolbar"))
@end example

XEmacs features that are not present in GNU Emacs will be ignored, and
various arguments with different semantics will be defaulted appropriately.

User commands such as @code{toolbar-add-kbd-macro} and advanced features
such as the toolbar editor and the button cache are not presently
provided.

@node Copying, , The Toolbar Utilities, Top
@chapter Copying
@unnumbered GNU GENERAL PUBLIC LICENSE
@center Version 2, June 1991

@display
Copyright @copyright{} 1989, 1991 Free Software Foundation, Inc.
675 Mass Ave, Cambridge, MA 02139, USA

Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
@end display

@unnumberedsec Preamble

  The licenses for most software are designed to take away your
freedom to share and change it.  By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software---to make sure the software is free for all its users.  This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it.  (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.)  You can apply it to
your programs, too.

  When we speak of free software, we are referring to freedom, not
price.  Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.

  To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.

  For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have.  You must make sure that they, too, receive or can get the
source code.  And you must show them these terms so they know their
rights.

  We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.

  Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software.  If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.

  Finally, any free program is threatened constantly by software
patents.  We wish to avoid the danger that redistributors of a free
program will individually obtain patent licenses, in effect making the
program proprietary.  To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.

  The precise terms and conditions for copying, distribution and
modification follow.

@iftex
@unnumberedsec TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
@end iftex
@ifinfo
@center TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
@end ifinfo

@enumerate 0
@item
This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License.  The ``Program'', below,
refers to any such program or work, and a ``work based on the Program''
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language.  (Hereinafter, translation is included without limitation in
the term ``modification''.)  Each licensee is addressed as ``you''.

Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope.  The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.

@item
You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.

You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.

@item
You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:

@enumerate a
@item
You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.

@item
You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
parties under the terms of this License.

@item
If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License.  (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
@end enumerate

These requirements apply to the modified work as a whole.  If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works.  But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.

Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.

In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.

@item
You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:

@enumerate a
@item
Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,

@item
Accompany it with a written offer, valid for at least three
years, to give any third party, for a charge no more than your
cost of physically performing source distribution, a complete
machine-readable copy of the corresponding source code, to be
distributed under the terms of Sections 1 and 2 above on a medium
customarily used for software interchange; or,

@item
Accompany it with the information you received as to the offer
to distribute corresponding source code.  (This alternative is
allowed only for noncommercial distribution and only if you
received the program in object code or executable form with such
an offer, in accord with Subsection b above.)
@end enumerate

The source code for a work means the preferred form of the work for
making modifications to it.  For an executable work, complete source
code means all the source code for all modules it contains, plus any
associated interface definition files, plus the scripts used to
control compilation and installation of the executable.  However, as a
special exception, the source code distributed need not include
anything that is normally distributed (in either source or binary
form) with the major components (compiler, kernel, and so on) of the
operating system on which the executable runs, unless that component
itself accompanies the executable.

If distribution of executable or object code is made by offering
access to copy from a designated place, then offering equivalent
access to copy the source code from the same place counts as
distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.

@item
You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License.  Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
parties remain in full compliance.

@item
You are not required to accept this License, since you have not
signed it.  However, nothing else grants you permission to modify or
distribute the Program or its derivative works.  These actions are
prohibited by law if you do not accept this License.  Therefore, by
modifying or distributing the Program (or any work based on the
Program), you indicate your acceptance of this License to do so, and
all its terms and conditions for copying, distributing or modifying
the Program or works based on it.

@item
Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions.  You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.

@item
If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License.  If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all.  For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.

If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.

It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices.  Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.

This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.

@item
If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded.  In such case, this License incorporates
the limitation as if written in the body of this License.

@item
The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time.  Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.

Each version is given a distinguishing version number.  If the Program
specifies a version number of this License which applies to it and ``any
later version'', you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation.  If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.

@item
If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission.  For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this.  Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.

@iftex
@heading NO WARRANTY
@end iftex
@ifinfo
@center NO WARRANTY
@end ifinfo

@item
BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW@.  EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM ``AS IS'' WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE@.  THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU@.  SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.

@item
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
@end enumerate

@iftex
@heading END OF TERMS AND CONDITIONS
@end iftex
@ifinfo
@center END OF TERMS AND CONDITIONS
@end ifinfo

@page
@unnumberedsec How to Apply These Terms to Your New Programs

  If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.

  To do so, attach the following notices to the program.  It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the ``copyright'' line and a pointer to where the full notice is found.

@smallexample
@var{one line to give the program's name and an idea of what it does.}
Copyright (C) 19@var{yy}  @var{name of author}

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE@.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
@end smallexample

Also add information on how to contact you by electronic and paper mail.

If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:

@smallexample
Gnomovision version 69, Copyright (C) 19@var{yy} @var{name of author}
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details
type `show w'.  This is free software, and you are welcome
to redistribute it under certain conditions; type `show c'
for details.
@end smallexample

The hypothetical commands @samp{show w} and @samp{show c} should show
the appropriate parts of the General Public License.  Of course, the
commands you use may be called something other than @samp{show w} and
@samp{show c}; they could even be mouse-clicks or menu items---whatever
suits your program.

You should also get your employer (if you work as a programmer) or your
school, if any, to sign a ``copyright disclaimer'' for the program, if
necessary.  Here is a sample; alter the names:

@smallexample
@group
Yoyodyne, Inc., hereby disclaims all copyright
interest in the program `Gnomovision'
(which makes passes at compilers) written
by James Hacker.

@var{signature of Ty Coon}, 1 April 1989
Ty Coon, President of Vice
@end group
@end smallexample

This General Public License does not permit incorporating your program into
proprietary programs.  If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library.  If this is what you want to do, use the GNU Library General
Public License instead of this License.

