@node Introduction, User Interface, Top, Top
@comment node-name, next, previous, up
-@section Introduction
+@chapter Introduction
Most graphical user interface toolkits, such as Motif and XView, provide
a number of standard user interface controls (sometimes known as
@node User Interface, Programming Example, Introduction, Top
@comment node-name, next, previous, up
-@section User Interface
+@chapter User Interface
A form consists of read only text for documentation and some fields,
where each of the fields contains two parts, a tag and a value. The
a form, namely editing the editable text fields and activating the
buttons.
-@subsection Editable Text Fields
+@section Editable Text Fields
In the example, the value for the @samp{Name} is most likely displayed
in an editable text field, and so are values for each of the members of
@node Programming Example, Setting Up the Buffer, User Interface, Top
@comment node-name, next, previous, up
-@section Programming Example
+@chapter Programming Example
Here is the code to implement the user interface example (see @ref{User
Interface}).
@node Setting Up the Buffer, Basic Types, Programming Example, Top
@comment node-name, next, previous, up
-@section Setting Up the Buffer
+@chapter Setting Up the Buffer
Widgets are created with @code{widget-create}, which returns a
@dfn{widget} object. This object can be queried and manipulated by
@node Basic Types, Sexp Types, Setting Up the Buffer, Top
@comment node-name, next, previous, up
-@section Basic Types
+@chapter Basic Types
The syntax of a type specification is given below:
@node link, url-link, Basic Types, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{link} Widget
+@section The @code{link} Widget
Syntax:
@node url-link, info-link, link, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{url-link} Widget
+@section The @code{url-link} Widget
Syntax:
@node info-link, push-button, url-link, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{info-link} Widget
+@section The @code{info-link} Widget
Syntax:
@node push-button, editable-field, info-link, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{push-button} Widget
+@section The @code{push-button} Widget
Syntax:
@node editable-field, text, push-button, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{editable-field} Widget
+@section The @code{editable-field} Widget
Syntax:
@node text, menu-choice, editable-field, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{text} Widget
+@section The @code{text} Widget
This is just like @code{editable-field}, but intended for multiline text
fields. The default @code{:keymap} is @code{widget-text-keymap}, which
@node menu-choice, radio-button-choice, text, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{menu-choice} Widget
+@section The @code{menu-choice} Widget
Syntax:
@node radio-button-choice, item, menu-choice, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{radio-button-choice} Widget
+@section The @code{radio-button-choice} Widget
Syntax:
@node item, choice-item, radio-button-choice, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{item} Widget
+@section The @code{item} Widget
Syntax:
@node choice-item, toggle, item, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{choice-item} Widget
+@section The @code{choice-item} Widget
Syntax:
@node toggle, checkbox, choice-item, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{toggle} Widget
+@section The @code{toggle} Widget
Syntax:
@node checkbox, checklist, toggle, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{checkbox} Widget
+@section The @code{checkbox} Widget
The widget has two possible states, `selected' and `unselected', which
corresponds to a @code{t} or @code{nil} value.
@node checklist, editable-list, checkbox, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{checklist} Widget
+@section The @code{checklist} Widget
Syntax:
@node editable-list, group, checklist, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{editable-list} Widget
+@section The @code{editable-list} Widget
Syntax:
@node group, , editable-list, Basic Types
@comment node-name, next, previous, up
-@subsection The @code{group} Widget
+@section The @code{group} Widget
This widget simply groups other widgets together.
@node Sexp Types, Widget Properties, Basic Types, Top
@comment
-@section Sexp Types
+@chapter Sexp Types
A number of widgets for editing s-expressions (lisp types) are also
available. These basically fall in the following categories.
@node constants, generic, Sexp Types, Sexp Types
@comment node-name, next, previous, up
-@subsection The Constant Widgets.
+@section The Constant Widgets.
The @code{const} widget can contain any lisp expression, but the user is
prohibited from editing it, which is mainly useful as a component of one
@node generic, atoms, constants, Sexp Types
@comment node-name, next, previous, up
-@subsection Generic Sexp Widget.
+@section Generic Sexp Widget.
The @code{sexp} widget can contain any lisp expression, and allows the
user to edit it inline in the buffer.
@node atoms, composite, generic, Sexp Types
@comment node-name, next, previous, up
-@subsection Atomic Sexp Widgets.
+@section Atomic Sexp Widgets.
The atoms are s-expressions that does not consist of other
s-expressions. A string is an atom, while a list is a composite type.
@node composite, , atoms, Sexp Types
@comment node-name, next, previous, up
-@subsection Composite Sexp Widgets.
+@section Composite Sexp Widgets.
The syntax for the composite are
@node Widget Properties, Defining New Widgets, Sexp Types, Top
@comment node-name, next, previous, up
-@section Properties
+@chapter Properties
You can examine or set the value of a widget by using the widget object
that was returned by @code{widget-create}.
@node Defining New Widgets, Widget Browser, Widget Properties, Top
@comment node-name, next, previous, up
-@section Defining New Widgets
+@chapter Defining New Widgets
You can define specialized widgets with @code{define-widget}. It allows
you to create a shorthand for more complex widgets. This includes
@node Widget Browser, Widget Minor Mode, Defining New Widgets, Top
@comment node-name, next, previous, up
-@section Widget Browser
+@chapter Widget Browser
There is a separate package to browse widgets. This is intended to help
programmers who want to examine the content of a widget. The browser
@node Widget Minor Mode, Utilities, Widget Browser, Top
@comment node-name, next, previous, up
-@section Widget Minor Mode
+@chapter Widget Minor Mode
There is a minor mode for manipulating widgets in major modes that
doesn't provide any support for widgets themselves. This is mostly
@node Utilities, Widget Wishlist, Widget Minor Mode, Top
@comment node-name, next, previous, up
-@section Utilities.
+@chapter Utilities.
@defun widget-prompt-value widget prompt [ value unbound ]
Prompt for a value matching @var{widget}, using @var{prompt}.@*
@node Widget Wishlist, Widget Internals, Utilities, Top
@comment node-name, next, previous, up
-@section Wishlist
+@chapter Wishlist
@itemize @bullet
@item
@end itemize
@node Widget Internals, , Widget Wishlist, Top
-@section Internals
+@chapter Internals
This (very brief!) section provides a few notes on the internal
structure and implementation of Emacs widgets. Avoid relying on this
To the extent that it actually describes APIs, the information will be
moved to appropriate sections of the manual in due course.
-@subsection The @dfn{Widget} and @dfn{Type} Structures
+@section The @dfn{Widget} and @dfn{Type} Structures
Widgets and types are currently both implemented as lists.
projects / sxemacs / blobdiff