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Document custom themes.

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Chong Yidong 2005-09-05 11:52:21 +00:00
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@ -1,3 +1,7 @@
2005-09-05 Chong Yidong <cyd@stupidchicken.com>
* custom.texi (Custom Themes): New node.
2005-09-03 Richard M. Stallman <rms@gnu.org>
* search.texi (Search Case): Mention vars that control

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man/custom.texi
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@ -199,6 +199,8 @@ the active fields and other features.
* Face Customization:: How to edit the attributes of a face.
* Specific Customization:: Making a customization buffer for specific
variables, faces, or groups.
* Custom Themes:: How to define collections of customized options
that can be loaded and unloaded together.
@end menu
@node Customization Groups
@ -652,6 +654,60 @@ changes. Use @kbd{M-x customize-saved} to look at the options that
you have saved. Use @kbd{M-x customize-customized} to look at the
options that you have set but not saved.
@node Custom Themes
@subsection Customization Themes
@cindex custom themes
@dfn{Custom themes} are collections of customized options that can be
enabled or disabled as a unit. You can use Custom themes to switch
quickly and easily between various collections of settings, and to
transfer such collections from one computer to another.
@findex customize-create-theme
To define a Custom theme, use the command
@kbd{M-x customize-create-theme}, which brings up a buffer named
@samp{*New Custom Theme*}. At the top of the buffer is an editable
field where you can specify the name of the theme. To add a
customization option to the theme, click on the @samp{INS} button to
open up a field where you can insert the name of the option. The
current value of that option is applied to the theme. After adding as
many options as you like, click on @samp{Done} to save the Custom
theme.
@vindex custom-theme-directory
Saving a Custom theme named @var{foo} writes its definition into the
file @file{@var{foo}-theme.el}, in the directory @file{~/.emacs.d/}
(you can specify the directory by setting
@code{custom-theme-directory}).
@findex load-theme
@findex enable-theme
@findex disable-theme
You can load the themes you've previously defined with the command
@code{load-theme}. It prompts for a theme name in the minibuffer,
then loads that theme if it isn't already loaded. It also
@dfn{enables} the theme, which means putting its settings into effect.
An enabled theme can be @dfn{disabled} with the command
@kbd{M-x disable-theme}; this returns the options specified in the
theme to their original values. To re-enable the theme, use the
command @kbd{M-x enable-theme}.
To enable a Custom theme named @var{foo} whenever Emacs is started up,
add the line @code{(load-theme '@var{foo})} to your @file{.emacs} file
(@pxref{Init File}).
Enabling a custom theme does not disable the themes already enabled;
instead, they are all enabled together. If two enabled Custom themes
specify different values for an option, the last theme to be enabled
takes effect.
The options that you set in the ordinary customization buffer
(@pxref{Easy Customization}) are also considered part of a Custom
theme, called @samp{user}. The @samp{user} theme is always enabled,
and always takes precedence over all other enabled Custom themes.
Additionally, the @samp{user} theme is recorded in your @file{.emacs}
file, rather than a @file{user-theme.el} file.
@node Variables
@section Variables
@cindex variable