* lisp/custom.el (load-theme): Define return value. Drop use of
unsafep; call custom-theme-load-confirm for non-known-safe themes.
(custom-theme-load-confirm): Scroll in the correct window.
(custom-enabled-themes): Add custom-safe-themes to :set-after.
* lisp/cus-theme.el (custom-theme-checkbox-toggle): Don't activate the
checkbox if load-theme fails.
* cus-theme.el (custom-theme--migrate-settings): New var.
(customize-create-theme): Allow editing the `user' theme.
(custom-theme-add-variable, custom-theme-add-var-1)
(custom-theme-add-face, custom-theme-add-face-1): Add a checkbox
to the front of each variable or face widget.
(custom-theme-write): Save theme settings in the correct order.
Optionally, remove saved settings from user customizations.
(custom-theme-write-variables, custom-theme-write-faces): Saved
only the checked widgets.
(customize-themes): Add a link for migrating custom settings.
* custom.el (custom-declare-theme, provide-theme): Use
custom-theme-name-valid-p.
(custom-theme-name-valid-p): Remove checks that are now
unnecessary since themes no longer obey load-path.
* cus-edit.el (custom-variable-value-create): For the simple
style, hide documentation string when hidden.
* cus-edit.el (custom-variable, custom-face): Combine the
:inhibit-magic and :display-style properties into a single
:custom-style property.
(custom-toggle-hide-variable, custom-toggle-hide-face): New
functions. If hiding an edited value, save it to :shown-value.
(custom-variable-value-create, custom-face-value-create): Use
them.
(custom-magic-reset): Allow magic property to be unset.
* cus-theme.el (custom-theme-add-var-1)
(custom-theme-add-face-1): Use the :custom-style property.
* custom.el: (custom-theme-load-path): Doc fix.
* custom.el: Custom themes no longer use load-path.
(custom-theme-load-path): New option. Change built-in theme
directory to etc/.
(custom-enabled-themes): Add custom-theme-load-path dependency.
(custom-theme--load-path): New function.
(load-theme, custom-available-themes): Use it.
* cus-theme.el (describe-theme-1): Use custom-theme--load-path.
(customize-themes): Link to custom-theme-load-path variable.
* cus-theme.el (customize-create-theme): Delete overlays after
erasing. If given a THEME arg, display only the faces of that arg
instead of custom-theme--listed-faces.
(custom-theme-variable-menu, custom-theme-variable-action)
(custom-variable-reset-theme, custom-theme-delete-variable): Deleted.
(custom-theme-add-variable, custom-theme-add-face): Apply value
from the theme settings, instead of the current value.
(custom-theme-add-var-1, custom-theme-add-face-1): New functions.
(custom-theme-visit-theme): Allow calling outside theme buffers.
(custom-theme-merge-theme): Don't enable the theme when merging.
(custom-theme-write-variables, custom-theme-write-faces): Use the
:shown-value properties to save buffer values, not global ones.
(customize-themes): Display a warning about user customizations.
* cus-edit.el (custom-variable-value-create)
(custom-face-value-create): Obey new special properties
:shown-value and :inhibit-magic.
* lisp/cus-edit.el (custom--initialize-widget-variables): New function.
(Custom-mode): Use it.
* lisp/cus-face.el (custom-theme-set-faces): Remove dead code. Obey
custom--inhibit-theme-enable.
* lisp/cus-theme.el (describe-theme, customize-themes)
(custom-theme-save): New commands.
(custom-new-theme-mode-map): Bind C-x C-s.
(custom-new-theme-mode): Use custom--initialize-widget-variables.
(customize-create-theme): New optional arg THEME.
(custom-theme-revert): Use it.
(custom-theme-visit-theme): Remove dead code.
(custom-theme-merge-theme): Use custom-available-themes.
(custom-theme-write): Make interactive.
(custom-theme-write): Use custom-theme-name-valid-p.
(describe-theme-1, custom-theme-choose-revert)
(custom-theme-checkbox-toggle, custom-theme-selections-toggle):
New funs.
(custom-theme-allow-multiple-selections): New option.
(custom-theme-choose-mode): New major mode.
* lisp/custom.el (custom-theme-set-variables): Remove dead code. Obey
custom--inhibit-theme-enable.
(custom--inhibit-theme-enable): New var.
(provide-theme): Obey it.
(load-theme): Replace load with manual read/eval, in order to
check for correctness. Use custom-theme-name-valid-p.
(custom-theme-name-valid-p): New function.
(custom-available-themes): Use it.
* lisp/help-mode.el (help-theme-def, help-theme-edit): New buttons.
* cus-edit.el (custom-face-widget-to-spec)
(custom-face-get-current-spec, custom-face-state): New functions.
(custom-face-set, custom-face-mark-to-save)
(custom-face-value-create, custom-face-state-set): Use them.
* cus-theme.el (custom-theme--listed-faces): New var.
(customize-create-theme): Use *Custom Theme* as the buffer name.
Set revert-buffer-function. Optional arg BUFFER. Insert all
faces listed in custom-theme--listed-faces.
(custom-theme-revert): New function.
(custom-theme-add-variable, custom-theme-add-face): Insert at the
bottom of the list.
(custom-theme-write): Prompt for theme name if empty.
(custom-theme-write-variables): Use dolist.
(custom-theme-write-faces): Handle hidden (collapsed) widgets.
(custom-theme-name, custom-theme-variables, custom-theme-faces)
(custom-theme-description): Add compiler defvars.
(customize-create-theme): Add doc to the "*New Custom Theme*"
buffer. Use `custom-new-theme-mode'.
(custom-theme-write): Put the created buffer in emacs-lisp-mode
and save it to the `custom-theme-directory'. Make this the
default directory of the buffer.
