335 lines
12 KiB
EmacsLisp
335 lines
12 KiB
EmacsLisp
;;; guix-ui.el --- Common code for Guix package management interface -*- lexical-binding: t -*-
|
||
|
||
;; Copyright © 2014, 2015 Alex Kost <alezost@gmail.com>
|
||
|
||
;; This file is part of GNU Guix.
|
||
|
||
;; GNU Guix 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 3 of the License, or
|
||
;; (at your option) any later version.
|
||
|
||
;; GNU Guix 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, see <http://www.gnu.org/licenses/>.
|
||
|
||
;;; Commentary:
|
||
|
||
;; This file provides some general code for 'list'/'info' interfaces for
|
||
;; packages and generations.
|
||
|
||
;;; Code:
|
||
|
||
(require 'cl-lib)
|
||
(require 'guix-backend)
|
||
(require 'guix-buffer)
|
||
(require 'guix-guile)
|
||
(require 'guix-utils)
|
||
(require 'guix-messages)
|
||
(require 'guix-profiles)
|
||
|
||
(guix-define-groups ui
|
||
:group-doc "\
|
||
Settings for 'ui' (Guix package management) buffers.
|
||
This group includes settings for displaying packages, outputs and
|
||
generations in 'list' and 'info' buffers.")
|
||
|
||
(defvar guix-ui-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(define-key map (kbd "M") 'guix-apply-manifest)
|
||
(define-key map (kbd "C-c C-z") 'guix-switch-to-repl)
|
||
map)
|
||
"Parent keymap for Guix package/generation buffers.")
|
||
|
||
(guix-buffer-define-current-args-accessors
|
||
"guix-ui-current" "profile" "search-type" "search-values")
|
||
|
||
(defun guix-ui-read-profile ()
|
||
"Return `guix-current-profile' or prompt for it.
|
||
This function is intended for using in `interactive' forms."
|
||
(if current-prefix-arg
|
||
(guix-profile-prompt)
|
||
guix-current-profile))
|
||
|
||
(defun guix-ui-get-entries (profile entry-type search-type search-values
|
||
&optional params)
|
||
"Receive ENTRY-TYPE entries for PROFILE.
|
||
Call an appropriate scheme procedure and return a list of entries.
|
||
|
||
ENTRY-TYPE should be one of the following symbols: `package',
|
||
`output' or `generation'.
|
||
|
||
SEARCH-TYPE may be one of the following symbols:
|
||
|
||
- If ENTRY-TYPE is `package' or `output': `id', `name', `regexp',
|
||
`all-available', `newest-available', `installed', `obsolete',
|
||
`generation'.
|
||
|
||
- If ENTRY-TYPE is `generation': `id', `last', `all', `time'.
|
||
|
||
PARAMS is a list of parameters for receiving. If nil, get data
|
||
with all available parameters."
|
||
(guix-eval-read
|
||
(guix-make-guile-expression
|
||
'entries
|
||
profile params entry-type search-type search-values)))
|
||
|
||
(defun guix-ui-list-describe (ids)
|
||
"Describe 'ui' entries with IDS (list of identifiers)."
|
||
(guix-buffer-get-display-entries
|
||
'info (guix-buffer-current-entry-type)
|
||
(cl-list* (guix-ui-current-profile) 'id ids)
|
||
'add))
|
||
|
||
|
||
;;; Buffers and auto updating
|
||
|
||
(defcustom guix-ui-update-after-operation 'current
|
||
"Define what kind of data to update after executing an operation.
|
||
|
||
After successful executing an operation in the Guix REPL (for
|
||
example after installing a package), the data in Guix buffers
|
||
will or will not be automatically updated depending on a value of
|
||
this variable.
|
||
|
||
If nil, update nothing (do not revert any buffer).
|
||
If `current', update the buffer from which an operation was performed.
|
||
If `all', update all Guix buffers (not recommended)."
|
||
:type '(choice (const :tag "Do nothing" nil)
|
||
(const :tag "Update operation buffer" current)
|
||
(const :tag "Update all Guix buffers" all))
|
||
:group 'guix-ui)
|
||
|
||
(defcustom guix-ui-buffer-name-function
|
||
#'guix-ui-buffer-name-default
|
||
"Function used to define a name of a Guix buffer.
|
||
The function is called with 2 arguments: BASE-NAME and PROFILE."
|
||
:type '(choice (function-item guix-ui-buffer-name-default)
|
||
(function-item guix-ui-buffer-name-simple)
|
||
(function :tag "Other function"))
|
||
:group 'guix-ui)
|
||
|
||
(defun guix-ui-buffer-name-simple (base-name &rest _)
|
||
"Return BASE-NAME."
|
||
base-name)
|
||
|
||
;; TODO separate '*...*' logic from the real profile appending. Also add
|
||
;; another function to return '*Guix ...: /full/path/to/profile*' name.
|
||
(defun guix-ui-buffer-name-default (base-name profile)
|
||
"Return buffer name by appending BASE-NAME and PROFILE's base file name."
|
||
(let ((profile-name (file-name-base (directory-file-name profile)))
|
||
(re (rx string-start
|
||
(group (? "*"))
|
||
(group (*? any))
|
||
(group (? "*"))
|
||
string-end)))
|
||
(or (string-match re base-name)
|
||
(error "Unexpected error in defining guix buffer name"))
|
||
(let ((first* (match-string 1 base-name))
|
||
(name-body (match-string 2 base-name))
|
||
(last* (match-string 3 base-name)))
|
||
;; Handle the case when buffer name is wrapped by '*'.
|
||
(if (and (string= "*" first*)
|
||
(string= "*" last*))
|
||
(concat "*" name-body ": " profile-name "*")
|
||
(concat base-name ": " profile-name)))))
|
||
|
||
(defun guix-ui-buffer-name (base-name profile)
|
||
"Return Guix buffer name based on BASE-NAME and profile.
|
||
See `guix-ui-buffer-name-function' for details."
|
||
(funcall guix-ui-buffer-name-function
|
||
base-name profile))
|
||
|
||
(defun guix-ui-buffer? (&optional buffer modes)
|
||
"Return non-nil if BUFFER mode is derived from any of the MODES.
|
||
If BUFFER is nil, check current buffer.
|
||
If MODES is nil, use `guix-list-mode' and `guix-info-mode'."
|
||
(with-current-buffer (or buffer (current-buffer))
|
||
(apply #'derived-mode-p
|
||
(or modes '(guix-list-mode guix-info-mode)))))
|
||
|
||
(defun guix-ui-buffers (&optional modes)
|
||
"Return a list of all buffers with major modes derived from MODES.
|
||
If MODES is nil, return list of all Guix 'list' and 'info' buffers."
|
||
(cl-remove-if-not (lambda (buf)
|
||
(guix-ui-buffer? buf modes))
|
||
(buffer-list)))
|
||
|
||
(defun guix-ui-update-buffer (buffer)
|
||
"Update data in a 'list' or 'info' BUFFER."
|
||
(with-current-buffer buffer
|
||
(guix-buffer-revert nil t)))
|
||
|
||
(defun guix-ui-update-buffers-after-operation ()
|
||
"Update buffers after Guix operation if needed.
|
||
See `guix-ui-update-after-operation' for details."
|
||
(let ((to-update
|
||
(and guix-operation-buffer
|
||
(cl-case guix-ui-update-after-operation
|
||
(current (and (buffer-live-p guix-operation-buffer)
|
||
(guix-ui-buffer? guix-operation-buffer)
|
||
(list guix-operation-buffer)))
|
||
(all (guix-ui-buffers))))))
|
||
(setq guix-operation-buffer nil)
|
||
(mapc #'guix-ui-update-buffer to-update)))
|
||
|
||
(add-hook 'guix-after-repl-operation-hook
|
||
'guix-ui-update-buffers-after-operation)
|
||
|
||
|
||
;;; Interface definers
|
||
|
||
(defmacro guix-ui-define-entry-type (entry-type &rest args)
|
||
"Define general code for ENTRY-TYPE.
|
||
Remaining arguments (ARGS) should have a form [KEYWORD VALUE] ...
|
||
|
||
The rest keyword arguments are passed to
|
||
`guix-define-entry-type' macro."
|
||
(declare (indent 1))
|
||
`(guix-define-entry-type ,entry-type
|
||
:parent-group guix-ui
|
||
:parent-faces-group guix-ui-faces
|
||
,@args))
|
||
|
||
(defmacro guix-ui-define-interface (buffer-type entry-type &rest args)
|
||
"Define BUFFER-TYPE interface for displaying ENTRY-TYPE entries.
|
||
Remaining arguments (ARGS) should have a form [KEYWORD VALUE] ...
|
||
In the following description TYPE means ENTRY-TYPE-BUFFER-TYPE.
|
||
|
||
Required keywords:
|
||
|
||
- `:buffer-name' - base part of a buffer name. It is used in a
|
||
generated `guix-TYPE-buffer-name' function; see
|
||
`guix-ui-buffer-name' for details.
|
||
|
||
Optional keywords:
|
||
|
||
- `:required' - default value of the generated
|
||
`guix-TYPE-required-params' variable.
|
||
|
||
The rest keyword arguments are passed to
|
||
`guix-BUFFER-TYPE-define-interface' macro.
|
||
|
||
Along with the mentioned definitions, this macro also defines:
|
||
|
||
- `guix-TYPE-mode-map' - keymap based on `guix-ui-map' and
|
||
`guix-BUFFER-TYPE-mode-map'.
|
||
|
||
- `guix-TYPE-get-entries' - a wrapper around `guix-ui-get-entries'.
|
||
|
||
- `guix-TYPE-message' - a wrapper around `guix-result-message'."
|
||
(declare (indent 2))
|
||
(let* ((entry-type-str (symbol-name entry-type))
|
||
(buffer-type-str (symbol-name buffer-type))
|
||
(prefix (concat "guix-" entry-type-str "-"
|
||
buffer-type-str))
|
||
(mode-str (concat prefix "-mode"))
|
||
(mode-map (intern (concat mode-str "-map")))
|
||
(parent-map (intern (format "guix-%s-mode-map"
|
||
buffer-type-str)))
|
||
(required-var (intern (concat prefix "-required-params")))
|
||
(buffer-name-fun (intern (concat prefix "-buffer-name")))
|
||
(get-fun (intern (concat prefix "-get-entries")))
|
||
(message-fun (intern (concat prefix "-message")))
|
||
(displayed-fun (intern (format "guix-%s-displayed-params"
|
||
buffer-type-str)))
|
||
(definer (intern (format "guix-%s-define-interface"
|
||
buffer-type-str))))
|
||
(guix-keyword-args-let args
|
||
((buffer-name-val :buffer-name)
|
||
(required-val :required ''(id)))
|
||
`(progn
|
||
(defvar ,mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(set-keymap-parent
|
||
map (make-composed-keymap ,parent-map guix-ui-map))
|
||
map)
|
||
,(format "Keymap for `%s' buffers." mode-str))
|
||
|
||
(defvar ,required-var ,required-val
|
||
,(format "\
|
||
List of the required '%s' parameters.
|
||
These parameters are received by `%S'
|
||
along with the displayed parameters.
|
||
|
||
Do not remove `id' from this list as it is required for
|
||
identifying an entry."
|
||
entry-type-str get-fun))
|
||
|
||
(defun ,buffer-name-fun (profile &rest _)
|
||
,(format "\
|
||
Return a name of '%s' buffer for displaying '%s' entries.
|
||
See `guix-ui-buffer-name' for details."
|
||
buffer-type-str entry-type-str)
|
||
(guix-ui-buffer-name ,buffer-name-val profile))
|
||
|
||
(defun ,get-fun (profile search-type &rest search-values)
|
||
,(format "\
|
||
Receive '%s' entries for displaying them in '%s' buffer.
|
||
See `guix-ui-get-entries' for details."
|
||
entry-type-str buffer-type-str)
|
||
(guix-ui-get-entries
|
||
profile ',entry-type search-type search-values
|
||
(cl-union ,required-var
|
||
(,displayed-fun ',entry-type))))
|
||
|
||
(defun ,message-fun (entries profile search-type
|
||
&rest search-values)
|
||
,(format "\
|
||
Display a message after showing '%s' entries."
|
||
entry-type-str)
|
||
(guix-result-message
|
||
profile entries ',entry-type search-type search-values))
|
||
|
||
(,definer ,entry-type
|
||
:get-entries-function ',get-fun
|
||
:message-function ',message-fun
|
||
:buffer-name ',buffer-name-fun
|
||
,@%foreign-args)))))
|
||
|
||
(defmacro guix-ui-info-define-interface (entry-type &rest args)
|
||
"Define 'info' interface for displaying ENTRY-TYPE entries.
|
||
See `guix-ui-define-interface'."
|
||
(declare (indent 1))
|
||
`(guix-ui-define-interface info ,entry-type
|
||
,@args))
|
||
|
||
(defmacro guix-ui-list-define-interface (entry-type &rest args)
|
||
"Define 'list' interface for displaying ENTRY-TYPE entries.
|
||
Remaining arguments (ARGS) should have a form [KEYWORD VALUE] ...
|
||
|
||
Optional keywords:
|
||
|
||
- `:describe-function' - default value of the generated
|
||
`guix-ENTRY-TYPE-list-describe-function' variable (if not
|
||
specified, use `guix-ui-list-describe').
|
||
|
||
The rest keyword arguments are passed to
|
||
`guix-ui-define-interface' macro."
|
||
(declare (indent 1))
|
||
(guix-keyword-args-let args
|
||
((describe-val :describe-function))
|
||
`(guix-ui-define-interface list ,entry-type
|
||
:describe-function ,(or describe-val ''guix-ui-list-describe)
|
||
,@args)))
|
||
|
||
|
||
(defvar guix-ui-font-lock-keywords
|
||
(eval-when-compile
|
||
`((,(rx "(" (group (or "guix-ui-define-entry-type"
|
||
"guix-ui-define-interface"
|
||
"guix-ui-info-define-interface"
|
||
"guix-ui-list-define-interface"))
|
||
symbol-end)
|
||
. 1))))
|
||
|
||
(font-lock-add-keywords 'emacs-lisp-mode guix-ui-font-lock-keywords)
|
||
|
||
(provide 'guix-ui)
|
||
|
||
;;; guix-ui.el ends here
|