blob: 4075e7a76256fe2ad8282f6174eb5daeb1f99ee3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
;;; gnus-eform.el --- a mode for editing forms for Gnus
;; Copyright (C) 1996-2011 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; This file is part of GNU Emacs.
;; GNU Emacs 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 Emacs 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'gnus)
(require 'gnus-win)
;;;
;;; Editing forms
;;;
(defgroup gnus-edit-form nil
"A mode for editing forms."
:group 'gnus)
(defcustom gnus-edit-form-mode-hook nil
"Hook run in `gnus-edit-form-mode' buffers."
:group 'gnus-edit-form
:type 'hook)
(defcustom gnus-edit-form-menu-hook nil
"Hook run when creating menus in `gnus-edit-form-mode' buffers."
:group 'gnus-edit-form
:type 'hook)
;;; Internal variables
(defvar gnus-edit-form-buffer "*Gnus edit form*")
(defvar gnus-edit-form-done-function nil)
(defvar gnus-edit-form-mode-map nil)
(unless gnus-edit-form-mode-map
(setq gnus-edit-form-mode-map (make-sparse-keymap))
(set-keymap-parent gnus-edit-form-mode-map emacs-lisp-mode-map)
(gnus-define-keys gnus-edit-form-mode-map
"\C-c\C-c" gnus-edit-form-done
"\C-c\C-k" gnus-edit-form-exit))
(defun gnus-edit-form-make-menu-bar ()
(unless (boundp 'gnus-edit-form-menu)
(easy-menu-define
gnus-edit-form-menu gnus-edit-form-mode-map ""
'("Edit Form"
["Exit and save changes" gnus-edit-form-done t]
["Exit" gnus-edit-form-exit t]))
(gnus-run-hooks 'gnus-edit-form-menu-hook)))
(defun gnus-edit-form-mode ()
"Major mode for editing forms.
It is a slightly enhanced emacs-lisp-mode.
\\{gnus-edit-form-mode-map}"
(interactive)
(when (gnus-visual-p 'group-menu 'menu)
(gnus-edit-form-make-menu-bar))
(kill-all-local-variables)
(setq major-mode 'gnus-edit-form-mode)
(setq mode-name "Edit Form")
(use-local-map gnus-edit-form-mode-map)
(make-local-variable 'gnus-edit-form-done-function)
(make-local-variable 'gnus-prev-winconf)
(gnus-run-mode-hooks 'gnus-edit-form-mode-hook))
(defun gnus-edit-form (form documentation exit-func &optional layout)
"Edit FORM in a new buffer.
Call EXIT-FUNC on exit. Display DOCUMENTATION in the beginning
of the buffer.
The optional LAYOUT overrides the `edit-form' window layout."
(let ((winconf (current-window-configuration)))
(set-buffer (gnus-get-buffer-create gnus-edit-form-buffer))
(gnus-configure-windows (or layout 'edit-form))
(gnus-edit-form-mode)
(setq gnus-prev-winconf winconf)
(setq gnus-edit-form-done-function exit-func)
(erase-buffer)
(insert documentation)
(unless (bolp)
(insert "\n"))
(goto-char (point-min))
(while (not (eobp))
(insert ";;; ")
(forward-line 1))
(insert ";; Type `C-c C-c' after you've finished editing.\n")
(insert "\n")
(let ((p (point)))
(gnus-pp form)
(insert "\n")
(goto-char p))))
(defun gnus-edit-form-done ()
"Update changes and kill the current buffer."
(interactive)
(goto-char (point-min))
(let ((form (condition-case nil
(read (current-buffer))
(end-of-file nil)))
(func gnus-edit-form-done-function))
(gnus-edit-form-exit)
(funcall func form)))
(defun gnus-edit-form-exit ()
"Kill the current buffer."
(interactive)
(let ((winconf gnus-prev-winconf))
(kill-buffer (current-buffer))
(set-window-configuration winconf)))
(provide 'gnus-eform)
;;; gnus-eform.el ends here
|
