HCoop / bpt / emacs.git / blame
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| eec82323 LMI |
1 | ;;; gnus-salt.el --- alternate summary mode interfaces for Gnus |
| 2 | ;; Copyright (C) 1996,97 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no> | |
| 5 | ||
| 6 | ;; This file is part of GNU Emacs. | |
| 7 | ||
| 8 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
| 9 | ;; it under the terms of the GNU General Public License as published by | |
| 10 | ;; the Free Software Foundation; either version 2, or (at your option) | |
| 11 | ;; any later version. | |
| 12 | ||
| 13 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 14 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | ;; GNU General Public License for more details. | |
| 17 | ||
| 18 | ;; You should have received a copy of the GNU General Public License | |
| 19 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
| 20 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 21 | ;; Boston, MA 02111-1307, USA. | |
| 22 | ||
| 23 | ;;; Commentary: | |
| 24 | ||
| 25 | ;;; Code: | |
| 26 | ||
| 27 | (require 'gnus) | |
| 28 | (require 'gnus-sum) | |
| 29 | ||
| 30 | ;;; | |
| 31 | ;;; gnus-pick-mode | |
| 32 | ;;; | |
| 33 | ||
| 34 | (defvar gnus-pick-mode nil | |
| 35 | "Minor mode for providing a pick-and-read interface in Gnus summary buffers.") | |
| 36 | ||
| 37 | (defvar gnus-pick-display-summary nil | |
| 38 | "*Display summary while reading.") | |
| 39 | ||
| 40 | (defvar gnus-pick-mode-hook nil | |
| 41 | "Hook run in summary pick mode buffers.") | |
| 42 | ||
| 43 | (defvar gnus-mark-unpicked-articles-as-read nil | |
| 44 | "*If non-nil, mark all unpicked articles as read.") | |
| 45 | ||
| 46 | (defvar gnus-pick-elegant-flow t | |
| 47 | "If non-nil, gnus-pick-start-reading will run gnus-summary-next-group when no articles have been picked.") | |
| 48 | ||
| 49 | (defvar gnus-summary-pick-line-format | |
| 50 | "%-5P %U\%R\%z\%I\%(%[%4L: %-20,20n%]%) %s\n" | |
| 51 | "*The format specification of the lines in pick buffers. | |
| 52 | It accepts the same format specs that `gnus-summary-line-format' does.") | |
| 53 | ||
| 54 | ;;; Internal variables. | |
| 55 | ||
| 56 | (defvar gnus-pick-mode-map nil) | |
| 57 | ||
| 58 | (unless gnus-pick-mode-map | |
| 59 | (setq gnus-pick-mode-map (make-sparse-keymap)) | |
| 60 | ||
| 61 | (gnus-define-keys | |
| 62 | gnus-pick-mode-map | |
| 63 | "t" gnus-uu-mark-thread | |
| 64 | "T" gnus-uu-unmark-thread | |
| 65 | " " gnus-pick-next-page | |
| 66 | "u" gnus-summary-unmark-as-processable | |
| 67 | "U" gnus-summary-unmark-all-processable | |
| 68 | "v" gnus-uu-mark-over | |
| 69 | "r" gnus-uu-mark-region | |
| 70 | "R" gnus-uu-unmark-region | |
| 71 | "e" gnus-uu-mark-by-regexp | |
| 72 | "E" gnus-uu-mark-by-regexp | |
| 73 | "b" gnus-uu-mark-buffer | |
| 74 | "B" gnus-uu-unmark-buffer | |
| 75 | "." gnus-pick-article | |
| 76 | gnus-down-mouse-2 gnus-pick-mouse-pick-region | |
| 77 | ;;gnus-mouse-2 gnus-pick-mouse-pick | |
| 78 | "X" gnus-pick-start-reading | |
| 79 | "\r" gnus-pick-start-reading)) | |
| 80 | ||
| 81 | (defun gnus-pick-make-menu-bar () | |
| 82 | (unless (boundp 'gnus-pick-menu) | |
| 83 | (easy-menu-define | |
| 84 | gnus-pick-menu gnus-pick-mode-map "" | |
| 85 | '("Pick" | |
| 86 | ("Pick" | |
| 87 | ["Article" gnus-summary-mark-as-processable t] | |
| 88 | ["Thread" gnus-uu-mark-thread t] | |
| 89 | ["Region" gnus-uu-mark-region t] | |
| 90 | ["Regexp" gnus-uu-mark-regexp t] | |
| 91 | ["Buffer" gnus-uu-mark-buffer t]) | |
| 92 | ("Unpick" | |
| 93 | ["Article" gnus-summary-unmark-as-processable t] | |
| 94 | ["Thread" gnus-uu-unmark-thread t] | |
| 95 | ["Region" gnus-uu-unmark-region t] | |
| 96 | ["Regexp" gnus-uu-unmark-regexp t] | |
| 97 | ["Buffer" gnus-uu-unmark-buffer t]) | |
| 98 | ["Start reading" gnus-pick-start-reading t] | |
| 99 | ["Switch pick mode off" gnus-pick-mode gnus-pick-mode])))) | |
| 100 | ||
| 101 | (defun gnus-pick-mode (&optional arg) | |
| 102 | "Minor mode for providing a pick-and-read interface in Gnus summary buffers. | |
| 103 | ||
| 104 | \\{gnus-pick-mode-map}" | |
| 105 | (interactive "P") | |
| 106 | (when (eq major-mode 'gnus-summary-mode) | |
| 107 | (if (not (set (make-local-variable 'gnus-pick-mode) | |
| 108 | (if (null arg) (not gnus-pick-mode) | |
| 109 | (> (prefix-numeric-value arg) 0)))) | |
| 110 | (remove-hook 'gnus-message-setup-hook 'gnus-pick-setup-message) | |
| 111 | ;; Make sure that we don't select any articles upon group entry. | |
| 112 | (set (make-local-variable 'gnus-auto-select-first) nil) | |
| 113 | ;; Change line format. | |
| 114 | (setq gnus-summary-line-format gnus-summary-pick-line-format) | |
| 115 | (setq gnus-summary-line-format-spec nil) | |
| 116 | (gnus-update-format-specifications nil 'summary) | |
| 117 | (gnus-update-summary-mark-positions) | |
| 118 | (add-hook 'gnus-message-setup-hook 'gnus-pick-setup-message) | |
| 119 | (set (make-local-variable 'gnus-summary-goto-unread) 'never) | |
| 120 | ;; Set up the menu. | |
| 121 | (when (gnus-visual-p 'pick-menu 'menu) | |
| 122 | (gnus-pick-make-menu-bar)) | |
| 123 | (unless (assq 'gnus-pick-mode minor-mode-alist) | |
| 124 | (push '(gnus-pick-mode " Pick") minor-mode-alist)) | |
| 125 | (unless (assq 'gnus-pick-mode minor-mode-map-alist) | |
| 126 | (push (cons 'gnus-pick-mode gnus-pick-mode-map) | |
| 127 | minor-mode-map-alist)) | |
| 128 | (run-hooks 'gnus-pick-mode-hook)))) | |
| 129 | ||
| 130 | (defun gnus-pick-setup-message () | |
| 131 | "Make Message do the right thing on exit." | |
| 132 | (when (and (gnus-buffer-live-p gnus-summary-buffer) | |
| 133 | (save-excursion | |
| 134 | (set-buffer gnus-summary-buffer) | |
| 135 | gnus-pick-mode)) | |
| 136 | (message-add-action | |
| 137 | '(gnus-configure-windows 'pick t) 'send 'exit 'postpone 'kill))) | |
| 138 | ||
| 139 | (defvar gnus-pick-line-number 1) | |
| 140 | (defun gnus-pick-line-number () | |
| 141 | "Return the current line number." | |
| 142 | (if (bobp) | |
| 143 | (setq gnus-pick-line-number 1) | |
| 144 | (incf gnus-pick-line-number))) | |
| 145 | ||
| 146 | (defun gnus-pick-start-reading (&optional catch-up) | |
| 147 | "Start reading the picked articles. | |
| 148 | If given a prefix, mark all unpicked articles as read." | |
| 149 | (interactive "P") | |
| 150 | (if gnus-newsgroup-processable | |
| 151 | (progn | |
| 152 | (gnus-summary-limit-to-articles nil) | |
| 153 | (when (or catch-up gnus-mark-unpicked-articles-as-read) | |
| 154 | (gnus-summary-limit-mark-excluded-as-read)) | |
| 155 | (gnus-summary-first-article) | |
| 156 | (gnus-configure-windows | |
| 157 | (if gnus-pick-display-summary 'article 'pick) t)) | |
| 158 | (if gnus-pick-elegant-flow | |
| 159 | (progn | |
| 160 | (when (or catch-up gnus-mark-unpicked-articles-as-read) | |
| 161 | (gnus-summary-limit-mark-excluded-as-read)) | |
| 162 | (if (gnus-group-quit-config gnus-newsgroup-name) | |
| 163 | (gnus-summary-exit) | |
| 164 | (gnus-summary-next-group))) | |
| 165 | (error "No articles have been picked")))) | |
| 166 | ||
| 167 | (defun gnus-pick-article (&optional arg) | |
| 168 | "Pick the article on the current line. | |
| 169 | If ARG, pick the article on that line instead." | |
| 170 | (interactive "P") | |
| 171 | (when arg | |
| 172 | (let (pos) | |
| 173 | (save-excursion | |
| 174 | (goto-char (point-min)) | |
| 175 | (when (zerop (forward-line (1- (prefix-numeric-value arg)))) | |
| 176 | (setq pos (point)))) | |
| 177 | (if (not pos) | |
| 178 | (gnus-error 2 "No such line: %s" arg) | |
| 179 | (goto-char pos)))) | |
| 180 | (gnus-summary-mark-as-processable 1)) | |
| 181 | ||
| 182 | (defun gnus-pick-mouse-pick (e) | |
| 183 | (interactive "e") | |
| 184 | (mouse-set-point e) | |
| 185 | (save-excursion | |
| 186 | (gnus-summary-mark-as-processable 1))) | |
| 187 | ||
| 188 | (defun gnus-pick-mouse-pick-region (start-event) | |
| 189 | "Pick articles that the mouse is dragged over. | |
| 190 | This must be bound to a button-down mouse event." | |
| 191 | (interactive "e") | |
| 192 | (mouse-minibuffer-check start-event) | |
| 193 | (let* ((echo-keystrokes 0) | |
| 194 | (start-posn (event-start start-event)) | |
| 195 | (start-point (posn-point start-posn)) | |
| 196 | (start-line (1+ (count-lines 1 start-point))) | |
| 197 | (start-window (posn-window start-posn)) | |
| 198 | (start-frame (window-frame start-window)) | |
| 199 | (bounds (window-edges start-window)) | |
| 200 | (top (nth 1 bounds)) | |
| 201 | (bottom (if (window-minibuffer-p start-window) | |
| 202 | (nth 3 bounds) | |
| 203 | ;; Don't count the mode line. | |
| 204 | (1- (nth 3 bounds)))) | |
| 205 | (click-count (1- (event-click-count start-event)))) | |
| 206 | (setq mouse-selection-click-count click-count) | |
| 207 | (setq mouse-selection-click-count-buffer (current-buffer)) | |
| 208 | (mouse-set-point start-event) | |
| 209 | ;; In case the down click is in the middle of some intangible text, | |
| 210 | ;; use the end of that text, and put it in START-POINT. | |
| 211 | (when (< (point) start-point) | |
| 212 | (goto-char start-point)) | |
| 213 | (gnus-pick-article) | |
| 214 | (setq start-point (point)) | |
| 215 | ;; end-of-range is used only in the single-click case. | |
| 216 | ;; It is the place where the drag has reached so far | |
| 217 | ;; (but not outside the window where the drag started). | |
| 218 | (let (event end end-point last-end-point (end-of-range (point))) | |
| 219 | (track-mouse | |
| 220 | (while (progn | |
| 221 | (setq event (read-event)) | |
| 222 | (or (mouse-movement-p event) | |
| 223 | (eq (car-safe event) 'switch-frame))) | |
| 224 | (if (eq (car-safe event) 'switch-frame) | |
| 225 | nil | |
| 226 | (setq end (event-end event) | |
| 227 | end-point (posn-point end)) | |
| 228 | (when end-point | |
| 229 | (setq last-end-point end-point)) | |
| 230 | ||
| 231 | (cond | |
| 232 | ;; Are we moving within the original window? | |
| 233 | ((and (eq (posn-window end) start-window) | |
| 234 | (integer-or-marker-p end-point)) | |
| 235 | ;; Go to START-POINT first, so that when we move to END-POINT, | |
| 236 | ;; if it's in the middle of intangible text, | |
| 237 | ;; point jumps in the direction away from START-POINT. | |
| 238 | (goto-char start-point) | |
| 239 | (goto-char end-point) | |
| 240 | (gnus-pick-article) | |
| 241 | ;; In case the user moved his mouse really fast, pick | |
| 242 | ;; articles on the line between this one and the last one. | |
| 243 | (let* ((this-line (1+ (count-lines 1 end-point))) | |
| 244 | (min-line (min this-line start-line)) | |
| 245 | (max-line (max this-line start-line))) | |
| 246 | (while (< min-line max-line) | |
| 247 | (goto-line min-line) | |
| 248 | (gnus-pick-article) | |
| 249 | (setq min-line (1+ min-line))) | |
| 250 | (setq start-line this-line)) | |
| 251 | (when (zerop (% click-count 3)) | |
| 252 | (setq end-of-range (point)))) | |
| 253 | (t | |
| 254 | (let ((mouse-row (cdr (cdr (mouse-position))))) | |
| 255 | (cond | |
| 256 | ((null mouse-row)) | |
| 257 | ((< mouse-row top) | |
| 258 | (mouse-scroll-subr start-window (- mouse-row top))) | |
| 259 | ((>= mouse-row bottom) | |
| 260 | (mouse-scroll-subr start-window | |
| 261 | (1+ (- mouse-row bottom))))))))))) | |
| 262 | (when (consp event) | |
| 263 | (let ((fun (key-binding (vector (car event))))) | |
| 264 | ;; Run the binding of the terminating up-event, if possible. | |
| 265 | ;; In the case of a multiple click, it gives the wrong results, | |
| 266 | ;; because it would fail to set up a region. | |
| 267 | (when nil | |
| 268 | ;; (and (= (mod mouse-selection-click-count 3) 0) (fboundp fun)) | |
| 269 | ;; In this case, we can just let the up-event execute normally. | |
| 270 | (let ((end (event-end event))) | |
| 271 | ;; Set the position in the event before we replay it, | |
| 272 | ;; because otherwise it may have a position in the wrong | |
| 273 | ;; buffer. | |
| 274 | (setcar (cdr end) end-of-range) | |
| 275 | ;; Delete the overlay before calling the function, | |
| 276 | ;; because delete-overlay increases buffer-modified-tick. | |
| 277 | (push event unread-command-events)))))))) | |
| 278 | ||
| 279 | (defun gnus-pick-next-page () | |
| 280 | "Go to the next page. If at the end of the buffer, start reading articles." | |
| 281 | (interactive) | |
| 282 | (let ((scroll-in-place nil)) | |
| 283 | (condition-case nil | |
| 284 | (scroll-up) | |
| 285 | (end-of-buffer (gnus-pick-start-reading))))) | |
| 286 | ||
| 287 | ;;; | |
| 288 | ;;; gnus-binary-mode | |
| 289 | ;;; | |
| 290 | ||
| 291 | (defvar gnus-binary-mode nil | |
| 292 | "Minor mode for providing a binary group interface in Gnus summary buffers.") | |
| 293 | ||
| 294 | (defvar gnus-binary-mode-hook nil | |
| 295 | "Hook run in summary binary mode buffers.") | |
| 296 | ||
| 297 | (defvar gnus-binary-mode-map nil) | |
| 298 | ||
| 299 | (unless gnus-binary-mode-map | |
| 300 | (setq gnus-binary-mode-map (make-sparse-keymap)) | |
| 301 | ||
| 302 | (gnus-define-keys | |
| 303 | gnus-binary-mode-map | |
| 304 | "g" gnus-binary-show-article)) | |
| 305 | ||
| 306 | (defun gnus-binary-make-menu-bar () | |
| 307 | (unless (boundp 'gnus-binary-menu) | |
| 308 | (easy-menu-define | |
| 309 | gnus-binary-menu gnus-binary-mode-map "" | |
| 310 | '("Pick" | |
| 311 | ["Switch binary mode off" gnus-binary-mode t])))) | |
| 312 | ||
| 313 | (defun gnus-binary-mode (&optional arg) | |
| 314 | "Minor mode for providing a binary group interface in Gnus summary buffers." | |
| 315 | (interactive "P") | |
| 316 | (when (eq major-mode 'gnus-summary-mode) | |
| 317 | (make-local-variable 'gnus-binary-mode) | |
| 318 | (setq gnus-binary-mode | |
| 319 | (if (null arg) (not gnus-binary-mode) | |
| 320 | (> (prefix-numeric-value arg) 0))) | |
| 321 | (when gnus-binary-mode | |
| 322 | ;; Make sure that we don't select any articles upon group entry. | |
| 323 | (make-local-variable 'gnus-auto-select-first) | |
| 324 | (setq gnus-auto-select-first nil) | |
| 325 | (make-local-variable 'gnus-summary-display-article-function) | |
| 326 | (setq gnus-summary-display-article-function 'gnus-binary-display-article) | |
| 327 | ;; Set up the menu. | |
| 328 | (when (gnus-visual-p 'binary-menu 'menu) | |
| 329 | (gnus-binary-make-menu-bar)) | |
| 330 | (unless (assq 'gnus-binary-mode minor-mode-alist) | |
| 331 | (push '(gnus-binary-mode " Binary") minor-mode-alist)) | |
| 332 | (unless (assq 'gnus-binary-mode minor-mode-map-alist) | |
| 333 | (push (cons 'gnus-binary-mode gnus-binary-mode-map) | |
| 334 | minor-mode-map-alist)) | |
| 335 | (run-hooks 'gnus-binary-mode-hook)))) | |
| 336 | ||
| 337 | (defun gnus-binary-display-article (article &optional all-header) | |
| 338 | "Run ARTICLE through the binary decode functions." | |
| 339 | (when (gnus-summary-goto-subject article) | |
| 340 | (let ((gnus-view-pseudos 'automatic)) | |
| 341 | (gnus-uu-decode-uu)))) | |
| 342 | ||
| 343 | (defun gnus-binary-show-article (&optional arg) | |
| 344 | "Bypass the binary functions and show the article." | |
| 345 | (interactive "P") | |
| 346 | (let (gnus-summary-display-article-function) | |
| 347 | (gnus-summary-show-article arg))) | |
| 348 | ||
| 349 | ;;; | |
| 350 | ;;; gnus-tree-mode | |
| 351 | ;;; | |
| 352 | ||
| 353 | (defvar gnus-tree-line-format "%(%[%3,3n%]%)" | |
| 354 | "Format of tree elements.") | |
| 355 | ||
| 356 | (defvar gnus-tree-minimize-window t | |
| 357 | "If non-nil, minimize the tree buffer window. | |
| 358 | If a number, never let the tree buffer grow taller than that number of | |
| 359 | lines.") | |
| 360 | ||
| 361 | (defvar gnus-selected-tree-face 'modeline | |
| 362 | "*Face used for highlighting selected articles in the thread tree.") | |
| 363 | ||
| 364 | (defvar gnus-tree-brackets '((?\[ . ?\]) (?\( . ?\)) | |
| 365 | (?\{ . ?\}) (?< . ?>)) | |
| 366 | "Brackets used in tree nodes.") | |
| 367 | ||
| 368 | (defvar gnus-tree-parent-child-edges '(?- ?\\ ?|) | |
| 369 | "Characters used to connect parents with children.") | |
| 370 | ||
| 371 | (defvar gnus-tree-mode-line-format "Gnus: %%b %S %Z" | |
| 372 | "*The format specification for the tree mode line.") | |
| 373 | ||
| 374 | (defvar gnus-generate-tree-function 'gnus-generate-vertical-tree | |
| 375 | "*Function for generating a thread tree. | |
| 376 | Two predefined functions are available: | |
| 377 | `gnus-generate-horizontal-tree' and `gnus-generate-vertical-tree'.") | |
| 378 | ||
| 379 | (defvar gnus-tree-mode-hook nil | |
| 380 | "*Hook run in tree mode buffers.") | |
| 381 | ||
| 382 | ;;; Internal variables. | |
| 383 | ||
| 384 | (defvar gnus-tree-line-format-alist | |
| 385 | `((?n gnus-tmp-name ?s) | |
| 386 | (?f gnus-tmp-from ?s) | |
| 387 | (?N gnus-tmp-number ?d) | |
| 388 | (?\[ gnus-tmp-open-bracket ?c) | |
| 389 | (?\] gnus-tmp-close-bracket ?c) | |
| 390 | (?s gnus-tmp-subject ?s))) | |
| 391 | ||
| 392 | (defvar gnus-tree-mode-line-format-alist gnus-summary-mode-line-format-alist) | |
| 393 | ||
| 394 | (defvar gnus-tree-mode-line-format-spec nil) | |
| 395 | (defvar gnus-tree-line-format-spec nil) | |
| 396 | ||
| 397 | (defvar gnus-tree-node-length nil) | |
| 398 | (defvar gnus-selected-tree-overlay nil) | |
| 399 | ||
| 400 | (defvar gnus-tree-displayed-thread nil) | |
| 401 | ||
| 402 | (defvar gnus-tree-mode-map nil) | |
| 403 | (put 'gnus-tree-mode 'mode-class 'special) | |
| 404 | ||
| 405 | (unless gnus-tree-mode-map | |
| 406 | (setq gnus-tree-mode-map (make-keymap)) | |
| 407 | (suppress-keymap gnus-tree-mode-map) | |
| 408 | (gnus-define-keys | |
| 409 | gnus-tree-mode-map | |
| 410 | "\r" gnus-tree-select-article | |
| 411 | gnus-mouse-2 gnus-tree-pick-article | |
| 412 | "\C-?" gnus-tree-read-summary-keys | |
| 413 | ||
| 414 | "\C-c\C-i" gnus-info-find-node) | |
| 415 | ||
| 416 | (substitute-key-definition | |
| 417 | 'undefined 'gnus-tree-read-summary-keys gnus-tree-mode-map)) | |
| 418 | ||
| 419 | (defun gnus-tree-make-menu-bar () | |
| 420 | (unless (boundp 'gnus-tree-menu) | |
| 421 | (easy-menu-define | |
| 422 | gnus-tree-menu gnus-tree-mode-map "" | |
| 423 | '("Tree" | |
| 424 | ["Select article" gnus-tree-select-article t])))) | |
| 425 | ||
| 426 | (defun gnus-tree-mode () | |
| 427 | "Major mode for displaying thread trees." | |
| 428 | (interactive) | |
| 429 | (setq gnus-tree-mode-line-format-spec | |
| 430 | (gnus-parse-format gnus-tree-mode-line-format | |
| 431 | gnus-summary-mode-line-format-alist)) | |
| 432 | (setq gnus-tree-line-format-spec | |
| 433 | (gnus-parse-format gnus-tree-line-format | |
| 434 | gnus-tree-line-format-alist t)) | |
| 435 | (when (gnus-visual-p 'tree-menu 'menu) | |
| 436 | (gnus-tree-make-menu-bar)) | |
| 437 | (kill-all-local-variables) | |
| 438 | (gnus-simplify-mode-line) | |
| 439 | (setq mode-name "Tree") | |
| 440 | (setq major-mode 'gnus-tree-mode) | |
| 441 | (use-local-map gnus-tree-mode-map) | |
| 442 | (buffer-disable-undo (current-buffer)) | |
| 443 | (setq buffer-read-only t) | |
| 444 | (setq truncate-lines t) | |
| 445 | (save-excursion | |
| 446 | (gnus-set-work-buffer) | |
| 447 | (gnus-tree-node-insert (make-mail-header "") nil) | |
| 448 | (setq gnus-tree-node-length (1- (point)))) | |
| 449 | (run-hooks 'gnus-tree-mode-hook)) | |
| 450 | ||
| 451 | (defun gnus-tree-read-summary-keys (&optional arg) | |
| 452 | "Read a summary buffer key sequence and execute it." | |
| 453 | (interactive "P") | |
| 454 | (let ((buf (current-buffer)) | |
| 455 | win) | |
| 456 | (gnus-article-read-summary-keys arg nil t) | |
| 457 | (when (setq win (get-buffer-window buf)) | |
| 458 | (select-window win) | |
| 459 | (when gnus-selected-tree-overlay | |
| 460 | (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1))) | |
| 461 | (gnus-tree-minimize)))) | |
| 462 | ||
| 463 | (defun gnus-tree-select-article (article) | |
| 464 | "Select the article under point, if any." | |
| 465 | (interactive (list (gnus-tree-article-number))) | |
| 466 | (let ((buf (current-buffer))) | |
| 467 | (when article | |
| 468 | (save-excursion | |
| 469 | (set-buffer gnus-summary-buffer) | |
| 470 | (gnus-summary-goto-article article)) | |
| 471 | (select-window (get-buffer-window buf))))) | |
| 472 | ||
| 473 | (defun gnus-tree-pick-article (e) | |
| 474 | "Select the article under the mouse pointer." | |
| 475 | (interactive "e") | |
| 476 | (mouse-set-point e) | |
| 477 | (gnus-tree-select-article (gnus-tree-article-number))) | |
| 478 | ||
| 479 | (defun gnus-tree-article-number () | |
| 480 | (get-text-property (point) 'gnus-number)) | |
| 481 | ||
| 482 | (defun gnus-tree-article-region (article) | |
| 483 | "Return a cons with BEG and END of the article region." | |
| 484 | (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article))) | |
| 485 | (when pos | |
| 486 | (cons pos (next-single-property-change pos 'gnus-number))))) | |
| 487 | ||
| 488 | (defun gnus-tree-goto-article (article) | |
| 489 | (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article))) | |
| 490 | (when pos | |
| 491 | (goto-char pos)))) | |
| 492 | ||
| 493 | (defun gnus-tree-recenter () | |
| 494 | "Center point in the tree window." | |
| 495 | (let ((selected (selected-window)) | |
| 496 | (tree-window (get-buffer-window gnus-tree-buffer t))) | |
| 497 | (when tree-window | |
| 498 | (select-window tree-window) | |
| 499 | (when gnus-selected-tree-overlay | |
| 500 | (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1))) | |
| 501 | (let* ((top (cond ((< (window-height) 4) 0) | |
| 502 | ((< (window-height) 7) 1) | |
| 503 | (t 2))) | |
| 504 | (height (1- (window-height))) | |
| 505 | (bottom (save-excursion (goto-char (point-max)) | |
| 506 | (forward-line (- height)) | |
| 507 | (point)))) | |
| 508 | ;; Set the window start to either `bottom', which is the biggest | |
| 509 | ;; possible valid number, or the second line from the top, | |
| 510 | ;; whichever is the least. | |
| 511 | (set-window-start | |
| 512 | tree-window (min bottom (save-excursion | |
| 513 | (forward-line (- top)) (point))))) | |
| 514 | (select-window selected)))) | |
| 515 | ||
| 516 | (defun gnus-get-tree-buffer () | |
| 517 | "Return the tree buffer properly initialized." | |
| 518 | (save-excursion | |
| 519 | (set-buffer (get-buffer-create gnus-tree-buffer)) | |
| 520 | (unless (eq major-mode 'gnus-tree-mode) | |
| 521 | (gnus-add-current-to-buffer-list) | |
| 522 | (gnus-tree-mode)) | |
| 523 | (current-buffer))) | |
| 524 | ||
| 525 | (defun gnus-tree-minimize () | |
| 526 | (when (and gnus-tree-minimize-window | |
| 527 | (not (one-window-p))) | |
| 528 | (let ((windows 0) | |
| 529 | tot-win-height) | |
| 530 | (walk-windows (lambda (window) (incf windows))) | |
| 531 | (setq tot-win-height | |
| 532 | (- (frame-height) | |
| 533 | (* window-min-height (1- windows)) | |
| 534 | 2)) | |
| 535 | (let* ((window-min-height 2) | |
| 536 | (height (count-lines (point-min) (point-max))) | |
| 537 | (min (max (1- window-min-height) height)) | |
| 538 | (tot (if (numberp gnus-tree-minimize-window) | |
| 539 | (min gnus-tree-minimize-window min) | |
| 540 | min)) | |
| 541 | (win (get-buffer-window (current-buffer))) | |
| 542 | (wh (and win (1- (window-height win))))) | |
| 543 | (setq tot (min tot tot-win-height)) | |
| 544 | (when (and win | |
| 545 | (not (eq tot wh))) | |
| 546 | (let ((selected (selected-window))) | |
| 547 | (when (ignore-errors (select-window win)) | |
| 548 | (enlarge-window (- tot wh)) | |
| 549 | (select-window selected)))))))) | |
| 550 | ||
| 551 | ;;; Generating the tree. | |
| 552 | ||
| 553 | (defun gnus-tree-node-insert (header sparse &optional adopted) | |
| 554 | (let* ((dummy (stringp header)) | |
| 555 | (header (if (vectorp header) header | |
| 556 | (progn | |
| 557 | (setq header (make-mail-header "*****")) | |
| 558 | (mail-header-set-number header 0) | |
| 559 | (mail-header-set-lines header 0) | |
| 560 | (mail-header-set-chars header 0) | |
| 561 | header))) | |
| 562 | (gnus-tmp-from (mail-header-from header)) | |
| 563 | (gnus-tmp-subject (mail-header-subject header)) | |
| 564 | (gnus-tmp-number (mail-header-number header)) | |
| 565 | (gnus-tmp-name | |
| 566 | (cond | |
| 567 | ((string-match "(.+)" gnus-tmp-from) | |
| 568 | (substring gnus-tmp-from | |
| 569 | (1+ (match-beginning 0)) (1- (match-end 0)))) | |
| 570 | ((string-match "<[^>]+> *$" gnus-tmp-from) | |
| 571 | (let ((beg (match-beginning 0))) | |
| 572 | (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from) | |
| 573 | (substring gnus-tmp-from (1+ (match-beginning 0)) | |
| 574 | (1- (match-end 0)))) | |
| 575 | (substring gnus-tmp-from 0 beg)))) | |
| 576 | ((memq gnus-tmp-number sparse) | |
| 577 | "***") | |
| 578 | (t gnus-tmp-from))) | |
| 579 | (gnus-tmp-open-bracket | |
| 580 | (cond ((memq gnus-tmp-number sparse) | |
| 581 | (caadr gnus-tree-brackets)) | |
| 582 | (dummy (caaddr gnus-tree-brackets)) | |
| 583 | (adopted (car (nth 3 gnus-tree-brackets))) | |
| 584 | (t (caar gnus-tree-brackets)))) | |
| 585 | (gnus-tmp-close-bracket | |
| 586 | (cond ((memq gnus-tmp-number sparse) | |
| 587 | (cdadr gnus-tree-brackets)) | |
| 588 | (adopted (cdr (nth 3 gnus-tree-brackets))) | |
| 589 | (dummy | |
| 590 | (cdaddr gnus-tree-brackets)) | |
| 591 | (t (cdar gnus-tree-brackets)))) | |
| 592 | (buffer-read-only nil) | |
| 593 | beg end) | |
| 594 | (gnus-add-text-properties | |
| 595 | (setq beg (point)) | |
| 596 | (setq end (progn (eval gnus-tree-line-format-spec) (point))) | |
| 597 | (list 'gnus-number gnus-tmp-number)) | |
| 598 | (when (or t (gnus-visual-p 'tree-highlight 'highlight)) | |
| 599 | (gnus-tree-highlight-node gnus-tmp-number beg end)))) | |
| 600 | ||
| 601 | (defun gnus-tree-highlight-node (article beg end) | |
| 602 | "Highlight current line according to `gnus-summary-highlight'." | |
| 603 | (let ((list gnus-summary-highlight) | |
| 604 | face) | |
| 605 | (save-excursion | |
| 606 | (set-buffer gnus-summary-buffer) | |
| 607 | (let* ((score (or (cdr (assq article gnus-newsgroup-scored)) | |
| 608 | gnus-summary-default-score 0)) | |
| 609 | (default gnus-summary-default-score) | |
| 610 | (mark (or (gnus-summary-article-mark article) gnus-unread-mark))) | |
| 611 | ;; Eval the cars of the lists until we find a match. | |
| 612 | (while (and list | |
| 613 | (not (eval (caar list)))) | |
| 614 | (setq list (cdr list))))) | |
| 615 | (unless (eq (setq face (cdar list)) (get-text-property beg 'face)) | |
| 616 | (gnus-put-text-property | |
| 617 | beg end 'face | |
| 618 | (if (boundp face) (symbol-value face) face))))) | |
| 619 | ||
| 620 | (defun gnus-tree-indent (level) | |
| 621 | (insert (make-string (1- (* (1+ gnus-tree-node-length) level)) ? ))) | |
| 622 | ||
| 623 | (defvar gnus-tmp-limit) | |
| 624 | (defvar gnus-tmp-sparse) | |
| 625 | (defvar gnus-tmp-indent) | |
| 626 | ||
| 627 | (defun gnus-generate-tree (thread) | |
| 628 | "Generate a thread tree for THREAD." | |
| 629 | (save-excursion | |
| 630 | (set-buffer (gnus-get-tree-buffer)) | |
| 631 | (let ((buffer-read-only nil) | |
| 632 | (gnus-tmp-indent 0)) | |
| 633 | (erase-buffer) | |
| 634 | (funcall gnus-generate-tree-function thread 0) | |
| 635 | (gnus-set-mode-line 'tree) | |
| 636 | (goto-char (point-min)) | |
| 637 | (gnus-tree-minimize) | |
| 638 | (gnus-tree-recenter) | |
| 639 | (let ((selected (selected-window))) | |
| 640 | (when (get-buffer-window (set-buffer gnus-tree-buffer) t) | |
| 641 | (select-window (get-buffer-window (set-buffer gnus-tree-buffer) t)) | |
| 642 | (gnus-horizontal-recenter) | |
| 643 | (select-window selected)))))) | |
| 644 | ||
| 645 | (defun gnus-generate-horizontal-tree (thread level &optional dummyp adopted) | |
| 646 | "Generate a horizontal tree." | |
| 647 | (let* ((dummy (stringp (car thread))) | |
| 648 | (do (or dummy | |
| 649 | (memq (mail-header-number (car thread)) gnus-tmp-limit))) | |
| 650 | col beg) | |
| 651 | (if (not do) | |
| 652 | ;; We don't want this article. | |
| 653 | (setq thread (cdr thread)) | |
| 654 | (if (not (bolp)) | |
| 655 | ;; Not the first article on the line, so we insert a "-". | |
| 656 | (insert (car gnus-tree-parent-child-edges)) | |
| 657 | ;; If the level isn't zero, then we insert some indentation. | |
| 658 | (unless (zerop level) | |
| 659 | (gnus-tree-indent level) | |
| 660 | (insert (cadr gnus-tree-parent-child-edges)) | |
| 661 | (setq col (- (setq beg (point)) (gnus-point-at-bol) 1)) | |
| 662 | ;; Draw "|" lines upwards. | |
| 663 | (while (progn | |
| 664 | (forward-line -1) | |
| 665 | (forward-char col) | |
| 666 | (= (following-char) ? )) | |
| 667 | (delete-char 1) | |
| 668 | (insert (caddr gnus-tree-parent-child-edges))) | |
| 669 | (goto-char beg))) | |
| 670 | (setq dummyp nil) | |
| 671 | ;; Insert the article node. | |
| 672 | (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted)) | |
| 673 | (if (null thread) | |
| 674 | ;; End of the thread, so we go to the next line. | |
| 675 | (unless (bolp) | |
| 676 | (insert "\n")) | |
| 677 | ;; Recurse downwards in all children of this article. | |
| 678 | (while thread | |
| 679 | (gnus-generate-horizontal-tree | |
| 680 | (pop thread) (if do (1+ level) level) | |
| 681 | (or dummyp dummy) dummy))))) | |
| 682 | ||
| 683 | (defsubst gnus-tree-indent-vertical () | |
| 684 | (let ((len (- (* (1+ gnus-tree-node-length) gnus-tmp-indent) | |
| 685 | (- (point) (gnus-point-at-bol))))) | |
| 686 | (when (> len 0) | |
| 687 | (insert (make-string len ? ))))) | |
| 688 | ||
| 689 | (defsubst gnus-tree-forward-line (n) | |
| 690 | (while (>= (decf n) 0) | |
| 691 | (unless (zerop (forward-line 1)) | |
| 692 | (end-of-line) | |
| 693 | (insert "\n"))) | |
| 694 | (end-of-line)) | |
| 695 | ||
| 696 | (defun gnus-generate-vertical-tree (thread level &optional dummyp adopted) | |
| 697 | "Generate a vertical tree." | |
| 698 | (let* ((dummy (stringp (car thread))) | |
| 699 | (do (or dummy | |
| 700 | (and (car thread) | |
| 701 | (memq (mail-header-number (car thread)) | |
| 702 | gnus-tmp-limit)))) | |
| 703 | beg) | |
| 704 | (if (not do) | |
| 705 | ;; We don't want this article. | |
| 706 | (setq thread (cdr thread)) | |
| 707 | (if (not (save-excursion (beginning-of-line) (bobp))) | |
| 708 | ;; Not the first article on the line, so we insert a "-". | |
| 709 | (progn | |
| 710 | (gnus-tree-indent-vertical) | |
| 711 | (insert (make-string (/ gnus-tree-node-length 2) ? )) | |
| 712 | (insert (caddr gnus-tree-parent-child-edges)) | |
| 713 | (gnus-tree-forward-line 1)) | |
| 714 | ;; If the level isn't zero, then we insert some indentation. | |
| 715 | (unless (zerop gnus-tmp-indent) | |
| 716 | (gnus-tree-forward-line (1- (* 2 level))) | |
| 717 | (gnus-tree-indent-vertical) | |
| 718 | (delete-char -1) | |
| 719 | (insert (cadr gnus-tree-parent-child-edges)) | |
| 720 | (setq beg (point)) | |
| 721 | ;; Draw "-" lines leftwards. | |
| 722 | (while (progn | |
| 723 | (unless (bolp) | |
| 724 | (forward-char -2)) | |
| 725 | (= (following-char) ? )) | |
| 726 | (delete-char 1) | |
| 727 | (insert (car gnus-tree-parent-child-edges))) | |
| 728 | (goto-char beg) | |
| 729 | (gnus-tree-forward-line 1))) | |
| 730 | (setq dummyp nil) | |
| 731 | ;; Insert the article node. | |
| 732 | (gnus-tree-indent-vertical) | |
| 733 | (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted) | |
| 734 | (gnus-tree-forward-line 1)) | |
| 735 | (if (null thread) | |
| 736 | ;; End of the thread, so we go to the next line. | |
| 737 | (progn | |
| 738 | (goto-char (point-min)) | |
| 739 | (end-of-line) | |
| 740 | (incf gnus-tmp-indent)) | |
| 741 | ;; Recurse downwards in all children of this article. | |
| 742 | (while thread | |
| 743 | (gnus-generate-vertical-tree | |
| 744 | (pop thread) (if do (1+ level) level) | |
| 745 | (or dummyp dummy) dummy))))) | |
| 746 | ||
| 747 | ;;; Interface functions. | |
| 748 | ||
| 749 | (defun gnus-possibly-generate-tree (article &optional force) | |
| 750 | "Generate the thread tree for ARTICLE if it isn't displayed already." | |
| 751 | (when (save-excursion | |
| 752 | (set-buffer gnus-summary-buffer) | |
| 753 | (and gnus-use-trees | |
| 754 | gnus-show-threads | |
| 755 | (vectorp (gnus-summary-article-header article)))) | |
| 756 | (save-excursion | |
| 757 | (let ((top (save-excursion | |
| 758 | (set-buffer gnus-summary-buffer) | |
| 759 | (gnus-cut-thread | |
| 760 | (gnus-remove-thread | |
| 761 | (mail-header-id | |
| 762 | (gnus-summary-article-header article)) | |
| 763 | t)))) | |
| 764 | (gnus-tmp-limit gnus-newsgroup-limit) | |
| 765 | (gnus-tmp-sparse gnus-newsgroup-sparse)) | |
| 766 | (when (or force | |
| 767 | (not (eq top gnus-tree-displayed-thread))) | |
| 768 | (gnus-generate-tree top) | |
| 769 | (setq gnus-tree-displayed-thread top)))))) | |
| 770 | ||
| 771 | (defun gnus-tree-open (group) | |
| 772 | (gnus-get-tree-buffer)) | |
| 773 | ||
| 774 | (defun gnus-tree-close (group) | |
| 775 | ;(gnus-kill-buffer gnus-tree-buffer) | |
| 776 | ) | |
| 777 | ||
| 778 | (defun gnus-highlight-selected-tree (article) | |
| 779 | "Highlight the selected article in the tree." | |
| 780 | (let ((buf (current-buffer)) | |
| 781 | region) | |
| 782 | (set-buffer gnus-tree-buffer) | |
| 783 | (when (setq region (gnus-tree-article-region article)) | |
| 784 | (when (or (not gnus-selected-tree-overlay) | |
| 785 | (gnus-extent-detached-p gnus-selected-tree-overlay)) | |
| 786 | ;; Create a new overlay. | |
| 787 | (gnus-overlay-put | |
| 788 | (setq gnus-selected-tree-overlay (gnus-make-overlay 1 2)) | |
| 789 | 'face gnus-selected-tree-face)) | |
| 790 | ;; Move the overlay to the article. | |
| 791 | (gnus-move-overlay | |
| 792 | gnus-selected-tree-overlay (goto-char (car region)) (cdr region)) | |
| 793 | (gnus-tree-minimize) | |
| 794 | (gnus-tree-recenter) | |
| 795 | (let ((selected (selected-window))) | |
| 796 | (when (get-buffer-window (set-buffer gnus-tree-buffer) t) | |
| 797 | (select-window (get-buffer-window (set-buffer gnus-tree-buffer) t)) | |
| 798 | (gnus-horizontal-recenter) | |
| 799 | (select-window selected)))) | |
| 800 | ;; If we remove this save-excursion, it updates the wrong mode lines?!? | |
| 801 | (save-excursion | |
| 802 | (set-buffer gnus-tree-buffer) | |
| 803 | (gnus-set-mode-line 'tree)) | |
| 804 | (set-buffer buf))) | |
| 805 | ||
| 806 | (defun gnus-tree-highlight-article (article face) | |
| 807 | (save-excursion | |
| 808 | (set-buffer (gnus-get-tree-buffer)) | |
| 809 | (let (region) | |
| 810 | (when (setq region (gnus-tree-article-region article)) | |
| 811 | (gnus-put-text-property (car region) (cdr region) 'face face) | |
| 812 | (set-window-point | |
| 813 | (get-buffer-window (current-buffer) t) (cdr region)))))) | |
| 814 | ||
| 815 | ;;; | |
| 816 | ;;; gnus-carpal | |
| 817 | ;;; | |
| 818 | ||
| 819 | (defvar gnus-carpal-group-buffer-buttons | |
| 820 | '(("next" . gnus-group-next-unread-group) | |
| 821 | ("prev" . gnus-group-prev-unread-group) | |
| 822 | ("read" . gnus-group-read-group) | |
| 823 | ("select" . gnus-group-select-group) | |
| 824 | ("catch-up" . gnus-group-catchup-current) | |
| 825 | ("new-news" . gnus-group-get-new-news-this-group) | |
| 826 | ("toggle-sub" . gnus-group-unsubscribe-current-group) | |
| 827 | ("subscribe" . gnus-group-unsubscribe-group) | |
| 828 | ("kill" . gnus-group-kill-group) | |
| 829 | ("yank" . gnus-group-yank-group) | |
| 830 | ("describe" . gnus-group-describe-group) | |
| 831 | "list" | |
| 832 | ("subscribed" . gnus-group-list-groups) | |
| 833 | ("all" . gnus-group-list-all-groups) | |
| 834 | ("killed" . gnus-group-list-killed) | |
| 835 | ("zombies" . gnus-group-list-zombies) | |
| 836 | ("matching" . gnus-group-list-matching) | |
| 837 | ("post" . gnus-group-post-news) | |
| 838 | ("mail" . gnus-group-mail) | |
| 839 | ("rescan" . gnus-group-get-new-news) | |
| 840 | ("browse-foreign" . gnus-group-browse-foreign) | |
| 841 | ("exit" . gnus-group-exit))) | |
| 842 | ||
| 843 | (defvar gnus-carpal-summary-buffer-buttons | |
| 844 | '("mark" | |
| 845 | ("read" . gnus-summary-mark-as-read-forward) | |
| 846 | ("tick" . gnus-summary-tick-article-forward) | |
| 847 | ("clear" . gnus-summary-clear-mark-forward) | |
| 848 | ("expirable" . gnus-summary-mark-as-expirable) | |
| 849 | "move" | |
| 850 | ("scroll" . gnus-summary-next-page) | |
| 851 | ("next-unread" . gnus-summary-next-unread-article) | |
| 852 | ("prev-unread" . gnus-summary-prev-unread-article) | |
| 853 | ("first" . gnus-summary-first-unread-article) | |
| 854 | ("best" . gnus-summary-best-unread-article) | |
| 855 | "article" | |
| 856 | ("headers" . gnus-summary-toggle-header) | |
| 857 | ("uudecode" . gnus-uu-decode-uu) | |
| 858 | ("enter-digest" . gnus-summary-enter-digest-group) | |
| 859 | ("fetch-parent" . gnus-summary-refer-parent-article) | |
| 860 | "mail" | |
| 861 | ("move" . gnus-summary-move-article) | |
| 862 | ("copy" . gnus-summary-copy-article) | |
| 863 | ("respool" . gnus-summary-respool-article) | |
| 864 | "threads" | |
| 865 | ("lower" . gnus-summary-lower-thread) | |
| 866 | ("kill" . gnus-summary-kill-thread) | |
| 867 | "post" | |
| 868 | ("post" . gnus-summary-post-news) | |
| 869 | ("mail" . gnus-summary-mail) | |
| 870 | ("followup" . gnus-summary-followup-with-original) | |
| 871 | ("reply" . gnus-summary-reply-with-original) | |
| 872 | ("cancel" . gnus-summary-cancel-article) | |
| 873 | "misc" | |
| 874 | ("exit" . gnus-summary-exit) | |
| 875 | ("fed-up" . gnus-summary-catchup-and-goto-next-group))) | |
| 876 | ||
| 877 | (defvar gnus-carpal-server-buffer-buttons | |
| 878 | '(("add" . gnus-server-add-server) | |
| 879 | ("browse" . gnus-server-browse-server) | |
| 880 | ("list" . gnus-server-list-servers) | |
| 881 | ("kill" . gnus-server-kill-server) | |
| 882 | ("yank" . gnus-server-yank-server) | |
| 883 | ("copy" . gnus-server-copy-server) | |
| 884 | ("exit" . gnus-server-exit))) | |
| 885 | ||
| 886 | (defvar gnus-carpal-browse-buffer-buttons | |
| 887 | '(("subscribe" . gnus-browse-unsubscribe-current-group) | |
| 888 | ("exit" . gnus-browse-exit))) | |
| 889 | ||
| 890 | (defvar gnus-carpal-group-buffer "*Carpal Group*") | |
| 891 | (defvar gnus-carpal-summary-buffer "*Carpal Summary*") | |
| 892 | (defvar gnus-carpal-server-buffer "*Carpal Server*") | |
| 893 | (defvar gnus-carpal-browse-buffer "*Carpal Browse*") | |
| 894 | ||
| 895 | (defvar gnus-carpal-attached-buffer nil) | |
| 896 | ||
| 897 | (defvar gnus-carpal-mode-hook nil | |
| 898 | "*Hook run in carpal mode buffers.") | |
| 899 | ||
| 900 | (defvar gnus-carpal-button-face 'bold | |
| 901 | "*Face used on carpal buttons.") | |
| 902 | ||
| 903 | (defvar gnus-carpal-header-face 'bold-italic | |
| 904 | "*Face used on carpal buffer headers.") | |
| 905 | ||
| 906 | (defvar gnus-carpal-mode-map nil) | |
| 907 | (put 'gnus-carpal-mode 'mode-class 'special) | |
| 908 | ||
| 909 | (if gnus-carpal-mode-map | |
| 910 | nil | |
| 911 | (setq gnus-carpal-mode-map (make-keymap)) | |
| 912 | (suppress-keymap gnus-carpal-mode-map) | |
| 913 | (define-key gnus-carpal-mode-map " " 'gnus-carpal-select) | |
| 914 | (define-key gnus-carpal-mode-map "\r" 'gnus-carpal-select) | |
| 915 | (define-key gnus-carpal-mode-map gnus-mouse-2 'gnus-carpal-mouse-select)) | |
| 916 | ||
| 917 | (defun gnus-carpal-mode () | |
| 918 | "Major mode for clicking buttons. | |
| 919 | ||
| 920 | All normal editing commands are switched off. | |
| 921 | \\<gnus-carpal-mode-map> | |
| 922 | The following commands are available: | |
| 923 | ||
| 924 | \\{gnus-carpal-mode-map}" | |
| 925 | (interactive) | |
| 926 | (kill-all-local-variables) | |
| 927 | (setq mode-line-modified "-- ") | |
| 928 | (setq major-mode 'gnus-carpal-mode) | |
| 929 | (setq mode-name "Gnus Carpal") | |
| 930 | (setq mode-line-process nil) | |
| 931 | (use-local-map gnus-carpal-mode-map) | |
| 932 | (buffer-disable-undo (current-buffer)) | |
| 933 | (setq buffer-read-only t) | |
| 934 | (make-local-variable 'gnus-carpal-attached-buffer) | |
| 935 | (run-hooks 'gnus-carpal-mode-hook)) | |
| 936 | ||
| 937 | (defun gnus-carpal-setup-buffer (type) | |
| 938 | (let ((buffer (symbol-value (intern (format "gnus-carpal-%s-buffer" type))))) | |
| 939 | (if (get-buffer buffer) | |
| 940 | () | |
| 941 | (save-excursion | |
| 942 | (set-buffer (get-buffer-create buffer)) | |
| 943 | (gnus-carpal-mode) | |
| 944 | (setq gnus-carpal-attached-buffer | |
| 945 | (intern (format "gnus-%s-buffer" type))) | |
| 946 | (gnus-add-current-to-buffer-list) | |
| 947 | (let ((buttons (symbol-value | |
| 948 | (intern (format "gnus-carpal-%s-buffer-buttons" | |
| 949 | type)))) | |
| 950 | (buffer-read-only nil) | |
| 951 | button) | |
| 952 | (while buttons | |
| 953 | (setq button (car buttons) | |
| 954 | buttons (cdr buttons)) | |
| 955 | (if (stringp button) | |
| 956 | (gnus-set-text-properties | |
| 957 | (point) | |
| 958 | (prog2 (insert button) (point) (insert " ")) | |
| 959 | (list 'face gnus-carpal-header-face)) | |
| 960 | (gnus-set-text-properties | |
| 961 | (point) | |
| 962 | (prog2 (insert (car button)) (point) (insert " ")) | |
| 963 | (list 'gnus-callback (cdr button) | |
| 964 | 'face gnus-carpal-button-face | |
| 965 | gnus-mouse-face-prop 'highlight)))) | |
| 966 | (let ((fill-column (- (window-width) 2))) | |
| 967 | (fill-region (point-min) (point-max))) | |
| 968 | (set-window-point (get-buffer-window (current-buffer)) | |
| 969 | (point-min))))))) | |
| 970 | ||
| 971 | (defun gnus-carpal-select () | |
| 972 | "Select the button under point." | |
| 973 | (interactive) | |
| 974 | (let ((func (get-text-property (point) 'gnus-callback))) | |
| 975 | (if (null func) | |
| 976 | () | |
| 977 | (pop-to-buffer (symbol-value gnus-carpal-attached-buffer)) | |
| 978 | (call-interactively func)))) | |
| 979 | ||
| 980 | (defun gnus-carpal-mouse-select (event) | |
| 981 | "Select the button under the mouse pointer." | |
| 982 | (interactive "e") | |
| 983 | (mouse-set-point event) | |
| 984 | (gnus-carpal-select)) | |
| 985 | ||
| 986 | ;;; Allow redefinition of functions. | |
| 987 | (gnus-ems-redefine) | |
| 988 | ||
| 989 | (provide 'gnus-salt) | |
| 990 | ||
| 991 | ;;; gnus-salt.el ends here |