HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 2900b2d8 | 1 | ;;; newst-plainview.el --- Single buffer frontend for newsticker. |
| 2415d4c6 | 2 | |
| ba318903 | 3 | ;; Copyright (C) 2003-2014 Free Software Foundation, Inc. |
| 2415d4c6 UJ |
4 | |
| 5 | ;; Author: Ulf Jasper <ulf.jasper@web.de> | |
| 2900b2d8 | 6 | ;; Filename: newst-plainview.el |
| 2415d4c6 | 7 | ;; URL: http://www.nongnu.org/newsticker |
| 958614cf | 8 | ;; Time-stamp: "Mon 11-Feb-2013 20:27:11 gm on skiddaw" |
| bd78fa1d | 9 | ;; Package: newsticker |
| 2415d4c6 UJ |
10 | |
| 11 | ;; ====================================================================== | |
| 12 | ||
| f3afdff3 GM |
13 | ;; This file is part of GNU Emacs. |
| 14 | ||
| 2415d4c6 UJ |
15 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
| 16 | ;; it under the terms of the GNU General Public License as published by | |
| 17 | ;; the Free Software Foundation, either version 3 of the License, or | |
| 18 | ;; (at your option) any later version. | |
| 19 | ||
| 20 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 21 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 22 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 23 | ;; GNU General Public License for more details. | |
| 24 | ||
| 25 | ;; You should have received a copy of the GNU General Public License | |
| 26 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
| 27 | ||
| 28 | ;; ====================================================================== | |
| 29 | ;;; Commentary: | |
| 30 | ||
| 31 | ;; See newsticker.el | |
| 32 | ||
| 33 | ;; ====================================================================== | |
| 34 | ;;; Code: | |
| 35 | ||
| 8e39154d UJ |
36 | (require 'newst-ticker) |
| 37 | (require 'newst-reader) | |
| 2415d4c6 UJ |
38 | (require 'derived) |
| 39 | (require 'xml) | |
| 40 | ||
| 41 | ;; Silence warnings | |
| 2415d4c6 UJ |
42 | (defvar w3-mode-map) |
| 43 | (defvar w3m-minor-mode-map) | |
| 44 | ||
| 45 | ;; ====================================================================== | |
| 46 | ;;; Customization | |
| 47 | ;; ====================================================================== | |
| 48 | (defgroup newsticker-plainview nil | |
| 49 | "Settings for the simple plain view reader. | |
| 50 | See also `newsticker-plainview-hooks'." | |
| 51 | :group 'newsticker-reader) | |
| 52 | ||
| 53 | ||
| 54 | (defun newsticker--set-customvar-buffer (symbol value) | |
| 55 | "Set newsticker-variable SYMBOL value to VALUE. | |
| 56 | Calls all actions which are necessary in order to make the new | |
| 57 | value effective." | |
| 58 | (if (or (not (boundp symbol)) | |
| 59 | (equal (symbol-value symbol) value)) | |
| 60 | (set symbol value) | |
| 61 | ;; something must have changed | |
| 62 | (set symbol value) | |
| 63 | (newsticker--buffer-set-uptodate nil))) | |
| 64 | ||
| 65 | (defun newsticker--set-customvar-sorting (symbol value) | |
| 66 | "Set newsticker-variable SYMBOL value to VALUE. | |
| 67 | Calls all actions which are necessary in order to make the new | |
| 68 | value effective." | |
| 69 | (if (or (not (boundp symbol)) | |
| 70 | (equal (symbol-value symbol) value)) | |
| 71 | (set symbol value) | |
| 72 | ;; something must have changed | |
| 73 | (set symbol value) | |
| 74 | (message "Applying new sort method...") | |
| 75 | (when (fboundp 'newsticker--cache-sort) (newsticker--cache-sort)) | |
| 76 | (when (fboundp 'newsticker--buffer-set-uptodate) | |
| 77 | (newsticker--buffer-set-uptodate nil)) | |
| 78 | (message "Applying new sort method...done"))) | |
| 79 | ||
| 80 | (defcustom newsticker-sort-method | |
| 81 | 'sort-by-original-order | |
| 82 | "Sort method for news items. | |
| 83 | The following sort methods are available: | |
| 84 | * `sort-by-original-order' keeps the order in which the items | |
| 85 | appear in the headline file (please note that for immortal items, | |
| 86 | which have been removed from the news feed, there is no original | |
| 87 | order), | |
| 88 | * `sort-by-time' looks at the time at which an item has been seen | |
| 89 | the first time. The most recent item is put at top, | |
| 90 | * `sort-by-title' will put the items in an alphabetical order." | |
| 91 | :type '(choice | |
| 92 | (const :tag "Keep original order" sort-by-original-order) | |
| 93 | (const :tag "Sort by time" sort-by-time) | |
| 94 | (const :tag "Sort by title" sort-by-title)) | |
| 95 | :set 'newsticker--set-customvar-sorting | |
| 96 | :group 'newsticker-plainview) | |
| 97 | ||
| 98 | (defcustom newsticker-heading-format | |
| 99 | "%l | |
| 100 | %t %d %s" | |
| 101 | "Format string for feed headings. | |
| 102 | The following printf-like specifiers can be used: | |
| 103 | %d The date the feed was retrieved. See `newsticker-date-format'. | |
| 104 | %l The logo (image) of the feed. Most news feeds provide a small | |
| 105 | image as logo. Newsticker can display them, if Emacs can -- | |
| 106 | see `image-types' for a list of supported image types. | |
| 107 | %L The logo (image) of the feed. If the logo is not available | |
| 108 | the title of the feed is used. | |
| 109 | %s The statistical data of the feed. See `newsticker-statistics-format'. | |
| 110 | %t The title of the feed, i.e. its name." | |
| 111 | :type 'string | |
| 112 | :set 'newsticker--set-customvar-formatting | |
| 113 | :group 'newsticker-plainview) | |
| 114 | ||
| 115 | (defcustom newsticker-item-format | |
| 116 | "%t %d" | |
| 117 | "Format string for news item headlines. | |
| 118 | The following printf-like specifiers can be used: | |
| 119 | %d The date the item was (first) retrieved. See `newsticker-date-format'. | |
| 120 | %l The logo (image) of the feed. Most news feeds provide a small | |
| 121 | image as logo. Newsticker can display them, if Emacs can -- | |
| 122 | see `image-types' for a list of supported image types. | |
| 123 | %L The logo (image) of the feed. If the logo is not available | |
| 124 | the title of the feed is used. | |
| 125 | %t The title of the item." | |
| 126 | :type 'string | |
| 127 | :set 'newsticker--set-customvar-formatting | |
| 128 | :group 'newsticker-plainview) | |
| 129 | ||
| 130 | (defcustom newsticker-desc-format | |
| 131 | "%d %c" | |
| 132 | "Format string for news descriptions (contents). | |
| 133 | The following printf-like specifiers can be used: | |
| 134 | %c The contents (description) of the item. | |
| 135 | %d The date the item was (first) retrieved. See | |
| 136 | `newsticker-date-format'." | |
| 137 | :type 'string | |
| 138 | :set 'newsticker--set-customvar-formatting | |
| 139 | :group 'newsticker-plainview) | |
| 140 | ||
| 141 | (defcustom newsticker-statistics-format | |
| 142 | "[%n + %i + %o + %O = %a]" | |
| 143 | "Format for the statistics part in feed lines. | |
| 144 | The following printf-like specifiers can be used: | |
| 145 | %a The number of all items in the feed. | |
| 146 | %i The number of immortal items in the feed. | |
| 147 | %n The number of new items in the feed. | |
| 148 | %o The number of old items in the feed. | |
| 149 | %O The number of obsolete items in the feed." | |
| 150 | :type 'string | |
| 151 | :set 'newsticker--set-customvar-formatting | |
| 152 | :group 'newsticker-plainview) | |
| 153 | ||
| 154 | ||
| 155 | ;; ====================================================================== | |
| 156 | ;; faces | |
| 2415d4c6 | 157 | |
| 4b56d0fe | 158 | (defface newsticker-new-item-face '((t :weight bold)) |
| 2415d4c6 UJ |
159 | "Face for new news items." |
| 160 | :group 'newsticker-faces) | |
| 161 | ||
| 162 | (defface newsticker-old-item-face | |
| 4b56d0fe CY |
163 | '((default :weight bold) |
| 164 | (((class color) (background dark)) :foreground "orange3") | |
| 165 | (((class color) (background light)) :foreground "red4")) | |
| 2415d4c6 UJ |
166 | "Face for old news items." |
| 167 | :group 'newsticker-faces) | |
| 168 | ||
| 169 | (defface newsticker-immortal-item-face | |
| 4b56d0fe CY |
170 | '((default :weight bold :slant italic) |
| 171 | (((class color) (background dark)) :foreground "orange") | |
| 172 | (((class color) (background light)) :foreground "blue")) | |
| 2415d4c6 UJ |
173 | "Face for immortal news items." |
| 174 | :group 'newsticker-faces) | |
| 175 | ||
| 176 | (defface newsticker-obsolete-item-face | |
| 4b56d0fe | 177 | '((t :weight bold :strike-through t)) |
| 2415d4c6 UJ |
178 | "Face for old news items." |
| 179 | :group 'newsticker-faces) | |
| 180 | ||
| 4b56d0fe | 181 | (defface newsticker-date-face '((t :slant italic :height 0.8)) |
| 2415d4c6 UJ |
182 | "Face for newsticker dates." |
| 183 | :group 'newsticker-faces) | |
| 184 | ||
| 4b56d0fe | 185 | (defface newsticker-statistics-face '((t :slant italic :height 0.8)) |
| 2415d4c6 UJ |
186 | "Face for newsticker dates." |
| 187 | :group 'newsticker-faces) | |
| 188 | ||
| 4b56d0fe | 189 | (defface newsticker-default-face '((t)) |
| 2415d4c6 | 190 | "Face for the description of news items." |
| 2415d4c6 UJ |
191 | :group 'newsticker-faces) |
| 192 | ||
| 193 | (defcustom newsticker-hide-old-items-in-newsticker-buffer | |
| 194 | nil | |
| 195 | "Decides whether to automatically hide old items in the *newsticker* buffer. | |
| 196 | If set to t old items will be completely folded and only new | |
| 197 | items will show up in the *newsticker* buffer. Otherwise old as | |
| 198 | well as new items will be visible." | |
| 199 | :type 'boolean | |
| 200 | :set 'newsticker--set-customvar-buffer | |
| 201 | :group 'newsticker-plainview) | |
| 202 | ||
| 203 | (defcustom newsticker-show-descriptions-of-new-items | |
| 204 | t | |
| 205 | "Whether to automatically show descriptions of new items in *newsticker*. | |
| 206 | If set to t old items will be folded and new items will be | |
| 207 | unfolded. Otherwise old as well as new items will be folded." | |
| 208 | :type 'boolean | |
| 209 | :set 'newsticker--set-customvar-buffer | |
| 210 | :group 'newsticker-plainview) | |
| 211 | ||
| 212 | (defcustom newsticker-show-all-news-elements | |
| 213 | nil | |
| 214 | "Show all news elements." | |
| 215 | :type 'boolean | |
| 216 | ;;:set 'newsticker--set-customvar | |
| 217 | :group 'newsticker-plainview) | |
| 218 | ||
| 219 | ;; ====================================================================== | |
| 220 | ;; hooks | |
| 221 | (defgroup newsticker-plainview-hooks nil | |
| 222 | "Settings for newsticker hooks which apply to plainview only." | |
| 223 | :group 'newsticker-hooks) | |
| 224 | ||
| 225 | (defcustom newsticker-select-item-hook | |
| 226 | 'newsticker--buffer-make-item-completely-visible | |
| 227 | "List of functions run after a headline has been selected. | |
| 228 | Each function is called after one of `newsticker-next-item', | |
| 229 | `newsticker-next-new-item', `newsticker-previous-item', | |
| 230 | `newsticker-previous-new-item' has been called. | |
| 231 | ||
| 232 | The default value 'newsticker--buffer-make-item-completely-visible | |
| 233 | assures that the current item is always completely visible." | |
| 234 | :type 'hook | |
| 235 | :options '(newsticker--buffer-make-item-completely-visible) | |
| 236 | :group 'newsticker-plainview-hooks) | |
| 237 | ||
| 238 | (defcustom newsticker-select-feed-hook | |
| 239 | 'newsticker--buffer-make-item-completely-visible | |
| 240 | "List of functions run after a feed has been selected. | |
| 241 | Each function is called after one of `newsticker-next-feed', and | |
| 242 | `newsticker-previous-feed' has been called. | |
| 243 | ||
| 244 | The default value 'newsticker--buffer-make-item-completely-visible | |
| 245 | assures that the current feed is completely visible." | |
| 246 | :type 'hook | |
| 247 | :options '(newsticker--buffer-make-item-completely-visible) | |
| 248 | :group 'newsticker-plainview-hooks) | |
| 249 | ||
| 250 | (defcustom newsticker-buffer-change-hook | |
| 251 | 'newsticker-w3m-show-inline-images | |
| 252 | "List of functions run after the newsticker buffer has been updated. | |
| 253 | Each function is called after `newsticker-buffer-update' has been called. | |
| 254 | ||
| 255 | The default value '`newsticker-w3m-show-inline-images' loads inline | |
| 256 | images." | |
| 257 | :type 'hook | |
| 258 | :group 'newsticker-plainview-hooks) | |
| 259 | ||
| 260 | (defcustom newsticker-narrow-hook | |
| 261 | 'newsticker-w3m-show-inline-images | |
| 262 | "List of functions run after narrowing in newsticker buffer has changed. | |
| 263 | Each function is called after | |
| 264 | `newsticker-toggle-auto-narrow-to-feed' or | |
| 265 | `newsticker-toggle-auto-narrow-to-item' has been called. | |
| 266 | ||
| 267 | The default value '`newsticker-w3m-show-inline-images' loads inline | |
| 268 | images." | |
| 269 | :type 'hook | |
| 270 | :group 'newsticker-plainview-hooks) | |
| 271 | ||
| 272 | ;; ====================================================================== | |
| 273 | ;;; Toolbar | |
| 274 | ;; ====================================================================== | |
| 275 | ||
| 276 | (defvar newsticker--plainview-tool-bar-map | |
| 277 | (if (featurep 'xemacs) | |
| 278 | nil | |
| 352b43ab GM |
279 | (if (boundp 'tool-bar-map) |
| 280 | (let ((tool-bar-map (make-sparse-keymap))) | |
| 42c7e61e UJ |
281 | (tool-bar-add-item "newsticker/prev-feed" |
| 282 | 'newsticker-previous-feed | |
| 283 | 'newsticker-previous-feed | |
| 284 | :help "Go to previous feed" | |
| 285 | :enable '(newsticker-previous-feed-available-p)) | |
| 286 | (tool-bar-add-item "newsticker/prev-item" | |
| 287 | 'newsticker-previous-item | |
| 288 | 'newsticker-previous-item | |
| 289 | :help "Go to previous item" | |
| 290 | :enable '(newsticker-previous-item-available-p)) | |
| 291 | (tool-bar-add-item "newsticker/next-item" | |
| 292 | 'newsticker-next-item | |
| 293 | 'newsticker-next-item | |
| 294 | :help "Go to next item" | |
| 295 | :enable '(newsticker-next-item-available-p)) | |
| 296 | (tool-bar-add-item "newsticker/next-feed" | |
| 297 | 'newsticker-next-feed | |
| 298 | 'newsticker-next-feed | |
| 299 | :help "Go to next feed" | |
| 300 | :enable '(newsticker-next-feed-available-p)) | |
| 301 | (tool-bar-add-item "newsticker/narrow" | |
| 302 | 'newsticker-toggle-auto-narrow-to-feed | |
| 303 | 'newsticker-toggle-auto-narrow-to-feed | |
| 304 | :help "Toggle visibility of other feeds") | |
| 305 | (tool-bar-add-item "newsticker/mark-immortal" | |
| 306 | 'newsticker-mark-item-at-point-as-immortal | |
| 307 | 'newsticker-mark-item-at-point-as-immortal | |
| 308 | :help "Mark current item as immortal" | |
| 309 | :enable '(newsticker-item-not-immortal-p)) | |
| 310 | (tool-bar-add-item "newsticker/mark-read" | |
| 311 | 'newsticker-mark-item-at-point-as-read | |
| 312 | 'newsticker-mark-item-at-point-as-read | |
| 313 | :help "Mark current item as read" | |
| 314 | :enable '(newsticker-item-not-old-p)) | |
| 315 | (tool-bar-add-item "newsticker/get-all-news" | |
| 316 | 'newsticker-get-all-news | |
| 317 | 'newsticker-get-all-news | |
| 318 | :help "Get news for all feeds") | |
| 319 | (tool-bar-add-item "newsticker/update" | |
| 320 | 'newsticker-buffer-force-update | |
| 321 | 'newsticker-buffer-force-update | |
| 322 | :help "Update newsticker buffer" | |
| 323 | :enable '(not newsticker--buffer-uptodate-p)) | |
| 324 | (tool-bar-add-item "newsticker/browse-url" | |
| 325 | 'newsticker-browse-url | |
| 326 | 'newsticker-browse-url | |
| 327 | :help "Browse URL for item at point") | |
| 328 | ;; standard icons / actions | |
| 352b43ab GM |
329 | (define-key tool-bar-map [newsticker-sep-1] |
| 330 | (list 'menu-item "--double-line")) | |
| 352b43ab GM |
331 | (tool-bar-add-item "close" |
| 332 | 'newsticker-close-buffer | |
| 333 | 'newsticker-close-buffer | |
| 334 | :help "Close newsticker buffer") | |
| 335 | (tool-bar-add-item "preferences" | |
| 336 | 'newsticker-customize | |
| 337 | 'newsticker-customize | |
| 338 | :help "Customize newsticker") | |
| 339 | tool-bar-map)))) | |
| 2415d4c6 UJ |
340 | |
| 341 | ;; ====================================================================== | |
| 342 | ;;; Newsticker mode | |
| 343 | ;; ====================================================================== | |
| 344 | ||
| b016851c SM |
345 | |
| 346 | ;; newsticker menu | |
| 347 | (defvar newsticker-menu | |
| 348 | (let ((map (make-sparse-keymap "Newsticker"))) | |
| 349 | ||
| 350 | (define-key map [newsticker-browse-url] | |
| 351 | '("Browse URL for item at point" . newsticker-browse-url)) | |
| 352 | (define-key map [newsticker-separator-1] | |
| 353 | '("--")) | |
| 354 | (define-key map [newsticker-buffer-update] | |
| 355 | '("Update buffer" . newsticker-buffer-update)) | |
| 356 | (define-key map [newsticker-separator-2] | |
| 357 | '("--")) | |
| 358 | (define-key map [newsticker-get-all-news] | |
| 359 | '("Get news from all feeds" . newsticker-get-all-news)) | |
| 360 | (define-key map [newsticker-get-news-at-point] | |
| 361 | '("Get news from feed at point" . newsticker-get-news-at-point)) | |
| 362 | (define-key map [newsticker-separator-3] | |
| 363 | '("--")) | |
| 364 | (define-key map [newsticker-mark-all-items-as-read] | |
| 365 | '("Mark all items as read" . newsticker-mark-all-items-as-read)) | |
| 366 | (define-key map [newsticker-mark-all-items-at-point-as-read] | |
| 367 | '("Mark all items in feed at point as read" . | |
| 368 | newsticker-mark-all-items-at-point-as-read)) | |
| 369 | (define-key map [newsticker-mark-item-at-point-as-read] | |
| 370 | '("Mark item at point as read" . | |
| 371 | newsticker-mark-item-at-point-as-read)) | |
| 372 | (define-key map [newsticker-mark-item-at-point-as-immortal] | |
| 373 | '("Toggle immortality for item at point" . | |
| 374 | newsticker-mark-item-at-point-as-immortal)) | |
| 375 | (define-key map [newsticker-separator-4] | |
| 376 | '("--")) | |
| 377 | (define-key map [newsticker-toggle-auto-narrow-to-item] | |
| 378 | '("Narrow to single item" . newsticker-toggle-auto-narrow-to-item)) | |
| 379 | (define-key map [newsticker-toggle-auto-narrow-to-feed] | |
| 380 | '("Narrow to single news feed" . newsticker-toggle-auto-narrow-to-feed)) | |
| 381 | (define-key map [newsticker-hide-old-items] | |
| 382 | '("Hide old items" . newsticker-hide-old-items)) | |
| 383 | (define-key map [newsticker-show-old-items] | |
| 384 | '("Show old items" . newsticker-show-old-items)) | |
| 385 | (define-key map [newsticker-next-item] | |
| 386 | '("Go to next item" . newsticker-next-item)) | |
| 387 | (define-key map [newsticker-previous-item] | |
| 388 | '("Go to previous item" . newsticker-previous-item)) | |
| 389 | map)) | |
| 390 | ||
| 391 | (defvar newsticker-mode-map | |
| 392 | (let ((map (make-keymap))) | |
| 393 | (define-key map "sO" 'newsticker-show-old-items) | |
| 394 | (define-key map "hO" 'newsticker-hide-old-items) | |
| 395 | (define-key map "sa" 'newsticker-show-all-desc) | |
| 396 | (define-key map "ha" 'newsticker-hide-all-desc) | |
| 397 | (define-key map "sf" 'newsticker-show-feed-desc) | |
| 398 | (define-key map "hf" 'newsticker-hide-feed-desc) | |
| 399 | (define-key map "so" 'newsticker-show-old-item-desc) | |
| 400 | (define-key map "ho" 'newsticker-hide-old-item-desc) | |
| 401 | (define-key map "sn" 'newsticker-show-new-item-desc) | |
| 402 | (define-key map "hn" 'newsticker-hide-new-item-desc) | |
| 403 | (define-key map "se" 'newsticker-show-entry) | |
| 404 | (define-key map "he" 'newsticker-hide-entry) | |
| 405 | (define-key map "sx" 'newsticker-show-extra) | |
| 406 | (define-key map "hx" 'newsticker-hide-extra) | |
| 407 | ||
| 958614cf | 408 | (define-key map [?\S-\ ] 'scroll-down-command) |
| ce3cefcc | 409 | (define-key map " " 'scroll-up-command) |
| b016851c SM |
410 | (define-key map "q" 'newsticker-close-buffer) |
| 411 | (define-key map "p" 'newsticker-previous-item) | |
| 412 | (define-key map "P" 'newsticker-previous-new-item) | |
| 413 | (define-key map "F" 'newsticker-previous-feed) | |
| 414 | (define-key map "\t" 'newsticker-next-item) | |
| 415 | (define-key map "n" 'newsticker-next-item) | |
| 416 | (define-key map "N" 'newsticker-next-new-item) | |
| 417 | (define-key map "f" 'newsticker-next-feed) | |
| 418 | (define-key map "M" 'newsticker-mark-all-items-as-read) | |
| 419 | (define-key map "m" | |
| 420 | 'newsticker-mark-all-items-at-point-as-read-and-redraw) | |
| 421 | (define-key map "o" | |
| 422 | 'newsticker-mark-item-at-point-as-read) | |
| 423 | (define-key map "O" | |
| 424 | 'newsticker-mark-all-items-at-point-as-read) | |
| 425 | (define-key map "G" 'newsticker-get-all-news) | |
| 426 | (define-key map "g" 'newsticker-get-news-at-point) | |
| 427 | (define-key map "u" 'newsticker-buffer-update) | |
| 428 | (define-key map "U" 'newsticker-buffer-force-update) | |
| 429 | (define-key map "a" 'newsticker-add-url) | |
| 430 | ||
| 431 | (define-key map "i" | |
| 432 | 'newsticker-mark-item-at-point-as-immortal) | |
| 433 | ||
| 434 | (define-key map "xf" | |
| 435 | 'newsticker-toggle-auto-narrow-to-feed) | |
| 436 | (define-key map "xi" | |
| 437 | 'newsticker-toggle-auto-narrow-to-item) | |
| 438 | ||
| 439 | ;; Bind menu to mouse. | |
| 440 | (define-key map [down-mouse-3] newsticker-menu) | |
| 441 | ;; Put menu in menu-bar. | |
| 442 | (define-key map [menu-bar Newsticker] | |
| 443 | (cons "Newsticker" newsticker-menu)) | |
| 444 | ||
| 445 | map)) | |
| 446 | ||
| 2415d4c6 UJ |
447 | (define-derived-mode newsticker-mode fundamental-mode |
| 448 | "NewsTicker" | |
| 449 | "Viewing news feeds in Emacs." | |
| 352b43ab GM |
450 | (if (boundp 'tool-bar-map) |
| 451 | (set (make-local-variable 'tool-bar-map) | |
| 452 | newsticker--plainview-tool-bar-map)) | |
| 2415d4c6 UJ |
453 | (set (make-local-variable 'imenu-sort-function) nil) |
| 454 | (set (make-local-variable 'scroll-conservatively) 999) | |
| 455 | (setq imenu-create-index-function 'newsticker--imenu-create-index) | |
| 456 | (setq imenu-default-goto-function 'newsticker--imenu-goto) | |
| 457 | (setq buffer-read-only t) | |
| 458 | (auto-fill-mode -1) ;; turn auto-fill off! | |
| 459 | (font-lock-mode -1) ;; turn off font-lock!! | |
| 460 | (set (make-local-variable 'font-lock-defaults) nil) | |
| 461 | (set (make-local-variable 'line-move-ignore-invisible) t) | |
| 462 | (setq mode-line-format | |
| 463 | (list "-" | |
| 464 | 'mode-line-mule-info | |
| 465 | 'mode-line-modified | |
| 466 | 'mode-line-frame-identification | |
| 467 | " Newsticker (" | |
| 468 | '(newsticker--buffer-uptodate-p | |
| 469 | "up to date" | |
| 470 | "NEED UPDATE") | |
| 471 | ") " | |
| 472 | '(:eval (format "[%d]" (length newsticker--process-ids))) | |
| 473 | " -- " | |
| 474 | '(:eval (newsticker--buffer-get-feed-title-at-point)) | |
| 475 | ": " | |
| 476 | '(:eval (newsticker--buffer-get-item-title-at-point)) | |
| 477 | " %-")) | |
| 478 | (add-to-invisibility-spec 't) | |
| 479 | (unless newsticker-show-all-news-elements | |
| 480 | (add-to-invisibility-spec 'extra)) | |
| 481 | (newsticker--buffer-set-uptodate nil)) | |
| 482 | ||
| 2415d4c6 | 483 | ;; maps for the clickable portions |
| b016851c SM |
484 | (defvar newsticker--url-keymap |
| 485 | (let ((map (make-sparse-keymap))) | |
| 486 | (define-key map [mouse-1] 'newsticker-mouse-browse-url) | |
| 487 | (define-key map [mouse-2] 'newsticker-mouse-browse-url) | |
| 488 | (define-key map "\n" 'newsticker-browse-url) | |
| 489 | (define-key map "\C-m" 'newsticker-browse-url) | |
| 490 | (define-key map [(control return)] 'newsticker-handle-url) | |
| 491 | map) | |
| 2415d4c6 | 492 | "Key map for click-able headings in the newsticker buffer.") |
| 2415d4c6 UJ |
493 | |
| 494 | ||
| 495 | ;; ====================================================================== | |
| 496 | ;;; User fun | |
| 497 | ;; ====================================================================== | |
| 4da498eb | 498 | ;;;###autoload |
| 2415d4c6 UJ |
499 | (defun newsticker-plainview () |
| 500 | "Start newsticker plainview." | |
| 501 | (interactive) | |
| 502 | (newsticker-buffer-update t) | |
| 503 | (switch-to-buffer "*newsticker*")) | |
| 504 | ||
| 505 | (defun newsticker-buffer-force-update () | |
| 506 | "Update the newsticker buffer, even if not necessary." | |
| 507 | (interactive) | |
| 508 | (newsticker-buffer-update t)) | |
| 509 | ||
| 510 | (defun newsticker-buffer-update (&optional force) | |
| 511 | "Update the *newsticker* buffer. | |
| 512 | Unless FORCE is t this is done only if necessary, i.e. when the | |
| 513 | *newsticker* buffer is not up-to-date." | |
| 514 | (interactive) | |
| 515 | ;; bring cache data into proper order.... | |
| 516 | (newsticker--cache-sort) | |
| 517 | ;; fill buffer | |
| 518 | (save-excursion | |
| 519 | (let ((buf (get-buffer "*newsticker*"))) | |
| 520 | (if buf | |
| 521 | (switch-to-buffer buf) | |
| 522 | (switch-to-buffer (get-buffer-create "*newsticker*")) | |
| 523 | (newsticker--buffer-set-uptodate nil))) | |
| 524 | (when (or force | |
| 525 | (not newsticker--buffer-uptodate-p)) | |
| 526 | (message "Preparing newsticker buffer...") | |
| 527 | (setq buffer-undo-list t) | |
| 528 | (let ((inhibit-read-only t)) | |
| 529 | (set-buffer-modified-p nil) | |
| 530 | (erase-buffer) | |
| 531 | (newsticker-mode) | |
| 532 | ;; Emacs 21.3.50 does not care if we turn off auto-fill in the | |
| 533 | ;; definition of newsticker-mode, so we do it here (again) | |
| 534 | (auto-fill-mode -1) | |
| 535 | ||
| 536 | (set-buffer-file-coding-system 'utf-8) | |
| 537 | ||
| 538 | (if newsticker-use-full-width | |
| 539 | (set (make-local-variable 'fill-column) (1- (window-width)))) | |
| 540 | (newsticker--buffer-insert-all-items) | |
| 541 | ||
| 542 | ;; FIXME: needed for methods buffer in ecb | |
| 543 | ;; (set-visited-file-name "*newsticker*") | |
| 544 | ||
| 545 | (set-buffer-modified-p nil) | |
| 546 | (newsticker-hide-all-desc) | |
| 547 | (if newsticker-hide-old-items-in-newsticker-buffer | |
| 548 | (newsticker-hide-old-items)) | |
| 549 | (if newsticker-show-descriptions-of-new-items | |
| 550 | (newsticker-show-new-item-desc)) | |
| 551 | ) | |
| 552 | (message "")) | |
| 553 | (newsticker--buffer-set-uptodate t) | |
| 554 | (run-hooks 'newsticker-buffer-change-hook))) | |
| 555 | ||
| 556 | (defun newsticker-get-news-at-point () | |
| 557 | "Launch retrieval of news for the feed point is in. | |
| 558 | This does NOT start the retrieval timers." | |
| 559 | (interactive) | |
| 560 | ;; launch retrieval of news | |
| 561 | (let ((feed (get-text-property (point) 'feed))) | |
| 562 | (when feed | |
| 563 | (newsticker--debug-msg "Getting news for %s" (symbol-name feed)) | |
| 564 | (newsticker-get-news (symbol-name feed))))) | |
| 565 | ||
| 17abdd47 | 566 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))) |
| 352b43ab GM |
567 | (declare-function w3m-toggle-inline-image "ext:w3m" (&optional force no-cache)) |
| 568 | ||
| 2415d4c6 UJ |
569 | (defun newsticker-w3m-show-inline-images () |
| 570 | "Show inline images in visible text ranges. | |
| 571 | In-line images in invisible text ranges are hidden. This function | |
| 572 | calls `w3m-toggle-inline-image'. It works only if | |
| 573 | `newsticker-html-renderer' is set to `w3m-region'." | |
| 574 | (interactive) | |
| 575 | (if (eq newsticker-html-renderer 'w3m-region) | |
| 576 | (let ((inhibit-read-only t)) | |
| 577 | (save-excursion | |
| 578 | (save-restriction | |
| 579 | (widen) | |
| 580 | (goto-char (point-min)) | |
| 581 | (let ((pos (point))) | |
| 582 | (while pos | |
| 583 | (setq pos (next-single-property-change pos 'w3m-image)) | |
| 584 | (when pos | |
| 585 | (goto-char pos) | |
| 586 | (when (get-text-property pos 'w3m-image) | |
| 587 | (let ((invis (newsticker--lists-intersect-p | |
| 588 | (get-text-property (1- (point)) | |
| 589 | 'invisible) | |
| 590 | buffer-invisibility-spec))) | |
| 591 | (unless (car (get-text-property (1- (point)) | |
| 592 | 'display)) | |
| 593 | (unless invis | |
| 594 | (w3m-toggle-inline-image t))))))))))))) | |
| 595 | ||
| 596 | ;; ====================================================================== | |
| 597 | ;;; Keymap stuff | |
| 598 | ;; ====================================================================== | |
| 599 | (defun newsticker-close-buffer () | |
| 600 | "Close the newsticker buffer." | |
| 601 | (interactive) | |
| 602 | (newsticker--cache-update t) | |
| 603 | (bury-buffer)) | |
| 604 | ||
| 605 | (defun newsticker-next-new-item (&optional do-not-wrap-at-eob) | |
| 606 | "Go to next new news item. | |
| 607 | If no new item is found behind point, search is continued at | |
| 608 | beginning of buffer unless optional argument DO-NOT-WRAP-AT-EOB | |
| 609 | is non-nil." | |
| 610 | (interactive) | |
| 611 | (widen) | |
| 612 | (let ((go-ahead t)) | |
| 613 | (while go-ahead | |
| 614 | (unless (newsticker--buffer-goto '(item) 'new) | |
| 615 | ;; found nothing -- wrap | |
| 616 | (unless do-not-wrap-at-eob | |
| 617 | (goto-char (point-min)) | |
| 618 | (newsticker-next-new-item t)) | |
| 619 | (setq go-ahead nil)) | |
| 620 | (unless (newsticker--lists-intersect-p | |
| 621 | (get-text-property (point) 'invisible) | |
| 622 | buffer-invisibility-spec) | |
| 623 | ;; this item is invisible -- continue search | |
| 624 | (setq go-ahead nil)))) | |
| 625 | (run-hooks 'newsticker-select-item-hook) | |
| 626 | (point)) | |
| 627 | ||
| 628 | (defun newsticker-previous-new-item (&optional do-not-wrap-at-bob) | |
| 629 | "Go to previous new news item. | |
| 630 | If no new item is found before point, search is continued at | |
| 631 | beginning of buffer unless optional argument DO-NOT-WRAP-AT-BOB | |
| 632 | is non-nil." | |
| 633 | (interactive) | |
| 634 | (widen) | |
| 635 | (let ((go-ahead t)) | |
| 636 | (while go-ahead | |
| 637 | (unless (newsticker--buffer-goto '(item) 'new t) | |
| 638 | (unless do-not-wrap-at-bob | |
| 639 | (goto-char (point-max)) | |
| 640 | (newsticker--buffer-goto '(item) 'new t))) | |
| 641 | (unless (newsticker--lists-intersect-p | |
| 642 | (get-text-property (point) 'invisible) | |
| 643 | buffer-invisibility-spec) | |
| 644 | (setq go-ahead nil)))) | |
| 645 | (run-hooks 'newsticker-select-item-hook) | |
| 646 | (point)) | |
| 647 | ||
| 648 | (defun newsticker-next-item (&optional do-not-wrap-at-eob) | |
| 649 | "Go to next news item. | |
| 650 | Return new buffer position. | |
| 651 | If no item is found below point, search is continued at beginning | |
| 652 | of buffer unless optional argument DO-NOT-WRAP-AT-EOB is | |
| 653 | non-nil." | |
| 654 | (interactive) | |
| 655 | (widen) | |
| 656 | (let ((go-ahead t) | |
| 657 | (search-list '(item))) | |
| 658 | (if newsticker--auto-narrow-to-item | |
| 659 | (setq search-list '(item feed))) | |
| 660 | (while go-ahead | |
| 661 | (unless (newsticker--buffer-goto search-list) | |
| 662 | ;; found nothing -- wrap | |
| 663 | (unless do-not-wrap-at-eob | |
| 664 | (goto-char (point-min))) | |
| 665 | (setq go-ahead nil)) | |
| 666 | (unless (newsticker--lists-intersect-p | |
| 667 | (get-text-property (point) 'invisible) | |
| 668 | buffer-invisibility-spec) | |
| 669 | (setq go-ahead nil)))) | |
| 670 | (run-hooks 'newsticker-select-item-hook) | |
| 671 | (force-mode-line-update) | |
| 672 | (point)) | |
| 673 | ||
| 674 | (defun newsticker-next-item-same-feed () | |
| 675 | "Go to next news item in the same feed. | |
| 676 | Return new buffer position. If no item is found below point or if | |
| 677 | auto-narrow-to-item is enabled, nil is returned." | |
| 678 | (interactive) | |
| 679 | (if newsticker--auto-narrow-to-item | |
| 680 | nil | |
| 681 | (let ((go-ahead t) | |
| 682 | (current-pos (point)) | |
| 683 | (end-of-feed (save-excursion (newsticker--buffer-end-of-feed)))) | |
| 684 | (while go-ahead | |
| 685 | (unless (newsticker--buffer-goto '(item)) | |
| 686 | (setq go-ahead nil)) | |
| 687 | (unless (newsticker--lists-intersect-p | |
| 688 | (get-text-property (point) 'invisible) | |
| 689 | buffer-invisibility-spec) | |
| 690 | (setq go-ahead nil))) | |
| 691 | (if (and (> (point) current-pos) | |
| 692 | (< (point) end-of-feed)) | |
| 693 | (point) | |
| 694 | (goto-char current-pos) | |
| 695 | nil)))) | |
| 696 | ||
| 697 | (defun newsticker-previous-item (&optional do-not-wrap-at-bob) | |
| 698 | "Go to previous news item. | |
| 699 | Return new buffer position. | |
| 700 | If no item is found before point, search is continued at | |
| 701 | beginning of buffer unless optional argument DO-NOT-WRAP-AT-BOB | |
| 702 | is non-nil." | |
| 703 | (interactive) | |
| 704 | (widen) | |
| 705 | (let ((go-ahead t) | |
| 706 | (search-list '(item))) | |
| 707 | (if newsticker--auto-narrow-to-item | |
| 708 | (setq search-list '(item feed))) | |
| 709 | (when (bobp) | |
| 710 | (unless do-not-wrap-at-bob | |
| 711 | (goto-char (point-max)))) | |
| 712 | (while go-ahead | |
| 713 | (if (newsticker--buffer-goto search-list nil t) | |
| 714 | (unless (newsticker--lists-intersect-p | |
| 715 | (get-text-property (point) 'invisible) | |
| 716 | buffer-invisibility-spec) | |
| 717 | (setq go-ahead nil)) | |
| 718 | (goto-char (point-min)) | |
| 719 | (setq go-ahead nil)))) | |
| 720 | (run-hooks 'newsticker-select-item-hook) | |
| 721 | (force-mode-line-update) | |
| 722 | (point)) | |
| 723 | ||
| 724 | (defun newsticker-next-feed () | |
| 725 | "Go to next news feed. | |
| 726 | Return new buffer position." | |
| 727 | (interactive) | |
| 728 | (widen) | |
| 729 | (newsticker--buffer-goto '(feed)) | |
| 730 | (run-hooks 'newsticker-select-feed-hook) | |
| 731 | (force-mode-line-update) | |
| 732 | (point)) | |
| 733 | ||
| 734 | (defun newsticker-previous-feed () | |
| 735 | "Go to previous news feed. | |
| 736 | Return new buffer position." | |
| 737 | (interactive) | |
| 738 | (widen) | |
| 739 | (newsticker--buffer-goto '(feed) nil t) | |
| 740 | (run-hooks 'newsticker-select-feed-hook) | |
| 741 | (force-mode-line-update) | |
| 742 | (point)) | |
| 743 | ||
| 744 | (defun newsticker-mark-all-items-at-point-as-read-and-redraw () | |
| 745 | "Mark all items as read and clear ticker contents." | |
| 746 | (interactive) | |
| 747 | (when (or newsticker--buffer-uptodate-p | |
| 748 | (y-or-n-p | |
| 749 | "Buffer is not up to date -- really mark items as read? ")) | |
| 750 | (newsticker-mark-all-items-of-feed-as-read | |
| 751 | (get-text-property (point) 'feed)))) | |
| 752 | ||
| 753 | (defun newsticker-mark-all-items-of-feed-as-read (feed) | |
| 754 | "Mark all items of FEED as read, clear ticker, and redraw buffer." | |
| 755 | (when feed | |
| 756 | (let ((pos (point))) | |
| 757 | (message "Marking all items as read for %s" (symbol-name feed)) | |
| 758 | (newsticker--cache-replace-age newsticker--cache feed 'new 'old) | |
| 759 | (newsticker--cache-replace-age newsticker--cache feed 'obsolete | |
| 760 | 'old) | |
| 761 | (newsticker--cache-update) | |
| 762 | (newsticker--buffer-set-uptodate nil) | |
| 763 | (newsticker--ticker-text-setup) | |
| 764 | (newsticker-buffer-update) | |
| c5e87d10 | 765 | ;; Go back to where we came from. |
| 2415d4c6 UJ |
766 | (goto-char pos) |
| 767 | (end-of-line) | |
| 768 | (newsticker--buffer-goto '(feed) nil t)))) | |
| c5e87d10 | 769 | |
| 2415d4c6 UJ |
770 | (defun newsticker-mark-all-items-at-point-as-read () |
| 771 | "Mark all items as read and clear ticker contents." | |
| 772 | (interactive) | |
| 773 | (when (or newsticker--buffer-uptodate-p | |
| 774 | (y-or-n-p | |
| 775 | "Buffer is not up to date -- really mark items as read? ")) | |
| 776 | (newsticker--do-mark-item-at-point-as-read t) | |
| 777 | (while (newsticker-next-item-same-feed) | |
| 778 | (newsticker--do-mark-item-at-point-as-read t)) | |
| 779 | (newsticker-next-item t))) | |
| 780 | ||
| 781 | (defun newsticker-mark-item-at-point-as-read (&optional respect-immortality) | |
| 782 | "Mark item at point as read and move to next item. | |
| 783 | If optional argument RESPECT-IMMORTALITY is not nil immortal items do | |
| 784 | not get changed." | |
| 785 | (interactive) | |
| 786 | (when (or newsticker--buffer-uptodate-p | |
| 787 | (y-or-n-p | |
| 788 | "Buffer is not up to date -- really mark this item as read? ")) | |
| 789 | (newsticker--do-mark-item-at-point-as-read respect-immortality) | |
| 790 | ;; move forward | |
| 791 | (newsticker-next-item t))) | |
| 792 | ||
| 793 | (defun newsticker--do-mark-item-at-point-as-read (&optional respect-immortality) | |
| 794 | "Mark item at point as read. | |
| 795 | If optional argument RESPECT-IMMORTALITY is not nil immortal items do | |
| 796 | not get changed." | |
| 797 | (let ((feed (get-text-property (point) 'feed))) | |
| 798 | (when feed | |
| 799 | (save-excursion | |
| 800 | (newsticker--buffer-beginning-of-item) | |
| 801 | (let ((inhibit-read-only t) | |
| 802 | (age (get-text-property (point) 'nt-age)) | |
| 803 | (title (get-text-property (point) 'nt-title)) | |
| 804 | (guid (get-text-property (point) 'nt-guid)) | |
| 805 | (nt-desc (get-text-property (point) 'nt-desc)) | |
| 806 | (pos (save-excursion (newsticker--buffer-end-of-item))) | |
| 807 | item) | |
| 808 | (when (or (eq age 'new) | |
| 809 | (eq age 'obsolete) | |
| 810 | (and (eq age 'immortal) | |
| 811 | (not respect-immortality))) | |
| 812 | ;; find item | |
| 813 | (setq item (newsticker--cache-contains newsticker--cache | |
| 814 | feed title nt-desc | |
| 815 | nil nil guid)) | |
| 816 | ;; mark as old | |
| 817 | (when item | |
| 818 | (setcar (nthcdr 4 item) 'old) | |
| 819 | (newsticker--do-forget-preformatted item)) | |
| 820 | ;; clean up ticker | |
| 821 | (if (or (and (eq age 'new) | |
| 822 | newsticker-hide-immortal-items-in-echo-area) | |
| 823 | (and (memq age '(old immortal)) | |
| 824 | (not | |
| 825 | (eq newsticker-hide-old-items-in-newsticker-buffer | |
| 826 | newsticker-hide-immortal-items-in-echo-area)))) | |
| 827 | (newsticker--ticker-text-remove feed title)) | |
| 828 | ;; set faces etc. | |
| 829 | (save-excursion | |
| 830 | (save-restriction | |
| 831 | (widen) | |
| 832 | (put-text-property (point) pos 'nt-age 'old) | |
| 833 | (newsticker--buffer-set-faces (point) pos))) | |
| 834 | (set-buffer-modified-p nil))))))) | |
| 835 | ||
| 836 | (defun newsticker-mark-item-at-point-as-immortal () | |
| 837 | "Mark item at point as read." | |
| 838 | (interactive) | |
| 839 | (when (or newsticker--buffer-uptodate-p | |
| 840 | (y-or-n-p | |
| 841 | "Buffer is not up to date -- really mark this item as read? ")) | |
| 842 | (let ((feed (get-text-property (point) 'feed)) | |
| 843 | (item nil)) | |
| 844 | (when feed | |
| 845 | (save-excursion | |
| 846 | (newsticker--buffer-beginning-of-item) | |
| 847 | (let ((inhibit-read-only t) | |
| 848 | (oldage (get-text-property (point) 'nt-age)) | |
| 849 | (title (get-text-property (point) 'nt-title)) | |
| 850 | (guid (get-text-property (point) 'nt-guid)) | |
| 851 | (pos (save-excursion (newsticker--buffer-end-of-item)))) | |
| 852 | (let ((newage 'immortal)) | |
| 853 | (if (eq oldage 'immortal) | |
| 854 | (setq newage 'old)) | |
| 855 | (setq item (newsticker--cache-contains newsticker--cache | |
| 856 | feed title nil nil nil | |
| 857 | guid)) | |
| 858 | ;; change age | |
| 859 | (when item | |
| 860 | (setcar (nthcdr 4 item) newage) | |
| 861 | (newsticker--do-forget-preformatted item)) | |
| 862 | (if (or (and (eq newage 'immortal) | |
| 863 | newsticker-hide-immortal-items-in-echo-area) | |
| 864 | (and (eq newage 'obsolete) | |
| 865 | newsticker-hide-obsolete-items-in-echo-area) | |
| 866 | (and (eq oldage 'immortal) | |
| 867 | (not | |
| 868 | (eq newsticker-hide-old-items-in-newsticker-buffer | |
| 869 | newsticker-hide-immortal-items-in-echo-area)))) | |
| 870 | (newsticker--ticker-text-remove feed title) | |
| 871 | (newsticker--ticker-text-setup)) | |
| 872 | (save-excursion | |
| 873 | (save-restriction | |
| 874 | (widen) | |
| 875 | (put-text-property (point) pos 'nt-age newage) | |
| 876 | (if (eq newage 'immortal) | |
| 877 | (put-text-property (point) pos 'nt-age 'immortal) | |
| 878 | (put-text-property (point) pos 'nt-age 'old)) | |
| 879 | (newsticker--buffer-set-faces (point) pos)))))) | |
| 880 | (if item | |
| 881 | (newsticker-next-item t)))))) | |
| 882 | ||
| 883 | (defun newsticker-mark-all-items-as-read () | |
| 884 | "Mark all items as read and clear ticker contents." | |
| 885 | (interactive) | |
| 886 | (when (or newsticker--buffer-uptodate-p | |
| 887 | (y-or-n-p | |
| 888 | "Buffer is not up to date -- really mark items as read? ")) | |
| 889 | (newsticker--cache-replace-age newsticker--cache 'any 'new 'old) | |
| 890 | (newsticker--buffer-set-uptodate nil) | |
| 891 | (newsticker--ticker-text-setup) | |
| 892 | (newsticker--cache-update) | |
| 893 | (newsticker-buffer-update))) | |
| 894 | ||
| 895 | (defun newsticker-hide-extra () | |
| 896 | "Hide the extra elements of items." | |
| 897 | (interactive) | |
| 898 | (newsticker--buffer-hideshow 'extra nil) | |
| 899 | (newsticker--buffer-redraw)) | |
| 900 | ||
| 901 | (defun newsticker-show-extra () | |
| 902 | "Show the extra elements of items." | |
| 903 | (interactive) | |
| 904 | (newsticker--buffer-hideshow 'extra t) | |
| 905 | (newsticker--buffer-redraw)) | |
| 906 | ||
| 907 | (defun newsticker-hide-old-item-desc () | |
| 908 | "Hide the description of old items." | |
| 909 | (interactive) | |
| 910 | (newsticker--buffer-hideshow 'desc-old nil) | |
| 911 | (newsticker--buffer-redraw)) | |
| 912 | ||
| 913 | (defun newsticker-show-old-item-desc () | |
| 914 | "Show the description of old items." | |
| 915 | (interactive) | |
| 916 | (newsticker--buffer-hideshow 'item-old t) | |
| 917 | (newsticker--buffer-hideshow 'desc-old t) | |
| 918 | (newsticker--buffer-redraw)) | |
| 919 | ||
| 920 | (defun newsticker-hide-new-item-desc () | |
| 921 | "Hide the description of new items." | |
| 922 | (interactive) | |
| 923 | (newsticker--buffer-hideshow 'desc-new nil) | |
| 924 | (newsticker--buffer-hideshow 'desc-immortal nil) | |
| 925 | (newsticker--buffer-hideshow 'desc-obsolete nil) | |
| 926 | (newsticker--buffer-redraw)) | |
| 927 | ||
| 928 | (defun newsticker-show-new-item-desc () | |
| 929 | "Show the description of new items." | |
| 930 | (interactive) | |
| 931 | (newsticker--buffer-hideshow 'desc-new t) | |
| 932 | (newsticker--buffer-hideshow 'desc-immortal t) | |
| 933 | (newsticker--buffer-hideshow 'desc-obsolete t) | |
| 934 | (newsticker--buffer-redraw)) | |
| 935 | ||
| 936 | (defun newsticker-hide-feed-desc () | |
| 937 | "Hide the description of feeds." | |
| 938 | (interactive) | |
| 939 | (newsticker--buffer-hideshow 'desc-feed nil) | |
| 940 | (newsticker--buffer-redraw)) | |
| 941 | ||
| 942 | (defun newsticker-show-feed-desc () | |
| 943 | "Show the description of old items." | |
| 944 | (interactive) | |
| 945 | (newsticker--buffer-hideshow 'desc-feed t) | |
| 946 | (newsticker--buffer-redraw)) | |
| 947 | ||
| 948 | (defun newsticker-hide-all-desc () | |
| 949 | "Hide the descriptions of feeds and all items." | |
| 950 | (interactive) | |
| 951 | (newsticker--buffer-hideshow 'desc-feed nil) | |
| 952 | (newsticker--buffer-hideshow 'desc-immortal nil) | |
| 953 | (newsticker--buffer-hideshow 'desc-obsolete nil) | |
| 954 | (newsticker--buffer-hideshow 'desc-new nil) | |
| 955 | (newsticker--buffer-hideshow 'desc-old nil) | |
| 956 | (newsticker--buffer-redraw)) | |
| 957 | ||
| 958 | (defun newsticker-show-all-desc () | |
| 959 | "Show the descriptions of feeds and all items." | |
| 960 | (interactive) | |
| 961 | (newsticker--buffer-hideshow 'desc-feed t) | |
| 962 | (newsticker--buffer-hideshow 'desc-immortal t) | |
| 963 | (newsticker--buffer-hideshow 'desc-obsolete t) | |
| 964 | (newsticker--buffer-hideshow 'desc-new t) | |
| 965 | (newsticker--buffer-hideshow 'desc-old t) | |
| 966 | (newsticker--buffer-redraw)) | |
| 967 | ||
| 968 | (defun newsticker-hide-old-items () | |
| 969 | "Hide old items." | |
| 970 | (interactive) | |
| 971 | (newsticker--buffer-hideshow 'desc-old nil) | |
| 972 | (newsticker--buffer-hideshow 'item-old nil) | |
| 973 | (newsticker--buffer-redraw)) | |
| 974 | ||
| 975 | (defun newsticker-show-old-items () | |
| 976 | "Show old items." | |
| 977 | (interactive) | |
| 978 | (newsticker--buffer-hideshow 'item-old t) | |
| 979 | (newsticker--buffer-redraw)) | |
| 980 | ||
| 981 | (defun newsticker-hide-entry () | |
| 982 | "Hide description of entry at point." | |
| 983 | (interactive) | |
| 984 | (save-excursion | |
| 985 | (let* (pos1 pos2 | |
| 986 | (inhibit-read-only t) | |
| 987 | inv-prop org-inv-prop | |
| 988 | is-invisible) | |
| 989 | (newsticker--buffer-beginning-of-item) | |
| 990 | (newsticker--buffer-goto '(desc)) | |
| 991 | (setq pos1 (max (point-min) (1- (point)))) | |
| 992 | (newsticker--buffer-goto '(extra feed item nil)) | |
| 993 | (setq pos2 (max (point-min) (1- (point)))) | |
| 994 | (setq inv-prop (get-text-property pos1 'invisible)) | |
| 995 | (setq org-inv-prop (get-text-property pos1 'org-invisible)) | |
| 996 | (cond ((eq inv-prop t) | |
| 997 | ;; do nothing | |
| 998 | ) | |
| 999 | ((eq org-inv-prop nil) | |
| 1000 | (add-text-properties pos1 pos2 | |
| 1001 | (list 'invisible (list t) | |
| 1002 | 'org-invisible inv-prop))) | |
| 1003 | (t | |
| 1004 | ;; toggle | |
| 1005 | (add-text-properties pos1 pos2 | |
| 1006 | (list 'invisible org-inv-prop)) | |
| 1007 | (remove-text-properties pos1 pos2 '(org-invisible)))))) | |
| 1008 | (newsticker--buffer-redraw)) | |
| 1009 | ||
| 1010 | (defun newsticker-show-entry () | |
| 1011 | "Show description of entry at point." | |
| 1012 | (interactive) | |
| 1013 | (save-excursion | |
| 1014 | (let* (pos1 pos2 | |
| 1015 | (inhibit-read-only t) | |
| 1016 | inv-prop org-inv-prop | |
| 1017 | is-invisible) | |
| 1018 | (newsticker--buffer-beginning-of-item) | |
| 1019 | (newsticker--buffer-goto '(desc)) | |
| 1020 | (setq pos1 (max (point-min) (1- (point)))) | |
| 1021 | (newsticker--buffer-goto '(extra feed item)) | |
| 1022 | (setq pos2 (max (point-min) (1- (point)))) | |
| 1023 | (setq inv-prop (get-text-property pos1 'invisible)) | |
| 1024 | (setq org-inv-prop (get-text-property pos1 'org-invisible)) | |
| 1025 | (cond ((eq org-inv-prop nil) | |
| 1026 | (add-text-properties pos1 pos2 | |
| 1027 | (list 'invisible nil | |
| 1028 | 'org-invisible inv-prop))) | |
| 1029 | (t | |
| 1030 | ;; toggle | |
| 1031 | (add-text-properties pos1 pos2 | |
| 1032 | (list 'invisible org-inv-prop)) | |
| 1033 | (remove-text-properties pos1 pos2 '(org-invisible)))))) | |
| 1034 | (newsticker--buffer-redraw)) | |
| 1035 | ||
| 1036 | (defun newsticker-toggle-auto-narrow-to-feed () | |
| 1037 | "Toggle narrowing to current news feed. | |
| 1038 | If auto-narrowing is active, only news item of the current feed | |
| 1039 | are visible." | |
| 1040 | (interactive) | |
| 1041 | (newsticker-set-auto-narrow-to-feed | |
| 1042 | (not newsticker--auto-narrow-to-feed))) | |
| 1043 | ||
| 1044 | (defun newsticker-set-auto-narrow-to-feed (value) | |
| 1045 | "Turn narrowing to current news feed on or off. | |
| 1046 | If VALUE is nil, auto-narrowing is turned off, otherwise it is turned on." | |
| 1047 | (interactive) | |
| 1048 | (setq newsticker--auto-narrow-to-item nil) | |
| 1049 | (setq newsticker--auto-narrow-to-feed value) | |
| 1050 | (widen) | |
| 1051 | (newsticker--buffer-make-item-completely-visible) | |
| 1052 | (run-hooks 'newsticker-narrow-hook)) | |
| 1053 | ||
| 1054 | (defun newsticker-toggle-auto-narrow-to-item () | |
| 1055 | "Toggle narrowing to current news item. | |
| 1056 | If auto-narrowing is active, only one item of the current feed | |
| 1057 | is visible." | |
| 1058 | (interactive) | |
| 1059 | (newsticker-set-auto-narrow-to-item | |
| 1060 | (not newsticker--auto-narrow-to-item))) | |
| 1061 | ||
| 1062 | (defun newsticker-set-auto-narrow-to-item (value) | |
| 1063 | "Turn narrowing to current news item on or off. | |
| 1064 | If VALUE is nil, auto-narrowing is turned off, otherwise it is turned on." | |
| 1065 | (interactive) | |
| 1066 | (setq newsticker--auto-narrow-to-feed nil) | |
| 1067 | (setq newsticker--auto-narrow-to-item value) | |
| 1068 | (widen) | |
| 1069 | (newsticker--buffer-make-item-completely-visible) | |
| 1070 | (run-hooks 'newsticker-narrow-hook)) | |
| 1071 | ||
| 1072 | (defun newsticker-next-feed-available-p () | |
| 1073 | "Return t if position is before last feed, nil otherwise." | |
| 1074 | (save-excursion | |
| 1075 | (let ((p (point))) | |
| 1076 | (newsticker--buffer-goto '(feed)) | |
| 1077 | (not (= p (point)))))) | |
| 1078 | ||
| 1079 | (defun newsticker-previous-feed-available-p () | |
| 1080 | "Return t if position is behind first feed, nil otherwise." | |
| 1081 | (save-excursion | |
| 1082 | (let ((p (point))) | |
| 1083 | (newsticker--buffer-goto '(feed) nil t) | |
| 1084 | (not (= p (point)))))) | |
| 1085 | ||
| 1086 | (defun newsticker-next-item-available-p () | |
| 1087 | "Return t if position is before last feed, nil otherwise." | |
| 1088 | (save-excursion | |
| 1089 | (catch 'result | |
| 1090 | (while (< (point) (point-max)) | |
| 1091 | (unless (newsticker--buffer-goto '(item)) | |
| 1092 | (throw 'result nil)) | |
| 1093 | (unless (newsticker--lists-intersect-p | |
| 1094 | (get-text-property (point) 'invisible) | |
| 1095 | buffer-invisibility-spec) | |
| 1096 | (throw 'result t)))))) | |
| 1097 | ||
| 1098 | (defun newsticker-previous-item-available-p () | |
| 1099 | "Return t if position is behind first item, nil otherwise." | |
| 1100 | (save-excursion | |
| 1101 | (catch 'result | |
| 1102 | (while (> (point) (point-min)) | |
| 1103 | (unless (newsticker--buffer-goto '(item) nil t) | |
| 1104 | (throw 'result nil)) | |
| 1105 | (unless (newsticker--lists-intersect-p | |
| 1106 | (get-text-property (point) 'invisible) | |
| 1107 | buffer-invisibility-spec) | |
| 1108 | (throw 'result t)))))) | |
| 1109 | ||
| 1110 | (defun newsticker-item-not-old-p () | |
| 1111 | "Return t if there is an item at point which is not old, nil otherwise." | |
| 1112 | (when (get-text-property (point) 'feed) | |
| 1113 | (save-excursion | |
| 1114 | (newsticker--buffer-beginning-of-item) | |
| 1115 | (let ((age (get-text-property (point) 'nt-age))) | |
| 1116 | (and (memq age '(new immortal obsolete)) t))))) | |
| 1117 | ||
| 1118 | (defun newsticker-item-not-immortal-p () | |
| 1119 | "Return t if there is an item at point which is not immortal, nil otherwise." | |
| 1120 | (when (get-text-property (point) 'feed) | |
| 1121 | (save-excursion | |
| 1122 | (newsticker--buffer-beginning-of-item) | |
| 1123 | (let ((age (get-text-property (point) 'nt-age))) | |
| 1124 | (and (memq age '(new old obsolete)) t))))) | |
| 1125 | ||
| 1126 | ;; ====================================================================== | |
| 1127 | ;;; Imenu stuff | |
| 1128 | ;; ====================================================================== | |
| 1129 | (defun newsticker--imenu-create-index () | |
| 1130 | "Scan newsticker buffer and return an index for imenu." | |
| 1131 | (save-excursion | |
| 1132 | (goto-char (point-min)) | |
| 1133 | (let ((index-alist nil) | |
| 1134 | (feed-list nil) | |
| 1135 | (go-ahead t)) | |
| 1136 | (while go-ahead | |
| 1137 | (let ((type (get-text-property (point) 'nt-type)) | |
| 1138 | (title (get-text-property (point) 'nt-title))) | |
| 1139 | (cond ((eq type 'feed) | |
| 1140 | ;; we're on a feed heading | |
| 1141 | (when feed-list | |
| 1142 | (if index-alist | |
| 1143 | (nconc index-alist (list feed-list)) | |
| 1144 | (setq index-alist (list feed-list)))) | |
| 1145 | (setq feed-list (list title))) | |
| 1146 | (t | |
| 1147 | (nconc feed-list | |
| 1148 | (list (cons title (point))))))) | |
| 1149 | (setq go-ahead (newsticker--buffer-goto '(item feed)))) | |
| 1150 | (if index-alist | |
| 1151 | (nconc index-alist (list feed-list)) | |
| 1152 | (setq index-alist (list feed-list))) | |
| 1153 | index-alist))) | |
| 1154 | ||
| 1155 | (defun newsticker--imenu-goto (name pos &rest args) | |
| 1156 | "Go to item NAME at position POS and show item. | |
| 1157 | ARGS are ignored." | |
| 1158 | (goto-char pos) | |
| 1159 | ;; show headline | |
| 1160 | (newsticker--buffer-goto '(desc extra feed item)) | |
| 1161 | (let* ((inhibit-read-only t) | |
| 1162 | (pos1 (max (point-min) (1- pos))) | |
| 1163 | (pos2 (max pos1 (1- (point)))) | |
| 1164 | (inv-prop (get-text-property pos 'invisible)) | |
| 1165 | (org-inv-prop (get-text-property pos 'org-invisible))) | |
| 1166 | (when (eq org-inv-prop nil) | |
| 1167 | (add-text-properties pos1 pos2 (list 'invisible nil | |
| 1168 | 'org-invisible inv-prop)))) | |
| 1169 | ;; show desc | |
| 1170 | (newsticker-show-entry)) | |
| 1171 | ||
| 1172 | ;; ====================================================================== | |
| 1173 | ;;; Buffer stuff | |
| 1174 | ;; ====================================================================== | |
| 1175 | (defun newsticker--buffer-set-uptodate (value) | |
| 1176 | "Set the uptodate-status of the newsticker buffer to VALUE. | |
| 1177 | The mode-line is changed accordingly." | |
| 1178 | (setq newsticker--buffer-uptodate-p value) | |
| 1179 | (let ((b (get-buffer "*newsticker*"))) | |
| 1180 | (when b | |
| 9a529312 SM |
1181 | (with-current-buffer b |
| 1182 | (setq mode-name (if value | |
| 1183 | "Newsticker -- up to date -- " | |
| 1184 | "Newsticker -- NEED UPDATE -- "))) | |
| 2415d4c6 UJ |
1185 | (force-mode-line-update 0)))) |
| 1186 | ||
| 1187 | (defun newsticker--buffer-redraw () | |
| 1188 | "Redraw the newsticker window." | |
| 1189 | (if (fboundp 'force-window-update) | |
| 1190 | (force-window-update (current-buffer)) | |
| 12b4c0ea | 1191 | (redraw-frame)) |
| 2415d4c6 UJ |
1192 | (run-hooks 'newsticker-buffer-change-hook) |
| 1193 | (sit-for 0)) | |
| 1194 | ||
| 1195 | (defun newsticker--buffer-insert-all-items () | |
| 1196 | "Insert all cached newsticker items into the current buffer. | |
| 1197 | Keeps order of feeds as given in `newsticker-url-list' and | |
| 1198 | `newsticker-url-list-defaults'." | |
| 1199 | (goto-char (point-min)) | |
| 1200 | (mapc (lambda (url-item) | |
| 1201 | (let* ((feed-name (car url-item)) | |
| 1202 | (feed-name-symbol (intern feed-name)) | |
| 1203 | (feed (assoc feed-name-symbol newsticker--cache)) | |
| 1204 | (items (cdr feed)) | |
| 1205 | (pos (point))) | |
| 1206 | (when feed | |
| 1207 | ;; insert the feed description | |
| 1208 | (mapc (lambda (item) | |
| 1209 | (when (eq (newsticker--age item) 'feed) | |
| 1210 | (newsticker--buffer-insert-item item | |
| 1211 | feed-name-symbol))) | |
| 1212 | items) | |
| 1213 | ;;insert the items | |
| 1214 | (mapc (lambda (item) | |
| 1215 | (if (memq (newsticker--age item) '(new immortal old | |
| 1216 | obsolete)) | |
| 1217 | (newsticker--buffer-insert-item item | |
| 1218 | feed-name-symbol))) | |
| 1219 | items) | |
| 1220 | (put-text-property pos (point) 'feed (car feed)) | |
| 1221 | ||
| 1222 | ;; insert empty line between feeds | |
| 1223 | (let ((p (point))) | |
| 1224 | (insert "\n") | |
| 1225 | (put-text-property p (point) 'hard t))))) | |
| 1226 | (append newsticker-url-list newsticker-url-list-defaults)) | |
| 1227 | ||
| 1228 | (newsticker--buffer-set-faces (point-min) (point-max)) | |
| 1229 | (newsticker--buffer-set-invisibility (point-min) (point-max)) | |
| 1230 | (goto-char (point-min))) | |
| 1231 | ||
| 1232 | (defun newsticker--buffer-insert-item (item &optional feed-name-symbol) | |
| 1233 | "Insert a news item in the current buffer. | |
| 1234 | Insert a formatted representation of the ITEM. The optional parameter | |
| 1235 | FEED-NAME-SYMBOL determines how the item is formatted and whether the | |
| 1236 | item-retrieval time is added as well." | |
| 1237 | ;; insert headline | |
| 1238 | (if (eq (newsticker--age item) 'feed) | |
| 1239 | (newsticker--buffer-do-insert-text item 'feed feed-name-symbol) | |
| 1240 | (newsticker--buffer-do-insert-text item 'item feed-name-symbol)) | |
| 1241 | ;; insert the description | |
| 1242 | (newsticker--buffer-do-insert-text item 'desc feed-name-symbol)) | |
| 1243 | ||
| 1244 | (defun newsticker--buffer-do-insert-text (item type feed-name-symbol) | |
| 1245 | "Actually insert contents of news item, format it, render it and all that. | |
| 1246 | ITEM is a news item, TYPE tells which part of the item shall be inserted, | |
| 1247 | FEED-NAME-SYMBOL tells to which feed this item belongs." | |
| 1248 | (let* ((pos (point)) | |
| 1249 | (format newsticker-desc-format) | |
| 1250 | (pos-date-start nil) | |
| 1251 | (pos-date-end nil) | |
| 1252 | (pos-stat-start nil) | |
| 1253 | (pos-stat-end nil) | |
| 1254 | (pos-text-start nil) | |
| 1255 | (pos-text-end nil) | |
| 1256 | (pos-extra-start nil) | |
| 1257 | (pos-extra-end nil) | |
| 1258 | (pos-enclosure-start nil) | |
| 1259 | (pos-enclosure-end nil) | |
| 1260 | (age (newsticker--age item)) | |
| 1261 | (preformatted-contents (newsticker--preformatted-contents item)) | |
| 1262 | (preformatted-title (newsticker--preformatted-title item))) | |
| 1263 | (cond ((and preformatted-contents | |
| 1264 | (not (eq (aref preformatted-contents 0) ?\n));; we must | |
| 1265 | ;; NOT have a line | |
| 1266 | ;; break! | |
| 1267 | (eq type 'desc)) | |
| 1268 | (insert preformatted-contents)) | |
| 1269 | ((and preformatted-title | |
| 1270 | (not (eq (aref preformatted-title 0) ?\n));; we must NOT have a | |
| 1271 | ;; line break! | |
| 1272 | (eq type 'item)) | |
| 1273 | (insert preformatted-title)) | |
| 1274 | (t | |
| 1275 | ;; item was not formatted before. | |
| 1276 | ;; Let's go. | |
| 1277 | (if (eq type 'item) | |
| 1278 | (setq format newsticker-item-format) | |
| 1279 | (if (eq type 'feed) | |
| 1280 | (setq format newsticker-heading-format))) | |
| 1281 | ||
| 1282 | (while (> (length format) 0) | |
| 1283 | (let ((prefix (if (> (length format) 1) | |
| 1284 | (substring format 0 2) | |
| 1285 | ""))) | |
| 1286 | (cond ((string= "%c" prefix) | |
| 1287 | ;; contents | |
| 1288 | (when (newsticker--desc item) | |
| 1289 | (setq pos-text-start (point-marker)) | |
| 1290 | (insert (newsticker--desc item)) | |
| 1291 | (setq pos-text-end (point-marker))) | |
| 1292 | (setq format (substring format 2))) | |
| 1293 | ((string= "%d" prefix) | |
| 1294 | ;; date | |
| 1295 | (setq pos-date-start (point-marker)) | |
| 1296 | (if (newsticker--time item) | |
| 1297 | (insert (format-time-string newsticker-date-format | |
| 1298 | (newsticker--time item)))) | |
| 1299 | (setq pos-date-end (point-marker)) | |
| 1300 | (setq format (substring format 2))) | |
| 1301 | ((string= "%l" prefix) | |
| 1302 | ;; logo | |
| 1303 | (let ((disabled (cond ((eq (newsticker--age item) 'feed) | |
| 1304 | (= (newsticker--stat-num-items | |
| 1305 | feed-name-symbol 'new) 0)) | |
| 1306 | (t | |
| 1307 | (not (eq (newsticker--age item) | |
| 1308 | 'new)))))) | |
| 1309 | (let ((img (newsticker--image-read feed-name-symbol | |
| 1310 | disabled))) | |
| 1311 | (when img | |
| 1312 | (newsticker--insert-image img (car item))))) | |
| 1313 | (setq format (substring format 2))) | |
| 1314 | ((string= "%L" prefix) | |
| 1315 | ;; logo or title | |
| 1316 | (let ((disabled (cond ((eq (newsticker--age item) 'feed) | |
| 1317 | (= (newsticker--stat-num-items | |
| 1318 | feed-name-symbol 'new) 0)) | |
| 1319 | (t | |
| 1320 | (not (eq (newsticker--age item) | |
| 1321 | 'new)))))) | |
| 1322 | (let ((img (newsticker--image-read feed-name-symbol | |
| 1323 | disabled))) | |
| 1324 | (if img | |
| 1325 | (newsticker--insert-image img (car item)) | |
| 1326 | (when (car item) | |
| 1327 | (setq pos-text-start (point-marker)) | |
| 1328 | (if (eq (newsticker--age item) 'feed) | |
| 1329 | (insert (newsticker--title item)) | |
| 1330 | ;; FIXME: This is not the "real" title! | |
| 1331 | (insert (format "%s" | |
| 1332 | (car (newsticker--cache-get-feed | |
| 1333 | feed-name-symbol))))) | |
| 1334 | (setq pos-text-end (point-marker)))))) | |
| 1335 | (setq format (substring format 2))) | |
| 1336 | ((string= "%s" prefix) | |
| 1337 | ;; statistics | |
| 1338 | (setq pos-stat-start (point-marker)) | |
| 1339 | (if (eq (newsticker--age item) 'feed) | |
| 1340 | (insert (newsticker--buffer-statistics | |
| 1341 | feed-name-symbol))) | |
| 1342 | (setq pos-stat-end (point-marker)) | |
| 1343 | (setq format (substring format 2))) | |
| 1344 | ((string= "%t" prefix) | |
| 1345 | ;; title | |
| 1346 | (when (car item) | |
| 1347 | (setq pos-text-start (point-marker)) | |
| 1348 | (insert (car item)) | |
| 1349 | (setq pos-text-end (point-marker))) | |
| 1350 | (setq format (substring format 2))) | |
| 1351 | ((string-match "%." prefix) | |
| 1352 | ;; unknown specifier! | |
| 1353 | (insert prefix) | |
| 1354 | (setq format (substring format 2))) | |
| 1355 | ((string-match "^\\([^%]*\\)\\(.*\\)" format) ;; FIXME! | |
| 1356 | ;; everything else | |
| 1357 | (let ((p (point))) | |
| 1358 | (insert (substring format | |
| 1359 | (match-beginning 1) (match-end 1))) | |
| 1360 | ;; in case that the format string contained newlines | |
| 1361 | (put-text-property p (point) 'hard t)) | |
| 1362 | (setq format (substring format (match-beginning 2))))))) | |
| 1363 | ||
| 1364 | ;; decode HTML if possible... | |
| 1365 | (let ((is-rendered-HTML nil)) | |
| 1366 | (when (and newsticker-html-renderer pos-text-start pos-text-end) | |
| 1367 | (condition-case error-data | |
| 1368 | (save-excursion | |
| 1369 | ;; check whether it is necessary to call html renderer | |
| 1370 | ;; (regexp inspired by htmlr.el) | |
| 1371 | (goto-char pos-text-start) | |
| 1372 | (when (re-search-forward | |
| 1373 | "</?[A-Za-z1-6]*\\|&#?[A-Za-z0-9]+;" pos-text-end t) | |
| 1374 | ;; (message "%s" (newsticker--title item)) | |
| 1375 | (let ((w3m-fill-column (if newsticker-use-full-width | |
| 1376 | -1 fill-column)) | |
| 1377 | (w3-maximum-line-length | |
| 1378 | (if newsticker-use-full-width nil fill-column))) | |
| 1379 | (save-excursion | |
| 1380 | (funcall newsticker-html-renderer pos-text-start | |
| 1381 | pos-text-end))) | |
| 1382 | (cond ((eq newsticker-html-renderer 'w3m-region) | |
| 1383 | (add-text-properties pos (point-max) | |
| 1384 | (list 'keymap | |
| 1385 | w3m-minor-mode-map))) | |
| 1386 | ((eq newsticker-html-renderer 'w3-region) | |
| 1387 | (add-text-properties pos (point-max) | |
| 1388 | (list 'keymap w3-mode-map)))) | |
| 1389 | (setq is-rendered-HTML t))) | |
| 1390 | (error | |
| 1391 | (message "Error: HTML rendering failed: %s, %s" | |
| 1392 | (car error-data) (cdr error-data))))) | |
| 1393 | ;; After html rendering there might be chunks of blank | |
| 1394 | ;; characters between rendered text and date, statistics or | |
| 1395 | ;; whatever. Remove it | |
| 1396 | (when (and (eq type 'item) is-rendered-HTML) | |
| 1397 | (goto-char pos) | |
| 1398 | (while (re-search-forward "[ \t]*\n[ \t]*" nil t) | |
| 1399 | (replace-match " " nil nil)) | |
| 1400 | (goto-char (point-max))) | |
| 1401 | (when (and newsticker-justification | |
| 1402 | (memq type '(item desc)) | |
| 1403 | (not is-rendered-HTML)) | |
| 1404 | (condition-case nil | |
| 1405 | (let ((use-hard-newlines t)) | |
| 1406 | (fill-region pos (point-max) newsticker-justification)) | |
| 1407 | (error nil)))) | |
| 1408 | ||
| 1409 | ;; remove leading and trailing newlines | |
| 1410 | (goto-char pos) | |
| 1411 | (unless (= 0 (skip-chars-forward " \t\r\n")) | |
| 1412 | (delete-region pos (point))) | |
| 1413 | (goto-char (point-max)) | |
| 1414 | (let ((end (point))) | |
| 1415 | (unless (= 0 (skip-chars-backward " \t\r\n" (1+ pos))) | |
| 1416 | (delete-region (point) end))) | |
| 1417 | (goto-char (point-max)) | |
| 1418 | ;; closing newline | |
| 1419 | (unless nil ;;(eq pos (point)) | |
| 1420 | (insert "\n") | |
| 1421 | (put-text-property (1- (point)) (point) 'hard t)) | |
| 1422 | ||
| 1423 | ;; insert enclosure element | |
| 1424 | (when (eq type 'desc) | |
| 1425 | (setq pos-enclosure-start (point)) | |
| 1426 | (newsticker--insert-enclosure item newsticker--url-keymap) | |
| 1427 | (setq pos-enclosure-end (point))) | |
| 1428 | ||
| 1429 | ;; show extra elements | |
| 1430 | (when (eq type 'desc) | |
| 1431 | (goto-char (point-max)) | |
| 1432 | (setq pos-extra-start (point)) | |
| 1433 | (newsticker--print-extra-elements item newsticker--url-keymap) | |
| 1434 | (setq pos-extra-end (point))) | |
| 1435 | ||
| 1436 | ;; text properties | |
| 1437 | (when (memq type '(feed item)) | |
| 1438 | (add-text-properties pos (1- (point)) | |
| 1439 | (list 'mouse-face 'highlight | |
| 1440 | 'nt-link (newsticker--link item) | |
| 1441 | 'help-echo | |
| 1442 | (format "mouse-2: visit item (%s)" | |
| 1443 | (newsticker--link item)) | |
| 1444 | 'keymap newsticker--url-keymap)) | |
| 1445 | (add-text-properties pos (point) | |
| 1446 | (list 'nt-title (newsticker--title item) | |
| 1447 | 'nt-desc (newsticker--desc item)))) | |
| 1448 | ||
| 1449 | (add-text-properties pos (point) | |
| 1450 | (list 'nt-type type | |
| 1451 | 'nt-face type | |
| 1452 | 'nt-age age | |
| 1453 | 'nt-guid (newsticker--guid item))) | |
| 1454 | (when (and pos-date-start pos-date-end) | |
| 1455 | (put-text-property pos-date-start pos-date-end 'nt-face 'date)) | |
| 1456 | (when (and pos-stat-start pos-stat-end) | |
| 1457 | (put-text-property pos-stat-start pos-stat-end 'nt-face 'stat)) | |
| 1458 | (when (and pos-extra-start pos-extra-end) | |
| 1459 | (put-text-property pos-extra-start pos-extra-end | |
| 1460 | 'nt-face 'extra) | |
| 1461 | (put-text-property pos-extra-start pos-extra-end | |
| 1462 | 'nt-type 'extra)) | |
| 1463 | (when (and pos-enclosure-start pos-enclosure-end | |
| 1464 | (> pos-enclosure-end pos-enclosure-start)) | |
| 1465 | (put-text-property pos-enclosure-start (1- pos-enclosure-end) | |
| 1466 | 'nt-face 'enclosure)) | |
| 1467 | ||
| 1468 | ;; left margin | |
| 1469 | ;;(unless (memq type '(feed item)) | |
| 1470 | ;;(set-left-margin pos (1- (point)) 1)) | |
| 1471 | ||
| 1472 | ;; save rendered stuff | |
| 1473 | (cond ((eq type 'desc) | |
| 1474 | ;; preformatted contents | |
| 1475 | (newsticker--cache-set-preformatted-contents | |
| 1476 | item (buffer-substring pos (point)))) | |
| 1477 | ((eq type 'item) | |
| 1478 | ;; preformatted title | |
| 1479 | (newsticker--cache-set-preformatted-title | |
| 1480 | item (buffer-substring pos (point))))))))) | |
| 1481 | ||
| 1482 | (defun newsticker--buffer-statistics (feed-name-symbol) | |
| 1483 | "Return a statistic string for the feed given by FEED-NAME-SYMBOL. | |
| 1484 | See `newsticker-statistics-format'." | |
| 1485 | (let ((case-fold-search nil)) | |
| 1486 | (replace-regexp-in-string | |
| 1487 | "%a" | |
| 1488 | (format "%d" (newsticker--stat-num-items feed-name-symbol)) | |
| 1489 | (replace-regexp-in-string | |
| 1490 | "%i" | |
| 1491 | (format "%d" (newsticker--stat-num-items feed-name-symbol 'immortal)) | |
| 1492 | (replace-regexp-in-string | |
| 1493 | "%n" | |
| 1494 | (format "%d" (newsticker--stat-num-items feed-name-symbol 'new)) | |
| 1495 | (replace-regexp-in-string | |
| 1496 | "%o" | |
| 1497 | (format "%d" (newsticker--stat-num-items feed-name-symbol 'old)) | |
| 1498 | (replace-regexp-in-string | |
| 1499 | "%O" | |
| 1500 | (format "%d" (newsticker--stat-num-items feed-name-symbol 'obsolete)) | |
| 1501 | newsticker-statistics-format))))))) | |
| 1502 | ||
| 1503 | (defun newsticker--buffer-set-faces (start end) | |
| 1504 | "Add face properties according to mark property. | |
| 1505 | Scans the buffer between START and END." | |
| 1506 | (save-excursion | |
| 1507 | (put-text-property start end 'face 'newsticker-default-face) | |
| 1508 | (goto-char start) | |
| 1509 | (let ((pos1 start) | |
| 1510 | (pos2 1) | |
| 1511 | (nt-face (get-text-property start 'nt-face)) | |
| 1512 | (nt-age (get-text-property start 'nt-age))) | |
| 1513 | (when nt-face | |
| 1514 | (setq pos2 (next-single-property-change (point) 'nt-face)) | |
| 1515 | (newsticker--set-face-properties pos1 pos2 nt-face nt-age) | |
| 1516 | (setq nt-face (get-text-property pos2 'nt-face)) | |
| 1517 | (setq pos1 pos2)) | |
| 1518 | (while (and (setq pos2 (next-single-property-change pos1 'nt-face)) | |
| 1519 | (<= pos2 end) | |
| 1520 | (> pos2 pos1)) | |
| 1521 | (newsticker--set-face-properties pos1 pos2 nt-face nt-age) | |
| 1522 | (setq nt-face (get-text-property pos2 'nt-face)) | |
| 1523 | (setq nt-age (get-text-property pos2 'nt-age)) | |
| 1524 | (setq pos1 pos2))))) | |
| 1525 | ||
| 1526 | (defun newsticker--buffer-set-invisibility (start end) | |
| 1527 | "Add invisibility properties according to nt-type property. | |
| 1528 | Scans the buffer between START and END. Sets the 'invisible | |
| 1529 | property to '(<nt-type>-<nt-age> <nt-type> <nt-age>)." | |
| 1530 | (save-excursion | |
| 1531 | ;; reset invisibility settings | |
| 1532 | (put-text-property start end 'invisible nil) | |
| 1533 | ;; let's go | |
| 1534 | (goto-char start) | |
| 1535 | (let ((pos1 start) | |
| 1536 | (pos2 1) | |
| 1537 | (nt-type (get-text-property start 'nt-type)) | |
| 1538 | (nt-age (get-text-property start 'nt-age))) | |
| 1539 | (when nt-type | |
| 1540 | (setq pos2 (next-single-property-change (point) 'nt-type)) | |
| 1541 | (put-text-property (max (point-min) pos1) (1- pos2) | |
| 1542 | 'invisible | |
| 1543 | (list (intern | |
| 1544 | (concat | |
| 1545 | (symbol-name | |
| 1546 | (if (eq nt-type 'extra) 'desc nt-type)) | |
| 1547 | "-" | |
| 1548 | (symbol-name nt-age))) | |
| 1549 | nt-type | |
| 1550 | nt-age)) | |
| 1551 | (setq nt-type (get-text-property pos2 'nt-type)) | |
| 1552 | (setq pos1 pos2)) | |
| 1553 | (while (and (setq pos2 (next-single-property-change pos1 'nt-type)) | |
| 1554 | (<= pos2 end) | |
| 1555 | (> pos2 pos1)) | |
| 53964682 | 1556 | ;; must shift one char to the left in order to handle invisible |
| 2415d4c6 UJ |
1557 | ;; newlines, motion in invisible text areas and all that correctly |
| 1558 | (put-text-property (1- pos1) (1- pos2) | |
| 1559 | 'invisible | |
| 1560 | (list (intern | |
| 1561 | (concat | |
| 1562 | (symbol-name | |
| 1563 | (if (eq nt-type 'extra) 'desc nt-type)) | |
| 1564 | "-" | |
| 1565 | (symbol-name nt-age))) | |
| 1566 | nt-type | |
| 1567 | nt-age)) | |
| 1568 | (setq nt-type (get-text-property pos2 'nt-type)) | |
| 1569 | (setq nt-age (get-text-property pos2 'nt-age)) | |
| 1570 | (setq pos1 pos2))))) | |
| 1571 | ||
| 1572 | (defun newsticker--set-face-properties (pos1 pos2 nt-face age) | |
| 1573 | "Set the face for the text between the positions POS1 and POS2. | |
| 1574 | The face is chosen according the values of NT-FACE and AGE." | |
| 1575 | (let ((face (cond ((eq nt-face 'feed) | |
| 1576 | 'newsticker-feed-face) | |
| 1577 | ((eq nt-face 'item) | |
| 1578 | (cond ((eq age 'new) | |
| 1579 | 'newsticker-new-item-face) | |
| 1580 | ((eq age 'old) | |
| 1581 | 'newsticker-old-item-face) | |
| 1582 | ((eq age 'immortal) | |
| 1583 | 'newsticker-immortal-item-face) | |
| 1584 | ((eq age 'obsolete) | |
| 1585 | 'newsticker-obsolete-item-face))) | |
| 1586 | ((eq nt-face 'date) | |
| 1587 | 'newsticker-date-face) | |
| 1588 | ((eq nt-face 'stat) | |
| 1589 | 'newsticker-statistics-face) | |
| 1590 | ((eq nt-face 'extra) | |
| 1591 | 'newsticker-extra-face) | |
| 1592 | ((eq nt-face 'enclosure) | |
| 1593 | 'newsticker-enclosure-face)))) | |
| 1594 | (when face | |
| 1595 | (put-text-property pos1 (max pos1 pos2) 'face face)))) | |
| 1596 | ||
| 1597 | ;; ====================================================================== | |
| 1598 | ;;; Functions working on the *newsticker* buffer | |
| 1599 | ;; ====================================================================== | |
| 1600 | (defun newsticker--buffer-make-item-completely-visible () | |
| 1601 | "Scroll buffer until current item is completely visible." | |
| 1602 | (when newsticker--auto-narrow-to-feed | |
| 1603 | (let* ((min (or (save-excursion (newsticker--buffer-beginning-of-feed)) | |
| 1604 | (point-min))) | |
| 1605 | (max (or (save-excursion (newsticker--buffer-end-of-feed)) | |
| 1606 | (point-max)))) | |
| 1607 | (narrow-to-region min max))) | |
| 1608 | (when newsticker--auto-narrow-to-item | |
| 1609 | (let* ((min (or (save-excursion (newsticker--buffer-beginning-of-item)) | |
| 1610 | (point-min))) | |
| 1611 | (max (or (save-excursion (newsticker--buffer-end-of-item)) | |
| 1612 | (point-max)))) | |
| 1613 | (narrow-to-region min max))) | |
| 1614 | (sit-for 0) | |
| 1615 | ;; do not count lines and stuff because that does not work when images | |
| 1616 | ;; are displayed. Do it the simple way: | |
| 1617 | (save-excursion | |
| 1618 | (newsticker--buffer-end-of-item) | |
| 1619 | (unless (pos-visible-in-window-p) | |
| 1620 | (recenter -1))) | |
| 1621 | (unless (pos-visible-in-window-p) | |
| 1622 | (recenter 0))) | |
| 1623 | ||
| 1624 | (defun newsticker--buffer-get-feed-title-at-point () | |
| 1625 | "Return feed symbol of headline at point." | |
| 1626 | (format "%s" (or (get-text-property (point) 'feed) " "))) | |
| 1627 | ||
| 1628 | (defun newsticker--buffer-get-item-title-at-point () | |
| 1629 | "Return feed symbol of headline at point." | |
| 1630 | (format "%s" (or (get-text-property (point) 'nt-title) " "))) | |
| 1631 | ||
| 1632 | (defun newsticker--buffer-goto (types &optional age backwards) | |
| 1633 | "Search next occurrence of TYPES in current buffer. | |
| 1634 | TYPES is a list of symbols. If TYPES is found point is moved, if | |
| 1635 | not point is left unchanged. If optional parameter AGE is not | |
| 1636 | nil, the type AND the age must match. If BACKWARDS is t, search | |
| 1637 | backwards." | |
| 1638 | (let ((pos (save-excursion | |
| 1639 | (save-restriction | |
| 1640 | (widen) | |
| 1641 | (catch 'found | |
| 1642 | (let ((tpos (point))) | |
| 1643 | (while (setq tpos | |
| 1644 | (if backwards | |
| 1645 | (if (eq tpos (point-min)) | |
| 1646 | nil | |
| 1647 | (or (previous-single-property-change | |
| 1648 | tpos 'nt-type) | |
| 1649 | (point-min))) | |
| 1650 | (next-single-property-change | |
| 1651 | tpos 'nt-type))) | |
| 1652 | (and (memq (get-text-property tpos 'nt-type) types) | |
| 1653 | (or (not age) | |
| 1654 | (eq (get-text-property tpos 'nt-age) age)) | |
| 1655 | (throw 'found tpos))))))))) | |
| 1656 | (when pos | |
| 1657 | (goto-char pos)) | |
| 1658 | pos)) | |
| 1659 | ||
| 1660 | (defun newsticker--buffer-hideshow (mark-age onoff) | |
| 1661 | "Hide or show items of type MARK-AGE. | |
| 1662 | If ONOFF is nil the item is hidden, otherwise it is shown." | |
| 1663 | (if onoff | |
| 1664 | (remove-from-invisibility-spec mark-age) | |
| 1665 | (add-to-invisibility-spec mark-age))) | |
| 1666 | ||
| 1667 | (defun newsticker--buffer-beginning-of-item () | |
| 1668 | "Move point to the beginning of the item at point. | |
| 1669 | Return new position." | |
| 1670 | (if (bobp) | |
| 1671 | (point) | |
| 1672 | (let ((type (get-text-property (point) 'nt-type)) | |
| 1673 | (typebefore (get-text-property (1- (point)) 'nt-type))) | |
| 1674 | (if (and (memq type '(item feed)) | |
| 1675 | (not (eq type typebefore))) | |
| 1676 | (point) | |
| 1677 | (newsticker--buffer-goto '(item feed) nil t) | |
| 1678 | (point))))) | |
| 1679 | ||
| 1680 | (defun newsticker--buffer-beginning-of-feed () | |
| 1681 | "Move point to the beginning of the feed at point. | |
| 1682 | Return new position." | |
| 1683 | (if (bobp) | |
| 1684 | (point) | |
| 1685 | (let ((type (get-text-property (point) 'nt-type)) | |
| 1686 | (typebefore (get-text-property (1- (point)) 'nt-type))) | |
| 1687 | (if (and (memq type '(feed)) | |
| 1688 | (not (eq type typebefore))) | |
| 1689 | (point) | |
| 1690 | (newsticker--buffer-goto '(feed) nil t) | |
| 1691 | (point))))) | |
| 1692 | ||
| 1693 | (defun newsticker--buffer-end-of-item () | |
| 1694 | "Move point to the end of the item at point. | |
| 1695 | Take care: end of item is at the end of its last line!" | |
| 1696 | (when (newsticker--buffer-goto '(item feed nil)) | |
| 1697 | (point))) | |
| 1698 | ||
| 1699 | (defun newsticker--buffer-end-of-feed () | |
| 1700 | "Move point to the end of the last item of the feed at point. | |
| 1701 | Take care: end of item is at the end of its last line!" | |
| 1702 | (when (newsticker--buffer-goto '(feed nil)) | |
| 1703 | (backward-char 1) | |
| 1704 | (point))) | |
| 1705 | ||
| 1706 | ;; ====================================================================== | |
| 1707 | ;;; misc | |
| 1708 | ;; ====================================================================== | |
| 1709 | ||
| 1710 | (defun newsticker-mouse-browse-url (event) | |
| 1711 | "Call `browse-url' for the link of the item at which the EVENT occurred." | |
| 1712 | (interactive "e") | |
| 1713 | (save-excursion | |
| 1714 | (switch-to-buffer (window-buffer (posn-window (event-end event)))) | |
| 1715 | (let ((url (get-text-property (posn-point (event-end event)) | |
| 1716 | 'nt-link))) | |
| 1717 | (when url | |
| 1718 | (browse-url url) | |
| 1719 | (save-excursion | |
| 1720 | (goto-char (posn-point (event-end event))) | |
| 1721 | (if newsticker-automatically-mark-visited-items-as-old | |
| 1722 | (newsticker-mark-item-at-point-as-read t))))))) | |
| 1723 | ||
| 1724 | (defun newsticker-browse-url () | |
| 1725 | "Call `browse-url' for the link of the item at point." | |
| 1726 | (interactive) | |
| 1727 | (let ((url (get-text-property (point) 'nt-link))) | |
| 1728 | (when url | |
| 1729 | (browse-url url) | |
| 1730 | (if newsticker-automatically-mark-visited-items-as-old | |
| 1731 | (newsticker-mark-item-at-point-as-read t))))) | |
| 1732 | ||
| 1733 | (defvar newsticker-open-url-history | |
| 1734 | '("wget" "xmms" "realplay") | |
| 1735 | "...") | |
| 1736 | ||
| 1737 | (defun newsticker-handle-url () | |
| 1738 | "Ask for a program to open the link of the item at point." | |
| 1739 | (interactive) | |
| 1740 | (let ((url (get-text-property (point) 'nt-link))) | |
| 1741 | (when url | |
| 1742 | (let ((prog (read-string "Open url with: " nil | |
| 1743 | 'newsticker-open-url-history))) | |
| 1744 | (when prog | |
| 1745 | (message "%s %s" prog url) | |
| 1746 | (start-process prog prog prog url) | |
| 1747 | (if newsticker-automatically-mark-visited-items-as-old | |
| 1748 | (newsticker-mark-item-at-point-as-read t))))))) | |
| 1749 | ||
| 1750 | ||
| 1751 | ;; ====================================================================== | |
| 1752 | ;;; Misc | |
| 1753 | ;; ====================================================================== | |
| 1754 | ||
| 1755 | (defun newsticker--cache-sort () | |
| 1756 | "Sort the newsticker cache data." | |
| 1757 | (let ((sort-fun (cond ((eq newsticker-sort-method 'sort-by-time) | |
| 1758 | 'newsticker--cache-item-compare-by-time) | |
| 1759 | ((eq newsticker-sort-method 'sort-by-title) | |
| 1760 | 'newsticker--cache-item-compare-by-title) | |
| 1761 | ((eq newsticker-sort-method 'sort-by-original-order) | |
| 1762 | 'newsticker--cache-item-compare-by-position)))) | |
| 1763 | (mapc (lambda (feed-list) | |
| 1764 | (setcdr feed-list (sort (cdr feed-list) | |
| 1765 | sort-fun))) | |
| 1766 | newsticker--cache))) | |
| 1767 | ||
| 8e39154d | 1768 | (provide 'newst-plainview) |
| 041fa0d4 | 1769 | |
| 2900b2d8 | 1770 | ;;; newst-plainview.el ends here |