HCoop / bpt / emacs.git / blame
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|---|---|---|
| 2415d4c6 UJ |
1 | ;;; newsticker-plainview.el --- Single buffer frontend for newsticker. |
| 2 | ||
| 3 | ;; Copyright (C) 2008 Free Software Foundation, Inc. | |
| 4 | ||
| 5 | ;; This file is part of GNU Emacs. | |
| 6 | ||
| 7 | ;; Author: Ulf Jasper <ulf.jasper@web.de> | |
| 8 | ;; Filename: newsticker-plainview.el | |
| 9 | ;; URL: http://www.nongnu.org/newsticker | |
| 4da498eb UJ |
10 | ;; Time-stamp: "8. Juni 2008, 20:39:46 (ulf)" |
| 11 | ;; CVS-Version: $Id: newsticker-plainview.el,v 1.2 2008/06/08 18:09:06 miles Exp $ | |
| 2415d4c6 UJ |
12 | |
| 13 | ;; ====================================================================== | |
| 14 | ||
| 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 | ||
| 36 | (require 'newsticker-ticker) | |
| 37 | (require 'newsticker-reader) | |
| 38 | (require 'derived) | |
| 39 | (require 'xml) | |
| 40 | ||
| 41 | ;; Silence warnings | |
| 42 | (defvar tool-bar-map) | |
| 43 | (defvar w3-mode-map) | |
| 44 | (defvar w3m-minor-mode-map) | |
| 45 | ||
| 46 | ;; ====================================================================== | |
| 47 | ;;; Customization | |
| 48 | ;; ====================================================================== | |
| 49 | (defgroup newsticker-plainview nil | |
| 50 | "Settings for the simple plain view reader. | |
| 51 | See also `newsticker-plainview-hooks'." | |
| 52 | :group 'newsticker-reader) | |
| 53 | ||
| 54 | ||
| 55 | (defun newsticker--set-customvar-buffer (symbol value) | |
| 56 | "Set newsticker-variable SYMBOL value to VALUE. | |
| 57 | Calls all actions which are necessary in order to make the new | |
| 58 | value effective." | |
| 59 | (if (or (not (boundp symbol)) | |
| 60 | (equal (symbol-value symbol) value)) | |
| 61 | (set symbol value) | |
| 62 | ;; something must have changed | |
| 63 | (set symbol value) | |
| 64 | (newsticker--buffer-set-uptodate nil))) | |
| 65 | ||
| 66 | (defun newsticker--set-customvar-sorting (symbol value) | |
| 67 | "Set newsticker-variable SYMBOL value to VALUE. | |
| 68 | Calls all actions which are necessary in order to make the new | |
| 69 | value effective." | |
| 70 | (if (or (not (boundp symbol)) | |
| 71 | (equal (symbol-value symbol) value)) | |
| 72 | (set symbol value) | |
| 73 | ;; something must have changed | |
| 74 | (set symbol value) | |
| 75 | (message "Applying new sort method...") | |
| 76 | (when (fboundp 'newsticker--cache-sort) (newsticker--cache-sort)) | |
| 77 | (when (fboundp 'newsticker--buffer-set-uptodate) | |
| 78 | (newsticker--buffer-set-uptodate nil)) | |
| 79 | (message "Applying new sort method...done"))) | |
| 80 | ||
| 81 | (defcustom newsticker-sort-method | |
| 82 | 'sort-by-original-order | |
| 83 | "Sort method for news items. | |
| 84 | The following sort methods are available: | |
| 85 | * `sort-by-original-order' keeps the order in which the items | |
| 86 | appear in the headline file (please note that for immortal items, | |
| 87 | which have been removed from the news feed, there is no original | |
| 88 | order), | |
| 89 | * `sort-by-time' looks at the time at which an item has been seen | |
| 90 | the first time. The most recent item is put at top, | |
| 91 | * `sort-by-title' will put the items in an alphabetical order." | |
| 92 | :type '(choice | |
| 93 | (const :tag "Keep original order" sort-by-original-order) | |
| 94 | (const :tag "Sort by time" sort-by-time) | |
| 95 | (const :tag "Sort by title" sort-by-title)) | |
| 96 | :set 'newsticker--set-customvar-sorting | |
| 97 | :group 'newsticker-plainview) | |
| 98 | ||
| 99 | (defcustom newsticker-heading-format | |
| 100 | "%l | |
| 101 | %t %d %s" | |
| 102 | "Format string for feed headings. | |
| 103 | The following printf-like specifiers can be used: | |
| 104 | %d The date the feed was retrieved. See `newsticker-date-format'. | |
| 105 | %l The logo (image) of the feed. Most news feeds provide a small | |
| 106 | image as logo. Newsticker can display them, if Emacs can -- | |
| 107 | see `image-types' for a list of supported image types. | |
| 108 | %L The logo (image) of the feed. If the logo is not available | |
| 109 | the title of the feed is used. | |
| 110 | %s The statistical data of the feed. See `newsticker-statistics-format'. | |
| 111 | %t The title of the feed, i.e. its name." | |
| 112 | :type 'string | |
| 113 | :set 'newsticker--set-customvar-formatting | |
| 114 | :group 'newsticker-plainview) | |
| 115 | ||
| 116 | (defcustom newsticker-item-format | |
| 117 | "%t %d" | |
| 118 | "Format string for news item headlines. | |
| 119 | The following printf-like specifiers can be used: | |
| 120 | %d The date the item was (first) retrieved. See `newsticker-date-format'. | |
| 121 | %l The logo (image) of the feed. Most news feeds provide a small | |
| 122 | image as logo. Newsticker can display them, if Emacs can -- | |
| 123 | see `image-types' for a list of supported image types. | |
| 124 | %L The logo (image) of the feed. If the logo is not available | |
| 125 | the title of the feed is used. | |
| 126 | %t The title of the item." | |
| 127 | :type 'string | |
| 128 | :set 'newsticker--set-customvar-formatting | |
| 129 | :group 'newsticker-plainview) | |
| 130 | ||
| 131 | (defcustom newsticker-desc-format | |
| 132 | "%d %c" | |
| 133 | "Format string for news descriptions (contents). | |
| 134 | The following printf-like specifiers can be used: | |
| 135 | %c The contents (description) of the item. | |
| 136 | %d The date the item was (first) retrieved. See | |
| 137 | `newsticker-date-format'." | |
| 138 | :type 'string | |
| 139 | :set 'newsticker--set-customvar-formatting | |
| 140 | :group 'newsticker-plainview) | |
| 141 | ||
| 142 | (defcustom newsticker-statistics-format | |
| 143 | "[%n + %i + %o + %O = %a]" | |
| 144 | "Format for the statistics part in feed lines. | |
| 145 | The following printf-like specifiers can be used: | |
| 146 | %a The number of all items in the feed. | |
| 147 | %i The number of immortal items in the feed. | |
| 148 | %n The number of new items in the feed. | |
| 149 | %o The number of old items in the feed. | |
| 150 | %O The number of obsolete items in the feed." | |
| 151 | :type 'string | |
| 152 | :set 'newsticker--set-customvar-formatting | |
| 153 | :group 'newsticker-plainview) | |
| 154 | ||
| 155 | ||
| 156 | ;; ====================================================================== | |
| 157 | ;; faces | |
| 158 | (defgroup newsticker-faces nil | |
| 159 | "Settings for the faces of the feed reader." | |
| 160 | :group 'newsticker-plainview) | |
| 161 | ||
| 162 | (defface newsticker-feed-face | |
| 163 | '((((class color) (background dark)) | |
| 164 | (:family "helvetica" :bold t :height 1.2 :foreground "misty rose")) | |
| 165 | (((class color) (background light)) | |
| 166 | (:family "helvetica" :bold t :height 1.2 :foreground "black"))) | |
| 167 | "Face for news feeds." | |
| 168 | :group 'newsticker-faces) | |
| 169 | ||
| 170 | (defface newsticker-new-item-face | |
| 171 | '((((class color) (background dark)) | |
| 172 | (:family "helvetica" :bold t)) | |
| 173 | (((class color) (background light)) | |
| 174 | (:family "helvetica" :bold t))) | |
| 175 | "Face for new news items." | |
| 176 | :group 'newsticker-faces) | |
| 177 | ||
| 178 | (defface newsticker-old-item-face | |
| 179 | '((((class color) (background dark)) | |
| 180 | (:family "helvetica" :bold t :foreground "orange3")) | |
| 181 | (((class color) (background light)) | |
| 182 | (:family "helvetica" :bold t :foreground "red4"))) | |
| 183 | "Face for old news items." | |
| 184 | :group 'newsticker-faces) | |
| 185 | ||
| 186 | (defface newsticker-immortal-item-face | |
| 187 | '((((class color) (background dark)) | |
| 188 | (:family "helvetica" :bold t :italic t :foreground "orange")) | |
| 189 | (((class color) (background light)) | |
| 190 | (:family "helvetica" :bold t :italic t :foreground "blue"))) | |
| 191 | "Face for immortal news items." | |
| 192 | :group 'newsticker-faces) | |
| 193 | ||
| 194 | (defface newsticker-obsolete-item-face | |
| 195 | '((((class color) (background dark)) | |
| 196 | (:family "helvetica" :bold t :strike-through t)) | |
| 197 | (((class color) (background light)) | |
| 198 | (:family "helvetica" :bold t :strike-through t))) | |
| 199 | "Face for old news items." | |
| 200 | :group 'newsticker-faces) | |
| 201 | ||
| 202 | (defface newsticker-date-face | |
| 203 | '((((class color) (background dark)) | |
| 204 | (:family "helvetica" :italic t :height 0.8)) | |
| 205 | (((class color) (background light)) | |
| 206 | (:family "helvetica" :italic t :height 0.8))) | |
| 207 | "Face for newsticker dates." | |
| 208 | :group 'newsticker-faces) | |
| 209 | ||
| 210 | (defface newsticker-statistics-face | |
| 211 | '((((class color) (background dark)) | |
| 212 | (:family "helvetica" :italic t :height 0.8)) | |
| 213 | (((class color) (background light)) | |
| 214 | (:family "helvetica" :italic t :height 0.8))) | |
| 215 | "Face for newsticker dates." | |
| 216 | :group 'newsticker-faces) | |
| 217 | ||
| 218 | (defface newsticker-enclosure-face | |
| 219 | '((((class color) (background dark)) | |
| 220 | (:bold t :background "orange")) | |
| 221 | (((class color) (background light)) | |
| 222 | (:bold t :background "orange"))) | |
| 223 | "Face for enclosed elements." | |
| 224 | :group 'newsticker-faces) | |
| 225 | ||
| 226 | (defface newsticker-extra-face | |
| 227 | '((((class color) (background dark)) | |
| 228 | (:italic t :foreground "gray50" :height 0.8)) | |
| 229 | (((class color) (background light)) | |
| 230 | (:italic t :foreground "gray50" :height 0.8))) | |
| 231 | "Face for newsticker dates." | |
| 232 | :group 'newsticker-faces) | |
| 233 | ||
| 234 | (defface newsticker-default-face | |
| 235 | '((((class color) (background dark)) | |
| 236 | (:inherit default)) | |
| 237 | (((class color) (background light)) | |
| 238 | (:inherit default))) | |
| 239 | "Face for the description of news items." | |
| 240 | ;;:set 'newsticker--set-customvar | |
| 241 | :group 'newsticker-faces) | |
| 242 | ||
| 243 | (defcustom newsticker-hide-old-items-in-newsticker-buffer | |
| 244 | nil | |
| 245 | "Decides whether to automatically hide old items in the *newsticker* buffer. | |
| 246 | If set to t old items will be completely folded and only new | |
| 247 | items will show up in the *newsticker* buffer. Otherwise old as | |
| 248 | well as new items will be visible." | |
| 249 | :type 'boolean | |
| 250 | :set 'newsticker--set-customvar-buffer | |
| 251 | :group 'newsticker-plainview) | |
| 252 | ||
| 253 | (defcustom newsticker-show-descriptions-of-new-items | |
| 254 | t | |
| 255 | "Whether to automatically show descriptions of new items in *newsticker*. | |
| 256 | If set to t old items will be folded and new items will be | |
| 257 | unfolded. Otherwise old as well as new items will be folded." | |
| 258 | :type 'boolean | |
| 259 | :set 'newsticker--set-customvar-buffer | |
| 260 | :group 'newsticker-plainview) | |
| 261 | ||
| 262 | (defcustom newsticker-show-all-news-elements | |
| 263 | nil | |
| 264 | "Show all news elements." | |
| 265 | :type 'boolean | |
| 266 | ;;:set 'newsticker--set-customvar | |
| 267 | :group 'newsticker-plainview) | |
| 268 | ||
| 269 | ;; ====================================================================== | |
| 270 | ;; hooks | |
| 271 | (defgroup newsticker-plainview-hooks nil | |
| 272 | "Settings for newsticker hooks which apply to plainview only." | |
| 273 | :group 'newsticker-hooks) | |
| 274 | ||
| 275 | (defcustom newsticker-select-item-hook | |
| 276 | 'newsticker--buffer-make-item-completely-visible | |
| 277 | "List of functions run after a headline has been selected. | |
| 278 | Each function is called after one of `newsticker-next-item', | |
| 279 | `newsticker-next-new-item', `newsticker-previous-item', | |
| 280 | `newsticker-previous-new-item' has been called. | |
| 281 | ||
| 282 | The default value 'newsticker--buffer-make-item-completely-visible | |
| 283 | assures that the current item is always completely visible." | |
| 284 | :type 'hook | |
| 285 | :options '(newsticker--buffer-make-item-completely-visible) | |
| 286 | :group 'newsticker-plainview-hooks) | |
| 287 | ||
| 288 | (defcustom newsticker-select-feed-hook | |
| 289 | 'newsticker--buffer-make-item-completely-visible | |
| 290 | "List of functions run after a feed has been selected. | |
| 291 | Each function is called after one of `newsticker-next-feed', and | |
| 292 | `newsticker-previous-feed' has been called. | |
| 293 | ||
| 294 | The default value 'newsticker--buffer-make-item-completely-visible | |
| 295 | assures that the current feed is completely visible." | |
| 296 | :type 'hook | |
| 297 | :options '(newsticker--buffer-make-item-completely-visible) | |
| 298 | :group 'newsticker-plainview-hooks) | |
| 299 | ||
| 300 | (defcustom newsticker-buffer-change-hook | |
| 301 | 'newsticker-w3m-show-inline-images | |
| 302 | "List of functions run after the newsticker buffer has been updated. | |
| 303 | Each function is called after `newsticker-buffer-update' has been called. | |
| 304 | ||
| 305 | The default value '`newsticker-w3m-show-inline-images' loads inline | |
| 306 | images." | |
| 307 | :type 'hook | |
| 308 | :group 'newsticker-plainview-hooks) | |
| 309 | ||
| 310 | (defcustom newsticker-narrow-hook | |
| 311 | 'newsticker-w3m-show-inline-images | |
| 312 | "List of functions run after narrowing in newsticker buffer has changed. | |
| 313 | Each function is called after | |
| 314 | `newsticker-toggle-auto-narrow-to-feed' or | |
| 315 | `newsticker-toggle-auto-narrow-to-item' has been called. | |
| 316 | ||
| 317 | The default value '`newsticker-w3m-show-inline-images' loads inline | |
| 318 | images." | |
| 319 | :type 'hook | |
| 320 | :group 'newsticker-plainview-hooks) | |
| 321 | ||
| 322 | ;; ====================================================================== | |
| 323 | ;;; Toolbar | |
| 324 | ;; ====================================================================== | |
| 325 | ||
| 326 | (defvar newsticker--plainview-tool-bar-map | |
| 327 | (if (featurep 'xemacs) | |
| 328 | nil | |
| 329 | (let ((tool-bar-map (make-sparse-keymap))) | |
| 330 | (define-key tool-bar-map [newsticker-sep-1] | |
| 331 | (list 'menu-item "--double-line")) | |
| 332 | (define-key tool-bar-map [newsticker-browse-url] | |
| 333 | (list 'menu-item "newsticker-browse-url" 'newsticker-browse-url | |
| 334 | :visible t | |
| 335 | :help "Browse URL for item at point" | |
| 336 | :image newsticker--browse-image)) | |
| 337 | (define-key tool-bar-map [newsticker-buffer-force-update] | |
| 338 | (list 'menu-item "newsticker-buffer-force-update" | |
| 339 | 'newsticker-buffer-force-update | |
| 340 | :visible t | |
| 341 | :help "Update newsticker buffer" | |
| 342 | :image newsticker--update-image | |
| 343 | :enable '(not newsticker--buffer-uptodate-p))) | |
| 344 | (define-key tool-bar-map [newsticker-get-all-news] | |
| 345 | (list 'menu-item "newsticker-get-all-news" 'newsticker-get-all-news | |
| 346 | :visible t | |
| 347 | :help "Get news for all feeds" | |
| 348 | :image newsticker--get-all-image)) | |
| 349 | (define-key tool-bar-map [newsticker-mark-item-at-point-as-read] | |
| 350 | (list 'menu-item "newsticker-mark-item-at-point-as-read" | |
| 351 | 'newsticker-mark-item-at-point-as-read | |
| 352 | :visible t | |
| 353 | :image newsticker--mark-read-image | |
| 354 | :help "Mark current item as read" | |
| 355 | :enable '(newsticker-item-not-old-p))) | |
| 356 | (define-key tool-bar-map [newsticker-mark-item-at-point-as-immortal] | |
| 357 | (list 'menu-item "newsticker-mark-item-at-point-as-immortal" | |
| 358 | 'newsticker-mark-item-at-point-as-immortal | |
| 359 | :visible t | |
| 360 | :image newsticker--mark-immortal-image | |
| 361 | :help "Mark current item as immortal" | |
| 362 | :enable '(newsticker-item-not-immortal-p))) | |
| 363 | (define-key tool-bar-map [newsticker-toggle-auto-narrow-to-feed] | |
| 364 | (list 'menu-item "newsticker-toggle-auto-narrow-to-feed" | |
| 365 | 'newsticker-toggle-auto-narrow-to-feed | |
| 366 | :visible t | |
| 367 | :help "Toggle visibility of other feeds" | |
| 368 | :image newsticker--narrow-image)) | |
| 369 | (define-key tool-bar-map [newsticker-next-feed] | |
| 370 | (list 'menu-item "newsticker-next-feed" 'newsticker-next-feed | |
| 371 | :visible t | |
| 372 | :help "Go to next feed" | |
| 373 | :image newsticker--next-feed-image | |
| 374 | :enable '(newsticker-next-feed-available-p))) | |
| 375 | (define-key tool-bar-map [newsticker-next-item] | |
| 376 | (list 'menu-item "newsticker-next-item" 'newsticker-next-item | |
| 377 | :visible t | |
| 378 | :help "Go to next item" | |
| 379 | :image newsticker--next-item-image | |
| 380 | :enable '(newsticker-next-item-available-p))) | |
| 381 | (define-key tool-bar-map [newsticker-previous-item] | |
| 382 | (list 'menu-item "newsticker-previous-item" 'newsticker-previous-item | |
| 383 | :visible t | |
| 384 | :help "Go to previous item" | |
| 385 | :image newsticker--previous-item-image | |
| 386 | :enable '(newsticker-previous-item-available-p))) | |
| 387 | (define-key tool-bar-map [newsticker-previous-feed] | |
| 388 | (list 'menu-item "newsticker-previous-feed" 'newsticker-previous-feed | |
| 389 | :visible t | |
| 390 | :help "Go to previous feed" | |
| 391 | :image newsticker--previous-feed-image | |
| 392 | :enable '(newsticker-previous-feed-available-p))) | |
| 393 | ;; standard icons / actions | |
| 394 | (tool-bar-add-item "close" | |
| 395 | 'newsticker-close-buffer | |
| 396 | 'newsticker-close-buffer | |
| 397 | :help "Close newsticker buffer") | |
| 398 | (tool-bar-add-item "preferences" | |
| 399 | 'newsticker-customize | |
| 400 | 'newsticker-customize | |
| 401 | :help "Customize newsticker") | |
| 402 | tool-bar-map))) | |
| 403 | ||
| 404 | ;; ====================================================================== | |
| 405 | ;;; Newsticker mode | |
| 406 | ;; ====================================================================== | |
| 407 | ||
| 408 | (define-derived-mode newsticker-mode fundamental-mode | |
| 409 | "NewsTicker" | |
| 410 | "Viewing news feeds in Emacs." | |
| 411 | (set (make-local-variable 'tool-bar-map) newsticker--plainview-tool-bar-map) | |
| 412 | (set (make-local-variable 'imenu-sort-function) nil) | |
| 413 | (set (make-local-variable 'scroll-conservatively) 999) | |
| 414 | (setq imenu-create-index-function 'newsticker--imenu-create-index) | |
| 415 | (setq imenu-default-goto-function 'newsticker--imenu-goto) | |
| 416 | (setq buffer-read-only t) | |
| 417 | (auto-fill-mode -1) ;; turn auto-fill off! | |
| 418 | (font-lock-mode -1) ;; turn off font-lock!! | |
| 419 | (set (make-local-variable 'font-lock-defaults) nil) | |
| 420 | (set (make-local-variable 'line-move-ignore-invisible) t) | |
| 421 | (setq mode-line-format | |
| 422 | (list "-" | |
| 423 | 'mode-line-mule-info | |
| 424 | 'mode-line-modified | |
| 425 | 'mode-line-frame-identification | |
| 426 | " Newsticker (" | |
| 427 | '(newsticker--buffer-uptodate-p | |
| 428 | "up to date" | |
| 429 | "NEED UPDATE") | |
| 430 | ") " | |
| 431 | '(:eval (format "[%d]" (length newsticker--process-ids))) | |
| 432 | " -- " | |
| 433 | '(:eval (newsticker--buffer-get-feed-title-at-point)) | |
| 434 | ": " | |
| 435 | '(:eval (newsticker--buffer-get-item-title-at-point)) | |
| 436 | " %-")) | |
| 437 | (add-to-invisibility-spec 't) | |
| 438 | (unless newsticker-show-all-news-elements | |
| 439 | (add-to-invisibility-spec 'extra)) | |
| 440 | (newsticker--buffer-set-uptodate nil)) | |
| 441 | ||
| 442 | ;; refine its mode-map | |
| 443 | (define-key newsticker-mode-map "sO" 'newsticker-show-old-items) | |
| 444 | (define-key newsticker-mode-map "hO" 'newsticker-hide-old-items) | |
| 445 | (define-key newsticker-mode-map "sa" 'newsticker-show-all-desc) | |
| 446 | (define-key newsticker-mode-map "ha" 'newsticker-hide-all-desc) | |
| 447 | (define-key newsticker-mode-map "sf" 'newsticker-show-feed-desc) | |
| 448 | (define-key newsticker-mode-map "hf" 'newsticker-hide-feed-desc) | |
| 449 | (define-key newsticker-mode-map "so" 'newsticker-show-old-item-desc) | |
| 450 | (define-key newsticker-mode-map "ho" 'newsticker-hide-old-item-desc) | |
| 451 | (define-key newsticker-mode-map "sn" 'newsticker-show-new-item-desc) | |
| 452 | (define-key newsticker-mode-map "hn" 'newsticker-hide-new-item-desc) | |
| 453 | (define-key newsticker-mode-map "se" 'newsticker-show-entry) | |
| 454 | (define-key newsticker-mode-map "he" 'newsticker-hide-entry) | |
| 455 | (define-key newsticker-mode-map "sx" 'newsticker-show-extra) | |
| 456 | (define-key newsticker-mode-map "hx" 'newsticker-hide-extra) | |
| 457 | ||
| 458 | (define-key newsticker-mode-map " " 'scroll-up) | |
| 459 | (define-key newsticker-mode-map "q" 'newsticker-close-buffer) | |
| 460 | (define-key newsticker-mode-map "p" 'newsticker-previous-item) | |
| 461 | (define-key newsticker-mode-map "P" 'newsticker-previous-new-item) | |
| 462 | (define-key newsticker-mode-map "F" 'newsticker-previous-feed) | |
| 463 | (define-key newsticker-mode-map "\t" 'newsticker-next-item) | |
| 464 | (define-key newsticker-mode-map "n" 'newsticker-next-item) | |
| 465 | (define-key newsticker-mode-map "N" 'newsticker-next-new-item) | |
| 466 | (define-key newsticker-mode-map "f" 'newsticker-next-feed) | |
| 467 | (define-key newsticker-mode-map "M" 'newsticker-mark-all-items-as-read) | |
| 468 | (define-key newsticker-mode-map "m" | |
| 469 | 'newsticker-mark-all-items-at-point-as-read-and-redraw) | |
| 470 | (define-key newsticker-mode-map "o" | |
| 471 | 'newsticker-mark-item-at-point-as-read) | |
| 472 | (define-key newsticker-mode-map "O" | |
| 473 | 'newsticker-mark-all-items-at-point-as-read) | |
| 474 | (define-key newsticker-mode-map "G" 'newsticker-get-all-news) | |
| 475 | (define-key newsticker-mode-map "g" 'newsticker-get-news-at-point) | |
| 476 | (define-key newsticker-mode-map "u" 'newsticker-buffer-update) | |
| 477 | (define-key newsticker-mode-map "U" 'newsticker-buffer-force-update) | |
| 478 | (define-key newsticker-mode-map "a" 'newsticker-add-url) | |
| 479 | ||
| 480 | (define-key newsticker-mode-map "i" | |
| 481 | 'newsticker-mark-item-at-point-as-immortal) | |
| 482 | ||
| 483 | (define-key newsticker-mode-map "xf" | |
| 484 | 'newsticker-toggle-auto-narrow-to-feed) | |
| 485 | (define-key newsticker-mode-map "xi" | |
| 486 | 'newsticker-toggle-auto-narrow-to-item) | |
| 487 | ||
| 488 | ;; maps for the clickable portions | |
| 489 | (defvar newsticker--url-keymap (make-sparse-keymap) | |
| 490 | "Key map for click-able headings in the newsticker buffer.") | |
| 491 | (define-key newsticker--url-keymap [mouse-1] | |
| 492 | 'newsticker-mouse-browse-url) | |
| 493 | (define-key newsticker--url-keymap [mouse-2] | |
| 494 | 'newsticker-mouse-browse-url) | |
| 495 | (define-key newsticker--url-keymap "\n" | |
| 496 | 'newsticker-browse-url) | |
| 497 | (define-key newsticker--url-keymap "\C-m" | |
| 498 | 'newsticker-browse-url) | |
| 499 | (define-key newsticker--url-keymap [(control return)] | |
| 500 | 'newsticker-handle-url) | |
| 501 | ||
| 502 | ;; newsticker menu | |
| 503 | (defvar newsticker-menu (make-sparse-keymap "Newsticker")) | |
| 504 | ||
| 505 | (define-key newsticker-menu [newsticker-browse-url] | |
| 506 | '("Browse URL for item at point" . newsticker-browse-url)) | |
| 507 | (define-key newsticker-menu [newsticker-separator-1] | |
| 508 | '("--")) | |
| 509 | (define-key newsticker-menu [newsticker-buffer-update] | |
| 510 | '("Update buffer" . newsticker-buffer-update)) | |
| 511 | (define-key newsticker-menu [newsticker-separator-2] | |
| 512 | '("--")) | |
| 513 | (define-key newsticker-menu [newsticker-get-all-news] | |
| 514 | '("Get news from all feeds" . newsticker-get-all-news)) | |
| 515 | (define-key newsticker-menu [newsticker-get-news-at-point] | |
| 516 | '("Get news from feed at point" . newsticker-get-news-at-point)) | |
| 517 | (define-key newsticker-menu [newsticker-separator-3] | |
| 518 | '("--")) | |
| 519 | (define-key newsticker-menu [newsticker-mark-all-items-as-read] | |
| 520 | '("Mark all items as read" . newsticker-mark-all-items-as-read)) | |
| 521 | (define-key newsticker-menu [newsticker-mark-all-items-at-point-as-read] | |
| 522 | '("Mark all items in feed at point as read" . | |
| 523 | newsticker-mark-all-items-at-point-as-read)) | |
| 524 | (define-key newsticker-menu [newsticker-mark-item-at-point-as-read] | |
| 525 | '("Mark item at point as read" . | |
| 526 | newsticker-mark-item-at-point-as-read)) | |
| 527 | (define-key newsticker-menu [newsticker-mark-item-at-point-as-immortal] | |
| 528 | '("Toggle immortality for item at point" . | |
| 529 | newsticker-mark-item-at-point-as-immortal)) | |
| 530 | (define-key newsticker-menu [newsticker-separator-4] | |
| 531 | '("--")) | |
| 532 | (define-key newsticker-menu [newsticker-toggle-auto-narrow-to-item] | |
| 533 | '("Narrow to single item" . newsticker-toggle-auto-narrow-to-item)) | |
| 534 | (define-key newsticker-menu [newsticker-toggle-auto-narrow-to-feed] | |
| 535 | '("Narrow to single news feed" . newsticker-toggle-auto-narrow-to-feed)) | |
| 536 | (define-key newsticker-menu [newsticker-hide-old-items] | |
| 537 | '("Hide old items" . newsticker-hide-old-items)) | |
| 538 | (define-key newsticker-menu [newsticker-show-old-items] | |
| 539 | '("Show old items" . newsticker-show-old-items)) | |
| 540 | (define-key newsticker-menu [newsticker-next-item] | |
| 541 | '("Go to next item" . newsticker-next-item)) | |
| 542 | (define-key newsticker-menu [newsticker-previous-item] | |
| 543 | '("Go to previous item" . newsticker-previous-item)) | |
| 544 | ||
| 545 | ;; bind menu to mouse | |
| 546 | (define-key newsticker-mode-map [down-mouse-3] newsticker-menu) | |
| 547 | ;; Put menu in menu-bar | |
| 548 | (define-key newsticker-mode-map [menu-bar Newsticker] | |
| 549 | (cons "Newsticker" newsticker-menu)) | |
| 550 | ||
| 551 | ||
| 552 | ;; ====================================================================== | |
| 553 | ;;; User fun | |
| 554 | ;; ====================================================================== | |
| 4da498eb | 555 | ;;;###autoload |
| 2415d4c6 UJ |
556 | (defun newsticker-plainview () |
| 557 | "Start newsticker plainview." | |
| 558 | (interactive) | |
| 559 | (newsticker-buffer-update t) | |
| 560 | (switch-to-buffer "*newsticker*")) | |
| 561 | ||
| 562 | (defun newsticker-buffer-force-update () | |
| 563 | "Update the newsticker buffer, even if not necessary." | |
| 564 | (interactive) | |
| 565 | (newsticker-buffer-update t)) | |
| 566 | ||
| 567 | (defun newsticker-buffer-update (&optional force) | |
| 568 | "Update the *newsticker* buffer. | |
| 569 | Unless FORCE is t this is done only if necessary, i.e. when the | |
| 570 | *newsticker* buffer is not up-to-date." | |
| 571 | (interactive) | |
| 572 | ;; bring cache data into proper order.... | |
| 573 | (newsticker--cache-sort) | |
| 574 | ;; fill buffer | |
| 575 | (save-excursion | |
| 576 | (let ((buf (get-buffer "*newsticker*"))) | |
| 577 | (if buf | |
| 578 | (switch-to-buffer buf) | |
| 579 | (switch-to-buffer (get-buffer-create "*newsticker*")) | |
| 580 | (newsticker--buffer-set-uptodate nil))) | |
| 581 | (when (or force | |
| 582 | (not newsticker--buffer-uptodate-p)) | |
| 583 | (message "Preparing newsticker buffer...") | |
| 584 | (setq buffer-undo-list t) | |
| 585 | (let ((inhibit-read-only t)) | |
| 586 | (set-buffer-modified-p nil) | |
| 587 | (erase-buffer) | |
| 588 | (newsticker-mode) | |
| 589 | ;; Emacs 21.3.50 does not care if we turn off auto-fill in the | |
| 590 | ;; definition of newsticker-mode, so we do it here (again) | |
| 591 | (auto-fill-mode -1) | |
| 592 | ||
| 593 | (set-buffer-file-coding-system 'utf-8) | |
| 594 | ||
| 595 | (if newsticker-use-full-width | |
| 596 | (set (make-local-variable 'fill-column) (1- (window-width)))) | |
| 597 | (newsticker--buffer-insert-all-items) | |
| 598 | ||
| 599 | ;; FIXME: needed for methods buffer in ecb | |
| 600 | ;; (set-visited-file-name "*newsticker*") | |
| 601 | ||
| 602 | (set-buffer-modified-p nil) | |
| 603 | (newsticker-hide-all-desc) | |
| 604 | (if newsticker-hide-old-items-in-newsticker-buffer | |
| 605 | (newsticker-hide-old-items)) | |
| 606 | (if newsticker-show-descriptions-of-new-items | |
| 607 | (newsticker-show-new-item-desc)) | |
| 608 | ) | |
| 609 | (message "")) | |
| 610 | (newsticker--buffer-set-uptodate t) | |
| 611 | (run-hooks 'newsticker-buffer-change-hook))) | |
| 612 | ||
| 613 | (defun newsticker-get-news-at-point () | |
| 614 | "Launch retrieval of news for the feed point is in. | |
| 615 | This does NOT start the retrieval timers." | |
| 616 | (interactive) | |
| 617 | ;; launch retrieval of news | |
| 618 | (let ((feed (get-text-property (point) 'feed))) | |
| 619 | (when feed | |
| 620 | (newsticker--debug-msg "Getting news for %s" (symbol-name feed)) | |
| 621 | (newsticker-get-news (symbol-name feed))))) | |
| 622 | ||
| 623 | (defun newsticker-w3m-show-inline-images () | |
| 624 | "Show inline images in visible text ranges. | |
| 625 | In-line images in invisible text ranges are hidden. This function | |
| 626 | calls `w3m-toggle-inline-image'. It works only if | |
| 627 | `newsticker-html-renderer' is set to `w3m-region'." | |
| 628 | (interactive) | |
| 629 | (if (eq newsticker-html-renderer 'w3m-region) | |
| 630 | (let ((inhibit-read-only t)) | |
| 631 | (save-excursion | |
| 632 | (save-restriction | |
| 633 | (widen) | |
| 634 | (goto-char (point-min)) | |
| 635 | (let ((pos (point))) | |
| 636 | (while pos | |
| 637 | (setq pos (next-single-property-change pos 'w3m-image)) | |
| 638 | (when pos | |
| 639 | (goto-char pos) | |
| 640 | (when (get-text-property pos 'w3m-image) | |
| 641 | (let ((invis (newsticker--lists-intersect-p | |
| 642 | (get-text-property (1- (point)) | |
| 643 | 'invisible) | |
| 644 | buffer-invisibility-spec))) | |
| 645 | (unless (car (get-text-property (1- (point)) | |
| 646 | 'display)) | |
| 647 | (unless invis | |
| 648 | (w3m-toggle-inline-image t))))))))))))) | |
| 649 | ||
| 650 | ;; ====================================================================== | |
| 651 | ;;; Keymap stuff | |
| 652 | ;; ====================================================================== | |
| 653 | (defun newsticker-close-buffer () | |
| 654 | "Close the newsticker buffer." | |
| 655 | (interactive) | |
| 656 | (newsticker--cache-update t) | |
| 657 | (bury-buffer)) | |
| 658 | ||
| 659 | (defun newsticker-next-new-item (&optional do-not-wrap-at-eob) | |
| 660 | "Go to next new news item. | |
| 661 | If no new item is found behind point, search is continued at | |
| 662 | beginning of buffer unless optional argument DO-NOT-WRAP-AT-EOB | |
| 663 | is non-nil." | |
| 664 | (interactive) | |
| 665 | (widen) | |
| 666 | (let ((go-ahead t)) | |
| 667 | (while go-ahead | |
| 668 | (unless (newsticker--buffer-goto '(item) 'new) | |
| 669 | ;; found nothing -- wrap | |
| 670 | (unless do-not-wrap-at-eob | |
| 671 | (goto-char (point-min)) | |
| 672 | (newsticker-next-new-item t)) | |
| 673 | (setq go-ahead nil)) | |
| 674 | (unless (newsticker--lists-intersect-p | |
| 675 | (get-text-property (point) 'invisible) | |
| 676 | buffer-invisibility-spec) | |
| 677 | ;; this item is invisible -- continue search | |
| 678 | (setq go-ahead nil)))) | |
| 679 | (run-hooks 'newsticker-select-item-hook) | |
| 680 | (point)) | |
| 681 | ||
| 682 | (defun newsticker-previous-new-item (&optional do-not-wrap-at-bob) | |
| 683 | "Go to previous new news item. | |
| 684 | If no new item is found before point, search is continued at | |
| 685 | beginning of buffer unless optional argument DO-NOT-WRAP-AT-BOB | |
| 686 | is non-nil." | |
| 687 | (interactive) | |
| 688 | (widen) | |
| 689 | (let ((go-ahead t)) | |
| 690 | (while go-ahead | |
| 691 | (unless (newsticker--buffer-goto '(item) 'new t) | |
| 692 | (unless do-not-wrap-at-bob | |
| 693 | (goto-char (point-max)) | |
| 694 | (newsticker--buffer-goto '(item) 'new t))) | |
| 695 | (unless (newsticker--lists-intersect-p | |
| 696 | (get-text-property (point) 'invisible) | |
| 697 | buffer-invisibility-spec) | |
| 698 | (setq go-ahead nil)))) | |
| 699 | (run-hooks 'newsticker-select-item-hook) | |
| 700 | (point)) | |
| 701 | ||
| 702 | (defun newsticker-next-item (&optional do-not-wrap-at-eob) | |
| 703 | "Go to next news item. | |
| 704 | Return new buffer position. | |
| 705 | If no item is found below point, search is continued at beginning | |
| 706 | of buffer unless optional argument DO-NOT-WRAP-AT-EOB is | |
| 707 | non-nil." | |
| 708 | (interactive) | |
| 709 | (widen) | |
| 710 | (let ((go-ahead t) | |
| 711 | (search-list '(item))) | |
| 712 | (if newsticker--auto-narrow-to-item | |
| 713 | (setq search-list '(item feed))) | |
| 714 | (while go-ahead | |
| 715 | (unless (newsticker--buffer-goto search-list) | |
| 716 | ;; found nothing -- wrap | |
| 717 | (unless do-not-wrap-at-eob | |
| 718 | (goto-char (point-min))) | |
| 719 | (setq go-ahead nil)) | |
| 720 | (unless (newsticker--lists-intersect-p | |
| 721 | (get-text-property (point) 'invisible) | |
| 722 | buffer-invisibility-spec) | |
| 723 | (setq go-ahead nil)))) | |
| 724 | (run-hooks 'newsticker-select-item-hook) | |
| 725 | (force-mode-line-update) | |
| 726 | (point)) | |
| 727 | ||
| 728 | (defun newsticker-next-item-same-feed () | |
| 729 | "Go to next news item in the same feed. | |
| 730 | Return new buffer position. If no item is found below point or if | |
| 731 | auto-narrow-to-item is enabled, nil is returned." | |
| 732 | (interactive) | |
| 733 | (if newsticker--auto-narrow-to-item | |
| 734 | nil | |
| 735 | (let ((go-ahead t) | |
| 736 | (current-pos (point)) | |
| 737 | (end-of-feed (save-excursion (newsticker--buffer-end-of-feed)))) | |
| 738 | (while go-ahead | |
| 739 | (unless (newsticker--buffer-goto '(item)) | |
| 740 | (setq go-ahead nil)) | |
| 741 | (unless (newsticker--lists-intersect-p | |
| 742 | (get-text-property (point) 'invisible) | |
| 743 | buffer-invisibility-spec) | |
| 744 | (setq go-ahead nil))) | |
| 745 | (if (and (> (point) current-pos) | |
| 746 | (< (point) end-of-feed)) | |
| 747 | (point) | |
| 748 | (goto-char current-pos) | |
| 749 | nil)))) | |
| 750 | ||
| 751 | (defun newsticker-previous-item (&optional do-not-wrap-at-bob) | |
| 752 | "Go to previous news item. | |
| 753 | Return new buffer position. | |
| 754 | If no item is found before point, search is continued at | |
| 755 | beginning of buffer unless optional argument DO-NOT-WRAP-AT-BOB | |
| 756 | is non-nil." | |
| 757 | (interactive) | |
| 758 | (widen) | |
| 759 | (let ((go-ahead t) | |
| 760 | (search-list '(item))) | |
| 761 | (if newsticker--auto-narrow-to-item | |
| 762 | (setq search-list '(item feed))) | |
| 763 | (when (bobp) | |
| 764 | (unless do-not-wrap-at-bob | |
| 765 | (goto-char (point-max)))) | |
| 766 | (while go-ahead | |
| 767 | (if (newsticker--buffer-goto search-list nil t) | |
| 768 | (unless (newsticker--lists-intersect-p | |
| 769 | (get-text-property (point) 'invisible) | |
| 770 | buffer-invisibility-spec) | |
| 771 | (setq go-ahead nil)) | |
| 772 | (goto-char (point-min)) | |
| 773 | (setq go-ahead nil)))) | |
| 774 | (run-hooks 'newsticker-select-item-hook) | |
| 775 | (force-mode-line-update) | |
| 776 | (point)) | |
| 777 | ||
| 778 | (defun newsticker-next-feed () | |
| 779 | "Go to next news feed. | |
| 780 | Return new buffer position." | |
| 781 | (interactive) | |
| 782 | (widen) | |
| 783 | (newsticker--buffer-goto '(feed)) | |
| 784 | (run-hooks 'newsticker-select-feed-hook) | |
| 785 | (force-mode-line-update) | |
| 786 | (point)) | |
| 787 | ||
| 788 | (defun newsticker-previous-feed () | |
| 789 | "Go to previous news feed. | |
| 790 | Return new buffer position." | |
| 791 | (interactive) | |
| 792 | (widen) | |
| 793 | (newsticker--buffer-goto '(feed) nil t) | |
| 794 | (run-hooks 'newsticker-select-feed-hook) | |
| 795 | (force-mode-line-update) | |
| 796 | (point)) | |
| 797 | ||
| 798 | (defun newsticker-mark-all-items-at-point-as-read-and-redraw () | |
| 799 | "Mark all items as read and clear ticker contents." | |
| 800 | (interactive) | |
| 801 | (when (or newsticker--buffer-uptodate-p | |
| 802 | (y-or-n-p | |
| 803 | "Buffer is not up to date -- really mark items as read? ")) | |
| 804 | (newsticker-mark-all-items-of-feed-as-read | |
| 805 | (get-text-property (point) 'feed)))) | |
| 806 | ||
| 807 | (defun newsticker-mark-all-items-of-feed-as-read (feed) | |
| 808 | "Mark all items of FEED as read, clear ticker, and redraw buffer." | |
| 809 | (when feed | |
| 810 | (let ((pos (point))) | |
| 811 | (message "Marking all items as read for %s" (symbol-name feed)) | |
| 812 | (newsticker--cache-replace-age newsticker--cache feed 'new 'old) | |
| 813 | (newsticker--cache-replace-age newsticker--cache feed 'obsolete | |
| 814 | 'old) | |
| 815 | (newsticker--cache-update) | |
| 816 | (newsticker--buffer-set-uptodate nil) | |
| 817 | (newsticker--ticker-text-setup) | |
| 818 | (newsticker-buffer-update) | |
| 819 | ;; go back to where we came frome | |
| 820 | (goto-char pos) | |
| 821 | (end-of-line) | |
| 822 | (newsticker--buffer-goto '(feed) nil t)))) | |
| 823 | ||
| 824 | (defun newsticker-mark-all-items-at-point-as-read () | |
| 825 | "Mark all items as read and clear ticker contents." | |
| 826 | (interactive) | |
| 827 | (when (or newsticker--buffer-uptodate-p | |
| 828 | (y-or-n-p | |
| 829 | "Buffer is not up to date -- really mark items as read? ")) | |
| 830 | (newsticker--do-mark-item-at-point-as-read t) | |
| 831 | (while (newsticker-next-item-same-feed) | |
| 832 | (newsticker--do-mark-item-at-point-as-read t)) | |
| 833 | (newsticker-next-item t))) | |
| 834 | ||
| 835 | (defun newsticker-mark-item-at-point-as-read (&optional respect-immortality) | |
| 836 | "Mark item at point as read and move to next item. | |
| 837 | If optional argument RESPECT-IMMORTALITY is not nil immortal items do | |
| 838 | not get changed." | |
| 839 | (interactive) | |
| 840 | (when (or newsticker--buffer-uptodate-p | |
| 841 | (y-or-n-p | |
| 842 | "Buffer is not up to date -- really mark this item as read? ")) | |
| 843 | (newsticker--do-mark-item-at-point-as-read respect-immortality) | |
| 844 | ;; move forward | |
| 845 | (newsticker-next-item t))) | |
| 846 | ||
| 847 | (defun newsticker--do-mark-item-at-point-as-read (&optional respect-immortality) | |
| 848 | "Mark item at point as read. | |
| 849 | If optional argument RESPECT-IMMORTALITY is not nil immortal items do | |
| 850 | not get changed." | |
| 851 | (let ((feed (get-text-property (point) 'feed))) | |
| 852 | (when feed | |
| 853 | (save-excursion | |
| 854 | (newsticker--buffer-beginning-of-item) | |
| 855 | (let ((inhibit-read-only t) | |
| 856 | (age (get-text-property (point) 'nt-age)) | |
| 857 | (title (get-text-property (point) 'nt-title)) | |
| 858 | (guid (get-text-property (point) 'nt-guid)) | |
| 859 | (nt-desc (get-text-property (point) 'nt-desc)) | |
| 860 | (pos (save-excursion (newsticker--buffer-end-of-item))) | |
| 861 | item) | |
| 862 | (when (or (eq age 'new) | |
| 863 | (eq age 'obsolete) | |
| 864 | (and (eq age 'immortal) | |
| 865 | (not respect-immortality))) | |
| 866 | ;; find item | |
| 867 | (setq item (newsticker--cache-contains newsticker--cache | |
| 868 | feed title nt-desc | |
| 869 | nil nil guid)) | |
| 870 | ;; mark as old | |
| 871 | (when item | |
| 872 | (setcar (nthcdr 4 item) 'old) | |
| 873 | (newsticker--do-forget-preformatted item)) | |
| 874 | ;; clean up ticker | |
| 875 | (if (or (and (eq age 'new) | |
| 876 | newsticker-hide-immortal-items-in-echo-area) | |
| 877 | (and (memq age '(old immortal)) | |
| 878 | (not | |
| 879 | (eq newsticker-hide-old-items-in-newsticker-buffer | |
| 880 | newsticker-hide-immortal-items-in-echo-area)))) | |
| 881 | (newsticker--ticker-text-remove feed title)) | |
| 882 | ;; set faces etc. | |
| 883 | (save-excursion | |
| 884 | (save-restriction | |
| 885 | (widen) | |
| 886 | (put-text-property (point) pos 'nt-age 'old) | |
| 887 | (newsticker--buffer-set-faces (point) pos))) | |
| 888 | (set-buffer-modified-p nil))))))) | |
| 889 | ||
| 890 | (defun newsticker-mark-item-at-point-as-immortal () | |
| 891 | "Mark item at point as read." | |
| 892 | (interactive) | |
| 893 | (when (or newsticker--buffer-uptodate-p | |
| 894 | (y-or-n-p | |
| 895 | "Buffer is not up to date -- really mark this item as read? ")) | |
| 896 | (let ((feed (get-text-property (point) 'feed)) | |
| 897 | (item nil)) | |
| 898 | (when feed | |
| 899 | (save-excursion | |
| 900 | (newsticker--buffer-beginning-of-item) | |
| 901 | (let ((inhibit-read-only t) | |
| 902 | (oldage (get-text-property (point) 'nt-age)) | |
| 903 | (title (get-text-property (point) 'nt-title)) | |
| 904 | (guid (get-text-property (point) 'nt-guid)) | |
| 905 | (pos (save-excursion (newsticker--buffer-end-of-item)))) | |
| 906 | (let ((newage 'immortal)) | |
| 907 | (if (eq oldage 'immortal) | |
| 908 | (setq newage 'old)) | |
| 909 | (setq item (newsticker--cache-contains newsticker--cache | |
| 910 | feed title nil nil nil | |
| 911 | guid)) | |
| 912 | ;; change age | |
| 913 | (when item | |
| 914 | (setcar (nthcdr 4 item) newage) | |
| 915 | (newsticker--do-forget-preformatted item)) | |
| 916 | (if (or (and (eq newage 'immortal) | |
| 917 | newsticker-hide-immortal-items-in-echo-area) | |
| 918 | (and (eq newage 'obsolete) | |
| 919 | newsticker-hide-obsolete-items-in-echo-area) | |
| 920 | (and (eq oldage 'immortal) | |
| 921 | (not | |
| 922 | (eq newsticker-hide-old-items-in-newsticker-buffer | |
| 923 | newsticker-hide-immortal-items-in-echo-area)))) | |
| 924 | (newsticker--ticker-text-remove feed title) | |
| 925 | (newsticker--ticker-text-setup)) | |
| 926 | (save-excursion | |
| 927 | (save-restriction | |
| 928 | (widen) | |
| 929 | (put-text-property (point) pos 'nt-age newage) | |
| 930 | (if (eq newage 'immortal) | |
| 931 | (put-text-property (point) pos 'nt-age 'immortal) | |
| 932 | (put-text-property (point) pos 'nt-age 'old)) | |
| 933 | (newsticker--buffer-set-faces (point) pos)))))) | |
| 934 | (if item | |
| 935 | (newsticker-next-item t)))))) | |
| 936 | ||
| 937 | (defun newsticker-mark-all-items-as-read () | |
| 938 | "Mark all items as read and clear ticker contents." | |
| 939 | (interactive) | |
| 940 | (when (or newsticker--buffer-uptodate-p | |
| 941 | (y-or-n-p | |
| 942 | "Buffer is not up to date -- really mark items as read? ")) | |
| 943 | (newsticker--cache-replace-age newsticker--cache 'any 'new 'old) | |
| 944 | (newsticker--buffer-set-uptodate nil) | |
| 945 | (newsticker--ticker-text-setup) | |
| 946 | (newsticker--cache-update) | |
| 947 | (newsticker-buffer-update))) | |
| 948 | ||
| 949 | (defun newsticker-hide-extra () | |
| 950 | "Hide the extra elements of items." | |
| 951 | (interactive) | |
| 952 | (newsticker--buffer-hideshow 'extra nil) | |
| 953 | (newsticker--buffer-redraw)) | |
| 954 | ||
| 955 | (defun newsticker-show-extra () | |
| 956 | "Show the extra elements of items." | |
| 957 | (interactive) | |
| 958 | (newsticker--buffer-hideshow 'extra t) | |
| 959 | (newsticker--buffer-redraw)) | |
| 960 | ||
| 961 | (defun newsticker-hide-old-item-desc () | |
| 962 | "Hide the description of old items." | |
| 963 | (interactive) | |
| 964 | (newsticker--buffer-hideshow 'desc-old nil) | |
| 965 | (newsticker--buffer-redraw)) | |
| 966 | ||
| 967 | (defun newsticker-show-old-item-desc () | |
| 968 | "Show the description of old items." | |
| 969 | (interactive) | |
| 970 | (newsticker--buffer-hideshow 'item-old t) | |
| 971 | (newsticker--buffer-hideshow 'desc-old t) | |
| 972 | (newsticker--buffer-redraw)) | |
| 973 | ||
| 974 | (defun newsticker-hide-new-item-desc () | |
| 975 | "Hide the description of new items." | |
| 976 | (interactive) | |
| 977 | (newsticker--buffer-hideshow 'desc-new nil) | |
| 978 | (newsticker--buffer-hideshow 'desc-immortal nil) | |
| 979 | (newsticker--buffer-hideshow 'desc-obsolete nil) | |
| 980 | (newsticker--buffer-redraw)) | |
| 981 | ||
| 982 | (defun newsticker-show-new-item-desc () | |
| 983 | "Show the description of new items." | |
| 984 | (interactive) | |
| 985 | (newsticker--buffer-hideshow 'desc-new t) | |
| 986 | (newsticker--buffer-hideshow 'desc-immortal t) | |
| 987 | (newsticker--buffer-hideshow 'desc-obsolete t) | |
| 988 | (newsticker--buffer-redraw)) | |
| 989 | ||
| 990 | (defun newsticker-hide-feed-desc () | |
| 991 | "Hide the description of feeds." | |
| 992 | (interactive) | |
| 993 | (newsticker--buffer-hideshow 'desc-feed nil) | |
| 994 | (newsticker--buffer-redraw)) | |
| 995 | ||
| 996 | (defun newsticker-show-feed-desc () | |
| 997 | "Show the description of old items." | |
| 998 | (interactive) | |
| 999 | (newsticker--buffer-hideshow 'desc-feed t) | |
| 1000 | (newsticker--buffer-redraw)) | |
| 1001 | ||
| 1002 | (defun newsticker-hide-all-desc () | |
| 1003 | "Hide the descriptions of feeds and all items." | |
| 1004 | (interactive) | |
| 1005 | (newsticker--buffer-hideshow 'desc-feed nil) | |
| 1006 | (newsticker--buffer-hideshow 'desc-immortal nil) | |
| 1007 | (newsticker--buffer-hideshow 'desc-obsolete nil) | |
| 1008 | (newsticker--buffer-hideshow 'desc-new nil) | |
| 1009 | (newsticker--buffer-hideshow 'desc-old nil) | |
| 1010 | (newsticker--buffer-redraw)) | |
| 1011 | ||
| 1012 | (defun newsticker-show-all-desc () | |
| 1013 | "Show the descriptions of feeds and all items." | |
| 1014 | (interactive) | |
| 1015 | (newsticker--buffer-hideshow 'desc-feed t) | |
| 1016 | (newsticker--buffer-hideshow 'desc-immortal t) | |
| 1017 | (newsticker--buffer-hideshow 'desc-obsolete t) | |
| 1018 | (newsticker--buffer-hideshow 'desc-new t) | |
| 1019 | (newsticker--buffer-hideshow 'desc-old t) | |
| 1020 | (newsticker--buffer-redraw)) | |
| 1021 | ||
| 1022 | (defun newsticker-hide-old-items () | |
| 1023 | "Hide old items." | |
| 1024 | (interactive) | |
| 1025 | (newsticker--buffer-hideshow 'desc-old nil) | |
| 1026 | (newsticker--buffer-hideshow 'item-old nil) | |
| 1027 | (newsticker--buffer-redraw)) | |
| 1028 | ||
| 1029 | (defun newsticker-show-old-items () | |
| 1030 | "Show old items." | |
| 1031 | (interactive) | |
| 1032 | (newsticker--buffer-hideshow 'item-old t) | |
| 1033 | (newsticker--buffer-redraw)) | |
| 1034 | ||
| 1035 | (defun newsticker-hide-entry () | |
| 1036 | "Hide description of entry at point." | |
| 1037 | (interactive) | |
| 1038 | (save-excursion | |
| 1039 | (let* (pos1 pos2 | |
| 1040 | (inhibit-read-only t) | |
| 1041 | inv-prop org-inv-prop | |
| 1042 | is-invisible) | |
| 1043 | (newsticker--buffer-beginning-of-item) | |
| 1044 | (newsticker--buffer-goto '(desc)) | |
| 1045 | (setq pos1 (max (point-min) (1- (point)))) | |
| 1046 | (newsticker--buffer-goto '(extra feed item nil)) | |
| 1047 | (setq pos2 (max (point-min) (1- (point)))) | |
| 1048 | (setq inv-prop (get-text-property pos1 'invisible)) | |
| 1049 | (setq org-inv-prop (get-text-property pos1 'org-invisible)) | |
| 1050 | (cond ((eq inv-prop t) | |
| 1051 | ;; do nothing | |
| 1052 | ) | |
| 1053 | ((eq org-inv-prop nil) | |
| 1054 | (add-text-properties pos1 pos2 | |
| 1055 | (list 'invisible (list t) | |
| 1056 | 'org-invisible inv-prop))) | |
| 1057 | (t | |
| 1058 | ;; toggle | |
| 1059 | (add-text-properties pos1 pos2 | |
| 1060 | (list 'invisible org-inv-prop)) | |
| 1061 | (remove-text-properties pos1 pos2 '(org-invisible)))))) | |
| 1062 | (newsticker--buffer-redraw)) | |
| 1063 | ||
| 1064 | (defun newsticker-show-entry () | |
| 1065 | "Show description of entry at point." | |
| 1066 | (interactive) | |
| 1067 | (save-excursion | |
| 1068 | (let* (pos1 pos2 | |
| 1069 | (inhibit-read-only t) | |
| 1070 | inv-prop org-inv-prop | |
| 1071 | is-invisible) | |
| 1072 | (newsticker--buffer-beginning-of-item) | |
| 1073 | (newsticker--buffer-goto '(desc)) | |
| 1074 | (setq pos1 (max (point-min) (1- (point)))) | |
| 1075 | (newsticker--buffer-goto '(extra feed item)) | |
| 1076 | (setq pos2 (max (point-min) (1- (point)))) | |
| 1077 | (setq inv-prop (get-text-property pos1 'invisible)) | |
| 1078 | (setq org-inv-prop (get-text-property pos1 'org-invisible)) | |
| 1079 | (cond ((eq org-inv-prop nil) | |
| 1080 | (add-text-properties pos1 pos2 | |
| 1081 | (list 'invisible nil | |
| 1082 | 'org-invisible inv-prop))) | |
| 1083 | (t | |
| 1084 | ;; toggle | |
| 1085 | (add-text-properties pos1 pos2 | |
| 1086 | (list 'invisible org-inv-prop)) | |
| 1087 | (remove-text-properties pos1 pos2 '(org-invisible)))))) | |
| 1088 | (newsticker--buffer-redraw)) | |
| 1089 | ||
| 1090 | (defun newsticker-toggle-auto-narrow-to-feed () | |
| 1091 | "Toggle narrowing to current news feed. | |
| 1092 | If auto-narrowing is active, only news item of the current feed | |
| 1093 | are visible." | |
| 1094 | (interactive) | |
| 1095 | (newsticker-set-auto-narrow-to-feed | |
| 1096 | (not newsticker--auto-narrow-to-feed))) | |
| 1097 | ||
| 1098 | (defun newsticker-set-auto-narrow-to-feed (value) | |
| 1099 | "Turn narrowing to current news feed on or off. | |
| 1100 | If VALUE is nil, auto-narrowing is turned off, otherwise it is turned on." | |
| 1101 | (interactive) | |
| 1102 | (setq newsticker--auto-narrow-to-item nil) | |
| 1103 | (setq newsticker--auto-narrow-to-feed value) | |
| 1104 | (widen) | |
| 1105 | (newsticker--buffer-make-item-completely-visible) | |
| 1106 | (run-hooks 'newsticker-narrow-hook)) | |
| 1107 | ||
| 1108 | (defun newsticker-toggle-auto-narrow-to-item () | |
| 1109 | "Toggle narrowing to current news item. | |
| 1110 | If auto-narrowing is active, only one item of the current feed | |
| 1111 | is visible." | |
| 1112 | (interactive) | |
| 1113 | (newsticker-set-auto-narrow-to-item | |
| 1114 | (not newsticker--auto-narrow-to-item))) | |
| 1115 | ||
| 1116 | (defun newsticker-set-auto-narrow-to-item (value) | |
| 1117 | "Turn narrowing to current news item on or off. | |
| 1118 | If VALUE is nil, auto-narrowing is turned off, otherwise it is turned on." | |
| 1119 | (interactive) | |
| 1120 | (setq newsticker--auto-narrow-to-feed nil) | |
| 1121 | (setq newsticker--auto-narrow-to-item value) | |
| 1122 | (widen) | |
| 1123 | (newsticker--buffer-make-item-completely-visible) | |
| 1124 | (run-hooks 'newsticker-narrow-hook)) | |
| 1125 | ||
| 1126 | (defun newsticker-next-feed-available-p () | |
| 1127 | "Return t if position is before last feed, nil otherwise." | |
| 1128 | (save-excursion | |
| 1129 | (let ((p (point))) | |
| 1130 | (newsticker--buffer-goto '(feed)) | |
| 1131 | (not (= p (point)))))) | |
| 1132 | ||
| 1133 | (defun newsticker-previous-feed-available-p () | |
| 1134 | "Return t if position is behind first feed, nil otherwise." | |
| 1135 | (save-excursion | |
| 1136 | (let ((p (point))) | |
| 1137 | (newsticker--buffer-goto '(feed) nil t) | |
| 1138 | (not (= p (point)))))) | |
| 1139 | ||
| 1140 | (defun newsticker-next-item-available-p () | |
| 1141 | "Return t if position is before last feed, nil otherwise." | |
| 1142 | (save-excursion | |
| 1143 | (catch 'result | |
| 1144 | (while (< (point) (point-max)) | |
| 1145 | (unless (newsticker--buffer-goto '(item)) | |
| 1146 | (throw 'result nil)) | |
| 1147 | (unless (newsticker--lists-intersect-p | |
| 1148 | (get-text-property (point) 'invisible) | |
| 1149 | buffer-invisibility-spec) | |
| 1150 | (throw 'result t)))))) | |
| 1151 | ||
| 1152 | (defun newsticker-previous-item-available-p () | |
| 1153 | "Return t if position is behind first item, nil otherwise." | |
| 1154 | (save-excursion | |
| 1155 | (catch 'result | |
| 1156 | (while (> (point) (point-min)) | |
| 1157 | (unless (newsticker--buffer-goto '(item) nil t) | |
| 1158 | (throw 'result nil)) | |
| 1159 | (unless (newsticker--lists-intersect-p | |
| 1160 | (get-text-property (point) 'invisible) | |
| 1161 | buffer-invisibility-spec) | |
| 1162 | (throw 'result t)))))) | |
| 1163 | ||
| 1164 | (defun newsticker-item-not-old-p () | |
| 1165 | "Return t if there is an item at point which is not old, nil otherwise." | |
| 1166 | (when (get-text-property (point) 'feed) | |
| 1167 | (save-excursion | |
| 1168 | (newsticker--buffer-beginning-of-item) | |
| 1169 | (let ((age (get-text-property (point) 'nt-age))) | |
| 1170 | (and (memq age '(new immortal obsolete)) t))))) | |
| 1171 | ||
| 1172 | (defun newsticker-item-not-immortal-p () | |
| 1173 | "Return t if there is an item at point which is not immortal, nil otherwise." | |
| 1174 | (when (get-text-property (point) 'feed) | |
| 1175 | (save-excursion | |
| 1176 | (newsticker--buffer-beginning-of-item) | |
| 1177 | (let ((age (get-text-property (point) 'nt-age))) | |
| 1178 | (and (memq age '(new old obsolete)) t))))) | |
| 1179 | ||
| 1180 | ;; ====================================================================== | |
| 1181 | ;;; Imenu stuff | |
| 1182 | ;; ====================================================================== | |
| 1183 | (defun newsticker--imenu-create-index () | |
| 1184 | "Scan newsticker buffer and return an index for imenu." | |
| 1185 | (save-excursion | |
| 1186 | (goto-char (point-min)) | |
| 1187 | (let ((index-alist nil) | |
| 1188 | (feed-list nil) | |
| 1189 | (go-ahead t)) | |
| 1190 | (while go-ahead | |
| 1191 | (let ((type (get-text-property (point) 'nt-type)) | |
| 1192 | (title (get-text-property (point) 'nt-title))) | |
| 1193 | (cond ((eq type 'feed) | |
| 1194 | ;; we're on a feed heading | |
| 1195 | (when feed-list | |
| 1196 | (if index-alist | |
| 1197 | (nconc index-alist (list feed-list)) | |
| 1198 | (setq index-alist (list feed-list)))) | |
| 1199 | (setq feed-list (list title))) | |
| 1200 | (t | |
| 1201 | (nconc feed-list | |
| 1202 | (list (cons title (point))))))) | |
| 1203 | (setq go-ahead (newsticker--buffer-goto '(item feed)))) | |
| 1204 | (if index-alist | |
| 1205 | (nconc index-alist (list feed-list)) | |
| 1206 | (setq index-alist (list feed-list))) | |
| 1207 | index-alist))) | |
| 1208 | ||
| 1209 | (defun newsticker--imenu-goto (name pos &rest args) | |
| 1210 | "Go to item NAME at position POS and show item. | |
| 1211 | ARGS are ignored." | |
| 1212 | (goto-char pos) | |
| 1213 | ;; show headline | |
| 1214 | (newsticker--buffer-goto '(desc extra feed item)) | |
| 1215 | (let* ((inhibit-read-only t) | |
| 1216 | (pos1 (max (point-min) (1- pos))) | |
| 1217 | (pos2 (max pos1 (1- (point)))) | |
| 1218 | (inv-prop (get-text-property pos 'invisible)) | |
| 1219 | (org-inv-prop (get-text-property pos 'org-invisible))) | |
| 1220 | (when (eq org-inv-prop nil) | |
| 1221 | (add-text-properties pos1 pos2 (list 'invisible nil | |
| 1222 | 'org-invisible inv-prop)))) | |
| 1223 | ;; show desc | |
| 1224 | (newsticker-show-entry)) | |
| 1225 | ||
| 1226 | ;; ====================================================================== | |
| 1227 | ;;; Buffer stuff | |
| 1228 | ;; ====================================================================== | |
| 1229 | (defun newsticker--buffer-set-uptodate (value) | |
| 1230 | "Set the uptodate-status of the newsticker buffer to VALUE. | |
| 1231 | The mode-line is changed accordingly." | |
| 1232 | (setq newsticker--buffer-uptodate-p value) | |
| 1233 | (let ((b (get-buffer "*newsticker*"))) | |
| 1234 | (when b | |
| 1235 | (save-excursion | |
| 1236 | (set-buffer b) | |
| 1237 | (if value | |
| 1238 | (setq mode-name "Newsticker -- up to date -- ") | |
| 1239 | (setq mode-name "Newsticker -- NEED UPDATE -- "))) | |
| 1240 | (force-mode-line-update 0)))) | |
| 1241 | ||
| 1242 | (defun newsticker--buffer-redraw () | |
| 1243 | "Redraw the newsticker window." | |
| 1244 | (if (fboundp 'force-window-update) | |
| 1245 | (force-window-update (current-buffer)) | |
| 1246 | (redraw-frame (selected-frame))) | |
| 1247 | (run-hooks 'newsticker-buffer-change-hook) | |
| 1248 | (sit-for 0)) | |
| 1249 | ||
| 1250 | (defun newsticker--buffer-insert-all-items () | |
| 1251 | "Insert all cached newsticker items into the current buffer. | |
| 1252 | Keeps order of feeds as given in `newsticker-url-list' and | |
| 1253 | `newsticker-url-list-defaults'." | |
| 1254 | (goto-char (point-min)) | |
| 1255 | (mapc (lambda (url-item) | |
| 1256 | (let* ((feed-name (car url-item)) | |
| 1257 | (feed-name-symbol (intern feed-name)) | |
| 1258 | (feed (assoc feed-name-symbol newsticker--cache)) | |
| 1259 | (items (cdr feed)) | |
| 1260 | (pos (point))) | |
| 1261 | (when feed | |
| 1262 | ;; insert the feed description | |
| 1263 | (mapc (lambda (item) | |
| 1264 | (when (eq (newsticker--age item) 'feed) | |
| 1265 | (newsticker--buffer-insert-item item | |
| 1266 | feed-name-symbol))) | |
| 1267 | items) | |
| 1268 | ;;insert the items | |
| 1269 | (mapc (lambda (item) | |
| 1270 | (if (memq (newsticker--age item) '(new immortal old | |
| 1271 | obsolete)) | |
| 1272 | (newsticker--buffer-insert-item item | |
| 1273 | feed-name-symbol))) | |
| 1274 | items) | |
| 1275 | (put-text-property pos (point) 'feed (car feed)) | |
| 1276 | ||
| 1277 | ;; insert empty line between feeds | |
| 1278 | (let ((p (point))) | |
| 1279 | (insert "\n") | |
| 1280 | (put-text-property p (point) 'hard t))))) | |
| 1281 | (append newsticker-url-list newsticker-url-list-defaults)) | |
| 1282 | ||
| 1283 | (newsticker--buffer-set-faces (point-min) (point-max)) | |
| 1284 | (newsticker--buffer-set-invisibility (point-min) (point-max)) | |
| 1285 | (goto-char (point-min))) | |
| 1286 | ||
| 1287 | (defun newsticker--buffer-insert-item (item &optional feed-name-symbol) | |
| 1288 | "Insert a news item in the current buffer. | |
| 1289 | Insert a formatted representation of the ITEM. The optional parameter | |
| 1290 | FEED-NAME-SYMBOL determines how the item is formatted and whether the | |
| 1291 | item-retrieval time is added as well." | |
| 1292 | ;; insert headline | |
| 1293 | (if (eq (newsticker--age item) 'feed) | |
| 1294 | (newsticker--buffer-do-insert-text item 'feed feed-name-symbol) | |
| 1295 | (newsticker--buffer-do-insert-text item 'item feed-name-symbol)) | |
| 1296 | ;; insert the description | |
| 1297 | (newsticker--buffer-do-insert-text item 'desc feed-name-symbol)) | |
| 1298 | ||
| 1299 | (defun newsticker--buffer-do-insert-text (item type feed-name-symbol) | |
| 1300 | "Actually insert contents of news item, format it, render it and all that. | |
| 1301 | ITEM is a news item, TYPE tells which part of the item shall be inserted, | |
| 1302 | FEED-NAME-SYMBOL tells to which feed this item belongs." | |
| 1303 | (let* ((pos (point)) | |
| 1304 | (format newsticker-desc-format) | |
| 1305 | (pos-date-start nil) | |
| 1306 | (pos-date-end nil) | |
| 1307 | (pos-stat-start nil) | |
| 1308 | (pos-stat-end nil) | |
| 1309 | (pos-text-start nil) | |
| 1310 | (pos-text-end nil) | |
| 1311 | (pos-extra-start nil) | |
| 1312 | (pos-extra-end nil) | |
| 1313 | (pos-enclosure-start nil) | |
| 1314 | (pos-enclosure-end nil) | |
| 1315 | (age (newsticker--age item)) | |
| 1316 | (preformatted-contents (newsticker--preformatted-contents item)) | |
| 1317 | (preformatted-title (newsticker--preformatted-title item))) | |
| 1318 | (cond ((and preformatted-contents | |
| 1319 | (not (eq (aref preformatted-contents 0) ?\n));; we must | |
| 1320 | ;; NOT have a line | |
| 1321 | ;; break! | |
| 1322 | (eq type 'desc)) | |
| 1323 | (insert preformatted-contents)) | |
| 1324 | ((and preformatted-title | |
| 1325 | (not (eq (aref preformatted-title 0) ?\n));; we must NOT have a | |
| 1326 | ;; line break! | |
| 1327 | (eq type 'item)) | |
| 1328 | (insert preformatted-title)) | |
| 1329 | (t | |
| 1330 | ;; item was not formatted before. | |
| 1331 | ;; Let's go. | |
| 1332 | (if (eq type 'item) | |
| 1333 | (setq format newsticker-item-format) | |
| 1334 | (if (eq type 'feed) | |
| 1335 | (setq format newsticker-heading-format))) | |
| 1336 | ||
| 1337 | (while (> (length format) 0) | |
| 1338 | (let ((prefix (if (> (length format) 1) | |
| 1339 | (substring format 0 2) | |
| 1340 | ""))) | |
| 1341 | (cond ((string= "%c" prefix) | |
| 1342 | ;; contents | |
| 1343 | (when (newsticker--desc item) | |
| 1344 | (setq pos-text-start (point-marker)) | |
| 1345 | (insert (newsticker--desc item)) | |
| 1346 | (setq pos-text-end (point-marker))) | |
| 1347 | (setq format (substring format 2))) | |
| 1348 | ((string= "%d" prefix) | |
| 1349 | ;; date | |
| 1350 | (setq pos-date-start (point-marker)) | |
| 1351 | (if (newsticker--time item) | |
| 1352 | (insert (format-time-string newsticker-date-format | |
| 1353 | (newsticker--time item)))) | |
| 1354 | (setq pos-date-end (point-marker)) | |
| 1355 | (setq format (substring format 2))) | |
| 1356 | ((string= "%l" prefix) | |
| 1357 | ;; logo | |
| 1358 | (let ((disabled (cond ((eq (newsticker--age item) 'feed) | |
| 1359 | (= (newsticker--stat-num-items | |
| 1360 | feed-name-symbol 'new) 0)) | |
| 1361 | (t | |
| 1362 | (not (eq (newsticker--age item) | |
| 1363 | 'new)))))) | |
| 1364 | (let ((img (newsticker--image-read feed-name-symbol | |
| 1365 | disabled))) | |
| 1366 | (when img | |
| 1367 | (newsticker--insert-image img (car item))))) | |
| 1368 | (setq format (substring format 2))) | |
| 1369 | ((string= "%L" prefix) | |
| 1370 | ;; logo or title | |
| 1371 | (let ((disabled (cond ((eq (newsticker--age item) 'feed) | |
| 1372 | (= (newsticker--stat-num-items | |
| 1373 | feed-name-symbol 'new) 0)) | |
| 1374 | (t | |
| 1375 | (not (eq (newsticker--age item) | |
| 1376 | 'new)))))) | |
| 1377 | (let ((img (newsticker--image-read feed-name-symbol | |
| 1378 | disabled))) | |
| 1379 | (if img | |
| 1380 | (newsticker--insert-image img (car item)) | |
| 1381 | (when (car item) | |
| 1382 | (setq pos-text-start (point-marker)) | |
| 1383 | (if (eq (newsticker--age item) 'feed) | |
| 1384 | (insert (newsticker--title item)) | |
| 1385 | ;; FIXME: This is not the "real" title! | |
| 1386 | (insert (format "%s" | |
| 1387 | (car (newsticker--cache-get-feed | |
| 1388 | feed-name-symbol))))) | |
| 1389 | (setq pos-text-end (point-marker)))))) | |
| 1390 | (setq format (substring format 2))) | |
| 1391 | ((string= "%s" prefix) | |
| 1392 | ;; statistics | |
| 1393 | (setq pos-stat-start (point-marker)) | |
| 1394 | (if (eq (newsticker--age item) 'feed) | |
| 1395 | (insert (newsticker--buffer-statistics | |
| 1396 | feed-name-symbol))) | |
| 1397 | (setq pos-stat-end (point-marker)) | |
| 1398 | (setq format (substring format 2))) | |
| 1399 | ((string= "%t" prefix) | |
| 1400 | ;; title | |
| 1401 | (when (car item) | |
| 1402 | (setq pos-text-start (point-marker)) | |
| 1403 | (insert (car item)) | |
| 1404 | (setq pos-text-end (point-marker))) | |
| 1405 | (setq format (substring format 2))) | |
| 1406 | ((string-match "%." prefix) | |
| 1407 | ;; unknown specifier! | |
| 1408 | (insert prefix) | |
| 1409 | (setq format (substring format 2))) | |
| 1410 | ((string-match "^\\([^%]*\\)\\(.*\\)" format) ;; FIXME! | |
| 1411 | ;; everything else | |
| 1412 | (let ((p (point))) | |
| 1413 | (insert (substring format | |
| 1414 | (match-beginning 1) (match-end 1))) | |
| 1415 | ;; in case that the format string contained newlines | |
| 1416 | (put-text-property p (point) 'hard t)) | |
| 1417 | (setq format (substring format (match-beginning 2))))))) | |
| 1418 | ||
| 1419 | ;; decode HTML if possible... | |
| 1420 | (let ((is-rendered-HTML nil)) | |
| 1421 | (when (and newsticker-html-renderer pos-text-start pos-text-end) | |
| 1422 | (condition-case error-data | |
| 1423 | (save-excursion | |
| 1424 | ;; check whether it is necessary to call html renderer | |
| 1425 | ;; (regexp inspired by htmlr.el) | |
| 1426 | (goto-char pos-text-start) | |
| 1427 | (when (re-search-forward | |
| 1428 | "</?[A-Za-z1-6]*\\|&#?[A-Za-z0-9]+;" pos-text-end t) | |
| 1429 | ;; (message "%s" (newsticker--title item)) | |
| 1430 | (let ((w3m-fill-column (if newsticker-use-full-width | |
| 1431 | -1 fill-column)) | |
| 1432 | (w3-maximum-line-length | |
| 1433 | (if newsticker-use-full-width nil fill-column))) | |
| 1434 | (save-excursion | |
| 1435 | (funcall newsticker-html-renderer pos-text-start | |
| 1436 | pos-text-end))) | |
| 1437 | (cond ((eq newsticker-html-renderer 'w3m-region) | |
| 1438 | (add-text-properties pos (point-max) | |
| 1439 | (list 'keymap | |
| 1440 | w3m-minor-mode-map))) | |
| 1441 | ((eq newsticker-html-renderer 'w3-region) | |
| 1442 | (add-text-properties pos (point-max) | |
| 1443 | (list 'keymap w3-mode-map)))) | |
| 1444 | (setq is-rendered-HTML t))) | |
| 1445 | (error | |
| 1446 | (message "Error: HTML rendering failed: %s, %s" | |
| 1447 | (car error-data) (cdr error-data))))) | |
| 1448 | ;; After html rendering there might be chunks of blank | |
| 1449 | ;; characters between rendered text and date, statistics or | |
| 1450 | ;; whatever. Remove it | |
| 1451 | (when (and (eq type 'item) is-rendered-HTML) | |
| 1452 | (goto-char pos) | |
| 1453 | (while (re-search-forward "[ \t]*\n[ \t]*" nil t) | |
| 1454 | (replace-match " " nil nil)) | |
| 1455 | (goto-char (point-max))) | |
| 1456 | (when (and newsticker-justification | |
| 1457 | (memq type '(item desc)) | |
| 1458 | (not is-rendered-HTML)) | |
| 1459 | (condition-case nil | |
| 1460 | (let ((use-hard-newlines t)) | |
| 1461 | (fill-region pos (point-max) newsticker-justification)) | |
| 1462 | (error nil)))) | |
| 1463 | ||
| 1464 | ;; remove leading and trailing newlines | |
| 1465 | (goto-char pos) | |
| 1466 | (unless (= 0 (skip-chars-forward " \t\r\n")) | |
| 1467 | (delete-region pos (point))) | |
| 1468 | (goto-char (point-max)) | |
| 1469 | (let ((end (point))) | |
| 1470 | (unless (= 0 (skip-chars-backward " \t\r\n" (1+ pos))) | |
| 1471 | (delete-region (point) end))) | |
| 1472 | (goto-char (point-max)) | |
| 1473 | ;; closing newline | |
| 1474 | (unless nil ;;(eq pos (point)) | |
| 1475 | (insert "\n") | |
| 1476 | (put-text-property (1- (point)) (point) 'hard t)) | |
| 1477 | ||
| 1478 | ;; insert enclosure element | |
| 1479 | (when (eq type 'desc) | |
| 1480 | (setq pos-enclosure-start (point)) | |
| 1481 | (newsticker--insert-enclosure item newsticker--url-keymap) | |
| 1482 | (setq pos-enclosure-end (point))) | |
| 1483 | ||
| 1484 | ;; show extra elements | |
| 1485 | (when (eq type 'desc) | |
| 1486 | (goto-char (point-max)) | |
| 1487 | (setq pos-extra-start (point)) | |
| 1488 | (newsticker--print-extra-elements item newsticker--url-keymap) | |
| 1489 | (setq pos-extra-end (point))) | |
| 1490 | ||
| 1491 | ;; text properties | |
| 1492 | (when (memq type '(feed item)) | |
| 1493 | (add-text-properties pos (1- (point)) | |
| 1494 | (list 'mouse-face 'highlight | |
| 1495 | 'nt-link (newsticker--link item) | |
| 1496 | 'help-echo | |
| 1497 | (format "mouse-2: visit item (%s)" | |
| 1498 | (newsticker--link item)) | |
| 1499 | 'keymap newsticker--url-keymap)) | |
| 1500 | (add-text-properties pos (point) | |
| 1501 | (list 'nt-title (newsticker--title item) | |
| 1502 | 'nt-desc (newsticker--desc item)))) | |
| 1503 | ||
| 1504 | (add-text-properties pos (point) | |
| 1505 | (list 'nt-type type | |
| 1506 | 'nt-face type | |
| 1507 | 'nt-age age | |
| 1508 | 'nt-guid (newsticker--guid item))) | |
| 1509 | (when (and pos-date-start pos-date-end) | |
| 1510 | (put-text-property pos-date-start pos-date-end 'nt-face 'date)) | |
| 1511 | (when (and pos-stat-start pos-stat-end) | |
| 1512 | (put-text-property pos-stat-start pos-stat-end 'nt-face 'stat)) | |
| 1513 | (when (and pos-extra-start pos-extra-end) | |
| 1514 | (put-text-property pos-extra-start pos-extra-end | |
| 1515 | 'nt-face 'extra) | |
| 1516 | (put-text-property pos-extra-start pos-extra-end | |
| 1517 | 'nt-type 'extra)) | |
| 1518 | (when (and pos-enclosure-start pos-enclosure-end | |
| 1519 | (> pos-enclosure-end pos-enclosure-start)) | |
| 1520 | (put-text-property pos-enclosure-start (1- pos-enclosure-end) | |
| 1521 | 'nt-face 'enclosure)) | |
| 1522 | ||
| 1523 | ;; left margin | |
| 1524 | ;;(unless (memq type '(feed item)) | |
| 1525 | ;;(set-left-margin pos (1- (point)) 1)) | |
| 1526 | ||
| 1527 | ;; save rendered stuff | |
| 1528 | (cond ((eq type 'desc) | |
| 1529 | ;; preformatted contents | |
| 1530 | (newsticker--cache-set-preformatted-contents | |
| 1531 | item (buffer-substring pos (point)))) | |
| 1532 | ((eq type 'item) | |
| 1533 | ;; preformatted title | |
| 1534 | (newsticker--cache-set-preformatted-title | |
| 1535 | item (buffer-substring pos (point))))))))) | |
| 1536 | ||
| 1537 | (defun newsticker--buffer-statistics (feed-name-symbol) | |
| 1538 | "Return a statistic string for the feed given by FEED-NAME-SYMBOL. | |
| 1539 | See `newsticker-statistics-format'." | |
| 1540 | (let ((case-fold-search nil)) | |
| 1541 | (replace-regexp-in-string | |
| 1542 | "%a" | |
| 1543 | (format "%d" (newsticker--stat-num-items feed-name-symbol)) | |
| 1544 | (replace-regexp-in-string | |
| 1545 | "%i" | |
| 1546 | (format "%d" (newsticker--stat-num-items feed-name-symbol 'immortal)) | |
| 1547 | (replace-regexp-in-string | |
| 1548 | "%n" | |
| 1549 | (format "%d" (newsticker--stat-num-items feed-name-symbol 'new)) | |
| 1550 | (replace-regexp-in-string | |
| 1551 | "%o" | |
| 1552 | (format "%d" (newsticker--stat-num-items feed-name-symbol 'old)) | |
| 1553 | (replace-regexp-in-string | |
| 1554 | "%O" | |
| 1555 | (format "%d" (newsticker--stat-num-items feed-name-symbol 'obsolete)) | |
| 1556 | newsticker-statistics-format))))))) | |
| 1557 | ||
| 1558 | (defun newsticker--buffer-set-faces (start end) | |
| 1559 | "Add face properties according to mark property. | |
| 1560 | Scans the buffer between START and END." | |
| 1561 | (save-excursion | |
| 1562 | (put-text-property start end 'face 'newsticker-default-face) | |
| 1563 | (goto-char start) | |
| 1564 | (let ((pos1 start) | |
| 1565 | (pos2 1) | |
| 1566 | (nt-face (get-text-property start 'nt-face)) | |
| 1567 | (nt-age (get-text-property start 'nt-age))) | |
| 1568 | (when nt-face | |
| 1569 | (setq pos2 (next-single-property-change (point) 'nt-face)) | |
| 1570 | (newsticker--set-face-properties pos1 pos2 nt-face nt-age) | |
| 1571 | (setq nt-face (get-text-property pos2 'nt-face)) | |
| 1572 | (setq pos1 pos2)) | |
| 1573 | (while (and (setq pos2 (next-single-property-change pos1 'nt-face)) | |
| 1574 | (<= pos2 end) | |
| 1575 | (> pos2 pos1)) | |
| 1576 | (newsticker--set-face-properties pos1 pos2 nt-face nt-age) | |
| 1577 | (setq nt-face (get-text-property pos2 'nt-face)) | |
| 1578 | (setq nt-age (get-text-property pos2 'nt-age)) | |
| 1579 | (setq pos1 pos2))))) | |
| 1580 | ||
| 1581 | (defun newsticker--buffer-set-invisibility (start end) | |
| 1582 | "Add invisibility properties according to nt-type property. | |
| 1583 | Scans the buffer between START and END. Sets the 'invisible | |
| 1584 | property to '(<nt-type>-<nt-age> <nt-type> <nt-age>)." | |
| 1585 | (save-excursion | |
| 1586 | ;; reset invisibility settings | |
| 1587 | (put-text-property start end 'invisible nil) | |
| 1588 | ;; let's go | |
| 1589 | (goto-char start) | |
| 1590 | (let ((pos1 start) | |
| 1591 | (pos2 1) | |
| 1592 | (nt-type (get-text-property start 'nt-type)) | |
| 1593 | (nt-age (get-text-property start 'nt-age))) | |
| 1594 | (when nt-type | |
| 1595 | (setq pos2 (next-single-property-change (point) 'nt-type)) | |
| 1596 | (put-text-property (max (point-min) pos1) (1- pos2) | |
| 1597 | 'invisible | |
| 1598 | (list (intern | |
| 1599 | (concat | |
| 1600 | (symbol-name | |
| 1601 | (if (eq nt-type 'extra) 'desc nt-type)) | |
| 1602 | "-" | |
| 1603 | (symbol-name nt-age))) | |
| 1604 | nt-type | |
| 1605 | nt-age)) | |
| 1606 | (setq nt-type (get-text-property pos2 'nt-type)) | |
| 1607 | (setq pos1 pos2)) | |
| 1608 | (while (and (setq pos2 (next-single-property-change pos1 'nt-type)) | |
| 1609 | (<= pos2 end) | |
| 1610 | (> pos2 pos1)) | |
| 1611 | ;; must shift one char to the left in order to handle inivisible | |
| 1612 | ;; newlines, motion in invisible text areas and all that correctly | |
| 1613 | (put-text-property (1- pos1) (1- pos2) | |
| 1614 | 'invisible | |
| 1615 | (list (intern | |
| 1616 | (concat | |
| 1617 | (symbol-name | |
| 1618 | (if (eq nt-type 'extra) 'desc nt-type)) | |
| 1619 | "-" | |
| 1620 | (symbol-name nt-age))) | |
| 1621 | nt-type | |
| 1622 | nt-age)) | |
| 1623 | (setq nt-type (get-text-property pos2 'nt-type)) | |
| 1624 | (setq nt-age (get-text-property pos2 'nt-age)) | |
| 1625 | (setq pos1 pos2))))) | |
| 1626 | ||
| 1627 | (defun newsticker--set-face-properties (pos1 pos2 nt-face age) | |
| 1628 | "Set the face for the text between the positions POS1 and POS2. | |
| 1629 | The face is chosen according the values of NT-FACE and AGE." | |
| 1630 | (let ((face (cond ((eq nt-face 'feed) | |
| 1631 | 'newsticker-feed-face) | |
| 1632 | ((eq nt-face 'item) | |
| 1633 | (cond ((eq age 'new) | |
| 1634 | 'newsticker-new-item-face) | |
| 1635 | ((eq age 'old) | |
| 1636 | 'newsticker-old-item-face) | |
| 1637 | ((eq age 'immortal) | |
| 1638 | 'newsticker-immortal-item-face) | |
| 1639 | ((eq age 'obsolete) | |
| 1640 | 'newsticker-obsolete-item-face))) | |
| 1641 | ((eq nt-face 'date) | |
| 1642 | 'newsticker-date-face) | |
| 1643 | ((eq nt-face 'stat) | |
| 1644 | 'newsticker-statistics-face) | |
| 1645 | ((eq nt-face 'extra) | |
| 1646 | 'newsticker-extra-face) | |
| 1647 | ((eq nt-face 'enclosure) | |
| 1648 | 'newsticker-enclosure-face)))) | |
| 1649 | (when face | |
| 1650 | (put-text-property pos1 (max pos1 pos2) 'face face)))) | |
| 1651 | ||
| 1652 | ;; ====================================================================== | |
| 1653 | ;;; Functions working on the *newsticker* buffer | |
| 1654 | ;; ====================================================================== | |
| 1655 | (defun newsticker--buffer-make-item-completely-visible () | |
| 1656 | "Scroll buffer until current item is completely visible." | |
| 1657 | (when newsticker--auto-narrow-to-feed | |
| 1658 | (let* ((min (or (save-excursion (newsticker--buffer-beginning-of-feed)) | |
| 1659 | (point-min))) | |
| 1660 | (max (or (save-excursion (newsticker--buffer-end-of-feed)) | |
| 1661 | (point-max)))) | |
| 1662 | (narrow-to-region min max))) | |
| 1663 | (when newsticker--auto-narrow-to-item | |
| 1664 | (let* ((min (or (save-excursion (newsticker--buffer-beginning-of-item)) | |
| 1665 | (point-min))) | |
| 1666 | (max (or (save-excursion (newsticker--buffer-end-of-item)) | |
| 1667 | (point-max)))) | |
| 1668 | (narrow-to-region min max))) | |
| 1669 | (sit-for 0) | |
| 1670 | ;; do not count lines and stuff because that does not work when images | |
| 1671 | ;; are displayed. Do it the simple way: | |
| 1672 | (save-excursion | |
| 1673 | (newsticker--buffer-end-of-item) | |
| 1674 | (unless (pos-visible-in-window-p) | |
| 1675 | (recenter -1))) | |
| 1676 | (unless (pos-visible-in-window-p) | |
| 1677 | (recenter 0))) | |
| 1678 | ||
| 1679 | (defun newsticker--buffer-get-feed-title-at-point () | |
| 1680 | "Return feed symbol of headline at point." | |
| 1681 | (format "%s" (or (get-text-property (point) 'feed) " "))) | |
| 1682 | ||
| 1683 | (defun newsticker--buffer-get-item-title-at-point () | |
| 1684 | "Return feed symbol of headline at point." | |
| 1685 | (format "%s" (or (get-text-property (point) 'nt-title) " "))) | |
| 1686 | ||
| 1687 | (defun newsticker--buffer-goto (types &optional age backwards) | |
| 1688 | "Search next occurrence of TYPES in current buffer. | |
| 1689 | TYPES is a list of symbols. If TYPES is found point is moved, if | |
| 1690 | not point is left unchanged. If optional parameter AGE is not | |
| 1691 | nil, the type AND the age must match. If BACKWARDS is t, search | |
| 1692 | backwards." | |
| 1693 | (let ((pos (save-excursion | |
| 1694 | (save-restriction | |
| 1695 | (widen) | |
| 1696 | (catch 'found | |
| 1697 | (let ((tpos (point))) | |
| 1698 | (while (setq tpos | |
| 1699 | (if backwards | |
| 1700 | (if (eq tpos (point-min)) | |
| 1701 | nil | |
| 1702 | (or (previous-single-property-change | |
| 1703 | tpos 'nt-type) | |
| 1704 | (point-min))) | |
| 1705 | (next-single-property-change | |
| 1706 | tpos 'nt-type))) | |
| 1707 | (and (memq (get-text-property tpos 'nt-type) types) | |
| 1708 | (or (not age) | |
| 1709 | (eq (get-text-property tpos 'nt-age) age)) | |
| 1710 | (throw 'found tpos))))))))) | |
| 1711 | (when pos | |
| 1712 | (goto-char pos)) | |
| 1713 | pos)) | |
| 1714 | ||
| 1715 | (defun newsticker--buffer-hideshow (mark-age onoff) | |
| 1716 | "Hide or show items of type MARK-AGE. | |
| 1717 | If ONOFF is nil the item is hidden, otherwise it is shown." | |
| 1718 | (if onoff | |
| 1719 | (remove-from-invisibility-spec mark-age) | |
| 1720 | (add-to-invisibility-spec mark-age))) | |
| 1721 | ||
| 1722 | (defun newsticker--buffer-beginning-of-item () | |
| 1723 | "Move point to the beginning of the item at point. | |
| 1724 | Return new position." | |
| 1725 | (if (bobp) | |
| 1726 | (point) | |
| 1727 | (let ((type (get-text-property (point) 'nt-type)) | |
| 1728 | (typebefore (get-text-property (1- (point)) 'nt-type))) | |
| 1729 | (if (and (memq type '(item feed)) | |
| 1730 | (not (eq type typebefore))) | |
| 1731 | (point) | |
| 1732 | (newsticker--buffer-goto '(item feed) nil t) | |
| 1733 | (point))))) | |
| 1734 | ||
| 1735 | (defun newsticker--buffer-beginning-of-feed () | |
| 1736 | "Move point to the beginning of the feed at point. | |
| 1737 | Return new position." | |
| 1738 | (if (bobp) | |
| 1739 | (point) | |
| 1740 | (let ((type (get-text-property (point) 'nt-type)) | |
| 1741 | (typebefore (get-text-property (1- (point)) 'nt-type))) | |
| 1742 | (if (and (memq type '(feed)) | |
| 1743 | (not (eq type typebefore))) | |
| 1744 | (point) | |
| 1745 | (newsticker--buffer-goto '(feed) nil t) | |
| 1746 | (point))))) | |
| 1747 | ||
| 1748 | (defun newsticker--buffer-end-of-item () | |
| 1749 | "Move point to the end of the item at point. | |
| 1750 | Take care: end of item is at the end of its last line!" | |
| 1751 | (when (newsticker--buffer-goto '(item feed nil)) | |
| 1752 | (point))) | |
| 1753 | ||
| 1754 | (defun newsticker--buffer-end-of-feed () | |
| 1755 | "Move point to the end of the last item of the feed at point. | |
| 1756 | Take care: end of item is at the end of its last line!" | |
| 1757 | (when (newsticker--buffer-goto '(feed nil)) | |
| 1758 | (backward-char 1) | |
| 1759 | (point))) | |
| 1760 | ||
| 1761 | ;; ====================================================================== | |
| 1762 | ;;; misc | |
| 1763 | ;; ====================================================================== | |
| 1764 | ||
| 1765 | (defun newsticker-mouse-browse-url (event) | |
| 1766 | "Call `browse-url' for the link of the item at which the EVENT occurred." | |
| 1767 | (interactive "e") | |
| 1768 | (save-excursion | |
| 1769 | (switch-to-buffer (window-buffer (posn-window (event-end event)))) | |
| 1770 | (let ((url (get-text-property (posn-point (event-end event)) | |
| 1771 | 'nt-link))) | |
| 1772 | (when url | |
| 1773 | (browse-url url) | |
| 1774 | (save-excursion | |
| 1775 | (goto-char (posn-point (event-end event))) | |
| 1776 | (if newsticker-automatically-mark-visited-items-as-old | |
| 1777 | (newsticker-mark-item-at-point-as-read t))))))) | |
| 1778 | ||
| 1779 | (defun newsticker-browse-url () | |
| 1780 | "Call `browse-url' for the link of the item at point." | |
| 1781 | (interactive) | |
| 1782 | (let ((url (get-text-property (point) 'nt-link))) | |
| 1783 | (when url | |
| 1784 | (browse-url url) | |
| 1785 | (if newsticker-automatically-mark-visited-items-as-old | |
| 1786 | (newsticker-mark-item-at-point-as-read t))))) | |
| 1787 | ||
| 1788 | (defvar newsticker-open-url-history | |
| 1789 | '("wget" "xmms" "realplay") | |
| 1790 | "...") | |
| 1791 | ||
| 1792 | (defun newsticker-handle-url () | |
| 1793 | "Ask for a program to open the link of the item at point." | |
| 1794 | (interactive) | |
| 1795 | (let ((url (get-text-property (point) 'nt-link))) | |
| 1796 | (when url | |
| 1797 | (let ((prog (read-string "Open url with: " nil | |
| 1798 | 'newsticker-open-url-history))) | |
| 1799 | (when prog | |
| 1800 | (message "%s %s" prog url) | |
| 1801 | (start-process prog prog prog url) | |
| 1802 | (if newsticker-automatically-mark-visited-items-as-old | |
| 1803 | (newsticker-mark-item-at-point-as-read t))))))) | |
| 1804 | ||
| 1805 | ||
| 1806 | ;; ====================================================================== | |
| 1807 | ;;; Misc | |
| 1808 | ;; ====================================================================== | |
| 1809 | ||
| 1810 | (defun newsticker--cache-sort () | |
| 1811 | "Sort the newsticker cache data." | |
| 1812 | (let ((sort-fun (cond ((eq newsticker-sort-method 'sort-by-time) | |
| 1813 | 'newsticker--cache-item-compare-by-time) | |
| 1814 | ((eq newsticker-sort-method 'sort-by-title) | |
| 1815 | 'newsticker--cache-item-compare-by-title) | |
| 1816 | ((eq newsticker-sort-method 'sort-by-original-order) | |
| 1817 | 'newsticker--cache-item-compare-by-position)))) | |
| 1818 | (mapc (lambda (feed-list) | |
| 1819 | (setcdr feed-list (sort (cdr feed-list) | |
| 1820 | sort-fun))) | |
| 1821 | newsticker--cache))) | |
| 1822 | ||
| 1823 | (provide 'newsticker-plainview) | |
| 041fa0d4 MB |
1824 | |
| 1825 | ;; arch-tag: 4e48b683-d48b-48dd-a13e-fe45baf41184 | |
| 2415d4c6 | 1826 | ;;; newsticker-plainview.el ends here |