HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 266c63b5 AK |
1 | ;;; eww.el --- Emacs Web Wowser |
| 2 | ||
| 3 | ;; Copyright (C) 2013 Free Software Foundation, Inc. | |
| 4 | ||
| 5 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> | |
| 6 | ;; Keywords: html | |
| 7 | ||
| 8 | ;; This file is part of GNU Emacs. | |
| 9 | ||
| 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
| 11 | ;; it under the terms of the GNU General Public License as published by | |
| 12 | ;; the Free Software Foundation, either version 3 of the License, or | |
| 13 | ;; (at your option) any later version. | |
| 14 | ||
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | ;; GNU General Public License for more details. | |
| 19 | ||
| 20 | ;; You should have received a copy of the GNU General Public License | |
| 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
| 22 | ||
| 23 | ;;; Commentary: | |
| 24 | ||
| 25 | ;;; Code: | |
| 26 | ||
| 27 | (eval-when-compile (require 'cl)) | |
| 7545bd25 | 28 | (require 'format-spec) |
| 266c63b5 AK |
29 | (require 'shr) |
| 30 | (require 'url) | |
| 2644071e | 31 | (require 'mm-url) |
| 266c63b5 | 32 | |
| c74cb344 G |
33 | (defgroup eww nil |
| 34 | "Emacs Web Wowser" | |
| 35 | :version "24.4" | |
| 36 | :group 'hypermedia | |
| 37 | :prefix "eww-") | |
| 38 | ||
| 39 | (defcustom eww-header-line-format "%t: %u" | |
| 40 | "Header line format. | |
| 41 | - %t is replaced by the title. | |
| 42 | - %u is replaced by the URL." | |
| a3ca09b9 IK |
43 | :version "24.4" |
| 44 | :group 'eww | |
| 45 | :type 'string) | |
| 46 | ||
| 47 | (defcustom eww-search-prefix "https://duckduckgo.com/html/?q=" | |
| 48 | "Prefix URL to search engine" | |
| 49 | :version "24.4" | |
| c74cb344 G |
50 | :group 'eww |
| 51 | :type 'string) | |
| 52 | ||
| bfbc93a1 IK |
53 | (defcustom eww-download-path "~/Downloads/" |
| 54 | "Path where files will downloaded." | |
| 55 | :version "24.4" | |
| 56 | :group 'eww | |
| 57 | :type 'string) | |
| 58 | ||
| b2afb3ea RS |
59 | (defcustom eww-use-external-browser-for-content-type |
| 60 | "\\`\\(video/\\|audio/\\|application/ogg\\)" | |
| 61 | "Always use external browser for specified content-type." | |
| 62 | :version "24.4" | |
| 63 | :group 'eww | |
| 64 | :type '(choice (const :tag "Never" nil) | |
| 65 | regexp)) | |
| 66 | ||
| 4570dd16 RS |
67 | (defcustom eww-form-checkbox-selected-symbol "[X]" |
| 68 | "Symbol used to represent a selected checkbox. | |
| 69 | See also `eww-form-checkbox-symbol'." | |
| 70 | :version "24.4" | |
| 71 | :group 'eww | |
| 72 | :type '(choice (const "[X]") | |
| 73 | (const "☒") ; Unicode BALLOT BOX WITH X | |
| 74 | (const "☑") ; Unicode BALLOT BOX WITH CHECK | |
| 75 | string)) | |
| 76 | ||
| 77 | (defcustom eww-form-checkbox-symbol "[ ]" | |
| 78 | "Symbol used to represent a checkbox. | |
| 79 | See also `eww-form-checkbox-selected-symbol'." | |
| 80 | :version "24.4" | |
| 81 | :group 'eww | |
| 82 | :type '(choice (const "[ ]") | |
| 83 | (const "☐") ; Unicode BALLOT BOX | |
| 84 | string)) | |
| 85 | ||
| 970ad972 G |
86 | (defface eww-form-submit |
| 87 | '((((type x w32 ns) (class color)) ; Like default mode line | |
| 88 | :box (:line-width 2 :style released-button) | |
| 89 | :background "#808080" :foreground "black")) | |
| 90 | "Face for eww buffer buttons." | |
| 91 | :version "24.4" | |
| 92 | :group 'eww) | |
| 93 | ||
| 94 | (defface eww-form-checkbox | |
| 95 | '((((type x w32 ns) (class color)) ; Like default mode line | |
| 96 | :box (:line-width 2 :style released-button) | |
| 97 | :background "lightgrey" :foreground "black")) | |
| 98 | "Face for eww buffer buttons." | |
| 99 | :version "24.4" | |
| 100 | :group 'eww) | |
| 101 | ||
| 102 | (defface eww-form-select | |
| be2aa135 LMI |
103 | '((((type x w32 ns) (class color)) ; Like default mode line |
| 104 | :box (:line-width 2 :style released-button) | |
| 105 | :background "lightgrey" :foreground "black")) | |
| 106 | "Face for eww buffer buttons." | |
| 107 | :version "24.4" | |
| 108 | :group 'eww) | |
| 109 | ||
| 970ad972 G |
110 | (defface eww-form-text |
| 111 | '((t (:background "#505050" | |
| 112 | :foreground "white" | |
| 113 | :box (:line-width 1)))) | |
| 114 | "Face for eww text inputs." | |
| 115 | :version "24.4" | |
| 116 | :group 'eww) | |
| 117 | ||
| 266c63b5 | 118 | (defvar eww-current-url nil) |
| ab6dea82 | 119 | (defvar eww-current-dom nil) |
| c74cb344 G |
120 | (defvar eww-current-title "" |
| 121 | "Title of current page.") | |
| 266c63b5 | 122 | (defvar eww-history nil) |
| d3f0f918 | 123 | (defvar eww-history-position 0) |
| 266c63b5 | 124 | |
| 924d6997 G |
125 | (defvar eww-next-url nil) |
| 126 | (defvar eww-previous-url nil) | |
| 127 | (defvar eww-up-url nil) | |
| 970ad972 G |
128 | (defvar eww-home-url nil) |
| 129 | (defvar eww-start-url nil) | |
| 130 | (defvar eww-contents-url nil) | |
| 924d6997 | 131 | |
| 604ede6c TZ |
132 | (defvar eww-local-regex "localhost" |
| 133 | "When this regex is found in the URL, it's not a keyword but an address.") | |
| 134 | ||
| 1af66437 LMI |
135 | (defvar eww-link-keymap |
| 136 | (let ((map (copy-keymap shr-map))) | |
| 137 | (define-key map "\r" 'eww-follow-link) | |
| 138 | map)) | |
| 139 | ||
| d583b36b | 140 | ;;;###autoload |
| 266c63b5 | 141 | (defun eww (url) |
| a3ca09b9 IK |
142 | "Fetch URL and render the page. |
| 143 | If the input doesn't look like an URL or a domain name, the | |
| 144 | word(s) will be searched for via `eww-search-prefix'." | |
| 145 | (interactive "sEnter URL or keywords: ") | |
| 604ede6c TZ |
146 | (cond ((string-match-p "\\`file:" url)) |
| 147 | (t | |
| 148 | (if (and (= (length (split-string url)) 1) | |
| 149 | (or (> (length (split-string url "\\.")) 1) | |
| 150 | (string-match eww-local-regex url))) | |
| 151 | (progn | |
| 152 | (unless (string-match-p "\\`[a-zA-Z][-a-zA-Z0-9+.]*://" url) | |
| 153 | (setq url (concat "http://" url))) | |
| 154 | ;; some site don't redirect final / | |
| 155 | (when (string= (url-filename (url-generic-parse-url url)) "") | |
| 156 | (setq url (concat url "/")))) | |
| 157 | (setq url (concat eww-search-prefix | |
| 158 | (replace-regexp-in-string " " "+" url)))))) | |
| 266c63b5 AK |
159 | (url-retrieve url 'eww-render (list url))) |
| 160 | ||
| 924d6997 G |
161 | ;;;###autoload |
| 162 | (defun eww-open-file (file) | |
| 163 | "Render a file using EWW." | |
| 164 | (interactive "fFile: ") | |
| 165 | (eww (concat "file://" (expand-file-name file)))) | |
| 166 | ||
| 266c63b5 | 167 | (defun eww-render (status url &optional point) |
| c74cb344 G |
168 | (let ((redirect (plist-get status :redirect))) |
| 169 | (when redirect | |
| 170 | (setq url redirect))) | |
| 924d6997 G |
171 | (set (make-local-variable 'eww-next-url) nil) |
| 172 | (set (make-local-variable 'eww-previous-url) nil) | |
| 173 | (set (make-local-variable 'eww-up-url) nil) | |
| 970ad972 G |
174 | (set (make-local-variable 'eww-home-url) nil) |
| 175 | (set (make-local-variable 'eww-start-url) nil) | |
| 176 | (set (make-local-variable 'eww-contents-url) nil) | |
| 266c63b5 AK |
177 | (let* ((headers (eww-parse-headers)) |
| 178 | (content-type | |
| 179 | (mail-header-parse-content-type | |
| 180 | (or (cdr (assoc "content-type" headers)) | |
| 181 | "text/plain"))) | |
| 182 | (charset (intern | |
| 183 | (downcase | |
| 184 | (or (cdr (assq 'charset (cdr content-type))) | |
| d652f4d0 G |
185 | (eww-detect-charset (equal (car content-type) |
| 186 | "text/html")) | |
| 266c63b5 AK |
187 | "utf8")))) |
| 188 | (data-buffer (current-buffer))) | |
| 189 | (unwind-protect | |
| 190 | (progn | |
| 450c7b35 | 191 | (setq eww-current-title "") |
| 266c63b5 | 192 | (cond |
| b2afb3ea RS |
193 | ((and eww-use-external-browser-for-content-type |
| 194 | (string-match-p eww-use-external-browser-for-content-type | |
| 195 | (car content-type))) | |
| 196 | (eww-browse-with-external-browser url)) | |
| 266c63b5 | 197 | ((equal (car content-type) "text/html") |
| 513562a1 | 198 | (eww-display-html charset url nil point)) |
| b2afb3ea | 199 | ((string-match-p "\\`image/" (car content-type)) |
| eff0a2bd LMI |
200 | (eww-display-image url) |
| 201 | (eww-update-header-line-format)) | |
| 266c63b5 | 202 | (t |
| 513562a1 LMI |
203 | (eww-display-raw) |
| 204 | (eww-update-header-line-format))) | |
| 62ad85e6 | 205 | (setq eww-current-url url |
| 513562a1 | 206 | eww-history-position 0)) |
| 266c63b5 AK |
207 | (kill-buffer data-buffer)))) |
| 208 | ||
| 209 | (defun eww-parse-headers () | |
| 210 | (let ((headers nil)) | |
| d652f4d0 | 211 | (goto-char (point-min)) |
| 266c63b5 AK |
212 | (while (and (not (eobp)) |
| 213 | (not (eolp))) | |
| 214 | (when (looking-at "\\([^:]+\\): *\\(.*\\)") | |
| 215 | (push (cons (downcase (match-string 1)) | |
| 216 | (match-string 2)) | |
| 217 | headers)) | |
| 218 | (forward-line 1)) | |
| 219 | (unless (eobp) | |
| 220 | (forward-line 1)) | |
| 221 | headers)) | |
| 222 | ||
| db5a34ca KY |
223 | (defun eww-detect-charset (html-p) |
| 224 | (let ((case-fold-search t) | |
| 225 | (pt (point))) | |
| 226 | (or (and html-p | |
| 227 | (re-search-forward | |
| b89fc156 | 228 | "<meta[\t\n\r ]+[^>]*charset=\"?\\([^\t\n\r \"/>]+\\)[\\\"'.*]" nil t) |
| db5a34ca KY |
229 | (goto-char pt) |
| 230 | (match-string 1)) | |
| 231 | (and (looking-at | |
| 232 | "[\t\n\r ]*<\\?xml[\t\n\r ]+[^>]*encoding=\"\\([^\"]+\\)") | |
| 233 | (match-string 1))))) | |
| 234 | ||
| 5148da15 GM |
235 | (declare-function libxml-parse-html-region "xml.c" |
| 236 | (start end &optional base-url)) | |
| 237 | ||
| 513562a1 | 238 | (defun eww-display-html (charset url &optional document point) |
| 5148da15 GM |
239 | (or (fboundp 'libxml-parse-html-region) |
| 240 | (error "This function requires Emacs to be compiled with libxml2")) | |
| 266c63b5 | 241 | (unless (eq charset 'utf8) |
| 3e41a054 LMI |
242 | (condition-case nil |
| 243 | (decode-coding-region (point) (point-max) charset) | |
| 244 | (coding-system-error nil))) | |
| 266c63b5 | 245 | (let ((document |
| 513562a1 LMI |
246 | (or document |
| 247 | (list | |
| 248 | 'base (list (cons 'href url)) | |
| 249 | (libxml-parse-html-region (point) (point-max)))))) | |
| 266c63b5 | 250 | (eww-setup-buffer) |
| ab6dea82 | 251 | (setq eww-current-dom document) |
| 2644071e | 252 | (let ((inhibit-read-only t) |
| 970ad972 | 253 | (after-change-functions nil) |
| c74cb344 | 254 | (shr-width nil) |
| 513562a1 | 255 | (shr-target-id (url-target (url-generic-parse-url url))) |
| 2644071e | 256 | (shr-external-rendering-functions |
| c74cb344 G |
257 | '((title . eww-tag-title) |
| 258 | (form . eww-tag-form) | |
| 2644071e | 259 | (input . eww-tag-input) |
| c74cb344 G |
260 | (textarea . eww-tag-textarea) |
| 261 | (body . eww-tag-body) | |
| 924d6997 G |
262 | (select . eww-tag-select) |
| 263 | (link . eww-tag-link) | |
| 264 | (a . eww-tag-a)))) | |
| 513562a1 LMI |
265 | (shr-insert-document document) |
| 266 | (cond | |
| 267 | (point | |
| 268 | (goto-char point)) | |
| 269 | (shr-target-id | |
| 270 | (let ((point (next-single-property-change | |
| 271 | (point-min) 'shr-target-id))) | |
| 272 | (when point | |
| 273 | (goto-char (1+ point))))) | |
| 274 | (t | |
| 275 | (goto-char (point-min))))) | |
| 276 | (setq eww-current-url url | |
| 277 | eww-history-position 0) | |
| 278 | (eww-update-header-line-format))) | |
| 266c63b5 | 279 | |
| 924d6997 G |
280 | (defun eww-handle-link (cont) |
| 281 | (let* ((rel (assq :rel cont)) | |
| 282 | (href (assq :href cont)) | |
| 970ad972 G |
283 | (where (assoc |
| 284 | ;; The text associated with :rel is case-insensitive. | |
| 285 | (if rel (downcase (cdr rel))) | |
| 924d6997 | 286 | '(("next" . eww-next-url) |
| 970ad972 G |
287 | ;; Texinfo uses "previous", but HTML specifies |
| 288 | ;; "prev", so recognize both. | |
| 924d6997 | 289 | ("previous" . eww-previous-url) |
| 970ad972 G |
290 | ("prev" . eww-previous-url) |
| 291 | ;; HTML specifies "start" but also "contents", | |
| 292 | ;; and Gtk seems to use "home". Recognize | |
| 293 | ;; them all; but store them in different | |
| 294 | ;; variables so that we can readily choose the | |
| 295 | ;; "best" one. | |
| 296 | ("start" . eww-start-url) | |
| 297 | ("home" . eww-home-url) | |
| 298 | ("contents" . eww-contents-url) | |
| 924d6997 G |
299 | ("up" . eww-up-url))))) |
| 300 | (and href | |
| 301 | where | |
| 302 | (set (cdr where) (cdr href))))) | |
| 303 | ||
| 304 | (defun eww-tag-link (cont) | |
| 305 | (eww-handle-link cont) | |
| 306 | (shr-generic cont)) | |
| 307 | ||
| 308 | (defun eww-tag-a (cont) | |
| 309 | (eww-handle-link cont) | |
| 513562a1 LMI |
310 | (let ((start (point))) |
| 311 | (shr-tag-a cont) | |
| 312 | (put-text-property start (point) 'keymap eww-link-keymap))) | |
| 924d6997 | 313 | |
| c74cb344 G |
314 | (defun eww-update-header-line-format () |
| 315 | (if eww-header-line-format | |
| d80a808f LMI |
316 | (setq header-line-format |
| 317 | (replace-regexp-in-string | |
| 318 | "%" "%%" | |
| 62ad85e6 GM |
319 | ;; FIXME? Title can be blank. Default to, eg, last component |
| 320 | ;; of url? | |
| d80a808f LMI |
321 | (format-spec eww-header-line-format |
| 322 | `((?u . ,eww-current-url) | |
| 323 | (?t . ,eww-current-title))))) | |
| c74cb344 G |
324 | (setq header-line-format nil))) |
| 325 | ||
| 326 | (defun eww-tag-title (cont) | |
| 327 | (setq eww-current-title "") | |
| 328 | (dolist (sub cont) | |
| 329 | (when (eq (car sub) 'text) | |
| 330 | (setq eww-current-title (concat eww-current-title (cdr sub))))) | |
| 331 | (eww-update-header-line-format)) | |
| 332 | ||
| 333 | (defun eww-tag-body (cont) | |
| 334 | (let* ((start (point)) | |
| 335 | (fgcolor (cdr (or (assq :fgcolor cont) | |
| 336 | (assq :text cont)))) | |
| 337 | (bgcolor (cdr (assq :bgcolor cont))) | |
| 338 | (shr-stylesheet (list (cons 'color fgcolor) | |
| 339 | (cons 'background-color bgcolor)))) | |
| 340 | (shr-generic cont) | |
| 341 | (eww-colorize-region start (point) fgcolor bgcolor))) | |
| 342 | ||
| 343 | (defun eww-colorize-region (start end fg &optional bg) | |
| 344 | (when (or fg bg) | |
| 345 | (let ((new-colors (shr-color-check fg bg))) | |
| 346 | (when new-colors | |
| 347 | (when fg | |
| 544d4594 | 348 | (add-face-text-property start end |
| 970ad972 G |
349 | (list :foreground (cadr new-colors)) |
| 350 | t)) | |
| c74cb344 | 351 | (when bg |
| 544d4594 | 352 | (add-face-text-property start end |
| 970ad972 G |
353 | (list :background (car new-colors)) |
| 354 | t)))))) | |
| c74cb344 | 355 | |
| fde38d49 | 356 | (defun eww-display-raw () |
| 266c63b5 AK |
357 | (let ((data (buffer-substring (point) (point-max)))) |
| 358 | (eww-setup-buffer) | |
| 359 | (let ((inhibit-read-only t)) | |
| 360 | (insert data)) | |
| 361 | (goto-char (point-min)))) | |
| 362 | ||
| 363 | (defun eww-display-image () | |
| 21c58ae2 | 364 | (let ((data (shr-parse-image-data))) |
| 266c63b5 AK |
365 | (eww-setup-buffer) |
| 366 | (let ((inhibit-read-only t)) | |
| 367 | (shr-put-image data nil)) | |
| 368 | (goto-char (point-min)))) | |
| 369 | ||
| 370 | (defun eww-setup-buffer () | |
| 997798bf | 371 | (switch-to-buffer (get-buffer-create "*eww*")) |
| 266c63b5 | 372 | (let ((inhibit-read-only t)) |
| 8308f184 | 373 | (remove-overlays) |
| 266c63b5 | 374 | (erase-buffer)) |
| 8308f184 LMI |
375 | (unless (eq major-mode 'eww-mode) |
| 376 | (eww-mode))) | |
| 266c63b5 AK |
377 | |
| 378 | (defvar eww-mode-map | |
| 379 | (let ((map (make-sparse-keymap))) | |
| 380 | (suppress-keymap map) | |
| 1f6e1bb0 | 381 | (define-key map "q" 'quit-window) |
| f22255bd | 382 | (define-key map "g" 'eww-reload) |
| 7304e4dd LMI |
383 | (define-key map [tab] 'shr-next-link) |
| 384 | (define-key map [backtab] 'shr-previous-link) | |
| 266c63b5 AK |
385 | (define-key map [delete] 'scroll-down-command) |
| 386 | (define-key map "\177" 'scroll-down-command) | |
| 387 | (define-key map " " 'scroll-up-command) | |
| 924d6997 | 388 | (define-key map "l" 'eww-back-url) |
| d3f0f918 | 389 | (define-key map "f" 'eww-forward-url) |
| 924d6997 | 390 | (define-key map "n" 'eww-next-url) |
| 266c63b5 | 391 | (define-key map "p" 'eww-previous-url) |
| 924d6997 G |
392 | (define-key map "u" 'eww-up-url) |
| 393 | (define-key map "t" 'eww-top-url) | |
| 16f74f10 | 394 | (define-key map "&" 'eww-browse-with-external-browser) |
| bfbc93a1 | 395 | (define-key map "d" 'eww-download) |
| 16f74f10 | 396 | (define-key map "w" 'eww-copy-page-url) |
| 23a75d7f LMI |
397 | (define-key map "C" 'url-cookie-list) |
| 398 | ||
| 2b4f0506 LMI |
399 | (define-key map "b" 'eww-add-bookmark) |
| 400 | (define-key map "B" 'eww-list-bookmarks) | |
| 401 | (define-key map [(meta n)] 'eww-next-bookmark) | |
| 402 | (define-key map [(meta p)] 'eww-previous-bookmark) | |
| 403 | ||
| 23a75d7f | 404 | (easy-menu-define nil map "" |
| 6ee877c7 | 405 | '("Eww" |
| 23a75d7f LMI |
406 | ["Quit" eww-quit t] |
| 407 | ["Reload" eww-reload t] | |
| 408 | ["Back to previous page" eww-back-url | |
| 409 | :active (not (zerop (length eww-history)))] | |
| 410 | ["Forward to next page" eww-forward-url | |
| 411 | :active (not (zerop eww-history-position))] | |
| 412 | ["Browse with external browser" eww-browse-with-external-browser t] | |
| 413 | ["Download" eww-download t] | |
| 414 | ["Copy page URL" eww-copy-page-url t] | |
| 2b4f0506 LMI |
415 | ["Add bookmark" eww-add-bookmark t] |
| 416 | ["List bookmarks" eww-copy-page-url t] | |
| 23a75d7f | 417 | ["List cookies" url-cookie-list t])) |
| 266c63b5 AK |
418 | map)) |
| 419 | ||
| d652f4d0 | 420 | (define-derived-mode eww-mode nil "eww" |
| 266c63b5 AK |
421 | "Mode for browsing the web. |
| 422 | ||
| 423 | \\{eww-mode-map}" | |
| 62ad85e6 | 424 | ;; FIXME? This seems a strange default. |
| 266c63b5 | 425 | (set (make-local-variable 'eww-current-url) 'author) |
| ab6dea82 | 426 | (set (make-local-variable 'eww-current-dom) nil) |
| 970ad972 G |
427 | (set (make-local-variable 'browse-url-browser-function) 'eww-browse-url) |
| 428 | (set (make-local-variable 'after-change-functions) 'eww-process-text-input) | |
| 8308f184 LMI |
429 | (set (make-local-variable 'eww-history) nil) |
| 430 | (set (make-local-variable 'eww-history-position) 0) | |
| 843571cb | 431 | (buffer-disable-undo) |
| 970ad972 G |
432 | ;;(setq buffer-read-only t) |
| 433 | ) | |
| 266c63b5 | 434 | |
| d3f0f918 | 435 | (defun eww-save-history () |
| 8308f184 | 436 | (push (list :url eww-current-url |
| 2b4f0506 | 437 | :title eww-current-title |
| 8308f184 | 438 | :point (point) |
| ab6dea82 | 439 | :dom eww-current-dom |
| 8308f184 LMI |
440 | :text (buffer-string)) |
| 441 | eww-history)) | |
| d3f0f918 | 442 | |
| 75dbaf9d | 443 | ;;;###autoload |
| 6c42fc3e | 444 | (defun eww-browse-url (url &optional _new-window) |
| 970ad972 G |
445 | (when (and (equal major-mode 'eww-mode) |
| 446 | eww-current-url) | |
| d3f0f918 | 447 | (eww-save-history)) |
| 5c3087e9 | 448 | (eww url)) |
| 266c63b5 | 449 | |
| 924d6997 | 450 | (defun eww-back-url () |
| 266c63b5 AK |
451 | "Go to the previously displayed page." |
| 452 | (interactive) | |
| d3f0f918 | 453 | (when (>= eww-history-position (length eww-history)) |
| 266c63b5 | 454 | (error "No previous page")) |
| 8308f184 LMI |
455 | (eww-save-history) |
| 456 | (setq eww-history-position (+ eww-history-position 2)) | |
| 457 | (eww-restore-history (elt eww-history (1- eww-history-position)))) | |
| d3f0f918 LMI |
458 | |
| 459 | (defun eww-forward-url () | |
| 460 | "Go to the next displayed page." | |
| 461 | (interactive) | |
| 462 | (when (zerop eww-history-position) | |
| 463 | (error "No next page")) | |
| 8308f184 LMI |
464 | (eww-save-history) |
| 465 | (eww-restore-history (elt eww-history (1- eww-history-position)))) | |
| d3f0f918 LMI |
466 | |
| 467 | (defun eww-restore-history (elem) | |
| 468 | (let ((inhibit-read-only t)) | |
| e82b0991 | 469 | (erase-buffer) |
| d3f0f918 | 470 | (insert (plist-get elem :text)) |
| ab6dea82 | 471 | (setq eww-current-dom (plist-get elem :dom)) |
| d3f0f918 | 472 | (goto-char (plist-get elem :point)) |
| 2b4f0506 | 473 | (setq eww-current-url (plist-get elem :url) |
| 3e9876de LMI |
474 | eww-current-title (plist-get elem :title)) |
| 475 | (eww-update-header-line-format))) | |
| 266c63b5 | 476 | |
| 924d6997 G |
477 | (defun eww-next-url () |
| 478 | "Go to the page marked `next'. | |
| 479 | A page is marked `next' if rel=\"next\" appears in a <link> | |
| 480 | or <a> tag." | |
| 481 | (interactive) | |
| 482 | (if eww-next-url | |
| 483 | (eww-browse-url (shr-expand-url eww-next-url eww-current-url)) | |
| 484 | (error "No `next' on this page"))) | |
| 485 | ||
| 486 | (defun eww-previous-url () | |
| 487 | "Go to the page marked `previous'. | |
| 488 | A page is marked `previous' if rel=\"previous\" appears in a <link> | |
| 489 | or <a> tag." | |
| 490 | (interactive) | |
| 491 | (if eww-previous-url | |
| 492 | (eww-browse-url (shr-expand-url eww-previous-url eww-current-url)) | |
| 493 | (error "No `previous' on this page"))) | |
| 494 | ||
| 495 | (defun eww-up-url () | |
| 496 | "Go to the page marked `up'. | |
| 497 | A page is marked `up' if rel=\"up\" appears in a <link> | |
| 498 | or <a> tag." | |
| 499 | (interactive) | |
| 500 | (if eww-up-url | |
| 501 | (eww-browse-url (shr-expand-url eww-up-url eww-current-url)) | |
| 502 | (error "No `up' on this page"))) | |
| 503 | ||
| 504 | (defun eww-top-url () | |
| 505 | "Go to the page marked `top'. | |
| 970ad972 G |
506 | A page is marked `top' if rel=\"start\", rel=\"home\", or rel=\"contents\" |
| 507 | appears in a <link> or <a> tag." | |
| 924d6997 | 508 | (interactive) |
| 970ad972 G |
509 | (let ((best-url (or eww-start-url |
| 510 | eww-contents-url | |
| 511 | eww-home-url))) | |
| 512 | (if best-url | |
| 513 | (eww-browse-url (shr-expand-url best-url eww-current-url)) | |
| 514 | (error "No `top' for this page")))) | |
| 924d6997 | 515 | |
| f22255bd LMI |
516 | (defun eww-reload () |
| 517 | "Reload the current page." | |
| 518 | (interactive) | |
| 519 | (url-retrieve eww-current-url 'eww-render | |
| 520 | (list eww-current-url (point)))) | |
| 521 | ||
| 2644071e LMI |
522 | ;; Form support. |
| 523 | ||
| 524 | (defvar eww-form nil) | |
| 525 | ||
| 970ad972 G |
526 | (defvar eww-submit-map |
| 527 | (let ((map (make-sparse-keymap))) | |
| 528 | (define-key map "\r" 'eww-submit) | |
| e854cfc7 | 529 | (define-key map [(control c) (control c)] 'eww-submit) |
| 970ad972 G |
530 | map)) |
| 531 | ||
| 532 | (defvar eww-checkbox-map | |
| 533 | (let ((map (make-sparse-keymap))) | |
| 534 | (define-key map [space] 'eww-toggle-checkbox) | |
| 535 | (define-key map "\r" 'eww-toggle-checkbox) | |
| e854cfc7 | 536 | (define-key map [(control c) (control c)] 'eww-submit) |
| 970ad972 G |
537 | map)) |
| 538 | ||
| 539 | (defvar eww-text-map | |
| 540 | (let ((map (make-keymap))) | |
| 541 | (set-keymap-parent map text-mode-map) | |
| 542 | (define-key map "\r" 'eww-submit) | |
| 543 | (define-key map [(control a)] 'eww-beginning-of-text) | |
| e854cfc7 | 544 | (define-key map [(control c) (control c)] 'eww-submit) |
| 970ad972 G |
545 | (define-key map [(control e)] 'eww-end-of-text) |
| 546 | (define-key map [tab] 'shr-next-link) | |
| 547 | (define-key map [backtab] 'shr-previous-link) | |
| 548 | map)) | |
| 549 | ||
| 550 | (defvar eww-textarea-map | |
| 551 | (let ((map (make-keymap))) | |
| 552 | (set-keymap-parent map text-mode-map) | |
| 553 | (define-key map "\r" 'forward-line) | |
| e854cfc7 | 554 | (define-key map [(control c) (control c)] 'eww-submit) |
| 970ad972 G |
555 | (define-key map [tab] 'shr-next-link) |
| 556 | (define-key map [backtab] 'shr-previous-link) | |
| 557 | map)) | |
| 558 | ||
| 559 | (defvar eww-select-map | |
| 560 | (let ((map (make-sparse-keymap))) | |
| 561 | (define-key map "\r" 'eww-change-select) | |
| e854cfc7 | 562 | (define-key map [(control c) (control c)] 'eww-submit) |
| 970ad972 G |
563 | map)) |
| 564 | ||
| 565 | (defun eww-beginning-of-text () | |
| 566 | "Move to the start of the input field." | |
| 567 | (interactive) | |
| 568 | (goto-char (eww-beginning-of-field))) | |
| 569 | ||
| 570 | (defun eww-end-of-text () | |
| 571 | "Move to the end of the text in the input field." | |
| 572 | (interactive) | |
| 573 | (goto-char (eww-end-of-field)) | |
| 574 | (let ((start (eww-beginning-of-field))) | |
| 575 | (while (and (equal (following-char) ? ) | |
| 576 | (> (point) start)) | |
| 577 | (forward-char -1)) | |
| 578 | (when (> (point) start) | |
| 579 | (forward-char 1)))) | |
| 580 | ||
| 581 | (defun eww-beginning-of-field () | |
| 582 | (cond | |
| 583 | ((bobp) | |
| 584 | (point)) | |
| 585 | ((not (eq (get-text-property (point) 'eww-form) | |
| 586 | (get-text-property (1- (point)) 'eww-form))) | |
| 587 | (point)) | |
| 588 | (t | |
| 589 | (previous-single-property-change | |
| 590 | (point) 'eww-form nil (point-min))))) | |
| 591 | ||
| 592 | (defun eww-end-of-field () | |
| 593 | (1- (next-single-property-change | |
| 594 | (point) 'eww-form nil (point-max)))) | |
| 595 | ||
| 2644071e LMI |
596 | (defun eww-tag-form (cont) |
| 597 | (let ((eww-form | |
| 598 | (list (assq :method cont) | |
| 599 | (assq :action cont))) | |
| 600 | (start (point))) | |
| 601 | (shr-ensure-paragraph) | |
| 602 | (shr-generic cont) | |
| 3d95242e LMI |
603 | (unless (bolp) |
| 604 | (insert "\n")) | |
| 605 | (insert "\n") | |
| 001b9fbe LMI |
606 | (when (> (point) start) |
| 607 | (put-text-property start (1+ start) | |
| 608 | 'eww-form eww-form)))) | |
| 2644071e | 609 | |
| 970ad972 G |
610 | (defun eww-form-submit (cont) |
| 611 | (let ((start (point)) | |
| 612 | (value (cdr (assq :value cont)))) | |
| 613 | (setq value | |
| 614 | (if (zerop (length value)) | |
| 615 | "Submit" | |
| 616 | value)) | |
| 617 | (insert value) | |
| 618 | (add-face-text-property start (point) 'eww-form-submit) | |
| 619 | (put-text-property start (point) 'eww-form | |
| 620 | (list :eww-form eww-form | |
| 621 | :value value | |
| 622 | :type "submit" | |
| 623 | :name (cdr (assq :name cont)))) | |
| 624 | (put-text-property start (point) 'keymap eww-submit-map) | |
| 625 | (insert " "))) | |
| 626 | ||
| 627 | (defun eww-form-checkbox (cont) | |
| 628 | (let ((start (point))) | |
| 629 | (if (cdr (assq :checked cont)) | |
| 4570dd16 RS |
630 | (insert eww-form-checkbox-selected-symbol) |
| 631 | (insert eww-form-checkbox-symbol)) | |
| 970ad972 G |
632 | (add-face-text-property start (point) 'eww-form-checkbox) |
| 633 | (put-text-property start (point) 'eww-form | |
| 634 | (list :eww-form eww-form | |
| 635 | :value (cdr (assq :value cont)) | |
| 636 | :type (downcase (cdr (assq :type cont))) | |
| 637 | :checked (cdr (assq :checked cont)) | |
| 638 | :name (cdr (assq :name cont)))) | |
| 639 | (put-text-property start (point) 'keymap eww-checkbox-map) | |
| 640 | (insert " "))) | |
| 641 | ||
| 642 | (defun eww-form-text (cont) | |
| 643 | (let ((start (point)) | |
| 644 | (type (downcase (or (cdr (assq :type cont)) | |
| 645 | "text"))) | |
| 646 | (value (or (cdr (assq :value cont)) "")) | |
| 647 | (width (string-to-number | |
| 648 | (or (cdr (assq :size cont)) | |
| 649 | "40")))) | |
| 650 | (insert value) | |
| 651 | (when (< (length value) width) | |
| 652 | (insert (make-string (- width (length value)) ? ))) | |
| 653 | (put-text-property start (point) 'face 'eww-form-text) | |
| 654 | (put-text-property start (point) 'local-map eww-text-map) | |
| 655 | (put-text-property start (point) 'inhibit-read-only t) | |
| 656 | (put-text-property start (point) 'eww-form | |
| 657 | (list :eww-form eww-form | |
| 658 | :value value | |
| 659 | :type type | |
| 660 | :name (cdr (assq :name cont)))) | |
| 661 | (insert " "))) | |
| 662 | ||
| 10240949 RS |
663 | (defconst eww-text-input-types '("text" "password" "textarea" |
| 664 | "color" "date" "datetime" "datetime-local" | |
| 665 | "email" "month" "number" "search" "tel" | |
| 666 | "time" "url" "week") | |
| 667 | "List of input types which represent a text input. | |
| 668 | See URL `https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Input'.") | |
| 669 | ||
| 970ad972 | 670 | (defun eww-process-text-input (beg end length) |
| dfbc66e3 | 671 | (let* ((form (get-text-property (min (1+ end) (point-max)) 'eww-form)) |
| 970ad972 G |
672 | (properties (text-properties-at end)) |
| 673 | (type (plist-get form :type))) | |
| 674 | (when (and form | |
| 10240949 | 675 | (member type eww-text-input-types)) |
| 970ad972 G |
676 | (cond |
| 677 | ((zerop length) | |
| 678 | ;; Delete some space at the end. | |
| 679 | (save-excursion | |
| 680 | (goto-char | |
| 681 | (if (equal type "textarea") | |
| 682 | (1- (line-end-position)) | |
| 683 | (eww-end-of-field))) | |
| 684 | (let ((new (- end beg))) | |
| 685 | (while (and (> new 0) | |
| 686 | (eql (following-char) ? )) | |
| 687 | (delete-region (point) (1+ (point))) | |
| 688 | (setq new (1- new)))) | |
| 689 | (set-text-properties beg end properties))) | |
| 690 | ((> length 0) | |
| 691 | ;; Add padding. | |
| 692 | (save-excursion | |
| 693 | (goto-char | |
| 694 | (if (equal type "textarea") | |
| 695 | (1- (line-end-position)) | |
| 696 | (eww-end-of-field))) | |
| 697 | (let ((start (point))) | |
| 698 | (insert (make-string length ? )) | |
| 699 | (set-text-properties start (point) properties))))) | |
| 700 | (let ((value (buffer-substring-no-properties | |
| 701 | (eww-beginning-of-field) | |
| 702 | (eww-end-of-field)))) | |
| 703 | (when (string-match " +\\'" value) | |
| 704 | (setq value (substring value 0 (match-beginning 0)))) | |
| 705 | (plist-put form :value value) | |
| 706 | (when (equal type "password") | |
| 707 | ;; Display passwords as asterisks. | |
| 708 | (let ((start (eww-beginning-of-field))) | |
| 709 | (put-text-property start (+ start (length value)) | |
| 710 | 'display (make-string (length value) ?*)))))))) | |
| 9ddf23f0 | 711 | |
| c74cb344 | 712 | (defun eww-tag-textarea (cont) |
| 970ad972 G |
713 | (let ((start (point)) |
| 714 | (value (or (cdr (assq :value cont)) "")) | |
| 715 | (lines (string-to-number | |
| 716 | (or (cdr (assq :rows cont)) | |
| 717 | "10"))) | |
| 718 | (width (string-to-number | |
| 719 | (or (cdr (assq :cols cont)) | |
| 720 | "10"))) | |
| 721 | end) | |
| 722 | (shr-ensure-newline) | |
| 723 | (insert value) | |
| 724 | (shr-ensure-newline) | |
| 725 | (when (< (count-lines start (point)) lines) | |
| 726 | (dotimes (i (- lines (count-lines start (point)))) | |
| 727 | (insert "\n"))) | |
| 728 | (setq end (point-marker)) | |
| 729 | (goto-char start) | |
| 730 | (while (< (point) end) | |
| 731 | (end-of-line) | |
| 732 | (let ((pad (- width (- (point) (line-beginning-position))))) | |
| 733 | (when (> pad 0) | |
| 734 | (insert (make-string pad ? )))) | |
| 735 | (add-face-text-property (line-beginning-position) | |
| 736 | (point) 'eww-form-text) | |
| 737 | (put-text-property (line-beginning-position) (point) | |
| 738 | 'local-map eww-textarea-map) | |
| 739 | (forward-line 1)) | |
| 740 | (put-text-property start (point) 'eww-form | |
| 741 | (list :eww-form eww-form | |
| 742 | :value value | |
| 743 | :type "textarea" | |
| 744 | :name (cdr (assq :name cont)))))) | |
| 745 | ||
| 746 | (defun eww-tag-input (cont) | |
| 747 | (let ((type (downcase (or (cdr (assq :type cont)) | |
| 748 | "text"))) | |
| 749 | (start (point))) | |
| 750 | (cond | |
| 751 | ((or (equal type "checkbox") | |
| 752 | (equal type "radio")) | |
| 753 | (eww-form-checkbox cont)) | |
| 754 | ((equal type "submit") | |
| 755 | (eww-form-submit cont)) | |
| 756 | ((equal type "hidden") | |
| 757 | (let ((form eww-form) | |
| 758 | (name (cdr (assq :name cont)))) | |
| 759 | ;; Don't add <input type=hidden> elements repeatedly. | |
| 760 | (while (and form | |
| 761 | (or (not (consp (car form))) | |
| 762 | (not (eq (caar form) 'hidden)) | |
| 763 | (not (equal (plist-get (cdr (car form)) :name) | |
| 764 | name)))) | |
| 765 | (setq form (cdr form))) | |
| 766 | (unless form | |
| 767 | (nconc eww-form (list | |
| 768 | (list 'hidden | |
| 769 | :name name | |
| 770 | :value (cdr (assq :value cont)))))))) | |
| 771 | (t | |
| 772 | (eww-form-text cont))) | |
| 773 | (unless (= start (point)) | |
| 774 | (put-text-property start (1+ start) 'help-echo "Input field")))) | |
| c74cb344 | 775 | |
| 9ddf23f0 LMI |
776 | (defun eww-tag-select (cont) |
| 777 | (shr-ensure-paragraph) | |
| 970ad972 | 778 | (let ((menu (list :name (cdr (assq :name cont)) |
| 9ddf23f0 LMI |
779 | :eww-form eww-form)) |
| 780 | (options nil) | |
| 970ad972 | 781 | (start (point)) |
| 9dd99753 KN |
782 | (max 0) |
| 783 | opelem) | |
| 784 | (if (eq (car (car cont)) 'optgroup) | |
| 785 | (dolist (groupelem cont) | |
| 786 | (unless (cdr (assq :disabled (cdr groupelem))) | |
| 787 | (setq opelem (append opelem (cdr (cdr groupelem)))))) | |
| 788 | (setq opelem cont)) | |
| 789 | (dolist (elem opelem) | |
| 9ddf23f0 LMI |
790 | (when (eq (car elem) 'option) |
| 791 | (when (cdr (assq :selected (cdr elem))) | |
| 792 | (nconc menu (list :value | |
| 793 | (cdr (assq :value (cdr elem)))))) | |
| 970ad972 G |
794 | (let ((display (or (cdr (assq 'text (cdr elem))) ""))) |
| 795 | (setq max (max max (length display))) | |
| 796 | (push (list 'item | |
| 797 | :value (cdr (assq :value (cdr elem))) | |
| 798 | :display display) | |
| 799 | options)))) | |
| be2aa135 | 800 | (when options |
| 970ad972 | 801 | (setq options (nreverse options)) |
| be2aa135 | 802 | ;; If we have no selected values, default to the first value. |
| 970ad972 | 803 | (unless (plist-get menu :value) |
| be2aa135 LMI |
804 | (nconc menu (list :value (nth 2 (car options))))) |
| 805 | (nconc menu options) | |
| 970ad972 G |
806 | (let ((selected (eww-select-display menu))) |
| 807 | (insert selected | |
| 808 | (make-string (- max (length selected)) ? ))) | |
| 809 | (put-text-property start (point) 'eww-form menu) | |
| 810 | (add-face-text-property start (point) 'eww-form-select) | |
| 811 | (put-text-property start (point) 'keymap eww-select-map) | |
| be2aa135 | 812 | (shr-ensure-paragraph)))) |
| 2644071e | 813 | |
| 970ad972 G |
814 | (defun eww-select-display (select) |
| 815 | (let ((value (plist-get select :value)) | |
| 816 | display) | |
| 817 | (dolist (elem select) | |
| 818 | (when (and (consp elem) | |
| 819 | (eq (car elem) 'item) | |
| 820 | (equal value (plist-get (cdr elem) :value))) | |
| 821 | (setq display (plist-get (cdr elem) :display)))) | |
| 822 | display)) | |
| 823 | ||
| 824 | (defun eww-change-select () | |
| 825 | "Change the value of the select drop-down menu under point." | |
| 826 | (interactive) | |
| 827 | (let* ((input (get-text-property (point) 'eww-form)) | |
| 970ad972 G |
828 | (completion-ignore-case t) |
| 829 | (options | |
| 830 | (delq nil | |
| 831 | (mapcar (lambda (elem) | |
| 832 | (and (consp elem) | |
| 833 | (eq (car elem) 'item) | |
| 834 | (cons (plist-get (cdr elem) :display) | |
| 835 | (plist-get (cdr elem) :value)))) | |
| 836 | input))) | |
| 837 | (display | |
| 838 | (completing-read "Change value: " options nil 'require-match)) | |
| 839 | (inhibit-read-only t)) | |
| 840 | (plist-put input :value (cdr (assoc-string display options t))) | |
| 841 | (goto-char | |
| 842 | (eww-update-field display)))) | |
| 843 | ||
| 844 | (defun eww-update-field (string) | |
| 845 | (let ((properties (text-properties-at (point))) | |
| 846 | (start (eww-beginning-of-field)) | |
| 847 | (end (1+ (eww-end-of-field)))) | |
| 848 | (delete-region start end) | |
| 849 | (insert string | |
| 850 | (make-string (- (- end start) (length string)) ? )) | |
| 851 | (set-text-properties start end properties) | |
| 852 | start)) | |
| 853 | ||
| 854 | (defun eww-toggle-checkbox () | |
| 855 | "Toggle the value of the checkbox under point." | |
| 856 | (interactive) | |
| 857 | (let* ((input (get-text-property (point) 'eww-form)) | |
| 858 | (type (plist-get input :type))) | |
| 859 | (if (equal type "checkbox") | |
| 860 | (goto-char | |
| 861 | (1+ | |
| 862 | (if (plist-get input :checked) | |
| 863 | (progn | |
| 864 | (plist-put input :checked nil) | |
| 4570dd16 | 865 | (eww-update-field eww-form-checkbox-symbol)) |
| 970ad972 | 866 | (plist-put input :checked t) |
| 4570dd16 | 867 | (eww-update-field eww-form-checkbox-selected-symbol)))) |
| 970ad972 G |
868 | ;; Radio button. Switch all other buttons off. |
| 869 | (let ((name (plist-get input :name))) | |
| 870 | (save-excursion | |
| 871 | (dolist (elem (eww-inputs (plist-get input :eww-form))) | |
| 872 | (when (equal (plist-get (cdr elem) :name) name) | |
| 873 | (goto-char (car elem)) | |
| 874 | (if (not (eq (cdr elem) input)) | |
| 875 | (progn | |
| 876 | (plist-put input :checked nil) | |
| 4570dd16 | 877 | (eww-update-field eww-form-checkbox-symbol)) |
| 970ad972 | 878 | (plist-put input :checked t) |
| 4570dd16 | 879 | (eww-update-field eww-form-checkbox-selected-symbol))))) |
| 970ad972 G |
880 | (forward-char 1))))) |
| 881 | ||
| 882 | (defun eww-inputs (form) | |
| 883 | (let ((start (point-min)) | |
| 884 | (inputs nil)) | |
| 885 | (while (and start | |
| 886 | (< start (point-max))) | |
| 887 | (when (or (get-text-property start 'eww-form) | |
| 888 | (setq start (next-single-property-change start 'eww-form))) | |
| 889 | (when (eq (plist-get (get-text-property start 'eww-form) :eww-form) | |
| 890 | form) | |
| 891 | (push (cons start (get-text-property start 'eww-form)) | |
| 892 | inputs)) | |
| 893 | (setq start (next-single-property-change start 'eww-form)))) | |
| 894 | (nreverse inputs))) | |
| 895 | ||
| 896 | (defun eww-input-value (input) | |
| 897 | (let ((type (plist-get input :type)) | |
| 898 | (value (plist-get input :value))) | |
| 899 | (cond | |
| 900 | ((equal type "textarea") | |
| 901 | (with-temp-buffer | |
| 902 | (insert value) | |
| 903 | (goto-char (point-min)) | |
| 904 | (while (re-search-forward "^ +\n\\| +$" nil t) | |
| 905 | (replace-match "" t t)) | |
| 906 | (buffer-string))) | |
| 907 | (t | |
| 908 | (if (string-match " +\\'" value) | |
| 909 | (substring value 0 (match-beginning 0)) | |
| 910 | value))))) | |
| 911 | ||
| 912 | (defun eww-submit () | |
| 913 | "Submit the current form." | |
| 914 | (interactive) | |
| 915 | (let* ((this-input (get-text-property (point) 'eww-form)) | |
| 916 | (form (plist-get this-input :eww-form)) | |
| 917 | values next-submit) | |
| 918 | (dolist (elem (sort (eww-inputs form) | |
| 919 | (lambda (o1 o2) | |
| 920 | (< (car o1) (car o2))))) | |
| 921 | (let* ((input (cdr elem)) | |
| 922 | (input-start (car elem)) | |
| 923 | (name (plist-get input :name))) | |
| 924 | (when name | |
| 925 | (cond | |
| 926 | ((member (plist-get input :type) '("checkbox" "radio")) | |
| 927 | (when (plist-get input :checked) | |
| 928 | (push (cons name (plist-get input :value)) | |
| 929 | values))) | |
| 930 | ((equal (plist-get input :type) "submit") | |
| 931 | ;; We want the values from buttons if we hit a button if | |
| 932 | ;; we hit enter on it, or if it's the first button after | |
| 933 | ;; the field we did hit return on. | |
| 934 | (when (or (eq input this-input) | |
| 935 | (and (not (eq input this-input)) | |
| 936 | (null next-submit) | |
| 937 | (> input-start (point)))) | |
| 938 | (setq next-submit t) | |
| 939 | (push (cons name (plist-get input :value)) | |
| 940 | values))) | |
| 941 | (t | |
| 942 | (push (cons name (eww-input-value input)) | |
| 943 | values)))))) | |
| f22255bd LMI |
944 | (dolist (elem form) |
| 945 | (when (and (consp elem) | |
| 946 | (eq (car elem) 'hidden)) | |
| 947 | (push (cons (plist-get (cdr elem) :name) | |
| 948 | (plist-get (cdr elem) :value)) | |
| 949 | values))) | |
| c74cb344 G |
950 | (if (and (stringp (cdr (assq :method form))) |
| 951 | (equal (downcase (cdr (assq :method form))) "post")) | |
| 952 | (let ((url-request-method "POST") | |
| 953 | (url-request-extra-headers | |
| 954 | '(("Content-Type" . "application/x-www-form-urlencoded"))) | |
| 955 | (url-request-data (mm-url-encode-www-form-urlencoded values))) | |
| 956 | (eww-browse-url (shr-expand-url (cdr (assq :action form)) | |
| 957 | eww-current-url))) | |
| 958 | (eww-browse-url | |
| 959 | (concat | |
| 960 | (if (cdr (assq :action form)) | |
| 961 | (shr-expand-url (cdr (assq :action form)) | |
| 962 | eww-current-url) | |
| 963 | eww-current-url) | |
| 964 | "?" | |
| 965 | (mm-url-encode-www-form-urlencoded values)))))) | |
| 2644071e | 966 | |
| b2afb3ea | 967 | (defun eww-browse-with-external-browser (&optional url) |
| f865b474 | 968 | "Browse the current URL with an external browser. |
| 0ebd92a3 | 969 | The browser to used is specified by the `shr-external-browser' variable." |
| f865b474 | 970 | (interactive) |
| b2afb3ea | 971 | (funcall shr-external-browser (or url eww-current-url))) |
| f865b474 | 972 | |
| 513562a1 LMI |
973 | (defun eww-follow-link (&optional external mouse-event) |
| 974 | "Browse the URL under point. | |
| 975 | If EXTERNAL, browse the URL using `shr-external-browser'." | |
| 976 | (interactive (list current-prefix-arg last-nonmenu-event)) | |
| 977 | (mouse-set-point mouse-event) | |
| 978 | (let ((url (get-text-property (point) 'shr-url))) | |
| 979 | (cond | |
| 980 | ((not url) | |
| 981 | (message "No link under point")) | |
| 982 | ((string-match "^mailto:" url) | |
| 983 | (browse-url-mail url)) | |
| 984 | (external | |
| 985 | (funcall shr-external-browser url)) | |
| 986 | ;; This is a #target url in the same page as the current one. | |
| 987 | ((and (url-target (url-generic-parse-url url)) | |
| 988 | (eww-same-page-p url eww-current-url)) | |
| 989 | (eww-save-history) | |
| 990 | (eww-display-html 'utf8 url eww-current-dom)) | |
| 991 | (t | |
| 992 | (eww-browse-url url))))) | |
| 993 | ||
| 994 | (defun eww-same-page-p (url1 url2) | |
| f224e500 | 995 | "Return non-nil if both URLs represent the same page. |
| 513562a1 LMI |
996 | Differences in #targets are ignored." |
| 997 | (let ((obj1 (url-generic-parse-url url1)) | |
| 998 | (obj2 (url-generic-parse-url url2))) | |
| 999 | (setf (url-target obj1) nil) | |
| 1000 | (setf (url-target obj2) nil) | |
| 1001 | (equal (url-recreate-url obj1) (url-recreate-url obj2)))) | |
| 1002 | ||
| 16f74f10 | 1003 | (defun eww-copy-page-url () |
| b89fc156 | 1004 | (interactive) |
| 16f74f10 | 1005 | (message "%s" eww-current-url) |
| b89fc156 | 1006 | (kill-new eww-current-url)) |
| 16f74f10 | 1007 | |
| bfbc93a1 IK |
1008 | (defun eww-download () |
| 1009 | "Download URL under point to `eww-download-directory'." | |
| 1010 | (interactive) | |
| 1011 | (let ((url (get-text-property (point) 'shr-url))) | |
| 1012 | (if (not url) | |
| 1013 | (message "No URL under point") | |
| 1014 | (url-retrieve url 'eww-download-callback (list url))))) | |
| 1015 | ||
| 1016 | (defun eww-download-callback (status url) | |
| 1017 | (unless (plist-get status :error) | |
| 1018 | (let* ((obj (url-generic-parse-url url)) | |
| 1019 | (path (car (url-path-and-query obj))) | |
| 1020 | (file (eww-make-unique-file-name (file-name-nondirectory path) | |
| 1021 | eww-download-path))) | |
| 1022 | (write-file file) | |
| 1023 | (message "Saved %s" file)))) | |
| 1024 | ||
| 1025 | (defun eww-make-unique-file-name (file directory) | |
| 1026 | (cond | |
| 1027 | ((zerop (length file)) | |
| 1028 | (setq file "!")) | |
| 1029 | ((string-match "\\`[.]" file) | |
| 1030 | (setq file (concat "!" file)))) | |
| fde38d49 | 1031 | (let ((count 1)) |
| bfbc93a1 IK |
1032 | (while (file-exists-p (expand-file-name file directory)) |
| 1033 | (setq file | |
| 1034 | (if (string-match "\\`\\(.*\\)\\([.][^.]+\\)" file) | |
| 1035 | (format "%s(%d)%s" (match-string 1 file) | |
| 1036 | count (match-string 2 file)) | |
| 1037 | (format "%s(%d)" file count))) | |
| 1038 | (setq count (1+ count))) | |
| 1039 | (expand-file-name file directory))) | |
| 1040 | ||
| 2b4f0506 LMI |
1041 | ;;; Bookmarks code |
| 1042 | ||
| 1043 | (defvar eww-bookmarks nil) | |
| 1044 | ||
| 1045 | (defun eww-add-bookmark () | |
| 1046 | "Add the current page to the bookmarks." | |
| 1047 | (interactive) | |
| 1048 | (eww-read-bookmarks) | |
| 1049 | (dolist (bookmark eww-bookmarks) | |
| 1050 | (when (equal eww-current-url | |
| 1051 | (plist-get bookmark :url)) | |
| 1052 | (error "Already bookmarked"))) | |
| e47112ee TZ |
1053 | (if (y-or-n-p "bookmark this page? ") |
| 1054 | (progn | |
| 1055 | (let ((title (replace-regexp-in-string "[\n\t\r]" " " eww-current-title))) | |
| 1056 | (setq title (replace-regexp-in-string "\\` +\\| +\\'" "" title)) | |
| 1057 | (push (list :url eww-current-url | |
| 1058 | :title title | |
| 1059 | :time (current-time-string)) | |
| 1060 | eww-bookmarks)) | |
| 1061 | (eww-write-bookmarks) | |
| 1062 | (message "Bookmarked %s (%s)" eww-current-url eww-current-title)))) | |
| 2b4f0506 LMI |
1063 | |
| 1064 | (defun eww-write-bookmarks () | |
| 1065 | (with-temp-file (expand-file-name "eww-bookmarks" user-emacs-directory) | |
| 1066 | (insert ";; Auto-generated file; don't edit\n") | |
| 1067 | (pp eww-bookmarks (current-buffer)))) | |
| 1068 | ||
| 1069 | (defun eww-read-bookmarks () | |
| 99906aa0 LL |
1070 | (let ((file (expand-file-name "eww-bookmarks" user-emacs-directory))) |
| 1071 | (setq eww-bookmarks | |
| 1072 | (unless (zerop (or (nth 7 (file-attributes file)) 0)) | |
| 1073 | (with-temp-buffer | |
| 1074 | (insert-file-contents file) | |
| 1075 | (read (current-buffer))))))) | |
| 2b4f0506 LMI |
1076 | |
| 1077 | (defun eww-list-bookmarks () | |
| 1078 | "Display the bookmarks." | |
| 1079 | (interactive) | |
| 1080 | (eww-bookmark-prepare) | |
| 1081 | (pop-to-buffer "*eww bookmarks*")) | |
| 1082 | ||
| 1083 | (defun eww-bookmark-prepare () | |
| 1084 | (eww-read-bookmarks) | |
| 1085 | (when (null eww-bookmarks) | |
| 1086 | (error "No bookmarks are defined")) | |
| 1087 | (set-buffer (get-buffer-create "*eww bookmarks*")) | |
| 1088 | (eww-bookmark-mode) | |
| 1089 | (let ((format "%-40s %s") | |
| 1090 | (inhibit-read-only t) | |
| 1091 | start url) | |
| 1092 | (erase-buffer) | |
| 1093 | (setq header-line-format (concat " " (format format "URL" "Title"))) | |
| 1094 | (dolist (bookmark eww-bookmarks) | |
| 1095 | (setq start (point)) | |
| 1096 | (setq url (plist-get bookmark :url)) | |
| 1097 | (when (> (length url) 40) | |
| 1098 | (setq url (substring url 0 40))) | |
| 1099 | (insert (format format url | |
| 1100 | (plist-get bookmark :title)) | |
| 1101 | "\n") | |
| 1102 | (put-text-property start (1+ start) 'eww-bookmark bookmark)) | |
| 1103 | (goto-char (point-min)))) | |
| 1104 | ||
| 1105 | (defvar eww-bookmark-kill-ring nil) | |
| 1106 | ||
| 1107 | (defun eww-bookmark-kill () | |
| 1108 | "Kill the current bookmark." | |
| 1109 | (interactive) | |
| 1110 | (let* ((start (line-beginning-position)) | |
| 1111 | (bookmark (get-text-property start 'eww-bookmark)) | |
| 1112 | (inhibit-read-only t)) | |
| 1113 | (unless bookmark | |
| 1114 | (error "No bookmark on the current line")) | |
| 1115 | (forward-line 1) | |
| 1116 | (push (buffer-substring start (point)) eww-bookmark-kill-ring) | |
| 1117 | (delete-region start (point)) | |
| 1118 | (setq eww-bookmarks (delq bookmark eww-bookmarks)) | |
| 1119 | (eww-write-bookmarks))) | |
| 1120 | ||
| 1121 | (defun eww-bookmark-yank () | |
| 1122 | "Yank a previously killed bookmark to the current line." | |
| 1123 | (interactive) | |
| 1124 | (unless eww-bookmark-kill-ring | |
| 1125 | (error "No previously killed bookmark")) | |
| 1126 | (beginning-of-line) | |
| 1127 | (let ((inhibit-read-only t) | |
| 1128 | (start (point)) | |
| 1129 | bookmark) | |
| 1130 | (insert (pop eww-bookmark-kill-ring)) | |
| 1131 | (setq bookmark (get-text-property start 'eww-bookmark)) | |
| 1132 | (if (= start (point-min)) | |
| 1133 | (push bookmark eww-bookmarks) | |
| 1134 | (let ((line (count-lines start (point)))) | |
| 1135 | (setcdr (nthcdr (1- line) eww-bookmarks) | |
| 1136 | (cons bookmark (nthcdr line eww-bookmarks))))) | |
| 1137 | (eww-write-bookmarks))) | |
| 1138 | ||
| 1139 | (defun eww-bookmark-quit () | |
| 1140 | "Kill the current buffer." | |
| 1141 | (interactive) | |
| 1142 | (kill-buffer (current-buffer))) | |
| 1143 | ||
| 1144 | (defun eww-bookmark-browse () | |
| 1145 | "Browse the bookmark under point in eww." | |
| 1146 | (interactive) | |
| 1147 | (let ((bookmark (get-text-property (line-beginning-position) 'eww-bookmark))) | |
| 1148 | (unless bookmark | |
| 1149 | (error "No bookmark on the current line")) | |
| 47fd571b LMI |
1150 | ;; We wish to leave this window, but if it's the only window here, |
| 1151 | ;; just let it remain. | |
| 1152 | (ignore-errors | |
| 1153 | (delete-window)) | |
| e47112ee | 1154 | (eww-browse-url (plist-get bookmark :url)))) |
| 2b4f0506 LMI |
1155 | |
| 1156 | (defun eww-next-bookmark () | |
| 1157 | "Go to the next bookmark in the list." | |
| 1158 | (interactive) | |
| 1159 | (let ((first nil) | |
| 1160 | bookmark) | |
| 1161 | (unless (get-buffer "*eww bookmarks*") | |
| 1162 | (setq first t) | |
| 1163 | (eww-bookmark-prepare)) | |
| 1164 | (with-current-buffer (get-buffer "*eww bookmarks*") | |
| 1165 | (when (and (not first) | |
| 1166 | (not (eobp))) | |
| 1167 | (forward-line 1)) | |
| 1168 | (setq bookmark (get-text-property (line-beginning-position) | |
| 1169 | 'eww-bookmark)) | |
| 1170 | (unless bookmark | |
| 1171 | (error "No next bookmark"))) | |
| 1172 | (eww-browse-url (plist-get bookmark :url)))) | |
| 1173 | ||
| 1174 | (defun eww-previous-bookmark () | |
| 1175 | "Go to the previous bookmark in the list." | |
| 1176 | (interactive) | |
| 1177 | (let ((first nil) | |
| 1178 | bookmark) | |
| 1179 | (unless (get-buffer "*eww bookmarks*") | |
| 1180 | (setq first t) | |
| 1181 | (eww-bookmark-prepare)) | |
| 1182 | (with-current-buffer (get-buffer "*eww bookmarks*") | |
| 1183 | (if first | |
| 1184 | (goto-char (point-max)) | |
| 1185 | (beginning-of-line)) | |
| 1186 | ;; On the final line. | |
| 1187 | (when (eolp) | |
| 1188 | (forward-line -1)) | |
| 1189 | (if (bobp) | |
| 1190 | (error "No previous bookmark") | |
| 1191 | (forward-line -1)) | |
| 1192 | (setq bookmark (get-text-property (line-beginning-position) | |
| 1193 | 'eww-bookmark))) | |
| 1194 | (eww-browse-url (plist-get bookmark :url)))) | |
| 1195 | ||
| 1196 | (defvar eww-bookmark-mode-map | |
| 1197 | (let ((map (make-sparse-keymap))) | |
| 1198 | (suppress-keymap map) | |
| 1199 | (define-key map "q" 'eww-bookmark-quit) | |
| 1200 | (define-key map [(control k)] 'eww-bookmark-kill) | |
| 1201 | (define-key map [(control y)] 'eww-bookmark-yank) | |
| 1202 | (define-key map "\r" 'eww-bookmark-browse) | |
| 1203 | map)) | |
| 1204 | ||
| 1205 | (define-derived-mode eww-bookmark-mode nil "eww bookmarks" | |
| 1206 | "Mode for listing bookmarks. | |
| 1207 | ||
| 1208 | \\{eww-bookmark-mode-map}" | |
| 1209 | (buffer-disable-undo) | |
| 1210 | (setq buffer-read-only t | |
| 1211 | truncate-lines t)) | |
| 1212 | ||
| 266c63b5 AK |
1213 | (provide 'eww) |
| 1214 | ||
| 1215 | ;;; eww.el ends here |