X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=elpher.git;a=blobdiff_plain;f=elpher.el;h=0391d21ab992abd25d186d14ed4c8145830b0cdf;hp=b49358d8a4134e81ff5da428f2824a5e7c39111a;hb=595a76dcdb44e7ae7e6495b255ca0f0a2141d991;hpb=8d1e8265ed5671c727a3b4e536ecfdcb39fca2dc diff --git a/elpher.el b/elpher.el index b49358d..0391d21 100644 --- a/elpher.el +++ b/elpher.el @@ -5,6 +5,7 @@ ;; Copyright (C) 2021 Christopher Brannon ;; Copyright (C) 2021 Omar Polo ;; Copyright (C) 2021 Noodles! +;; Copyright (C) 2021 Abhiseck Paira ;; Copyright (C) 2020-2021 Alex Schroeder ;; Copyright (C) 2020 Zhiwei Chen ;; Copyright (C) 2020 condy0919 @@ -19,7 +20,7 @@ ;; Author: Tim Vaughan ;; Created: 11 April 2019 -;; Version: 3.0.0 +;; Version: 3.1.0 ;; Keywords: comm gopher ;; Homepage: https://thelambdalab.xyz/elpher ;; Package-Requires: ((emacs "27.1")) @@ -61,8 +62,8 @@ ;; Full instructions can be found in the Elpher info manual. ;; Elpher is under active development. Any suggestions for -;; improvements are welcome, and can be made on the official -;; project page, gopher://thelambdalab.xyz/elpher, or via the +;; improvements are welcome, and can be made on the official project +;; page, gopher://thelambdalab.xyz/1/projects/elpher, or via the ;; project mailing list at https://lists.sr.ht/~michel-slm/elpher. ;;; Code: @@ -73,38 +74,18 @@ ;; (require 'seq) -(require 'pp) (require 'shr) (require 'url-util) (require 'subr-x) -(require 'dns) (require 'nsm) (require 'gnutls) (require 'socks) - -;;; ANSI colors or XTerm colors - -(or (require 'xterm-color nil t) - (require 'ansi-color)) - -(defalias 'elpher-color-filter-apply - (if (fboundp 'xterm-color-filter) - (lambda (s) - (let ((_xterm-color-render nil)) - (xterm-color-filter s))) - 'ansi-color-filter-apply) - "A function to filter out ANSI escape sequences.") - -(defalias 'elpher-color-apply - (if (fboundp 'xterm-color-filter) - 'xterm-color-filter - 'ansi-color-apply) - "A function to apply ANSI escape sequences.") +(require 'bookmark) ;;; Global constants ;; -(defconst elpher-version "3.0.0" +(defconst elpher-version "3.1.0" "Current version of elpher.") (defconst elpher-margin-width 6 @@ -128,30 +109,28 @@ (finger elpher-get-finger-page elpher-render-text "txt" elpher-text) (telnet elpher-get-telnet-page nil "tel" elpher-telnet) (other-url elpher-get-other-url-page nil "url" elpher-other-url) - ((special start) elpher-get-start-page nil) - ((special history) elpher-get-history-page nil) - ((special history-all) elpher-get-history-all-page nil)) + ((special start) elpher-get-start-page nil "E" elpher-index) + ((special bookmarks) elpher-get-bookmarks-page nil "E" elpher-index) + ((special history) elpher-get-history-page nil "E" elpher-index) + ((special visited-pages) elpher-get-visited-pages-page nil "E" elpher-index)) "Association list from types to getters, renderers, margin codes and index faces.") -;;; Internal variables -;; - -;; buffer-local -(defvar elpher--gemini-page-headings nil - "List of headings on the page.") - - ;;; Declarations to avoid compiler warnings. ;; (eval-when-compile - (defvar bookmark-make-record-function) + (declare-function ansi-color-filter-apply "ansi-color") + (declare-function ansi-color-apply "ansi-color") (declare-function bookmark-store "bookmark") (declare-function org-link-store-props "ol") (declare-function org-link-set-parameters "ol") + (defvar ansi-color-context) + (defvar bookmark-make-record-function) + (defvar mu4e~view-beginning-of-url-regexp) + (defvar eww-use-browse-url) (defvar thing-at-point-uri-schemes) - (defvar mu4e~view-beginning-of-url-regexp)) + (defvar xterm-color-preserve-properties)) ;;; Customization group @@ -239,9 +218,10 @@ some servers which do not support IPv6 can take a long time to time-out." Otherwise, the SOCKS proxy is only used for connections to onion services." :type '(boolean)) -(defcustom elpher-number-links nil - "If non-nil, number links in pages when rendering. -Links can be followed numerically by pressing `M' and entering by the link number." +(defcustom elpher-use-emacs-bookmark-menu nil + "If non-nil, elpher will only use the native Emacs bookmark menu. +Otherwise, \\[elpher-show-bookmarks] will visit a special elpher bookmark +page within which all of the standard elpher keybindings are active." :type '(boolean)) ;; Face customizations @@ -402,11 +382,6 @@ requiring gopher-over-TLS." "Create an ADDRESS object corresponding to the given special address symbol TYPE." type) -(defun elpher-make-start-page () - "Create the start page." - (elpher-make-page "Elpher Start Page" - (elpher-make-special-address 'start))) - (defun elpher-address-to-url (address) "Get string representation of ADDRESS, or nil if ADDRESS is special." (if (elpher-address-special-p address) @@ -506,6 +481,11 @@ If no address is defined, returns 0. (This is for compatibility with the URL li "Create a page with DISPLAY-STRING and ADDRESS." (list display-string address)) +(defun elpher-make-start-page () + "Create the start page." + (elpher-make-page "Elpher Start Page" + (elpher-make-special-address 'start))) + (defun elpher-page-display-string (page) "Retrieve the display string corresponding to PAGE." (elt page 0)) @@ -522,26 +502,28 @@ If no address is defined, returns 0. (This is for compatibility with the URL li "The current page for this Elpher buffer.") (defvar elpher-history nil - "The local history for this Elpher buffer. + "The local history stack for this Elpher buffer. This variable is used by `elpher-back' and `elpher-show-history'.") -(defvar elpher-history-all nil +(defvar elpher-visited-pages nil "The global history for all Elpher buffers. -This variable is used by `elpher-show-history-all'.") +This variable is used by `elpher-show-visited-pages'.") (defun elpher-visit-page (page &optional renderer no-history) "Visit PAGE using its own renderer or RENDERER, if non-nil. -Additionally, push PAGE onto the stack of previously-visited pages, -unless NO-HISTORY is non-nil." +Additionally, push PAGE onto the history stack and the list of +previously-visited pages,unless NO-HISTORY is non-nil." (elpher-save-pos) (elpher-process-cleanup) - (elpher-reset-link-number-counter) - (unless (or no-history - (equal (elpher-page-address elpher-current-page) - (elpher-page-address page))) - (push elpher-current-page elpher-history) - (push elpher-current-page elpher-history-all)) + (unless no-history + (unless (equal (elpher-page-address elpher-current-page) + (elpher-page-address page)) + (push elpher-current-page elpher-history) + (unless (or (elpher-address-special-p (elpher-page-address page)) + (and elpher-visited-pages + (equal page (car elpher-visited-pages)))) + (push page elpher-visited-pages)))) (setq-local elpher-current-page page) (let* ((address (elpher-page-address page)) (type (elpher-address-type address)) @@ -607,11 +589,13 @@ unless NO-HISTORY is non-nil." (defmacro elpher-with-clean-buffer (&rest args) "Evaluate ARGS with a clean *elpher* buffer as current." + (declare (debug (body))) ;; Allow edebug to step through body `(with-current-buffer elpher-buffer-name (unless (eq major-mode 'elpher-mode) ;; avoid resetting buffer-local variables (elpher-mode)) - (let ((inhibit-read-only t)) + (let ((inhibit-read-only t) + (ansi-color-context nil)) ;; clean ansi interpreter state (setq-local network-security-level (default-value 'network-security-level)) (erase-buffer) @@ -654,6 +638,57 @@ away CRs and any terminating period." (elpher-decode (replace-regexp-in-string "\n\\.\n$" "\n" (replace-regexp-in-string "\r" "" string)))) +;;; Buttonify urls + +(defconst elpher-url-regex + "\\([a-zA-Z]+\\)://\\([a-zA-Z0-9.-]*[a-zA-Z0-9-]\\|\\[[a-zA-Z0-9:]+\\]\\)\\(:[0-9]+\\)?\\(/\\([0-9a-zA-Z_~?/@|:.%#=&-]*[0-9a-zA-Z_~?/@|#-]\\)?\\)?" + "Regexp used to locate and buttonify URLs in text files loaded by elpher.") + +(defun elpher-buttonify-urls (string) + "Turn substrings which look like urls in STRING into clickable buttons." + (with-temp-buffer + (insert string) + (goto-char (point-min)) + (while (re-search-forward elpher-url-regex nil t) + (let ((page (elpher-make-page (substring-no-properties (match-string 0)) + (elpher-address-from-url (match-string 0))))) + (make-text-button (match-beginning 0) + (match-end 0) + 'elpher-page page + 'action #'elpher-click-link + 'follow-link t + 'help-echo #'elpher--page-button-help + 'face 'button))) + (buffer-string))) + +;;; ANSI colors or XTerm colors (application and filtering) + +(or (require 'xterm-color nil t) + (require 'ansi-color)) + +(defalias 'elpher-color-filter-apply + (if (fboundp 'xterm-color-filter) + (lambda (s) + (let ((_xterm-color-render nil)) + (xterm-color-filter s))) + #'ansi-color-filter-apply) + "A function to filter out ANSI escape sequences.") + +(defalias 'elpher-color-apply + (if (fboundp 'xterm-color-filter) + #'xterm-color-filter + #'ansi-color-apply) + "A function to apply ANSI escape sequences.") + +;;; Processing text for display + +(defun elpher-process-text-for-display (string) + "Perform any desired processing of STRING prior to display as text. +Currently includes buttonifying URLs and processing ANSI escape codes." + (elpher-buttonify-urls (if elpher-filter-ansi-from-text + (elpher-color-filter-apply string) + (elpher-color-apply string)))) + ;;; Network error reporting ;; @@ -688,6 +723,15 @@ ERROR can be either an error object or a string." (if (timerp elpher-network-timer) (cancel-timer elpher-network-timer))) +(defun elpher-make-network-timer (thunk) + "Create a timer to run the THUNK after `elpher-connection-timeout' seconds. +This is just a wraper around `run-at-time' which additionally sets the +buffer-local variable `elpher-network-timer' to allow +`elpher-process-cleanup' to also clear the timer." + (let ((timer (run-at-time elpher-connection-timeout nil thunk))) + (setq-local elpher-network-timer timer) + timer)) + (defun elpher-get-host-response (address default-port query-string response-processor &optional use-tls force-ipv4) "Generic function for retrieving data from ADDRESS. @@ -714,13 +758,17 @@ the host operating system and the local network capabilities.)" (condition-case nil (let* ((kill-buffer-query-functions nil) (port (elpher-address-port address)) - (service (if (> port 0) port default-port)) (host (elpher-address-host address)) - (socks (or elpher-socks-always (string-suffix-p ".onion" host))) + (service (if (> port 0) port default-port)) (response-string-parts nil) (bytes-received 0) (hkbytes-received 0) - (timer (run-at-time elpher-connection-timeout nil + (socks (or elpher-socks-always (string-suffix-p ".onion" host))) + (gnutls-params (list :type 'gnutls-x509pki + :hostname host + :keylist + (elpher-get-current-keylist address))) + (timer (elpher-make-network-timer (lambda () (elpher-process-cleanup) (cond @@ -743,8 +791,6 @@ the host operating system and the local network capabilities.)" nil force-ipv4)) (t (elpher-network-error address "Connection time-out.")))))) - (gnutls-params (list :type 'gnutls-x509pki :hostname host - :keylist (elpher-get-current-keylist address))) (proc (if socks (socks-open-network-stream "elpher-process" nil host service) (make-network-process :name "elpher-process" :host host @@ -813,6 +859,7 @@ the host operating system and the local network capabilities.)" (if use-tls (apply #'gnutls-negotiate :process proc gnutls-params)) (funcall (process-sentinel proc) proc "open\n"))) (error + (elpher-process-cleanup) (error "Error initiating connection to server"))))) @@ -1020,24 +1067,6 @@ displayed. The _WINDOW argument is currently unused." address (elpher-address-to-url address)))))))) -(defvar elpher--link-number-counter 0 - "Used to number links on elpher pages.") -(defun elpher-reset-link-number-counter () - "Reset the link number counter." - (setq-local elpher--link-number-counter 0)) - -(defun elpher--insert-text-button (label &rest properties) - "Insert a potentially-numbered button into the current buffer. -The text for the button is provided by LABEL, while the button -properties in PROPERTIES are as per `insert-text-button'." - - (if elpher-number-links - (setq-local elpher--link-number-counter (+ elpher--link-number-counter 1))) - (let ((pref (if elpher-number-links - (concat "[" (number-to-string elpher--link-number-counter) "] ") - ""))) - (apply #'insert-text-button (cons (concat pref label) properties)))) - (defun elpher-insert-index-record (display-string &optional address) "Function to insert an index record into the current buffer. The contents of the record are dictated by DISPLAY-STRING and ADDRESS. @@ -1051,12 +1080,12 @@ If ADDRESS is not supplied or nil the record is rendered as an (filtered-display-string (elpher-color-filter-apply display-string)) (page (elpher-make-page filtered-display-string address))) (elpher-insert-margin margin-code) - (elpher--insert-text-button filtered-display-string - 'face face - 'elpher-page page - 'action #'elpher-click-link - 'follow-link t - 'help-echo #'elpher--page-button-help)) + (insert-text-button filtered-display-string + 'face face + 'elpher-page page + 'action #'elpher-click-link + 'follow-link t + 'help-echo #'elpher--page-button-help)) (pcase type ('nil ;; Information (elpher-insert-margin) @@ -1085,37 +1114,6 @@ If ADDRESS is not supplied or nil the record is rendered as an ;; Text rendering -(defconst elpher-url-regex - "\\([a-zA-Z]+\\)://\\([a-zA-Z0-9.-]*[a-zA-Z0-9-]\\|\\[[a-zA-Z0-9:]+\\]\\)\\(:[0-9]+\\)?\\(/\\([0-9a-zA-Z_~?/@|:.%#=&-]*[0-9a-zA-Z_~?/@|#-]\\)?\\)?" - "Regexp used to locate and buttinofy URLs in text files loaded by elpher.") - -(defun elpher-buttonify-urls (string) - "Turn substrings which look like urls in STRING into clickable buttons." - (with-temp-buffer - (insert string) - (goto-char (point-min)) - (while (re-search-forward elpher-url-regex nil t) - (let ((page (elpher-make-page (substring-no-properties (match-string 0)) - (elpher-address-from-url (match-string 0))))) - (make-text-button (match-beginning 0) - (match-end 0) - 'elpher-page page - 'action #'elpher-click-link - 'follow-link t - 'help-echo #'elpher--page-button-help - 'face 'button))) - (buffer-string))) - -(defconst elpher-ansi-regex "\x1b\\[[^m]*m" - "Incomplete regexp used to strip out some troublesome ANSI escape sequences.") - -(defun elpher-process-text-for-display (string) - "Perform any desired processing of STRING prior to display as text. -Currently includes buttonifying URLs and processing ANSI escape codes." - (elpher-buttonify-urls (if elpher-filter-ansi-from-text - (elpher-color-filter-apply string) - (elpher-color-apply string)))) - (defun elpher-render-text (data &optional _mime-type-string) "Render DATA as text. MIME-TYPE-STRING is unused." (elpher-with-clean-buffer @@ -1133,13 +1131,16 @@ Currently includes buttonifying URLs and processing ANSI escape codes." (if (not data) nil (if (display-images-p) - (progn - (let ((image (create-image - data - nil t))) - (elpher-with-clean-buffer - (insert-image image) - (elpher-restore-pos)))) + (let* ((image (create-image + data + nil t)) + (window (get-buffer-window elpher-buffer-name))) + (when window + (setf (image-property image :max-width) (window-pixel-width window)) + (setf (image-property image :max-height) (window-pixel-height window))) + (elpher-with-clean-buffer + (insert-image image) + (elpher-restore-pos))) (elpher-render-download data)))) ;; Search retrieval and rendering @@ -1478,15 +1479,18 @@ treatment that a separate function is warranted." (let* ((face (elt type-map-entry 3)) (filtered-display-string (elpher-color-filter-apply display-string)) (page (elpher-make-page filtered-display-string address))) - (elpher--insert-text-button filtered-display-string - 'face face - 'elpher-page page - 'action #'elpher-click-link - 'follow-link t - 'help-echo #'elpher--page-button-help)) + (insert-text-button filtered-display-string + 'face face + 'elpher-page page + 'action #'elpher-click-link + 'follow-link t + 'help-echo #'elpher--page-button-help)) (insert (propertize display-string 'face 'elpher-unknown))) (insert "\n")))) +(defvar elpher--gemini-page-headings nil + "List of headings on the page.") + (defun elpher-gemini-insert-header (header-line) "Insert header described by HEADER-LINE into a text/gemini document. The gemini map file line describing the header is given @@ -1627,7 +1631,7 @@ The result is rendered using RENDERER." (browse-url url))))) -;; Start page page retrieval +;; Start page retrieval (defun elpher-get-start-page (renderer) "Getter which displays the start page (RENDERER must be nil)." @@ -1644,16 +1648,16 @@ The result is rendered using RENDERER." "\n" " - TAB/Shift-TAB: next/prev item on current page\n" " - RET/mouse-1: open item under cursor\n" - " - m/M: select an item on current page by name (autocompletes) or number\n" + " - m: select an item on current page by name (autocompletes)\n" " - u/mouse-3/U: return to previous page or to the start page\n" - " - o/O: visit different selector or the root menu of the current server\n" " - g: go to a particular address (gopher, gemini, finger)\n" + " - o/O: open a different address selector or the root menu of the current server\n" " - d/D: download item under cursor or current page\n" " - i/I: info on item under cursor or current page\n" " - c/C: copy URL representation of item under cursor or current page\n" " - a/A: bookmark the item under cursor or current page\n" " - B: list all bookmarks\n" - " - s/S: show history of current buffer or for all buffers\n" + " - s/S: show current history stack or all previously visted pages\n" " - r: redraw current page (using cached contents if available)\n" " - R: reload current page (regenerates cache)\n" " - !: set character coding system for gopher (default is to autodetect)\n" @@ -1674,88 +1678,105 @@ The result is rendered using RENDERER." (elpher-address-from-url "gemini://geminispace.info/search")) (insert "\n" "Your bookmarks are stored in your ") - (let ((help-string "RET,mouse-1: Open Emacs bookmark list")) - (elpher--insert-text-button "Emacs bookmark list" - 'face 'link - 'action (lambda (_) - (interactive) - (call-interactively #'bookmark-bmenu-list)) - 'follow-link t - 'help-echo help-string)) + (let ((help-string "RET,mouse-1: Open bookmark list")) + (insert-text-button "bookmark list" + 'face 'link + 'action (lambda (_) + (interactive) + (call-interactively #'elpher-show-bookmarks)) + 'follow-link t + 'help-echo help-string)) (insert ".\n") (insert (propertize "(Bookmarks from legacy elpher-bookmarks files will be automatically imported.)\n" 'face 'shadow)) (insert "\n" - "For Elpher release news or to leave feedback, visit:\n") + "The gopher home of the Elpher project is here:\n") (elpher-insert-index-record "The Elpher Project Page" (elpher-make-gopher-address ?1 "/projects/elpher/" "thelambdalab.xyz" 70)) - (insert "\n" - "** Refer to the ") (let ((help-string "RET,mouse-1: Open Elpher info manual (if available)")) - (elpher--insert-text-button "Elpher info manual" - 'face 'link - 'action (lambda (_) - (interactive) - (info "(elpher)")) - 'follow-link t - 'help-echo help-string)) - (insert " for the full documentation. **\n") + (insert "\n" + "The following info documentation is available:\n" + " - ") + (insert-text-button "Elpher Manual" + 'face 'link + 'action (lambda (_) + (interactive) + (info "(elpher)")) + 'follow-link t + 'help-echo help-string) + (insert "\n - ") + (insert-text-button "Changes introduced by the latest release" + 'face 'link + 'action (lambda (_) + (interactive) + (info "(elpher)News")) + 'follow-link t + 'help-echo help-string)) + (insert "\n") (insert (propertize - (concat " (This should be available if you have installed Elpher using\n" - " MELPA. Otherwise you will have to install the manual yourself.)\n") + (concat "(These documents should be available if you have installed Elpher \n" + " using MELPA. Otherwise you may have to install the manual yourself.)\n") 'face 'shadow)) (elpher-restore-pos))) ;; History page retrieval -(defun elpher-history () - "Show the history of pages leading to the current page in this buffer. -Use \\[elpher-history-all] to see the entire history. +(defun elpher-show-history () + "Show the current contents of elpher's history stack. +Use \\[elpher-show-visited-pages] to see the entire history. This is rendered using `elpher-get-history-page' via `elpher-type-map'." (interactive) (elpher-visit-page - (elpher-make-page "Elpher History Page" + (elpher-make-page "Current History Stack" (elpher-make-special-address 'history)))) -(defun elpher-history-all () +(defun elpher-show-visited-pages () "Show the all the pages you've visited using Elpher. -Use \\[elpher-history] to see just the history for the current buffer. -This is rendered using `elpher-get-history-all-page' via `elpher-type-map'." +Use \\[elpher-show-history] to see just the current history stack. +This is rendered using `elpher-get-visited-pages-page' via `elpher-type-map'." (interactive) (elpher-visit-page - (elpher-make-page "Elpher History Of All Seen Pages" - (elpher-make-special-address 'history-all)))) + (elpher-make-page "Elpher Visted Pages" + (elpher-make-special-address 'visited-pages)))) (defun elpher-get-history-page (renderer) "Getter which displays the history page (RENDERER must be nil)." (when renderer (elpher-visit-previous-page) (error "Command not supported for history page")) - (elpher-show-history elpher-history)) + (elpher-display-history-links elpher-history "Current history stack")) -(defun elpher-get-history-all-page (renderer) - "Getter which displays the history page (RENDERER must be nil)." +(defun elpher-get-visited-pages-page (renderer) + "Getter which displays the list of visited pages (RENDERER must be nil)." (when renderer (elpher-visit-previous-page) (error "Command not supported for history page")) - (elpher-show-history elpher-history-all)) - -(defun elpher-show-history (pages) - "Show all PAGES in the Elpher buffer." - (elpher-with-clean-buffer - (insert "---- Visited link history ----\n\n") - (if pages - (dolist (page pages) - (when page - (let ((display-string (elpher-page-display-string page)) - (address (elpher-page-address page))) - (elpher-insert-index-record display-string address)))) - (insert "No history items found.\n")) - (insert "\n----------------------------"))) + (elpher-display-history-links + (seq-filter (lambda (page) + (not (elpher-address-special-p (elpher-page-address page)))) + elpher-visited-pages) + "All visited pages")) + +(defun elpher-display-history-links (pages title) + "Show all PAGES in an Elpher buffer with a given TITLE." + (let* ((title-line (concat " ---- " title " ----")) + (footer-line (make-string (length title-line) ?-))) + (elpher-with-clean-buffer + (insert title-line "\n\n") + (if pages + (dolist (page pages) + (when page + (let ((display-string (elpher-page-display-string page)) + (address (elpher-page-address page))) + (elpher-insert-index-record display-string address)))) + (insert "No history items found.\n")) + (insert "\n " footer-line "\n" + "Select an entry or press 'u' to return to the previous page.") + (elpher-restore-pos)))) ;;; Bookmarks @@ -1794,26 +1815,41 @@ record for the current elpher page." ;;;###autoload (defun elpher-bookmark-jump (bookmark) - "Go to a particular BOOKMARK." - (let* ((url (cdr (assq 'location bookmark)))) - (elpher-go url))) + "Handler used to open a bookmark using elpher. +The argument BOOKMARK is a bookmark record passed to the function. +This handler is responsible for loading the bookmark in some buffer, +then making that buffer the current buffer. It should not switch +to the buffer." + (let* ((url (cdr (assq 'location bookmark))) + (cleaned-url (string-trim url)) + (address (elpher-address-from-url cleaned-url)) + (page (elpher-make-page cleaned-url address))) + (elpher-with-clean-buffer + (elpher-visit-page page)) + (set-buffer (get-buffer elpher-buffer-name)) + nil)) -(defun elpher-set-bookmark-no-overwrite () +(defun elpher-bookmark-link () "Bookmark the link at point. -To bookmark the current page, use \\[bookmark-set-no-overwrite]." +To bookmark the current page, use \\[elpher-bookmark-current]." (interactive) (let ((elpher-bookmark-link t)) (bookmark-set-no-overwrite))) +(defun elpher-bookmark-current () + "Bookmark the current page. +To bookmark the link at point use \\[elpher-bookmark-link]." + (interactive) + (call-interactively #'bookmark-set-no-overwrite)) + (defun elpher-bookmark-import (file) - "Import Elpher bookmarks file FILE into Emacs bookmarks." + "Import legacy Elpher bookmarks file FILE into Emacs bookmarks." (interactive (list (if (and (boundp 'elpher-bookmarks-file) (file-readable-p elpher-bookmarks-file)) elpher-bookmarks-file (read-file-name "Old Elpher bookmarks: " user-emacs-directory nil t "elpher-bookmarks")))) - (require 'bookmark) (dolist (bookmark (with-temp-buffer (insert-file-contents file) (read (current-buffer)))) @@ -1825,6 +1861,55 @@ To bookmark the current page, use \\[bookmark-set-no-overwrite]." (bookmark-store display-string (cdr record) t))) (bookmark-save)) +(defun elpher-get-bookmarks-page (renderer) + "Getter which displays the history page (RENDERER must be nil)." + (when renderer + (elpher-visit-previous-page) + (error "Command not supported for bookmarks page")) + (elpher-with-clean-buffer + (insert " ---- Elpher Bookmarks ---- \n\n") + (bookmark-maybe-load-default-file) + (dolist (bookmark (bookmark-maybe-sort-alist)) + (when (eq #'elpher-bookmark-jump (alist-get 'handler (cdr bookmark))) + (let* ((name (car bookmark)) + (url (alist-get 'location (cdr bookmark))) + (address (elpher-address-from-url url))) + (elpher-insert-index-record name address)))) + (when (<= (line-number-at-pos) 3) + (insert "No bookmarked pages found.\n")) + (insert "\n --------------------------\n\n" + "Select an entry or press 'u' to return to the previous page.\n\n" + "Bookmarks can be renamed or deleted via the ") + (insert-text-button "Emacs bookmark menu" + 'action (lambda (_) + (interactive) + (call-interactively #'bookmark-bmenu-list)) + 'follow-link t + 'help-echo "RET,mouse-1: open Emacs bookmark menu") + (insert (substitute-command-keys + ",\nwhich can also be opened from anywhere using '\\[bookmark-bmenu-list]'.")) + (elpher-restore-pos))) + +(defun elpher-show-bookmarks () + "Display the current list of elpher bookmarks. +This will also check for a legacy bookmark file and offer to import it." + (interactive) + (let ((old-bookmarks-file (or (and (boundp 'elpher-bookmarks-file) + elpher-bookmarks-file) + (locate-user-emacs-file "elpher-bookmarks")))) + (when (and (file-readable-p old-bookmarks-file) + (y-or-n-p (concat "Legacy elpher-bookmarks file \"" + old-bookmarks-file + "\" found. Import now?"))) + (elpher-bookmark-import old-bookmarks-file) + (rename-file old-bookmarks-file (concat old-bookmarks-file "-legacy")))) + (if elpher-use-emacs-bookmark-menu + (call-interactively #'bookmark-bmenu-list) + (elpher-visit-page + (elpher-make-page "Elpher Bookmarks" + (elpher-make-special-address 'bookmarks))))) + + ;;; Integrations ;; @@ -1937,6 +2022,12 @@ supports the old protocol elpher, where the link is self-contained." (setq mu4e~view-beginning-of-url-regexp "\\(?:https?\\|gopher\\|finger\\|gemini\\)://\\|mailto:") +;;; eww: + +;; Let elpher handle gemini, gopher links in eww buffer. +(setq eww-use-browse-url + "\\`mailto:\\|\\(\\`gemini\\|\\`gopher\\|\\`finger\\)://") + ;;; Interactive procedures ;; @@ -2043,7 +2134,7 @@ When run interactively HOST-OR-URL is read from the minibuffer." #'elpher-render-download t))) -(defun elpher-build-link-map () +(defun elpher--build-link-map () "Build alist mapping link names to destination pages in current buffer." (let ((link-map nil) (b (next-button (point-min) t))) @@ -2055,7 +2146,7 @@ When run interactively HOST-OR-URL is read from the minibuffer." (defun elpher-jump () "Select a directory entry by name. Similar to the info browser (m)enu command." (interactive) - (let* ((link-map (elpher-build-link-map))) + (let* ((link-map (elpher--build-link-map))) (if link-map (let ((key (let ((completion-ignore-case t)) (completing-read "Directory item/link: " @@ -2065,17 +2156,6 @@ When run interactively HOST-OR-URL is read from the minibuffer." (goto-char (button-start b)) (button-activate b))))))) -(defun elpher-jump-to-number (n) - "Jump to directory entry number N." - (interactive "nDirectory item/link number: ") - (let* ((link-map (reverse (elpher-build-link-map)))) - (if link-map - (if (<= 1 n (length link-map)) - (let ((b (cdr (elt link-map (- n 1))))) - (goto-char (button-start b)) - (button-activate b)) - (error "No link with that number"))))) - (defun elpher-root-dir () "Visit root of current server." (interactive) @@ -2157,11 +2237,11 @@ When run interactively HOST-OR-URL is read from the minibuffer." (define-key map (kbd "^") 'elpher-back) (define-key map [mouse-3] 'elpher-back) (define-key map (kbd "U") 'elpher-back-to-start) - (define-key map (kbd "O") 'elpher-root-dir) (define-key map (kbd "g") 'elpher-go) (define-key map (kbd "o") 'elpher-go-current) - (define-key map (kbd "s") 'elpher-history) - (define-key map (kbd "S") 'elpher-history-all) + (define-key map (kbd "O") 'elpher-root-dir) + (define-key map (kbd "s") 'elpher-show-history) + (define-key map (kbd "S") 'elpher-show-visited-pages) (define-key map (kbd "r") 'elpher-redraw) (define-key map (kbd "R") 'elpher-reload) (define-key map (kbd "T") 'elpher-toggle-tls) @@ -2169,14 +2249,13 @@ When run interactively HOST-OR-URL is read from the minibuffer." (define-key map (kbd "d") 'elpher-download) (define-key map (kbd "D") 'elpher-download-current) (define-key map (kbd "m") 'elpher-jump) - (define-key map (kbd "M") 'elpher-jump-to-number) (define-key map (kbd "i") 'elpher-info-link) (define-key map (kbd "I") 'elpher-info-current) (define-key map (kbd "c") 'elpher-copy-link-url) (define-key map (kbd "C") 'elpher-copy-current-url) - (define-key map (kbd "a") 'elpher-set-bookmark-no-overwrite) - (define-key map (kbd "A") 'bookmark-set-no-overwrite) - (define-key map (kbd "B") 'bookmark-bmenu-list) + (define-key map (kbd "a") 'elpher-bookmark-link) + (define-key map (kbd "A") 'elpher-bookmark-current) + (define-key map (kbd "B") 'elpher-show-bookmarks) (define-key map (kbd "!") 'elpher-set-gopher-coding-system) (define-key map (kbd "F") 'elpher-forget-current-certificate) (when (fboundp 'evil-define-key*) @@ -2190,8 +2269,11 @@ When run interactively HOST-OR-URL is read from the minibuffer." (kbd "^") 'elpher-back [mouse-3] 'elpher-back (kbd "U") 'elpher-back-to-start - (kbd "o") 'elpher-go - (kbd "O") 'elpher-go-current + (kbd "g") 'elpher-go + (kbd "o") 'elpher-go-current + (kbd "O") 'elpher-root-dir + (kbd "s") 'elpher-show-history + (kbd "S") 'elpher-show-visited-pages (kbd "r") 'elpher-redraw (kbd "R") 'elpher-reload (kbd "T") 'elpher-toggle-tls @@ -2199,14 +2281,13 @@ When run interactively HOST-OR-URL is read from the minibuffer." (kbd "d") 'elpher-download (kbd "D") 'elpher-download-current (kbd "m") 'elpher-jump - (kbd "M") 'elpher-jump-to-number (kbd "i") 'elpher-info-link (kbd "I") 'elpher-info-current (kbd "c") 'elpher-copy-link-url (kbd "C") 'elpher-copy-current-url - (kbd "a") 'elpher-set-bookmark-no-overwrite - (kbd "A") 'bookmark-set-no-overwrite - (kbd "B") 'bookmark-bmenu-list + (kbd "a") 'elpher-bookmark-link + (kbd "A") 'elpher-bookmark-current + (kbd "B") 'elpher-show-bookmarks (kbd "!") 'elpher-set-gopher-coding-system (kbd "F") 'elpher-forget-current-certificate)) map) @@ -2223,7 +2304,8 @@ functions which initialize the client, namely (setq-local elpher-history nil) (setq-local elpher-buffer-name (buffer-name)) (setq-local bookmark-make-record-function #'elpher-bookmark-make-record) - (setq-local imenu-create-index-function (lambda () elpher--gemini-page-headings))) + (setq-local imenu-create-index-function (lambda () elpher--gemini-page-headings)) + (setq-local xterm-color-preserve-properties t)) (when (fboundp 'evil-set-initial-state) (evil-set-initial-state 'elpher-mode 'motion))