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emacs-with-nyxt.el
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emacs-with-nyxt.el
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;;; emacs-with-nyxt.el --- some code to run Nyxt via Emacs.
;; Copyright (C) 2021 Andrea Giugliano
;; Author: Andrea Giugliano <[email protected]>
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; some code to run Nyxt via Emacs
;;
;; some extra docs
;;
;; See documentation on https://github.com/ag91/emacs-with-nyxt
;;; Code:
;; (require 'slime)
(require 'org)
(require 's)
;; (require 'sly)
(defcustom cl-ide 'sly
"What IDE to use to evaluate Common Lisp.
Defaults to Sly because it has better integration with Nyxt."
:options (list 'sly 'slime))
(defvar emacs-with-nyxt-delay
0.1
"Delay to wait for `cl-ide' commands to reach Nyxt.")
(setq slime-protocol-version 'ignore)
(defun emacs-with-nyxt-connected-p ()
"Is `cl-ide' connected to nyxt."
(cond
((eq cl-ide 'slime) (slime-connected-p))
((eq cl-ide 'sly) (sly-connected-p)))) ;; TODO this should check it
;; is connected to Nyxt and
;; not just to cl-ide
;; session
(defun emacs-with-nyxt--connect (host port)
"Connect `cl-ide' to HOST and PORT."
(cond
((eq cl-ide 'slime) (slime-connect host port))
((eq cl-ide 'sly) (sly-connect host port))))
(defun emacs-with-nyxt-connect (host port)
"Connect `cl-ide' to HOST and PORT ignoring version mismatches."
(emacs-with-nyxt--connect host port)
(while (not (emacs-with-nyxt-connected-p))
(message "Starting %s connection..." cl-ide)
(sleep-for emacs-with-nyxt-delay)))
(defun emacs-with-nyxt-eval (string)
"Send STRING to `cl-ide'."
(cond
((eq cl-ide 'slime) (slime-repl-eval-string string))
((eq cl-ide 'sly) (sly-eval `(slynk:interactive-eval-region ,string)))))
(defun emacs-with-nyxt-send-sexps (&rest s-exps)
"Evaluate S-EXPS with Nyxt `cl-ide' session."
(let ((s-exps-string (s-join "" (--map (prin1-to-string it) s-exps))))
(defun true (&rest args) 't)
(if (emacs-with-nyxt-connected-p)
(emacs-with-nyxt-eval s-exps-string)
(error (format "%s is not connected to Nyxt. Run `emacs-with-nyxt-start-and-connect-to-nyxt' first" cl-ide)))))
(add-to-list
'org-capture-templates
`("wN" "Web link" entry (file+headline ,(car org-agenda-files) "Links to read later")
"* TODO %?%a :readings: \nSCHEDULED: %(org-insert-time-stamp (org-read-date nil t \"Fri\"))\n"
:immediate-finish t :empty-lines 2))
(defun on/slug-string (title) (let ((slug-trim-chars '(;; Combining Diacritical Marks https://www.unicode.org/charts/PDF/U0300.pdf
768 ; U+0300 COMBINING GRAVE ACCENT
769 ; U+0301 COMBINING ACUTE ACCENT
770 ; U+0302 COMBINING CIRCUMFLEX ACCENT
771 ; U+0303 COMBINING TILDE
772 ; U+0304 COMBINING MACRON
774 ; U+0306 COMBINING BREVE
775 ; U+0307 COMBINING DOT ABOVE
776 ; U+0308 COMBINING DIAERESIS
777 ; U+0309 COMBINING HOOK ABOVE
778 ; U+030A COMBINING RING ABOVE
780 ; U+030C COMBINING CARON
795 ; U+031B COMBINING HORN
803 ; U+0323 COMBINING DOT BELOW
804 ; U+0324 COMBINING DIAERESIS BELOW
805 ; U+0325 COMBINING RING BELOW
807 ; U+0327 COMBINING CEDILLA
813 ; U+032D COMBINING CIRCUMFLEX ACCENT BELOW
814 ; U+032E COMBINING BREVE BELOW
816 ; U+0330 COMBINING TILDE BELOW
817 ; U+0331 COMBINING MACRON BELOW
)))
(cl-flet* ((nonspacing-mark-p (char)
(memq char slug-trim-chars))
(strip-nonspacing-marks (s)
(ucs-normalize-NFC-string
(apply #'string (seq-remove #'nonspacing-mark-p
(ucs-normalize-NFD-string s)))))
(cl-replace (title pair)
(replace-regexp-in-string (car pair) (cdr pair) title)))
(let* ((pairs `(("[^[:alnum:][:digit:]]" . "_") ;; convert anything not alphanumeric
("__*" . "_") ;; remove sequential underscores
("^_" . "") ;; remove starting underscore
("_$" . ""))) ;; remove ending underscore
(slug (-reduce-from #'cl-replace (strip-nonspacing-marks title) pairs)))
(downcase slug)))))
(defun on/make-filepath (title now &optional zone)
"Make filename from note TITLE and NOW time (assumed in the current time ZONE)."
(concat
org-roam-directory
(format-time-string "%Y%m%d%H%M%S_" now (or zone (current-time-zone)))
(s-truncate 70 (on/slug-string title) "")
".org"))
(defun on/insert-org-roam-file (file-path title &optional links sources text quote)
"Insert org roam file in FILE-PATH with TITLE, LINKS, SOURCES, TEXT, QUOTE."
(with-temp-file file-path
(insert
"* " title "\n"
"\n"
"- tags :: " (--reduce (concat acc ", " it) links) "\n"
(if sources (concat "- source :: " (--reduce (concat acc ", " it) sources) "\n") "")
"\n"
(if text text "")
"\n"
"\n"
(if quote
(concat "#+begin_src text \n"
quote "\n"
"#+end_src")
"")))
(with-file file-path
(org-id-get-create)
(save-buffer)))
(defun emacs-with-nyxt-current-package ()
"Return current package set for `cl-ide'."
(cond
((eq cl-ide 'slime) (slime-current-package))
((eq cl-ide 'sly) (with-current-buffer (sly-mrepl--find-buffer) (sly-current-package)))))
(defun emacs-with-nyxt-start-and-connect-to-nyxt (&optional no-maximize)
"Start Nyxt with swank capabilities. Optionally skip window maximization with NO-MAXIMIZE."
(interactive)
(async-shell-command (format "nyxt" ;; "nyxt -e \"(nyxt-user::start-swank)\""
))
(while (not (emacs-with-nyxt-connected-p))
(message (format "Starting %s connection..." cl-ide))
(ignore-errors (emacs-with-nyxt-connect "localhost" "4006"))
(sleep-for emacs-with-nyxt-delay))
(while (not (ignore-errors (string= "NYXT-USER" (upcase (emacs-with-nyxt-current-package)))))
(progn (message "Setting %s package to NYXT-USER..." cl-ide)
(sleep-for emacs-with-nyxt-delay)))
(emacs-with-nyxt-send-sexps
`(load "~/quicklisp/setup.lisp")
`(defun replace-all (string part replacement &key (test #'char=))
"Return a new string in which all the occurences of the part is replaced with replacement."
(with-output-to-string (out)
(loop with part-length = (length part)
for old-pos = 0 then (+ pos part-length)
for pos = (search part string
:start2 old-pos
:test test)
do (write-string string out
:start old-pos
:end (or pos (length string)))
when pos do (write-string replacement out)
while pos)))
`(defun eval-in-emacs (&rest s-exps)
"Evaluate S-EXPS with emacsclient."
(let ((s-exps-string (replace-all
(write-to-string
`(progn ,@s-exps) :case :downcase)
;; Discard the package prefix.
"nyxt::" "")))
(format *error-output* "Sending to Emacs:~%~a~%" s-exps-string)
(uiop:run-program
(list "emacsclient" "--eval" s-exps-string))))
`(ql:quickload "cl-qrencode")
`(define-command-global my/make-current-url-qr-code () ; this is going to be redundant: https://nyxt.atlas.engineer/article/qr-url.org
"Something else."
(when (find-mode (current-buffer) 'web-mode)
(cl-qrencode:encode-png (quri:render-uri (url (current-buffer))) :fpath "/tmp/qrcode.png")
(uiop:run-program (list "nyxt" "/tmp/qrcode.png"))))
'(define-command-global my/open-html-in-emacs ()
"Open buffer html in Emacs."
(when (find-mode (current-buffer) 'web-mode)
(with-open-file
(file "/tmp/temp-nyxt.html" :direction :output
:if-exists :supersede
:if-does-not-exist :create)
(write-string (ffi-buffer-get-document (current-buffer)) file)))
(eval-in-emacs
`(progn (switch-to-buffer
(get-buffer-create ,(render-url (url (current-buffer)))))
(erase-buffer)
(insert-file-contents-literally "/tmp/temp-nyxt.html")
(html-mode)
(indent-region (point-min) (point-max))))
(delete-file "/tmp/temp-nyxt.html"))
;; from @aartaka https://www.reddit.com/r/Nyxt/comments/ock3tu/is_there_something_like_mx_or_esc_in_nyxt/h3wkipl?utm_source=share&utm_medium=web2x&context=3
`(define-command-global eval-expression ()
"Prompt for the expression and evaluate it, echoing result to the `message-area'."
(let ((expression-string
;; Read an arbitrary expression. No error checking, though.
(first (prompt :prompt "Expression to evaluate"
:sources (list (make-instance 'prompter:raw-source))))))
;; Message the thing to the message-area down below.
(echo "~S" (eval (read-from-string expression-string)))))
`(define-configuration nyxt/web-mode:web-mode
;; Bind eval-expression to M-:, but only in emacs-mode.
((keymap-scheme (let ((scheme %slot-default%))
(keymap:define-key (gethash scheme:emacs scheme)
"M-:" 'eval-expression)
scheme))))
`(defun emacs-with-nyxt-capture-link ()
(let ((url (quri:render-uri (url (current-buffer)))))
(if (str:containsp "youtu" url)
(str:concat
url
"&t="
(write-to-string
(floor
(ffi-buffer-evaluate-javascript (current-buffer)
(ps:ps
(ps:chain document
(get-element-by-id "movie_player")
(get-current-time))))))
"s")
url)))
`(define-command-global org-capture ()
"Org-capture current page."
(eval-in-emacs
`(let ((org-link-parameters
(list (list "nyxt"
:store
(lambda ()
(org-store-link-props
:type "nyxt"
:link ,(emacs-with-nyxt-capture-link)
:description ,(title (current-buffer))))))))
(org-capture nil "wN"))
(echo "Note stored!")))
`(define-command-global org-roam-capture ()
"Org-capture current page."
(let ((quote (%copy))
(link (emacs-with-nyxt-capture-link))
(title (prompt
:input (title (current-buffer))
:prompt "Title of note:"
:sources (list (make-instance 'prompter:raw-source))))
(text (prompt
:input ""
:prompt "Note to take:"
:sources (list (make-instance 'prompter:raw-source)))))
(eval-in-emacs
`(let ((_ (require 'org-roam))
(file (on/make-filepath ,(car title) (current-time))))
(on/insert-org-roam-file
file
,(car title)
nil
(list ,link)
,(car text)
,quote)
(find-file file)
(org-id-get-create)))
(echo "Org Roam Note stored!")))
`(define-configuration nyxt/web-mode:web-mode
;; Bind org-capture to C-o-c, but only in emacs-mode.
((keymap-scheme (let ((scheme %slot-default%))
(keymap:define-key (gethash scheme:emacs scheme)
"C-c o c" 'org-capture)
scheme))))
`(define-configuration nyxt/web-mode:web-mode
;; Bind org-roam-capture to C-c n f, but only in emacs-mode.
((keymap-scheme (let ((scheme %slot-default%))
(keymap:define-key (gethash scheme:emacs scheme)
"C-c n f" 'org-roam-capture)
scheme))))
)
(unless no-maximize
(emacs-with-nyxt-send-sexps
'(toggle-fullscreen))))
(defun emacs-with-nyxt-browse-url-nyxt (url &optional buffer-title)
"Open URL with Nyxt and optionally define BUFFER-TITLE."
(interactive "sURL: ")
(emacs-with-nyxt-send-sexps
(append
(list
'buffer-load
url)
(if buffer-title
`(:buffer (make-buffer :title ,buffer-title))
nil))))
(defun emacs-with-nyxt-close-nyxt-connection ()
"Close Nyxt connection."
(interactive)
(emacs-with-nyxt-send-sexps '(quit)))
(defun browse-url-nyxt (url &optional new-window)
"Browse URL with Nyxt. NEW-WINDOW is ignored."
(interactive "sURL: ")
(unless (emacs-with-nyxt-connected-p) (emacs-with-nyxt-start-and-connect-to-nyxt))
(emacs-with-nyxt-browse-url-nyxt url url))
(defun emacs-with-nyxt-search-first-in-nyxt-current-buffer (string)
"Search current Nyxt buffer for STRING."
(interactive "sString to search: ")
(unless (emacs-with-nyxt-connected-p) (emacs-with-nyxt-start-and-connect-to-nyxt))
(emacs-with-nyxt-send-sexps
`(nyxt/web-mode::highlight-selected-hint
:link-hint
(car (nyxt/web-mode::matches-from-json
(nyxt/web-mode::query-buffer :query ,string)))
:scroll 't)))
(defun emacs-with-nyxt-make-qr-code-of-current-url ()
"Open QR code of current url."
(interactive)
(if (file-exists-p "~/quicklisp/setup.lisp")
(progn
(unless (emacs-with-nyxt-connected-p) (emacs-with-nyxt-start-and-connect-to-nyxt))
(emacs-with-nyxt-send-sexps
'(ql:quickload "cl-qrencode")
'(cl-qrencode:encode-png (quri:render-uri (url (current-buffer))) :fpath "/tmp/qrcode.png"))
(find-file "/tmp/qrcode.png")
(auto-revert-mode))
(error "You cannot use this until you have Quicklisp installed! Check how to do that at: https://www.quicklisp.org/beta/#installation")))
(defun emacs-with-nyxt-get-nyxt-buffers ()
"Return nyxt buffers."
(when (emacs-with-nyxt-connected-p)
(read
(emacs-with-nyxt-send-sexps
'(map 'list (lambda (el) (slot-value el 'title)) (buffer-list))))))
(defun emacs-with-nyxt-nyxt-switch-buffer (&optional title)
"Interactively switch nyxt buffers. If argument is provided switch to buffer with TITLE."
(interactive)
(if (emacs-with-nyxt-connected-p)
(let ((title (or title (completing-read "Title: " (emacs-with-nyxt-get-nyxt-buffers)))))
(emacs-with-nyxt-send-sexps
`(switch-buffer :id (slot-value (find-if #'(lambda (el) (equal (slot-value el 'title) ,title)) (buffer-list)) 'id))))
(error (format "%s is not connected to Nyxt. Run `emacs-with-nyxt-start-and-connect-to-nyxt' first" cl-ide))))
(defun emacs-with-nyxt-get-nyxt-commands ()
"Return nyxt commands."
(when (emacs-with-nyxt-connected-p)
(read
(emacs-with-nyxt-send-sexps
`(let ((commands (make-instance 'command-source)))
(map 'list (lambda (el) (slot-value el 'name)) (funcall (slot-value commands 'prompter:CONSTRUCTOR) commands)))))))
(defun emacs-with-nyxt-nyxt-run-command (&optional command)
"Interactively run nyxt COMMAND."
(interactive)
(if (emacs-with-nyxt-connected-p)
(let ((command (or command (completing-read "Execute command: " (emacs-with-nyxt-get-nyxt-commands)))))
(emacs-with-nyxt-send-sexps `(nyxt::run-async ',(read command))))
(error (format "%s is not connected to Nyxt. Run `emacs-with-nyxt-start-and-connect-to-nyxt' first" cl-ide))))
(defun emacs-with-nyxt-nyxt-take-over-prompt ()
"Take over the nyxt prompt and let Emacs handle completions."
(interactive)
(emacs-with-nyxt-send-sexps
`(progn
(defun flatten (structure)
(cond ((null structure) nil)
((atom structure) (list structure))
(t (mapcan #'flatten structure))))
(defun prompt (&REST args)
(flet ((ensure-sources (specifiers)
(mapcar (lambda (source-specifier)
(cond
((and (symbolp source-specifier)
(c2cl:subclassp source-specifier 'source))
(make-instance source-specifier))
(t source-specifier)))
(uiop:ensure-list specifiers))))
(sleep 0.1)
(let* ((promptstring (list (getf args :prompt)))
(sources (ensure-sources (getf args :sources)))
(names (mapcar (lambda (ol) (slot-value ol 'prompter:attributes)) (flatten (mapcar (lambda (el) (slot-value el 'PROMPTER::INITIAL-SUGGESTIONS)) sources))))
(testing (progn
(setq my-names names)
(setq my-prompt promptstring)))
(completed (read-from-string (eval-in-emacs `(emacs-with-nyxt-nyxt-complete ',promptstring ',names))))
(suggestion
(find-if (lambda (el) (equal completed (slot-value el 'PROMPTER::ATTRIBUTES))) (flatten (mapcar (lambda (el) (slot-value el 'PROMPTER::INITIAL-SUGGESTIONS)) sources))))
(selected-class (find-if (lambda (el) (find suggestion (slot-value el 'PROMPTER::INITIAL-SUGGESTIONS))) sources)))
(if selected-class
(funcall (car (slot-value selected-class 'PROMPTER::ACTIONS)) (list (slot-value suggestion 'PROMPTER:VALUE)))
(funcall (car (slot-value (car sources) 'PROMPTER::ACTIONS)) (list completed)))))))))
(defun emacs-with-nyxt-nyxt-complete (prompt names)
"Completion function for nyxt completion."
(let* ((completions (--map (s-join "\t" (--map (s-join ": " it) it)) names))
(completed-string (completing-read (s-append ": " (car prompt)) completions))
(completed-index (-elem-index completed-string completions)))
(if (numberp completed-index)
(nth completed-index names)
completed-string)))
(defun emacs-with-nyxt-decode-command (encoded)
"Decode an ENCODED link containing some Elisp. This is for the `.ag91' links."
(--> encoded
(s-split "/" it t)
reverse
car
(s-split "\\." it t)
car
base64-decode-string
read
eval))
(provide 'emacs-with-nyxt)
;;; emacs-with-nyxt ends here
;; Local Variables:
;; time-stamp-pattern: "10/Version:\\?[ \t]+1.%02y%02m%02d\\?\n"
;; End: