Add nyxt configuration

GNUmakefile

@@ -1,4 +1,4 @@
-MODULES=xmodmap emacs xdg shepherd dunst zsh mcron mbsync
+MODULES=xmodmap emacs xdg shepherd dunst zsh mcron mbsync nyxt
 
 STOW = stow
 EMACS = emacs
@@ -120,6 +120,10 @@ mbsync: mbsync/.config/cron/mbsync.guile
 zsh: zsh/.profile zsh/.zshrc zsh/.zsh/functions/unzip.zwc \
      zsh/.zsh/functions/x-yank.zwc zsh/.zsh/functions/x-copy-region-as-kill.zwc
 
+## Nyxt
+
+nyxt: nyxt/.config/nyxt/init.lisp
+
 ## Helper
 
 %.el: %.org

nyxt/.config/nyxt/init.lisp.org

@@ -0,0 +1,66 @@
+Always restore the previous session when the browser starts.
+
+#+begin_src lisp
+  (define-configuration browser
+    ((session-restore-prompt :always-restore)))
+#+end_src
+
+I want the keys to function more like Emacs, so I enable =emacs-mode= for all buffers. I also want my downloads to go to =~/downloads= instead of =~/Downloads=.
+
+#+begin_src lisp
+  (define-configuration buffer
+      ((default-modes (append '(emacs-mode) %slot-default%))
+       (download-path (make-instance 'data-path :dirname "~/downloads"))
+       ;; Bind org-capture to `C-c o c', but only in emacs-mode.
+       (override-map
+        (let ((map (make-keymap "override-map")))
+          (define-key map "C-c o c" 'org-capture)))))
+#+end_src
+
+Set up capturing URLs with org-capture in Emacs. From https://ag91.github.io/blog/2021/07/09/org-capture-in-nyxt-taking-notes-while-browsing/.
+
+#+begin_src 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))))
+
+(define-command-global org-capture ()
+  "Org-capture current page."
+  (eval-in-emacs
+   `(org-link-set-parameters
+     "nyxt"
+     :store (lambda ()
+              (org-store-link-props
+               :type "nyxt"
+               :link ,(quri:render-uri (url (current-buffer)))
+               :description ,(title (current-buffer)))))
+   `(org-capture nil "U"))
+  (echo "Note stored!"))
+#+end_src
+
+Start Swank so I can connect to it through Emacs.
+
+#+begin_src lisp
+  (start-swank)
+#+end_src