elfeed: cleanup and add some feeds

* elfeed-conf.el (elfeed-feeds): Add some feeds of Rust blogs.

(elfeed-search-mode-map, durand-elfeed-show-hook,
 elfeed-show-refresh): Enable olivetti-mode when reading elfeed
 entries, and tell shr to use the appropriate body width when
 rendering HTML content.

(elfeed-display-buffer, durand-elfeed-kill-buffer): Clean something
 up.

1 files changed, 40 insertions, 7 deletions

diff --git a/elfeed-conf.el b/elfeed-conf.el
index a683931..26a5d51 100644
--- a/elfeed-conf.el
+++ b/elfeed-conf.el
@@ -27,6 +27,8 @@
 
 (use-package "elfeed" 'elfeed)
 
+;;; All feeds
+
 (setq elfeed-feeds
       (list (list "https://blog.tanyakhovanova.com/feed/"
                   'math 'khovanova 'blog)
@@ -53,38 +55,65 @@
             ;; (list "https://www.youtube.com/feeds/videos.xml?channel_id=UCiWXd0nmBjlKROwzMyPV-Nw"
             ;;       'zhichi 'youtube)
             (list "https://blog.rust-lang.org/feed.xml"
-                  'rust 'blog)
+                  'rust 'blog 'official)
             (list "https://sachachua.com/blog/feed/"
                   'sacha 'emacs 'blog)
+            (list "https://deterministic.space/feed.xml"
+                  'pascal 'rust 'blog 'fun)
+            (list "https://fasterthanli.me/index.xml"
+                  'amos 'rust 'blog 'lang)
             ;; (list "https://www.youtube.com/feeds/videos.xml?channel_id=UCPtfAE6_21oqjO7Bh2bJcog"
             ;;       'teukkaniikka 'arduino)
             ))
 
-(define-key elfeed-search-mode-map (vector #x78) 'elfeed-search-exit)
-
 ;;; Default search filter
 
 (setq elfeed-search-filter "@6-months-ago +emacs")
 
-;; I still prefer the defaults.
+;;; Show mode hook
+
+(defun durand-elfeed-show-hook (fun &rest arg)
+  "Do some set-ups so that I can be happier."
+  (require 'olivetti)
+  (olivetti-mode 1)
+  (let ((shr-width olivetti-body-width))
+    (apply fun arg)))
+
+(advice-add #'elfeed-show-refresh :around #'durand-elfeed-show-hook)
+
+
+;;; switching and deleting
 
 (setq elfeed-show-entry-switch #'switch-to-buffer)
 (setq elfeed-show-entry-delete #'elfeed-kill-buffer)
 
+;;; A custom buffer displayer, deprecated
+
 ;;;###autoload
 (defun elfeed-display-buffer (buffer)
   "Display BUFFER in the bottom window."
-  (display-buffer buffer
-                  '(display-buffer-reuse-mode-window display-buffer-at-bottom)))
+  (declare (obsolete
+            switch-to-buffer
+            "2022-09-03 20:03:53.599131T+28800"))
+  (display-buffer
+   buffer
+   '(display-buffer-reuse-mode-window display-buffer-at-bottom)))
+
+;;; A custom buffer killer, deprecated
 
 ;;;###autoload
 (defun durand-elfeed-kill-buffer ()
   "Kill the buffer and delete its window."
+  (declare (obsolete
+            elfeed-kill-buffer
+            "2022-09-03 20:07:01.801648T+28800"))
   (kill-buffer (current-buffer))
   (cond
    ((one-window-p))
    ((delete-window (get-buffer-window (current-buffer))))))
 
+;;; Exit elfeed
+
 ;;;###autoload
 (defun elfeed-search-exit ()
   "Save the database, then kill all related buffers."
@@ -97,6 +126,10 @@
              (kill-buffer buffer)))))
    (buffer-list)))
 
+(define-key elfeed-search-mode-map (vector #x78) 'elfeed-search-exit)
+
+;;; Download / play the video in the feed
+
 ;;;###autoload
 (defun durand-elfeed-play-video (process)
   "Play the video file downloaded by PROCESS."
@@ -154,7 +187,7 @@ This informs the user when STATUS is the string \"finished\\n\"."
    ((and (string= status "finished\n")
          (y-or-n-p "Play video?"))
     (durand-elfeed-play-video process))))
-                                     
+
 ;;;###autoload
 (defun durand-eshell-download-filter (process output)
   "Display OUTPUT in the buffer associated with PROCESS.