Override n/p in elfeed-show-mode

For prev/next, do not advance after showing the current entry, but do it only
when necessary. This is far less confusing than the original behaviour, when
used in a split setting.

This fixes #13, thanks to @felixpinkert for bringing up the issue.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

README.md

@@ -63,4 +63,4 @@ ones they may have problems with. Consider customising the following faces:
 Copyright & License
 ------------------------
 
-Copyright (c) 2015 Gergely Nagy, released under the terms of the GNU GPLv3+.
+Copyright (c) 2015, 2016 Gergely Nagy, released under the terms of the GNU GPLv3+.

elfeed-goodies-split-pane.el

@@ -1,6 +1,6 @@
 ;;; elfeed-goodies-split-pane.el --- Elfeed goodies: split pane support
 ;;
-;; Copyright (c) 2015 Gergely Nagy
+;; Copyright (c) 2015, 2016 Gergely Nagy
 ;;
 ;; Author: Gergely Nagy
 ;; URL: https://github.com/algernon/elfeed-goodies
@@ -41,6 +41,30 @@
     (kill-buffer buff)
     (delete-window window)))
 
+(defun elfeed-goodies/split-search-show-entry (entry)
+  "Display the currently selected item in a buffer."
+  (interactive (list (elfeed-search-selected :ignore-region)))
+  (when (elfeed-entry-p entry)
+    (elfeed-untag entry 'unread)
+    (elfeed-search-update-entry entry)
+    (elfeed-show-entry entry)))
+
+(defun elfeed-goodies/split-show-next ()
+  "Show the next item in the elfeed-search buffer."
+  (interactive)
+  (funcall elfeed-show-entry-delete)
+  (with-current-buffer (elfeed-search-buffer)
+    (forward-line)
+    (call-interactively #'elfeed-goodies/split-search-show-entry)))
+
+(defun elfeed-goodies/split-show-prev ()
+  "Show the previous item in the elfeed-search buffer."
+  (interactive)
+  (funcall elfeed-show-entry-delete)
+  (with-current-buffer (elfeed-search-buffer)
+    (forward-line -1)
+    (call-interactively #'elfeed-goodiess/split-search-show-entry)))
+
 (provide 'elfeed-goodies-split-pane)
 
 ;;; elfeed-goodies-split-pane.el ends here

elfeed-goodies.el

@@ -1,6 +1,6 @@
 ;;; elfeed-goodies.el --- Elfeed goodies
 ;;
-;; Copyright (c) 2015 Gergely Nagy
+;; Copyright (c) 2015, 2016 Gergely Nagy
 ;;
 ;; Author: Gergely Nagy
 ;; URL: https://github.com/algernon/elfeed-goodies
@@ -74,6 +74,8 @@ utf-8."
         elfeed-search-print-entry-function #'elfeed-goodies/entry-line-draw
         elfeed-show-entry-switch #'elfeed-goodies/switch-pane
         elfeed-show-entry-delete #'elfeed-goodies/delete-pane
-        elfeed-show-refresh-function #'elfeed-goodies/show-refresh--plain))
+        elfeed-show-refresh-function #'elfeed-goodies/show-refresh--plain)
+  (define-key elfeed-show-mode-map "n" #'elfeed-goodies/split-show-next)
+  (define-key elfeed-show-mode-map "p" #'elfeed-goodies/split-show-prev))
 
 ;;; elfeed-goodies.el ends here