From e73981f7292618adb972b1195944e6b2997ce190 Mon Sep 17 00:00:00 2001
From: jao <jao@gnu.org>
Date: Mon, 23 Aug 2021 02:51:09 +0100
Subject: notmuch: a better way of recovering the w3m keymap

---
 lib/net/jao-notmuch.el | 35 ++++++++++++++---------------------
 1 file changed, 14 insertions(+), 21 deletions(-)

(limited to 'lib/net')

diff --git a/lib/net/jao-notmuch.el b/lib/net/jao-notmuch.el
index d3c7841..316ece4 100644
--- a/lib/net/jao-notmuch.el
+++ b/lib/net/jao-notmuch.el
@@ -25,6 +25,8 @@
 ;;; Code:
 
 (require 'outline)
+(require 'mm-decode)
+(require 'mm-view)
 
 (require 'notmuch)
 (require 'notmuch-tree)
@@ -89,27 +91,13 @@
  jao-notmuch-tree-beginning-of-buffer
  beginning-of-buffer)
 
-(defun jao-notmuch-show-next-button ()
-  (interactive)
-  (when (get-text-property (point) 'w3m-href-anchor)
-    (goto-char (next-single-property-change (point) 'w3m-href-anchor)))
-  (if-let (pos (next-single-property-change (point) 'w3m-href-anchor))
-      (goto-char pos)
-    (forward-button 1)))
-
-(defun jao-notmuch-show-previous-button ()
-  (interactive)
-  (if-let (pos (previous-single-property-change (point) 'w3m-href-anchor))
-      (goto-char (previous-single-property-change pos 'w3m-href-anchor))
-    (backward-button 1)))
-
 (defun jao-notmuch--page-urls (res)
   (save-excursion
     (goto-char (point-min))
     (let ((pos (point)))
       (while (setq pos (next-single-property-change pos 'w3m-href-anchor))
         (when-let ((url (get-text-property pos 'w3m-href-anchor)))
-          (cl-pushnew url res)))
+          (when (stringp url) (cl-pushnew url res :test #'string=))))
       res)))
 
 (defun jao-notmuch-browse-urls (&optional external)
@@ -173,12 +161,17 @@
 
 (add-hook 'notmuch-show-mode-hook #'jao-notmuch--setup-w3m-images)
 
-(defun jao-notmuch-show-ret ()
-  (interactive)
-  (if-let (url (or (get-text-property (point) 'w3m-href-anchor)
-                   (thing-at-point-url-at-point)))
-      (browse-url url)
-    (notmuch-show-toggle-message)))
+;; fix w3m renderer keymap
+(defun jao-w3m-gnus-html-renderer (handle)
+  (let ((w3m-message-silent t)
+        (mm-inline-text-html-with-w3m-keymap t)
+        (mm-w3m-safe-url-regexp nil))
+    (condition-case nil
+        (mm-inline-text-html-render-with-w3m handle)
+      (error (delete-region (point) (point-max))
+             (mm-shr handle)))))
+
+(setq mm-text-html-renderer #'jao-w3m-gnus-html-renderer)
 
 
 ;; Keeping track of unread messages in current tree view
-- 
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