[PATCH] notmuch.el: Make notmuch-show buffer name first subject, instead of thread-id (supersedes V1--3)

Sebastian Spaeth Sebastian at SSpaeth.de
Tue Apr 6 00:59:56 PDT 2010


From: Jesse Rosenthal <jrosenthal at jhu.edu>

Change the buffer name to a uniquified subject of the thread (i.e. the
subject of the first message in the thread) instead of the thread-id. This
is more meaningful to the user, and will make it easier to scroll through
numerous open buffers.

Note that this patch adds an optional `buffer-name' argument to notmuch
show.

This version supersedes V1--3 of this patch. It ensures that the buffer
names are unique, and that the `notmuch-show' command can still be used
 interactively (fixing embarassing bugs in V2 and V3 which prevented that)

Signed-off-by: Jesse Rosenthal <jrosenthal at jhu.edu>
Signed-off-by: Sebastian Spaeth <Sebastian at SSpaeth.de>
---
 emacs/notmuch-show.el |   11 ++++++++---
 emacs/notmuch.el      |   14 ++++++++++++--
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index cc1f905..ed95afb 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -959,7 +959,7 @@ All currently available key bindings:
 	  (lambda()
 	    (hl-line-mode 1) ))
 
-(defun notmuch-show (thread-id &optional parent-buffer query-context)
+(defun notmuch-show (thread-id &optional parent-buffer query-context buffer-name)
   "Run \"notmuch show\" with the given thread ID and display results.
 
 The optional PARENT-BUFFER is the notmuch-search buffer from
@@ -967,9 +967,14 @@ which this notmuch-show command was executed, (so that the next
 thread from that buffer can be show when done with this one).
 
 The optional QUERY-CONTEXT is a notmuch search term. Only messages from the thread
-matching this search term are shown if non-nil. "
+matching this search term are shown if non-nil.
+
+The optional BUFFER-NAME provides the neame of the buffer in which the message thread is shown. If it is nil (which occurs when the command is called interactively) the argument to the function is used. "
   (interactive "sNotmuch show: ")
-  (let ((buffer (get-buffer-create (concat "*notmuch-show-" thread-id "*"))))
+  (when (null buffer-name)
+    (setq buffer-name (concat "*notmuch-" thread-id "*")))
+  (let* ((thread-buffer-name (generate-new-buffer-name buffer-name))
+	 (buffer (get-buffer-create thread-buffer-name)))
     (switch-to-buffer buffer)
     (notmuch-show-mode)
     (set (make-local-variable 'notmuch-show-parent-buffer) parent-buffer)
diff --git a/emacs/notmuch.el b/emacs/notmuch.el
index 5e479d6..ca0b6e0 100644
--- a/emacs/notmuch.el
+++ b/emacs/notmuch.el
@@ -404,9 +404,19 @@ Complete list of currently available key bindings:
 (defun notmuch-search-show-thread ()
   "Display the currently selected thread."
   (interactive)
-  (let ((thread-id (notmuch-search-find-thread-id)))
+  (let ((thread-id (notmuch-search-find-thread-id))
+	(subject (notmuch-search-find-subject))
+	buffer-name)
+    (when (string-match "^[ \t]*$" subject)
+      (setq subject "[No Subject]"))
+    (setq buffer-name (concat "*"
+			      (truncate-string-to-width subject 32 nil nil t)
+			      "*"))
     (if (> (length thread-id) 0)
-	(notmuch-show thread-id (current-buffer) notmuch-search-query-string)
+	(notmuch-show thread-id
+		      (current-buffer)
+		      notmuch-search-query-string
+		      buffer-name)
       (error "End of search results"))))
 
 (defun notmuch-search-reply-to-thread ()
-- 
1.6.3.3



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