Fix a bug occurring when editing a tweet from non-managed buffers.

Thanks to mofigan who reported this problem.

* twittering-mode.el: Fix a bug that moves the cursor by calling
`twittering-update-status-interactive' from buffers which are not
managed by `twittering-mode'. Thanks to mofigan who reported this
problem.
(twittering-ensure-whole-of-status-is-visible): do not change
window configuration unless the given window is bound to a buffer
managed by `twittering-mode'.

ChangeLog

@@ -9,6 +9,14 @@
 	prevents Twitter from confusing a username consisting of digits
 	with a user id.
 
+	* twittering-mode.el: Fix a bug that moves the cursor by calling
+	`twittering-update-status-interactive' from buffers which are not
+	managed by `twittering-mode'. Thanks to mofigan who reported this
+	problem.
+	(twittering-ensure-whole-of-status-is-visible): do not change
+	window configuration unless the given window is bound to a buffer
+	managed by `twittering-mode'.
+
 2011-07-20  Tadashi MATSUO  <tad@mymail.twin.jp>
 
 	* twittering-mode.el: Embed another root CA certificate to follow

NEWS

@@ -27,6 +27,12 @@
   been fixed yet because the API for `favorites' has no parameters to
   directly specify a screen name not a user ID.
   Thanks to Makoto Fujiwara who reported this problem.
+* Fix of unintentional cursor motion on editing a tweet.
+  If the current buffer was not managed by `twittering-mode', the
+  cursor of the buffer was moved without intention by calling
+  `twittering-update-status-interactive' from the buffer. The bug has
+  been fixed.
+  Thanks to mofigan who reported this problem.
 
  2.0.0: 2011-04-22
 ------------------

NEWS.ja

@@ -26,6 +26,11 @@
   できていません。「お気に入り」を取得するAPIにユーザIDではなくユーザ
   名を指定するパラメータがないためです。
   Thanks to Makoto Fujiwara who reported this problem.
+* tweet編集バッファを開いた際の意図しないカーソル移動を解消
+  `twittering-mode'で管理されていないバッファから
+  `twittering-update-status-function'を呼び出して編集バッファを作ると
+  元のバッファでのカーソルが不必要に動かされてしまうバグを解消しました。
+  Thanks to mofigan who reported this problem.
 
  2.0.0: 2011-04-22
 ------------------

twittering-mode.el

@@ -7024,13 +7024,15 @@ entry in `twittering-edit-skeleton-alist' are performed.")
 (defun twittering-ensure-whole-of-status-is-visible (&optional window)
   "Ensure that the whole of the tweet on the current point is visible."
   (interactive)
-  (let ((window (or window (selected-window))))
-    (with-current-buffer (window-buffer window)
-      (save-excursion
-	(let* ((next-head (or (twittering-get-next-status-head) (point-max)))
-	       (current-tail (max (1- next-head) (point-min))))
-	  (when (< (window-end window t) current-tail)
-	    (twittering-set-window-end window current-tail)))))))
+  (let* ((window (or window (selected-window)))
+	 (buffer (window-buffer window)))
+    (when (twittering-buffer-p buffer)
+      (with-current-buffer buffer
+	(save-excursion
+	  (let* ((next-head (or (twittering-get-next-status-head) (point-max)))
+		 (current-tail (max (1- next-head) (point-min))))
+	    (when (< (window-end window t) current-tail)
+	      (twittering-set-window-end window current-tail))))))))
 
 (defun twittering-update-status-from-pop-up-buffer (&optional init-str reply-to-id username spec)
   (interactive)