From 57eb2ca1bbb67e7313ab3f9a9dcd93cae617179a Mon Sep 17 00:00:00 2001
From: ueno <ueno>
Date: Mon, 30 Aug 2004 05:40:54 +0000
Subject: [PATCH] * riece-options.el (riece-window-center-line): New user
 option. * riece-misc.el (riece-insert): Check if the
 current point is not visible in the window.

---
 lisp/ChangeLog        |    6 ++++++
 lisp/riece-misc.el    |    5 +++--
 lisp/riece-options.el |    8 ++++++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index cd3e1bc..d96e9f6 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,11 @@
 2004-08-30  Daiki Ueno  <ueno@unixuser.org>
 
+	* riece-options.el (riece-window-center-line): New user option.
+	* riece-misc.el (riece-insert): Check if the current point is not
+	visible in the window.
+
+2004-08-30  Daiki Ueno  <ueno@unixuser.org>
+
 	* riece-misc.el (riece-insert): Don't use 2nd argument WINDOW of
 	recenter since it is not supported by GNU Emacs.
 
diff --git a/lisp/riece-misc.el b/lisp/riece-misc.el
index 2ab9f07..7a264b5 100644
--- a/lisp/riece-misc.el
+++ b/lisp/riece-misc.el
@@ -76,13 +76,14 @@
 	(insert (format-time-string "%H:%M") " " string)
 	(setq point (point))
 	(if (and (not (riece-frozen (current-buffer)))
-		 (setq window (get-buffer-window (current-buffer))))
+		 (setq window (get-buffer-window (current-buffer)))
+		 (not (pos-visible-in-window-p point window)))
 	    (save-excursion		;save-selected-window changes
 					;current buffer
 	      (save-selected-window
 		(select-window window)
 		(goto-char point)	;select-window changes current point
-		(recenter -2))))
+		(recenter riece-window-center-line))))
 	(run-hook-with-args 'riece-after-insert-functions start (point))))
     (setq buffers (cdr buffers))))
 
diff --git a/lisp/riece-options.el b/lisp/riece-options.el
index d7b4cdb..ebabff0 100644
--- a/lisp/riece-options.el
+++ b/lisp/riece-options.el
@@ -70,6 +70,14 @@
   :type 'boolean
   :group 'riece-looks)
 
+(defcustom riece-window-center-line -2
+  "Line number of center point in window when scrolling.
+If nil, erases the entire frame and then redraws with point in the
+center of the window.  Negative means relative to bottom of window.
+See the document of the function `recenter'."
+  :type 'integer
+  :group 'riece-looks)
+
 (defcustom riece-directory (expand-file-name "~/.riece")
   "Where to look for data files."
   :type 'directory
-- 
1.7.10.4