From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Date: Mon, 21 Jan 2008 09:59:58 +0000 (+0000)
Subject: (struct scroll_bar): New member `redraw_needed_p'.
X-Git-Tag: emacs-pretest-22.1.90~55
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=223b3d1da9d4d73216b3e58f4e8c3d6b2e56739a;p=emacs.git

(struct scroll_bar): New member `redraw_needed_p'.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 1ec2ad7aa85..1c4b08d24d7 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,12 @@
+2008-01-21  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
+
+	* macterm.c (x_scroll_bar_create): Initialize bar->redraw_needed_p.
+	(XTset_vertical_scroll_bar): Redraw scroll bar if bar->redraw_needed_p
+	is set even without positional changes.
+	(x_scroll_bar_clear): Set bar->redraw_needed_p.
+
+	* macterm.h (struct scroll_bar): New member `redraw_needed_p'.
+
 2008-01-19  Kenichi Handa  <handa@m17n.org>
 
 	* coding.c (detect_coding_iso2022): New arg latin_extra_code_state.
diff --git a/src/macterm.h b/src/macterm.h
index e596a148dcd..69d987b0cdc 100644
--- a/src/macterm.h
+++ b/src/macterm.h
@@ -435,6 +435,9 @@ struct scroll_bar {
      being dragged, this is Qnil.  */
   Lisp_Object dragging;
 
+  /* t if redraw needed in the next XTset_vertical_scroll_bar call.  */
+  Lisp_Object redraw_needed_p;
+
 #ifdef USE_TOOLKIT_SCROLL_BARS
   /* The position and size of the scroll bar handle track area in
      pixels, relative to the frame.  */