From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Date: Sat, 24 Feb 2007 02:43:20 +0000 (+0000)
Subject: (struct scroll_bar) [USE_TOOLKIT_SCROLL_BARS]: New
X-Git-Tag: emacs-pretest-22.0.95~138
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=cd2e39625aad9c039347eb048fb41ad7b8ec4b2c;p=emacs.git

(struct scroll_bar) [USE_TOOLKIT_SCROLL_BARS]: New
member `min_handle'.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 303b53a9b50..c7f40ce8100 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,14 @@
+2007-02-24  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
+
+	* macterm.c [USE_TOOLKIT_SCROLL_BARS] (x_scroll_bar_handle_drag)
+	(x_set_toolkit_scroll_bar_thumb): Add bar->min_handle as margin to
+	scroll bar handle size in order to avoid `scroll backward' problem.
+	(x_scroll_bar_create, XTset_vertical_scroll_bar)
+	[USE_TOOLKIT_SCROLL_BARS]: Initialize bar->min_handle.
+
+	* macterm.h (struct scroll_bar) [USE_TOOLKIT_SCROLL_BARS]: New
+	member `min_handle'.
+
 2007-02-23  Kim F. Storm  <storm@cua.dk>
 
 	* print.c (print): Reset print_number_index if Vprint_number_table
diff --git a/src/macterm.h b/src/macterm.h
index d56287c348c..3d0b41f6efe 100644
--- a/src/macterm.h
+++ b/src/macterm.h
@@ -436,6 +436,9 @@ struct scroll_bar {
   /* The position and size of the scroll bar handle track area in
      pixels, relative to the frame.  */
   Lisp_Object track_top, track_height;
+
+  /* Minimum length of the scroll bar handle, in pixels.  */
+  Lisp_Object min_handle;
 #endif
 };