From: Chong Yidong <cyd@stupidchicken.com>
Date: Wed, 16 Jul 2008 17:48:09 +0000 (+0000)
Subject: (move_it_in_display_line): Account for word wrap, so that we don't
X-Git-Tag: emacs-pretest-23.0.90~4129
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=8ee4117341797b62830c474838c376a3ca7d0a5e;p=emacs.git

(move_it_in_display_line): Account for word wrap, so that we don't
move off the line.
---

diff --git a/src/xdisp.c b/src/xdisp.c
index 43cfaee767b..d7b79b527cd 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -7064,7 +7064,25 @@ move_it_in_display_line (struct it *it,
 			 EMACS_INT to_charpos, int to_x,
 			 enum move_operation_enum op)
 {
-  move_it_in_display_line_to (it, to_charpos, to_x, op);
+  if (it->line_wrap == WORD_WRAP
+      && (op & MOVE_TO_X))
+    {
+      struct it save_it = *it;
+      int skip = move_it_in_display_line_to (it, to_charpos, to_x, op);
+      /* When word-wrap is on, TO_X may lie past the end
+	 of a wrapped line.  Then it->current is the
+	 character on the next line, so backtrack to the
+	 space before the wrap point.  */
+      if (skip == MOVE_LINE_CONTINUED)
+	{
+	  int prev_x = max (it->current_x - 1, 0);
+	  *it = save_it;
+	  move_it_in_display_line_to
+	    (it, -1, prev_x, MOVE_TO_X);
+	}
+    }
+  else
+    move_it_in_display_line_to (it, to_charpos, to_x, op);
 }