[Emacs-diffs] emacs-24 r117591: Fix display on X of 1-pixel R2L characters.

[Eli Zaretskii]

------------------------------------------------------------
revno: 117591
revision-id: address@hidden
parent: address@hidden
committer: Eli Zaretskii <address@hidden>
branch nick: emacs-24
timestamp: Fri 2014-10-17 09:43:36 +0300
message:
  Fix display on X of 1-pixel R2L characters.
  
   src/xterm.c (x_draw_hollow_cursor): Fix display of hollow cursor on
   1-pixel R2L characters.
   Reported by Dmitry Antipov <address@hidden>, see
   http://lists.gnu.org/archive/html/emacs-devel/2014-10/msg00518.html.
modified:
  src/ChangeLog                  changelog-20091113204419-o5vbwnq5f7feedwu-1438
  src/xterm.c                    xterm.c-20091113204419-o5vbwnq5f7feedwu-244

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2014-10-10 18:02:09 +0000
+++ b/src/ChangeLog     2014-10-17 06:43:36 +0000
@@ -1,3 +1,10 @@
+2014-10-17  Eli Zaretskii  <address@hidden>
+
+       * xterm.c (x_draw_hollow_cursor): Fix display of hollow cursor on
+       1-pixel R2L characters.
+       Reported by Dmitry Antipov <address@hidden>, see
+       http://lists.gnu.org/archive/html/emacs-devel/2014-10/msg00518.html.
+
 2014-10-10  Paul Eggert  <address@hidden>
 
        Fix port to Debian GNU/kFreeBSD 7 (wheezy) (Bug#18666).

=== modified file 'src/xterm.c'
--- a/src/xterm.c       2014-09-16 15:53:36 +0000
+++ b/src/xterm.c       2014-10-17 06:43:36 +0000
@@ -7133,7 +7133,8 @@
       && cursor_glyph->pixel_width > w->phys_cursor_width)
     {
       x += cursor_glyph->pixel_width - w->phys_cursor_width;
-      wd -= 1;
+      if (wd > 0)
+       wd -= 1;
     }
   /* Set clipping, draw the rectangle, and reset clipping again.  */
   x_clip_to_row (w, row, TEXT_AREA, gc);