ncurses 6.2 - patch 20200523

[ncurses.git] / ncurses / base / lib_vline.c

diff --git a/ncurses/base/lib_vline.c b/ncurses/base/lib_vline.c
index bb06e1b94c70cb8a9500e809446aaec6e7029e29..ae4af62b231f03106aac9e73696879746a24d73f 100644 (file)
--- a/ncurses/base/lib_vline.c
+++ b/ncurses/base/lib_vline.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2016 Free Software Foundation, Inc.              *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,6 +30,8 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
+ *     and: Sven Verdoolaege                        2001                    *
  ****************************************************************************/
 
 /*
@@ -40,7 +43,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_vline.c,v 1.13 2016/05/28 23:11:26 tom Exp $")
+MODULE_ID("$Id: lib_vline.c,v 1.15 2020/02/02 23:34:34 tom Exp $")
 
 NCURSES_EXPORT(int)
 wvline(WINDOW *win, chtype ch, int n)
@@ -66,6 +69,14 @@ wvline(WINDOW *win, chtype ch, int n)
 
        while (end >= row) {
            struct ldat *line = &(win->_line[end]);
+#if USE_WIDEC_SUPPORT
+           if (col > 0 && isWidecExt(line->text[col])) {
+               SetChar2(line->text[col - 1], ' ');
+           }
+           if (col < win->_maxx && isWidecExt(line->text[col + 1])) {
+               SetChar2(line->text[col + 1], ' ');
+           }
+#endif
            line->text[col] = wch;
            CHANGED_CELL(line, col);
            end--;