diff options
Diffstat (limited to 'contrib/ncurses/ncurses/base/lib_erase.c')
| -rw-r--r-- | contrib/ncurses/ncurses/base/lib_erase.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/contrib/ncurses/ncurses/base/lib_erase.c b/contrib/ncurses/ncurses/base/lib_erase.c index 5e39731..2566e8b 100644 --- a/contrib/ncurses/ncurses/base/lib_erase.c +++ b/contrib/ncurses/ncurses/base/lib_erase.c @@ -29,6 +29,7 @@ /**************************************************************************** * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * * and: Eric S. Raymond <esr@snark.thyrsus.com> * + * and: Thomas E. Dickey 1996-on * ****************************************************************************/ /* @@ -40,7 +41,7 @@ #include <curses.priv.h> -MODULE_ID("$Id: lib_erase.c,v 1.15 2001/12/19 01:06:13 tom Exp $") +MODULE_ID("$Id: lib_erase.c,v 1.16 2005/10/30 00:36:36 tom Exp $") NCURSES_EXPORT(int) werase(WINDOW *win) @@ -58,6 +59,24 @@ werase(WINDOW *win) start = win->_line[y].text; end = &start[win->_maxx]; + /* + * If this is a derived window, we have to handle the case where + * a multicolumn character extends into the window that we are + * erasing. + */ + if_WIDEC({ + if (isWidecExt(start[0])) { + int x = (win->_parent != 0) ? (win->_begx) : 0; + while (x-- > 0) { + if (isWidecBase(start[-1])) { + --start; + break; + } + --start; + } + } + }); + for (sp = start; sp <= end; sp++) *sp = blank; |
