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Diffstat (limited to 'lib/libcurses/lib_touch.c')
| -rw-r--r-- | lib/libcurses/lib_touch.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/libcurses/lib_touch.c b/lib/libcurses/lib_touch.c new file mode 100644 index 00000000000..b2b29ac5859 --- /dev/null +++ b/lib/libcurses/lib_touch.c @@ -0,0 +1,64 @@ + +/*************************************************************************** +* COPYRIGHT NOTICE * +**************************************************************************** +* ncurses is copyright (C) 1992-1995 * +* Zeyd M. Ben-Halim * +* zmbenhal@netcom.com * +* Eric S. Raymond * +* esr@snark.thyrsus.com * +* * +* Permission is hereby granted to reproduce and distribute ncurses * +* by any means and for any fee, whether alone or as part of a * +* larger distribution, in source or in binary form, PROVIDED * +* this notice is included with any such distribution, and is not * +* removed from any of its header files. Mention of ncurses in any * +* applications linked with it is highly appreciated. * +* * +* ncurses comes AS IS with no warranty, implied or expressed. * +* * +***************************************************************************/ + +/* +** lib_touch.c +** +** The routines untouchwin(), +** wtouchln(), +** is_linetouched() +** is_wintouched(). +** +*/ + +#include "curses.priv.h" + +int is_linetouched(WINDOW *win, int line) +{ + if (line > win->_maxy || line < 0) + return ERR; + if (win->_line[line].firstchar != _NOCHANGE) return TRUE; + return FALSE; +} + +int is_wintouched(WINDOW *win) +{ +int i; + + for (i = 0; i <= win->_maxy; i++) + if (win->_line[i].firstchar != _NOCHANGE) + return TRUE; + return FALSE; +} + +int wtouchln(WINDOW *win, int y, int n, int changed) +{ +int i; + + T(("wtouchln(%p,%d,%d,%d)", win, y, n, changed)); + + for (i = y; i < y+n; i++) { + win->_line[i].firstchar = changed ? 0 : _NOCHANGE; + win->_line[i].lastchar = changed ? win->_maxx : _NOCHANGE; + } + return OK; +} + |