curs_alecompat(3X) manual page
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curs_alecompat, movenextch, wmovenextch, moveprevch, wmoveprevch,
adjcurspos, wadjcurspos - these functions are added to ALE curses library
for moving the cursor by character.
cc [ flag ... ] file ... -lcurses [
library .. ]
#include <curses.h>
int movenextch(void);
int wmovenextch(WINDOW
*win);
int
moveprevch(void);
int wmoveprevch(WINDOW
*win);
int adjcurspos(void);
int
wadjcurspos(WINDOW
*win);
Unsafe
movenextch()
and wmovenextch() move the cursor to the next character to the right. If
the next character is a multicolumn character, the cursor is positioned
on the first (left-most) column of that character. The new cursor position
will be on the next character, even if the cursor was originally positioned
on the left-most column of a multicolumn character. Note that the simple
cursor increment (++x) does not guarantee movement to the next character,
if the cursor was originally positioned on a multicolumn character. getyx(3X)
can be used to find the new position.
moveprevc() and wmoveprevch() routines
are the opposite of movenextch() and wmovenextch(), moving the cursor
to the left-most column of the previous character.
adjcurspos() and wadjcurspos()
move the cursor to the first(left-most) column of the multicolumn character
that the cursor is presently on. If the cursor is already on the first
column, or if the cursor is on a single-column character, these routines
will have no effect.
All routines return the integer ERR
upon
failure and an integer value other than ERR
upon successful completion.
curses(3X)
, getyx(3X)
The header file <curses.h> automatically
includes the header files <stdio.h> , <unctrl.h> and <widec.h>.
Note that movenextch(),
moveprevch(), and adjcurspos() may be macros.
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