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slk_attr_off(3) [osf1 man page]

curs_slk(3)						     Library Functions Manual						       curs_slk(3)

curs_slk, slk_attr_off, slk_attr_on, slk_attr_set, slk_attroff, slk_attron, slk_attrset, slk_clear, slk_color, slk_init, slk_label, slk_noutrefresh, slk_refresh, slk_restore, slk_set, slk_wset, slk_touch - Curses soft-label routines SYNOPSIS
#include <curses.h> int slk_attr_off( const attr_t attrs, void *opts ); int slk_attr_on( const attr_t attrs, void *opts ); int slk_attr_set( const attr_t attrs, short color_pair, void *opts ); int slk_attroff( const chtype attrs ); int slk_attron( const chtype attrs ); int slk_attrset( const chtype attrs ); int slk_clear( void ); int slk_color( short color_pair ); int slk_init( int fmt ); char *slk_label( int labnum ); int slk_noutrefresh( void ); int slk_refresh( void ); int slk_restore( void ); int slk_set( int labnum, const char *label, int fmt ); int slk_wset( int labnum, const wchar_t *label, int fmt ); int slk_touch( void ); LIBRARY
Curses Library (libcurses) STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: slk_attr_off, slk_attr_on, slk_attr_set, slk_attroff, slk_attron, slk_attrset, slk_clear, slk_init, slk_label, slk_noutrefresh, slk_refresh, slk_restore, slk_set, slk_wset, slk_touch: XCURSES4.2 Refer to the standards(5) reference page for more information about industry standards and associated tags. DESCRIPTION
Curses manipulates the set of soft function-key labels that exist on many terminals. For those terminals that do not support soft labels, Curses takes over the bottom line of stdscr, reducing the size of stdscr and the variable LINES. Curses standardizes eight labels of up to eight characters each. To use soft labels, applications must call the slk_init routine before calling initscr or newterm. If initscr eventually uses a line from stdscr to emulate the soft labels, then fmt determines how the labels are arranged on the screen. Setting fmt to different values indicates the label arrangement as follows: Indicates a 3-2-3 arrangement. Indicates a 4-4 arrangement. The slk_set and slk_wset routines specify the text of a soft label. The labnum parameter is the label number, with values from 1 to 8. The label parameter contains the string, up to 8 characters in length, to be put on the label. A null string or a null pointer sets up a blank label. The fmt parameter can have the values 0, 1, or 2, to indicate whether the label text is left-justified, centered, or right-justi- fied, respectively, within the label. The slk_refresh and slk_noutrefresh routines correspond to the wrefresh and wnoutrefresh routines but affect labels rather than windows. The slk_label function returns the current label text, stripped of leading and trailing blanks, for the label number labnum. The slk_clear function clears the soft labels from the screen. The slk_restore function restores the soft labels to the screen after an slk_clear operation is performed. The slk_touch function forces all the soft labels to be output the next time a slk_noutrefresh operation is performed. The slk_attron, slk_attrset, and slk_attroff routines correspond to attron, attrset, and attroff, respectively, but have an effect only if soft labels are simulated on the bottom line of the screen. The slk_attr_off, slk_attr_on, and slk_attr_set routines correspond to attr_off, attr_on, and attr_set, respectively, but support the attribute constants with the WA_ prefix. The opts argument is reserved for future use. Currently, the application must provide a null pointer as opts. The slk_color routine corresponds to color_set but has an effect only if soft labels are simulated on the bottom line of the screen. NOTES
The header file <curses.h> automatically includes the header file <stdio.h>. Most applications use slk_noutrefresh because wrefresh is likely to follow soon. Since the number of columns that a wide-character string occupies is codeset specific, applications call wcwidth and wcswidth to check the number of column positions in the string before calling slk_wset. RETURN VALUES
Routines that return an integer return ERR upon failure and OK upon successful completion. The slk_label routine returns NULL on error. SEE ALSO
Functions: curses(3), curs_attr(3), curs_attr_get(3), curs_initscr(3), curs_refresh(3) Others: standards(5) curs_slk(3)
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