lib_slkrefr.c

ncurses-5.4

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/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <[e-mail]> 1992,1995               *
 *     and: Eric S. Raymond <[e-mail]>                         *
 ****************************************************************************/

/*
 *	lib_slkrefr.c
 *	Write SLK window to the (virtual) screen.
 */
#include <curses.priv.h>
#include <term.h>		/* num_labels, label_*, plab_norm */

MODULE_ID("$Id: lib_slkrefr.c,v 1.11 2003/03/29 22:53:48 tom Exp $")

/*
 * Write the soft labels to the soft-key window.
 */
static void
slk_intern_refresh(SLK * slk)
{
    int i;
    int fmt = SP->slk_format;

    for (i = 0; i < slk->labcnt; i++) {
	if (slk->dirty || slk->ent[i].dirty) {
	    if (slk->ent[i].visible) {
		if (num_labels > 0 && SLK_STDFMT(fmt)) {
		    if (i < num_labels) {
			TPUTS_TRACE("plab_norm");
			putp(tparm(plab_norm, i + 1, slk->ent[i].form_text));
		    }
		} else {
		    wmove(slk->win, SLK_LINES(fmt) - 1, slk->ent[i].ent_x);
		    if (SP && SP->_slk)
			wattrset(slk->win, SP->_slk->attr);
		    waddnstr(slk->win, slk->ent[i].form_text,
			     MAX_SKEY_LEN(fmt));
		    /* if we simulate SLK's, it's looking much more
		       natural to use the current ATTRIBUTE also
		       for the label window */
		    wattrset(slk->win, stdscr->_attrs);
		}
	    }
	    slk->ent[i].dirty = FALSE;
	}
    }
    slk->dirty = FALSE;

    if (num_labels > 0) {
	if (slk->hidden) {
	    TPUTS_TRACE("label_off");
	    putp(label_off);
	} else {
	    TPUTS_TRACE("label_on");
	    putp(label_on);
	}
    }
}

/*
 * Refresh the soft labels.
 */
NCURSES_EXPORT(int)
slk_noutrefresh(void)
{
    T((T_CALLED("slk_noutrefresh()")));

    if (SP == NULL || SP->_slk == NULL)
	returnCode(ERR);
    if (SP->_slk->hidden)
	returnCode(OK);
    slk_intern_refresh(SP->_slk);

    returnCode(wnoutrefresh(SP->_slk->win));
}

/*
 * Refresh the soft labels.
 */
NCURSES_EXPORT(int)
slk_refresh(void)
{
    T((T_CALLED("slk_refresh()")));

    if (SP == NULL || SP->_slk == NULL)
	returnCode(ERR);
    if (SP->_slk->hidden)
	returnCode(OK);
    slk_intern_refresh(SP->_slk);

    returnCode(wrefresh(SP->_slk->win));
}