lib_slkrefr.c revision 76726 
1/****************************************************************************
2 * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
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14 *                                                                          *
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28
29/****************************************************************************
30 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
31 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
32 ****************************************************************************/
33
34/*
35 *	lib_slkrefr.c
36 *	Write SLK window to the (virtual) screen.
37 */
38#include <curses.priv.h>
39#include <term.h>		/* num_labels, label_*, plab_norm */
40
41MODULE_ID("$Id: lib_slkrefr.c,v 1.10 2000/12/10 02:43:27 tom Exp $")
42
43/*
44 * Write the soft labels to the soft-key window.
45 */
46static void
47slk_intern_refresh(SLK * slk)
48{
49    int i;
50    int fmt = SP->slk_format;
51
52    for (i = 0; i < slk->labcnt; i++) {
53	if (slk->dirty || slk->ent[i].dirty) {
54	    if (slk->ent[i].visible) {
55		if (num_labels > 0 && SLK_STDFMT(fmt)) {
56		    if (i < num_labels) {
57			TPUTS_TRACE("plab_norm");
58			putp(tparm(plab_norm, i + 1, slk->ent[i].form_text));
59		    }
60		} else {
61		    wmove(slk->win, SLK_LINES(fmt) - 1, slk->ent[i].x);
62		    if (SP && SP->_slk)
63			wattrset(slk->win, SP->_slk->attr);
64		    waddnstr(slk->win, slk->ent[i].form_text,
65			     MAX_SKEY_LEN(fmt));
66		    /* if we simulate SLK's, it's looking much more
67		       natural to use the current ATTRIBUTE also
68		       for the label window */
69		    wattrset(slk->win, stdscr->_attrs);
70		}
71	    }
72	    slk->ent[i].dirty = FALSE;
73	}
74    }
75    slk->dirty = FALSE;
76
77    if (num_labels > 0) {
78	if (slk->hidden) {
79	    TPUTS_TRACE("label_off");
80	    putp(label_off);
81	} else {
82	    TPUTS_TRACE("label_on");
83	    putp(label_on);
84	}
85    }
86}
87
88/*
89 * Refresh the soft labels.
90 */
91NCURSES_EXPORT(int)
92slk_noutrefresh(void)
93{
94    T((T_CALLED("slk_noutrefresh()")));
95
96    if (SP == NULL || SP->_slk == NULL)
97	returnCode(ERR);
98    if (SP->_slk->hidden)
99	returnCode(OK);
100    slk_intern_refresh(SP->_slk);
101
102    returnCode(wnoutrefresh(SP->_slk->win));
103}
104
105/*
106 * Refresh the soft labels.
107 */
108NCURSES_EXPORT(int)
109slk_refresh(void)
110{
111    T((T_CALLED("slk_refresh()")));
112
113    if (SP == NULL || SP->_slk == NULL)
114	returnCode(ERR);
115    if (SP->_slk->hidden)
116	returnCode(OK);
117    slk_intern_refresh(SP->_slk);
118
119    returnCode(wrefresh(SP->_slk->win));
120}
121