xref: /openbsd/lib/libcurses/base/lib_slkrefr.c (revision 78b63d65)
1 /*	$OpenBSD: lib_slkrefr.c,v 1.4 2001/01/22 18:01:46 millert Exp $	*/
2 
3 /****************************************************************************
4  * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
9  * without limitation the rights to use, copy, modify, merge, publish,      *
10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
27  * sale, use or other dealings in this Software without prior written       *
28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
33  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34  ****************************************************************************/
35 
36 /*
37  *	lib_slkrefr.c
38  *	Write SLK window to the (virtual) screen.
39  */
40 #include <curses.priv.h>
41 #include <term.h>		/* num_labels, label_*, plab_norm */
42 
43 MODULE_ID("$From: lib_slkrefr.c,v 1.10 2000/12/10 02:43:27 tom Exp $")
44 
45 /*
46  * Write the soft labels to the soft-key window.
47  */
48 static void
49 slk_intern_refresh(SLK * slk)
50 {
51     int i;
52     int fmt = SP->slk_format;
53 
54     for (i = 0; i < slk->labcnt; i++) {
55 	if (slk->dirty || slk->ent[i].dirty) {
56 	    if (slk->ent[i].visible) {
57 		if (num_labels > 0 && SLK_STDFMT(fmt)) {
58 		    if (i < num_labels) {
59 			TPUTS_TRACE("plab_norm");
60 			putp(tparm(plab_norm, i + 1, slk->ent[i].form_text));
61 		    }
62 		} else {
63 		    wmove(slk->win, SLK_LINES(fmt) - 1, slk->ent[i].x);
64 		    if (SP && SP->_slk)
65 			wattrset(slk->win, SP->_slk->attr);
66 		    waddnstr(slk->win, slk->ent[i].form_text,
67 			     MAX_SKEY_LEN(fmt));
68 		    /* if we simulate SLK's, it's looking much more
69 		       natural to use the current ATTRIBUTE also
70 		       for the label window */
71 		    wattrset(slk->win, stdscr->_attrs);
72 		}
73 	    }
74 	    slk->ent[i].dirty = FALSE;
75 	}
76     }
77     slk->dirty = FALSE;
78 
79     if (num_labels > 0) {
80 	if (slk->hidden) {
81 	    TPUTS_TRACE("label_off");
82 	    putp(label_off);
83 	} else {
84 	    TPUTS_TRACE("label_on");
85 	    putp(label_on);
86 	}
87     }
88 }
89 
90 /*
91  * Refresh the soft labels.
92  */
93 NCURSES_EXPORT(int)
94 slk_noutrefresh(void)
95 {
96     T((T_CALLED("slk_noutrefresh()")));
97 
98     if (SP == NULL || SP->_slk == NULL)
99 	returnCode(ERR);
100     if (SP->_slk->hidden)
101 	returnCode(OK);
102     slk_intern_refresh(SP->_slk);
103 
104     returnCode(wnoutrefresh(SP->_slk->win));
105 }
106 
107 /*
108  * Refresh the soft labels.
109  */
110 NCURSES_EXPORT(int)
111 slk_refresh(void)
112 {
113     T((T_CALLED("slk_refresh()")));
114 
115     if (SP == NULL || SP->_slk == NULL)
116 	returnCode(ERR);
117     if (SP->_slk->hidden)
118 	returnCode(OK);
119     slk_intern_refresh(SP->_slk);
120 
121     returnCode(wrefresh(SP->_slk->win));
122 }
123