xref: /openbsd-src/lib/libcurses/base/lib_slkrefr.c (revision bcc05361ef768670d0c5fa5affad379a9b45d34d)
1 /*	$OpenBSD: lib_slkrefr.c,v 1.2 1999/03/11 21:03:56 millert Exp $	*/
2 
3 /****************************************************************************
4  * Copyright (c) 1998 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 1.7 1999/03/03 23:44:22 juergen 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 				{
59 				  if (i < num_labels) {
60 				    TPUTS_TRACE("plab_norm");
61 				    putp(tparm(plab_norm, i+1, slk->win,slk->ent[i].form_text));
62 				  }
63 				}
64 				else
65 				{
66 					wmove(slk->win,SLK_LINES(fmt)-1,slk->ent[i].x);
67 					if (SP && SP->_slk)
68 					  wattrset(slk->win,SP->_slk->attr);
69 					waddnstr(slk->win,slk->ent[i].form_text,
70 						 MAX_SKEY_LEN(fmt));
71 					/* if we simulate SLK's, it's looking much more
72 					   natural to use the current ATTRIBUTE also
73 					   for the label window */
74 					wattrset(slk->win,stdscr->_attrs);
75 				}
76 			}
77 			slk->ent[i].dirty = FALSE;
78 		}
79 	}
80 	slk->dirty = FALSE;
81 
82 	if (num_labels > 0) {
83 	    if (slk->hidden)
84 	    {
85 		TPUTS_TRACE("label_off");
86 		putp(label_off);
87 	    }
88 	    else
89 	    {
90 		TPUTS_TRACE("label_on");
91 		putp(label_on);
92 	    }
93 	}
94 }
95 
96 /*
97  * Refresh the soft labels.
98  */
99 int
100 slk_noutrefresh(void)
101 {
102 	T((T_CALLED("slk_noutrefresh()")));
103 
104 	if (SP == NULL || SP->_slk == NULL)
105 		returnCode(ERR);
106 	if (SP->_slk->hidden)
107 		returnCode(OK);
108 	slk_intern_refresh(SP->_slk);
109 
110 	returnCode(wnoutrefresh(SP->_slk->win));
111 }
112 
113 /*
114  * Refresh the soft labels.
115  */
116 int
117 slk_refresh(void)
118 {
119 	T((T_CALLED("slk_refresh()")));
120 
121 	if (SP == NULL || SP->_slk == NULL)
122 		returnCode(ERR);
123 	if (SP->_slk->hidden)
124 		returnCode(OK);
125 	slk_intern_refresh(SP->_slk);
126 
127 	returnCode(wrefresh(SP->_slk->win));
128 }
129