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1 /****************************************************************************
2  * Copyright (c) 1998-2006,2008 Free Software Foundation, Inc.              *
3  *                                                                          *
4  * Permission is hereby granted, free of charge, to any person obtaining a  *
5  * copy of this software and associated documentation files (the            *
6  * "Software"), to deal in the Software without restriction, including      *
7  * without limitation the rights to use, copy, modify, merge, publish,      *
8  * distribute, distribute with modifications, sublicense, and/or sell       *
9  * copies of the Software, and to permit persons to whom the Software is    *
10  * furnished to do so, subject to the following conditions:                 *
11  *                                                                          *
12  * The above copyright notice and this permission notice shall be included  *
13  * in all copies or substantial portions of the Software.                   *
14  *                                                                          *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22  *                                                                          *
23  * Except as contained in this notice, the name(s) of the above copyright   *
24  * holders shall not be used in advertising or otherwise to promote the     *
25  * sale, use or other dealings in this Software without prior written       *
26  * authorization.                                                           *
27  ****************************************************************************/
28
29 /****************************************************************************
30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
32  *     and: Juergen Pfeifer                         1996-on                 *
33  *     and: Thomas E. Dickey                                                *
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("$Id: lib_slkrefr.c,v 1.17 2008/09/27 14:07:53 juergen Exp $")
44
45 /*
46  * Paint the info line for the PC style SLK emulation.
47  */
48 static void
49 slk_paint_info(WINDOW *win)
50 {
51     SCREEN *sp = _nc_screen_of(win);
52
53     if (win && sp && (sp->slk_format == 4)) {
54         int i;
55
56         mvwhline(win, 0, 0, 0, getmaxx(win));
57         wmove(win, 0, 0);
58
59         for (i = 0; i < sp->_slk->maxlab; i++) {
60             mvwprintw(win, 0, sp->_slk->ent[i].ent_x, "F%d", i + 1);
61         }
62     }
63 }
64
65 /*
66  * Write the soft labels to the soft-key window.
67  */
68 static void
69 slk_intern_refresh(SLK * slk)
70 {
71     int i;
72     int fmt = SP->slk_format;
73
74     for (i = 0; i < slk->labcnt; i++) {
75         if (slk->dirty || slk->ent[i].dirty) {
76             if (slk->ent[i].visible) {
77                 if (num_labels > 0 && SLK_STDFMT(fmt)) {
78                     if (i < num_labels) {
79                         TPUTS_TRACE("plab_norm");
80                         putp(TPARM_2(plab_norm, i + 1, slk->ent[i].form_text));
81                     }
82                 } else {
83                     if (fmt == 4)
84                         slk_paint_info(slk->win);
85                     wmove(slk->win, SLK_LINES(fmt) - 1, slk->ent[i].ent_x);
86                     if (SP->_slk) {
87                         wattrset(slk->win, AttrOf(SP->_slk->attr));
88                     }
89                     waddstr(slk->win, slk->ent[i].form_text);
90                     /* if we simulate SLK's, it's looking much more
91                        natural to use the current ATTRIBUTE also
92                        for the label window */
93                     wattrset(slk->win, WINDOW_ATTRS(stdscr));
94                 }
95             }
96             slk->ent[i].dirty = FALSE;
97         }
98     }
99     slk->dirty = FALSE;
100
101     if (num_labels > 0) {
102         if (slk->hidden) {
103             TPUTS_TRACE("label_off");
104             putp(label_off);
105         } else {
106             TPUTS_TRACE("label_on");
107             putp(label_on);
108         }
109     }
110 }
111
112 /*
113  * Refresh the soft labels.
114  */
115 NCURSES_EXPORT(int)
116 slk_noutrefresh(void)
117 {
118     T((T_CALLED("slk_noutrefresh()")));
119
120     if (SP == NULL || SP->_slk == NULL)
121         returnCode(ERR);
122     if (SP->_slk->hidden)
123         returnCode(OK);
124     slk_intern_refresh(SP->_slk);
125
126     returnCode(wnoutrefresh(SP->_slk->win));
127 }
128
129 /*
130  * Refresh the soft labels.
131  */
132 NCURSES_EXPORT(int)
133 slk_refresh(void)
134 {
135     T((T_CALLED("slk_refresh()")));
136
137     if (SP == NULL || SP->_slk == NULL)
138         returnCode(ERR);
139     if (SP->_slk->hidden)
140         returnCode(OK);
141     slk_intern_refresh(SP->_slk);
142
143     returnCode(wrefresh(SP->_slk->win));
144 }