xref: /openbsd/lib/libcurses/base/lib_slkrefr.c (revision 274d7c50)
1 /* $OpenBSD: lib_slkrefr.c,v 1.5 2010/01/12 23:22:06 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright (c) 1998-2006,2008 Free Software Foundation, Inc.              *
5  *                                                                          *
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7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
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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   *
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27  * sale, use or other dealings in this Software without prior written       *
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30 
31 /****************************************************************************
32  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
33  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34  *     and: Juergen Pfeifer                         1996-on                 *
35  *     and: Thomas E. Dickey                                                *
36  ****************************************************************************/
37 
38 /*
39  *	lib_slkrefr.c
40  *	Write SLK window to the (virtual) screen.
41  */
42 #include <curses.priv.h>
43 #include <term.h>		/* num_labels, label_*, plab_norm */
44 
45 MODULE_ID("$Id: lib_slkrefr.c,v 1.5 2010/01/12 23:22:06 nicm Exp $")
46 
47 /*
48  * Paint the info line for the PC style SLK emulation.
49  */
50 static void
51 slk_paint_info(WINDOW *win)
52 {
53     SCREEN *sp = _nc_screen_of(win);
54 
55     if (win && sp && (sp->slk_format == 4)) {
56 	int i;
57 
58 	mvwhline(win, 0, 0, 0, getmaxx(win));
59 	wmove(win, 0, 0);
60 
61 	for (i = 0; i < sp->_slk->maxlab; i++) {
62 	    mvwprintw(win, 0, sp->_slk->ent[i].ent_x, "F%d", i + 1);
63 	}
64     }
65 }
66 
67 /*
68  * Write the soft labels to the soft-key window.
69  */
70 static void
71 slk_intern_refresh(SLK * slk)
72 {
73     int i;
74     int fmt = SP->slk_format;
75 
76     for (i = 0; i < slk->labcnt; i++) {
77 	if (slk->dirty || slk->ent[i].dirty) {
78 	    if (slk->ent[i].visible) {
79 		if (num_labels > 0 && SLK_STDFMT(fmt)) {
80 		    if (i < num_labels) {
81 			TPUTS_TRACE("plab_norm");
82 			putp(TPARM_2(plab_norm, i + 1, slk->ent[i].form_text));
83 		    }
84 		} else {
85 		    if (fmt == 4)
86 			slk_paint_info(slk->win);
87 		    wmove(slk->win, SLK_LINES(fmt) - 1, slk->ent[i].ent_x);
88 		    if (SP->_slk) {
89 			wattrset(slk->win, AttrOf(SP->_slk->attr));
90 		    }
91 		    waddstr(slk->win, slk->ent[i].form_text);
92 		    /* if we simulate SLK's, it's looking much more
93 		       natural to use the current ATTRIBUTE also
94 		       for the label window */
95 		    wattrset(slk->win, WINDOW_ATTRS(stdscr));
96 		}
97 	    }
98 	    slk->ent[i].dirty = FALSE;
99 	}
100     }
101     slk->dirty = FALSE;
102 
103     if (num_labels > 0) {
104 	if (slk->hidden) {
105 	    TPUTS_TRACE("label_off");
106 	    putp(label_off);
107 	} else {
108 	    TPUTS_TRACE("label_on");
109 	    putp(label_on);
110 	}
111     }
112 }
113 
114 /*
115  * Refresh the soft labels.
116  */
117 NCURSES_EXPORT(int)
118 slk_noutrefresh(void)
119 {
120     T((T_CALLED("slk_noutrefresh()")));
121 
122     if (SP == NULL || SP->_slk == NULL)
123 	returnCode(ERR);
124     if (SP->_slk->hidden)
125 	returnCode(OK);
126     slk_intern_refresh(SP->_slk);
127 
128     returnCode(wnoutrefresh(SP->_slk->win));
129 }
130 
131 /*
132  * Refresh the soft labels.
133  */
134 NCURSES_EXPORT(int)
135 slk_refresh(void)
136 {
137     T((T_CALLED("slk_refresh()")));
138 
139     if (SP == NULL || SP->_slk == NULL)
140 	returnCode(ERR);
141     if (SP->_slk->hidden)
142 	returnCode(OK);
143     slk_intern_refresh(SP->_slk);
144 
145     returnCode(wrefresh(SP->_slk->win));
146 }
147