1 /****************************************************************************
2 * Copyright (c) 1998,1999 Free Software Foundation, Inc. *
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: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
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. *
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 *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 ****************************************************************************/
39 #include <curses.priv.h>
42 #include <term.h> /* num_labels, label_*, plab_norm */
44 MODULE_ID("$Id: lib_slk.c,v 1.17 1999/10/30 23:00:16 tom Exp $")
47 * We'd like to move these into the screen context structure, but cannot,
48 * because slk_init() is called before initscr()/newterm().
50 int _nc_slk_format = 0; /* one more than format specified in slk_init() */
53 * Paint the info line for the PC style SLK emulation.
57 slk_paint_info(WINDOW *win)
59 if (win && SP->slk_format==4)
63 mvwhline (win,0,0,0,getmaxx(win));
66 for (i = 0; i < SP->_slk->maxlab; i++) {
67 if (win && SP->slk_format==4)
69 mvwaddch(win,0,SP->_slk->ent[i].x,'F');
75 waddch(win,'0' + (i-9));
83 * Initialize soft labels.
84 * Called from newterm()
87 _nc_slk_initialize(WINDOW *stwin, int cols)
93 T(("slk_initialize()"));
96 { /* we did this already, so simply return */
100 if ((SP->_slk = typeCalloc(SLK, 1)) == 0)
103 SP->_slk->ent = NULL;
104 SP->_slk->buffer = NULL;
105 SP->_slk->attr = A_STANDOUT;
107 SP->_slk->maxlab = (num_labels > 0) ?
108 num_labels : MAX_SKEY(_nc_slk_format);
109 SP->_slk->maxlen = (num_labels > 0) ?
110 label_width * label_height : MAX_SKEY_LEN(_nc_slk_format);
111 SP->_slk->labcnt = (SP->_slk->maxlab < MAX_SKEY(_nc_slk_format)) ?
112 MAX_SKEY(_nc_slk_format) : SP->_slk->maxlab;
114 SP->_slk->ent = typeCalloc(slk_ent, SP->_slk->labcnt);
115 if (SP->_slk->ent == NULL)
118 p = SP->_slk->buffer = (char*) calloc(2*SP->_slk->labcnt,(1+SP->_slk->maxlen));
119 if (SP->_slk->buffer == NULL)
122 for (i = 0; i < SP->_slk->labcnt; i++) {
123 SP->_slk->ent[i].text = p;
124 p += (1 + SP->_slk->maxlen);
125 SP->_slk->ent[i].form_text = p;
126 p += (1 + SP->_slk->maxlen);
127 memset(SP->_slk->ent[i].form_text, ' ', (unsigned)(SP->_slk->maxlen));
128 SP->_slk->ent[i].visible = (i < SP->_slk->maxlab);
130 if (_nc_slk_format >= 3) /* PC style */
132 int gap = (cols - 3 * (3 + 4*SP->_slk->maxlen))/2;
137 for (i = x = 0; i < SP->_slk->maxlab; i++) {
138 SP->_slk->ent[i].x = x;
139 x += SP->_slk->maxlen;
140 x += (i==3 || i==7) ? gap : 1;
142 if (_nc_slk_format == 4)
143 slk_paint_info (stwin);
146 if (_nc_slk_format == 2) { /* 4-4 */
147 int gap = cols - (SP->_slk->maxlab * SP->_slk->maxlen) - 6;
151 for (i = x = 0; i < SP->_slk->maxlab; i++) {
152 SP->_slk->ent[i].x = x;
153 x += SP->_slk->maxlen;
154 x += (i == 3) ? gap : 1;
159 if (_nc_slk_format == 1) { /* 1 -> 3-2-3 */
160 int gap = (cols - (SP->_slk->maxlab * SP->_slk->maxlen) - 5) / 2;
164 for (i = x = 0; i < SP->_slk->maxlab; i++) {
165 SP->_slk->ent[i].x = x;
166 x += SP->_slk->maxlen;
167 x += (i == 2 || i == 4) ? gap : 1;
174 SP->_slk->dirty = TRUE;
175 if ((SP->_slk->win = stwin) == NULL)
180 FreeIfNeeded(SP->_slk->buffer);
181 FreeIfNeeded(SP->_slk->ent);
188 /* We now reset the format so that the next newterm has again
189 * per default no SLK keys and may call slk_init again to
190 * define a new layout. (juergen 03-Mar-1999)
192 SP->slk_format = _nc_slk_format;
199 * Restore the soft labels on the screen.
204 T((T_CALLED("slk_restore()")));
206 if (SP->_slk == NULL)
208 SP->_slk->hidden = FALSE;
209 SP->_slk->dirty = TRUE;
210 /* we have to repaint info line eventually */
211 slk_paint_info(SP->_slk->win);
213 returnCode(slk_refresh());