1 /****************************************************************************
2 * Copyright (c) 1998 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 *
25 * sale, use or other dealings in this Software without prior written *
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 1.14 1998/02/11 12:13:56 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; /* 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 && _nc_slk_format==4)
63 mvwhline (win,0,0,0,getmaxx(win));
66 for (i = 0; i < SP->_slk->maxlab; i++) {
67 if (win && _nc_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)
92 T(("slk_initialize()"));
95 { /* we did this already, so simply return */
99 if ((SP->_slk = typeCalloc(SLK, 1)) == 0)
102 SP->_slk->ent = NULL;
103 SP->_slk->buffer = NULL;
104 SP->_slk->attr = A_STANDOUT;
107 SP->_slk->maxlab = (num_labels > 0) ? num_labels : MAX_SKEY;
108 SP->_slk->maxlen = (num_labels > 0) ? label_width * label_height : MAX_SKEY_LEN;
109 SP->_slk->labcnt = (SP->_slk->maxlab < MAX_SKEY) ? MAX_SKEY : SP->_slk->maxlab;
111 SP->_slk->labcnt = SP->_slk->maxlab = MAX_SKEY;
112 SP->_slk->maxlen = MAX_SKEY_LEN;
113 #endif /* num_labels */
115 SP->_slk->ent = typeCalloc(slk_ent, SP->_slk->labcnt);
116 if (SP->_slk->ent == NULL)
119 p = SP->_slk->buffer = (char*) calloc(2*SP->_slk->labcnt,(1+SP->_slk->maxlen));
120 if (SP->_slk->buffer == NULL)
123 for (i = 0; i < SP->_slk->labcnt; i++) {
124 SP->_slk->ent[i].text = p;
125 p += (1 + SP->_slk->maxlen);
126 SP->_slk->ent[i].form_text = p;
127 p += (1 + SP->_slk->maxlen);
128 memset(SP->_slk->ent[i].form_text, ' ', (unsigned)(SP->_slk->maxlen));
129 SP->_slk->ent[i].visible = (i < SP->_slk->maxlab);
131 if (_nc_slk_format >= 3) /* PC style */
133 int gap = (cols - 3 * (3 + 4*SP->_slk->maxlen))/2;
138 for (i = x = 0; i < SP->_slk->maxlab; i++) {
139 SP->_slk->ent[i].x = x;
140 x += SP->_slk->maxlen;
141 x += (i==3 || i==7) ? gap : 1;
143 if (_nc_slk_format == 4)
144 slk_paint_info (stwin);
147 if (_nc_slk_format == 2) { /* 4-4 */
148 int gap = cols - (SP->_slk->maxlab * SP->_slk->maxlen) - 6;
152 for (i = x = 0; i < SP->_slk->maxlab; i++) {
153 SP->_slk->ent[i].x = x;
154 x += SP->_slk->maxlen;
155 x += (i == 3) ? gap : 1;
160 if (_nc_slk_format == 1) { /* 1 -> 3-2-3 */
161 int gap = (cols - (SP->_slk->maxlab * SP->_slk->maxlen) - 5) / 2;
165 for (i = x = 0; i < SP->_slk->maxlab; i++) {
166 SP->_slk->ent[i].x = x;
167 x += SP->_slk->maxlen;
168 x += (i == 2 || i == 4) ? gap : 1;
175 SP->_slk->dirty = TRUE;
176 if ((SP->_slk->win = stwin) == NULL)
181 FreeIfNeeded(SP->_slk->buffer);
182 FreeIfNeeded(SP->_slk->ent);
194 * Restore the soft labels on the screen.
199 T((T_CALLED("slk_restore()")));
201 if (SP->_slk == NULL)
203 SP->_slk->hidden = FALSE;
204 SP->_slk->dirty = TRUE;
205 /* we have to repaint info line eventually */
206 slk_paint_info(SP->_slk->win);
208 returnCode(slk_refresh());