1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
5 * All rights reserved.
6 *
7 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer as
15 * the first lines of this file unmodified.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #include "opt_syscons.h"
34 #include "opt_teken.h"
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/module.h>
40 #include <sys/consio.h>
41 #include <sys/kbio.h>
42
43 #if defined(__arm__) || defined(__powerpc__)
44 #include <machine/sc_machdep.h>
45 #else
46 #include <machine/pc/display.h>
47 #endif
48
49 #include <dev/syscons/syscons.h>
50
51 #include <teken/teken.h>
52
53 static void scteken_sc_to_te_attr(unsigned char, teken_attr_t *);
54 static int scteken_te_to_sc_attr(const teken_attr_t *);
55
56 static sc_term_init_t scteken_init;
57 static sc_term_term_t scteken_term;
58 static sc_term_puts_t scteken_puts;
59 static sc_term_ioctl_t scteken_ioctl;
60 static sc_term_default_attr_t scteken_default_attr;
61 static sc_term_clear_t scteken_clear;
62 static sc_term_input_t scteken_input;
63 static sc_term_fkeystr_t scteken_fkeystr;
64 static sc_term_sync_t scteken_sync;
65 static void scteken_nop(void);
66
67 typedef struct {
68 teken_t ts_teken;
69 int ts_busy;
70 } teken_stat;
71
72 static teken_stat reserved_teken_stat;
73
74 static void scteken_sync_internal(scr_stat *, teken_stat *);
75
76 static sc_term_sw_t sc_term_scteken = {
77 { NULL, NULL },
78 "scteken", /* emulator name */
79 "teken terminal", /* description */
80 "*", /* matching renderer */
81 sizeof(teken_stat), /* softc size */
82 0,
83 scteken_init,
84 scteken_term,
85 scteken_puts,
86 scteken_ioctl,
87 (sc_term_reset_t *)scteken_nop,
88 scteken_default_attr,
89 scteken_clear,
90 (sc_term_notify_t *)scteken_nop,
91 scteken_input,
92 scteken_fkeystr,
93 scteken_sync,
94 };
95
96 SCTERM_MODULE(scteken, sc_term_scteken);
97
98 static tf_bell_t scteken_bell;
99 static tf_cursor_t scteken_cursor;
100 static tf_putchar_t scteken_putchar;
101 static tf_fill_t scteken_fill;
102 static tf_copy_t scteken_copy;
103 static tf_param_t scteken_param;
104 static tf_respond_t scteken_respond;
105
106 static const teken_funcs_t scteken_funcs = {
107 .tf_bell = scteken_bell,
108 .tf_cursor = scteken_cursor,
109 .tf_putchar = scteken_putchar,
110 .tf_fill = scteken_fill,
111 .tf_copy = scteken_copy,
112 .tf_param = scteken_param,
113 .tf_respond = scteken_respond,
114 };
115
116 static int
scteken_init(scr_stat * scp,void ** softc,int code)117 scteken_init(scr_stat *scp, void **softc, int code)
118 {
119 teken_stat *ts;
120 teken_attr_t ta;
121
122 if (*softc == NULL) {
123 if (reserved_teken_stat.ts_busy)
124 return (EINVAL);
125 *softc = &reserved_teken_stat;
126 }
127 ts = *softc;
128
129 switch (code) {
130 case SC_TE_COLD_INIT:
131 ++sc_term_scteken.te_refcount;
132 ts->ts_busy = 1;
133 /* FALLTHROUGH */
134 case SC_TE_WARM_INIT:
135 ta = *teken_get_defattr(&ts->ts_teken);
136 teken_init(&ts->ts_teken, &scteken_funcs, scp);
137 teken_set_defattr(&ts->ts_teken, &ta);
138 #ifndef TEKEN_UTF8
139 teken_set_8bit(&ts->ts_teken);
140 #endif /* !TEKEN_UTF8 */
141 #ifdef TEKEN_CONS25
142 teken_set_cons25(&ts->ts_teken);
143 #endif /* TEKEN_CONS25 */
144 teken_set_cons25keys(&ts->ts_teken);
145 scteken_sync_internal(scp, ts);
146 break;
147 }
148
149 return (0);
150 }
151
152 static int
scteken_term(scr_stat * scp,void ** softc)153 scteken_term(scr_stat *scp, void **softc)
154 {
155
156 if (*softc == &reserved_teken_stat) {
157 *softc = NULL;
158 reserved_teken_stat.ts_busy = 0;
159 }
160 --sc_term_scteken.te_refcount;
161
162 return (0);
163 }
164
165 static void
scteken_puts(scr_stat * scp,u_char * buf,int len)166 scteken_puts(scr_stat *scp, u_char *buf, int len)
167 {
168 teken_stat *ts = scp->ts;
169
170 scp->sc->write_in_progress++;
171 teken_input(&ts->ts_teken, buf, len);
172 scp->sc->write_in_progress--;
173 }
174
175 static int
scteken_ioctl(scr_stat * scp,struct tty * tp,u_long cmd,caddr_t data,struct thread * td)176 scteken_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data,
177 struct thread *td)
178 {
179 teken_stat *ts = scp->ts;
180 vid_info_t *vi;
181 int attr;
182
183 switch (cmd) {
184 case GIO_ATTR: /* get current attributes */
185 *(int*)data =
186 scteken_te_to_sc_attr(teken_get_curattr(&ts->ts_teken));
187 return (0);
188 case CONS_GETINFO: /* get current (virtual) console info */
189 vi = (vid_info_t *)data;
190 if (vi->size != sizeof(struct vid_info))
191 return EINVAL;
192
193 attr = scteken_te_to_sc_attr(teken_get_defattr(&ts->ts_teken));
194 vi->mv_norm.fore = attr & 0x0f;
195 vi->mv_norm.back = (attr >> 4) & 0x0f;
196 vi->mv_rev.fore = vi->mv_norm.back;
197 vi->mv_rev.back = vi->mv_norm.fore;
198 /*
199 * The other fields are filled by the upper routine. XXX
200 */
201 return (ENOIOCTL);
202 }
203
204 return (ENOIOCTL);
205 }
206
207 static void
scteken_default_attr(scr_stat * scp,int color,int rev_color)208 scteken_default_attr(scr_stat *scp, int color, int rev_color)
209 {
210 teken_stat *ts = scp->ts;
211 teken_attr_t ta;
212
213 scteken_sc_to_te_attr(color, &ta);
214 teken_set_defattr(&ts->ts_teken, &ta);
215 }
216
217 static void
scteken_clear(scr_stat * scp)218 scteken_clear(scr_stat *scp)
219 {
220 teken_stat *ts = scp->ts;
221
222 sc_move_cursor(scp, 0, 0);
223 scteken_sync_internal(scp, ts);
224 sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20],
225 scteken_te_to_sc_attr(teken_get_curattr(&ts->ts_teken))
226 << 8);
227 mark_all(scp);
228 }
229
230 static int
scteken_input(scr_stat * scp,int c,struct tty * tp)231 scteken_input(scr_stat *scp, int c, struct tty *tp)
232 {
233
234 return FALSE;
235 }
236
237 static const char *
scteken_fkeystr(scr_stat * scp,int c)238 scteken_fkeystr(scr_stat *scp, int c)
239 {
240 teken_stat *ts = scp->ts;
241 unsigned int k;
242
243 switch (c) {
244 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3):
245 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6):
246 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9):
247 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12):
248 k = TKEY_F1 + c - (FKEY | F(1));
249 break;
250 case FKEY | F(49):
251 k = TKEY_HOME;
252 break;
253 case FKEY | F(50):
254 k = TKEY_UP;
255 break;
256 case FKEY | F(51):
257 k = TKEY_PAGE_UP;
258 break;
259 case FKEY | F(53):
260 k = TKEY_LEFT;
261 break;
262 case FKEY | F(55):
263 k = TKEY_RIGHT;
264 break;
265 case FKEY | F(57):
266 k = TKEY_END;
267 break;
268 case FKEY | F(58):
269 k = TKEY_DOWN;
270 break;
271 case FKEY | F(59):
272 k = TKEY_PAGE_DOWN;
273 break;
274 case FKEY | F(60):
275 k = TKEY_INSERT;
276 break;
277 case FKEY | F(61):
278 k = TKEY_DELETE;
279 break;
280 default:
281 return (NULL);
282 }
283
284 return (teken_get_sequence(&ts->ts_teken, k));
285 }
286
287 static void
scteken_sync_internal(scr_stat * scp,teken_stat * ts)288 scteken_sync_internal(scr_stat *scp, teken_stat *ts)
289 {
290 teken_pos_t tp;
291
292 tp.tp_col = scp->xsize;
293 tp.tp_row = scp->ysize;
294 teken_set_winsize_noreset(&ts->ts_teken, &tp);
295 tp.tp_col = scp->xpos;
296 tp.tp_row = scp->ypos;
297 teken_set_cursor(&ts->ts_teken, &tp);
298 }
299
300 static void
scteken_sync(scr_stat * scp)301 scteken_sync(scr_stat *scp)
302 {
303 scteken_sync_internal(scp, scp->ts);
304 }
305
306 static void
scteken_nop(void)307 scteken_nop(void)
308 {
309
310 }
311
312 /*
313 * libteken routines.
314 */
315
316 static const teken_color_t sc_to_te_color[] = {
317 TC_BLACK, TC_BLUE, TC_GREEN, TC_CYAN,
318 TC_RED, TC_MAGENTA, TC_YELLOW, TC_WHITE,
319 };
320
321 static const unsigned char te_to_sc_color[] = {
322 FG_BLACK, FG_RED, FG_GREEN, FG_BROWN,
323 FG_BLUE, FG_MAGENTA, FG_CYAN, FG_LIGHTGREY,
324 };
325
326 static void
scteken_sc_to_te_attr(unsigned char color,teken_attr_t * a)327 scteken_sc_to_te_attr(unsigned char color, teken_attr_t *a)
328 {
329
330 /*
331 * Conversions of attrs are not reversible. Since sc attrs are
332 * pure colors in the simplest mode (16-color graphics) and the
333 * API is too deficient to tell us the mode, always convert to
334 * pure colors. The conversion is essentially the identity except
335 * for reordering the non-brightness bits in the 2 color numbers.
336 */
337 a->ta_format = 0;
338 a->ta_fgcolor = sc_to_te_color[color & 7] | (color & 8);
339 a->ta_bgcolor = sc_to_te_color[(color >> 4) & 7] | ((color >> 4) & 8);
340 }
341
342 static int
scteken_te_to_sc_attr(const teken_attr_t * a)343 scteken_te_to_sc_attr(const teken_attr_t *a)
344 {
345 int attr;
346 teken_color_t fg, bg;
347
348 if (a->ta_format & TF_REVERSE) {
349 fg = a->ta_bgcolor;
350 bg = a->ta_fgcolor;
351 } else {
352 fg = a->ta_fgcolor;
353 bg = a->ta_bgcolor;
354 }
355 if (fg >= 16)
356 fg = teken_256to16(fg);
357 if (bg >= 16)
358 bg = teken_256to16(bg);
359 attr = te_to_sc_color[fg & 7] | (fg & 8) |
360 ((te_to_sc_color[bg & 7] | (bg & 8)) << 4);
361
362 /* XXX: underline mapping for Hercules adapter can be better. */
363 if (a->ta_format & (TF_BOLD | TF_UNDERLINE))
364 attr ^= 8;
365 if (a->ta_format & TF_BLINK)
366 attr ^= 0x80;
367
368 return (attr);
369 }
370
371 static void
scteken_bell(void * arg)372 scteken_bell(void *arg)
373 {
374 scr_stat *scp = arg;
375
376 sc_bell(scp, scp->bell_pitch, scp->bell_duration);
377 }
378
379 static void
scteken_cursor(void * arg,const teken_pos_t * p)380 scteken_cursor(void *arg, const teken_pos_t *p)
381 {
382 scr_stat *scp = arg;
383
384 sc_move_cursor(scp, p->tp_col, p->tp_row);
385 }
386
387 #ifdef TEKEN_UTF8
388 struct unicp437 {
389 uint16_t unicode_base;
390 uint8_t cp437_base;
391 uint8_t length;
392 };
393
394 static const struct unicp437 cp437table[] = {
395 { 0x0020, 0x20, 0x5e }, { 0x00a0, 0x20, 0x00 },
396 { 0x00a1, 0xad, 0x00 }, { 0x00a2, 0x9b, 0x00 },
397 { 0x00a3, 0x9c, 0x00 }, { 0x00a5, 0x9d, 0x00 },
398 { 0x00a7, 0x15, 0x00 }, { 0x00aa, 0xa6, 0x00 },
399 { 0x00ab, 0xae, 0x00 }, { 0x00ac, 0xaa, 0x00 },
400 { 0x00b0, 0xf8, 0x00 }, { 0x00b1, 0xf1, 0x00 },
401 { 0x00b2, 0xfd, 0x00 }, { 0x00b5, 0xe6, 0x00 },
402 { 0x00b6, 0x14, 0x00 }, { 0x00b7, 0xfa, 0x00 },
403 { 0x00ba, 0xa7, 0x00 }, { 0x00bb, 0xaf, 0x00 },
404 { 0x00bc, 0xac, 0x00 }, { 0x00bd, 0xab, 0x00 },
405 { 0x00bf, 0xa8, 0x00 }, { 0x00c0, 0x41, 0x00 },
406 { 0x00c1, 0x41, 0x00 }, { 0x00c2, 0x41, 0x00 },
407 { 0x00c4, 0x8e, 0x01 }, { 0x00c6, 0x92, 0x00 },
408 { 0x00c7, 0x80, 0x00 }, { 0x00c8, 0x45, 0x00 },
409 { 0x00c9, 0x90, 0x00 }, { 0x00ca, 0x45, 0x00 },
410 { 0x00cb, 0x45, 0x00 }, { 0x00cc, 0x49, 0x00 },
411 { 0x00cd, 0x49, 0x00 }, { 0x00ce, 0x49, 0x00 },
412 { 0x00cf, 0x49, 0x00 }, { 0x00d1, 0xa5, 0x00 },
413 { 0x00d2, 0x4f, 0x00 }, { 0x00d3, 0x4f, 0x00 },
414 { 0x00d4, 0x4f, 0x00 }, { 0x00d6, 0x99, 0x00 },
415 { 0x00d9, 0x55, 0x00 }, { 0x00da, 0x55, 0x00 },
416 { 0x00db, 0x55, 0x00 }, { 0x00dc, 0x9a, 0x00 },
417 { 0x00df, 0xe1, 0x00 }, { 0x00e0, 0x85, 0x00 },
418 { 0x00e1, 0xa0, 0x00 }, { 0x00e2, 0x83, 0x00 },
419 { 0x00e4, 0x84, 0x00 }, { 0x00e5, 0x86, 0x00 },
420 { 0x00e6, 0x91, 0x00 }, { 0x00e7, 0x87, 0x00 },
421 { 0x00e8, 0x8a, 0x00 }, { 0x00e9, 0x82, 0x00 },
422 { 0x00ea, 0x88, 0x01 }, { 0x00ec, 0x8d, 0x00 },
423 { 0x00ed, 0xa1, 0x00 }, { 0x00ee, 0x8c, 0x00 },
424 { 0x00ef, 0x8b, 0x00 }, { 0x00f0, 0xeb, 0x00 },
425 { 0x00f1, 0xa4, 0x00 }, { 0x00f2, 0x95, 0x00 },
426 { 0x00f3, 0xa2, 0x00 }, { 0x00f4, 0x93, 0x00 },
427 { 0x00f6, 0x94, 0x00 }, { 0x00f7, 0xf6, 0x00 },
428 { 0x00f8, 0xed, 0x00 }, { 0x00f9, 0x97, 0x00 },
429 { 0x00fa, 0xa3, 0x00 }, { 0x00fb, 0x96, 0x00 },
430 { 0x00fc, 0x81, 0x00 }, { 0x00ff, 0x98, 0x00 },
431 { 0x013f, 0x4c, 0x00 }, { 0x0140, 0x6c, 0x00 },
432 { 0x0192, 0x9f, 0x00 }, { 0x0393, 0xe2, 0x00 },
433 { 0x0398, 0xe9, 0x00 }, { 0x03a3, 0xe4, 0x00 },
434 { 0x03a6, 0xe8, 0x00 }, { 0x03a9, 0xea, 0x00 },
435 { 0x03b1, 0xe0, 0x01 }, { 0x03b4, 0xeb, 0x00 },
436 { 0x03b5, 0xee, 0x00 }, { 0x03bc, 0xe6, 0x00 },
437 { 0x03c0, 0xe3, 0x00 }, { 0x03c3, 0xe5, 0x00 },
438 { 0x03c4, 0xe7, 0x00 }, { 0x03c6, 0xed, 0x00 },
439 { 0x03d5, 0xed, 0x00 }, { 0x2010, 0x2d, 0x00 },
440 { 0x2014, 0x2d, 0x00 }, { 0x2018, 0x60, 0x00 },
441 { 0x2019, 0x27, 0x00 }, { 0x201c, 0x22, 0x00 },
442 { 0x201d, 0x22, 0x00 }, { 0x2022, 0x07, 0x00 },
443 { 0x203c, 0x13, 0x00 }, { 0x207f, 0xfc, 0x00 },
444 { 0x20a7, 0x9e, 0x00 }, { 0x20ac, 0xee, 0x00 },
445 { 0x2126, 0xea, 0x00 }, { 0x2190, 0x1b, 0x00 },
446 { 0x2191, 0x18, 0x00 }, { 0x2192, 0x1a, 0x00 },
447 { 0x2193, 0x19, 0x00 }, { 0x2194, 0x1d, 0x00 },
448 { 0x2195, 0x12, 0x00 }, { 0x21a8, 0x17, 0x00 },
449 { 0x2202, 0xeb, 0x00 }, { 0x2208, 0xee, 0x00 },
450 { 0x2211, 0xe4, 0x00 }, { 0x2212, 0x2d, 0x00 },
451 { 0x2219, 0xf9, 0x00 }, { 0x221a, 0xfb, 0x00 },
452 { 0x221e, 0xec, 0x00 }, { 0x221f, 0x1c, 0x00 },
453 { 0x2229, 0xef, 0x00 }, { 0x2248, 0xf7, 0x00 },
454 { 0x2261, 0xf0, 0x00 }, { 0x2264, 0xf3, 0x00 },
455 { 0x2265, 0xf2, 0x00 }, { 0x2302, 0x7f, 0x00 },
456 { 0x2310, 0xa9, 0x00 }, { 0x2320, 0xf4, 0x00 },
457 { 0x2321, 0xf5, 0x00 }, { 0x2500, 0xc4, 0x00 },
458 { 0x2502, 0xb3, 0x00 }, { 0x250c, 0xda, 0x00 },
459 { 0x2510, 0xbf, 0x00 }, { 0x2514, 0xc0, 0x00 },
460 { 0x2518, 0xd9, 0x00 }, { 0x251c, 0xc3, 0x00 },
461 { 0x2524, 0xb4, 0x00 }, { 0x252c, 0xc2, 0x00 },
462 { 0x2534, 0xc1, 0x00 }, { 0x253c, 0xc5, 0x00 },
463 { 0x2550, 0xcd, 0x00 }, { 0x2551, 0xba, 0x00 },
464 { 0x2552, 0xd5, 0x00 }, { 0x2553, 0xd6, 0x00 },
465 { 0x2554, 0xc9, 0x00 }, { 0x2555, 0xb8, 0x00 },
466 { 0x2556, 0xb7, 0x00 }, { 0x2557, 0xbb, 0x00 },
467 { 0x2558, 0xd4, 0x00 }, { 0x2559, 0xd3, 0x00 },
468 { 0x255a, 0xc8, 0x00 }, { 0x255b, 0xbe, 0x00 },
469 { 0x255c, 0xbd, 0x00 }, { 0x255d, 0xbc, 0x00 },
470 { 0x255e, 0xc6, 0x01 }, { 0x2560, 0xcc, 0x00 },
471 { 0x2561, 0xb5, 0x00 }, { 0x2562, 0xb6, 0x00 },
472 { 0x2563, 0xb9, 0x00 }, { 0x2564, 0xd1, 0x01 },
473 { 0x2566, 0xcb, 0x00 }, { 0x2567, 0xcf, 0x00 },
474 { 0x2568, 0xd0, 0x00 }, { 0x2569, 0xca, 0x00 },
475 { 0x256a, 0xd8, 0x00 }, { 0x256b, 0xd7, 0x00 },
476 { 0x256c, 0xce, 0x00 }, { 0x2580, 0xdf, 0x00 },
477 { 0x2584, 0xdc, 0x00 }, { 0x2588, 0xdb, 0x00 },
478 { 0x258c, 0xdd, 0x00 }, { 0x2590, 0xde, 0x00 },
479 { 0x2591, 0xb0, 0x02 }, { 0x25a0, 0xfe, 0x00 },
480 { 0x25ac, 0x16, 0x00 },
481 { 0x25ae, 0xdb, 0x00 }, { 0x25b2, 0x1e, 0x00 },
482 { 0x25ba, 0x10, 0x00 }, { 0x25bc, 0x1f, 0x00 },
483 { 0x25c4, 0x11, 0x00 }, { 0x25cb, 0x09, 0x00 },
484 { 0x25d8, 0x08, 0x00 }, { 0x25d9, 0x0a, 0x00 },
485 { 0x263a, 0x01, 0x01 }, { 0x263c, 0x0f, 0x00 },
486 { 0x2640, 0x0c, 0x00 }, { 0x2642, 0x0b, 0x00 },
487 { 0x2660, 0x06, 0x00 }, { 0x2663, 0x05, 0x00 },
488 { 0x2665, 0x03, 0x01 }, { 0x266a, 0x0d, 0x01 },
489 };
490
491 static void
scteken_get_cp437(teken_char_t * c,int * attr)492 scteken_get_cp437(teken_char_t *c, int *attr)
493 {
494 int min, mid, max;
495
496 min = 0;
497 max = (sizeof(cp437table) / sizeof(struct unicp437)) - 1;
498
499 if (*c < cp437table[0].unicode_base ||
500 *c > cp437table[max].unicode_base + cp437table[max].length)
501 goto bad;
502
503 while (max >= min) {
504 mid = (min + max) / 2;
505 if (*c < cp437table[mid].unicode_base) {
506 max = mid - 1;
507 } else if (*c > cp437table[mid].unicode_base +
508 cp437table[mid].length) {
509 min = mid + 1;
510 } else {
511 *c -= cp437table[mid].unicode_base;
512 *c += cp437table[mid].cp437_base;
513 return;
514 }
515 }
516 bad:
517 /* Character not present in CP437. */
518 *attr = (FG_RED|BG_BLACK) << 8;
519 *c = '?';
520 }
521 #endif /* TEKEN_UTF8 */
522
523 static void
scteken_putchar(void * arg,const teken_pos_t * tp,teken_char_t c,const teken_attr_t * a)524 scteken_putchar(void *arg, const teken_pos_t *tp, teken_char_t c,
525 const teken_attr_t *a)
526 {
527 scr_stat *scp = arg;
528 u_char *map;
529 u_char ch;
530 vm_offset_t p;
531 int cursor, attr;
532
533 /*
534 * No support for printing right hand sides for CJK fullwidth
535 * characters. Simply print a space and assume that the left
536 * hand side describes the entire character.
537 */
538 attr = scteken_te_to_sc_attr(a) << 8;
539 if (a->ta_format & TF_CJK_RIGHT)
540 c = ' ';
541 #ifdef TEKEN_UTF8
542 scteken_get_cp437(&c, &attr);
543 #endif /* TEKEN_UTF8 */
544 ch = c;
545
546 map = scp->sc->scr_map;
547
548 cursor = tp->tp_row * scp->xsize + tp->tp_col;
549 p = sc_vtb_pointer(&scp->vtb, cursor);
550 sc_vtb_putchar(&scp->vtb, p, map[ch], attr);
551
552 mark_for_update(scp, cursor);
553 /*
554 * XXX: Why do we need this? Only marking `cursor' should be
555 * enough. Without this line, we get artifacts.
556 */
557 mark_for_update(scp, imin(cursor + 1, scp->xsize * scp->ysize - 1));
558 }
559
560 static void
scteken_fill(void * arg,const teken_rect_t * r,teken_char_t c,const teken_attr_t * a)561 scteken_fill(void *arg, const teken_rect_t *r, teken_char_t c,
562 const teken_attr_t *a)
563 {
564 scr_stat *scp = arg;
565 u_char *map;
566 u_char ch;
567 unsigned int width;
568 int attr, row;
569
570 attr = scteken_te_to_sc_attr(a) << 8;
571 #ifdef TEKEN_UTF8
572 scteken_get_cp437(&c, &attr);
573 #endif /* TEKEN_UTF8 */
574 ch = c;
575
576 map = scp->sc->scr_map;
577
578 if (r->tr_begin.tp_col == 0 && r->tr_end.tp_col == scp->xsize) {
579 /* Single contiguous region to fill. */
580 sc_vtb_erase(&scp->vtb, r->tr_begin.tp_row * scp->xsize,
581 (r->tr_end.tp_row - r->tr_begin.tp_row) * scp->xsize,
582 map[ch], attr);
583 } else {
584 /* Fill display line by line. */
585 width = r->tr_end.tp_col - r->tr_begin.tp_col;
586
587 for (row = r->tr_begin.tp_row; row < r->tr_end.tp_row; row++) {
588 sc_vtb_erase(&scp->vtb, r->tr_begin.tp_row *
589 scp->xsize + r->tr_begin.tp_col,
590 width, map[ch], attr);
591 }
592 }
593
594 /* Mark begin and end positions to be refreshed. */
595 mark_for_update(scp,
596 r->tr_begin.tp_row * scp->xsize + r->tr_begin.tp_col);
597 mark_for_update(scp,
598 (r->tr_end.tp_row - 1) * scp->xsize + (r->tr_end.tp_col - 1));
599 sc_remove_cutmarking(scp);
600 }
601
602 static void
scteken_copy(void * arg,const teken_rect_t * r,const teken_pos_t * p)603 scteken_copy(void *arg, const teken_rect_t *r, const teken_pos_t *p)
604 {
605 scr_stat *scp = arg;
606 unsigned int width;
607 int src, dst, end;
608
609 #ifndef SC_NO_HISTORY
610 /*
611 * We count a line of input as history if we perform a copy of
612 * one whole line upward. In other words: if a line of text gets
613 * overwritten by a rectangle that's right below it.
614 */
615 if (scp->history != NULL &&
616 r->tr_begin.tp_col == 0 && r->tr_end.tp_col == scp->xsize &&
617 r->tr_begin.tp_row == p->tp_row + 1) {
618 sc_hist_save_one_line(scp, p->tp_row);
619 }
620 #endif
621
622 if (r->tr_begin.tp_col == 0 && r->tr_end.tp_col == scp->xsize) {
623 /* Single contiguous region to copy. */
624 sc_vtb_move(&scp->vtb, r->tr_begin.tp_row * scp->xsize,
625 p->tp_row * scp->xsize,
626 (r->tr_end.tp_row - r->tr_begin.tp_row) * scp->xsize);
627 } else {
628 /* Copy line by line. */
629 width = r->tr_end.tp_col - r->tr_begin.tp_col;
630
631 if (p->tp_row < r->tr_begin.tp_row) {
632 /* Copy from top to bottom. */
633 src = r->tr_begin.tp_row * scp->xsize +
634 r->tr_begin.tp_col;
635 end = r->tr_end.tp_row * scp->xsize +
636 r->tr_end.tp_col;
637 dst = p->tp_row * scp->xsize + p->tp_col;
638
639 while (src < end) {
640 sc_vtb_move(&scp->vtb, src, dst, width);
641
642 src += scp->xsize;
643 dst += scp->xsize;
644 }
645 } else {
646 /* Copy from bottom to top. */
647 src = (r->tr_end.tp_row - 1) * scp->xsize +
648 r->tr_begin.tp_col;
649 end = r->tr_begin.tp_row * scp->xsize +
650 r->tr_begin.tp_col;
651 dst = (p->tp_row + r->tr_end.tp_row -
652 r->tr_begin.tp_row - 1) * scp->xsize + p->tp_col;
653
654 while (src >= end) {
655 sc_vtb_move(&scp->vtb, src, dst, width);
656
657 src -= scp->xsize;
658 dst -= scp->xsize;
659 }
660 }
661 }
662
663 /* Mark begin and end positions to be refreshed. */
664 mark_for_update(scp,
665 p->tp_row * scp->xsize + p->tp_col);
666 mark_for_update(scp,
667 (p->tp_row + r->tr_end.tp_row - r->tr_begin.tp_row - 1) *
668 scp->xsize +
669 (p->tp_col + r->tr_end.tp_col - r->tr_begin.tp_col - 1));
670 sc_remove_cutmarking(scp);
671 }
672
673 static void
scteken_param(void * arg,int cmd,unsigned int value)674 scteken_param(void *arg, int cmd, unsigned int value)
675 {
676 static int cattrs[] = {
677 0, /* block */
678 CONS_BLINK_CURSOR, /* blinking block */
679 CONS_CHAR_CURSOR, /* underline */
680 CONS_CHAR_CURSOR | CONS_BLINK_CURSOR, /* blinking underline */
681 CONS_RESET_CURSOR, /* reset to default */
682 CONS_HIDDEN_CURSOR, /* hide cursor */
683 };
684 static int tcattrs[] = {
685 CONS_RESET_CURSOR | CONS_LOCAL_CURSOR, /* normal */
686 CONS_HIDDEN_CURSOR | CONS_LOCAL_CURSOR, /* invisible */
687 };
688 scr_stat *scp = arg;
689 int flags, n, v0, v1, v2;
690
691 switch (cmd) {
692 case TP_SETBORDER:
693 scp->border = value & 0xff;
694 if (scp == scp->sc->cur_scp)
695 sc_set_border(scp, scp->border);
696 break;
697 case TP_SETGLOBALCURSOR:
698 n = value & 0xff;
699 v0 = (value >> 8) & 0xff;
700 v1 = (value >> 16) & 0xff;
701 v2 = (value >> 24) & 0xff;
702 switch (n) {
703 case 1: /* flags only */
704 if (v0 < sizeof(cattrs) / sizeof(cattrs[0]))
705 v0 = cattrs[v0];
706 else /* backward compatibility */
707 v0 = cattrs[v0 & 0x3];
708 sc_change_cursor_shape(scp, v0, -1, -1);
709 break;
710 case 2:
711 v2 = 0;
712 v0 &= 0x1f; /* backward compatibility */
713 v1 &= 0x1f;
714 /* FALL THROUGH */
715 case 3: /* base and height */
716 if (v2 == 0) /* count from top */
717 sc_change_cursor_shape(scp, -1,
718 scp->font_size - v1 - 1,
719 v1 - v0 + 1);
720 else if (v2 == 1) /* count from bottom */
721 sc_change_cursor_shape(scp, -1,
722 v0, v1 - v0 + 1);
723 break;
724 }
725 break;
726 case TP_SETLOCALCURSOR:
727 if (value < sizeof(tcattrs) / sizeof(tcattrs[0]))
728 sc_change_cursor_shape(scp, tcattrs[value], -1, -1);
729 else if (value == 2) {
730 sc_change_cursor_shape(scp,
731 CONS_RESET_CURSOR | CONS_LOCAL_CURSOR, -1, -1);
732 flags = scp->base_curs_attr.flags ^ CONS_BLINK_CURSOR;
733 sc_change_cursor_shape(scp,
734 flags | CONS_LOCAL_CURSOR, -1, -1);
735 }
736 break;
737 case TP_SHOWCURSOR:
738 if (value != 0)
739 flags = scp->base_curs_attr.flags & ~CONS_HIDDEN_CURSOR;
740 else
741 flags = scp->base_curs_attr.flags | CONS_HIDDEN_CURSOR;
742 sc_change_cursor_shape(scp, flags | CONS_LOCAL_CURSOR, -1, -1);
743 break;
744 case TP_SWITCHVT:
745 sc_switch_scr(scp->sc, value);
746 break;
747 case TP_SETBELLPD:
748 scp->bell_pitch = TP_SETBELLPD_PITCH(value);
749 scp->bell_duration = TP_SETBELLPD_DURATION(value);
750 break;
751 case TP_MOUSE:
752 scp->mouse_level = value;
753 break;
754 }
755 }
756
757 static void
scteken_respond(void * arg,const void * buf,size_t len)758 scteken_respond(void *arg, const void *buf, size_t len)
759 {
760 scr_stat *scp = arg;
761
762 sc_respond(scp, buf, len, 0);
763 }
764