| 1 |
/* |
| 2 |
* Copyright (c) 2021 joshua stein <jcs@jcs.org> |
| 3 |
* |
| 4 |
* Permission to use, copy, modify, and distribute this software for any |
| 5 |
* purpose with or without fee is hereby granted, provided that the above |
| 6 |
* copyright notice and this permission notice appear in all copies. |
| 7 |
* |
| 8 |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 |
*/ |
| 16 |
|
| 17 |
#include <stdio.h> |
| 18 |
#include <string.h> |
| 19 |
|
| 20 |
#include "subtext.h" |
| 21 |
#include "ansi.h" |
| 22 |
#include "console.h" |
| 23 |
#include "focusable.h" |
| 24 |
#include "session.h" |
| 25 |
#include "user.h" |
| 26 |
#include "util.h" |
| 27 |
|
| 28 |
/* for monaco 9 */ |
| 29 |
#define TEXT_FONT monaco |
| 30 |
#define TEXT_SIZE 9 |
| 31 |
#define FONT_WIDTH 6 |
| 32 |
#define FONT_HEIGHT 11 |
| 33 |
|
| 34 |
#define CONSOLE_FORCE_REDRAW 1 |
| 35 |
#define CONSOLE_PADDING 6 |
| 36 |
#define CONSOLE_SMOOTH_SCROLLING 0 |
| 37 |
|
| 38 |
void console_idle(struct focusable *focusable, EventRecord *event); |
| 39 |
void console_close(struct focusable *focusable, EventRecord *event); |
| 40 |
void console_suspend(struct focusable *focusable, EventRecord *event); |
| 41 |
void console_resume(struct focusable *focusable, EventRecord *event); |
| 42 |
void console_update(struct focusable *focusable, EventRecord *event); |
| 43 |
void console_mouse_down(struct focusable *focusable, EventRecord *event); |
| 44 |
void console_key_down(struct focusable *focusable, EventRecord *event); |
| 45 |
|
| 46 |
void console_setup(struct session *session); |
| 47 |
void console_redraw(struct console *console, short force); |
| 48 |
short console_bound(struct console *console); |
| 49 |
void console_erase_chars(struct console *console, short start, short count); |
| 50 |
void console_shift_chars(struct console *console, short start, |
| 51 |
short offset); |
| 52 |
void console_parse_csi(struct console *console); |
| 53 |
|
| 54 |
struct node_funcs console_node_funcs = { |
| 55 |
console_setup, |
| 56 |
console_input, |
| 57 |
console_output, |
| 58 |
console_close_from_session |
| 59 |
}; |
| 60 |
|
| 61 |
struct console * |
| 62 |
console_init(void) |
| 63 |
{ |
| 64 |
char title[64]; |
| 65 |
char *sysop_username = NULL; |
| 66 |
struct console *console; |
| 67 |
struct focusable *focusable; |
| 68 |
Rect bounds; |
| 69 |
short width, height; |
| 70 |
|
| 71 |
console = xmalloczero(sizeof(struct console)); |
| 72 |
if (console == NULL) |
| 73 |
return NULL; |
| 74 |
|
| 75 |
console->session = session_create("console", "console", |
| 76 |
&console_node_funcs); |
| 77 |
if (console->session == NULL) { |
| 78 |
xfree(&console); |
| 79 |
warn("No free nodes for a console"); |
| 80 |
return NULL; |
| 81 |
} |
| 82 |
|
| 83 |
memset(console->chars, ' ', sizeof(console->chars)); |
| 84 |
console->ncolumns = DEFAULT_TERMINAL_COLUMNS; |
| 85 |
console->nlines = DEFAULT_TERMINAL_LINES; |
| 86 |
|
| 87 |
width = CONSOLE_PADDING + (FONT_WIDTH * console->ncolumns) + |
| 88 |
CONSOLE_PADDING; |
| 89 |
height = CONSOLE_PADDING + (FONT_HEIGHT * console->nlines) + |
| 90 |
CONSOLE_PADDING; |
| 91 |
|
| 92 |
bounds.left = (screenBits.bounds.right - width) / 2; |
| 93 |
bounds.right = bounds.left + width; |
| 94 |
bounds.top = GetMBarHeight() + |
| 95 |
((screenBits.bounds.bottom - height) / 2); |
| 96 |
bounds.bottom = bounds.top + height; |
| 97 |
|
| 98 |
snprintf(title, sizeof(title), "%s: %s: console", PROGRAM_NAME, |
| 99 |
db->config.hostname); |
| 100 |
CtoPstr(title); |
| 101 |
|
| 102 |
console->win = NewWindow(0L, &bounds, title, false, noGrowDocProc, |
| 103 |
(WindowPtr)-1L, true, 0); |
| 104 |
if (!console->win) { |
| 105 |
warn("Can't create window"); |
| 106 |
xfree(&console); |
| 107 |
return NULL; |
| 108 |
} |
| 109 |
|
| 110 |
focusable = xmalloczero(sizeof(struct focusable)); |
| 111 |
if (focusable == NULL) { |
| 112 |
xfree(&console); |
| 113 |
return NULL; |
| 114 |
} |
| 115 |
focusable->win = console->win; |
| 116 |
focusable->cookie = console; |
| 117 |
focusable->update = console_update; |
| 118 |
focusable->key_down = console_key_down; |
| 119 |
focusable->close = console_close; |
| 120 |
console->focusable = focusable; |
| 121 |
if (!add_focusable(focusable)) { |
| 122 |
xfree(&console); |
| 123 |
return NULL; |
| 124 |
} |
| 125 |
|
| 126 |
console->session->cookie = (void *)console; |
| 127 |
console->session->vt100 = 1; |
| 128 |
console->session->cp437 = 1; |
| 129 |
console->session->tspeed = 19200; |
| 130 |
|
| 131 |
if ((sysop_username = user_first_sysop_username()) != NULL) { |
| 132 |
strlcpy(console->session->autologin_username, sysop_username, |
| 133 |
sizeof(console->session->autologin_username)); |
| 134 |
xfree(&sysop_username); |
| 135 |
} |
| 136 |
|
| 137 |
return console; |
| 138 |
} |
| 139 |
|
| 140 |
void |
| 141 |
console_idle(struct focusable *focusable, EventRecord *event) |
| 142 |
{ |
| 143 |
struct console *console = (struct console *)focusable->cookie; |
| 144 |
struct session *session = console->session; |
| 145 |
GrafPtr old_port; |
| 146 |
short n, cursor; |
| 147 |
|
| 148 |
if (session->obuflen == 0) |
| 149 |
return; |
| 150 |
|
| 151 |
GetPort(&old_port); |
| 152 |
SetPort(console->win); |
| 153 |
|
| 154 |
/* uncursor */ |
| 155 |
cursor = (console->cursor_line * console->ncolumns) + |
| 156 |
console->cursor_column; |
| 157 |
if (cursor >= sizeof(console->attrs) - 1) |
| 158 |
panic("console_idle: cursor out of bounds!"); |
| 159 |
console->attrs[cursor] &= ~ATTR_CURSOR; |
| 160 |
console->attrs[cursor] |= ATTR_DIRTY; |
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|
| 162 |
for (n = 0; n < session->obuflen; n++) { |
| 163 |
if (console->in_csi) { |
| 164 |
if (session->obuf[n] == '\33' || |
| 165 |
console->csilen >= nitems(console->csi) - 1) { |
| 166 |
console_parse_csi(console); |
| 167 |
console->in_csi = 0; |
| 168 |
console->csi[0] = '\0'; |
| 169 |
console->csilen = 0; |
| 170 |
} else { |
| 171 |
console->csi[console->csilen] = session->obuf[n]; |
| 172 |
console->csilen++; |
| 173 |
console_parse_csi(console); |
| 174 |
} |
| 175 |
|
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continue; |
| 177 |
} |
| 178 |
|
| 179 |
switch (session->obuf[n]) { |
| 180 |
case '\r': |
| 181 |
console->cursor_column = 0; |
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break; |
| 183 |
case '\n': |
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console->cursor_line++; |
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console->cursor_column = 0; /* \r should do this, but JIC */ |
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console_bound(console); |
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break; |
| 188 |
case '\33': /* \e */ |
| 189 |
if (session->obuflen <= n + 1) { |
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/* lone \e at end of buffer, keep it until we see next */ |
| 191 |
session->obuflen = 1; |
| 192 |
session->obuf[0] = '\33'; |
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goto output_done; |
| 194 |
} |
| 195 |
if (session->obuf[n + 1] == '[') { |
| 196 |
console->in_csi = 1; |
| 197 |
n++; |
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continue; |
| 199 |
} |
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/* escape but not CSI, fall through */ |
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default: |
| 202 |
console_bound(console); |
| 203 |
cursor = (console->cursor_line * console->ncolumns) + |
| 204 |
console->cursor_column; |
| 205 |
console->chars[cursor] = session->obuf[n]; |
| 206 |
console->attrs[cursor] = console->cur_attr | ATTR_DIRTY; |
| 207 |
console->cursor_column++; |
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break; |
| 209 |
} |
| 210 |
} |
| 211 |
|
| 212 |
session->obuflen = 0; |
| 213 |
|
| 214 |
output_done: |
| 215 |
console_bound(console); |
| 216 |
console_redraw(console, 0); |
| 217 |
SetPort(old_port); |
| 218 |
} |
| 219 |
|
| 220 |
void |
| 221 |
console_suspend(struct focusable *focusable, EventRecord *event) |
| 222 |
{ |
| 223 |
} |
| 224 |
|
| 225 |
void |
| 226 |
console_resume(struct focusable *focusable, EventRecord *event) |
| 227 |
{ |
| 228 |
} |
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|
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void |
| 231 |
console_update(struct focusable *focusable, EventRecord *event) |
| 232 |
{ |
| 233 |
struct console *console = (struct console *)focusable->cookie; |
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short what = -1; |
| 235 |
|
| 236 |
if (event != NULL) |
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what = event->what; |
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|
| 239 |
switch (what) { |
| 240 |
case -1: |
| 241 |
case updateEvt: |
| 242 |
console_redraw(console, CONSOLE_FORCE_REDRAW); |
| 243 |
break; |
| 244 |
case activateEvt: |
| 245 |
break; |
| 246 |
} |
| 247 |
} |
| 248 |
|
| 249 |
void |
| 250 |
console_mouse_down(struct focusable *focusable, EventRecord *event) |
| 251 |
{ |
| 252 |
} |
| 253 |
|
| 254 |
void |
| 255 |
console_key_down(struct focusable *focusable, EventRecord *event) |
| 256 |
{ |
| 257 |
struct console *console = (struct console *)focusable->cookie; |
| 258 |
unsigned char k; |
| 259 |
|
| 260 |
if (console->session->ibuflen >= nitems(console->session->ibuf)) |
| 261 |
return; |
| 262 |
|
| 263 |
console->session->last_input_at = Time; |
| 264 |
|
| 265 |
k = (event->message & charCodeMask); |
| 266 |
if (event->modifiers & optionKey) { |
| 267 |
/* these are only correct on a US keyboard */ |
| 268 |
switch (k) { |
| 269 |
case 0x8d: /* opt+C */ |
| 270 |
/* ^C */ |
| 271 |
console->session->ibuf[console->session->ibuflen++] = CONTROL_C; |
| 272 |
break; |
| 273 |
case 0xb6: /* opt+D */ |
| 274 |
/* ^D */ |
| 275 |
console->session->ibuf[console->session->ibuflen++] = CONTROL_D; |
| 276 |
break; |
| 277 |
case 0xc2: /* opt+L */ |
| 278 |
console_redraw(console, CONSOLE_FORCE_REDRAW); |
| 279 |
break; |
| 280 |
} |
| 281 |
} else { |
| 282 |
switch (k) { |
| 283 |
case 0x1C: /* left */ |
| 284 |
console->session->ibuf[console->session->ibuflen++] = '\33'; |
| 285 |
console->session->ibuf[console->session->ibuflen++] = '['; |
| 286 |
console->session->ibuf[console->session->ibuflen++] = 'D'; |
| 287 |
break; |
| 288 |
case 0x1D: /* right */ |
| 289 |
console->session->ibuf[console->session->ibuflen++] = '\33'; |
| 290 |
console->session->ibuf[console->session->ibuflen++] = '['; |
| 291 |
console->session->ibuf[console->session->ibuflen++] = 'C'; |
| 292 |
break; |
| 293 |
case 0x1E: /* up */ |
| 294 |
console->session->ibuf[console->session->ibuflen++] = '\33'; |
| 295 |
console->session->ibuf[console->session->ibuflen++] = '['; |
| 296 |
console->session->ibuf[console->session->ibuflen++] = 'A'; |
| 297 |
break; |
| 298 |
case 0x1F: /* down */ |
| 299 |
console->session->ibuf[console->session->ibuflen++] = '\33'; |
| 300 |
console->session->ibuf[console->session->ibuflen++] = '['; |
| 301 |
console->session->ibuf[console->session->ibuflen++] = 'B'; |
| 302 |
break; |
| 303 |
default: |
| 304 |
console->session->ibuf[console->session->ibuflen++] = k; |
| 305 |
if (k == '\r') |
| 306 |
console->session->ibuf[console->session->ibuflen++] = '\n'; |
| 307 |
} |
| 308 |
} |
| 309 |
} |
| 310 |
|
| 311 |
void |
| 312 |
console_close(struct focusable *focusable, EventRecord *event) |
| 313 |
{ |
| 314 |
struct console *console = (struct console *)focusable->cookie; |
| 315 |
console->session->ending = 1; |
| 316 |
} |
| 317 |
|
| 318 |
/* session API */ |
| 319 |
|
| 320 |
void |
| 321 |
console_setup(struct session *session) |
| 322 |
{ |
| 323 |
struct console *console = (struct console *)session->cookie; |
| 324 |
session->terminal_columns = console->ncolumns; |
| 325 |
session->terminal_lines = console->nlines; |
| 326 |
snprintf(session->terminal_type, sizeof(session->terminal_type), |
| 327 |
"vt100"); |
| 328 |
} |
| 329 |
|
| 330 |
short |
| 331 |
console_output(struct session *session) |
| 332 |
{ |
| 333 |
struct console *console = (struct console *)session->cookie; |
| 334 |
console_idle(console->focusable, NULL); |
| 335 |
return 0; |
| 336 |
} |
| 337 |
|
| 338 |
short |
| 339 |
console_input(struct session *session) |
| 340 |
{ |
| 341 |
/* nothing to do here, input is fed from main loop */ |
| 342 |
return 0; |
| 343 |
} |
| 344 |
|
| 345 |
void |
| 346 |
console_close_from_session(struct session *session) |
| 347 |
{ |
| 348 |
struct console *console = (struct console *)session->cookie; |
| 349 |
session_logf(session, "Closing console session"); |
| 350 |
destroy_focusable(console->focusable); |
| 351 |
xfree(&console); |
| 352 |
} |
| 353 |
|
| 354 |
short |
| 355 |
console_bound(struct console *console) |
| 356 |
{ |
| 357 |
unsigned short shift_lines, shift_cols, chars_left, pxout, |
| 358 |
pxout_scroll; |
| 359 |
RgnHandle rgn; |
| 360 |
Rect r, r2; |
| 361 |
GrafPtr old_port; |
| 362 |
short ret = 0, n; |
| 363 |
|
| 364 |
while (console->cursor_column > console->ncolumns) { |
| 365 |
console->cursor_line++; |
| 366 |
console->cursor_column -= console->ncolumns; |
| 367 |
} |
| 368 |
|
| 369 |
if (console->cursor_line >= console->nlines) { |
| 370 |
shift_lines = console->cursor_line - console->nlines + 1; |
| 371 |
shift_cols = shift_lines * console->ncolumns; |
| 372 |
chars_left = (console->nlines * console->ncolumns) - shift_cols; |
| 373 |
pxout = shift_lines * FONT_HEIGHT; |
| 374 |
|
| 375 |
GetPort(&old_port); |
| 376 |
SetPort(console->win); |
| 377 |
rgn = NewRgn(); |
| 378 |
r.left = console->win->portRect.left + CONSOLE_PADDING; |
| 379 |
r.top = console->win->portRect.top + CONSOLE_PADDING; |
| 380 |
r.right = r.left + (console->ncolumns * FONT_WIDTH); |
| 381 |
r.bottom = r.top + ((console->nlines) * FONT_HEIGHT); |
| 382 |
|
| 383 |
n = CONSOLE_SMOOTH_SCROLLING ? CONSOLE_SMOOTH_SCROLLING : pxout; |
| 384 |
pxout_scroll = pxout; |
| 385 |
while (pxout_scroll > 0) { |
| 386 |
if (pxout_scroll < n) |
| 387 |
n = pxout_scroll; |
| 388 |
ScrollRect(&r, 0, -n, rgn); |
| 389 |
r2 = r; |
| 390 |
r2.top = r.bottom - 1; |
| 391 |
r2.bottom = r.top + n; |
| 392 |
FillRect(&r2, white); |
| 393 |
pxout_scroll -= n; |
| 394 |
} |
| 395 |
DisposeRgn(rgn); |
| 396 |
|
| 397 |
BlockMove(console->chars + shift_cols, console->chars, chars_left); |
| 398 |
BlockMove(console->attrs + shift_cols, console->attrs, chars_left); |
| 399 |
memset(console->chars + chars_left, ' ', shift_cols); |
| 400 |
memset(console->attrs + chars_left, console->cur_attr, shift_cols); |
| 401 |
|
| 402 |
SetPort(old_port); |
| 403 |
|
| 404 |
console->cursor_line = console->nlines - 1; |
| 405 |
ret = 1; |
| 406 |
} |
| 407 |
|
| 408 |
return ret; |
| 409 |
} |
| 410 |
|
| 411 |
#define CONSOLE_ATTRS_DRAWABLE (ATTR_REVERSE | ATTR_BOLD | ATTR_DIRTY) |
| 412 |
|
| 413 |
void |
| 414 |
console_redraw(struct console *console, short force) |
| 415 |
{ |
| 416 |
Rect chunk; |
| 417 |
GrafPtr old_port; |
| 418 |
short curbold = -1, line, off, c, firstdirty; |
| 419 |
unsigned char curattr = 0, a; |
| 420 |
|
| 421 |
GetPort(&old_port); |
| 422 |
SetPort(console->win); |
| 423 |
|
| 424 |
TextFont(TEXT_FONT); |
| 425 |
TextSize(TEXT_SIZE); |
| 426 |
|
| 427 |
for (line = 0; line < console->nlines; line++) { |
| 428 |
off = line * console->ncolumns; |
| 429 |
chunk.top = console->win->portRect.top + CONSOLE_PADDING + |
| 430 |
(line * FONT_HEIGHT); |
| 431 |
for (firstdirty = -1, c = 0; c < console->ncolumns; c++) { |
| 432 |
a = console->attrs[off + c] & CONSOLE_ATTRS_DRAWABLE; |
| 433 |
if (!force && !(a & ATTR_DIRTY) && firstdirty == -1) |
| 434 |
continue; |
| 435 |
console->attrs[off + c] &= ~ATTR_DIRTY; |
| 436 |
|
| 437 |
if (c == console->ncolumns - 1) { |
| 438 |
if (firstdirty == -1) |
| 439 |
firstdirty = c; |
| 440 |
} else if (firstdirty == -1) { |
| 441 |
firstdirty = MAX(c - 1, 0); |
| 442 |
curattr = a; |
| 443 |
continue; |
| 444 |
} else if (a == curattr) { |
| 445 |
continue; |
| 446 |
} |
| 447 |
|
| 448 |
/* draw current chunk of dirty chars */ |
| 449 |
chunk.left = console->win->portRect.left + CONSOLE_PADDING + |
| 450 |
(firstdirty * FONT_WIDTH); |
| 451 |
chunk.right = chunk.left + |
| 452 |
((c - firstdirty) * FONT_WIDTH); |
| 453 |
chunk.bottom = chunk.top + FONT_HEIGHT; |
| 454 |
FillRect(&chunk, white); |
| 455 |
|
| 456 |
if (curattr & ATTR_BOLD) { |
| 457 |
if (curbold != 1) { |
| 458 |
TextFace(thePort->txFace | bold | condense); |
| 459 |
curbold = 1; |
| 460 |
} |
| 461 |
} else if (curbold != 0) { |
| 462 |
TextFace(thePort->txFace & ~(bold | condense)); |
| 463 |
curbold = 0; |
| 464 |
} |
| 465 |
MoveTo(chunk.left, chunk.top + FONT_HEIGHT - 2); |
| 466 |
DrawText(console->chars, off + firstdirty, c - firstdirty); |
| 467 |
|
| 468 |
if (curattr & ATTR_REVERSE) |
| 469 |
InvertRect(&chunk); |
| 470 |
|
| 471 |
if (c != console->ncolumns - 1) { |
| 472 |
if (a & ATTR_DIRTY) |
| 473 |
firstdirty = c; |
| 474 |
else |
| 475 |
firstdirty = -1; |
| 476 |
curattr = a; |
| 477 |
} |
| 478 |
} |
| 479 |
} |
| 480 |
|
| 481 |
/* redraw cursor */ |
| 482 |
chunk.top = console->win->portRect.top + CONSOLE_PADDING + |
| 483 |
(console->cursor_line * FONT_HEIGHT); |
| 484 |
chunk.left = console->win->portRect.left + CONSOLE_PADDING + |
| 485 |
(console->cursor_column * FONT_WIDTH); |
| 486 |
chunk.bottom = chunk.top + FONT_HEIGHT; |
| 487 |
chunk.right = chunk.left + FONT_WIDTH; |
| 488 |
InvertRect(&chunk); |
| 489 |
|
| 490 |
ValidRect(&console->win->portRect); |
| 491 |
SetPort(old_port); |
| 492 |
} |
| 493 |
|
| 494 |
void |
| 495 |
console_erase_chars(struct console *console, short start, short count) |
| 496 |
{ |
| 497 |
Rect eraser; |
| 498 |
short start_line, end_line, start_col, end_col, line; |
| 499 |
|
| 500 |
memset(console->chars + start, ' ', count); |
| 501 |
memset(console->attrs + start, console->cur_attr, count); |
| 502 |
|
| 503 |
start_line = start / console->ncolumns; |
| 504 |
start_col = start - (start_line * console->ncolumns); |
| 505 |
end_line = (start + count) / console->ncolumns; |
| 506 |
end_col = start + count - (end_line * console->ncolumns); |
| 507 |
|
| 508 |
for (line = start_line; line <= end_line; line++) { |
| 509 |
eraser.top = console->win->portRect.top + CONSOLE_PADDING + |
| 510 |
(line * FONT_HEIGHT); |
| 511 |
eraser.left = console->win->portRect.left + CONSOLE_PADDING; |
| 512 |
if (line == start_line) |
| 513 |
eraser.left += start_col * FONT_WIDTH; |
| 514 |
eraser.bottom = eraser.top + FONT_HEIGHT; |
| 515 |
if (line == end_line) |
| 516 |
eraser.right = eraser.left + (end_col * FONT_WIDTH); |
| 517 |
else |
| 518 |
eraser.right = eraser.left + (console->ncolumns * FONT_WIDTH); |
| 519 |
FillRect(&eraser, |
| 520 |
(console->cur_attr & ATTR_REVERSE) ? black : white); |
| 521 |
} |
| 522 |
} |
| 523 |
|
| 524 |
void |
| 525 |
console_shift_chars(struct console *console, short start, short offset) |
| 526 |
{ |
| 527 |
Rect mover; |
| 528 |
RgnHandle rgn; |
| 529 |
short count; |
| 530 |
|
| 531 |
/* XXX: this currently only works on whole lines */ |
| 532 |
|
| 533 |
/* move all chars at start by offset, overwriting what's there */ |
| 534 |
count = (console->ncolumns * console->nlines) - start; |
| 535 |
if (start + offset + count > sizeof(console->chars)) |
| 536 |
/* inserting lines, losing trailing lines */ |
| 537 |
count = sizeof(console->chars) - start - offset; |
| 538 |
memmove(console->chars + start + offset, console->chars + start, |
| 539 |
count); |
| 540 |
memmove(console->attrs + start + offset, console->attrs + start, |
| 541 |
count); |
| 542 |
|
| 543 |
if (start % console->ncolumns != 0) |
| 544 |
warn("TODO partial console_shift_chars"); |
| 545 |
if (offset % console->ncolumns != 0) |
| 546 |
warn("TODO partial console_shift_chars"); |
| 547 |
|
| 548 |
rgn = NewRgn(); |
| 549 |
mover.top = console->win->portRect.top + CONSOLE_PADDING + |
| 550 |
((start / console->ncolumns) * FONT_HEIGHT); |
| 551 |
if (offset < 0) |
| 552 |
mover.top -= FONT_HEIGHT; |
| 553 |
mover.left = console->win->portRect.left + CONSOLE_PADDING; |
| 554 |
mover.bottom = mover.top + (FONT_HEIGHT * ((count / console->ncolumns) + 1)); |
| 555 |
mover.right = mover.left + (FONT_WIDTH * console->ncolumns); |
| 556 |
ScrollRect(&mover, 0, (offset / console->ncolumns) * FONT_HEIGHT, rgn); |
| 557 |
DisposeRgn(rgn); |
| 558 |
} |
| 559 |
|
| 560 |
void |
| 561 |
console_parse_csi(struct console *console) |
| 562 |
{ |
| 563 |
short x, y; |
| 564 |
long cursor; |
| 565 |
short serviced = 0; |
| 566 |
short param1 = -1, param2 = -1; |
| 567 |
short parambuflen; |
| 568 |
short start, count, offset; |
| 569 |
struct session *session; |
| 570 |
char parambuf[5]; |
| 571 |
unsigned char c; |
| 572 |
|
| 573 |
if (console->csilen == 0) |
| 574 |
return; |
| 575 |
|
| 576 |
c = console->csi[console->csilen - 1]; |
| 577 |
|
| 578 |
if (c < 'A' || (c > 'Z' && c < 'a') || c > 'z') |
| 579 |
return; |
| 580 |
|
| 581 |
switch (c) { |
| 582 |
case 'A': |
| 583 |
case 'B': |
| 584 |
case 'C': |
| 585 |
case 'D': |
| 586 |
case 'E': |
| 587 |
case 'F': |
| 588 |
case 'G': |
| 589 |
case 'I': |
| 590 |
case 'J': |
| 591 |
case 'K': |
| 592 |
case 'L': |
| 593 |
case 'M': |
| 594 |
case 'S': |
| 595 |
case 'T': |
| 596 |
case 'd': |
| 597 |
case 'g': |
| 598 |
case 'n': |
| 599 |
case 's': |
| 600 |
case 'u': |
| 601 |
case '7': |
| 602 |
case '8': |
| 603 |
/* optional multiplier */ |
| 604 |
if (c == 'J' || c == 'K') |
| 605 |
param1 = 0; |
| 606 |
else |
| 607 |
param1 = 1; |
| 608 |
|
| 609 |
if (console->csilen > 1) { |
| 610 |
for (x = 0; x < console->csilen - 1 && |
| 611 |
x < nitems(parambuf) - 1; x++) { |
| 612 |
parambuf[x] = console->csi[x]; |
| 613 |
parambuf[x + 1] = '\0'; |
| 614 |
} |
| 615 |
param1 = atoi(parambuf); |
| 616 |
} |
| 617 |
break; |
| 618 |
case 'H': |
| 619 |
case 'f': |
| 620 |
/* two optional parameters separated by ; each defaulting to 1 */ |
| 621 |
param1 = 1; |
| 622 |
param2 = 1; |
| 623 |
|
| 624 |
y = -1; |
| 625 |
for (x = 0; x < console->csilen; x++) { |
| 626 |
if (console->csi[x] == ';') { |
| 627 |
y = x; |
| 628 |
break; |
| 629 |
} |
| 630 |
} |
| 631 |
if (y == -1) |
| 632 |
/* CSI 17H -> CSI 17; */ |
| 633 |
y = console->csilen - 1; |
| 634 |
|
| 635 |
if (y > 0) { |
| 636 |
for (x = 0; x < y && x < nitems(parambuf) - 1; x++) { |
| 637 |
parambuf[x] = console->csi[x]; |
| 638 |
parambuf[x + 1] = '\0'; |
| 639 |
} |
| 640 |
param1 = atoi(parambuf); |
| 641 |
|
| 642 |
if (y < console->csilen - 2) { |
| 643 |
parambuf[0] = '\0'; |
| 644 |
for (x = 0; x < (console->csilen - 1 - y) && |
| 645 |
x < nitems(parambuf) - 1; x++) { |
| 646 |
parambuf[x] = console->csi[y + 1 + x]; |
| 647 |
parambuf[x + 1] = '\0'; |
| 648 |
} |
| 649 |
param2 = atoi(parambuf); |
| 650 |
} |
| 651 |
} |
| 652 |
break; |
| 653 |
} |
| 654 |
|
| 655 |
serviced = 1; |
| 656 |
|
| 657 |
/* uncursor */ |
| 658 |
cursor = (console->cursor_line * console->ncolumns) + |
| 659 |
console->cursor_column; |
| 660 |
console->attrs[cursor] &= ~ATTR_CURSOR; |
| 661 |
console->attrs[cursor] |= ATTR_DIRTY; |
| 662 |
|
| 663 |
switch (c) { |
| 664 |
case 'A': /* CUU - cursor up, stop at top of screen */ |
| 665 |
console->cursor_line = MAX(0, console->cursor_line - param1); |
| 666 |
break; |
| 667 |
case 'B': /* CUD - cursor down, stop at bottom of screen */ |
| 668 |
console->cursor_line = MIN(console->nlines - 1, |
| 669 |
console->cursor_line + param1); |
| 670 |
break; |
| 671 |
case 'C': /* CUF - cursor forward, stop at screen edge */ |
| 672 |
console->cursor_column = MIN(console->ncolumns - 1, |
| 673 |
console->cursor_column + param1); |
| 674 |
break; |
| 675 |
case 'D': /* CUB - cursor back, stop at left edge of screen */ |
| 676 |
console->cursor_column = MAX(0, console->cursor_column - param1); |
| 677 |
break; |
| 678 |
case 'E': /* CNL - cursor next line */ |
| 679 |
console->cursor_column = 0; |
| 680 |
console->cursor_line = MAX(console->nlines - 1, |
| 681 |
console->cursor_line + param1); |
| 682 |
break; |
| 683 |
case 'F': /* CPL - cursor previous line */ |
| 684 |
console->cursor_column = 0; |
| 685 |
console->cursor_line = MAX(0, console->cursor_line - param1); |
| 686 |
break; |
| 687 |
case 'G': /* CHA - cursor horizontal absolute */ |
| 688 |
console->cursor_column = BOUND(param1, 0, console->ncolumns - 1); |
| 689 |
break; |
| 690 |
case 'H': /* CUP - cursor absolute position */ |
| 691 |
case 'f': /* HVP - horizontal vertical position */ |
| 692 |
if (param1 - 1 < 0) |
| 693 |
console->cursor_line = 0; |
| 694 |
else if (param1 > console->nlines) |
| 695 |
console->cursor_line = console->nlines - 1; |
| 696 |
else |
| 697 |
console->cursor_line = param1 - 1; |
| 698 |
|
| 699 |
if (param2 - 1 < 0) |
| 700 |
console->cursor_column = 0; |
| 701 |
else if (param2 > console->ncolumns) |
| 702 |
console->cursor_column = console->ncolumns - 1; |
| 703 |
else |
| 704 |
console->cursor_column = param2 - 1; |
| 705 |
break; |
| 706 |
case 'J': /* ED - erase in display */ |
| 707 |
switch (param1) { |
| 708 |
case 0: |
| 709 |
/* clear from cursor (inclusive) to end of screen */ |
| 710 |
start = (console->cursor_line * console->ncolumns) + |
| 711 |
console->cursor_column; |
| 712 |
count = (console->ncolumns * console->nlines) - start; |
| 713 |
console_erase_chars(console, start, count); |
| 714 |
break; |
| 715 |
case 1: |
| 716 |
/* clear from cursor to beginning of the screen */ |
| 717 |
start = 0; |
| 718 |
count = (console->cursor_line * console->ncolumns) + |
| 719 |
console->cursor_column; |
| 720 |
console_erase_chars(console, start, count); |
| 721 |
break; |
| 722 |
case 2: |
| 723 |
/* clear entire screen, mark everything clean */ |
| 724 |
start = 0; |
| 725 |
count = console->ncolumns * console->nlines; |
| 726 |
console_erase_chars(console, start, count); |
| 727 |
break; |
| 728 |
} |
| 729 |
break; |
| 730 |
case 'K': /* EL - erase in line */ |
| 731 |
switch (param1) { |
| 732 |
case 0: |
| 733 |
/* clear from cursor to end of line */ |
| 734 |
start = (console->cursor_line * console->ncolumns) + |
| 735 |
console->cursor_column; |
| 736 |
count = console->ncolumns - console->cursor_column; |
| 737 |
console_erase_chars(console, start, count); |
| 738 |
break; |
| 739 |
case 1: |
| 740 |
/* clear from cursor to beginning of line */ |
| 741 |
start = (console->cursor_line * console->ncolumns); |
| 742 |
count = console->ncolumns - console->cursor_column; |
| 743 |
console_erase_chars(console, start, count); |
| 744 |
break; |
| 745 |
case 2: |
| 746 |
/* clear entire line */ |
| 747 |
start = (console->cursor_line * console->ncolumns); |
| 748 |
count = console->ncolumns; |
| 749 |
console_erase_chars(console, start, count); |
| 750 |
break; |
| 751 |
} |
| 752 |
break; |
| 753 |
case 'L': /* IL - insert line */ |
| 754 |
param1 = BOUND(param1, 0, console->nlines - console->cursor_line); |
| 755 |
if (param1 == 0) |
| 756 |
break; |
| 757 |
if (console->cursor_line != console->nlines - 1) { |
| 758 |
/* shift lines down to insert new ones */ |
| 759 |
start = console->ncolumns * console->cursor_line; |
| 760 |
offset = console->ncolumns * param1; |
| 761 |
console_shift_chars(console, start, offset); |
| 762 |
} |
| 763 |
/* clear new lines at cursor line */ |
| 764 |
start = console->ncolumns * console->cursor_line; |
| 765 |
count = console->ncolumns * param1; |
| 766 |
console_erase_chars(console, start, count); |
| 767 |
break; |
| 768 |
case 'M': /* DL - delete line */ |
| 769 |
param1 = BOUND(param1, 0, console->nlines - console->cursor_line); |
| 770 |
if (param1 == 0) |
| 771 |
break; |
| 772 |
if (console->cursor_line != console->nlines - 1) { |
| 773 |
start = console->ncolumns * (console->cursor_line + param1); |
| 774 |
offset = console->ncolumns * -param1; |
| 775 |
console_shift_chars(console, start, offset); |
| 776 |
} |
| 777 |
/* fill in new blank lines after lines that moved up */ |
| 778 |
start = console->ncolumns * (console->nlines - param1); |
| 779 |
count = console->ncolumns * param1; |
| 780 |
console_erase_chars(console, start, count); |
| 781 |
break; |
| 782 |
case 'S': /* SU - scroll up */ |
| 783 |
/* TODO */ |
| 784 |
break; |
| 785 |
case 'T': /* SD - scroll down */ |
| 786 |
/* TODO */ |
| 787 |
break; |
| 788 |
case 'd': /* absolute line number */ |
| 789 |
if (param1 < 1) |
| 790 |
console->cursor_line = 0; |
| 791 |
else if (param1 > console->nlines) |
| 792 |
console->cursor_line = console->nlines; |
| 793 |
else |
| 794 |
console->cursor_line = param1 - 1; |
| 795 |
break; |
| 796 |
case 'g': /* clear tabs, ignore */ |
| 797 |
break; |
| 798 |
case 'h': /* reset, ignore */ |
| 799 |
break; |
| 800 |
case 'm': /* graphic changes */ |
| 801 |
parambuf[0] = '\0'; |
| 802 |
parambuflen = 0; |
| 803 |
param2 = console->cur_attr; |
| 804 |
|
| 805 |
for (x = 0; x < console->csilen; x++) { |
| 806 |
/* all the way to console->csilen to catch 'm' */ |
| 807 |
if (console->csi[x] == ';' || console->csi[x] == 'm') { |
| 808 |
param1 = atoi(parambuf); |
| 809 |
|
| 810 |
switch (param1) { |
| 811 |
case 0: /* reset */ |
| 812 |
#ifdef COLOR |
| 813 |
cur_color = FG_WHITE | BG_BLACK; |
| 814 |
#endif |
| 815 |
param2 = 0; |
| 816 |
break; |
| 817 |
case 1: /* bold */ |
| 818 |
param2 |= ATTR_BOLD; |
| 819 |
break; |
| 820 |
case 4: /* underline */ |
| 821 |
param2 |= ATTR_UNDERLINE; |
| 822 |
break; |
| 823 |
case 7: /* reverse */ |
| 824 |
param2 |= ATTR_REVERSE; |
| 825 |
break; |
| 826 |
case 22: /* normal color */ |
| 827 |
param2 = 0; |
| 828 |
break; |
| 829 |
case 21: /* bold off */ |
| 830 |
param2 &= ~ATTR_BOLD; |
| 831 |
break; |
| 832 |
case 24: /* underline off */ |
| 833 |
param2 &= ~ATTR_UNDERLINE; |
| 834 |
break; |
| 835 |
case 27: /* inverse off */ |
| 836 |
param2 &= ~ATTR_REVERSE; |
| 837 |
break; |
| 838 |
case 30: /* fg black */ |
| 839 |
case 31: /* fg red */ |
| 840 |
case 32: /* fg green */ |
| 841 |
case 33: /* fg yellow */ |
| 842 |
case 34: /* fg blue */ |
| 843 |
case 35: /* fg magenta */ |
| 844 |
case 36: /* fg cyan */ |
| 845 |
case 37: /* fg white */ |
| 846 |
#ifdef COLOR |
| 847 |
cur_color &= ~0xff; |
| 848 |
cur_color |= (1 << (param1 - 30)); |
| 849 |
#endif |
| 850 |
break; |
| 851 |
case 40: /* bg black */ |
| 852 |
case 41: /* bg red */ |
| 853 |
case 42: /* bg green */ |
| 854 |
case 43: /* bg yellow */ |
| 855 |
case 44: /* bg blue */ |
| 856 |
case 45: /* bg magenta */ |
| 857 |
case 46: /* bg cyan */ |
| 858 |
case 47: /* bg white */ |
| 859 |
#ifdef COLOR |
| 860 |
cur_color = (1 << (8 + param1 - 40)) | |
| 861 |
(cur_color & 0xff); |
| 862 |
#endif |
| 863 |
break; |
| 864 |
} |
| 865 |
|
| 866 |
parambuf[0] = '\0'; |
| 867 |
parambuflen = 0; |
| 868 |
} else if (parambuflen < nitems(parambuf) - 1) { |
| 869 |
parambuf[parambuflen] = console->csi[x]; |
| 870 |
parambuflen++; |
| 871 |
parambuf[parambuflen] = '\0'; |
| 872 |
} |
| 873 |
} |
| 874 |
|
| 875 |
console->cur_attr = param2; |
| 876 |
break; |
| 877 |
case 'n': /* DSR - device status report */ |
| 878 |
switch (param1) { |
| 879 |
case 5: /* terminal is ready */ |
| 880 |
session = console->session; |
| 881 |
if (session->ibuflen >= sizeof(session->ibuf) - 4) |
| 882 |
break; |
| 883 |
session->ibuf[session->ibuflen++] = ESC; |
| 884 |
session->ibuf[session->ibuflen++] = '['; |
| 885 |
session->ibuf[session->ibuflen++] = '0'; |
| 886 |
session->ibuf[session->ibuflen++] = 'n'; |
| 887 |
break; |
| 888 |
case 6: /* CPR - report cursor position */ |
| 889 |
session = console->session; |
| 890 |
if (session->ibuflen >= sizeof(session->ibuf) - 10) |
| 891 |
break; |
| 892 |
session->ibuf[session->ibuflen++] = ESC; |
| 893 |
session->ibuf[session->ibuflen++] = '['; |
| 894 |
|
| 895 |
if (console->cursor_line >= 99) |
| 896 |
session->ibuf[session->ibuflen++] = '0' + |
| 897 |
((console->cursor_line + 1) / 100); |
| 898 |
if (console->cursor_line >= 9) |
| 899 |
session->ibuf[session->ibuflen++] = '0' + |
| 900 |
(((console->cursor_line + 1) % 100) / 10); |
| 901 |
session->ibuf[session->ibuflen++] = '0' + |
| 902 |
((console->cursor_line + 1) % 10); |
| 903 |
|
| 904 |
session->ibuf[session->ibuflen++] = ';'; |
| 905 |
|
| 906 |
if (console->cursor_column >= 99) |
| 907 |
session->ibuf[session->ibuflen++] = '0' + |
| 908 |
((console->cursor_column + 1) / 100); |
| 909 |
if (console->cursor_column >= 9) |
| 910 |
session->ibuf[session->ibuflen++] = '0' + |
| 911 |
(((console->cursor_column + 1) % 100) / 10); |
| 912 |
session->ibuf[session->ibuflen++] = '0' + |
| 913 |
((console->cursor_column + 1) % 10); |
| 914 |
|
| 915 |
session->ibuf[session->ibuflen++] = 'R'; |
| 916 |
break; |
| 917 |
} |
| 918 |
break; |
| 919 |
case 's': /* SCO - save cursor position */ |
| 920 |
console->saved_cursor_column = console->cursor_column; |
| 921 |
console->saved_cursor_line = console->cursor_line; |
| 922 |
break; |
| 923 |
case 'u': /* SCO - restore saved cursor position */ |
| 924 |
console->cursor_column = console->saved_cursor_column; |
| 925 |
console->cursor_line = console->saved_cursor_line; |
| 926 |
break; |
| 927 |
default: |
| 928 |
/* |
| 929 |
* if the last character is a letter and we haven't serviced |
| 930 |
* it, assume it's a sequence we don't support and should just |
| 931 |
* suppress |
| 932 |
*/ |
| 933 |
if (c < 65 || (c > 90 && c < 97) || c > 122) |
| 934 |
serviced = 0; |
| 935 |
} |
| 936 |
|
| 937 |
if (serviced) { |
| 938 |
console->csilen = 0; |
| 939 |
console->csi[0] = '\0'; |
| 940 |
console->in_csi = 0; |
| 941 |
console_bound(console); |
| 942 |
} |
| 943 |
} |