libcaca-0.99.beta20.tar.bz2: .../driver/ncurses.c

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1 /* 2 * libcaca Colour ASCII-Art library 3 * Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net> 4 * 2007 Ben Wiley Sittler <bsittler@gmail.com> 5 * All Rights Reserved 6 * 7 * This library is free software. It comes without any warranty, to 8 * the extent permitted by applicable law. You can redistribute it 9 * and/or modify it under the terms of the Do What the Fuck You Want 10 * to Public License, Version 2, as published by Sam Hocevar. See 11 * http://www.wtfpl.net/ for more details. 12 */ 13 14 /* 15 * This file contains the libcaca Ncurses input and output driver 16 */ 17 18 #include "config.h" 19 20 #if defined USE_NCURSES 21 22 #if defined HAVE_NCURSESW_NCURSES_H 23 # include <ncursesw/ncurses.h> 24 #elif defined HAVE_NCURSES_NCURSES_H 25 # include <ncurses/ncurses.h> 26 #elif defined HAVE_NCURSES_H 27 # include <ncurses.h> 28 #else 29 # include <curses.h> 30 #endif 31 32 #include <stdlib.h> 33 #include <string.h> 34 35 #if defined HAVE_UNISTD_H 36 # include <unistd.h> 37 #endif 38 #if defined HAVE_SIGNAL_H 39 # include <signal.h> 40 #endif 41 #if defined HAVE_SYS_IOCTL_H 42 # include <sys/ioctl.h> 43 #endif 44 #if defined HAVE_LOCALE_H 45 # include <locale.h> 46 #endif 47 #if defined HAVE_TERMIOS_H 48 # include <termios.h> 49 #endif 50 51 #include "caca.h" 52 #include "caca_internals.h" 53 54 /* 55 * Emulation for missing ACS_* in older curses 56 */ 57 58 #ifndef ACS_BLOCK 59 #define ACS_BLOCK '#' 60 #endif 61 62 #ifndef ACS_BOARD 63 #define ACS_BOARD '#' 64 #endif 65 66 #ifndef ACS_BTEE 67 #define ACS_BTEE '+' 68 #endif 69 70 #ifndef ACS_BULLET 71 #define ACS_BULLET '.' 72 #endif 73 74 #ifndef ACS_CKBOARD 75 #define ACS_CKBOARD ':' 76 #endif 77 78 #ifndef ACS_DARROW 79 #define ACS_DARROW 'v' 80 #endif 81 82 #ifndef ACS_DEGREE 83 #define ACS_DEGREE '\'' 84 #endif 85 86 #ifndef ACS_DIAMOND 87 #define ACS_DIAMOND '+' 88 #endif 89 90 #ifndef ACS_GEQUAL 91 #define ACS_GEQUAL '>' 92 #endif 93 94 #ifndef ACS_HLINE 95 #define ACS_HLINE '-' 96 #endif 97 98 #ifndef ACS_LANTERN 99 #define ACS_LANTERN '#' 100 #endif 101 102 #ifndef ACS_LARROW 103 #define ACS_LARROW '<' 104 #endif 105 106 #ifndef ACS_LEQUAL 107 #define ACS_LEQUAL '<' 108 #endif 109 110 #ifndef ACS_LLCORNER 111 #define ACS_LLCORNER '+' 112 #endif 113 114 #ifndef ACS_LRCORNER 115 #define ACS_LRCORNER '+' 116 #endif 117 118 #ifndef ACS_LTEE 119 #define ACS_LTEE '+' 120 #endif 121 122 #ifndef ACS_NEQUAL 123 #define ACS_NEQUAL '!' 124 #endif 125 126 #ifndef ACS_PI 127 #define ACS_PI '*' 128 #endif 129 130 #ifndef ACS_STERLING 131 #define ACS_STERLING 'f' 132 #endif 133 134 #ifndef ACS_PLMINUS 135 #define ACS_PLMINUS '#' 136 #endif 137 138 #ifndef ACS_PLUS 139 #define ACS_PLUS '+' 140 #endif 141 142 #ifndef ACS_RARROW 143 #define ACS_RARROW '>' 144 #endif 145 146 #ifndef ACS_RTEE 147 #define ACS_RTEE '+' 148 #endif 149 150 #ifndef ACS_S1 151 #define ACS_S1 '-' 152 #endif 153 154 #ifndef ACS_S3 155 #define ACS_S3 '-' 156 #endif 157 158 #ifndef ACS_S7 159 #define ACS_S7 '-' 160 #endif 161 162 #ifndef ACS_S9 163 #define ACS_S9 '-' 164 #endif 165 166 #ifndef ACS_TTEE 167 #define ACS_TTEE '+' 168 #endif 169 170 #ifndef ACS_UARROW 171 #define ACS_UARROW '^' 172 #endif 173 174 #ifndef ACS_ULCORNER 175 #define ACS_ULCORNER '+' 176 #endif 177 178 #ifndef ACS_URCORNER 179 #define ACS_URCORNER '+' 180 #endif 181 182 #ifndef ACS_VLINE 183 #define ACS_VLINE '|' 184 #endif 185 186 /* 187 * Local functions 188 */ 189 190 #if defined HAVE_SIGNAL 191 static void sigwinch_handler(int); 192 static caca_display_t *sigwinch_d; /* FIXME: we ought to get rid of this */ 193 #endif 194 #if defined HAVE_GETENV && defined HAVE_PUTENV 195 static void ncurses_install_terminal(caca_display_t *); 196 static void ncurses_uninstall_terminal(caca_display_t *); 197 #endif 198 static void ncurses_write_utf32(uint32_t); 199 200 struct driver_private 201 { 202 int attr[16*16]; 203 mmask_t oldmask; 204 char *term; 205 }; 206 207 static int ncurses_init_graphics(caca_display_t *dp) 208 { 209 static int curses_colors[] = 210 { 211 /* Standard curses colours */ 212 COLOR_BLACK, 213 COLOR_BLUE, 214 COLOR_GREEN, 215 COLOR_CYAN, 216 COLOR_RED, 217 COLOR_MAGENTA, 218 COLOR_YELLOW, 219 COLOR_WHITE, 220 /* Extra values for xterm-16color */ 221 COLOR_BLACK + 8, 222 COLOR_BLUE + 8, 223 COLOR_GREEN + 8, 224 COLOR_CYAN + 8, 225 COLOR_RED + 8, 226 COLOR_MAGENTA + 8, 227 COLOR_YELLOW + 8, 228 COLOR_WHITE + 8 229 }; 230 231 #if defined HAVE_LOCALE_H 232 char const *old_locale; 233 #endif 234 mmask_t newmask; 235 int fg, bg, max; 236 237 dp->drv.p = malloc(sizeof(struct driver_private)); 238 239 #if defined HAVE_GETENV && defined HAVE_PUTENV 240 ncurses_install_terminal(dp); 241 #endif 242 243 #if defined HAVE_SIGNAL 244 sigwinch_d = dp; 245 signal(SIGWINCH, sigwinch_handler); 246 #endif 247 248 _caca_set_term_title("caca for ncurses"); 249 250 #if defined HAVE_LOCALE_H 251 old_locale = setlocale(LC_CTYPE, ""); 252 #endif 253 initscr(); 254 #if defined HAVE_LOCALE_H 255 setlocale(LC_CTYPE, old_locale); 256 #endif 257 258 keypad(stdscr, TRUE); 259 nonl(); 260 raw(); 261 noecho(); 262 nodelay(stdscr, TRUE); 263 curs_set(0); 264 265 /* Activate mouse */ 266 newmask = REPORT_MOUSE_POSITION | ALL_MOUSE_EVENTS; 267 mousemask(newmask, &dp->drv.p->oldmask); 268 mouseinterval(-1); /* No click emulation */ 269 270 /* Set the escape delay to a ridiculously low value */ 271 #if defined set_escdelay 272 set_escdelay(10); 273 #else 274 ESCDELAY = 10; 275 #endif 276 277 /* Activate colour */ 278 start_color(); 279 280 /* If COLORS == 16, it means the terminal supports full bright colours 281 * using setab and setaf (will use \e[90m \e[91m etc. for colours >= 8), 282 * we can build 16*16 colour pairs. 283 * If COLORS == 8, it means the terminal does not know about bright 284 * colours and we need to get them through A_BOLD and A_BLINK (\e[1m 285 * and \e[5m). We can only build 8*8 colour pairs. */ 286 max = COLORS >= 16 ? 16 : 8; 287 288 for(bg = 0; bg < max; bg++) 289 for(fg = 0; fg < max; fg++) 290 { 291 /* Use ((max + 7 - fg) % max) instead of fg so that colour 0 292 * is light gray on black. Some terminals don't like this 293 * colour pair to be redefined. */ 294 int col = ((max + 7 - fg) % max) + max * bg; 295 init_pair(col, curses_colors[fg], curses_colors[bg]); 296 dp->drv.p->attr[fg + 16 * bg] = COLOR_PAIR(col); 297 298 if(max == 8) 299 { 300 /* Bright fg on simple bg */ 301 dp->drv.p->attr[fg + 8 + 16 * bg] = A_BOLD | COLOR_PAIR(col); 302 /* Simple fg on bright bg */ 303 dp->drv.p->attr[fg + 16 * (bg + 8)] = A_BLINK 304 | COLOR_PAIR(col); 305 /* Bright fg on bright bg */ 306 dp->drv.p->attr[fg + 8 + 16 * (bg + 8)] = A_BLINK | A_BOLD 307 | COLOR_PAIR(col); 308 } 309 } 310 311 caca_add_dirty_rect(dp->cv, 0, 0, dp->cv->width, dp->cv->height); 312 dp->resize.allow = 1; 313 caca_set_canvas_size(dp->cv, COLS, LINES); 314 dp->resize.allow = 0; 315 316 return 0; 317 } 318 319 static int ncurses_end_graphics(caca_display_t *dp) 320 { 321 _caca_set_term_title(""); 322 mousemask(dp->drv.p->oldmask, NULL); 323 curs_set(1); 324 noraw(); 325 endwin(); 326 327 #if defined HAVE_GETENV && defined HAVE_PUTENV 328 ncurses_uninstall_terminal(dp); 329 #endif 330 331 free(dp->drv.p); 332 333 return 0; 334 } 335 336 static int ncurses_set_display_title(caca_display_t *dp, char const *title) 337 { 338 _caca_set_term_title(title); 339 340 return 0; 341 } 342 343 static int ncurses_get_display_width(caca_display_t const *dp) 344 { 345 /* Fallback to a 6x10 font */ 346 return caca_get_canvas_width(dp->cv) * 6; 347 } 348 349 static int ncurses_get_display_height(caca_display_t const *dp) 350 { 351 /* Fallback to a 6x10 font */ 352 return caca_get_canvas_height(dp->cv) * 10; 353 } 354 355 static void ncurses_display(caca_display_t *dp) 356 { 357 int x, y, i; 358 359 for(i = 0; i < caca_get_dirty_rect_count(dp->cv); i++) 360 { 361 uint32_t const *cvchars, *cvattrs; 362 int dx, dy, dw, dh; 363 364 caca_get_dirty_rect(dp->cv, i, &dx, &dy, &dw, &dh); 365 366 cvchars = caca_get_canvas_chars(dp->cv) + dx + dy * dp->cv->width; 367 cvattrs = caca_get_canvas_attrs(dp->cv) + dx + dy * dp->cv->width; 368 369 for(y = dy; y < dy + dh; y++) 370 { 371 move(y, dx); 372 for(x = dx; x < dx + dw; x++) 373 { 374 uint32_t attr = *cvattrs++; 375 376 (void)attrset(dp->drv.p->attr[caca_attr_to_ansi(attr)]); 377 if(attr & CACA_BOLD) 378 attron(A_BOLD); 379 if(attr & CACA_BLINK) 380 attron(A_BLINK); 381 if(attr & CACA_UNDERLINE) 382 attron(A_UNDERLINE); 383 384 ncurses_write_utf32(*cvchars++); 385 } 386 387 cvchars += dp->cv->width - dw; 388 cvattrs += dp->cv->width - dw; 389 } 390 } 391 392 x = caca_wherex(dp->cv); 393 y = caca_wherey(dp->cv); 394 move(y, x); 395 396 refresh(); 397 } 398 399 static void ncurses_handle_resize(caca_display_t *dp) 400 { 401 struct winsize size; 402 403 #if defined HAVE_SYS_IOCTL_H 404 if(ioctl(fileno(stdout), TIOCGWINSZ, &size) == 0) 405 { 406 dp->resize.w = size.ws_col; 407 dp->resize.h = size.ws_row; 408 #if defined HAVE_RESIZE_TERM 409 resize_term(dp->resize.h, dp->resize.w); 410 #else 411 resizeterm(dp->resize.h, dp->resize.w); 412 #endif 413 wrefresh(curscr); 414 return; 415 } 416 #endif 417 418 /* Fallback */ 419 dp->resize.w = caca_get_canvas_width(dp->cv); 420 dp->resize.h = caca_get_canvas_height(dp->cv); 421 } 422 423 static int ncurses_get_event(caca_display_t *dp, caca_privevent_t *ev) 424 { 425 int intkey; 426 427 intkey = getch(); 428 if(intkey == ERR) 429 { 430 ev->type = CACA_EVENT_NONE; 431 return 0; 432 } 433 434 if(intkey < 0x7f) 435 { 436 ev->type = CACA_EVENT_KEY_PRESS; 437 ev->data.key.ch = intkey; 438 ev->data.key.utf32 = intkey; 439 ev->data.key.utf8[0] = intkey; 440 ev->data.key.utf8[1] = '\0'; 441 return 1; 442 } 443 444 /* If the key was UTF-8, parse the whole sequence */ 445 if(intkey >= 0x80 && intkey < 0x100) 446 { 447 int keys[7]; /* Necessary for ungetch(); */ 448 char utf8[7]; 449 uint32_t utf32; 450 size_t i, bytes = 0; 451 452 keys[0] = intkey; 453 utf8[0] = intkey; 454 455 for(i = 1; i < 6; i++) 456 { 457 keys[i] = getch(); 458 utf8[i] = (unsigned char)keys[i]; 459 } 460 461 utf8[i] = '\0'; 462 utf32 = caca_utf8_to_utf32(utf8, &bytes); 463 464 while(i > bytes) 465 ungetch(keys[--i]); 466 467 if(bytes) 468 { 469 ev->type = CACA_EVENT_KEY_PRESS; 470 ev->data.key.ch = 0; 471 ev->data.key.utf32 = utf32; 472 strcpy(ev->data.key.utf8, utf8); 473 return 1; 474 } 475 } 476 477 if(intkey == KEY_MOUSE) 478 { 479 MEVENT mevent; 480 getmouse(&mevent); 481 482 switch(mevent.bstate) 483 { 484 #define PRESS(x) ev->data.mouse.button = x; \ 485 ev->type = CACA_EVENT_MOUSE_PRESS; _push_event(dp, ev) 486 #define RELEASE(x) ev->data.mouse.button = x; \ 487 ev->type = CACA_EVENT_MOUSE_RELEASE; _push_event(dp, ev) 488 #define CLICK(x) PRESS(x); RELEASE(x) 489 case BUTTON1_PRESSED: PRESS(1); break; 490 case BUTTON1_RELEASED: RELEASE(1); break; 491 case BUTTON1_CLICKED: CLICK(1); break; 492 case BUTTON1_DOUBLE_CLICKED: CLICK(1); CLICK(1); break; 493 case BUTTON1_TRIPLE_CLICKED: CLICK(1); CLICK(1); CLICK(1); break; 494 #if defined BUTTON1_RESERVED_EVENT 495 case BUTTON1_RESERVED_EVENT: break; 496 #endif 497 498 case BUTTON2_PRESSED: PRESS(2); break; 499 case BUTTON2_RELEASED: RELEASE(2); break; 500 case BUTTON2_CLICKED: CLICK(2); break; 501 case BUTTON2_DOUBLE_CLICKED: CLICK(2); CLICK(2); break; 502 case BUTTON2_TRIPLE_CLICKED: CLICK(2); CLICK(2); CLICK(2); break; 503 #if defined BUTTON2_RESERVED_EVENT 504 case BUTTON2_RESERVED_EVENT: break; 505 #endif 506 507 case BUTTON3_PRESSED: PRESS(3); break; 508 case BUTTON3_RELEASED: RELEASE(3); break; 509 case BUTTON3_CLICKED: CLICK(3); break; 510 case BUTTON3_DOUBLE_CLICKED: CLICK(3); CLICK(3); break; 511 case BUTTON3_TRIPLE_CLICKED: CLICK(3); CLICK(3); CLICK(3); break; 512 #if defined BUTTON3_RESERVED_EVENT 513 case BUTTON3_RESERVED_EVENT: break; 514 #endif 515 516 case BUTTON4_PRESSED: PRESS(4); break; 517 case BUTTON4_RELEASED: RELEASE(4); break; 518 case BUTTON4_CLICKED: CLICK(4); break; 519 case BUTTON4_DOUBLE_CLICKED: CLICK(4); CLICK(4); break; 520 case BUTTON4_TRIPLE_CLICKED: CLICK(4); CLICK(4); CLICK(4); break; 521 #if defined BUTTON4_RESERVED_EVENT 522 case BUTTON4_RESERVED_EVENT: break; 523 #endif 524 525 default: 526 break; 527 #undef PRESS 528 #undef RELEASE 529 #undef CLICK 530 } 531 532 if(dp->mouse.x == mevent.x && dp->mouse.y == mevent.y) 533 return _pop_event(dp, ev); 534 535 dp->mouse.x = mevent.x; 536 dp->mouse.y = mevent.y; 537 538 ev->type = CACA_EVENT_MOUSE_MOTION; 539 ev->data.mouse.x = dp->mouse.x; 540 ev->data.mouse.y = dp->mouse.y; 541 return 1; 542 } 543 544 switch(intkey) 545 { 546 case KEY_UP: ev->data.key.ch = CACA_KEY_UP; break; 547 case KEY_DOWN: ev->data.key.ch = CACA_KEY_DOWN; break; 548 case KEY_LEFT: ev->data.key.ch = CACA_KEY_LEFT; break; 549 case KEY_RIGHT: ev->data.key.ch = CACA_KEY_RIGHT; break; 550 551 case KEY_IC: ev->data.key.ch = CACA_KEY_INSERT; break; 552 case KEY_DC: ev->data.key.ch = CACA_KEY_DELETE; break; 553 case 0x7f: 554 case KEY_BACKSPACE: ev->data.key.ch = CACA_KEY_BACKSPACE; break; 555 case KEY_HOME: ev->data.key.ch = CACA_KEY_HOME; break; 556 case KEY_END: ev->data.key.ch = CACA_KEY_END; break; 557 case KEY_PPAGE: ev->data.key.ch = CACA_KEY_PAGEUP; break; 558 case KEY_NPAGE: ev->data.key.ch = CACA_KEY_PAGEDOWN; break; 559 560 case KEY_F(1): ev->data.key.ch = CACA_KEY_F1; break; 561 case KEY_F(2): ev->data.key.ch = CACA_KEY_F2; break; 562 case KEY_F(3): ev->data.key.ch = CACA_KEY_F3; break; 563 case KEY_F(4): ev->data.key.ch = CACA_KEY_F4; break; 564 case KEY_F(5): ev->data.key.ch = CACA_KEY_F5; break; 565 case KEY_F(6): ev->data.key.ch = CACA_KEY_F6; break; 566 case KEY_F(7): ev->data.key.ch = CACA_KEY_F7; break; 567 case KEY_F(8): ev->data.key.ch = CACA_KEY_F8; break; 568 case KEY_F(9): ev->data.key.ch = CACA_KEY_F9; break; 569 case KEY_F(10): ev->data.key.ch = CACA_KEY_F10; break; 570 case KEY_F(11): ev->data.key.ch = CACA_KEY_F11; break; 571 case KEY_F(12): ev->data.key.ch = CACA_KEY_F12; break; 572 573 default: 574 /* Unknown key */ 575 ev->type = CACA_EVENT_NONE; return 0; 576 } 577 578 ev->type = CACA_EVENT_KEY_PRESS; 579 ev->data.key.utf32 = 0; 580 ev->data.key.utf8[0] = '\0'; 581 return 1; 582 } 583 584 static void ncurses_set_cursor(caca_display_t *dp, int flags) 585 { 586 if (!flags) 587 curs_set(0); 588 else if (curs_set(2) == ERR) 589 curs_set(1); 590 } 591 592 /* 593 * XXX: following functions are local 594 */ 595 596 #if defined HAVE_SIGNAL 597 static void sigwinch_handler(int sig) 598 { 599 sigwinch_d->resize.resized = 1; 600 601 signal(SIGWINCH, sigwinch_handler); 602 } 603 #endif 604 605 #if defined HAVE_GETENV && defined HAVE_PUTENV 606 static void ncurses_install_terminal(caca_display_t *dp) 607 { 608 char *term, *colorterm; 609 610 dp->drv.p->term = NULL; 611 612 term = getenv("TERM"); 613 colorterm = getenv("COLORTERM"); 614 615 if(!term || strcmp(term, "xterm")) 616 return; 617 618 /* If we are using gnome-terminal, it's really a 16 colour terminal. 619 * Ditto if we are using xfce4-terminal, or Konsole. */ 620 if((colorterm && (!strcmp(colorterm, "gnome-terminal") 621 || !strcmp(colorterm, "Terminal"))) 622 || getenv("KONSOLE_DCOP_SESSION")) 623 { 624 SCREEN *screen; 625 screen = newterm("xterm-16color", stdout, stdin); 626 if(screen == NULL) 627 return; 628 endwin(); 629 (void)putenv("TERM=xterm-16color"); 630 dp->drv.p->term = strdup(term); 631 return; 632 } 633 } 634 635 static void ncurses_uninstall_terminal(caca_display_t *dp) 636 { 637 /* Needs to be persistent because we use putenv() */ 638 static char termenv[1024]; 639 640 if(!dp->drv.p->term) 641 return; 642 643 snprintf(termenv, 1023, "TERM=%s", dp->drv.p->term); 644 free(dp->drv.p->term); 645 (void)putenv(termenv); 646 } 647 #endif 648 649 static void ncurses_write_utf32(uint32_t ch) 650 { 651 #if defined HAVE_NCURSESW_NCURSES_H 652 char buf[10]; 653 int bytes; 654 #endif 655 656 if(ch == CACA_MAGIC_FULLWIDTH) 657 return; 658 659 #if defined HAVE_NCURSESW_NCURSES_H 660 bytes = caca_utf32_to_utf8(buf, ch); 661 buf[bytes] = '\0'; 662 addstr(buf); 663 #else 664 if(ch < 0x80) 665 { 666 addch(ch); 667 } 668 else 669 { 670 chtype cch; 671 chtype cch2; 672 673 cch = '?'; 674 cch2 = ' '; 675 if ((ch > 0x0000ff00) && (ch < 0x0000ff5f)) 676 { 677 cch = ch - 0x0000ff00 + ' '; 678 } 679 switch (ch) 680 { 681 case 0x000000a0: /* <nbsp> */ 682 case 0x00003000: /* 　 */ 683 cch = ' '; 684 break; 685 case 0x000000a3: /* £ */ 686 cch = ACS_STERLING; 687 break; 688 case 0x000000b0: /* ° */ 689 cch = ACS_DEGREE; 690 break; 691 case 0x000000b1: /* ± */ 692 cch = ACS_PLMINUS; 693 break; 694 case 0x000000b7: /* · */ 695 case 0x00002219: /* ∙ */ 696 case 0x000030fb: /* ・ */ 697 cch = ACS_BULLET; 698 break; 699 case 0x000003c0: /* π */ 700 cch = ACS_PI; 701 break; 702 case 0x00002018: /* ‘ */ 703 case 0x00002019: /* ’ */ 704 cch = '\''; 705 break; 706 case 0x0000201c: /* “ */ 707 case 0x0000201d: /* ” */ 708 cch = '"'; 709 break; 710 case 0x00002190: /* ← */ 711 cch = ACS_LARROW; 712 break; 713 case 0x00002191: /* ↑ */ 714 cch = ACS_UARROW; 715 break; 716 case 0x00002192: /* → */ 717 cch = ACS_RARROW; 718 break; 719 case 0x00002193: /* ↓ */ 720 cch = ACS_DARROW; 721 break; 722 case 0x00002260: /* ≠ */ 723 cch = ACS_NEQUAL; 724 break; 725 case 0x00002261: /* ≡ */ 726 cch = '='; 727 break; 728 case 0x00002264: /* ≤ */ 729 cch = ACS_LEQUAL; 730 break; 731 case 0x00002265: /* ≥ */ 732 cch = ACS_GEQUAL; 733 break; 734 case 0x000023ba: /* ⎺ */ 735 cch = ACS_S1; 736 cch2 = cch; 737 break; 738 case 0x000023bb: /* ⎻ */ 739 cch = ACS_S3; 740 cch2 = cch; 741 break; 742 case 0x000023bc: /* ⎼ */ 743 cch = ACS_S7; 744 cch2 = cch; 745 break; 746 case 0x000023bd: /* ⎽ */ 747 cch = ACS_S9; 748 cch2 = cch; 749 break; 750 case 0x00002500: /* ─ */ 751 case 0x00002550: /* ═ */ 752 cch = ACS_HLINE; 753 cch2 = cch; 754 break; 755 case 0x00002502: /* │ */ 756 case 0x00002551: /* ║ */ 757 cch = ACS_VLINE; 758 break; 759 case 0x0000250c: /* ┌ */ 760 case 0x00002552: /* ╒ */ 761 case 0x00002553: /* ╓ */ 762 case 0x00002554: /* ╔ */ 763 cch = ACS_ULCORNER; 764 cch2 = ACS_HLINE; 765 break; 766 case 0x00002510: /* ┐ */ 767 case 0x00002555: /* ╕ */ 768 case 0x00002556: /* ╖ */ 769 case 0x00002557: /* ╗ */ 770 cch = ACS_URCORNER; 771 break; 772 case 0x00002514: /* └ */ 773 case 0x00002558: /* ╘ */ 774 case 0x00002559: /* ╙ */ 775 case 0x0000255a: /* ╚ */ 776 cch = ACS_LLCORNER; 777 cch2 = ACS_HLINE; 778 break; 779 case 0x00002518: /* ┘ */ 780 case 0x0000255b: /* ╛ */ 781 case 0x0000255c: /* ╜ */ 782 case 0x0000255d: /* ╝ */ 783 cch = ACS_LRCORNER; 784 break; 785 case 0x0000251c: /* ├ */ 786 case 0x0000255e: /* ╞ */ 787 case 0x0000255f: /* ╟ */ 788 case 0x00002560: /* ╠ */ 789 cch = ACS_LTEE; 790 cch2 = ACS_HLINE; 791 break; 792 case 0x00002524: /* ┤ */ 793 case 0x00002561: /* ╡ */ 794 case 0x00002562: /* ╢ */ 795 case 0x00002563: /* ╣ */ 796 cch = ACS_RTEE; 797 break; 798 case 0x0000252c: /* ┬ */ 799 case 0x00002564: /* ╤ */ 800 case 0x00002565: /* ╥ */ 801 case 0x00002566: /* ╦ */ 802 cch = ACS_TTEE; 803 cch2 = ACS_HLINE; 804 break; 805 case 0x00002534: /* ┴ */ 806 case 0x00002567: /* ╧ */ 807 case 0x00002568: /* ╨ */ 808 case 0x00002569: /* ╩ */ 809 cch = ACS_BTEE; 810 cch2 = ACS_HLINE; 811 break; 812 case 0x0000253c: /* ┼ */ 813 case 0x0000256a: /* ╪ */ 814 case 0x0000256b: /* ╫ */ 815 case 0x0000256c: /* ╬ */ 816 cch = ACS_PLUS; 817 cch2 = ACS_HLINE; 818 break; 819 case 0x00002591: /* ░ */ 820 cch = ACS_BOARD; 821 cch2 = cch; 822 break; 823 case 0x00002592: /* ▒ */ 824 case 0x00002593: /* ▓ */ 825 cch = ACS_CKBOARD; 826 cch2 = cch; 827 break; 828 case 0x00002580: /* ▀ */ 829 case 0x00002584: /* ▄ */ 830 case 0x00002588: /* █ */ 831 case 0x0000258c: /* ▌ */ 832 case 0x00002590: /* ▐ */ 833 case 0x000025a0: /* ■ */ 834 case 0x000025ac: /* ▬ */ 835 case 0x000025ae: /* ▮ */ 836 cch = ACS_BLOCK; 837 cch2 = cch; 838 break; 839 case 0x000025c6: /* ◆ */ 840 case 0x00002666: /* ♦ */ 841 cch = ACS_DIAMOND; 842 break; 843 case 0x00002022: /* • */ 844 case 0x000025cb: /* ○ */ 845 case 0x000025cf: /* ● */ 846 case 0x00002603: /* ☃ */ 847 case 0x0000263c: /* ☼ */ 848 cch = ACS_LANTERN; 849 break; 850 case 0x0000301c: /* 〜 */ 851 cch = '~'; 852 break; 853 } 854 addch(cch); 855 if(caca_utf32_is_fullwidth(ch)) 856 { 857 addch(cch2); 858 } 859 } 860 #endif 861 } 862 863 /* 864 * Driver initialisation 865 */ 866 867 int ncurses_install(caca_display_t *dp) 868 { 869 dp->drv.id = CACA_DRIVER_NCURSES; 870 dp->drv.driver = "ncurses"; 871 872 dp->drv.init_graphics = ncurses_init_graphics; 873 dp->drv.end_graphics = ncurses_end_graphics; 874 dp->drv.set_display_title = ncurses_set_display_title; 875 dp->drv.get_display_width = ncurses_get_display_width; 876 dp->drv.get_display_height = ncurses_get_display_height; 877 dp->drv.display = ncurses_display; 878 dp->drv.handle_resize = ncurses_handle_resize; 879 dp->drv.get_event = ncurses_get_event; 880 dp->drv.set_mouse = NULL; 881 dp->drv.set_cursor = ncurses_set_cursor; 882 883 return 0; 884 } 885 886 #endif /* USE_NCURSES */ 887