ncurses/win32con/win_driver.c

   1 /****************************************************************************
   2  * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
   3  *                                                                          *
   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:                 *
  11  *                                                                          *
  12  * The above copyright notice and this permission notice shall be included  *
  13  * in all copies or substantial portions of the Software.                   *
  14  *                                                                          *
  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.                               *
  22  *                                                                          *
  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       *
  26  * authorization.                                                           *
  27  ****************************************************************************/
  28
  29 /****************************************************************************
  30  *  Author: Juergen Pfeifer                                                 *
  31  *                                                                          *
  32  ****************************************************************************/
  33
  34 /*
  35  * TODO - GetMousePos(POINT * result) from ntconio.c
  36  * TODO - implement nodelay
  37  */
  38
  39 #include <curses.priv.h>
  40
  41 MODULE_ID("$Id: win_driver.c,v 1.8 2010/04/10 19:42:47 tom Exp $")
  42
  43 #define WINMAGIC NCDRV_MAGIC(NCDRV_WINCONSOLE)
  44
  45 #define AssertTCB() assert(TCB!=0 && TCB->magic==WINMAGIC)
  46 #define SetSP() assert(TCB->csp!=0); sp = TCB->csp
  47
  48 #define GenMap(vKey,key) MAKELONG(key, vKey)
  49
  50 static const LONG keylist[] =
  51 {
  52     GenMap(VK_PRIOR, KEY_PPAGE),
  53     GenMap(VK_NEXT, KEY_NPAGE),
  54     GenMap(VK_END, KEY_END),
  55     GenMap(VK_HOME, KEY_HOME),
  56     GenMap(VK_LEFT, KEY_LEFT),
  57     GenMap(VK_UP, KEY_UP),
  58     GenMap(VK_RIGHT, KEY_RIGHT),
  59     GenMap(VK_DOWN, KEY_DOWN),
  60     GenMap(VK_DELETE, KEY_DC),
  61     GenMap(VK_INSERT, KEY_IC)
  62 };
  63 #define N_INI ((int)(sizeof(keylist)/sizeof(keylist[0])))
  64 #define FKEYS 24
  65 #define MAPSIZE (FKEYS + N_INI)
  66 #define NUMPAIRS 64
  67
  68 typedef struct props {
  69     CONSOLE_SCREEN_BUFFER_INFO SBI;
  70     bool progMode;
  71     DWORD map[MAPSIZE];
  72     DWORD rmap[MAPSIZE];
  73     WORD pairs[NUMPAIRS];
  74 } Properties;
  75
  76 #define PropOf(TCB) ((Properties*)TCB->prop)
  77
  78 int
  79 _nc_mingw_ioctl(int fd GCC_UNUSED,
  80                 long int request GCC_UNUSED,
  81                 struct termios *arg GCC_UNUSED)
  82 {
  83     return 0;
  84     endwin();
  85     fprintf(stderr, "TERMINFO currently not supported on Windows.\n");
  86     exit(1);
  87 }
  88
  89 static WORD
  90 MapColor(bool fore, int color)
  91 {
  92     static const int _cmap[] =
  93     {0, 4, 2, 6, 1, 5, 3, 7};
  94     int a;
  95     if (color < 0 || color > 7)
  96         a = fore ? 7 : 0;
  97     else
  98         a = _cmap[color];
  99     if (!fore)
 100         a = a << 4;
 101     return (WORD) a;
 102 }
 103
 104 static WORD
 105 MapAttr(TERMINAL_CONTROL_BLOCK * TCB, WORD res, chtype ch)
 106 {
 107     if (ch & A_COLOR) {
 108         int p;
 109         SCREEN *sp;
 110
 111         AssertTCB();
 112         SetSP();
 113         p = PairNumber(ch);
 114         if (p > 0 && p < NUMPAIRS && TCB != 0 && sp != 0) {
 115             WORD a;
 116             a = PropOf(TCB)->pairs[p];
 117             res = (res & 0xff00) | a;
 118         }
 119     }
 120
 121     if (ch & A_REVERSE)
 122         res = ((res & 0xff00) | (((res & 0x07) << 4) | ((res & 0x70) >> 4)));
 123
 124     if (ch & A_STANDOUT)
 125         res = ((res & 0xff00) | (((res & 0x07) << 4) | ((res & 0x70) >> 4))
 126                | BACKGROUND_INTENSITY);
 127
 128     if (ch & A_BOLD)
 129         res |= FOREGROUND_INTENSITY;
 130
 131     if (ch & A_DIM)
 132         res |= BACKGROUND_INTENSITY;
 133
 134     return res;
 135 }
 136
 137 static BOOL
 138 con_write(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, chtype *str, int n)
 139 {
 140     CHAR_INFO ci[n];
 141     COORD loc, siz;
 142     SMALL_RECT rec;
 143     int i;
 144     chtype ch;
 145     SCREEN *sp;
 146
 147     AssertTCB();
 148
 149     if (TCB == 0 || InvalidConsoleHandle(TCB->hdl))
 150         return FALSE;
 151
 152     SetSP();
 153
 154     for (i = 0; i < n; i++) {
 155         ch = str[i];
 156         ci[i].Char.AsciiChar = ChCharOf(ch);
 157         ci[i].Attributes = MapAttr(TCB,
 158                                    PropOf(TCB)->SBI.wAttributes,
 159                                    ChAttrOf(ch));
 160         if (ChAttrOf(ch) & A_ALTCHARSET) {
 161             if (sp->_acs_map)
 162                 ci[i].Char.AsciiChar =
 163                     ChCharOf(NCURSES_SP_NAME(_nc_acs_char) (sp, ChCharOf(ch)));
 164         }
 165     }
 166
 167     loc.X = (short) 0;
 168     loc.Y = (short) 0;
 169     siz.X = (short) n;
 170     siz.Y = 1;
 171
 172     rec.Left = (short) x;
 173     rec.Top = (short) y;
 174     rec.Right = (short) (x + n - 1);
 175     rec.Bottom = rec.Top;
 176
 177     return WriteConsoleOutput(TCB->hdl, ci, siz, loc, &rec);
 178 }
 179
 180 #define MARK_NOCHANGE(win,row) \
 181                 win->_line[row].firstchar = _NOCHANGE; \
 182                 win->_line[row].lastchar  = _NOCHANGE
 183
 184 static int
 185 drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
 186 {
 187     int y, nonempty, n, x0, x1, Width, Height;
 188     SCREEN *sp;
 189
 190     AssertTCB();
 191     SetSP();
 192
 193     Width = screen_columns(sp);
 194     Height = screen_lines(sp);
 195     nonempty = min(Height, NewScreen(sp)->_maxy + 1);
 196
 197     if ((CurScreen(sp)->_clear || NewScreen(sp)->_clear)) {
 198         int x;
 199         chtype empty[Width];
 200
 201         for (x = 0; x < Width; x++)
 202             empty[x] = ' ';
 203
 204         for (y = 0; y < nonempty; y++) {
 205             con_write(TCB, y, 0, empty, Width);
 206             memcpy(empty,
 207                    CurScreen(sp)->_line[y].text,
 208                    Width * sizeof(chtype));
 209         }
 210         CurScreen(sp)->_clear = FALSE;
 211         NewScreen(sp)->_clear = FALSE;
 212         touchwin(NewScreen(sp));
 213     }
 214
 215     for (y = 0; y < nonempty; y++) {
 216         x0 = NewScreen(sp)->_line[y].firstchar;
 217         if (x0 != _NOCHANGE) {
 218             x1 = NewScreen(sp)->_line[y].lastchar;
 219             n = x1 - x0 + 1;
 220             if (n > 0) {
 221                 memcpy(CurScreen(sp)->_line[y].text + x0,
 222                        NewScreen(sp)->_line[y].text + x0,
 223                        n * sizeof(chtype));
 224                 con_write(TCB,
 225                           y,
 226                           x0,
 227                           ((chtype *) CurScreen(sp)->_line[y].text) + x0, n);
 228
 229                 /* mark line changed successfully */
 230                 if (y <= NewScreen(sp)->_maxy) {
 231                     MARK_NOCHANGE(NewScreen(sp), y);
 232                 }
 233                 if (y <= CurScreen(sp)->_maxy) {
 234                     MARK_NOCHANGE(CurScreen(sp), y);
 235                 }
 236             }
 237         }
 238     }
 239
 240     /* put everything back in sync */
 241     for (y = nonempty; y <= NewScreen(sp)->_maxy; y++) {
 242         MARK_NOCHANGE(NewScreen(sp), y);
 243     }
 244     for (y = nonempty; y <= CurScreen(sp)->_maxy; y++) {
 245         MARK_NOCHANGE(CurScreen(sp), y);
 246     }
 247
 248     if (!NewScreen(sp)->_leaveok) {
 249         CurScreen(sp)->_curx = NewScreen(sp)->_curx;
 250         CurScreen(sp)->_cury = NewScreen(sp)->_cury;
 251
 252         TCB->drv->hwcur(TCB, 0, 0, CurScreen(sp)->_cury, CurScreen(sp)->_curx);
 253     }
 254     SetConsoleActiveScreenBuffer(TCB->hdl);
 255     return OK;
 256 }
 257
 258 static bool
 259 drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB,
 260               const char *tname,
 261               int *errret GCC_UNUSED)
 262 {
 263     bool code = FALSE;
 264
 265     T((T_CALLED("drv_CanHandle(%p)"), TCB));
 266
 267     assert(TCB != 0);
 268     assert(tname != 0);
 269
 270     TCB->magic = WINMAGIC;
 271     if (*tname == 0 || *tname == 0 || strcmp(tname, "unknown") == 0) {
 272         code = TRUE;
 273         if ((TCB->term.type.Booleans) == 0) {
 274             _nc_init_entry(&(TCB->term.type));
 275         }
 276     }
 277
 278     returnBool(code);
 279 }
 280
 281 static int
 282 drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB,
 283                 bool beepFlag GCC_UNUSED)
 284 {
 285     SCREEN *sp;
 286     int res = ERR;
 287
 288     AssertTCB();
 289     SetSP();
 290
 291     return res;
 292 }
 293
 294 static int
 295 drv_print(TERMINAL_CONTROL_BLOCK * TCB,
 296           char *data GCC_UNUSED,
 297           int len GCC_UNUSED)
 298 {
 299     SCREEN *sp;
 300
 301     AssertTCB();
 302     SetSP();
 303
 304     return ERR;
 305 }
 306
 307 static int
 308 drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB,
 309                   int fg GCC_UNUSED,
 310                   int bg GCC_UNUSED)
 311 {
 312     SCREEN *sp;
 313     int code = ERR;
 314
 315     AssertTCB();
 316     SetSP();
 317
 318     return (code);
 319 }
 320
 321 static void
 322 drv_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
 323              bool fore,
 324              int color,
 325              int (*outc) (SCREEN *, int) GCC_UNUSED)
 326 {
 327     AssertTCB();
 328
 329     if (TCB && !InvalidConsoleHandle(TCB->hdl)) {
 330         WORD a = MapColor(fore, color);
 331         a = ((PropOf(TCB)->SBI.wAttributes) & (fore ? 0xfff8 : 0xff8f)) | a;
 332         SetConsoleTextAttribute(TCB->hdl, a);
 333         GetConsoleScreenBufferInfo(TCB->hdl, &(PropOf(TCB)->SBI));
 334     }
 335 }
 336
 337 static bool
 338 drv_rescol(TERMINAL_CONTROL_BLOCK * TCB)
 339 {
 340     bool res = FALSE;
 341
 342     AssertTCB();
 343     if (TCB && !InvalidConsoleHandle(TCB->hdl)) {
 344         WORD a = FOREGROUND_BLUE | FOREGROUND_RED | FOREGROUND_GREEN;
 345         SetConsoleTextAttribute(TCB->hdl, a);
 346         GetConsoleScreenBufferInfo(TCB->hdl, &(PropOf(TCB)->SBI));
 347         res = TRUE;
 348     }
 349     return res;
 350 }
 351
 352 static bool
 353 drv_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
 354 {
 355     int result = FALSE;
 356     SCREEN *sp;
 357
 358     AssertTCB();
 359     SetSP();
 360
 361     return result;
 362 }
 363
 364 static int
 365 drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *Lines, int *Cols)
 366 {
 367     AssertTCB();
 368
 369     if (TCB == NULL || Lines == NULL || Cols == NULL || InvalidConsoleHandle(TCB->hdl))
 370         return ERR;
 371
 372     *Lines = (int) (PropOf(TCB)->SBI.dwSize.Y);
 373     *Cols = (int) (PropOf(TCB)->SBI.dwSize.X);
 374     return OK;
 375 }
 376
 377 static int
 378 drv_setsize(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED,
 379             int l GCC_UNUSED,
 380             int c GCC_UNUSED)
 381 {
 382     AssertTCB();
 383     return ERR;
 384 }
 385
 386 static int
 387 drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, bool setFlag, TTY * buf)
 388 {
 389     DWORD dwFlag = 0;
 390     tcflag_t iflag;
 391     tcflag_t lflag;
 392
 393     AssertTCB();
 394
 395     if (TCB == 0 || buf == NULL)
 396         return ERR;
 397
 398     if (setFlag) {
 399         iflag = buf->c_iflag;
 400         lflag = buf->c_lflag;
 401
 402         GetConsoleMode(TCB->inp, &dwFlag);
 403
 404         if (lflag & ICANON)
 405             dwFlag |= ENABLE_LINE_INPUT;
 406         else
 407             dwFlag &= ~ENABLE_LINE_INPUT;
 408
 409         if (lflag & ECHO)
 410             dwFlag |= ENABLE_ECHO_INPUT;
 411         else
 412             dwFlag &= ~ENABLE_ECHO_INPUT;
 413
 414         if (iflag & BRKINT)
 415             dwFlag |= ENABLE_PROCESSED_INPUT;
 416         else
 417             dwFlag &= ~ENABLE_PROCESSED_INPUT;
 418
 419         dwFlag |= ENABLE_MOUSE_INPUT;
 420
 421         buf->c_iflag = iflag;
 422         buf->c_lflag = lflag;
 423         SetConsoleMode(TCB->inp, dwFlag);
 424         TCB->term.Nttyb = *buf;
 425     } else {
 426         iflag = TCB->term.Nttyb.c_iflag;
 427         lflag = TCB->term.Nttyb.c_lflag;
 428         GetConsoleMode(TCB->inp, &dwFlag);
 429
 430         if (dwFlag & ENABLE_LINE_INPUT)
 431             lflag |= ICANON;
 432         else
 433             lflag &= ~ICANON;
 434
 435         if (dwFlag & ENABLE_ECHO_INPUT)
 436             lflag |= ECHO;
 437         else
 438             lflag &= ~ECHO;
 439
 440         if (dwFlag & ENABLE_PROCESSED_INPUT)
 441             iflag |= BRKINT;
 442         else
 443             iflag &= ~BRKINT;
 444
 445         TCB->term.Nttyb.c_iflag = iflag;
 446         TCB->term.Nttyb.c_lflag = lflag;
 447
 448         *buf = TCB->term.Nttyb;
 449     }
 450     return OK;
 451 }
 452
 453 static int
 454 drv_mode(TERMINAL_CONTROL_BLOCK * TCB, bool progFlag, bool defFlag)
 455 {
 456     SCREEN *sp;
 457     TERMINAL *_term = (TERMINAL *) TCB;
 458     int code = ERR;
 459
 460     AssertTCB();
 461     sp = TCB->csp;
 462
 463     PropOf(TCB)->progMode = progFlag;
 464     SetConsoleActiveScreenBuffer(progFlag ? TCB->hdl : TCB->out);
 465
 466     if (progFlag) /* prog mode */  {
 467         if (defFlag) {
 468             if ((drv_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
 469                 _term->Nttyb.c_oflag &= ~OFLAGS_TABS;
 470                 code = OK;
 471             }
 472         } else {
 473             /* reset_prog_mode */
 474             if (drv_sgmode(TCB, TRUE, &(_term->Nttyb)) == OK) {
 475                 if (sp) {
 476                     if (sp->_keypad_on)
 477                         _nc_keypad(sp, TRUE);
 478                     NC_BUFFERED(sp, TRUE);
 479                 }
 480                 code = OK;
 481             }
 482         }
 483     } else {                    /* shell mode */
 484         if (defFlag) {
 485             /* def_shell_mode */
 486             if (drv_sgmode(TCB, FALSE, &(_term->Ottyb)) == OK) {
 487                 code = OK;
 488             }
 489         } else {
 490             /* reset_shell_mode */
 491             if (sp) {
 492                 _nc_keypad(sp, FALSE);
 493                 NCURSES_SP_NAME(_nc_flush) (sp);
 494                 NC_BUFFERED(sp, FALSE);
 495             }
 496             code = drv_sgmode(TCB, TRUE, &(_term->Ottyb));
 497         }
 498     }
 499
 500     return (code);
 501 }
 502
 503 static void
 504 drv_screen_init(SCREEN *sp GCC_UNUSED)
 505 {
 506 }
 507
 508 static void
 509 drv_wrap(SCREEN *sp GCC_UNUSED)
 510 {
 511 }
 512
 513 static int
 514 rkeycompare(const void *el1, const void *el2)
 515 {
 516     WORD key1 = (LOWORD((*((const LONG *) el1)))) & 0x7fff;
 517     WORD key2 = (LOWORD((*((const LONG *) el2)))) & 0x7fff;
 518
 519     return ((key1 < key2) ? -1 : ((key1 == key2) ? 0 : 1));
 520 }
 521
 522 static int
 523 keycompare(const void *el1, const void *el2)
 524 {
 525     WORD key1 = HIWORD((*((const LONG *) el1)));
 526     WORD key2 = HIWORD((*((const LONG *) el2)));
 527
 528     return ((key1 < key2) ? -1 : ((key1 == key2) ? 0 : 1));
 529 }
 530
 531 static int
 532 MapKey(TERMINAL_CONTROL_BLOCK * TCB, WORD vKey)
 533 {
 534     WORD nKey = 0;
 535     void *res;
 536     LONG key = GenMap(vKey, 0);
 537     int code = -1;
 538
 539     AssertTCB();
 540
 541     res = bsearch(&key,
 542                   PropOf(TCB)->map,
 543                   (size_t) (N_INI + FKEYS),
 544                   sizeof(keylist[0]),
 545                   keycompare);
 546     if (res) {
 547         key = *((LONG *) res);
 548         nKey = LOWORD(key);
 549         code = (int) (nKey & 0x7fff);
 550         if (nKey & 0x8000)
 551             code = -code;
 552     }
 553     return code;
 554 }
 555
 556 static void
 557 drv_release(TERMINAL_CONTROL_BLOCK * TCB)
 558 {
 559     T((T_CALLED("drv_release(%p)"), TCB));
 560
 561     AssertTCB();
 562     if (TCB->prop)
 563         free(TCB->prop);
 564
 565     returnVoid;
 566 }
 567
 568 static void
 569 drv_init(TERMINAL_CONTROL_BLOCK * TCB)
 570 {
 571     DWORD num_buttons;
 572
 573     T((T_CALLED("drv_init(%p)"), TCB));
 574
 575     AssertTCB();
 576
 577     if (TCB) {
 578         BOOL b = AllocConsole();
 579         WORD a;
 580         int i;
 581
 582         if (!b)
 583             b = AttachConsole(ATTACH_PARENT_PROCESS);
 584
 585         TCB->inp = GetStdHandle(STD_INPUT_HANDLE);
 586         TCB->out = GetStdHandle(STD_OUTPUT_HANDLE);
 587
 588         if (getenv("NCGDB"))
 589             TCB->hdl = TCB->out;
 590         else
 591             TCB->hdl = CreateConsoleScreenBuffer(GENERIC_READ | GENERIC_WRITE,
 592                                                  0,
 593                                                  NULL,
 594                                                  CONSOLE_TEXTMODE_BUFFER,
 595                                                  NULL);
 596
 597         if (!InvalidConsoleHandle(TCB->hdl)) {
 598             TCB->prop = typeCalloc(Properties, 1);
 599             GetConsoleScreenBufferInfo(TCB->hdl, &(PropOf(TCB)->SBI));
 600         }
 601
 602         TCB->info.initcolor = TRUE;
 603         TCB->info.canchange = FALSE;
 604         TCB->info.hascolor = TRUE;
 605         TCB->info.caninit = TRUE;
 606
 607         TCB->info.maxpairs = NUMPAIRS;
 608         TCB->info.maxcolors = 8;
 609         TCB->info.numlabels = 0;
 610         TCB->info.labelwidth = 0;
 611         TCB->info.labelheight = 0;
 612         TCB->info.nocolorvideo = 1;
 613         TCB->info.tabsize = 8;
 614
 615         if (GetNumberOfConsoleMouseButtons(&num_buttons)) {
 616             T(("mouse has %ld buttons", num_buttons));
 617             TCB->info.numbuttons = num_buttons;
 618         } else {
 619             TCB->info.numbuttons = 1;
 620         }
 621
 622         TCB->info.defaultPalette = _nc_cga_palette;
 623
 624         for (i = 0; i < (N_INI + FKEYS); i++) {
 625             if (i < N_INI)
 626                 PropOf(TCB)->rmap[i] = PropOf(TCB)->map[i] = keylist[i];
 627             else
 628                 PropOf(TCB)->rmap[i] = PropOf(TCB)->map[i] =
 629                     GenMap((VK_F1 + (i - N_INI)), (KEY_F(1) + (i - N_INI)));
 630         }
 631         qsort(PropOf(TCB)->map,
 632               (size_t) (MAPSIZE),
 633               sizeof(keylist[0]),
 634               keycompare);
 635         qsort(PropOf(TCB)->rmap,
 636               (size_t) (MAPSIZE),
 637               sizeof(keylist[0]),
 638               rkeycompare);
 639
 640         a = MapColor(true, COLOR_WHITE) | MapColor(false, COLOR_BLACK);
 641         for (i = 0; i < NUMPAIRS; i++)
 642             PropOf(TCB)->pairs[i] = a;
 643     }
 644     returnVoid;
 645 }
 646
 647 static void
 648 drv_initpair(TERMINAL_CONTROL_BLOCK * TCB,
 649              short pair,
 650              short f,
 651              short b)
 652 {
 653     SCREEN *sp;
 654
 655     AssertTCB();
 656     SetSP();
 657
 658     if ((pair > 0) && (pair < NUMPAIRS) && (f >= 0) && (f < 8)
 659         && (b >= 0) && (b < 8)) {
 660         PropOf(TCB)->pairs[pair] = MapColor(true, f) | MapColor(false, b);
 661     }
 662 }
 663
 664 static void
 665 drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
 666               short color GCC_UNUSED,
 667               short r GCC_UNUSED,
 668               short g GCC_UNUSED,
 669               short b GCC_UNUSED)
 670 {
 671     SCREEN *sp;
 672
 673     AssertTCB();
 674     SetSP();
 675 }
 676
 677 static void
 678 drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
 679              short old_pair GCC_UNUSED,
 680              short pair GCC_UNUSED,
 681              bool reverse GCC_UNUSED,
 682              int (*outc) (SCREEN *, int) GCC_UNUSED
 683 )
 684 {
 685     SCREEN *sp;
 686
 687     AssertTCB();
 688     SetSP();
 689 }
 690
 691 static void
 692 drv_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
 693 {
 694     SCREEN *sp;
 695
 696     AssertTCB();
 697     SetSP();
 698
 699     sp->_mouse_type = M_TERM_DRIVER;
 700 }
 701
 702 static int
 703 drv_testmouse(TERMINAL_CONTROL_BLOCK * TCB, int delay)
 704 {
 705     int rc = 0;
 706     SCREEN *sp;
 707
 708     AssertTCB();
 709     SetSP();
 710
 711     if (sp->_drv_mouse_head < sp->_drv_mouse_tail) {
 712         rc = TW_MOUSE;
 713     } else {
 714         rc = TCBOf(sp)->drv->twait(TCBOf(sp),
 715                                    TWAIT_MASK,
 716                                    delay,
 717                                    (int *) 0
 718                                    EVENTLIST_2nd(evl));
 719     }
 720
 721     return rc;
 722 }
 723
 724 static int
 725 drv_mvcur(TERMINAL_CONTROL_BLOCK * TCB,
 726           int yold GCC_UNUSED, int xold GCC_UNUSED,
 727           int y, int x)
 728 {
 729     int ret = ERR;
 730     if (TCB && !InvalidConsoleHandle(TCB->hdl)) {
 731         COORD loc;
 732         loc.X = (short) x;
 733         loc.Y = (short) y;
 734         SetConsoleCursorPosition(TCB->hdl, loc);
 735         ret = OK;
 736     }
 737     return ret;
 738 }
 739
 740 static void
 741 drv_hwlabel(TERMINAL_CONTROL_BLOCK * TCB,
 742             int labnum GCC_UNUSED,
 743             char *text GCC_UNUSED)
 744 {
 745     SCREEN *sp;
 746
 747     AssertTCB();
 748     SetSP();
 749 }
 750
 751 static void
 752 drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB,
 753                  bool OnFlag GCC_UNUSED)
 754 {
 755     SCREEN *sp;
 756
 757     AssertTCB();
 758     SetSP();
 759 }
 760
 761 static chtype
 762 drv_conattr(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED)
 763 {
 764     chtype res = A_NORMAL;
 765     res |= (A_BOLD | A_DIM | A_REVERSE | A_STANDOUT | A_COLOR);
 766     return res;
 767 }
 768
 769 static void
 770 drv_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
 771 {
 772     SCREEN *sp;
 773
 774     AssertTCB();
 775     SetSP();
 776 }
 777
 778 static void
 779 drv_initacs(TERMINAL_CONTROL_BLOCK * TCB,
 780             chtype *real_map GCC_UNUSED,
 781             chtype *fake_map GCC_UNUSED)
 782 {
 783 #define DATA(a,b) { a, b }
 784     static struct {
 785         int acs_code;
 786         int use_code;
 787     } table[] = {
 788         DATA('a', 0xb1),        /* ACS_CKBOARD  */
 789             DATA('f', 0xf8),    /* ACS_DEGREE   */
 790             DATA('g', 0xf1),    /* ACS_PLMINUS  */
 791             DATA('j', 0xd9),    /* ACS_LRCORNER */
 792             DATA('l', 0xda),    /* ACS_ULCORNER */
 793             DATA('k', 0xbf),    /* ACS_URCORNER */
 794             DATA('m', 0xc0),    /* ACS_LLCORNER */
 795             DATA('n', 0xc5),    /* ACS_PLUS     */
 796             DATA('q', 0xc4),    /* ACS_HLINE    */
 797             DATA('t', 0xc3),    /* ACS_LTEE     */
 798             DATA('u', 0xb4),    /* ACS_RTEE     */
 799             DATA('v', 0xc1),    /* ACS_BTEE     */
 800             DATA('w', 0xc2),    /* ACS_TTEE     */
 801             DATA('x', 0xb3),    /* ACS_VLINE    */
 802             DATA('y', 0xf3),    /* ACS_LEQUAL   */
 803             DATA('z', 0xf2),    /* ACS_GEQUAL   */
 804             DATA('0', 0xdb),    /* ACS_BLOCK    */
 805             DATA('{', 0xe3),    /* ACS_PI       */
 806             DATA('}', 0x9c),    /* ACS_STERLING */
 807             DATA(',', 0xae),    /* ACS_LARROW   */
 808             DATA('+', 0xaf),    /* ACS_RARROW   */
 809             DATA('~', 0xf9),    /* ACS_BULLET   */
 810     };
 811 #undef DATA
 812     unsigned n;
 813
 814     SCREEN *sp;
 815     AssertTCB();
 816     SetSP();
 817
 818     for (n = 0; n < SIZEOF(table); ++n) {
 819         real_map[table[n].acs_code] = table[n].use_code | A_ALTCHARSET;
 820         if (sp != 0)
 821             sp->_screen_acs_map[table[n].acs_code] = TRUE;
 822     }
 823 }
 824
 825 static ULONGLONG
 826 tdiff(FILETIME fstart, FILETIME fend)
 827 {
 828     ULARGE_INTEGER ustart;
 829     ULARGE_INTEGER uend;
 830     ULONGLONG diff;
 831
 832     ustart.LowPart = fstart.dwLowDateTime;
 833     ustart.HighPart = fstart.dwHighDateTime;
 834     uend.LowPart = fend.dwLowDateTime;
 835     uend.HighPart = fend.dwHighDateTime;
 836
 837     diff = (uend.QuadPart - ustart.QuadPart) / 10000;
 838     return diff;
 839 }
 840
 841 static int
 842 Adjust(int milliseconds, int diff)
 843 {
 844     if (milliseconds == INFINITY)
 845         return milliseconds;
 846     milliseconds -= diff;
 847     if (milliseconds < 0)
 848         milliseconds = 0;
 849     return milliseconds;
 850 }
 851
 852 #define BUTTON_MASK (FROM_LEFT_1ST_BUTTON_PRESSED | \
 853                      FROM_LEFT_2ND_BUTTON_PRESSED | \
 854                      FROM_LEFT_3RD_BUTTON_PRESSED | \
 855                      FROM_LEFT_4TH_BUTTON_PRESSED | \
 856                      RIGHTMOST_BUTTON_PRESSED)
 857
 858 static int
 859 decode_mouse(TERMINAL_CONTROL_BLOCK * TCB, int mask)
 860 {
 861     SCREEN *sp;
 862     int result = 0;
 863
 864     AssertTCB();
 865     SetSP();
 866
 867     if (mask & FROM_LEFT_1ST_BUTTON_PRESSED)
 868         result |= BUTTON1_PRESSED;
 869     if (mask & FROM_LEFT_2ND_BUTTON_PRESSED)
 870         result |= BUTTON2_PRESSED;
 871     if (mask & FROM_LEFT_3RD_BUTTON_PRESSED)
 872         result |= BUTTON3_PRESSED;
 873     if (mask & FROM_LEFT_4TH_BUTTON_PRESSED)
 874         result |= BUTTON4_PRESSED;
 875
 876     if (mask & RIGHTMOST_BUTTON_PRESSED) {
 877         switch (TCB->info.numbuttons) {
 878         case 1:
 879             result |= BUTTON1_PRESSED;
 880             break;
 881         case 2:
 882             result |= BUTTON2_PRESSED;
 883             break;
 884         case 3:
 885             result |= BUTTON3_PRESSED;
 886             break;
 887         case 4:
 888             result |= BUTTON4_PRESSED;
 889             break;
 890         }
 891     }
 892
 893     return result;
 894 }
 895
 896 static int
 897 drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
 898           int mode,
 899           int milliseconds,
 900           int *timeleft
 901           EVENTLIST_2nd(_nc_eventlist * evl))
 902 {
 903     SCREEN *sp;
 904     INPUT_RECORD inp;
 905     BOOL b;
 906     DWORD nRead = 0, rc = -1;
 907     int code = 0;
 908     FILETIME fstart;
 909     FILETIME fend;
 910     int diff;
 911     bool isImmed = (milliseconds == 0);
 912
 913 #define CONSUME() ReadConsoleInput(TCB->inp,&inp,1,&nRead)
 914
 915     AssertTCB();
 916     SetSP();
 917
 918     TR(TRACE_IEVENT, ("start twait: %d milliseconds, mode: %d",
 919                       milliseconds, mode));
 920
 921     if (milliseconds < 0)
 922         milliseconds = INFINITY;
 923
 924     memset(&inp, 0, sizeof(inp));
 925
 926     while (true) {
 927         GetSystemTimeAsFileTime(&fstart);
 928         rc = WaitForSingleObject(TCB->inp, milliseconds);
 929         GetSystemTimeAsFileTime(&fend);
 930         diff = (int) tdiff(fstart, fend);
 931         milliseconds = Adjust(milliseconds, diff);
 932
 933         if (!isImmed && milliseconds == 0)
 934             break;
 935
 936         if (rc == WAIT_OBJECT_0) {
 937             if (mode) {
 938                 b = GetNumberOfConsoleInputEvents(TCB->inp, &nRead);
 939                 if (b && nRead > 0) {
 940                     b = PeekConsoleInput(TCB->inp, &inp, 1, &nRead);
 941                     if (b && nRead > 0) {
 942                         switch (inp.EventType) {
 943                         case KEY_EVENT:
 944                             if (mode & TW_INPUT) {
 945                                 WORD vk = inp.Event.KeyEvent.wVirtualKeyCode;
 946                                 char ch = inp.Event.KeyEvent.uChar.AsciiChar;
 947
 948                                 if (inp.Event.KeyEvent.bKeyDown) {
 949                                     if (0 == ch) {
 950                                         int nKey = MapKey(TCB, vk);
 951                                         if ((nKey < 0) || FALSE == sp->_keypad_on) {
 952                                             CONSUME();
 953                                             continue;
 954                                         }
 955                                     }
 956                                     code = TW_INPUT;
 957                                     goto end;
 958                                 } else {
 959                                     CONSUME();
 960                                 }
 961                             }
 962                             continue;
 963                         case MOUSE_EVENT:
 964                             if (decode_mouse(TCB,
 965                                              (inp.Event.MouseEvent.dwButtonState
 966                                               & BUTTON_MASK)) == 0) {
 967                                 CONSUME();
 968                             } else if (mode & TW_MOUSE) {
 969                                 code = TW_MOUSE;
 970                                 goto end;
 971                             }
 972                             continue;
 973                         default:
 974                             SetConsoleActiveScreenBuffer(!PropOf(TCB)->progMode ?
 975                                                          TCB->hdl : TCB->out);
 976                             continue;
 977                         }
 978                     }
 979                 }
 980             }
 981             continue;
 982         } else {
 983             if (rc != WAIT_TIMEOUT) {
 984                 code = -1;
 985                 break;
 986             } else {
 987                 code = 0;
 988                 break;
 989             }
 990         }
 991     }
 992   end:
 993
 994     TR(TRACE_IEVENT, ("end twait: returned %d (%d), remaining time %d msec",
 995                       code, errno, milliseconds));
 996
 997     if (timeleft)
 998         *timeleft = milliseconds;
 999
1000     return code;
1001 }
1002
1003 static bool
1004 handle_mouse(TERMINAL_CONTROL_BLOCK * TCB, MOUSE_EVENT_RECORD mer)
1005 {
1006     SCREEN *sp;
1007     MEVENT work;
1008     bool result = FALSE;
1009
1010     AssertTCB();
1011     SetSP();
1012
1013     sp->_drv_mouse_old_buttons = sp->_drv_mouse_new_buttons;
1014     sp->_drv_mouse_new_buttons = mer.dwButtonState & BUTTON_MASK;
1015
1016     /*
1017      * We're only interested if the button is pressed or released.
1018      * FIXME: implement continuous event-tracking.
1019      */
1020     if (sp->_drv_mouse_new_buttons != sp->_drv_mouse_old_buttons) {
1021
1022         memset(&work, 0, sizeof(work));
1023
1024         if (sp->_drv_mouse_new_buttons) {
1025
1026             work.bstate |= decode_mouse(TCB, sp->_drv_mouse_new_buttons);
1027
1028         } else {
1029
1030             /* cf: BUTTON_PRESSED, BUTTON_RELEASED */
1031             work.bstate |= (decode_mouse(TCB, sp->_drv_mouse_old_buttons) >> 1);
1032
1033             result = TRUE;
1034         }
1035
1036         work.x = mer.dwMousePosition.X;
1037         work.y = mer.dwMousePosition.Y;
1038
1039         sp->_drv_mouse_fifo[sp->_drv_mouse_tail] = work;
1040         sp->_drv_mouse_tail += 1;
1041     }
1042
1043     return result;
1044 }
1045
1046 static int
1047 drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
1048 {
1049     SCREEN *sp;
1050     int n = 1;
1051     INPUT_RECORD inp;
1052     BOOL b;
1053     DWORD nRead;
1054     WORD vk;
1055     WORD sc;
1056
1057     AssertTCB();
1058     assert(buf);
1059     SetSP();
1060
1061     memset(&inp, 0, sizeof(inp));
1062
1063     T((T_CALLED("drv_read(%p)"), TCB));
1064     while ((b = ReadConsoleInput(TCB->inp, &inp, 1, &nRead))) {
1065         if (b && nRead > 0) {
1066             if (inp.EventType == KEY_EVENT) {
1067                 if (!inp.Event.KeyEvent.bKeyDown)
1068                     continue;
1069                 *buf = (int) inp.Event.KeyEvent.uChar.AsciiChar;
1070                 vk = inp.Event.KeyEvent.wVirtualKeyCode;
1071                 sc = inp.Event.KeyEvent.wVirtualScanCode;
1072                 if (*buf == 0) {
1073                     if (sp->_keypad_on) {
1074                         *buf = MapKey(TCB, vk);
1075                         if (0 > (*buf))
1076                             continue;
1077                         else
1078                             break;
1079                     } else
1080                         continue;
1081                 } else {        /* *buf != 0 */
1082                     break;
1083                 }
1084             } else if (inp.EventType == MOUSE_EVENT) {
1085                 if (handle_mouse(TCB, inp.Event.MouseEvent)) {
1086                     *buf = KEY_MOUSE;
1087                     break;
1088                 }
1089             }
1090             continue;
1091         }
1092     }
1093     returnCode(n);
1094 }
1095
1096 static int
1097 drv_nap(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int ms)
1098 {
1099     Sleep(ms);
1100     return OK;
1101 }
1102
1103 static bool
1104 drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int keycode)
1105 {
1106     SCREEN *sp;
1107     WORD nKey;
1108     void *res;
1109     bool found = FALSE;
1110     LONG key = GenMap(0, (WORD) keycode);
1111
1112     AssertTCB();
1113     SetSP();
1114
1115     AssertTCB();
1116
1117     res = bsearch(&key,
1118                   PropOf(TCB)->rmap,
1119                   (size_t) (N_INI + FKEYS),
1120                   sizeof(keylist[0]),
1121                   rkeycompare);
1122     if (res) {
1123         key = *((LONG *) res);
1124         nKey = LOWORD(key);
1125         if (!(nKey & 0x8000))
1126             found = TRUE;
1127     }
1128     return found;
1129 }
1130
1131 static int
1132 drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, bool flag GCC_UNUSED)
1133 {
1134     SCREEN *sp;
1135     int code = ERR;
1136
1137     AssertTCB();
1138     sp = TCB->csp;
1139
1140     if (sp) {
1141         code = OK;
1142     }
1143     return code;
1144 }
1145
1146 static int
1147 drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int keycode, bool flag)
1148 {
1149     int code = ERR;
1150     SCREEN *sp;
1151     WORD nKey;
1152     WORD vKey;
1153     void *res;
1154     LONG key = GenMap(0, (WORD) keycode);
1155
1156     AssertTCB();
1157     SetSP();
1158
1159     if (sp) {
1160         res = bsearch(&key,
1161                       PropOf(TCB)->rmap,
1162                       (size_t) (N_INI + FKEYS),
1163                       sizeof(keylist[0]),
1164                       rkeycompare);
1165         if (res) {
1166             key = *((LONG *) res);
1167             vKey = HIWORD(key);
1168             nKey = (LOWORD(key)) & 0x7fff;
1169             if (!flag)
1170                 nKey |= 0x8000;
1171             *(LONG *) res = GenMap(vKey, nKey);
1172         }
1173     }
1174     return code;
1175 }
1176
1177 NCURSES_EXPORT_VAR (TERM_DRIVER) _nc_WIN_DRIVER = {
1178     FALSE,
1179         drv_CanHandle,          /* CanHandle */
1180         drv_init,               /* init */
1181         drv_release,            /* release */
1182         drv_size,               /* size */
1183         drv_sgmode,             /* sgmode */
1184         drv_conattr,            /* conattr */
1185         drv_mvcur,              /* hwcur */
1186         drv_mode,               /* mode */
1187         drv_rescol,             /* rescol */
1188         drv_rescolors,          /* rescolors */
1189         drv_setcolor,           /* color */
1190         drv_dobeepflash,        /* DoBeepFlash */
1191         drv_initpair,           /* initpair */
1192         drv_initcolor,          /* initcolor */
1193         drv_do_color,           /* docolor */
1194         drv_initmouse,          /* initmouse */
1195         drv_testmouse,          /* testmouse */
1196         drv_setfilter,          /* setfilter */
1197         drv_hwlabel,            /* hwlabel */
1198         drv_hwlabelOnOff,       /* hwlabelOnOff */
1199         drv_doupdate,           /* update */
1200         drv_defaultcolors,      /* defaultcolors */
1201         drv_print,              /* print */
1202         drv_size,               /* getsize */
1203         drv_setsize,            /* setsize */
1204         drv_initacs,            /* initacs */
1205         drv_screen_init,        /* scinit */
1206         drv_wrap,               /* scexit */
1207         drv_twait,              /* twait */
1208         drv_read,               /* read */
1209         drv_nap,                /* nap */
1210         drv_kpad,               /* kpad */
1211         drv_keyok,              /* kyOk */
1212         drv_kyExist             /* kyExist */
1213 };