win32_driver.c

   1 /****************************************************************************
   2  * Copyright 2018,2020 Thomas E. Dickey                                     *
   3  * Copyright 2008-2016,2017 Free Software Foundation, Inc.                  *
   4  *                                                                          *
   5  * Permission is hereby granted, free of charge, to any person obtaining a  *
   6  * copy of this software and associated documentation files (the            *
   7  * "Software"), to deal in the Software without restriction, including      *
   8  * without limitation the rights to use, copy, modify, merge, publish,      *
   9  * distribute, distribute with modifications, sublicense, and/or sell       *
  10  * copies of the Software, and to permit persons to whom the Software is    *
  11  * furnished to do so, subject to the following conditions:                 *
  12  *                                                                          *
  13  * The above copyright notice and this permission notice shall be included  *
  14  * in all copies or substantial portions of the Software.                   *
  15  *                                                                          *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  19  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  22  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  23  *                                                                          *
  24  * Except as contained in this notice, the name(s) of the above copyright   *
  25  * holders shall not be used in advertising or otherwise to promote the     *
  26  * sale, use or other dealings in this Software without prior written       *
  27  * authorization.                                                           *
  28  ****************************************************************************/
  29
  30 /****************************************************************************
  31  *  Author: Juergen Pfeifer                                                 *
  32  *     and: Thomas E. Dickey                                                *
  33  ****************************************************************************/
  34
  35 /*
  36  * TODO - improve screen-repainting performance, using implied wraparound to reduce write's
  37  * TODO - make it optional whether screen is restored or not when non-buffered
  38  */
  39
  40 #include <curses.priv.h>
  41 #ifdef _NC_WINDOWS
  42 #if (defined(__MINGW32__) || defined(__MINGW64__))
  43 #include <wchar.h>
  44 #else
  45 #include <tchar.h>
  46 #endif
  47 #include <io.h>
  48
  49 #define CUR TerminalType(my_term).
  50
  51 MODULE_ID("$Id: win32_driver.c,v 1.1 2020/08/29 19:26:24 tom Exp $")
  52
  53 #define WINMAGIC NCDRV_MAGIC(NCDRV_WINCONSOLE)
  54 #define EXP_OPTIMIZE 0
  55
  56 static bool console_initialized = FALSE;
  57
  58 #define AssertTCB() assert(TCB != 0 && (TCB->magic == WINMAGIC))
  59 #define validateConsoleHandle() (AssertTCB() , console_initialized ||\
  60                                  (console_initialized=\
  61                                   _nc_console_checkinit(TRUE,FALSE)))
  62 #define SetSP() assert(TCB->csp != 0); sp = TCB->csp; (void) sp
  63 #define AdjustY() (WINCONSOLE.buffered ?\
  64                    0 : (int) WINCONSOLE.SBI.srWindow.Top)
  65 #define RevAttr(attr) (WORD) (((attr) & 0xff00) |   \
  66                               ((((attr) & 0x07) << 4) | \
  67                                (((attr) & 0x70) >> 4)))
  68
  69 #if USE_WIDEC_SUPPORT
  70 #define write_screen WriteConsoleOutputW
  71 #define read_screen  ReadConsoleOutputW
  72 #else
  73 #define write_screen WriteConsoleOutput
  74 #define read_screen  ReadConsoleOutput
  75 #endif
  76
  77 static WORD
  78 MapAttr(WORD res, attr_t ch)
  79 {
  80     if (ch & A_COLOR) {
  81         int p;
  82
  83         p = PairNumber(ch);
  84         if (p > 0 && p < CON_NUMPAIRS) {
  85             WORD a;
  86             a = WINCONSOLE.pairs[p];
  87             res = (WORD) ((res & 0xff00) | a);
  88         }
  89     }
  90
  91     if (ch & A_REVERSE) {
  92         res = RevAttr(res);
  93     }
  94
  95     if (ch & A_STANDOUT) {
  96         res = RevAttr(res) | BACKGROUND_INTENSITY;
  97     }
  98
  99     if (ch & A_BOLD)
 100         res |= FOREGROUND_INTENSITY;
 101
 102     if (ch & A_DIM)
 103         res |= BACKGROUND_INTENSITY;
 104
 105     return res;
 106 }
 107
 108 #if 0                           /* def TRACE */
 109 static void
 110 dump_screen(const char *fn, int ln)
 111 {
 112     int max_cells = (WINCONSOLE.SBI.dwSize.Y *
 113                      (1 + WINCONSOLE.SBI.dwSize.X)) + 1;
 114     char output[max_cells];
 115     CHAR_INFO save_screen[max_cells];
 116     COORD save_size;
 117     SMALL_RECT save_region;
 118     COORD bufferCoord;
 119
 120     T(("dump_screen %s@%d", fn, ln));
 121
 122     save_region.Top = WINCONSOLE.SBI.srWindow.Top;
 123     save_region.Left = WINCONSOLE.SBI.srWindow.Left;
 124     save_region.Bottom = WINCONSOLE.SBI.srWindow.Bottom;
 125     save_region.Right = WINCONSOLE.SBI.srWindow.Right;
 126
 127     save_size.X = (SHORT) (save_region.Right - save_region.Left + 1);
 128     save_size.Y = (SHORT) (save_region.Bottom - save_region.Top + 1);
 129
 130     bufferCoord.X = bufferCoord.Y = 0;
 131
 132     if (read_screen(WINCONSOLE.hdl,
 133                     save_screen,
 134                     save_size,
 135                     bufferCoord,
 136                     &save_region)) {
 137         int i, j;
 138         int ij = 0;
 139         int k = 0;
 140
 141         for (i = save_region.Top; i <= save_region.Bottom; ++i) {
 142             for (j = save_region.Left; j <= save_region.Right; ++j) {
 143                 output[k++] = save_screen[ij++].Char.AsciiChar;
 144             }
 145             output[k++] = '\n';
 146         }
 147         output[k] = 0;
 148
 149         T(("DUMP: %d,%d - %d,%d",
 150            save_region.Top,
 151            save_region.Left,
 152            save_region.Bottom,
 153            save_region.Right));
 154         T(("%s", output));
 155     }
 156 }
 157
 158 #else
 159 #define dump_screen(fn,ln)      /* nothing */
 160 #endif
 161
 162 #if USE_WIDEC_SUPPORT
 163 /*
 164  * TODO: support surrogate pairs
 165  * TODO: support combining characters
 166  * TODO: support acsc
 167  * TODO: _nc_wacs should be part of sp.
 168  */
 169 static BOOL
 170 con_write16(TERMINAL_CONTROL_BLOCK * TCB,
 171             int y, int x, cchar_t *str, int limit)
 172 {
 173     int actual = 0;
 174     CHAR_INFO *ci = TypeAlloca(CHAR_INFO, limit);
 175     COORD loc, siz;
 176     SMALL_RECT rec;
 177     int i;
 178     cchar_t ch;
 179     SCREEN *sp;
 180
 181     AssertTCB();
 182     SetSP();
 183
 184     for (i = actual = 0; i < limit; i++) {
 185         ch = str[i];
 186         if (isWidecExt(ch))
 187             continue;
 188         ci[actual].Char.UnicodeChar = CharOf(ch);
 189         ci[actual].Attributes = MapAttr(WINCONSOLE.SBI.wAttributes,
 190                                         AttrOf(ch));
 191         if (AttrOf(ch) & A_ALTCHARSET) {
 192             if (_nc_wacs) {
 193                 int which = CharOf(ch);
 194                 if (which > 0
 195                     && which < ACS_LEN
 196                     && CharOf(_nc_wacs[which]) != 0) {
 197                     ci[actual].Char.UnicodeChar = CharOf(_nc_wacs[which]);
 198                 } else {
 199                     ci[actual].Char.UnicodeChar = ' ';
 200                 }
 201             }
 202         }
 203         ++actual;
 204     }
 205
 206     loc.X = (SHORT) 0;
 207     loc.Y = (SHORT) 0;
 208     siz.X = (SHORT) actual;
 209     siz.Y = 1;
 210
 211     rec.Left = (SHORT) x;
 212     rec.Top = (SHORT) (y + AdjustY());
 213     rec.Right = (SHORT) (x + limit - 1);
 214     rec.Bottom = rec.Top;
 215
 216     return write_screen(WINCONSOLE.hdl, ci, siz, loc, &rec);
 217 }
 218 #define con_write(tcb, y, x, str, n) con_write16(tcb, y, x, str, n)
 219 #else
 220 static BOOL
 221 con_write8(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, chtype *str, int n)
 222 {
 223     CHAR_INFO *ci = TypeAlloca(CHAR_INFO, n);
 224     COORD loc, siz;
 225     SMALL_RECT rec;
 226     int i;
 227     chtype ch;
 228     SCREEN *sp;
 229
 230     AssertTCB();
 231     SetSP();
 232
 233     for (i = 0; i < n; i++) {
 234         ch = str[i];
 235         ci[i].Char.AsciiChar = ChCharOf(ch);
 236         ci[i].Attributes = MapAttr(WINCONSOLE.SBI.wAttributes,
 237                                    ChAttrOf(ch));
 238         if (ChAttrOf(ch) & A_ALTCHARSET) {
 239             if (sp->_acs_map)
 240                 ci[i].Char.AsciiChar =
 241                 ChCharOf(NCURSES_SP_NAME(_nc_acs_char) (sp, ChCharOf(ch)));
 242         }
 243     }
 244
 245     loc.X = (short) 0;
 246     loc.Y = (short) 0;
 247     siz.X = (short) n;
 248     siz.Y = 1;
 249
 250     rec.Left = (short) x;
 251     rec.Top = (short) y;
 252     rec.Right = (short) (x + n - 1);
 253     rec.Bottom = rec.Top;
 254
 255     return write_screen(WINCONSOLE.hdl, ci, siz, loc, &rec);
 256 }
 257 #define con_write(tcb, y, x, str, n) con_write8(tcb, y, x, str, n)
 258 #endif
 259
 260 #if EXP_OPTIMIZE
 261 /*
 262  * Comparing new/current screens, determine the last column-index for a change
 263  * beginning on the given row,col position.  Unlike a serial terminal, there is
 264  * no cost for "moving" the "cursor" on the line as we update it.
 265  */
 266 static int
 267 find_end_of_change(SCREEN *sp, int row, int col)
 268 {
 269     int result = col;
 270     struct ldat *curdat = CurScreen(sp)->_line + row;
 271     struct ldat *newdat = NewScreen(sp)->_line + row;
 272
 273     while (col <= newdat->lastchar) {
 274 #if USE_WIDEC_SUPPORT
 275         if (isWidecExt(curdat->text[col]) ||
 276             isWidecExt(newdat->text[col])) {
 277             result = col;
 278         } else if (memcmp(&curdat->text[col],
 279                           &newdat->text[col],
 280                           sizeof(curdat->text[0]))) {
 281             result = col;
 282         } else {
 283             break;
 284         }
 285 #else
 286         if (curdat->text[col] != newdat->text[col]) {
 287             result = col;
 288         } else {
 289             break;
 290         }
 291 #endif
 292         ++col;
 293     }
 294     return result;
 295 }
 296
 297 /*
 298  * Given a row,col position at the end of a change-chunk, look for the
 299  * beginning of the next change-chunk.
 300  */
 301 static int
 302 find_next_change(SCREEN *sp, int row, int col)
 303 {
 304     struct ldat *curdat = CurScreen(sp)->_line + row;
 305     struct ldat *newdat = NewScreen(sp)->_line + row;
 306     int result = newdat->lastchar + 1;
 307
 308     while (++col <= newdat->lastchar) {
 309 #if USE_WIDEC_SUPPORT
 310         if (isWidecExt(curdat->text[col]) !=
 311             isWidecExt(newdat->text[col])) {
 312             result = col;
 313             break;
 314         } else if (memcmp(&curdat->text[col],
 315                           &newdat->text[col],
 316                           sizeof(curdat->text[0]))) {
 317             result = col;
 318             break;
 319         }
 320 #else
 321         if (curdat->text[col] != newdat->text[col]) {
 322             result = col;
 323             break;
 324         }
 325 #endif
 326     }
 327     return result;
 328 }
 329
 330 #define EndChange(first) \
 331         find_end_of_change(sp, y, first)
 332 #define NextChange(last)                        \
 333         find_next_change(sp, y, last)
 334
 335 #endif /* EXP_OPTIMIZE */
 336
 337 #define MARK_NOCHANGE(win,row)                 \
 338     win->_line[row].firstchar = _NOCHANGE;     \
 339     win->_line[row].lastchar  = _NOCHANGE
 340
 341 static bool
 342 restore_original_screen(void)
 343 {
 344     COORD bufferCoord;
 345     bool result = FALSE;
 346     SMALL_RECT save_region = WINCONSOLE.save_region;
 347
 348     T(("... restoring %s", WINCONSOLE.window_only ?
 349        "window" : "entire buffer"));
 350
 351     bufferCoord.X = (SHORT) (WINCONSOLE.window_only ?
 352                              WINCONSOLE.SBI.srWindow.Left : 0);
 353     bufferCoord.Y = (SHORT) (WINCONSOLE.window_only ?
 354                              WINCONSOLE.SBI.srWindow.Top : 0);
 355
 356     if (write_screen(WINCONSOLE.hdl,
 357                      WINCONSOLE.save_screen,
 358                      WINCONSOLE.save_size,
 359                      bufferCoord,
 360                      &save_region)) {
 361         result = TRUE;
 362         mvcur(-1, -1, LINES - 2, 0);
 363         T(("... restore original screen contents ok %dx%d (%d,%d - %d,%d)",
 364            WINCONSOLE.save_size.Y,
 365            WINCONSOLE.save_size.X,
 366            save_region.Top,
 367            save_region.Left,
 368            save_region.Bottom,
 369            save_region.Right));
 370     } else {
 371         T(("... restore original screen contents err"));
 372     }
 373     return result;
 374 }
 375
 376 static const char *
 377 wcon_name(TERMINAL_CONTROL_BLOCK * TCB)
 378 {
 379     (void) TCB;
 380     return "win32console";
 381 }
 382
 383 static int
 384 wcon_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
 385 {
 386     int result = ERR;
 387     int y, nonempty, n, x0, x1, Width, Height;
 388     SCREEN *sp;
 389
 390     T((T_CALLED("win32con::wcon_doupdate(%p)"), TCB));
 391     if (validateConsoleHandle()) {
 392         SetSP();
 393
 394         Width = screen_columns(sp);
 395         Height = screen_lines(sp);
 396         nonempty = min(Height, NewScreen(sp)->_maxy + 1);
 397
 398         T(("... %dx%d clear cur:%d new:%d",
 399            Height, Width,
 400            CurScreen(sp)->_clear,
 401            NewScreen(sp)->_clear));
 402
 403         if (SP_PARM->_endwin == ewSuspend) {
 404
 405             T(("coming back from shell mode"));
 406             NCURSES_SP_NAME(reset_prog_mode) (NCURSES_SP_ARG);
 407
 408             NCURSES_SP_NAME(_nc_mvcur_resume) (NCURSES_SP_ARG);
 409             NCURSES_SP_NAME(_nc_screen_resume) (NCURSES_SP_ARG);
 410             SP_PARM->_mouse_resume(SP_PARM);
 411
 412             SP_PARM->_endwin = ewRunning;
 413         }
 414
 415         if ((CurScreen(sp)->_clear || NewScreen(sp)->_clear)) {
 416             int x;
 417 #if USE_WIDEC_SUPPORT
 418             cchar_t *empty = TypeAlloca(cchar_t, Width);
 419             wchar_t blank[2] =
 420             {
 421                 L' ', L'\0'
 422             };
 423
 424             for (x = 0; x < Width; x++)
 425                 setcchar(&empty[x], blank, 0, 0, 0);
 426 #else
 427             chtype *empty = TypeAlloca(chtype, Width);
 428
 429             for (x = 0; x < Width; x++)
 430                 empty[x] = ' ';
 431 #endif
 432
 433             for (y = 0; y < nonempty; y++) {
 434                 con_write(TCB, y, 0, empty, Width);
 435                 memcpy(empty,
 436                        CurScreen(sp)->_line[y].text,
 437                        (size_t) Width * sizeof(empty[0]));
 438             }
 439             CurScreen(sp)->_clear = FALSE;
 440             NewScreen(sp)->_clear = FALSE;
 441             touchwin(NewScreen(sp));
 442             T(("... cleared %dx%d lines @%d of screen", nonempty, Width,
 443                AdjustY()));
 444         }
 445
 446         for (y = 0; y < nonempty; y++) {
 447             x0 = NewScreen(sp)->_line[y].firstchar;
 448             if (x0 != _NOCHANGE) {
 449 #if EXP_OPTIMIZE
 450                 int x2;
 451                 int limit = NewScreen(sp)->_line[y].lastchar;
 452                 while ((x1 = EndChange(x0)) <= limit) {
 453                     while ((x2 = NextChange(x1)) <=
 454                            limit && x2 <= (x1 + 2)) {
 455                         x1 = x2;
 456                     }
 457                     n = x1 - x0 + 1;
 458                     memcpy(&CurScreen(sp)->_line[y].text[x0],
 459                            &NewScreen(sp)->_line[y].text[x0],
 460                            n * sizeof(CurScreen(sp)->_line[y].text[x0]));
 461                     con_write(TCB,
 462                               y,
 463                               x0,
 464                               &CurScreen(sp)->_line[y].text[x0], n);
 465                     x0 = NextChange(x1);
 466                 }
 467
 468                 /* mark line changed successfully */
 469                 if (y <= NewScreen(sp)->_maxy) {
 470                     MARK_NOCHANGE(NewScreen(sp), y);
 471                 }
 472                 if (y <= CurScreen(sp)->_maxy) {
 473                     MARK_NOCHANGE(CurScreen(sp), y);
 474                 }
 475 #else
 476                 x1 = NewScreen(sp)->_line[y].lastchar;
 477                 n = x1 - x0 + 1;
 478                 if (n > 0) {
 479                     memcpy(&CurScreen(sp)->_line[y].text[x0],
 480                            &NewScreen(sp)->_line[y].text[x0],
 481                            (size_t) n *
 482                            sizeof(CurScreen(sp)->_line[y].text[x0]));
 483                     con_write(TCB,
 484                               y,
 485                               x0,
 486                               &CurScreen(sp)->_line[y].text[x0], n);
 487
 488                     /* mark line changed successfully */
 489                     if (y <= NewScreen(sp)->_maxy) {
 490                         MARK_NOCHANGE(NewScreen(sp), y);
 491                     }
 492                     if (y <= CurScreen(sp)->_maxy) {
 493                         MARK_NOCHANGE(CurScreen(sp), y);
 494                     }
 495                 }
 496 #endif
 497             }
 498         }
 499
 500         /* put everything back in sync */
 501         for (y = nonempty; y <= NewScreen(sp)->_maxy; y++) {
 502             MARK_NOCHANGE(NewScreen(sp), y);
 503         }
 504         for (y = nonempty; y <= CurScreen(sp)->_maxy; y++) {
 505             MARK_NOCHANGE(CurScreen(sp), y);
 506         }
 507
 508         if (!NewScreen(sp)->_leaveok) {
 509             CurScreen(sp)->_curx = NewScreen(sp)->_curx;
 510             CurScreen(sp)->_cury = NewScreen(sp)->_cury;
 511
 512             TCB->drv->td_hwcur(TCB,
 513                                0,
 514                                0,
 515                                CurScreen(sp)->_cury,
 516                                CurScreen(sp)->_curx);
 517         }
 518         _nc_console_selectActiveHandle();
 519         result = OK;
 520     }
 521     returnCode(result);
 522 }
 523
 524 static bool
 525 wcon_CanHandle(TERMINAL_CONTROL_BLOCK * TCB,
 526                const char *tname,
 527                int *errret GCC_UNUSED)
 528 {
 529     bool code = FALSE;
 530
 531     T((T_CALLED("win32con::wcon_CanHandle(%p)"), TCB));
 532
 533     assert((TCB != 0) && (tname != 0));
 534
 535     TCB->magic = WINMAGIC;
 536
 537     if (tname == 0 || *tname == 0) {
 538         if (!_nc_console_vt_supported())
 539             code = TRUE;
 540     } else if (tname != 0 && *tname == '#') {
 541         /*
 542          * Use "#" (a character which cannot begin a terminal's name) to
 543          * select specific driver from the table.
 544          *
 545          * In principle, we could have more than one non-terminfo driver,
 546          * e.g., "win32gui".
 547          */
 548         size_t n = strlen(tname + 1);
 549         if (n != 0
 550             && ((strncmp(tname + 1, "win32console", n) == 0)
 551                 || (strncmp(tname + 1, "win32con", n) == 0))) {
 552             code = TRUE;
 553         }
 554     } else if (tname != 0 && stricmp(tname, "unknown") == 0) {
 555         code = TRUE;
 556     }
 557
 558     /*
 559      * This is intentional, to avoid unnecessary breakage of applications
 560      * using <term.h> symbols.
 561      */
 562     if (code && (TerminalType(&TCB->term).Booleans == 0)) {
 563         _nc_init_termtype(&TerminalType(&TCB->term));
 564 #if NCURSES_EXT_NUMBERS
 565         _nc_export_termtype2(&TCB->term.type, &TerminalType(&TCB->term));
 566 #endif
 567     }
 568
 569     if (!code) {
 570         if (_nc_console_test(0)) {
 571             T(("isTermInfoConsole=TRUE"));
 572             WINCONSOLE.isTermInfoConsole = TRUE;
 573         }
 574     }
 575     returnBool(code);
 576 }
 577
 578 static int
 579 wcon_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB,
 580                  int beepFlag)
 581 {
 582     SCREEN *sp;
 583     int res = ERR;
 584
 585     int high = (WINCONSOLE.SBI.srWindow.Bottom -
 586                 WINCONSOLE.SBI.srWindow.Top + 1);
 587     int wide = (WINCONSOLE.SBI.srWindow.Right -
 588                 WINCONSOLE.SBI.srWindow.Left + 1);
 589     int max_cells = (high * wide);
 590     int i;
 591
 592     CHAR_INFO *this_screen = TypeAlloca(CHAR_INFO, max_cells);
 593     CHAR_INFO *that_screen = TypeAlloca(CHAR_INFO, max_cells);
 594     COORD this_size;
 595     SMALL_RECT this_region;
 596     COORD bufferCoord;
 597
 598     if (validateConsoleHandle()) {
 599         SetSP();
 600         this_region.Top = WINCONSOLE.SBI.srWindow.Top;
 601         this_region.Left = WINCONSOLE.SBI.srWindow.Left;
 602         this_region.Bottom = WINCONSOLE.SBI.srWindow.Bottom;
 603         this_region.Right = WINCONSOLE.SBI.srWindow.Right;
 604
 605         this_size.X = (SHORT) wide;
 606         this_size.Y = (SHORT) high;
 607
 608         bufferCoord.X = this_region.Left;
 609         bufferCoord.Y = this_region.Top;
 610
 611         if (!beepFlag &&
 612             read_screen(WINCONSOLE.hdl,
 613                         this_screen,
 614                         this_size,
 615                         bufferCoord,
 616                         &this_region)) {
 617
 618             memcpy(that_screen,
 619                    this_screen,
 620                    sizeof(CHAR_INFO) * (size_t) max_cells);
 621
 622             for (i = 0; i < max_cells; i++) {
 623                 that_screen[i].Attributes =
 624                     RevAttr(that_screen[i].Attributes);
 625             }
 626
 627             write_screen(WINCONSOLE.hdl, that_screen, this_size,
 628                          bufferCoord, &this_region);
 629             Sleep(200);
 630             write_screen(WINCONSOLE.hdl, this_screen, this_size,
 631                          bufferCoord, &this_region);
 632
 633         } else {
 634             MessageBeep(MB_ICONWARNING);        /* MB_OK might be better */
 635         }
 636         res = OK;
 637     }
 638     return res;
 639 }
 640
 641 static int
 642 wcon_print(TERMINAL_CONTROL_BLOCK * TCB,
 643            char *data GCC_UNUSED,
 644            int len GCC_UNUSED)
 645 {
 646     SCREEN *sp;
 647
 648     AssertTCB();
 649     SetSP();
 650
 651     return ERR;
 652 }
 653
 654 static int
 655 wcon_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB,
 656                    int fg GCC_UNUSED,
 657                    int bg GCC_UNUSED)
 658 {
 659     SCREEN *sp;
 660     int code = ERR;
 661
 662     AssertTCB();
 663     SetSP();
 664
 665     return (code);
 666 }
 667
 668 static void
 669 wcon_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
 670               int fore,
 671               int color,
 672               int (*outc) (SCREEN *, int) GCC_UNUSED)
 673 {
 674     if (validateConsoleHandle()) {
 675         WORD a = _nc_console_MapColor(fore, color);
 676         a |= (WORD) ((WINCONSOLE.SBI.wAttributes) & (fore ? 0xfff8 : 0xff8f));
 677         SetConsoleTextAttribute(WINCONSOLE.hdl, a);
 678         _nc_console_get_SBI();
 679     }
 680 }
 681
 682 static bool
 683 wcon_rescol(TERMINAL_CONTROL_BLOCK * TCB)
 684 {
 685     bool res = FALSE;
 686
 687     if (validateConsoleHandle()) {
 688         WORD a = FOREGROUND_BLUE | FOREGROUND_RED | FOREGROUND_GREEN;
 689         SetConsoleTextAttribute(WINCONSOLE.hdl, a);
 690         _nc_console_get_SBI();
 691         res = TRUE;
 692     }
 693     return res;
 694 }
 695
 696 static bool
 697 wcon_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
 698 {
 699     int result = FALSE;
 700     SCREEN *sp;
 701
 702     AssertTCB();
 703     SetSP();
 704
 705     return result;
 706 }
 707
 708 static int
 709 wcon_size(TERMINAL_CONTROL_BLOCK * TCB, int *Lines, int *Cols)
 710 {
 711     int result = ERR;
 712
 713     T((T_CALLED("win32con::wcon_size(%p)"), TCB));
 714
 715     if (validateConsoleHandle() &&
 716         (Lines != NULL) && (Cols != NULL)) {
 717         _nc_console_size(Lines, Cols);
 718         result = OK;
 719     }
 720     returnCode(result);
 721 }
 722
 723 static int
 724 wcon_setsize(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED,
 725              int l GCC_UNUSED,
 726              int c GCC_UNUSED)
 727 {
 728     AssertTCB();
 729     return ERR;
 730 }
 731
 732 static int
 733 wcon_sgmode(TERMINAL_CONTROL_BLOCK * TCB, int setFlag, TTY * buf)
 734 {
 735     TERMINAL *_term = (TERMINAL *) TCB;
 736     int result = ERR;
 737
 738     T((T_CALLED("win32con::wcon_sgmode(TCB=(%p),setFlag=%d,TTY=(%p)"),
 739        TCB, setFlag, buf));
 740     if (buf != NULL && validateConsoleHandle()) {
 741
 742         if (setFlag) {
 743             _nc_console_setmode(WINCONSOLE.hdl, buf);
 744             TCB->term.Nttyb = *buf;
 745         } else {
 746             _nc_console_getmode(WINCONSOLE.hdl, &(TCB->term.Nttyb));
 747             *buf = TCB->term.Nttyb;
 748         }
 749         result = OK;
 750     }
 751     returnCode(result);
 752 }
 753
 754 #define MIN_WIDE 80
 755 #define MIN_HIGH 24
 756
 757 static int
 758 wcon_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
 759 {
 760     SCREEN *sp;
 761     TERMINAL *_term = (TERMINAL *) TCB;
 762     int code = ERR;
 763
 764     if (validateConsoleHandle()) {
 765         sp = TCB->csp;
 766
 767         T((T_CALLED("win32con::wcon_mode(%p, progFlag=%d, defFlag=%d)"),
 768            TCB, progFlag, defFlag));
 769
 770         WINCONSOLE.progMode = progFlag;
 771         WINCONSOLE.lastOut = progFlag ? WINCONSOLE.hdl : WINCONSOLE.out;
 772         SetConsoleActiveScreenBuffer(WINCONSOLE.lastOut);
 773
 774         if (progFlag) /* prog mode */  {
 775             if (defFlag) {
 776                 if ((wcon_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
 777                     code = OK;
 778                 }
 779             } else {
 780                 /* reset_prog_mode */
 781                 if (wcon_sgmode(TCB, TRUE, &(_term->Nttyb)) == OK) {
 782                     if (sp) {
 783                         if (sp->_keypad_on)
 784                             _nc_keypad(sp, TRUE);
 785                     }
 786                     if (!WINCONSOLE.buffered) {
 787                         _nc_console_set_scrollback(FALSE, &WINCONSOLE.SBI);
 788                     }
 789                     code = OK;
 790                 }
 791             }
 792             T(("... buffered:%d, clear:%d",
 793                WINCONSOLE.buffered, CurScreen(sp)->_clear));
 794         } else {                /* shell mode */
 795             if (defFlag) {
 796                 /* def_shell_mode */
 797                 if (wcon_sgmode(TCB, FALSE, &(_term->Ottyb)) == OK) {
 798                     code = OK;
 799                 }
 800             } else {
 801                 /* reset_shell_mode */
 802                 if (sp) {
 803                     _nc_keypad(sp, FALSE);
 804                     NCURSES_SP_NAME(_nc_flush) (sp);
 805                 }
 806                 code = wcon_sgmode(TCB, TRUE, &(_term->Ottyb));
 807                 if (!WINCONSOLE.buffered) {
 808                     _nc_console_set_scrollback(TRUE, &WINCONSOLE.save_SBI);
 809                     if (!restore_original_screen())
 810                         code = ERR;
 811                 }
 812                 SetConsoleCursorInfo(WINCONSOLE.hdl, &WINCONSOLE.save_CI);
 813             }
 814         }
 815
 816     }
 817     returnCode(code);
 818 }
 819
 820 static void
 821 wcon_screen_init(SCREEN *sp GCC_UNUSED)
 822 {
 823 }
 824
 825 static void
 826 wcon_wrap(SCREEN *sp GCC_UNUSED)
 827 {
 828 }
 829
 830 static void
 831 wcon_release(TERMINAL_CONTROL_BLOCK * TCB)
 832 {
 833     T((T_CALLED("win32con::wcon_release(%p)"), TCB));
 834
 835     AssertTCB();
 836     if (TCB->prop)
 837         free(TCB->prop);
 838
 839     returnVoid;
 840 }
 841
 842 static void
 843 wcon_init(TERMINAL_CONTROL_BLOCK * TCB)
 844 {
 845     T((T_CALLED("win32con::wcon_init(%p)"), TCB));
 846
 847     AssertTCB();
 848
 849     if (!(console_initialized = _nc_console_checkinit(TRUE, FALSE))) {
 850         returnVoid;
 851     }
 852
 853     if (TCB) {
 854         TCB->info.initcolor = TRUE;
 855         TCB->info.canchange = FALSE;
 856         TCB->info.hascolor = TRUE;
 857         TCB->info.caninit = TRUE;
 858
 859         TCB->info.maxpairs = CON_NUMPAIRS;
 860         TCB->info.maxcolors = 8;
 861         TCB->info.numlabels = 0;
 862         TCB->info.labelwidth = 0;
 863         TCB->info.labelheight = 0;
 864         TCB->info.nocolorvideo = 1;
 865         TCB->info.tabsize = 8;
 866
 867         TCB->info.numbuttons = WINCONSOLE.numButtons;
 868         TCB->info.defaultPalette = _nc_cga_palette;
 869
 870     }
 871     returnVoid;
 872 }
 873
 874 static void
 875 wcon_initpair(TERMINAL_CONTROL_BLOCK * TCB,
 876               int pair,
 877               int f,
 878               int b)
 879 {
 880     SCREEN *sp;
 881
 882     if (validateConsoleHandle()) {
 883         SetSP();
 884
 885         if ((pair > 0) && (pair < CON_NUMPAIRS) && (f >= 0) && (f < 8)
 886             && (b >= 0) && (b < 8)) {
 887             WINCONSOLE.pairs[pair] =
 888                 _nc_console_MapColor(true, f) |
 889                 _nc_console_MapColor(false, b);
 890         }
 891     }
 892 }
 893
 894 static void
 895 wcon_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
 896                int color GCC_UNUSED,
 897                int r GCC_UNUSED,
 898                int g GCC_UNUSED,
 899                int b GCC_UNUSED)
 900 {
 901     SCREEN *sp;
 902
 903     AssertTCB();
 904     SetSP();
 905 }
 906
 907 static void
 908 wcon_do_color(TERMINAL_CONTROL_BLOCK * TCB,
 909               int old_pair GCC_UNUSED,
 910               int pair GCC_UNUSED,
 911               int reverse GCC_UNUSED,
 912               int (*outc) (SCREEN *, int) GCC_UNUSED
 913 )
 914 {
 915     SCREEN *sp;
 916
 917     AssertTCB();
 918     SetSP();
 919 }
 920
 921 static void
 922 wcon_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
 923 {
 924     SCREEN *sp;
 925
 926     if (validateConsoleHandle()) {
 927         SetSP();
 928
 929         sp->_mouse_type = M_TERM_DRIVER;
 930     }
 931 }
 932
 933 static int
 934 wcon_testmouse(TERMINAL_CONTROL_BLOCK * TCB,
 935                int delay
 936                EVENTLIST_2nd(_nc_eventlist * evl))
 937 {
 938     int rc = 0;
 939     SCREEN *sp;
 940
 941     if (validateConsoleHandle()) {
 942         SetSP();
 943
 944         if (sp->_drv_mouse_head < sp->_drv_mouse_tail) {
 945             rc = TW_MOUSE;
 946         } else {
 947             rc = TCBOf(sp)->drv->td_twait(TCBOf(sp),
 948                                           TWAIT_MASK,
 949                                           delay,
 950                                           (int *) 0
 951                                           EVENTLIST_2nd(evl));
 952         }
 953     }
 954
 955     return rc;
 956 }
 957
 958 static int
 959 wcon_mvcur(TERMINAL_CONTROL_BLOCK * TCB,
 960            int yold GCC_UNUSED, int xold GCC_UNUSED,
 961            int y, int x)
 962 {
 963     int ret = ERR;
 964     if (validateConsoleHandle()) {
 965         COORD loc;
 966         loc.X = (short) x;
 967         loc.Y = (short) (y + AdjustY());
 968         SetConsoleCursorPosition(WINCONSOLE.hdl, loc);
 969         ret = OK;
 970     }
 971     return ret;
 972 }
 973
 974 static void
 975 wcon_hwlabel(TERMINAL_CONTROL_BLOCK * TCB,
 976              int labnum GCC_UNUSED,
 977              char *text GCC_UNUSED)
 978 {
 979     SCREEN *sp;
 980
 981     AssertTCB();
 982     SetSP();
 983 }
 984
 985 static void
 986 wcon_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB,
 987                   int OnFlag GCC_UNUSED)
 988 {
 989     SCREEN *sp;
 990
 991     AssertTCB();
 992     SetSP();
 993 }
 994
 995 static chtype
 996 wcon_conattr(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED)
 997 {
 998     chtype res = A_NORMAL;
 999     res |= (A_BOLD | A_DIM | A_REVERSE | A_STANDOUT | A_COLOR);
1000     return res;
1001 }
1002
1003 static void
1004 wcon_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
1005 {
1006     SCREEN *sp;
1007
1008     AssertTCB();
1009     SetSP();
1010 }
1011
1012 static void
1013 wcon_initacs(TERMINAL_CONTROL_BLOCK * TCB,
1014              chtype *real_map GCC_UNUSED,
1015              chtype *fake_map GCC_UNUSED)
1016 {
1017 #define DATA(a,b) { a, b }
1018     static struct {
1019         int acs_code;
1020         int use_code;
1021     } table[] = {
1022         DATA('a', 0xb1),        /* ACS_CKBOARD  */
1023             DATA('f', 0xf8),    /* ACS_DEGREE   */
1024             DATA('g', 0xf1),    /* ACS_PLMINUS  */
1025             DATA('j', 0xd9),    /* ACS_LRCORNER */
1026             DATA('l', 0xda),    /* ACS_ULCORNER */
1027             DATA('k', 0xbf),    /* ACS_URCORNER */
1028             DATA('m', 0xc0),    /* ACS_LLCORNER */
1029             DATA('n', 0xc5),    /* ACS_PLUS     */
1030             DATA('q', 0xc4),    /* ACS_HLINE    */
1031             DATA('t', 0xc3),    /* ACS_LTEE     */
1032             DATA('u', 0xb4),    /* ACS_RTEE     */
1033             DATA('v', 0xc1),    /* ACS_BTEE     */
1034             DATA('w', 0xc2),    /* ACS_TTEE     */
1035             DATA('x', 0xb3),    /* ACS_VLINE    */
1036             DATA('y', 0xf3),    /* ACS_LEQUAL   */
1037             DATA('z', 0xf2),    /* ACS_GEQUAL   */
1038             DATA('0', 0xdb),    /* ACS_BLOCK    */
1039             DATA('{', 0xe3),    /* ACS_PI       */
1040             DATA('}', 0x9c),    /* ACS_STERLING */
1041             DATA(',', 0xae),    /* ACS_LARROW   */
1042             DATA('+', 0xaf),    /* ACS_RARROW   */
1043             DATA('~', 0xf9),    /* ACS_BULLET   */
1044     };
1045 #undef DATA
1046     unsigned n;
1047
1048     SCREEN *sp;
1049     if (validateConsoleHandle()) {
1050         SetSP();
1051
1052         for (n = 0; n < SIZEOF(table); ++n) {
1053             real_map[table[n].acs_code] =
1054                 (chtype) table[n].use_code | A_ALTCHARSET;
1055             if (sp != 0)
1056                 sp->_screen_acs_map[table[n].acs_code] = TRUE;
1057         }
1058     }
1059 }
1060
1061 static int
1062 wcon_twait(TERMINAL_CONTROL_BLOCK * TCB,
1063            int mode,
1064            int milliseconds,
1065            int *timeleft
1066            EVENTLIST_2nd(_nc_eventlist * evl))
1067 {
1068     SCREEN *sp;
1069     int code = 0;
1070
1071     if (validateConsoleHandle()) {
1072         SetSP();
1073
1074         code = _nc_console_twait(sp,
1075                                  WINCONSOLE.inp,
1076                                  mode,
1077                                  milliseconds,
1078                                  timeleft EVENTLIST_2nd(evl));
1079     }
1080     return code;
1081 }
1082
1083 static int
1084 wcon_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
1085 {
1086     SCREEN *sp;
1087     int n = -1;
1088
1089     T((T_CALLED("win32con::wcon_read(%p)"), TCB));
1090
1091     assert(buf);
1092     if (validateConsoleHandle()) {
1093         SetSP();
1094
1095         n = _nc_console_read(sp, WINCONSOLE.inp, buf);
1096     }
1097     returnCode(n);
1098 }
1099
1100 static int
1101 wcon_nap(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int ms)
1102 {
1103     T((T_CALLED("win32con::wcon_nap(%p, %d)"), TCB, ms));
1104     Sleep((DWORD) ms);
1105     returnCode(OK);
1106 }
1107
1108 static int
1109 wcon_cursorSet(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int mode)
1110 {
1111     int res = -1;
1112
1113     T((T_CALLED("win32con:wcon_cursorSet(%d)"), mode));
1114     if (validateConsoleHandle()) {
1115         CONSOLE_CURSOR_INFO this_CI = WINCONSOLE.save_CI;
1116         switch (mode) {
1117         case 0:
1118             this_CI.bVisible = FALSE;
1119             break;
1120         case 1:
1121             break;
1122         case 2:
1123             this_CI.dwSize = 100;
1124             break;
1125         }
1126         SetConsoleCursorInfo(WINCONSOLE.hdl, &this_CI);
1127     }
1128     returnCode(res);
1129 }
1130
1131 static bool
1132 wcon_kyExist(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int keycode)
1133 {
1134     bool found = FALSE;
1135
1136     T((T_CALLED("win32con::wcon_kyExist(%d)"), keycode));
1137     found = _nc_console_keyExist(keycode);
1138     returnBool(found);
1139 }
1140
1141 static int
1142 wcon_kpad(TERMINAL_CONTROL_BLOCK * TCB, int flag GCC_UNUSED)
1143 {
1144     SCREEN *sp;
1145     int code = ERR;
1146
1147     T((T_CALLED("win32con::wcon_kpad(%p, %d)"), TCB, flag));
1148
1149     if (validateConsoleHandle()) {
1150         SetSP();
1151
1152         if (sp) {
1153             code = OK;
1154         }
1155     }
1156     returnCode(code);
1157 }
1158
1159 static int
1160 wcon_keyok(TERMINAL_CONTROL_BLOCK * TCB,
1161            int keycode,
1162            int flag)
1163 {
1164     int code = ERR;
1165     SCREEN *sp;
1166
1167     T((T_CALLED("win32con::wcon_keyok(%p, %d, %d)"), TCB, keycode, flag));
1168
1169     if (validateConsoleHandle()) {
1170         SetSP();
1171         if (sp) {
1172             code = _nc_console_keyok(keycode, flag);
1173         }
1174     }
1175     returnCode(code);
1176 }
1177
1178 NCURSES_EXPORT_VAR (TERM_DRIVER) _nc_WIN_DRIVER = {
1179     FALSE,
1180         wcon_name,              /* Name          */
1181         wcon_CanHandle,         /* CanHandle     */
1182         wcon_init,              /* init          */
1183         wcon_release,           /* release       */
1184         wcon_size,              /* size          */
1185         wcon_sgmode,            /* sgmode        */
1186         wcon_conattr,           /* conattr       */
1187         wcon_mvcur,             /* hwcur         */
1188         wcon_mode,              /* mode          */
1189         wcon_rescol,            /* rescol        */
1190         wcon_rescolors,         /* rescolors     */
1191         wcon_setcolor,          /* color         */
1192         wcon_dobeepflash,       /* DoBeepFlash   */
1193         wcon_initpair,          /* initpair      */
1194         wcon_initcolor,         /* initcolor     */
1195         wcon_do_color,          /* docolor       */
1196         wcon_initmouse,         /* initmouse     */
1197         wcon_testmouse,         /* testmouse     */
1198         wcon_setfilter,         /* setfilter     */
1199         wcon_hwlabel,           /* hwlabel       */
1200         wcon_hwlabelOnOff,      /* hwlabelOnOff  */
1201         wcon_doupdate,          /* update        */
1202         wcon_defaultcolors,     /* defaultcolors */
1203         wcon_print,             /* print         */
1204         wcon_size,              /* getsize       */
1205         wcon_setsize,           /* setsize       */
1206         wcon_initacs,           /* initacs       */
1207         wcon_screen_init,       /* scinit        */
1208         wcon_wrap,              /* scexit        */
1209         wcon_twait,             /* twait         */
1210         wcon_read,              /* read          */
1211         wcon_nap,               /* nap           */
1212         wcon_kpad,              /* kpad          */
1213         wcon_keyok,             /* kyOk          */
1214         wcon_kyExist,           /* kyExist       */
1215         wcon_cursorSet          /* cursorSet     */
1216 };
1217
1218 #endif /* _NC_WINDOWS */