git.oblomov.eu Git - wine/blob - programs/wineconsole/curses.c

   1 /*
   2  * a GUI application for displaying a console
   3  *      (N)Curses back end
   4  *
   5  * Copyright 2002 Eric Pouech
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 /* Known issues & FIXME:
  23  * - not all key mapping functions have been written
  24  * - allow dyn loading of curses library (extreme care should be taken for
  25  *   functions which can be implemented as macros)
  26  */
  27
  28 #include "config.h"
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <errno.h>
  33 #ifdef HAVE_CURSES_H
  34 #include <curses.h>
  35 #endif
  36 #ifdef HAVE_NCURSES_H
  37 #include <ncurses.h>
  38 #endif
  39 #include <unistd.h>
  40 #include <winnls.h>
  41 #include "winecon_private.h"
  42
  43 #include "wine/server.h"
  44 #include "wine/debug.h"
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(wineconsole);
  47
  48 #define PRIVATE(data)   ((struct inner_data_curse*)((data)->private))
  49
  50 #if defined(HAVE_CURSES_H) || defined(HAVE_NCURSES_H)
  51
  52 struct inner_data_curse
  53 {
  54     mmask_t             initial_mouse_mask;
  55     HANDLE              hInput;
  56     WINDOW*             pad;
  57     chtype*             line;
  58 };
  59
  60 /******************************************************************
  61  *              WCCURSES_ResizeScreenBuffer
  62  *
  63  *
  64  */
  65 static void WCCURSES_ResizeScreenBuffer(struct inner_data* data)
  66 {
  67     /* reallocate a new pad. next event would redraw the whole pad */
  68     if (PRIVATE(data)->pad) delwin(PRIVATE(data)->pad);
  69     PRIVATE(data)->pad = newpad(data->curcfg.sb_height, data->curcfg.sb_width);
  70     if (!PRIVATE(data)->pad)
  71         WINE_FIXME("Cannot create pad\n");
  72     PRIVATE(data)->line = HeapReAlloc(GetProcessHeap(), 0, PRIVATE(data)->line,
  73                                       sizeof(chtype) * data->curcfg.sb_width);
  74 }
  75
  76 /******************************************************************
  77  *              WCCURSES_PosCursor
  78  *
  79  * Set a new position for the cursor (and refresh any modified part of our pad)
  80  */
  81 static void     WCCURSES_PosCursor(const struct inner_data* data)
  82 {
  83     if (data->curcfg.cursor_visible &&
  84         data->cursor.Y >= data->curcfg.win_pos.Y &&
  85         data->cursor.Y < data->curcfg.win_pos.Y + data->curcfg.win_height &&
  86         data->cursor.X >= data->curcfg.win_pos.X &&
  87         data->cursor.X < data->curcfg.win_pos.X + data->curcfg.win_width)
  88     {
  89         if (curs_set(2) == ERR) curs_set(1);
  90         wmove(PRIVATE(data)->pad, data->cursor.Y, data->cursor.X);
  91     }
  92     else
  93     {
  94         curs_set(0);
  95     }
  96     prefresh(PRIVATE(data)->pad,
  97              data->curcfg.win_pos.Y, data->curcfg.win_pos.X,
  98              0, 0, data->curcfg.win_height, data->curcfg.win_width);
  99 }
 100
 101 /******************************************************************
 102  *              WCCURSES_ShapeCursor
 103  *
 104  * Sets a new shape for the cursor
 105  */
 106 void    WCCURSES_ShapeCursor(struct inner_data* data, int size, int vis, BOOL force)
 107 {
 108     /* we can't do much about the size... */
 109     data->curcfg.cursor_size = size;
 110     data->curcfg.cursor_visible = vis ? TRUE : FALSE;
 111     WCCURSES_PosCursor(data);
 112 }
 113
 114 /******************************************************************
 115  *              WCCURSES_ComputePositions
 116  *
 117  * Recomputes all the components (mainly scroll bars) positions
 118  */
 119 void    WCCURSES_ComputePositions(struct inner_data* data)
 120 {
 121     if (PRIVATE(data)->pad) WCCURSES_PosCursor(data);
 122 }
 123
 124 /******************************************************************
 125  *              WCCURSES_SetTitle
 126  *
 127  * Sets the title to the wine console
 128  */
 129 static void     WCCURSES_SetTitle(const struct inner_data* data)
 130 {
 131     WCHAR   wbuf[256];
 132
 133     if (WINECON_GetConsoleTitle(data->hConIn, wbuf, sizeof(wbuf)/sizeof(WCHAR)))
 134     {
 135         char        buffer[256];
 136
 137         WideCharToMultiByte(CP_ACP, 0, wbuf, -1, buffer, sizeof(buffer),
 138                             NULL, NULL);
 139         fputs("\033]2;", stdout);
 140         fputs(buffer, stdout);
 141         fputc('\a', stdout);
 142         fflush(stdout);
 143     }
 144 }
 145
 146 /******************************************************************
 147  *              Refresh
 148  *
 149  *
 150  */
 151 static void WCCURSES_Refresh(const struct inner_data* data, int tp, int bm)
 152 {
 153     int         x, y;
 154     CHAR_INFO*  cell;
 155     DWORD       attr;
 156     char        ch;
 157
 158     for (y = tp; y <= bm; y++)
 159     {
 160         cell = &data->cells[y * data->curcfg.sb_width];
 161         for (x = 0; x < data->curcfg.sb_width; x++)
 162         {
 163             WideCharToMultiByte(CP_ACP, 0, &cell[x].Char.UnicodeChar, 1,
 164                                 &ch, 1, NULL, NULL);
 165             attr = (BYTE)ch;
 166
 167             if (cell[x].Attributes & FOREGROUND_RED)       attr |= COLOR_PAIR(COLOR_RED);
 168             if (cell[x].Attributes & FOREGROUND_BLUE)      attr |= COLOR_PAIR(COLOR_BLUE);
 169             if (cell[x].Attributes & FOREGROUND_GREEN)     attr |= COLOR_PAIR(COLOR_GREEN);
 170             if (cell[x].Attributes & BACKGROUND_RED)       attr |= COLOR_PAIR(COLOR_RED << 3);
 171             if (cell[x].Attributes & BACKGROUND_BLUE)      attr |= COLOR_PAIR(COLOR_BLUE << 3);
 172             if (cell[x].Attributes & BACKGROUND_GREEN)     attr |= COLOR_PAIR(COLOR_GREEN << 3);
 173
 174             if (cell[x].Attributes & FOREGROUND_INTENSITY) attr |= A_BOLD;
 175             PRIVATE(data)->line[x] = attr;
 176         }
 177         mvwaddchnstr(PRIVATE(data)->pad, y, 0, PRIVATE(data)->line, data->curcfg.sb_width);
 178     }
 179     prefresh(PRIVATE(data)->pad,
 180              data->curcfg.win_pos.Y, data->curcfg.win_pos.X,
 181              0, 0, data->curcfg.win_height, data->curcfg.win_width);
 182 }
 183
 184 /******************************************************************
 185  *              WCCURSES_Scroll
 186  *
 187  *
 188  */
 189 static void WCCURSES_Scroll(struct inner_data* data, int pos, BOOL horz)
 190 {
 191     if (horz)
 192     {
 193         data->curcfg.win_pos.X = pos;
 194     }
 195     else
 196     {
 197         data->curcfg.win_pos.Y = pos;
 198     }
 199     WCCURSES_PosCursor(data);
 200 }
 201
 202 /******************************************************************
 203  *              WCCURSES_SetFont
 204  *
 205  *
 206  */
 207 static void WCCURSES_SetFont(struct inner_data* data, const WCHAR* font,
 208                             unsigned height, unsigned weight)
 209 {
 210     /* FIXME: really not much to do ? */
 211 }
 212
 213 /* Ascii -> VK, generated by calling VkKeyScanA(i) */
 214 static int vkkeyscan_table[256] =
 215 {
 216      0,0,0,0,0,0,0,0,8,9,0,0,0,13,0,0,0,0,0,19,145,556,0,0,0,0,0,27,0,0,0,
 217      0,32,305,478,307,308,309,311,222,313,304,312,443,188,189,190,191,48,
 218      49,50,51,52,53,54,55,56,57,442,186,444,187,446,447,306,321,322,323,
 219      324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340,
 220      341,342,343,344,345,346,219,220,221,310,445,192,65,66,67,68,69,70,71,
 221      72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,475,476,477,
 222      448,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 223      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 224      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 225      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,400,0,0,0,0,0,0
 226 };
 227
 228 static int mapvkey_0[256] =
 229 {
 230      0,0,0,0,0,0,0,0,14,15,0,0,0,28,0,0,42,29,56,69,58,0,0,0,0,0,0,1,0,0,
 231      0,0,57,73,81,79,71,75,72,77,80,0,0,0,55,82,83,0,11,2,3,4,5,6,7,8,9,
 232      10,0,0,0,0,0,0,0,30,48,46,32,18,33,34,35,23,36,37,38,50,49,24,25,16,
 233      19,31,20,22,47,17,45,21,44,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,55,78,0,74,
 234      0,53,59,60,61,62,63,64,65,66,67,68,87,88,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 235      0,0,0,0,0,0,69,70,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 236      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,39,13,51,12,52,53,41,0,0,0,0,0,0,0,0,0,
 237      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,26,43,27,40,76,96,0,0,0,0,0,0,0,0,
 238      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
 239 };
 240
 241 /******************************************************************
 242  *              WCCURSES_FillSimpleChar
 243  *
 244  *
 245  */
 246 static unsigned WCCURSES_FillSimpleChar(INPUT_RECORD* ir, unsigned inchar)
 247 {
 248      unsigned vk;
 249      unsigned second;
 250      DWORD    cks = 0;
 251
 252      switch (inchar)
 253      {
 254      case 127: inchar = '\b'; break;
 255      case  10: inchar = '\r'; break;
 256      case  27:
 257          /* we assume that ESC & and the second character are atomically generated
 258           * otherwise, we'll have a race here
 259           */
 260          if ((second = wgetch(stdscr)) != ERR)
 261          {
 262              /* we got a alt-something key... */
 263              /* FIXME: we don't generate the keydown message for the Alt key */
 264              cks = LEFT_ALT_PRESSED;
 265              inchar = second;
 266          }
 267          break;
 268      }
 269
 270      ir->EventType                        = KEY_EVENT;
 271      ir->Event.KeyEvent.bKeyDown          = 1;
 272      ir->Event.KeyEvent.wRepeatCount      = 1;
 273      ir->Event.KeyEvent.dwControlKeyState = cks;
 274      vk = vkkeyscan_table[inchar];
 275      if (vk & 0x0100)
 276           ir->Event.KeyEvent.dwControlKeyState |= SHIFT_PRESSED;
 277      if (vk & 0x0200 || (unsigned char)inchar <= 26)
 278           ir->Event.KeyEvent.dwControlKeyState |= LEFT_CTRL_PRESSED;
 279      if (vk & 0x0400)
 280           ir->Event.KeyEvent.dwControlKeyState |= LEFT_ALT_PRESSED;
 281      ir->Event.KeyEvent.wVirtualKeyCode = vk;
 282      ir->Event.KeyEvent.wVirtualScanCode = mapvkey_0[vk & 0x00ff]; /* VirtualKeyCodes to ScanCode */
 283      ir->Event.KeyEvent.uChar.UnicodeChar = (unsigned char)inchar;
 284
 285      return TRUE;
 286 }
 287
 288 /******************************************************************
 289  *              WCCURSES_FillComplexChar
 290  *
 291  *
 292  */
 293 static unsigned WCCURSES_FillComplexChar(INPUT_RECORD* ir, WORD vk, WORD kc)
 294 {
 295      ir->EventType                        = KEY_EVENT;
 296      ir->Event.KeyEvent.bKeyDown          = 1;
 297      ir->Event.KeyEvent.wRepeatCount      = 1;
 298      ir->Event.KeyEvent.dwControlKeyState = 0;
 299
 300      ir->Event.KeyEvent.wVirtualScanCode  = vk;
 301      ir->Event.KeyEvent.wVirtualKeyCode   = kc;
 302      ir->Event.KeyEvent.dwControlKeyState |= ENHANCED_KEY;
 303      ir->Event.KeyEvent.uChar.UnicodeChar = 0;
 304
 305      return TRUE;
 306 }
 307
 308 /******************************************************************
 309  *              WCCURSES_FillMouse
 310  *
 311  *
 312  */
 313 static unsigned WCCURSES_FillMouse(INPUT_RECORD* ir)
 314 {
 315      static     unsigned        bstate /* = 0 */;
 316      static     COORD           pos /* = {0, 0} */;
 317
 318      MEVENT     mevt;
 319
 320      if (getmouse(&mevt) == ERR)
 321          return FALSE;
 322
 323      WINE_TRACE("[%u]: (%d, %d) %08lx\n",
 324                 mevt.id, mevt.x, mevt.y, (unsigned long)mevt.bstate);
 325
 326      /* macros to ease mapping ncurse button numbering to windows's one */
 327 #define BTN1_BIT        FROM_LEFT_1ST_BUTTON_PRESSED
 328 #define BTN2_BIT        RIGHTMOST_BUTTON_PRESSED
 329 #define BTN3_BIT        FROM_LEFT_2ND_BUTTON_PRESSED
 330 #define BTN4_BIT        0 /* not done yet */
 331
 332      if (mevt.bstate & BUTTON1_PRESSED)  bstate |= BTN1_BIT;
 333      if (mevt.bstate & BUTTON1_RELEASED) bstate &= ~BTN1_BIT;
 334      if (mevt.bstate & BUTTON2_PRESSED)  bstate |= BTN2_BIT;
 335      if (mevt.bstate & BUTTON2_RELEASED) bstate &= ~BTN2_BIT;
 336      if (mevt.bstate & BUTTON3_PRESSED)  bstate |= BTN3_BIT;
 337      if (mevt.bstate & BUTTON3_RELEASED) bstate &= ~BTN3_BIT;
 338
 339      ir->EventType = MOUSE_EVENT;
 340      ir->Event.MouseEvent.dwMousePosition.X = mevt.x;
 341      ir->Event.MouseEvent.dwMousePosition.Y = mevt.y;
 342
 343      ir->Event.MouseEvent.dwButtonState = bstate;
 344
 345      /* partial conversion */
 346      ir->Event.MouseEvent.dwControlKeyState = 0;
 347      if (mevt.bstate & BUTTON_SHIFT)    ir->Event.MouseEvent.dwControlKeyState |= SHIFT_PRESSED;
 348      /* choose to map to left ctrl... could use both ? */
 349      if (mevt.bstate & BUTTON_CTRL)     ir->Event.MouseEvent.dwControlKeyState |= LEFT_CTRL_PRESSED;
 350      /* choose to map to left alt... could use both ? */
 351      if (mevt.bstate & BUTTON_ALT)      ir->Event.MouseEvent.dwControlKeyState |= LEFT_ALT_PRESSED;
 352      /* FIXME: unsupported yet flags: CAPSLOCK_ON, ENHANCED_KEY (??), NUMLOCK_ON, SCROLLLOCK_ON
 353       * could be reported from the key events...
 354       */
 355
 356      ir->Event.MouseEvent.dwEventFlags = 0;
 357      /* FIXME: we no longer generate double click events */
 358
 359      if (!(mevt.bstate & (BUTTON1_PRESSED|BUTTON1_RELEASED|BUTTON2_PRESSED|BUTTON2_RELEASED|BUTTON3_PRESSED|BUTTON3_RELEASED)) &&
 360          (mevt.x != pos.X || mevt.y != pos.Y))
 361      {
 362           ir->Event.MouseEvent.dwEventFlags |= MOUSE_MOVED;
 363      }
 364      pos.X = mevt.x; pos.Y = mevt.y;
 365
 366      return FALSE;
 367 }
 368
 369 /******************************************************************
 370  *              WCCURSES_FillCode
 371  *
 372  *
 373  */
 374 static unsigned WCCURSES_FillCode(INPUT_RECORD* ir, int inchar)
 375 {
 376     unsigned secondEvent = 0;
 377
 378     switch (inchar)
 379     {
 380     case KEY_BREAK:
 381         goto notFound;
 382     case KEY_DOWN:
 383         secondEvent = WCCURSES_FillComplexChar(ir, 0x50, 0x28);
 384         break;
 385     case KEY_UP:
 386         secondEvent = WCCURSES_FillComplexChar(ir, 0x48, 0x26);
 387         break;
 388     case KEY_LEFT:
 389         secondEvent = WCCURSES_FillComplexChar(ir, 0x4b, 0x25);
 390         break;
 391     case KEY_RIGHT:
 392         secondEvent = WCCURSES_FillComplexChar(ir, 0x4d, 0x27);
 393         break;
 394     case KEY_HOME:
 395         secondEvent = WCCURSES_FillComplexChar(ir, 0x47, 0x24);
 396         break;
 397     case KEY_BACKSPACE:
 398         secondEvent = WCCURSES_FillSimpleChar(ir, '\b');
 399         break;
 400
 401     case KEY_F0: /* up to F63 */
 402         goto notFound;
 403
 404     case KEY_F( 1):
 405     case KEY_F( 2):
 406     case KEY_F( 3):
 407     case KEY_F( 4):
 408     case KEY_F( 5):
 409     case KEY_F( 6):
 410     case KEY_F( 7):
 411     case KEY_F( 8):
 412     case KEY_F( 9):
 413     case KEY_F(10):
 414         secondEvent = WCCURSES_FillComplexChar(ir, 0x3b + inchar - KEY_F(1), 0);
 415         break;
 416     case KEY_F(11):
 417     case KEY_F(12):
 418         secondEvent = WCCURSES_FillComplexChar(ir, 0xd9 + inchar - KEY_F(11), 0);
 419         break;
 420
 421     case KEY_DL:
 422     case KEY_IL:
 423     case KEY_DC:
 424     case KEY_IC:
 425     case KEY_EIC:
 426     case KEY_CLEAR:
 427     case KEY_EOS:
 428     case KEY_EOL:
 429     case KEY_SF:
 430     case KEY_SR:
 431         goto notFound;
 432
 433     case KEY_NPAGE:
 434         secondEvent = WCCURSES_FillComplexChar(ir, 0x51, 0x22);
 435         break;
 436     case KEY_PPAGE:
 437         secondEvent = WCCURSES_FillComplexChar(ir, 0x49, 0x21);
 438         break;
 439
 440     case KEY_STAB:
 441     case KEY_CTAB:
 442     case KEY_CATAB:
 443     case KEY_ENTER:
 444     case KEY_SRESET:
 445     case KEY_RESET:
 446     case KEY_PRINT:
 447     case KEY_LL:
 448     case KEY_A1:
 449     case KEY_A3:
 450     case KEY_B2:
 451     case KEY_C1:
 452     case KEY_C3:
 453     case KEY_BTAB:
 454     case KEY_BEG:
 455     case KEY_CANCEL:
 456     case KEY_CLOSE:
 457     case KEY_COMMAND:
 458     case KEY_COPY:
 459     case KEY_CREATE:
 460     case KEY_END:
 461     case KEY_EXIT:
 462     case KEY_FIND:
 463     case KEY_HELP:
 464     case KEY_MARK:
 465     case KEY_MESSAGE:
 466         goto notFound;
 467
 468     case KEY_MOUSE:
 469         secondEvent = WCCURSES_FillMouse(ir);
 470         break;
 471
 472     case KEY_MOVE:
 473     case KEY_NEXT:
 474     case KEY_OPEN:
 475     case KEY_OPTIONS:
 476     case KEY_PREVIOUS:
 477     case KEY_REDO:
 478     case KEY_REFERENCE:
 479     case KEY_REFRESH:
 480     case KEY_REPLACE:
 481     case KEY_RESIZE:
 482     case KEY_RESTART:
 483     case KEY_RESUME:
 484     case KEY_SAVE:
 485     case KEY_SBEG:
 486     case KEY_SCANCEL:
 487     case KEY_SCOMMAND:
 488     case KEY_SCOPY:
 489     case KEY_SCREATE:
 490     case KEY_SDC:
 491     case KEY_SDL:
 492     case KEY_SELECT:
 493     case KEY_SEND:
 494     case KEY_SEOL:
 495     case KEY_SEXIT:
 496     case KEY_SFIND:
 497     case KEY_SHELP:
 498     case KEY_SHOME:
 499     case KEY_SIC:
 500     case KEY_SLEFT:
 501     case KEY_SMESSAGE:
 502     case KEY_SMOVE:
 503     case KEY_SNEXT:
 504     case KEY_SOPTIONS:
 505     case KEY_SPREVIOUS:
 506     case KEY_SPRINT:
 507     case KEY_SREDO:
 508     case KEY_SREPLACE:
 509     case KEY_SRIGHT:
 510     case KEY_SRSUME:
 511     case KEY_SSAVE:
 512     case KEY_SSUSPEND:
 513     case KEY_SUNDO:
 514     case KEY_SUSPEND:
 515     case KEY_UNDO:
 516     notFound:
 517         WINE_FIXME("Not done yet (%d)\n", inchar);
 518         break;
 519     default:
 520         WINE_ERR("Unknown val (%d)\n", inchar);
 521         break;
 522     }
 523     return secondEvent;
 524 }
 525
 526 /******************************************************************
 527  *              WCCURSES_GetEvents
 528  *
 529  *
 530  */
 531 static void WCCURSES_GetEvents(struct inner_data* data)
 532 {
 533      int                inchar;
 534      INPUT_RECORD       ir[2];
 535      unsigned           secondEvent = 0;
 536      DWORD              n;
 537
 538      if ((inchar = wgetch(stdscr)) == ERR) {WINE_FIXME("Ooch. somebody beat us\n");return;}
 539
 540      WINE_TRACE("Got %d\n", inchar);
 541
 542      ir->EventType = 0;
 543
 544      if (inchar & KEY_CODE_YES)
 545      {
 546          secondEvent = WCCURSES_FillCode(ir, inchar);
 547      }
 548      else
 549      {
 550          secondEvent = WCCURSES_FillSimpleChar(ir, inchar);
 551      }
 552
 553      if (secondEvent != 0)
 554      {
 555          ir[1] = ir[0];
 556
 557          switch (ir[1].EventType)
 558          {
 559          case KEY_EVENT:
 560              ir[1].Event.KeyEvent.bKeyDown = 0;
 561              break;
 562          case MOUSE_EVENT:
 563              ir[1].Event.MouseEvent.dwButtonState &= ~secondEvent;
 564              break;
 565          default:
 566              WINE_FIXME("oooo\n");
 567              break;
 568          }
 569      }
 570      if (ir[0].EventType != 0)
 571          WriteConsoleInput(data->hConIn, ir, secondEvent ? 2 : 1, &n);
 572 }
 573
 574 /******************************************************************
 575  *              WCCURSES_DeleteBackend
 576  *
 577  *
 578  */
 579 static void WCCURSES_DeleteBackend(struct inner_data* data)
 580 {
 581     mmask_t     mm;
 582
 583     if (!PRIVATE(data)) return;
 584
 585     CloseHandle(PRIVATE(data)->hInput);
 586
 587     delwin(PRIVATE(data)->pad);
 588     mousemask(PRIVATE(data)->initial_mouse_mask, &mm);
 589     endwin();
 590
 591     HeapFree(GetProcessHeap(), 0, PRIVATE(data)->line);
 592     HeapFree(GetProcessHeap(), 0, PRIVATE(data));
 593     PRIVATE(data) = NULL;
 594 }
 595
 596 /******************************************************************
 597  *              WCCURSES_MainLoop
 598  *
 599  *
 600  */
 601 static int WCCURSES_MainLoop(struct inner_data* data)
 602 {
 603     HANDLE hin[2];
 604
 605     hin[0] = PRIVATE(data)->hInput;
 606     hin[1] = data->hSynchro;
 607
 608     for (;;)
 609     {
 610         unsigned ret = WaitForMultipleObjects(2, hin, FALSE, INFINITE);
 611         switch (ret)
 612         {
 613         case WAIT_OBJECT_0:
 614             WCCURSES_GetEvents(data);
 615             break;
 616         case WAIT_OBJECT_0+1:
 617             if (!WINECON_GrabChanges(data)) return 0;
 618             break;
 619         default:
 620             WINE_ERR("got pb\n");
 621             /* err */
 622             break;
 623         }
 624     }
 625 }
 626
 627 /******************************************************************
 628  *              WCCURSES_InitBackend
 629  *
 630  * Initialisation part II: creation of window.
 631  *
 632  */
 633 BOOL WCCURSES_InitBackend(struct inner_data* data)
 634 {
 635     data->private = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct inner_data_curse));
 636     if (!data->private) return FALSE;
 637
 638     data->fnMainLoop           = WCCURSES_MainLoop;
 639     data->fnPosCursor          = WCCURSES_PosCursor;
 640     data->fnShapeCursor        = WCCURSES_ShapeCursor;
 641     data->fnComputePositions   = WCCURSES_ComputePositions;
 642     data->fnRefresh            = WCCURSES_Refresh;
 643     data->fnResizeScreenBuffer = WCCURSES_ResizeScreenBuffer;
 644     data->fnSetTitle           = WCCURSES_SetTitle;
 645     data->fnScroll             = WCCURSES_Scroll;
 646     data->fnSetFont            = WCCURSES_SetFont;
 647     data->fnDeleteBackend      = WCCURSES_DeleteBackend;
 648
 649     if (wine_server_fd_to_handle(0, GENERIC_READ|SYNCHRONIZE, FALSE,
 650                                  (obj_handle_t*)&PRIVATE(data)->hInput))
 651     {
 652         WINE_FIXME("Cannot open 0\n");
 653         return 0;
 654     }
 655
 656     initscr();
 657
 658     /* creating the basic colors - FIXME intensity not handled yet */
 659     if (has_colors())
 660     {
 661         int i, j;
 662
 663         start_color();
 664         for (i = 0; i < 8; i++)
 665             for (j = 0; j < 8; j++)
 666                 init_pair(i | (j << 3), i, j);
 667     }
 668
 669     raw();
 670     noecho();
 671     intrflush(stdscr, FALSE);
 672     nodelay(stdscr, TRUE);
 673     keypad(stdscr, TRUE);
 674     mousemask(0xffffffff, &PRIVATE(data)->initial_mouse_mask);
 675     /* no click event generation... we just need button up/down event */
 676     mouseinterval(-1);
 677
 678     return TRUE;
 679 }
 680
 681 #else
 682 BOOL WCCURSES_InitBackend(struct inner_data* data)
 683 {
 684     return FALSE;
 685 }
 686 #endif