win32/console.c

   1 /*
   2  * Win32 kernel functions
   3  *
   4  * Copyright 1995 Martin von Loewis and Cameron Heide
   5  * Copyright 1997 Karl Garrison
   6  * Copyright 1998 John Richardson
   7  * Copyright 1998 Marcus Meissner
   8  * Copyright 2001 Eric Pouech
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 /* Reference applications:
  26  * -  IDA (interactive disassembler) full version 3.75. Works.
  27  * -  LYNX/W32. Works mostly, some keys crash it.
  28  */
  29
  30 #include "config.h"
  31 #include "wine/port.h"
  32
  33 #include <stdio.h>
  34 #include <string.h>
  35 #include <unistd.h>
  36 #include <assert.h>
  37
  38 #include "winbase.h"
  39 #include "winnls.h"
  40 #include "winerror.h"
  41 #include "wincon.h"
  42 #include "heap.h"
  43 #include "wine/server.h"
  44 #include "wine/exception.h"
  45 #include "wine/debug.h"
  46 #include "options.h"
  47 #include "msvcrt/excpt.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(console);
  50
  51 /* editline.c */
  52 extern WCHAR* CONSOLE_Readline(HANDLE, int);
  53
  54 static WCHAR*   S_EditString /* = NULL */;
  55 static unsigned S_EditStrPos /* = 0 */;
  56
  57 /***********************************************************************
  58  *            FreeConsole (KERNEL32.@)
  59  */
  60 BOOL WINAPI FreeConsole(VOID)
  61 {
  62     BOOL ret;
  63
  64     SERVER_START_REQ(free_console)
  65     {
  66         ret = !wine_server_call_err( req );
  67     }
  68     SERVER_END_REQ;
  69     return ret;
  70 }
  71
  72 /******************************************************************
  73  *              start_console_renderer
  74  *
  75  * helper for AllocConsole
  76  * starts the renderer process
  77  */
  78 static  BOOL    start_console_renderer(void)
  79 {
  80     char                buffer[256];
  81     int                 ret;
  82     STARTUPINFOA        si;
  83     PROCESS_INFORMATION pi;
  84     HANDLE              hEvent = 0;
  85     LPSTR               p, path = NULL;
  86     OBJECT_ATTRIBUTES   attr;
  87
  88     attr.Length                   = sizeof(attr);
  89     attr.RootDirectory            = 0;
  90     attr.Attributes               = OBJ_INHERIT;
  91     attr.ObjectName               = NULL;
  92     attr.SecurityDescriptor       = NULL;
  93     attr.SecurityQualityOfService = NULL;
  94
  95     NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, &attr, TRUE, FALSE);
  96     if (!hEvent) return FALSE;
  97
  98     memset(&si, 0, sizeof(si));
  99     si.cb = sizeof(si);
 100
 101     /* FIXME: use dynamic allocation for most of the buffers below */
 102     /* first try environment variable */
 103     if ((p = getenv("WINECONSOLE")) != NULL)
 104     {
 105         ret = snprintf(buffer, sizeof(buffer), "%s --use-event=%d", p, hEvent);
 106         if ((ret > -1) && (ret < sizeof(buffer)) &&
 107             CreateProcessA(NULL, buffer, NULL, NULL, TRUE, DETACHED_PROCESS, NULL, NULL, &si, &pi))
 108             goto succeed;
 109         ERR("Couldn't launch Wine console from WINECONSOLE env var... trying default access\n");
 110     }
 111
 112     /* then the regular installation dir */
 113     ret = snprintf(buffer, sizeof(buffer), "%s --use-event=%d", BINDIR "/wineconsole", hEvent);
 114     if ((ret > -1) && (ret < sizeof(buffer)) &&
 115         CreateProcessA(NULL, buffer, NULL, NULL, TRUE, DETACHED_PROCESS, NULL, NULL, &si, &pi))
 116         goto succeed;
 117
 118     /* then try the dir where we were started from */
 119     if ((path = HeapAlloc(GetProcessHeap(), 0, strlen(full_argv0) + sizeof(buffer))))
 120     {
 121         int     n;
 122
 123         if ((p = strrchr(strcpy( path, full_argv0 ), '/')))
 124         {
 125             p++;
 126             sprintf(p, "wineconsole --use-event=%d", hEvent);
 127             if (CreateProcessA(NULL, path, NULL, NULL, TRUE, DETACHED_PROCESS, NULL, NULL, &si, &pi))
 128                 goto succeed;
 129             sprintf(p, "programs/wineconsole/wineconsole --use-event=%d", hEvent);
 130             if (CreateProcessA(NULL, path, NULL, NULL, TRUE, DETACHED_PROCESS, NULL, NULL, &si, &pi))
 131                 goto succeed;
 132         }
 133
 134         n = readlink(full_argv0, buffer, sizeof(buffer));
 135         if (n != -1 && n < sizeof(buffer))
 136         {
 137             buffer[n] = 0;
 138             if (buffer[0] == '/') /* absolute path ? */
 139                 strcpy(path, buffer);
 140             else if ((p = strrchr(strcpy( path, full_argv0 ), '/')))
 141             {
 142                 strcpy(p + 1, buffer);
 143             }
 144             else *path = 0;
 145
 146             if ((p = strrchr(path, '/')))
 147             {
 148                 p++;
 149                 sprintf(p, "wineconsole --use-event=%d", hEvent);
 150                 if (CreateProcessA(NULL, path, NULL, NULL, TRUE, DETACHED_PROCESS, NULL, NULL, &si, &pi))
 151                     goto succeed;
 152                 sprintf(p, "programs/wineconsole/wineconsole --use-event=%d", hEvent);
 153                 if (CreateProcessA(NULL, path, NULL, NULL, TRUE, DETACHED_PROCESS, NULL, NULL, &si, &pi))
 154                     goto succeed;
 155             }
 156         } else perror("readlink");
 157
 158         HeapFree(GetProcessHeap(), 0, path);    path = NULL;
 159     }
 160
 161     /* then try the regular PATH */
 162     sprintf(buffer, "wineconsole --use-event=%d\n", hEvent);
 163     if (CreateProcessA(NULL, buffer, NULL, NULL, TRUE, DETACHED_PROCESS, NULL, NULL, &si, &pi))
 164         goto succeed;
 165
 166     goto the_end;
 167
 168  succeed:
 169     if (path) HeapFree(GetProcessHeap(), 0, path);
 170     if (WaitForSingleObject(hEvent, INFINITE) != WAIT_OBJECT_0) goto the_end;
 171     CloseHandle(hEvent);
 172
 173     TRACE("Started wineconsole pid=%08lx tid=%08lx\n", pi.dwProcessId, pi.dwThreadId);
 174
 175     return TRUE;
 176
 177  the_end:
 178     ERR("Can't allocate console\n");
 179     if (path)           HeapFree(GetProcessHeap(), 0, path);
 180     CloseHandle(hEvent);
 181     return FALSE;
 182 }
 183
 184 /***********************************************************************
 185  *            AllocConsole (KERNEL32.@)
 186  *
 187  * creates an xterm with a pty to our program
 188  */
 189 BOOL WINAPI AllocConsole(void)
 190 {
 191     HANDLE              handle_in = INVALID_HANDLE_VALUE;
 192     HANDLE              handle_out = INVALID_HANDLE_VALUE;
 193     HANDLE              handle_err = INVALID_HANDLE_VALUE;
 194     STARTUPINFOW si;
 195
 196     TRACE("()\n");
 197
 198     handle_in = CreateFileA( "CONIN$", GENERIC_READ|GENERIC_WRITE|SYNCHRONIZE,
 199                              0, NULL, OPEN_EXISTING, 0, 0 );
 200
 201     if (handle_in != INVALID_HANDLE_VALUE)
 202     {
 203         /* we already have a console opened on this process, don't create a new one */
 204         CloseHandle(handle_in);
 205         return FALSE;
 206     }
 207
 208     if (!start_console_renderer())
 209         goto the_end;
 210
 211     handle_in = CreateFileA( "CONIN$", GENERIC_READ|GENERIC_WRITE|SYNCHRONIZE,
 212                              0, NULL, OPEN_EXISTING, 0, 0 );
 213     if (handle_in == INVALID_HANDLE_VALUE) goto the_end;
 214
 215     handle_out = CreateFileA( "CONOUT$", GENERIC_READ|GENERIC_WRITE,
 216                              0, NULL, OPEN_EXISTING, 0, 0 );
 217     if (handle_out == INVALID_HANDLE_VALUE) goto the_end;
 218
 219     if (!DuplicateHandle(GetCurrentProcess(), handle_out, GetCurrentProcess(), &handle_err,
 220                          0, TRUE, DUPLICATE_SAME_ACCESS))
 221         goto the_end;
 222
 223     /* NT resets the STD_*_HANDLEs on console alloc */
 224     SetStdHandle(STD_INPUT_HANDLE,  handle_in);
 225     SetStdHandle(STD_OUTPUT_HANDLE, handle_out);
 226     SetStdHandle(STD_ERROR_HANDLE,  handle_err);
 227
 228     GetStartupInfoW(&si);
 229     if (si.dwFlags & STARTF_USECOUNTCHARS)
 230     {
 231         COORD   c;
 232         c.X = si.dwXCountChars;
 233         c.Y = si.dwYCountChars;
 234         SetConsoleScreenBufferSize(handle_out, c);
 235     }
 236     if (si.dwFlags & STARTF_USEFILLATTRIBUTE)
 237         SetConsoleTextAttribute(handle_out, si.dwFillAttribute);
 238     if (si.lpTitle)
 239         SetConsoleTitleW(si.lpTitle);
 240
 241     SetLastError(ERROR_SUCCESS);
 242
 243     return TRUE;
 244
 245  the_end:
 246     ERR("Can't allocate console\n");
 247     if (handle_in != INVALID_HANDLE_VALUE)      CloseHandle(handle_in);
 248     if (handle_out != INVALID_HANDLE_VALUE)     CloseHandle(handle_out);
 249     if (handle_err != INVALID_HANDLE_VALUE)     CloseHandle(handle_err);
 250     FreeConsole();
 251     return FALSE;
 252 }
 253
 254
 255 /******************************************************************************
 256  * read_console_input
 257  *
 258  * Helper function for ReadConsole, ReadConsoleInput and PeekConsoleInput
 259  */
 260 static BOOL read_console_input(HANDLE handle, LPINPUT_RECORD buffer, DWORD count,
 261                                LPDWORD pRead, BOOL flush)
 262 {
 263     BOOL        ret;
 264     unsigned    read = 0;
 265     DWORD       mode;
 266
 267     SERVER_START_REQ( read_console_input )
 268     {
 269         req->handle = handle;
 270         req->flush = flush;
 271         wine_server_set_reply( req, buffer, count * sizeof(INPUT_RECORD) );
 272         if ((ret = !wine_server_call_err( req ))) read = reply->read;
 273     }
 274     SERVER_END_REQ;
 275     if (count && flush && GetConsoleMode(handle, &mode) && (mode & ENABLE_PROCESSED_INPUT))
 276     {
 277         int     i;
 278
 279         for (i = 0; i < read; i++)
 280         {
 281             if (buffer[i].EventType == KEY_EVENT && buffer[i].Event.KeyEvent.bKeyDown &&
 282                 buffer[i].Event.KeyEvent.uChar.UnicodeChar == 'C' - 64 &&
 283                 !(buffer[i].Event.KeyEvent.dwControlKeyState & ENHANCED_KEY))
 284             {
 285                 GenerateConsoleCtrlEvent(CTRL_C_EVENT, GetCurrentProcessId());
 286                 /* FIXME: this is hackish, but it easily disables IR handling afterwards */
 287                 buffer[i].Event.KeyEvent.uChar.UnicodeChar = 0;
 288             }
 289         }
 290     }
 291     if (pRead) *pRead = read;
 292     return ret;
 293 }
 294
 295
 296 /***********************************************************************
 297  *            ReadConsoleA   (KERNEL32.@)
 298  */
 299 BOOL WINAPI ReadConsoleA(HANDLE hConsoleInput, LPVOID lpBuffer, DWORD nNumberOfCharsToRead,
 300                          LPDWORD lpNumberOfCharsRead, LPVOID lpReserved)
 301 {
 302     LPWSTR      ptr = HeapAlloc(GetProcessHeap(), 0, nNumberOfCharsToRead * sizeof(WCHAR));
 303     DWORD       ncr = 0;
 304     BOOL        ret;
 305
 306     if ((ret = ReadConsoleW(hConsoleInput, ptr, nNumberOfCharsToRead, &ncr, 0)))
 307         ncr = WideCharToMultiByte(CP_ACP, 0, ptr, ncr, lpBuffer, nNumberOfCharsToRead, NULL, NULL);
 308
 309     if (lpNumberOfCharsRead) *lpNumberOfCharsRead = ncr;
 310     HeapFree(GetProcessHeap(), 0, ptr);
 311
 312     return ret;
 313 }
 314
 315 /***********************************************************************
 316  *            ReadConsoleW   (KERNEL32.@)
 317  */
 318 BOOL WINAPI ReadConsoleW(HANDLE hConsoleInput, LPVOID lpBuffer,
 319                          DWORD nNumberOfCharsToRead, LPDWORD lpNumberOfCharsRead, LPVOID lpReserved)
 320 {
 321     DWORD       charsread;
 322     LPWSTR      xbuf = (LPWSTR)lpBuffer;
 323     DWORD       mode;
 324
 325     TRACE("(%d,%p,%ld,%p,%p)\n",
 326           hConsoleInput, lpBuffer, nNumberOfCharsToRead, lpNumberOfCharsRead, lpReserved);
 327
 328     if (!GetConsoleMode(hConsoleInput, &mode))
 329         return FALSE;
 330
 331     if (mode & ENABLE_LINE_INPUT)
 332     {
 333         if (!S_EditString || S_EditString[S_EditStrPos] == 0)
 334         {
 335             if (S_EditString) HeapFree(GetProcessHeap(), 0, S_EditString);
 336             if (!(S_EditString = CONSOLE_Readline(hConsoleInput, mode & WINE_ENABLE_LINE_INPUT_EMACS)))
 337                 return FALSE;
 338             S_EditStrPos = 0;
 339         }
 340         charsread = lstrlenW(&S_EditString[S_EditStrPos]);
 341         if (charsread > nNumberOfCharsToRead) charsread = nNumberOfCharsToRead;
 342         memcpy(xbuf, &S_EditString[S_EditStrPos], charsread * sizeof(WCHAR));
 343         S_EditStrPos += charsread;
 344     }
 345     else
 346     {
 347         INPUT_RECORD    ir;
 348         DWORD           count;
 349
 350         /* FIXME: should we read at least 1 char? The SDK does not say */
 351         /* wait for at least one available input record (it doesn't mean we'll have
 352          * chars stored in xbuf...
 353          */
 354         WaitForSingleObject(hConsoleInput, INFINITE);
 355         for (charsread = 0; charsread < nNumberOfCharsToRead;)
 356         {
 357             if (!read_console_input(hConsoleInput, &ir, 1, &count, TRUE)) return FALSE;
 358             if (count && ir.EventType == KEY_EVENT && ir.Event.KeyEvent.bKeyDown &&
 359                 ir.Event.KeyEvent.uChar.UnicodeChar &&
 360                 !(ir.Event.KeyEvent.dwControlKeyState & ENHANCED_KEY))
 361             {
 362                 xbuf[charsread++] = ir.Event.KeyEvent.uChar.UnicodeChar;
 363             }
 364         }
 365     }
 366
 367     if (lpNumberOfCharsRead) *lpNumberOfCharsRead = charsread;
 368
 369     return TRUE;
 370 }
 371
 372
 373 /***********************************************************************
 374  *            ReadConsoleInputW   (KERNEL32.@)
 375  */
 376 BOOL WINAPI ReadConsoleInputW(HANDLE hConsoleInput, LPINPUT_RECORD lpBuffer,
 377                               DWORD nLength, LPDWORD lpNumberOfEventsRead)
 378 {
 379     DWORD count;
 380
 381     if (!nLength)
 382     {
 383         if (lpNumberOfEventsRead) *lpNumberOfEventsRead = 0;
 384         return TRUE;
 385     }
 386
 387     /* loop until we get at least one event */
 388     for (;;)
 389     {
 390         WaitForSingleObject(hConsoleInput, INFINITE);
 391         if (!read_console_input(hConsoleInput, lpBuffer, nLength, &count, TRUE))
 392             return FALSE;
 393         if (count)
 394         {
 395             if (lpNumberOfEventsRead) *lpNumberOfEventsRead = count;
 396             return TRUE;
 397         }
 398     }
 399 }
 400
 401
 402 /******************************************************************************
 403  * WriteConsoleOutputCharacterW [KERNEL32.@]  Copies character to consecutive
 404  *                                            cells in the console screen buffer
 405  *
 406  * PARAMS
 407  *    hConsoleOutput    [I] Handle to screen buffer
 408  *    str               [I] Pointer to buffer with chars to write
 409  *    length            [I] Number of cells to write to
 410  *    coord             [I] Coords of first cell
 411  *    lpNumCharsWritten [O] Pointer to number of cells written
 412  *
 413  * RETURNS
 414  *    Success: TRUE
 415  *    Failure: FALSE
 416  *
 417  */
 418 BOOL WINAPI WriteConsoleOutputCharacterW( HANDLE hConsoleOutput, LPCWSTR str, DWORD length,
 419                                           COORD coord, LPDWORD lpNumCharsWritten )
 420 {
 421     BOOL ret;
 422
 423     TRACE("(%d,%s,%ld,%dx%d,%p)\n", hConsoleOutput,
 424           debugstr_wn(str, length), length, coord.X, coord.Y, lpNumCharsWritten);
 425
 426     SERVER_START_REQ( write_console_output )
 427     {
 428         req->handle = hConsoleOutput;
 429         req->x      = coord.X;
 430         req->y      = coord.Y;
 431         req->mode   = CHAR_INFO_MODE_TEXT;
 432         req->wrap   = TRUE;
 433         wine_server_add_data( req, str, length * sizeof(WCHAR) );
 434         if ((ret = !wine_server_call_err( req )))
 435         {
 436             if (lpNumCharsWritten) *lpNumCharsWritten = reply->written;
 437         }
 438     }
 439     SERVER_END_REQ;
 440     return ret;
 441 }
 442
 443
 444 /******************************************************************************
 445  * SetConsoleTitleW [KERNEL32.@]  Sets title bar string for console
 446  *
 447  * PARAMS
 448  *    title [I] Address of new title
 449  *
 450  * RETURNS
 451  *    Success: TRUE
 452  *    Failure: FALSE
 453  */
 454 BOOL WINAPI SetConsoleTitleW(LPCWSTR title)
 455 {
 456     BOOL ret;
 457
 458     SERVER_START_REQ( set_console_input_info )
 459     {
 460         req->handle = 0;
 461         req->mask = SET_CONSOLE_INPUT_INFO_TITLE;
 462         wine_server_add_data( req, title, strlenW(title) * sizeof(WCHAR) );
 463         ret = !wine_server_call_err( req );
 464     }
 465     SERVER_END_REQ;
 466     return ret;
 467 }
 468
 469
 470 /***********************************************************************
 471  *            GetNumberOfConsoleMouseButtons   (KERNEL32.@)
 472  */
 473 BOOL WINAPI GetNumberOfConsoleMouseButtons(LPDWORD nrofbuttons)
 474 {
 475     FIXME("(%p): stub\n", nrofbuttons);
 476     *nrofbuttons = 2;
 477     return TRUE;
 478 }
 479
 480 /******************************************************************************
 481  *  SetConsoleInputExeNameW      [KERNEL32.@]
 482  *
 483  * BUGS
 484  *   Unimplemented
 485  */
 486 BOOL WINAPI SetConsoleInputExeNameW(LPCWSTR name)
 487 {
 488     FIXME("(%s): stub!\n", debugstr_w(name));
 489
 490     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 491     return TRUE;
 492 }
 493
 494 /******************************************************************************
 495  *  SetConsoleInputExeNameA      [KERNEL32.@]
 496  *
 497  * BUGS
 498  *   Unimplemented
 499  */
 500 BOOL WINAPI SetConsoleInputExeNameA(LPCSTR name)
 501 {
 502     int         len = MultiByteToWideChar(CP_ACP, 0, name, -1, NULL, 0);
 503     LPWSTR      xptr = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 504     BOOL        ret;
 505
 506     if (!xptr) return FALSE;
 507
 508     MultiByteToWideChar(CP_ACP, 0, name, -1, xptr, len);
 509     ret = SetConsoleInputExeNameW(xptr);
 510     HeapFree(GetProcessHeap(), 0, xptr);
 511
 512     return ret;
 513 }
 514
 515 static BOOL WINAPI CONSOLE_DefaultHandler(DWORD dwCtrlType)
 516 {
 517     FIXME("Terminating process %lx on event %lx\n", GetCurrentProcessId(), dwCtrlType);
 518     ExitProcess(0);
 519     /* should never go here */
 520     return TRUE;
 521 }
 522
 523 /******************************************************************************
 524  * SetConsoleCtrlHandler [KERNEL32.@]  Adds function to calling process list
 525  *
 526  * PARAMS
 527  *    func [I] Address of handler function
 528  *    add  [I] Handler to add or remove
 529  *
 530  * RETURNS
 531  *    Success: TRUE
 532  *    Failure: FALSE
 533  *
 534  * CHANGED
 535  * James Sutherland (JamesSutherland@gmx.de)
 536  * Added global variables console_ignore_ctrl_c and handlers[]
 537  * Does not yet do any error checking, or set LastError if failed.
 538  * This doesn't yet matter, since these handlers are not yet called...!
 539  */
 540
 541 static unsigned int console_ignore_ctrl_c = 0; /* FIXME: this should be inherited somehow */
 542 static PHANDLER_ROUTINE handlers[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,CONSOLE_DefaultHandler};
 543
 544 /*****************************************************************************/
 545
 546 BOOL WINAPI SetConsoleCtrlHandler(PHANDLER_ROUTINE func, BOOL add)
 547 {
 548     int alloc_loop = sizeof(handlers)/sizeof(handlers[0]) - 1;
 549
 550     FIXME("(%p,%i) - no error checking or testing yet\n", func, add);
 551
 552     if (!func)
 553     {
 554         console_ignore_ctrl_c = add;
 555         return TRUE;
 556     }
 557     if (add)
 558     {
 559         for (; alloc_loop >= 0 && handlers[alloc_loop]; alloc_loop--);
 560         if (alloc_loop <= 0)
 561         {
 562             FIXME("Out of space on CtrlHandler table\n");
 563             return FALSE;
 564         }
 565         handlers[alloc_loop] = func;
 566     }
 567     else
 568     {
 569         for (; alloc_loop >= 0 && handlers[alloc_loop] != func; alloc_loop--);
 570         if (alloc_loop <= 0)
 571         {
 572             WARN("Attempt to remove non-installed CtrlHandler %p\n", func);
 573             return FALSE;
 574         }
 575         /* sanity check */
 576         if (alloc_loop == sizeof(handlers)/sizeof(handlers[0]) - 1)
 577         {
 578             ERR("Who's trying to remove default handler???\n");
 579             return FALSE;
 580         }
 581         if (alloc_loop)
 582             memmove(&handlers[1], &handlers[0], alloc_loop * sizeof(handlers[0]));
 583         handlers[0] = 0;
 584     }
 585     return TRUE;
 586 }
 587
 588 static WINE_EXCEPTION_FILTER(CONSOLE_CtrlEventHandler)
 589 {
 590     TRACE("(%lx)\n", GetExceptionCode());
 591     return EXCEPTION_EXECUTE_HANDLER;
 592 }
 593
 594 /******************************************************************************
 595  * GenerateConsoleCtrlEvent [KERNEL32.@] Simulate a CTRL-C or CTRL-BREAK
 596  *
 597  * PARAMS
 598  *    dwCtrlEvent        [I] Type of event
 599  *    dwProcessGroupID   [I] Process group ID to send event to
 600  *
 601  * NOTES
 602  *    Doesn't yet work...!
 603  *
 604  * RETURNS
 605  *    Success: True
 606  *    Failure: False (and *should* [but doesn't] set LastError)
 607  */
 608 BOOL WINAPI GenerateConsoleCtrlEvent(DWORD dwCtrlEvent,
 609                                      DWORD dwProcessGroupID)
 610 {
 611     if (dwCtrlEvent != CTRL_C_EVENT && dwCtrlEvent != CTRL_BREAK_EVENT)
 612     {
 613         ERR("invalid event %ld for PGID %ld\n", dwCtrlEvent, dwProcessGroupID);
 614         return FALSE;
 615     }
 616
 617     if (dwProcessGroupID == GetCurrentProcessId() || dwProcessGroupID == 0)
 618     {
 619         int     i;
 620
 621         FIXME("Attempt to send event %ld to self groupID, doing locally only\n", dwCtrlEvent);
 622
 623         /* this is only meaningfull when done locally, otherwise it will have to be done on
 624          * the 'receive' side of the event generation
 625          */
 626         if (dwCtrlEvent == CTRL_C_EVENT && console_ignore_ctrl_c)
 627             return TRUE;
 628
 629         /* try to pass the exception to the debugger
 630          * if it continues, there's nothing more to do
 631          * otherwise, we need to send the ctrl-event to the handlers
 632          */
 633         __TRY
 634         {
 635             RaiseException( (dwCtrlEvent == CTRL_C_EVENT) ? DBG_CONTROL_C : DBG_CONTROL_BREAK,
 636                             0, 0, NULL);
 637         }
 638         __EXCEPT(CONSOLE_CtrlEventHandler)
 639         {
 640             /* the debugger didn't continue... so, pass to ctrl handlers */
 641             for (i = 0; i < sizeof(handlers)/sizeof(handlers[0]); i++)
 642             {
 643                 if (handlers[i] && (handlers[i])(dwCtrlEvent)) break;
 644             }
 645         }
 646         __ENDTRY;
 647         return TRUE;
 648     }
 649     FIXME("event %ld to external PGID %ld - not implemented yet\n", dwCtrlEvent, dwProcessGroupID);
 650     return FALSE;
 651 }
 652
 653
 654 /******************************************************************************
 655  * CreateConsoleScreenBuffer [KERNEL32.@]  Creates a console screen buffer
 656  *
 657  * PARAMS
 658  *    dwDesiredAccess    [I] Access flag
 659  *    dwShareMode        [I] Buffer share mode
 660  *    sa                 [I] Security attributes
 661  *    dwFlags            [I] Type of buffer to create
 662  *    lpScreenBufferData [I] Reserved
 663  *
 664  * NOTES
 665  *    Should call SetLastError
 666  *
 667  * RETURNS
 668  *    Success: Handle to new console screen buffer
 669  *    Failure: INVALID_HANDLE_VALUE
 670  */
 671 HANDLE WINAPI CreateConsoleScreenBuffer(DWORD dwDesiredAccess, DWORD dwShareMode,
 672                                         LPSECURITY_ATTRIBUTES sa, DWORD dwFlags,
 673                                         LPVOID lpScreenBufferData)
 674 {
 675     HANDLE      ret = INVALID_HANDLE_VALUE;
 676
 677     TRACE("(%ld,%ld,%p,%ld,%p)\n",
 678           dwDesiredAccess, dwShareMode, sa, dwFlags, lpScreenBufferData);
 679
 680     if (dwFlags != CONSOLE_TEXTMODE_BUFFER || lpScreenBufferData != NULL)
 681     {
 682         SetLastError(ERROR_INVALID_PARAMETER);
 683         return INVALID_HANDLE_VALUE;
 684     }
 685
 686     SERVER_START_REQ(create_console_output)
 687     {
 688         req->handle_in = 0;
 689         req->access    = dwDesiredAccess;
 690         req->share     = dwShareMode;
 691         req->inherit   = (sa && sa->bInheritHandle);
 692         if (!wine_server_call_err( req )) ret = reply->handle_out;
 693     }
 694     SERVER_END_REQ;
 695
 696     return ret;
 697 }
 698
 699
 700 /***********************************************************************
 701  *           GetConsoleScreenBufferInfo   (KERNEL32.@)
 702  */
 703 BOOL WINAPI GetConsoleScreenBufferInfo(HANDLE hConsoleOutput, LPCONSOLE_SCREEN_BUFFER_INFO csbi)
 704 {
 705     BOOL        ret;
 706
 707     SERVER_START_REQ(get_console_output_info)
 708     {
 709         req->handle = hConsoleOutput;
 710         if ((ret = !wine_server_call_err( req )))
 711         {
 712             csbi->dwSize.X              = reply->width;
 713             csbi->dwSize.Y              = reply->height;
 714             csbi->dwCursorPosition.X    = reply->cursor_x;
 715             csbi->dwCursorPosition.Y    = reply->cursor_y;
 716             csbi->wAttributes           = reply->attr;
 717             csbi->srWindow.Left         = reply->win_left;
 718             csbi->srWindow.Right        = reply->win_right;
 719             csbi->srWindow.Top          = reply->win_top;
 720             csbi->srWindow.Bottom       = reply->win_bottom;
 721             csbi->dwMaximumWindowSize.X = reply->max_width;
 722             csbi->dwMaximumWindowSize.Y = reply->max_height;
 723         }
 724     }
 725     SERVER_END_REQ;
 726
 727     return ret;
 728 }
 729
 730
 731 /******************************************************************************
 732  * SetConsoleActiveScreenBuffer [KERNEL32.@]  Sets buffer to current console
 733  *
 734  * RETURNS
 735  *    Success: TRUE
 736  *    Failure: FALSE
 737  */
 738 BOOL WINAPI SetConsoleActiveScreenBuffer(HANDLE hConsoleOutput)
 739 {
 740     BOOL ret;
 741
 742     TRACE("(%x)\n", hConsoleOutput);
 743
 744     SERVER_START_REQ( set_console_input_info )
 745     {
 746         req->handle    = 0;
 747         req->mask      = SET_CONSOLE_INPUT_INFO_ACTIVE_SB;
 748         req->active_sb = hConsoleOutput;
 749         ret = !wine_server_call_err( req );
 750     }
 751     SERVER_END_REQ;
 752     return ret;
 753 }
 754
 755
 756 /***********************************************************************
 757  *            GetConsoleMode   (KERNEL32.@)
 758  */
 759 BOOL WINAPI GetConsoleMode(HANDLE hcon, LPDWORD mode)
 760 {
 761     BOOL ret;
 762
 763     SERVER_START_REQ(get_console_mode)
 764     {
 765         req->handle = hcon;
 766         ret = !wine_server_call_err( req );
 767         if (ret && mode) *mode = reply->mode;
 768     }
 769     SERVER_END_REQ;
 770     return ret;
 771 }
 772
 773
 774 /******************************************************************************
 775  * SetConsoleMode [KERNEL32.@]  Sets input mode of console's input buffer
 776  *
 777  * PARAMS
 778  *    hcon [I] Handle to console input or screen buffer
 779  *    mode [I] Input or output mode to set
 780  *
 781  * RETURNS
 782  *    Success: TRUE
 783  *    Failure: FALSE
 784  */
 785 BOOL WINAPI SetConsoleMode(HANDLE hcon, DWORD mode)
 786 {
 787     BOOL ret;
 788
 789     TRACE("(%x,%lx)\n", hcon, mode);
 790
 791     SERVER_START_REQ(set_console_mode)
 792     {
 793         req->handle = hcon;
 794         req->mode = mode;
 795         ret = !wine_server_call_err( req );
 796     }
 797     SERVER_END_REQ;
 798     /* FIXME: when resetting a console input to editline mode, I think we should
 799      * empty the S_EditString buffer
 800      */
 801     return ret;
 802 }
 803
 804
 805 /******************************************************************
 806  *              write_char
 807  *
 808  * WriteConsoleOutput helper: hides server call semantics
 809  */
 810 static int write_char(HANDLE hCon, LPCWSTR lpBuffer, int nc, COORD* pos)
 811 {
 812     int written = -1;
 813
 814     if (!nc) return 0;
 815
 816     SERVER_START_REQ( write_console_output )
 817     {
 818         req->handle = hCon;
 819         req->x      = pos->X;
 820         req->y      = pos->Y;
 821         req->mode   = CHAR_INFO_MODE_TEXTSTDATTR;
 822         req->wrap   = FALSE;
 823         wine_server_add_data( req, lpBuffer, nc * sizeof(WCHAR) );
 824         if (!wine_server_call_err( req )) written = reply->written;
 825     }
 826     SERVER_END_REQ;
 827
 828     if (written > 0) pos->X += written;
 829     return written;
 830 }
 831
 832 /******************************************************************
 833  *              next_line
 834  *
 835  * WriteConsoleOutput helper: handles passing to next line (+scrolling if necessary)
 836  *
 837  */
 838 static int      next_line(HANDLE hCon, CONSOLE_SCREEN_BUFFER_INFO* csbi)
 839 {
 840     SMALL_RECT  src;
 841     CHAR_INFO   ci;
 842     COORD       dst;
 843
 844     csbi->dwCursorPosition.X = 0;
 845     csbi->dwCursorPosition.Y++;
 846
 847     if (csbi->dwCursorPosition.Y < csbi->dwSize.Y) return 1;
 848
 849     src.Top    = 1;
 850     src.Bottom = csbi->dwSize.Y - 1;
 851     src.Left   = 0;
 852     src.Right  = csbi->dwSize.X - 1;
 853
 854     dst.X      = 0;
 855     dst.Y      = 0;
 856
 857     ci.Attributes = csbi->wAttributes;
 858     ci.Char.UnicodeChar = ' ';
 859
 860     csbi->dwCursorPosition.Y--;
 861     if (!ScrollConsoleScreenBufferW(hCon, &src, NULL, dst, &ci))
 862         return 0;
 863     return 1;
 864 }
 865
 866 /******************************************************************
 867  *              write_block
 868  *
 869  * WriteConsoleOutput helper: writes a block of non special characters
 870  * Block can spread on several lines, and wrapping, if needed, is
 871  * handled
 872  *
 873  */
 874 static int      write_block(HANDLE hCon, CONSOLE_SCREEN_BUFFER_INFO* csbi,
 875                             DWORD mode, LPWSTR ptr, int len)
 876 {
 877     int blk;    /* number of chars to write on current line */
 878
 879     if (len <= 0) return 1;
 880
 881     if (mode & ENABLE_WRAP_AT_EOL_OUTPUT) /* writes remaining on next line */
 882     {
 883         int     done;
 884
 885         for (done = 0; done < len; done += blk)
 886         {
 887             blk = min(len - done, csbi->dwSize.X - csbi->dwCursorPosition.X);
 888
 889             if (write_char(hCon, ptr + done, blk, &csbi->dwCursorPosition) != blk)
 890                 return 0;
 891             if (csbi->dwCursorPosition.X == csbi->dwSize.X && !next_line(hCon, csbi))
 892                 return 0;
 893         }
 894     }
 895     else
 896     {
 897         blk = min(len, csbi->dwSize.X - csbi->dwCursorPosition.X);
 898
 899         if (write_char(hCon, ptr, blk, &csbi->dwCursorPosition) != blk)
 900             return 0;
 901         if (blk < len)
 902         {
 903             csbi->dwCursorPosition.X = csbi->dwSize.X - 1;
 904             /* all remaining chars should be written on last column,
 905              * so only overwrite the last column with last char in block
 906              */
 907             if (write_char(hCon, ptr + len - 1, 1, &csbi->dwCursorPosition) != 1)
 908                 return 0;
 909             csbi->dwCursorPosition.X = csbi->dwSize.X - 1;
 910         }
 911     }
 912
 913     return 1;
 914 }
 915
 916 /***********************************************************************
 917  *            WriteConsoleW   (KERNEL32.@)
 918  */
 919 BOOL WINAPI WriteConsoleW(HANDLE hConsoleOutput, LPCVOID lpBuffer, DWORD nNumberOfCharsToWrite,
 920                           LPDWORD lpNumberOfCharsWritten, LPVOID lpReserved)
 921 {
 922     DWORD                       mode;
 923     DWORD                       nw = 0;
 924     WCHAR*                      psz = (WCHAR*)lpBuffer;
 925     CONSOLE_SCREEN_BUFFER_INFO  csbi;
 926     int                         k, first = 0;
 927
 928     TRACE("%d %s %ld %p %p\n",
 929           hConsoleOutput, debugstr_wn(lpBuffer, nNumberOfCharsToWrite),
 930           nNumberOfCharsToWrite, lpNumberOfCharsWritten, lpReserved);
 931
 932     if (lpNumberOfCharsWritten) *lpNumberOfCharsWritten = 0;
 933
 934     if (!GetConsoleMode(hConsoleOutput, &mode) ||
 935         !GetConsoleScreenBufferInfo(hConsoleOutput, &csbi))
 936         return FALSE;
 937
 938     if (mode & ENABLE_PROCESSED_OUTPUT)
 939     {
 940         int     i;
 941
 942         for (i = 0; i < nNumberOfCharsToWrite; i++)
 943         {
 944             switch (psz[i])
 945             {
 946             case '\b': case '\t': case '\n': case '\a': case '\r':
 947                 /* don't handle here the i-th char... done below */
 948                 if ((k = i - first) > 0)
 949                 {
 950                     if (!write_block(hConsoleOutput, &csbi, mode, &psz[first], k))
 951                         goto the_end;
 952                     nw += k;
 953                 }
 954                 first = i + 1;
 955                 nw++;
 956             }
 957             switch (psz[i])
 958             {
 959             case '\b':
 960                 if (csbi.dwCursorPosition.X > 0) csbi.dwCursorPosition.X--;
 961                 break;
 962             case '\t':
 963                 {
 964                     WCHAR tmp[8] = {' ',' ',' ',' ',' ',' ',' ',' '};
 965
 966                     if (!write_block(hConsoleOutput, &csbi, mode, tmp,
 967                                      ((csbi.dwCursorPosition.X + 8) & ~7) - csbi.dwCursorPosition.X))
 968                         goto the_end;
 969                 }
 970                 break;
 971             case '\n':
 972                 next_line(hConsoleOutput, &csbi);
 973                 break;
 974             case '\a':
 975                 Beep(400, 300);
 976                 break;
 977             case '\r':
 978                 csbi.dwCursorPosition.X = 0;
 979                 break;
 980             default:
 981                 break;
 982             }
 983         }
 984     }
 985
 986     /* write the remaining block (if any) if processed output is enabled, or the
 987      * entire buffer otherwise
 988      */
 989     if ((k = nNumberOfCharsToWrite - first) > 0)
 990     {
 991         if (!write_block(hConsoleOutput, &csbi, mode, &psz[first], k))
 992             goto the_end;
 993         nw += k;
 994     }
 995
 996  the_end:
 997     SetConsoleCursorPosition(hConsoleOutput, csbi.dwCursorPosition);
 998     if (lpNumberOfCharsWritten) *lpNumberOfCharsWritten = nw;
 999     return nw != 0;
1000 }
1001
1002
1003 /***********************************************************************
1004  *            WriteConsoleA   (KERNEL32.@)
1005  */
1006 BOOL WINAPI WriteConsoleA(HANDLE hConsoleOutput, LPCVOID lpBuffer, DWORD nNumberOfCharsToWrite,
1007                           LPDWORD lpNumberOfCharsWritten, LPVOID lpReserved)
1008 {
1009     BOOL        ret;
1010     LPWSTR      xstring;
1011     DWORD       n;
1012
1013     n = MultiByteToWideChar(CP_ACP, 0, lpBuffer, nNumberOfCharsToWrite, NULL, 0);
1014
1015     if (lpNumberOfCharsWritten) *lpNumberOfCharsWritten = 0;
1016     xstring = HeapAlloc(GetProcessHeap(), 0, n * sizeof(WCHAR));
1017     if (!xstring) return 0;
1018
1019     MultiByteToWideChar(CP_ACP, 0, lpBuffer, nNumberOfCharsToWrite, xstring, n);
1020
1021     ret = WriteConsoleW(hConsoleOutput, xstring, n, lpNumberOfCharsWritten, 0);
1022
1023     HeapFree(GetProcessHeap(), 0, xstring);
1024
1025     return ret;
1026 }
1027
1028 /******************************************************************************
1029  * SetConsoleCursorPosition [KERNEL32.@]
1030  * Sets the cursor position in console
1031  *
1032  * PARAMS
1033  *    hConsoleOutput   [I] Handle of console screen buffer
1034  *    dwCursorPosition [I] New cursor position coordinates
1035  *
1036  * RETURNS STD
1037  */
1038 BOOL WINAPI SetConsoleCursorPosition(HANDLE hcon, COORD pos)
1039 {
1040     BOOL                        ret;
1041     CONSOLE_SCREEN_BUFFER_INFO  csbi;
1042     int                         do_move = 0;
1043     int                         w, h;
1044
1045     TRACE("%x %d %d\n", hcon, pos.X, pos.Y);
1046
1047     SERVER_START_REQ(set_console_output_info)
1048     {
1049         req->handle         = hcon;
1050         req->cursor_x       = pos.X;
1051         req->cursor_y       = pos.Y;
1052         req->mask           = SET_CONSOLE_OUTPUT_INFO_CURSOR_POS;
1053         ret = !wine_server_call_err( req );
1054     }
1055     SERVER_END_REQ;
1056
1057     if (!ret || !GetConsoleScreenBufferInfo(hcon, &csbi))
1058         return FALSE;
1059
1060     /* if cursor is no longer visible, scroll the visible window... */
1061     w = csbi.srWindow.Right - csbi.srWindow.Left + 1;
1062     h = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
1063     if (pos.X < csbi.srWindow.Left)
1064     {
1065         csbi.srWindow.Left   = min(pos.X, csbi.dwSize.X - w);
1066         do_move++;
1067     }
1068     else if (pos.X > csbi.srWindow.Right)
1069     {
1070         csbi.srWindow.Left   = max(pos.X, w) - w + 1;
1071         do_move++;
1072     }
1073     csbi.srWindow.Right  = csbi.srWindow.Left + w - 1;
1074
1075     if (pos.Y < csbi.srWindow.Top)
1076     {
1077         csbi.srWindow.Top    = min(pos.Y, csbi.dwSize.Y - h);
1078         do_move++;
1079     }
1080     else if (pos.Y > csbi.srWindow.Bottom)
1081     {
1082         csbi.srWindow.Top   = max(pos.Y, h) - h + 1;
1083         do_move++;
1084     }
1085     csbi.srWindow.Bottom = csbi.srWindow.Top + h - 1;
1086
1087     ret = (do_move) ? SetConsoleWindowInfo(hcon, TRUE, &csbi.srWindow) : TRUE;
1088
1089     return ret;
1090 }
1091
1092 /******************************************************************************
1093  * GetConsoleCursorInfo [KERNEL32.@]  Gets size and visibility of console
1094  *
1095  * PARAMS
1096  *    hcon  [I] Handle to console screen buffer
1097  *    cinfo [O] Address of cursor information
1098  *
1099  * RETURNS
1100  *    Success: TRUE
1101  *    Failure: FALSE
1102  */
1103 BOOL WINAPI GetConsoleCursorInfo(HANDLE hcon, LPCONSOLE_CURSOR_INFO cinfo)
1104 {
1105     BOOL ret;
1106
1107     SERVER_START_REQ(get_console_output_info)
1108     {
1109         req->handle = hcon;
1110         ret = !wine_server_call_err( req );
1111         if (ret && cinfo)
1112         {
1113             cinfo->dwSize = reply->cursor_size;
1114             cinfo->bVisible = reply->cursor_visible;
1115         }
1116     }
1117     SERVER_END_REQ;
1118     return ret;
1119 }
1120
1121
1122 /******************************************************************************
1123  * SetConsoleCursorInfo [KERNEL32.@]  Sets size and visibility of cursor
1124  *
1125  * PARAMS
1126  *      hcon    [I] Handle to console screen buffer
1127  *      cinfo   [I] Address of cursor information
1128  * RETURNS
1129  *    Success: TRUE
1130  *    Failure: FALSE
1131  */
1132 BOOL WINAPI SetConsoleCursorInfo(HANDLE hCon, LPCONSOLE_CURSOR_INFO cinfo)
1133 {
1134     BOOL ret;
1135
1136     SERVER_START_REQ(set_console_output_info)
1137     {
1138         req->handle         = hCon;
1139         req->cursor_size    = cinfo->dwSize;
1140         req->cursor_visible = cinfo->bVisible;
1141         req->mask           = SET_CONSOLE_OUTPUT_INFO_CURSOR_GEOM;
1142         ret = !wine_server_call_err( req );
1143     }
1144     SERVER_END_REQ;
1145     return ret;
1146 }
1147
1148
1149 /******************************************************************************
1150  * SetConsoleWindowInfo [KERNEL32.@]  Sets size and position of console
1151  *
1152  * PARAMS
1153  *      hcon            [I] Handle to console screen buffer
1154  *      bAbsolute       [I] Coordinate type flag
1155  *      window          [I] Address of new window rectangle
1156  * RETURNS
1157  *    Success: TRUE
1158  *    Failure: FALSE
1159  */
1160 BOOL WINAPI SetConsoleWindowInfo(HANDLE hCon, BOOL bAbsolute, LPSMALL_RECT window)
1161 {
1162     SMALL_RECT  p = *window;
1163     BOOL        ret;
1164
1165     if (!bAbsolute)
1166     {
1167         CONSOLE_SCREEN_BUFFER_INFO      csbi;
1168         if (!GetConsoleScreenBufferInfo(hCon, &csbi))
1169             return FALSE;
1170         p.Left   += csbi.srWindow.Left;
1171         p.Top    += csbi.srWindow.Top;
1172         p.Right  += csbi.srWindow.Left;
1173         p.Bottom += csbi.srWindow.Top;
1174     }
1175     SERVER_START_REQ(set_console_output_info)
1176     {
1177         req->handle         = hCon;
1178         req->win_left       = p.Left;
1179         req->win_top        = p.Top;
1180         req->win_right      = p.Right;
1181         req->win_bottom     = p.Bottom;
1182         req->mask           = SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW;
1183         ret = !wine_server_call_err( req );
1184     }
1185     SERVER_END_REQ;
1186
1187     return ret;
1188 }
1189
1190
1191 /******************************************************************************
1192  * SetConsoleTextAttribute [KERNEL32.@]  Sets colors for text
1193  *
1194  * Sets the foreground and background color attributes of characters
1195  * written to the screen buffer.
1196  *
1197  * RETURNS
1198  *    Success: TRUE
1199  *    Failure: FALSE
1200  */
1201 BOOL WINAPI SetConsoleTextAttribute(HANDLE hConsoleOutput, WORD wAttr)
1202 {
1203     BOOL ret;
1204
1205     SERVER_START_REQ(set_console_output_info)
1206     {
1207         req->handle = hConsoleOutput;
1208         req->attr   = wAttr;
1209         req->mask   = SET_CONSOLE_OUTPUT_INFO_ATTR;
1210         ret = !wine_server_call_err( req );
1211     }
1212     SERVER_END_REQ;
1213     return ret;
1214 }
1215
1216
1217 /******************************************************************************
1218  * SetConsoleScreenBufferSize [KERNEL32.@]  Changes size of console
1219  *
1220  * PARAMS
1221  *    hConsoleOutput [I] Handle to console screen buffer
1222  *    dwSize         [I] New size in character rows and cols
1223  *
1224  * RETURNS
1225  *    Success: TRUE
1226  *    Failure: FALSE
1227  */
1228 BOOL WINAPI SetConsoleScreenBufferSize(HANDLE hConsoleOutput, COORD dwSize)
1229 {
1230     BOOL ret;
1231
1232     SERVER_START_REQ(set_console_output_info)
1233     {
1234         req->handle = hConsoleOutput;
1235         req->width  = dwSize.X;
1236         req->height = dwSize.Y;
1237         req->mask   = SET_CONSOLE_OUTPUT_INFO_SIZE;
1238         ret = !wine_server_call_err( req );
1239     }
1240     SERVER_END_REQ;
1241     return ret;
1242 }
1243
1244
1245 /******************************************************************************
1246  * ScrollConsoleScreenBufferA [KERNEL32.@]
1247  *
1248  */
1249 BOOL WINAPI ScrollConsoleScreenBufferA(HANDLE hConsoleOutput, LPSMALL_RECT lpScrollRect,
1250                                        LPSMALL_RECT lpClipRect, COORD dwDestOrigin,
1251                                        LPCHAR_INFO lpFill)
1252 {
1253     CHAR_INFO   ciw;
1254
1255     ciw.Attributes = lpFill->Attributes;
1256     MultiByteToWideChar(CP_ACP, 0, &lpFill->Char.AsciiChar, 1, &ciw.Char.UnicodeChar, 1);
1257
1258     return ScrollConsoleScreenBufferW(hConsoleOutput, lpScrollRect, lpClipRect,
1259                                       dwDestOrigin, &ciw);
1260 }
1261
1262 /******************************************************************
1263  *              fill_line_uniform
1264  *
1265  * Helper function for ScrollConsoleScreenBufferW
1266  * Fills a part of a line with a constant character info
1267  */
1268 static void fill_line_uniform(HANDLE hConsoleOutput, int i, int j, int len, LPCHAR_INFO lpFill)
1269 {
1270     SERVER_START_REQ( fill_console_output )
1271     {
1272         req->handle    = hConsoleOutput;
1273         req->mode      = CHAR_INFO_MODE_TEXTATTR;
1274         req->x         = i;
1275         req->y         = j;
1276         req->count     = len;
1277         req->wrap      = FALSE;
1278         req->data.ch   = lpFill->Char.UnicodeChar;
1279         req->data.attr = lpFill->Attributes;
1280         wine_server_call_err( req );
1281     }
1282     SERVER_END_REQ;
1283 }
1284
1285 /******************************************************************************
1286  * ScrollConsoleScreenBufferW [KERNEL32.@]
1287  *
1288  */
1289
1290 BOOL WINAPI ScrollConsoleScreenBufferW(HANDLE hConsoleOutput, LPSMALL_RECT lpScrollRect,
1291                                        LPSMALL_RECT lpClipRect, COORD dwDestOrigin,
1292                                        LPCHAR_INFO lpFill)
1293 {
1294     SMALL_RECT                  dst;
1295     DWORD                       ret;
1296     int                         i, j;
1297     int                         start = -1;
1298     SMALL_RECT                  clip;
1299     CONSOLE_SCREEN_BUFFER_INFO  csbi;
1300     BOOL                        inside;
1301
1302     if (lpClipRect)
1303         TRACE("(%d,(%d,%d-%d,%d),(%d,%d-%d,%d),%d-%d,%p)\n", hConsoleOutput,
1304               lpScrollRect->Left, lpScrollRect->Top,
1305               lpScrollRect->Right, lpScrollRect->Bottom,
1306               lpClipRect->Left, lpClipRect->Top,
1307               lpClipRect->Right, lpClipRect->Bottom,
1308               dwDestOrigin.X, dwDestOrigin.Y, lpFill);
1309     else
1310         TRACE("(%d,(%d,%d-%d,%d),(nil),%d-%d,%p)\n", hConsoleOutput,
1311               lpScrollRect->Left, lpScrollRect->Top,
1312               lpScrollRect->Right, lpScrollRect->Bottom,
1313               dwDestOrigin.X, dwDestOrigin.Y, lpFill);
1314
1315     if (!GetConsoleScreenBufferInfo(hConsoleOutput, &csbi))
1316         return FALSE;
1317
1318     /* step 1: get dst rect */
1319     dst.Left = dwDestOrigin.X;
1320     dst.Top = dwDestOrigin.Y;
1321     dst.Right = dst.Left + (lpScrollRect->Right - lpScrollRect->Left);
1322     dst.Bottom = dst.Top + (lpScrollRect->Bottom - lpScrollRect->Top);
1323
1324     /* step 2a: compute the final clip rect (optional passed clip and screen buffer limits */
1325     if (lpClipRect)
1326     {
1327         clip.Left   = max(0, lpClipRect->Left);
1328         clip.Right  = min(csbi.dwSize.X - 1, lpClipRect->Right);
1329         clip.Top    = max(0, lpClipRect->Top);
1330         clip.Bottom = min(csbi.dwSize.Y - 1, lpClipRect->Bottom);
1331     }
1332     else
1333     {
1334         clip.Left   = 0;
1335         clip.Right  = csbi.dwSize.X - 1;
1336         clip.Top    = 0;
1337         clip.Bottom = csbi.dwSize.Y - 1;
1338     }
1339     if (clip.Left > clip.Right || clip.Top > clip.Bottom) return FALSE;
1340
1341     /* step 2b: clip dst rect */
1342     if (dst.Left   < clip.Left  ) dst.Left   = clip.Left;
1343     if (dst.Top    < clip.Top   ) dst.Top    = clip.Top;
1344     if (dst.Right  > clip.Right ) dst.Right  = clip.Right;
1345     if (dst.Bottom > clip.Bottom) dst.Bottom = clip.Bottom;
1346
1347     /* step 3: transfer the bits */
1348     SERVER_START_REQ(move_console_output)
1349     {
1350         req->handle = hConsoleOutput;
1351         req->x_src = lpScrollRect->Left;
1352         req->y_src = lpScrollRect->Top;
1353         req->x_dst = dst.Left;
1354         req->y_dst = dst.Top;
1355         req->w = dst.Right - dst.Left + 1;
1356         req->h = dst.Bottom - dst.Top + 1;
1357         ret = !wine_server_call_err( req );
1358     }
1359     SERVER_END_REQ;
1360
1361     if (!ret) return FALSE;
1362
1363     /* step 4: clean out the exposed part */
1364
1365     /* have to write celll [i,j] if it is not in dst rect (because it has already
1366      * been written to by the scroll) and is in clip (we shall not write
1367      * outside of clip)
1368      */
1369     for (j = max(lpScrollRect->Top, clip.Top); j <= min(lpScrollRect->Bottom, clip.Bottom); j++)
1370     {
1371         inside = dst.Top <= j && j <= dst.Bottom;
1372         start = -1;
1373         for (i = max(lpScrollRect->Left, clip.Left); i <= min(lpScrollRect->Right, clip.Right); i++)
1374         {
1375             if (inside && dst.Left <= i && i <= dst.Right)
1376             {
1377                 if (start != -1)
1378                 {
1379                     fill_line_uniform(hConsoleOutput, start, j, i - start, lpFill);
1380                     start = -1;
1381                 }
1382             }
1383             else
1384             {
1385                 if (start == -1) start = i;
1386             }
1387         }
1388         if (start != -1)
1389             fill_line_uniform(hConsoleOutput, start, j, i - start, lpFill);
1390     }
1391
1392     return TRUE;
1393 }
1394
1395
1396 /* ====================================================================
1397  *
1398  * Console manipulation functions
1399  *
1400  * ====================================================================*/
1401 /* some missing functions...
1402  * FIXME: those are likely to be defined as undocumented function in kernel32 (or part of them)
1403  * should get the right API and implement them
1404  *      GetConsoleCommandHistory[AW] (dword dword dword)
1405  *      GetConsoleCommandHistoryLength[AW]
1406  *      SetConsoleCommandHistoryMode
1407  *      SetConsoleNumberOfCommands[AW]
1408  */
1409 int CONSOLE_GetHistory(int idx, WCHAR* buf, int buf_len)
1410 {
1411     int len = 0;
1412
1413     SERVER_START_REQ( get_console_input_history )
1414     {
1415         req->handle = 0;
1416         req->index = idx;
1417         if (buf && buf_len > 1)
1418         {
1419             wine_server_set_reply( req, buf, (buf_len - 1) * sizeof(WCHAR) );
1420         }
1421         if (!wine_server_call_err( req ))
1422         {
1423             if (buf) buf[wine_server_reply_size(reply) / sizeof(WCHAR)] = 0;
1424             len = reply->total / sizeof(WCHAR) + 1;
1425         }
1426     }
1427     SERVER_END_REQ;
1428     return len;
1429 }
1430
1431 /******************************************************************
1432  *              CONSOLE_AppendHistory
1433  *
1434  *
1435  */
1436 BOOL    CONSOLE_AppendHistory(const WCHAR* ptr)
1437 {
1438     size_t      len = strlenW(ptr);
1439     BOOL        ret;
1440
1441     while (len && (ptr[len - 1] == '\n' || ptr[len - 1] == '\r')) len--;
1442
1443     SERVER_START_REQ( append_console_input_history )
1444     {
1445         req->handle = 0;
1446         wine_server_add_data( req, ptr, len * sizeof(WCHAR) );
1447         ret = !wine_server_call_err( req );
1448     }
1449     SERVER_END_REQ;
1450     return ret;
1451 }
1452
1453 /******************************************************************
1454  *              CONSOLE_GetNumHistoryEntries
1455  *
1456  *
1457  */
1458 unsigned CONSOLE_GetNumHistoryEntries(void)
1459 {
1460     unsigned ret = 0;
1461     SERVER_START_REQ(get_console_input_info)
1462     {
1463         req->handle = 0;
1464         if (!wine_server_call_err( req )) ret = reply->history_index;
1465     }
1466     SERVER_END_REQ;
1467     return ret;
1468 }
1469