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