programs/wineconsole/wineconsole.c

   1 /*
   2  * an application for displaying Win32 console
   3  *
   4  * Copyright 2001, 2002 Eric Pouech
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdio.h>
  25 #include <stdarg.h>
  26 #include "wine/server.h"
  27 #include "winecon_private.h"
  28 #include "winnls.h"
  29 #include "winuser.h"
  30
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(wineconsole);
  34
  35 void WINECON_Fatal(const char* msg)
  36 {
  37     WINE_ERR("%s\n", msg);
  38     ExitProcess(0);
  39 }
  40
  41 static void printf_res(UINT uResId, ...)
  42 {
  43     WCHAR buffer[1024];
  44     CHAR ansi[1024];
  45     va_list args;
  46
  47     va_start(args, uResId);
  48     LoadStringW(GetModuleHandle(NULL), uResId, buffer, sizeof(buffer)/sizeof(WCHAR));
  49     WideCharToMultiByte(CP_UNIXCP, 0, buffer, -1, ansi, sizeof(ansi), NULL, NULL);
  50     vprintf(ansi, args);
  51     va_end(args);
  52 }
  53
  54 static void WINECON_Usage()
  55 {
  56     printf_res(IDS_USAGE_HEADER);
  57     printf_res(IDS_USAGE_BACKEND);
  58     printf_res(IDS_USAGE_COMMAND);
  59     printf_res(IDS_USAGE_FOOTER);
  60 }
  61
  62 /******************************************************************
  63  *              WINECON_FetchCells
  64  *
  65  * updates the local copy of cells (band to update)
  66  */
  67 void WINECON_FetchCells(struct inner_data* data, int upd_tp, int upd_bm)
  68 {
  69     SERVER_START_REQ( read_console_output )
  70     {
  71         req->handle = data->hConOut;
  72         req->x      = 0;
  73         req->y      = upd_tp;
  74         req->mode   = CHAR_INFO_MODE_TEXTATTR;
  75         req->wrap   = TRUE;
  76         wine_server_set_reply( req, &data->cells[upd_tp * data->curcfg.sb_width],
  77                                (upd_bm-upd_tp+1) * data->curcfg.sb_width * sizeof(CHAR_INFO) );
  78         wine_server_call( req );
  79     }
  80     SERVER_END_REQ;
  81     data->fnRefresh(data, upd_tp, upd_bm);
  82 }
  83
  84 /******************************************************************
  85  *              WINECON_NotifyWindowChange
  86  *
  87  * Inform server that visible window on sb has changed
  88  */
  89 void WINECON_NotifyWindowChange(struct inner_data* data)
  90 {
  91     SERVER_START_REQ( set_console_output_info )
  92     {
  93         req->handle       = data->hConOut;
  94         req->win_left     = data->curcfg.win_pos.X;
  95         req->win_top      = data->curcfg.win_pos.Y;
  96         req->win_right    = data->curcfg.win_pos.X + data->curcfg.win_width - 1;
  97         req->win_bottom   = data->curcfg.win_pos.Y + data->curcfg.win_height - 1;
  98         req->mask         = SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW;
  99         wine_server_call( req );
 100     }
 101     SERVER_END_REQ;
 102 }
 103
 104 /******************************************************************
 105  *              WINECON_GetHistorySize
 106  *
 107  *
 108  */
 109 int     WINECON_GetHistorySize(HANDLE hConIn)
 110 {
 111     int ret = 0;
 112
 113     SERVER_START_REQ(get_console_input_info)
 114     {
 115         req->handle = hConIn;
 116         if (!wine_server_call_err( req )) ret = reply->history_size;
 117     }
 118     SERVER_END_REQ;
 119     return ret;
 120 }
 121
 122 /******************************************************************
 123  *              WINECON_SetHistorySize
 124  *
 125  *
 126  */
 127 BOOL    WINECON_SetHistorySize(HANDLE hConIn, int size)
 128 {
 129     BOOL        ret;
 130
 131     SERVER_START_REQ(set_console_input_info)
 132     {
 133         req->handle = hConIn;
 134         req->mask = SET_CONSOLE_INPUT_INFO_HISTORY_SIZE;
 135         req->history_size = size;
 136         ret = !wine_server_call_err( req );
 137     }
 138     SERVER_END_REQ;
 139     return ret;
 140 }
 141
 142
 143 /******************************************************************
 144  *              WINECON_GetHistoryMode
 145  *
 146  *
 147  */
 148 int     WINECON_GetHistoryMode(HANDLE hConIn)
 149 {
 150     int ret = 0;
 151
 152     SERVER_START_REQ(get_console_input_info)
 153     {
 154         req->handle = hConIn;
 155         if (!wine_server_call_err( req )) ret = reply->history_mode;
 156     }
 157     SERVER_END_REQ;
 158     return ret;
 159 }
 160
 161 /******************************************************************
 162  *              WINECON_SetHistoryMode
 163  *
 164  *
 165  */
 166 BOOL    WINECON_SetHistoryMode(HANDLE hConIn, int mode)
 167 {
 168     BOOL        ret;
 169
 170     SERVER_START_REQ(set_console_input_info)
 171     {
 172         req->handle = hConIn;
 173         req->mask = SET_CONSOLE_INPUT_INFO_HISTORY_MODE;
 174         req->history_mode = mode;
 175         ret = !wine_server_call_err( req );
 176     }
 177     SERVER_END_REQ;
 178     return ret;
 179 }
 180
 181 /******************************************************************
 182  *              WINECON_GetConsoleTitle
 183  *
 184  *
 185  */
 186 BOOL WINECON_GetConsoleTitle(HANDLE hConIn, WCHAR* buffer, size_t len)
 187 {
 188     BOOL ret;
 189
 190     if (len < sizeof(WCHAR)) return FALSE;
 191
 192     SERVER_START_REQ( get_console_input_info )
 193     {
 194         req->handle = hConIn;
 195         wine_server_set_reply( req, buffer, len - sizeof(WCHAR) );
 196         if ((ret = !wine_server_call_err( req )))
 197         {
 198             len = wine_server_reply_size( reply );
 199             buffer[len / sizeof(WCHAR)] = 0;
 200         }
 201     }
 202     SERVER_END_REQ;
 203     return ret;
 204 }
 205
 206 /******************************************************************
 207  *              WINECON_SetEditionMode
 208  *
 209  *
 210  */
 211 static BOOL WINECON_SetEditionMode(HANDLE hConIn, int edition_mode)
 212 {
 213     BOOL ret;
 214
 215     SERVER_START_REQ( set_console_input_info )
 216     {
 217         req->handle = hConIn;
 218         req->mask = SET_CONSOLE_INPUT_INFO_EDITION_MODE;
 219         req->edition_mode = edition_mode;
 220         ret = !wine_server_call_err( req );
 221     }
 222     SERVER_END_REQ;
 223     return ret;
 224 }
 225
 226 /******************************************************************
 227  *              WINECON_GrabChanges
 228  *
 229  * A change occurs, try to figure out which
 230  */
 231 int     WINECON_GrabChanges(struct inner_data* data)
 232 {
 233     struct console_renderer_event       evts[256];
 234     int i, num, ev_found;
 235     HANDLE h;
 236
 237     SERVER_START_REQ( get_console_renderer_events )
 238     {
 239         wine_server_set_reply( req, evts, sizeof(evts) );
 240         req->handle = data->hSynchro;
 241         if (!wine_server_call_err( req )) num = wine_server_reply_size(reply) / sizeof(evts[0]);
 242         else num = 0;
 243     }
 244     SERVER_END_REQ;
 245     if (!num) {WINE_WARN("hmm renderer signaled but no events available\n"); return 1;}
 246
 247     /* FIXME: should do some event compression here (cursor pos, update) */
 248     /* step 1: keep only last cursor pos event */
 249     ev_found = -1;
 250     for (i = num - 1; i >= 0; i--)
 251     {
 252         if (evts[i].event == CONSOLE_RENDERER_CURSOR_POS_EVENT)
 253         {
 254             if (ev_found != -1)
 255                 evts[i].event = CONSOLE_RENDERER_NONE_EVENT;
 256             ev_found = i;
 257         }
 258     }
 259     /* step 2: manage update events */
 260     ev_found = -1;
 261     for (i = 0; i < num; i++)
 262     {
 263         if (evts[i].event == CONSOLE_RENDERER_NONE_EVENT ||
 264             evts[i].event == CONSOLE_RENDERER_CURSOR_POS_EVENT ||
 265             evts[i].event == CONSOLE_RENDERER_CURSOR_GEOM_EVENT) continue;
 266         if (evts[i].event != CONSOLE_RENDERER_UPDATE_EVENT)
 267         {
 268             ev_found = -1;
 269             continue;
 270         }
 271
 272         if (ev_found != -1 &&  /* Only 2 cases where they CANNOT merge */
 273             !(evts[i       ].u.update.bottom + 1 < evts[ev_found].u.update.top ||
 274               evts[ev_found].u.update.bottom + 1 < evts[i       ].u.update.top))
 275         {
 276             evts[i].u.update.top    = min(evts[i       ].u.update.top,
 277                                           evts[ev_found].u.update.top);
 278             evts[i].u.update.bottom = max(evts[i       ].u.update.bottom,
 279                                           evts[ev_found].u.update.bottom);
 280             evts[ev_found].event = CONSOLE_RENDERER_NONE_EVENT;
 281         }
 282         ev_found = i;
 283     }
 284
 285     WINE_TRACE("Events:");
 286     for (i = 0; i < num; i++)
 287     {
 288         switch (evts[i].event)
 289         {
 290         case CONSOLE_RENDERER_NONE_EVENT:
 291             WINE_TRACE(" NOP");
 292             break;
 293         case CONSOLE_RENDERER_TITLE_EVENT:
 294             WINE_TRACE(" title()");
 295             data->fnSetTitle(data);
 296             break;
 297         case CONSOLE_RENDERER_ACTIVE_SB_EVENT:
 298             SERVER_START_REQ( open_console )
 299             {
 300                 req->from       = data->hConIn;
 301                 req->access     = GENERIC_READ | GENERIC_WRITE;
 302                 req->attributes = 0;
 303                 req->share      = FILE_SHARE_READ | FILE_SHARE_WRITE;
 304                 h = wine_server_call_err( req ) ? 0 : (HANDLE)reply->handle;
 305             }
 306             SERVER_END_REQ;
 307             WINE_TRACE(" active(%d)", (int)h);
 308             if (h)
 309             {
 310                 CloseHandle(data->hConOut);
 311                 data->hConOut = h;
 312             }
 313             break;
 314         case CONSOLE_RENDERER_SB_RESIZE_EVENT:
 315             if (data->curcfg.sb_width != evts[i].u.resize.width ||
 316                 data->curcfg.sb_height != evts[i].u.resize.height)
 317             {
 318                 WINE_TRACE(" resize(%d,%d)", evts[i].u.resize.width, evts[i].u.resize.height);
 319                 data->curcfg.sb_width  = evts[i].u.resize.width;
 320                 data->curcfg.sb_height = evts[i].u.resize.height;
 321
 322                 data->cells = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, data->cells,
 323                                           data->curcfg.sb_width * data->curcfg.sb_height * sizeof(CHAR_INFO));
 324
 325                 if (!data->cells) WINECON_Fatal("OOM\n");
 326                 data->fnResizeScreenBuffer(data);
 327                 data->fnComputePositions(data);
 328             }
 329             break;
 330         case CONSOLE_RENDERER_UPDATE_EVENT:
 331             WINE_TRACE(" update(%d,%d)", evts[i].u.update.top, evts[i].u.update.bottom);
 332             WINECON_FetchCells(data, evts[i].u.update.top, evts[i].u.update.bottom);
 333             break;
 334         case CONSOLE_RENDERER_CURSOR_POS_EVENT:
 335             if (evts[i].u.cursor_pos.x != data->cursor.X || evts[i].u.cursor_pos.y != data->cursor.Y)
 336             {
 337                 WINE_TRACE(" curs-pos(%d,%d)",evts[i].u.cursor_pos.x, evts[i].u.cursor_pos.y);
 338                 data->cursor.X = evts[i].u.cursor_pos.x;
 339                 data->cursor.Y = evts[i].u.cursor_pos.y;
 340                 data->fnPosCursor(data);
 341             }
 342             break;
 343         case CONSOLE_RENDERER_CURSOR_GEOM_EVENT:
 344             if (evts[i].u.cursor_geom.size != data->curcfg.cursor_size ||
 345                 evts[i].u.cursor_geom.visible != data->curcfg.cursor_visible)
 346             {
 347                 WINE_TRACE(" curs-geom(%d,%d)",
 348                            evts[i].u.cursor_geom.size, evts[i].u.cursor_geom.visible);
 349                 data->fnShapeCursor(data, evts[i].u.cursor_geom.size,
 350                                     evts[i].u.cursor_geom.visible, FALSE);
 351             }
 352             break;
 353         case CONSOLE_RENDERER_DISPLAY_EVENT:
 354             if (evts[i].u.display.left != data->curcfg.win_pos.X)
 355             {
 356                 WINE_TRACE(" h-scroll(%d)", evts[i].u.display.left);
 357                 data->fnScroll(data, evts[i].u.display.left, TRUE);
 358                 data->fnPosCursor(data);
 359             }
 360             if (evts[i].u.display.top != data->curcfg.win_pos.Y)
 361             {
 362                 WINE_TRACE(" v-scroll(%d)", evts[i].u.display.top);
 363                 data->fnScroll(data, evts[i].u.display.top, FALSE);
 364                 data->fnPosCursor(data);
 365             }
 366             if (evts[i].u.display.width != data->curcfg.win_width ||
 367                 evts[i].u.display.height != data->curcfg.win_height)
 368             {
 369                 WINE_TRACE(" win-size(%d,%d)", evts[i].u.display.width, evts[i].u.display.height);
 370                 data->curcfg.win_width = evts[i].u.display.width;
 371                 data->curcfg.win_height = evts[i].u.display.height;
 372                 data->fnComputePositions(data);
 373             }
 374             break;
 375         case CONSOLE_RENDERER_EXIT_EVENT:
 376             WINE_TRACE(". Exit!!\n");
 377             return 0;
 378         default:
 379             WINE_FIXME("Unknown event type (%d)\n", evts[i].event);
 380         }
 381     }
 382
 383     WINE_TRACE(".\n");
 384     return 1;
 385 }
 386
 387 /******************************************************************
 388  *              WINECON_SetConfig
 389  *
 390  * Apply to data all the configuration elements from cfg. This includes modification
 391  * of server side equivalent and visual parts.
 392  * If force is FALSE, only the changed items are modified.
 393  */
 394 void     WINECON_SetConfig(struct inner_data* data, const struct config_data* cfg)
 395 {
 396     if (data->curcfg.cursor_size != cfg->cursor_size ||
 397         data->curcfg.cursor_visible != cfg->cursor_visible)
 398     {
 399         CONSOLE_CURSOR_INFO cinfo;
 400         cinfo.dwSize = cfg->cursor_size;
 401         /* <FIXME>: this hack is needed to pass thru the invariant test operation on server side
 402          * (no notification is sent when invariant operation is requested
 403          */
 404         cinfo.bVisible = !cfg->cursor_visible;
 405         SetConsoleCursorInfo(data->hConOut, &cinfo);
 406         /* </FIXME> */
 407         cinfo.bVisible = cfg->cursor_visible;
 408         /* this shall update (through notif) curcfg */
 409         SetConsoleCursorInfo(data->hConOut, &cinfo);
 410     }
 411     if (data->curcfg.history_size != cfg->history_size)
 412     {
 413         data->curcfg.history_size = cfg->history_size;
 414         WINECON_SetHistorySize(data->hConIn, cfg->history_size);
 415     }
 416     if (data->curcfg.history_nodup != cfg->history_nodup)
 417     {
 418         data->curcfg.history_nodup = cfg->history_nodup;
 419         WINECON_SetHistoryMode(data->hConIn, cfg->history_nodup);
 420     }
 421     data->curcfg.menu_mask = cfg->menu_mask;
 422     data->curcfg.quick_edit = cfg->quick_edit;
 423     if (1 /* FIXME: font info has changed */)
 424     {
 425         data->fnSetFont(data, cfg->face_name, cfg->cell_height, cfg->font_weight);
 426     }
 427     if (data->curcfg.def_attr != cfg->def_attr)
 428     {
 429         data->curcfg.def_attr = cfg->def_attr;
 430         SetConsoleTextAttribute(data->hConOut, cfg->def_attr);
 431     }
 432     /* now let's look at the window / sb size changes...
 433      * since the server checks that sb is always bigger than window,
 434      * we have to take care of doing the operations in the right order
 435      */
 436     /* a set of macros to make things easier to read
 437      * The Test<A><B> macros test if the <A> (width/height) needs to be changed
 438      * for <B> (window / ScreenBuffer)
 439      * The Change<A><B> actually modify the <B> dimension of <A>.
 440      */
 441 #define TstSBfWidth()   (data->curcfg.sb_width != cfg->sb_width)
 442 #define TstWinWidth()   (data->curcfg.win_width != cfg->win_width)
 443
 444 #define ChgSBfWidth()   do {c.X = cfg->sb_width; \
 445                             c.Y = data->curcfg.sb_height;\
 446                             SetConsoleScreenBufferSize(data->hConOut, c);\
 447                         } while (0)
 448 #define ChgWinWidth()   do {pos.Left = pos.Top = 0; \
 449                             pos.Right = cfg->win_width - data->curcfg.win_width; \
 450                             pos.Bottom = 0; \
 451                             SetConsoleWindowInfo(data->hConOut, FALSE, &pos);\
 452                         } while (0)
 453 #define TstSBfHeight()  (data->curcfg.sb_height != cfg->sb_height)
 454 #define TstWinHeight()  (data->curcfg.win_height != cfg->win_height)
 455
 456 /* since we're going to apply height after width is done, we use width as defined
 457  * in cfg, and not in data->curcfg because if won't be updated yet */
 458 #define ChgSBfHeight()  do {c.X = cfg->sb_width; c.Y = cfg->sb_height; \
 459                             SetConsoleScreenBufferSize(data->hConOut, c); \
 460                         } while (0)
 461 #define ChgWinHeight()  do {pos.Left = pos.Top = 0; \
 462                             pos.Right = 0; \
 463                             pos.Bottom = cfg->win_height - data->curcfg.win_height; \
 464                             SetConsoleWindowInfo(data->hConOut, FALSE, &pos);\
 465                         } while (0)
 466
 467     do
 468     {
 469         COORD       c;
 470         SMALL_RECT  pos;
 471
 472         if (TstSBfWidth())
 473         {
 474             if (TstWinWidth())
 475             {
 476                 /* we're changing both at the same time, do it in the right order */
 477                 if (cfg->sb_width >= data->curcfg.win_width)
 478                 {
 479                     ChgSBfWidth(); ChgWinWidth();
 480                 }
 481                 else
 482                 {
 483                     ChgWinWidth(); ChgSBfWidth();
 484                 }
 485             }
 486             else ChgSBfWidth();
 487         }
 488         else if (TstWinWidth()) ChgWinWidth();
 489         if (TstSBfHeight())
 490         {
 491             if (TstWinHeight())
 492             {
 493                 if (cfg->sb_height >= data->curcfg.win_height)
 494                 {
 495                     ChgSBfHeight(); ChgWinHeight();
 496                 }
 497                 else
 498                 {
 499                     ChgWinHeight(); ChgSBfHeight();
 500                 }
 501             }
 502             else ChgSBfHeight();
 503         }
 504         else if (TstWinHeight()) ChgWinHeight();
 505     } while (0);
 506 #undef TstSBfWidth
 507 #undef TstWinWidth
 508 #undef ChgSBfWidth
 509 #undef ChgWinWidth
 510 #undef TstSBfHeight
 511 #undef TstWinHeight
 512 #undef ChgSBfHeight
 513 #undef ChgWinHeight
 514
 515     data->curcfg.exit_on_die = cfg->exit_on_die;
 516     if (data->curcfg.edition_mode != cfg->edition_mode)
 517     {
 518         data->curcfg.edition_mode = cfg->edition_mode;
 519         WINECON_SetEditionMode(data->hConIn, cfg->edition_mode);
 520     }
 521     /* we now need to gather all events we got from the operations above,
 522      * in order to get data correctly updated
 523      */
 524     WINECON_GrabChanges(data);
 525 }
 526
 527 /******************************************************************
 528  *              WINECON_Delete
 529  *
 530  * Destroy wineconsole internal data
 531  */
 532 static void WINECON_Delete(struct inner_data* data)
 533 {
 534     if (!data) return;
 535
 536     if (data->fnDeleteBackend)  data->fnDeleteBackend(data);
 537     if (data->hConIn)           CloseHandle(data->hConIn);
 538     if (data->hConOut)          CloseHandle(data->hConOut);
 539     if (data->hSynchro)         CloseHandle(data->hSynchro);
 540     HeapFree(GetProcessHeap(), 0, data->cells);
 541     HeapFree(GetProcessHeap(), 0, data);
 542 }
 543
 544 /******************************************************************
 545  *              WINECON_GetServerConfig
 546  *
 547  * Fills data->curcfg with the actual configuration running in the server
 548  * (getting real information on the server, and not relying on cached
 549  * information in data)
 550  */
 551 static BOOL WINECON_GetServerConfig(struct inner_data* data)
 552 {
 553     BOOL        ret;
 554
 555     SERVER_START_REQ(get_console_input_info)
 556     {
 557         req->handle = data->hConIn;
 558         ret = !wine_server_call_err( req );
 559         data->curcfg.history_size = reply->history_size;
 560         data->curcfg.history_nodup = reply->history_mode;
 561         data->curcfg.edition_mode = reply->edition_mode;
 562     }
 563     SERVER_END_REQ;
 564     if (!ret) return FALSE;
 565     SERVER_START_REQ(get_console_output_info)
 566     {
 567         req->handle = data->hConOut;
 568         ret = !wine_server_call_err( req );
 569         data->curcfg.cursor_size = reply->cursor_size;
 570         data->curcfg.cursor_visible = reply->cursor_visible;
 571         data->curcfg.def_attr = reply->attr;
 572         data->curcfg.sb_width = reply->width;
 573         data->curcfg.sb_height = reply->height;
 574         data->curcfg.win_width = reply->win_right - reply->win_left + 1;
 575         data->curcfg.win_height = reply->win_bottom - reply->win_top + 1;
 576     }
 577     SERVER_END_REQ;
 578     WINECON_DumpConfig("first cfg: ", &data->curcfg);
 579
 580     return ret;
 581 }
 582
 583 /******************************************************************
 584  *              WINECON_Init
 585  *
 586  * Initialisation part I. Creation of server object (console input and
 587  * active screen buffer)
 588  */
 589 static struct inner_data* WINECON_Init(HINSTANCE hInst, DWORD pid, LPCWSTR appname,
 590                                        enum init_return (*backend)(struct inner_data*),
 591                                        INT nCmdShow)
 592 {
 593     struct inner_data*  data = NULL;
 594     DWORD               ret;
 595     struct config_data  cfg;
 596     STARTUPINFOW        si;
 597
 598     data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data));
 599     if (!data) return 0;
 600
 601     GetStartupInfo(&si);
 602
 603     if (pid == 0)
 604     {
 605         if (!si.lpTitle) WINECON_Fatal("Should have a title set");
 606         appname = si.lpTitle;
 607     }
 608
 609     data->nCmdShow = nCmdShow;
 610     /* load settings */
 611     WINECON_RegLoad(appname, &cfg);
 612
 613     /* some overrides */
 614     if (pid == 0)
 615     {
 616         if (si.dwFlags & STARTF_USECOUNTCHARS)
 617         {
 618             cfg.sb_width  = si.dwXCountChars;
 619             cfg.sb_height = si.dwYCountChars;
 620         }
 621         if (si.dwFlags & STARTF_USEFILLATTRIBUTE)
 622             cfg.def_attr = si.dwFillAttribute;
 623         /* should always be defined */
 624     }
 625
 626     /* the handles here are created without the whistles and bells required by console
 627      * (mainly because wineconsole doesn't need it)
 628      * - they are not inheritable
 629      * - hConIn is not synchronizable
 630      */
 631     SERVER_START_REQ(alloc_console)
 632     {
 633         req->access     = GENERIC_READ | GENERIC_WRITE;
 634         req->attributes = 0;
 635         req->pid        = pid;
 636
 637         ret = !wine_server_call_err( req );
 638         data->hConIn = (HANDLE)reply->handle_in;
 639         data->hSynchro = (HANDLE)reply->event;
 640     }
 641     SERVER_END_REQ;
 642     if (!ret) goto error;
 643     WINE_TRACE("using hConIn %p, hSynchro event %p\n", data->hConIn, data->hSynchro);
 644
 645     SERVER_START_REQ( set_console_input_info )
 646     {
 647         req->handle = data->hConIn;
 648         req->mask = SET_CONSOLE_INPUT_INFO_TITLE;
 649         wine_server_add_data( req, appname, lstrlenW(appname) * sizeof(WCHAR) );
 650         ret = !wine_server_call_err( req );
 651     }
 652     SERVER_END_REQ;
 653     if (!ret) goto error;
 654
 655     SERVER_START_REQ(create_console_output)
 656     {
 657         req->handle_in  = data->hConIn;
 658         req->access     = GENERIC_WRITE|GENERIC_READ;
 659         req->attributes = 0;
 660         req->share      = FILE_SHARE_READ|FILE_SHARE_WRITE;
 661         ret = !wine_server_call_err( req );
 662         data->hConOut  = (HANDLE)reply->handle_out;
 663     }
 664     SERVER_END_REQ;
 665     if (!ret) goto error;
 666     WINE_TRACE("using hConOut %p\n", data->hConOut);
 667
 668     /* filling data->curcfg from cfg */
 669  retry:
 670     switch ((*backend)(data))
 671     {
 672     case init_success:
 673         WINECON_GetServerConfig(data);
 674         data->cells = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 675                                 data->curcfg.sb_width * data->curcfg.sb_height * sizeof(CHAR_INFO));
 676         if (!data->cells) WINECON_Fatal("OOM\n");
 677         data->fnResizeScreenBuffer(data);
 678         data->fnComputePositions(data);
 679         WINECON_SetConfig(data, &cfg);
 680         data->curcfg.registry = cfg.registry;
 681         WINECON_DumpConfig("fint", &data->curcfg);
 682         return data;
 683     case init_failed:
 684         break;
 685     case init_not_supported:
 686         if (backend == WCCURSES_InitBackend)
 687         {
 688             WINE_ERR("(n)curses was not found at configuration time.\n"
 689                      "If you want (n)curses support, please install relevant packages.\n"
 690                      "Now forcing user backend instead of (n)curses.\n");
 691             backend = WCUSER_InitBackend;
 692             goto retry;
 693         }
 694         break;
 695     }
 696
 697  error:
 698     WINE_ERR("failed to init.\n");
 699
 700     WINECON_Delete(data);
 701     return NULL;
 702 }
 703
 704 /******************************************************************
 705  *              WINECON_Spawn
 706  *
 707  * Spawn the child process when invoked with wineconsole foo bar
 708  */
 709 static BOOL WINECON_Spawn(struct inner_data* data, LPWSTR cmdLine)
 710 {
 711     PROCESS_INFORMATION info;
 712     STARTUPINFO         startup;
 713     BOOL                done;
 714
 715     /* we're in the case wineconsole <exe> <options>... spawn the new process */
 716     memset(&startup, 0, sizeof(startup));
 717     startup.cb          = sizeof(startup);
 718     startup.dwFlags     = STARTF_USESTDHANDLES;
 719
 720     /* the attributes of wineconsole's handles are not adequate for inheritance, so
 721      * get them with the correct attributes before process creation
 722      */
 723     if (!DuplicateHandle(GetCurrentProcess(), data->hConIn,  GetCurrentProcess(),
 724                          &startup.hStdInput, GENERIC_READ|GENERIC_WRITE|SYNCHRONIZE, TRUE, 0) ||
 725         !DuplicateHandle(GetCurrentProcess(), data->hConOut, GetCurrentProcess(),
 726                          &startup.hStdOutput, GENERIC_READ|GENERIC_WRITE, TRUE, 0) ||
 727         !DuplicateHandle(GetCurrentProcess(), data->hConOut, GetCurrentProcess(),
 728                          &startup.hStdError, GENERIC_READ|GENERIC_WRITE, TRUE, 0))
 729     {
 730         WINE_ERR("Can't dup handles\n");
 731         /* no need to delete handles, we're exiting the programm anyway */
 732         return FALSE;
 733     }
 734
 735     done = CreateProcess(NULL, cmdLine, NULL, NULL, TRUE, 0L, NULL, NULL, &startup, &info);
 736
 737     /* we no longer need the handles passed to the child for the console */
 738     CloseHandle(startup.hStdInput);
 739     CloseHandle(startup.hStdOutput);
 740     CloseHandle(startup.hStdError);
 741
 742     CloseHandle(info.hProcess);
 743     CloseHandle(info.hThread);
 744
 745     return done;
 746 }
 747
 748 struct wc_init {
 749     LPCSTR              ptr;
 750     enum {from_event, from_process_name} mode;
 751     enum init_return    (*backend)(struct inner_data*);
 752     HANDLE              event;
 753 };
 754
 755 #define WINECON_CMD_SHOW_USAGE 0x10000
 756
 757 /******************************************************************
 758  *               WINECON_ParseOptions
 759  *
 760  * RETURNS
 761  *   On success: 0
 762  *   On error:   error string id optionaly with the CMD_SHOW_USAGE flag
 763  */
 764 static UINT WINECON_ParseOptions(const char* lpCmdLine, struct wc_init* wci)
 765 {
 766     memset(wci, 0, sizeof(*wci));
 767     wci->ptr = lpCmdLine;
 768     wci->mode = from_process_name;
 769     wci->backend = WCCURSES_InitBackend;
 770
 771     for (;;)
 772     {
 773         while (*wci->ptr == ' ' || *wci->ptr == '\t') wci->ptr++;
 774         if (wci->ptr[0] != '-') break;
 775         if (strncmp(wci->ptr, "--use-event=", 12) == 0)
 776         {
 777             char*           end;
 778             wci->event = (HANDLE)strtol(wci->ptr + 12, &end, 10);
 779             if (end == wci->ptr + 12) return IDS_CMD_INVALID_EVENT_ID;
 780             wci->mode = from_event;
 781             wci->ptr = end;
 782             wci->backend = WCUSER_InitBackend;
 783         }
 784         else if (strncmp(wci->ptr, "--backend=", 10) == 0)
 785         {
 786             if (strncmp(wci->ptr + 10, "user", 4) == 0)
 787             {
 788                 wci->backend = WCUSER_InitBackend;
 789                 wci->ptr += 14;
 790             }
 791             else if (strncmp(wci->ptr + 10, "curses", 6) == 0)
 792             {
 793                 wci->ptr += 16;
 794             }
 795             else
 796                 return IDS_CMD_INVALID_BACKEND;
 797         }
 798         else
 799             return IDS_CMD_INVALID_OPTION|WINECON_CMD_SHOW_USAGE;
 800     }
 801
 802     if (wci->mode == from_event)
 803         return 0;
 804
 805     while (*wci->ptr == ' ' || *wci->ptr == '\t') wci->ptr++;
 806     if (*wci->ptr == 0)
 807         return IDS_CMD_ABOUT|WINECON_CMD_SHOW_USAGE;
 808
 809     return 0;
 810 }
 811
 812 /******************************************************************
 813  *              WinMain
 814  *
 815  * wineconsole can either be started as:
 816  *      wineconsole --use-event=<int>   used when a new console is created (AllocConsole)
 817  *      wineconsole <pgm> <arguments>   used to start the program <pgm> from the command line in
 818  *                                      a freshly created console
 819  * --backend=(curses|user) can also be used to select the desired backend
 820  */
 821 int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmdLine, INT nCmdShow)
 822 {
 823     struct inner_data*  data;
 824     int                 ret = 1;
 825     struct wc_init      wci;
 826
 827     if ((ret = WINECON_ParseOptions(lpCmdLine, &wci)) != 0)
 828     {
 829         printf_res(ret & 0xffff);
 830         if (ret & WINECON_CMD_SHOW_USAGE)
 831             WINECON_Usage();
 832         return 0;
 833     }
 834
 835     switch (wci.mode)
 836     {
 837     case from_event:
 838         /* case of wineconsole <evt>, signal process that created us that we're up and running */
 839         if (!(data = WINECON_Init(hInst, 0, NULL, wci.backend, nCmdShow))) return 0;
 840         ret = SetEvent(wci.event);
 841         if (!ret) WINE_ERR("SetEvent failed.\n");
 842         break;
 843     case from_process_name:
 844         {
 845             WCHAR           buffer[256];
 846
 847             MultiByteToWideChar(CP_ACP, 0, wci.ptr, -1, buffer, sizeof(buffer) / sizeof(buffer[0]));
 848
 849             if (!(data = WINECON_Init(hInst, GetCurrentProcessId(), buffer, wci.backend, nCmdShow)))
 850                 return 0;
 851             ret = WINECON_Spawn(data, buffer);
 852             if (!ret)
 853             {
 854                 WINECON_Delete(data);
 855                 printf_res(IDS_CMD_LAUNCH_FAILED, wine_dbgstr_a(wci.ptr));
 856                 return 0;
 857             }
 858         }
 859         break;
 860     default:
 861         return 0;
 862     }
 863
 864     if (ret)
 865     {
 866         WINE_TRACE("calling MainLoop.\n");
 867         ret = data->fnMainLoop(data);
 868     }
 869
 870     WINECON_Delete(data);
 871
 872     return ret;
 873 }