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

   1 /*
   2  * a GUI application for displaying a console
   3  *      (N)Curses back end
   4  *
   5  * Copyright 2002 Eric Pouech
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 /* Known issues & FIXME:
  23  * - not all key mapping functions have been written
  24  * - allow dyn loading of curses library (extreme care should be taken for
  25  *   functions which can be implemented as macros)
  26  * - finish buffer scrolling (mainly, need to decide of a nice way for
  27  *   requesting the UP/DOWN operations
  28  * - Resizing (unix) terminal does not change (Win32) console size.
  29  * - Initial console size comes from registry and not from terminal size.
  30  */
  31
  32 #include "config.h"
  33 #include "wine/port.h"
  34
  35 #include <stdio.h>
  36 #include <stdarg.h>
  37 #include <stdlib.h>
  38 #ifdef HAVE_CURSES_H
  39 #include <curses.h>
  40 #endif
  41 #ifdef HAVE_NCURSES_H
  42 #include <ncurses.h>
  43 #endif
  44 #undef KEY_EVENT  /* avoid redefinition warning */
  45 #ifdef HAVE_UNISTD_H
  46 #include <unistd.h>
  47 #endif
  48 #include <windef.h>
  49 #include <winbase.h>
  50 #include <winnls.h>
  51 #include "winecon_private.h"
  52
  53 #include "wine/library.h"
  54 #include "wine/server.h"
  55 #include "wine/debug.h"
  56
  57 WINE_DEFAULT_DEBUG_CHANNEL(curses);
  58
  59 #define PRIVATE(data)   ((struct inner_data_curse*)((data)->private))
  60
  61 #if defined(HAVE_CURSES_H) || defined(HAVE_NCURSES_H)
  62
  63 #ifdef HAVE_NCURSES_H
  64  #define CURSES_NAME "ncurses"
  65 #else
  66  #define CURSES_NAME "curses"
  67 #endif
  68
  69 struct inner_data_curse
  70 {
  71     mmask_t             initial_mouse_mask;
  72     HANDLE              hInput;
  73     WINDOW*             pad;
  74     chtype*             line;
  75     int                 allow_scroll;
  76 };
  77
  78
  79 static void *nc_handle = NULL;
  80
  81 #define MAKE_FUNCPTR(f) static typeof(f) * p_##f;
  82
  83 MAKE_FUNCPTR(curs_set)
  84 MAKE_FUNCPTR(delwin)
  85 MAKE_FUNCPTR(endwin)
  86 MAKE_FUNCPTR(getmouse)
  87 MAKE_FUNCPTR(has_colors)
  88 MAKE_FUNCPTR(init_pair)
  89 #ifndef initscr
  90 MAKE_FUNCPTR(initscr)
  91 #endif
  92 #ifndef intrflush
  93 MAKE_FUNCPTR(intrflush)
  94 #endif
  95 MAKE_FUNCPTR(keypad)
  96 MAKE_FUNCPTR(mouseinterval)
  97 MAKE_FUNCPTR(mousemask)
  98 MAKE_FUNCPTR(newpad)
  99 #ifndef nodelay
 100 MAKE_FUNCPTR(nodelay)
 101 #endif
 102 #ifndef noecho
 103 MAKE_FUNCPTR(noecho)
 104 #endif
 105 MAKE_FUNCPTR(prefresh)
 106 MAKE_FUNCPTR(raw)
 107 MAKE_FUNCPTR(start_color)
 108 MAKE_FUNCPTR(stdscr)
 109 MAKE_FUNCPTR(waddchnstr)
 110 MAKE_FUNCPTR(wmove)
 111 MAKE_FUNCPTR(wgetch)
 112
 113 #undef MAKE_FUNCPTR
 114
 115 /**********************************************************************/
 116
 117 static BOOL WCCURSES_bind_libcurses(void)
 118 {
 119 #ifdef HAVE_NCURSES_H
 120     static const char *ncname = SONAME_LIBNCURSES;
 121 #else
 122     static const char *ncname = SONAME_LIBCURSES;
 123 #endif
 124
 125     nc_handle = wine_dlopen(ncname, RTLD_NOW, NULL, 0);
 126     if(!nc_handle)
 127     {
 128         WINE_MESSAGE("Wine cannot find the " CURSES_NAME " library (%s).\n",
 129                      ncname);
 130         return FALSE;
 131     }
 132
 133 #define LOAD_FUNCPTR(f)                                      \
 134     if((p_##f = wine_dlsym(nc_handle, #f, NULL, 0)) == NULL) \
 135     {                                                        \
 136         WINE_WARN("Can't find symbol %s\n", #f);             \
 137         goto sym_not_found;                                  \
 138     }
 139
 140     LOAD_FUNCPTR(curs_set)
 141     LOAD_FUNCPTR(delwin)
 142     LOAD_FUNCPTR(endwin)
 143     LOAD_FUNCPTR(getmouse)
 144     LOAD_FUNCPTR(has_colors)
 145     LOAD_FUNCPTR(init_pair)
 146 #ifndef initscr
 147     LOAD_FUNCPTR(initscr)
 148 #endif
 149 #ifndef intrflush
 150     LOAD_FUNCPTR(intrflush)
 151 #endif
 152     LOAD_FUNCPTR(keypad)
 153     LOAD_FUNCPTR(mouseinterval)
 154     LOAD_FUNCPTR(mousemask)
 155     LOAD_FUNCPTR(newpad)
 156 #ifndef nodelay
 157     LOAD_FUNCPTR(nodelay)
 158 #endif
 159 #ifndef noecho
 160     LOAD_FUNCPTR(noecho)
 161 #endif
 162     LOAD_FUNCPTR(prefresh)
 163     LOAD_FUNCPTR(raw)
 164     LOAD_FUNCPTR(start_color)
 165     LOAD_FUNCPTR(stdscr)
 166     LOAD_FUNCPTR(waddchnstr)
 167     LOAD_FUNCPTR(wmove)
 168     LOAD_FUNCPTR(wgetch)
 169
 170 #undef LOAD_FUNCPTR
 171
 172     return TRUE;
 173
 174 sym_not_found:
 175     WINE_MESSAGE(
 176       "Wine cannot find certain functions that it needs inside the "
 177        CURSES_NAME "\nlibrary.  To enable Wine to use " CURSES_NAME
 178       " please upgrade your " CURSES_NAME "\nlibraries\n");
 179     wine_dlclose(nc_handle, NULL, 0);
 180     nc_handle = NULL;
 181     return FALSE;
 182 }
 183
 184 #define curs_set p_curs_set
 185 #define delwin p_delwin
 186 #define endwin p_endwin
 187 #define getmouse p_getmouse
 188 #define has_colors p_has_colors
 189 #define init_pair p_init_pair
 190 #ifndef initscr
 191 #define initscr p_initscr
 192 #endif
 193 #ifndef intrflush
 194 #define intrflush p_intrflush
 195 #endif
 196 #define keypad p_keypad
 197 #define mouseinterval p_mouseinterval
 198 #define mousemask p_mousemask
 199 #define newpad p_newpad
 200 #ifndef nodelay
 201 #define nodelay p_nodelay
 202 #endif
 203 #ifndef noecho
 204 #define noecho p_noecho
 205 #endif
 206 #define prefresh p_prefresh
 207 #define raw p_raw
 208 #define start_color p_start_color
 209 #define stdscr (*p_stdscr)
 210 #define waddchnstr p_waddchnstr
 211 #define wmove p_wmove
 212 #define wgetch p_wgetch
 213
 214 /******************************************************************
 215  *              WCCURSES_ResizeScreenBuffer
 216  *
 217  *
 218  */
 219 static void WCCURSES_ResizeScreenBuffer(struct inner_data* data)
 220 {
 221     /* reallocate a new pad. next event would redraw the whole pad */
 222     if (PRIVATE(data)->pad) delwin(PRIVATE(data)->pad);
 223     PRIVATE(data)->pad = newpad(data->curcfg.sb_height, data->curcfg.sb_width);
 224     if (!PRIVATE(data)->pad)
 225         WINE_FIXME("Cannot create pad\n");
 226     if (PRIVATE(data)->line)
 227         PRIVATE(data)->line = HeapReAlloc(GetProcessHeap(), 0, PRIVATE(data)->line,
 228                                       sizeof(chtype) * data->curcfg.sb_width);
 229     else
 230         PRIVATE(data)->line = HeapAlloc(GetProcessHeap(), 0,
 231                                       sizeof(chtype) * data->curcfg.sb_width);
 232 }
 233
 234 /******************************************************************
 235  *              WCCURSES_PosCursor
 236  *
 237  * Set a new position for the cursor (and refresh any modified part of our pad)
 238  */
 239 static void     WCCURSES_PosCursor(const struct inner_data* data)
 240 {
 241     int scr_width;
 242     int scr_height;
 243
 244     if (data->curcfg.cursor_visible &&
 245         data->cursor.Y >= data->curcfg.win_pos.Y &&
 246         data->cursor.Y < data->curcfg.win_pos.Y + data->curcfg.win_height &&
 247         data->cursor.X >= data->curcfg.win_pos.X &&
 248         data->cursor.X < data->curcfg.win_pos.X + data->curcfg.win_width)
 249     {
 250         if (curs_set(2) == ERR) curs_set(1);
 251         wmove(PRIVATE(data)->pad, data->cursor.Y, data->cursor.X);
 252     }
 253     else
 254     {
 255         curs_set(0);
 256     }
 257     getmaxyx(stdscr, scr_height, scr_width);
 258     prefresh(PRIVATE(data)->pad,
 259              data->curcfg.win_pos.Y, data->curcfg.win_pos.X,
 260              0, 0,
 261              min(scr_height, data->curcfg.win_height) - 1,
 262              min(scr_width, data->curcfg.win_width) - 1);
 263 }
 264
 265 /******************************************************************
 266  *              WCCURSES_ShapeCursor
 267  *
 268  * Sets a new shape for the cursor
 269  */
 270 void    WCCURSES_ShapeCursor(struct inner_data* data, int size, int vis, BOOL force)
 271 {
 272     /* we can't do much about the size... */
 273     data->curcfg.cursor_size = size;
 274     data->curcfg.cursor_visible = vis ? TRUE : FALSE;
 275     WCCURSES_PosCursor(data);
 276 }
 277
 278 /******************************************************************
 279  *              WCCURSES_ComputePositions
 280  *
 281  * Recomputes all the components (mainly scroll bars) positions
 282  */
 283 void    WCCURSES_ComputePositions(struct inner_data* data)
 284 {
 285     int         x, y;
 286
 287     getmaxyx(stdscr, y, x);
 288     if ((data->curcfg.win_height && y < data->curcfg.win_height) ||
 289         (data->curcfg.win_width && x < data->curcfg.win_width))
 290     {
 291         SMALL_RECT  pos;
 292
 293         WINE_WARN("Window too large (%dx%d), adjusting to curses' size (%dx%d)\n",
 294                   data->curcfg.win_width, data->curcfg.win_height, x, y);
 295         pos.Left = pos.Top = 0;
 296         pos.Right = x - 1; pos.Bottom = y - 1;
 297         SetConsoleWindowInfo(data->hConOut, FALSE, &pos);
 298         return; /* we'll get called again upon event for new window size */
 299     }
 300     if (PRIVATE(data)->pad) WCCURSES_PosCursor(data);
 301 }
 302
 303 /******************************************************************
 304  *              WCCURSES_SetTitle
 305  *
 306  * Sets the title to the wine console
 307  */
 308 static void     WCCURSES_SetTitle(const struct inner_data* data)
 309 {
 310     WCHAR   wbuf[256];
 311
 312     if (WINECON_GetConsoleTitle(data->hConIn, wbuf, sizeof(wbuf)/sizeof(WCHAR)))
 313     {
 314         char        buffer[256];
 315
 316         WideCharToMultiByte(CP_ACP, 0, wbuf, -1, buffer, sizeof(buffer),
 317                             NULL, NULL);
 318         fputs("\033]2;", stdout);
 319         fputs(buffer, stdout);
 320         fputc('\a', stdout);
 321         fflush(stdout);
 322     }
 323 }
 324
 325 /******************************************************************
 326  *              WCCURSES_Refresh
 327  *
 328  *
 329  */
 330 static void WCCURSES_Refresh(const struct inner_data* data, int tp, int bm)
 331 {
 332     unsigned int x;
 333     int         y;
 334     CHAR_INFO*  cell;
 335     DWORD       attr;
 336     char        ch;
 337
 338     for (y = tp; y <= bm; y++)
 339     {
 340         cell = &data->cells[y * data->curcfg.sb_width];
 341         for (x = 0; x < data->curcfg.sb_width; x++)
 342         {
 343             WideCharToMultiByte(CP_ACP, 0, &cell[x].Char.UnicodeChar, 1,
 344                                 &ch, 1, NULL, NULL);
 345             attr = ((BYTE)ch < 32 || (BYTE)ch > 127) ? 32 : (BYTE)ch;
 346
 347             if (cell[x].Attributes & FOREGROUND_RED)       attr |= COLOR_PAIR(COLOR_RED);
 348             if (cell[x].Attributes & FOREGROUND_BLUE)      attr |= COLOR_PAIR(COLOR_BLUE);
 349             if (cell[x].Attributes & FOREGROUND_GREEN)     attr |= COLOR_PAIR(COLOR_GREEN);
 350             if (cell[x].Attributes & BACKGROUND_RED)       attr |= COLOR_PAIR(COLOR_RED << 3);
 351             if (cell[x].Attributes & BACKGROUND_BLUE)      attr |= COLOR_PAIR(COLOR_BLUE << 3);
 352             if (cell[x].Attributes & BACKGROUND_GREEN)     attr |= COLOR_PAIR(COLOR_GREEN << 3);
 353
 354             if (cell[x].Attributes & FOREGROUND_INTENSITY) attr |= A_BOLD;
 355             PRIVATE(data)->line[x] = attr;
 356         }
 357         mvwaddchnstr(PRIVATE(data)->pad, y, 0, PRIVATE(data)->line, data->curcfg.sb_width);
 358     }
 359
 360     WCCURSES_PosCursor(data);
 361 }
 362
 363 /******************************************************************
 364  *              WCCURSES_Scroll
 365  *
 366  *
 367  */
 368 static void WCCURSES_Scroll(struct inner_data* data, int pos, BOOL horz)
 369 {
 370     if (horz)
 371     {
 372         data->curcfg.win_pos.X = pos;
 373     }
 374     else
 375     {
 376         data->curcfg.win_pos.Y = pos;
 377     }
 378     WCCURSES_PosCursor(data);
 379 }
 380
 381 /******************************************************************
 382  *              WCCURSES_SetFont
 383  *
 384  *
 385  */
 386 static void WCCURSES_SetFont(struct inner_data* data, const WCHAR* font,
 387                             unsigned height, unsigned weight)
 388 {
 389     /* FIXME: really not much to do ? */
 390 }
 391
 392 /******************************************************************
 393  *              WCCURSES_ScrollV
 394  *
 395  *
 396  */
 397 static void WCCURSES_ScrollV(struct inner_data* data, int delta)
 398 {
 399     int pos = data->curcfg.win_pos.Y;
 400
 401     pos += delta;
 402     if (pos < 0) pos = 0;
 403     if (pos > data->curcfg.sb_height - data->curcfg.win_height)
 404         pos = data->curcfg.sb_height - data->curcfg.win_height;
 405     if (pos != data->curcfg.win_pos.Y)
 406     {
 407         data->curcfg.win_pos.Y = pos;
 408         WCCURSES_PosCursor(data);
 409         WINECON_NotifyWindowChange(data);
 410     }
 411 }
 412
 413 /* Ascii -> VK, generated by calling VkKeyScanA(i) */
 414 static int vkkeyscan_table[256] =
 415 {
 416      0,0,0,0,0,0,0,0,8,9,0,0,0,13,0,0,0,0,0,19,145,556,0,0,0,0,0,27,0,0,0,
 417      0,32,305,478,307,308,309,311,222,313,304,312,443,188,189,190,191,48,
 418      49,50,51,52,53,54,55,56,57,442,186,444,187,446,447,306,321,322,323,
 419      324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340,
 420      341,342,343,344,345,346,219,220,221,310,445,192,65,66,67,68,69,70,71,
 421      72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,475,476,477,
 422      448,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 423      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 424      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 425      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,400,0,0,0,0,0,0
 426 };
 427
 428 static int mapvkey_0[256] =
 429 {
 430      0,0,0,0,0,0,0,0,14,15,0,0,0,28,0,0,42,29,56,69,58,0,0,0,0,0,0,1,0,0,
 431      0,0,57,73,81,79,71,75,72,77,80,0,0,0,55,82,83,0,11,2,3,4,5,6,7,8,9,
 432      10,0,0,0,0,0,0,0,30,48,46,32,18,33,34,35,23,36,37,38,50,49,24,25,16,
 433      19,31,20,22,47,17,45,21,44,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,55,78,0,74,
 434      0,53,59,60,61,62,63,64,65,66,67,68,87,88,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 435      0,0,0,0,0,0,69,70,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 436      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,39,13,51,12,52,53,41,0,0,0,0,0,0,0,0,0,
 437      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,26,43,27,40,76,96,0,0,0,0,0,0,0,0,
 438      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
 439 };
 440
 441 /******************************************************************
 442  *              WCCURSES_InitComplexChar
 443  *
 444  *
 445  */
 446 static inline void WCCURSES_InitComplexChar(INPUT_RECORD* ir, BOOL down, WORD vk, WORD kc, DWORD cks)
 447 {
 448     ir->EventType                        = KEY_EVENT;
 449     ir->Event.KeyEvent.bKeyDown          = down;
 450     ir->Event.KeyEvent.wRepeatCount      = 1;
 451
 452     ir->Event.KeyEvent.wVirtualScanCode  = vk;
 453     ir->Event.KeyEvent.wVirtualKeyCode   = kc;
 454     ir->Event.KeyEvent.dwControlKeyState = cks;
 455     ir->Event.KeyEvent.uChar.UnicodeChar = 0;
 456 }
 457
 458 /******************************************************************
 459  *              WCCURSES_FillSimpleChar
 460  *
 461  *
 462  */
 463 static unsigned WCCURSES_FillSimpleChar(INPUT_RECORD* ir, unsigned real_inchar)
 464 {
 465     unsigned vk;
 466     unsigned inchar;
 467     unsigned numEvent = 0;
 468     DWORD    cks = 0;
 469
 470     switch (real_inchar)
 471     {
 472     case   9: inchar = real_inchar;
 473               real_inchar = 27; /* so that we don't think key is ctrl- something */
 474               break;
 475     case  10: inchar = '\r';
 476               real_inchar = 27; /* Fixme: so that we don't think key is ctrl- something */
 477               break;
 478     case 127: inchar = '\b';
 479               break;
 480     case  27:
 481         /* we assume that ESC & and the second character are atomically
 482          * generated otherwise, we'll have a race here. FIXME: This gives 1 sec. delay
 483          * because curses looks for a second character.
 484          */
 485         if ((inchar = wgetch(stdscr)) != ERR)
 486         {
 487             /* we got a alt-something key... */
 488             cks = LEFT_ALT_PRESSED;
 489         }
 490         else
 491             inchar = 27;
 492         break;
 493     default:
 494         inchar = real_inchar;
 495         break;
 496     }
 497     if ((inchar & ~0xFF) != 0) WINE_FIXME("What a char (%u)\n", inchar);
 498     vk = vkkeyscan_table[inchar];
 499     if (vk & 0x0100)
 500         WCCURSES_InitComplexChar(&ir[numEvent++], 1, 0x2a, 0x10, SHIFT_PRESSED);
 501     if ((vk & 0x0200) || (unsigned char)real_inchar <= 26)
 502         WCCURSES_InitComplexChar(&ir[numEvent++], 1, 0x1d, 0x11, LEFT_CTRL_PRESSED);
 503     if (vk & 0x0400)
 504         WCCURSES_InitComplexChar(&ir[numEvent++], 1, 0x38, 0x12, LEFT_ALT_PRESSED);
 505
 506     ir[numEvent].EventType                        = KEY_EVENT;
 507     ir[numEvent].Event.KeyEvent.bKeyDown          = 1;
 508     ir[numEvent].Event.KeyEvent.wRepeatCount      = 1;
 509     ir[numEvent].Event.KeyEvent.dwControlKeyState = cks;
 510     if (vk & 0x0100)
 511         ir[numEvent].Event.KeyEvent.dwControlKeyState |= SHIFT_PRESSED;
 512     if ((vk & 0x0200) || (unsigned char)real_inchar <= 26)
 513         ir[numEvent].Event.KeyEvent.dwControlKeyState |= LEFT_CTRL_PRESSED;
 514     if (vk & 0x0400)
 515         ir[numEvent].Event.KeyEvent.dwControlKeyState |= LEFT_ALT_PRESSED;
 516     ir[numEvent].Event.KeyEvent.wVirtualKeyCode = vk;
 517     ir[numEvent].Event.KeyEvent.wVirtualScanCode = mapvkey_0[vk & 0x00ff]; /* VirtualKeyCodes to ScanCode */
 518     ir[numEvent].Event.KeyEvent.uChar.UnicodeChar = (unsigned char)inchar;
 519
 520     ir[numEvent + 1] = ir[numEvent];
 521     ir[numEvent + 1].Event.KeyEvent.bKeyDown      = 0;
 522
 523     numEvent += 2;
 524
 525     if (vk & 0x0400)
 526         WCCURSES_InitComplexChar(&ir[numEvent++], 0, 0x38, 0x12, LEFT_ALT_PRESSED);
 527     if ((vk & 0x0200) || (unsigned char)real_inchar <= 26)
 528         WCCURSES_InitComplexChar(&ir[numEvent++], 0, 0x1d, 0x11, 0);
 529     if (vk & 0x0100)
 530         WCCURSES_InitComplexChar(&ir[numEvent++], 0, 0x2a, 0x10, 0);
 531
 532     return numEvent;
 533 }
 534
 535 /******************************************************************
 536  *              WCCURSES_FillComplexChar
 537  *
 538  *
 539  */
 540 static unsigned WCCURSES_FillComplexChar(INPUT_RECORD* ir, WORD vk, WORD kc, DWORD cks)
 541 {
 542     WCCURSES_InitComplexChar(&ir[0], 1, vk, kc, ENHANCED_KEY | cks);
 543     WCCURSES_InitComplexChar(&ir[1], 0, vk, kc, ENHANCED_KEY | cks);
 544
 545     return 2;
 546 }
 547
 548 /******************************************************************
 549  *              WCCURSES_FillMouse
 550  *
 551  *
 552  */
 553 static unsigned WCCURSES_FillMouse(INPUT_RECORD* ir)
 554 {
 555     static      unsigned        bstate /* = 0 */;
 556     static      COORD           pos /* = {0, 0} */;
 557
 558     MEVENT      mevt;
 559
 560     if (getmouse(&mevt) == ERR)
 561         return 0;
 562
 563     WINE_TRACE("[%u]: (%d, %d) %08lx\n",
 564                mevt.id, mevt.x, mevt.y, (unsigned long)mevt.bstate);
 565
 566     /* macros to ease mapping ncurse button numbering to windows's one */
 567 #define BTN1_BIT        FROM_LEFT_1ST_BUTTON_PRESSED
 568 #define BTN2_BIT        RIGHTMOST_BUTTON_PRESSED
 569 #define BTN3_BIT        FROM_LEFT_2ND_BUTTON_PRESSED
 570 #define BTN4_BIT        0 /* not done yet */
 571
 572     if (mevt.bstate & BUTTON1_PRESSED)   bstate |= BTN1_BIT;
 573     if (mevt.bstate & BUTTON1_RELEASED)  bstate &= ~BTN1_BIT;
 574     if (mevt.bstate & BUTTON2_PRESSED)   bstate |= BTN2_BIT;
 575     if (mevt.bstate & BUTTON2_RELEASED)  bstate &= ~BTN2_BIT;
 576     if (mevt.bstate & BUTTON3_PRESSED)   bstate |= BTN3_BIT;
 577     if (mevt.bstate & BUTTON3_RELEASED)  bstate &= ~BTN3_BIT;
 578
 579     ir->EventType = MOUSE_EVENT;
 580     ir->Event.MouseEvent.dwMousePosition.X = mevt.x;
 581     ir->Event.MouseEvent.dwMousePosition.Y = mevt.y;
 582
 583     ir->Event.MouseEvent.dwButtonState = bstate;
 584
 585     /* partial conversion */
 586     ir->Event.MouseEvent.dwControlKeyState = 0;
 587     if (mevt.bstate & BUTTON_SHIFT)     ir->Event.MouseEvent.dwControlKeyState |= SHIFT_PRESSED;
 588     /* choose to map to left ctrl... could use both ? */
 589     if (mevt.bstate & BUTTON_CTRL)      ir->Event.MouseEvent.dwControlKeyState |= LEFT_CTRL_PRESSED;
 590     /* choose to map to left alt... could use both ? */
 591     if (mevt.bstate & BUTTON_ALT)       ir->Event.MouseEvent.dwControlKeyState |= LEFT_ALT_PRESSED;
 592     /* FIXME: unsupported yet flags: CAPSLOCK_ON, ENHANCED_KEY (??), NUMLOCK_ON, SCROLLLOCK_ON
 593      * could be reported from the key events...
 594      */
 595
 596     ir->Event.MouseEvent.dwEventFlags = 0;
 597     /* FIXME: we no longer generate double click events */
 598
 599     if (!(mevt.bstate & (BUTTON1_PRESSED|BUTTON1_RELEASED|BUTTON2_PRESSED|BUTTON2_RELEASED|BUTTON3_PRESSED|BUTTON3_RELEASED)) &&
 600         (mevt.x != pos.X || mevt.y != pos.Y))
 601     {
 602         ir->Event.MouseEvent.dwEventFlags |= MOUSE_MOVED;
 603     }
 604     pos.X = mevt.x; pos.Y = mevt.y;
 605
 606     return 1;
 607 }
 608
 609 /******************************************************************
 610  *              WCCURSES_FillCode
 611  *
 612  *
 613  */
 614 static unsigned WCCURSES_FillCode(struct inner_data* data, INPUT_RECORD* ir, int inchar)
 615 {
 616     unsigned numEvent = 0;
 617
 618     switch (inchar)
 619     {
 620     case KEY_BREAK:
 621         goto notFound;
 622     case KEY_DOWN:
 623         numEvent = WCCURSES_FillComplexChar(ir, 0x50, 0x28, 0);
 624         break;
 625     case KEY_UP:
 626         numEvent = WCCURSES_FillComplexChar(ir, 0x48, 0x26, 0);
 627         break;
 628     case KEY_LEFT:
 629         numEvent = WCCURSES_FillComplexChar(ir, 0x4b, 0x25, 0);
 630         break;
 631     case KEY_RIGHT:
 632         numEvent = WCCURSES_FillComplexChar(ir, 0x4d, 0x27, 0);
 633         break;
 634     case KEY_HOME:
 635         numEvent = WCCURSES_FillComplexChar(ir, 0x47, 0x24, 0);
 636         break;
 637     case KEY_BACKSPACE:
 638         numEvent = WCCURSES_FillSimpleChar(ir, 127);
 639         break;
 640
 641     case KEY_F0: /* up to F63 */
 642         goto notFound;
 643
 644     case KEY_F( 1):
 645     case KEY_F( 2):
 646     case KEY_F( 3):
 647     case KEY_F( 4):
 648     case KEY_F( 5):
 649     case KEY_F( 6):
 650     case KEY_F( 7):
 651     case KEY_F( 8):
 652     case KEY_F( 9):
 653     case KEY_F(10):
 654         numEvent = WCCURSES_FillComplexChar(ir, 0x3b + inchar - KEY_F(1), 0, 0);
 655         break;
 656     case KEY_F(11):
 657     case KEY_F(12):
 658         if (PRIVATE(data)->allow_scroll)
 659         {
 660             WCCURSES_ScrollV(data, inchar == KEY_F(11) ? 8 : -8);
 661         }
 662         else
 663         {
 664             numEvent = WCCURSES_FillComplexChar(ir, 0xd9 + inchar - KEY_F(11), 0, 0);
 665         }
 666         break;
 667
 668     case KEY_DL:
 669     case KEY_IL:
 670         goto notFound;
 671
 672     case KEY_DC:
 673         numEvent = WCCURSES_FillComplexChar(ir, 0x53, 0x2e, 0);
 674         break;
 675     case KEY_IC:
 676         numEvent = WCCURSES_FillComplexChar(ir, 0x52, 0x2d, 0);
 677         break;
 678
 679     case KEY_EIC:
 680     case KEY_CLEAR:
 681     case KEY_EOS:
 682     case KEY_EOL:
 683     case KEY_SF:
 684     case KEY_SR:
 685         goto notFound;
 686
 687     case KEY_NPAGE:
 688         numEvent = WCCURSES_FillComplexChar(ir, 0x51, 0x22, 0);
 689         break;
 690     case KEY_PPAGE:
 691         numEvent = WCCURSES_FillComplexChar(ir, 0x49, 0x21, 0);
 692         break;
 693
 694     case KEY_STAB:
 695     case KEY_CTAB:
 696     case KEY_CATAB:
 697     case KEY_ENTER:
 698     case KEY_SRESET:
 699     case KEY_RESET:
 700     case KEY_PRINT:
 701     case KEY_LL:
 702     case KEY_A1:
 703     case KEY_A3:
 704     case KEY_B2:
 705     case KEY_C1:
 706     case KEY_C3:
 707         goto notFound;
 708     case KEY_BTAB:      /* shift tab */
 709         numEvent = WCCURSES_FillSimpleChar(ir, 0x9);
 710         ir[0].Event.KeyEvent.dwControlKeyState |= SHIFT_PRESSED;
 711         ir[1].Event.KeyEvent.dwControlKeyState |= SHIFT_PRESSED;
 712         if (numEvent != 2) WINE_ERR("FillsimpleChar has changed");
 713         break;
 714
 715     case KEY_BEG:
 716     case KEY_CANCEL:
 717     case KEY_CLOSE:
 718     case KEY_COMMAND:
 719     case KEY_COPY:
 720     case KEY_CREATE:
 721         goto notFound;
 722
 723     case KEY_END:
 724         numEvent = WCCURSES_FillComplexChar(ir, 0x4f, 0x23, 0);
 725         break;
 726
 727     case KEY_EXIT:
 728     case KEY_FIND:
 729     case KEY_HELP:
 730     case KEY_MARK:
 731     case KEY_MESSAGE:
 732         goto notFound;
 733
 734     case KEY_MOUSE:
 735         numEvent = WCCURSES_FillMouse(ir);
 736         break;
 737
 738     case KEY_MOVE:
 739     case KEY_NEXT:
 740     case KEY_OPEN:
 741     case KEY_OPTIONS:
 742     case KEY_PREVIOUS:
 743     case KEY_REDO:
 744     case KEY_REFERENCE:
 745     case KEY_REFRESH:
 746     case KEY_REPLACE:
 747     case KEY_RESIZE:
 748     case KEY_RESTART:
 749     case KEY_RESUME:
 750     case KEY_SAVE:
 751     case KEY_SBEG:
 752     case KEY_SCANCEL:
 753     case KEY_SCOMMAND:
 754     case KEY_SCOPY:
 755     case KEY_SCREATE:
 756         goto notFound;
 757
 758     case KEY_SDC:
 759         numEvent = WCCURSES_FillComplexChar(ir, 0x53, 0x2e, SHIFT_PRESSED);
 760         break;
 761     case KEY_SDL:
 762     case KEY_SELECT:
 763         goto notFound;
 764
 765     case KEY_SEND:
 766         numEvent = WCCURSES_FillComplexChar(ir, 0x4f, 0x23, SHIFT_PRESSED);
 767         break;
 768
 769     case KEY_SEOL:
 770     case KEY_SEXIT:
 771     case KEY_SFIND:
 772     case KEY_SHELP:
 773         goto notFound;
 774
 775     case KEY_SHOME:
 776         numEvent = WCCURSES_FillComplexChar(ir, 0x47, 0x24, SHIFT_PRESSED);
 777         break;
 778     case KEY_SIC:
 779         numEvent = WCCURSES_FillComplexChar(ir, 0x52, 0x2d, SHIFT_PRESSED);
 780         break;
 781     case KEY_SLEFT:
 782         numEvent = WCCURSES_FillComplexChar(ir, 0x4b, 0x25, SHIFT_PRESSED);
 783         break;
 784
 785     case KEY_SMESSAGE:
 786     case KEY_SMOVE:
 787     case KEY_SNEXT:
 788     case KEY_SOPTIONS:
 789     case KEY_SPREVIOUS:
 790     case KEY_SPRINT:
 791     case KEY_SREDO:
 792     case KEY_SREPLACE:
 793         goto notFound;
 794
 795     case KEY_SRIGHT:
 796         numEvent = WCCURSES_FillComplexChar(ir, 0x4d, 0x27, SHIFT_PRESSED);
 797         break;
 798
 799     case KEY_SRSUME:
 800     case KEY_SSAVE:
 801     case KEY_SSUSPEND:
 802     case KEY_SUNDO:
 803     case KEY_SUSPEND:
 804     case KEY_UNDO:
 805     notFound:
 806         WINE_FIXME("Not done yet (%o)\n", inchar);
 807         break;
 808     default:
 809         WINE_ERR("Unknown val (%o)\n", inchar);
 810         break;
 811     }
 812     return numEvent;
 813 }
 814
 815 /******************************************************************
 816  *              WCCURSES_GetEvents
 817  *
 818  *
 819  */
 820 static void WCCURSES_GetEvents(struct inner_data* data)
 821 {
 822     int                 inchar;
 823     INPUT_RECORD        ir[8];
 824     unsigned            numEvent;
 825     DWORD               n;
 826
 827     if ((inchar = wgetch(stdscr)) == ERR) {WINE_FIXME("Ooch. somebody beat us\n");return;}
 828
 829     WINE_TRACE("Got o%o (0x%x)\n", inchar,inchar);
 830
 831     if (inchar & KEY_CODE_YES)
 832     {
 833         numEvent = WCCURSES_FillCode(data, ir, inchar);
 834     }
 835     else
 836     {
 837         numEvent = WCCURSES_FillSimpleChar(ir, inchar);
 838     }
 839     if (numEvent)
 840         WriteConsoleInput(data->hConIn, ir, numEvent, &n);
 841 }
 842
 843 /******************************************************************
 844  *              WCCURSES_DeleteBackend
 845  *
 846  *
 847  */
 848 static void WCCURSES_DeleteBackend(struct inner_data* data)
 849 {
 850     mmask_t     mm;
 851
 852     if (!PRIVATE(data)) return;
 853
 854     CloseHandle(PRIVATE(data)->hInput);
 855
 856     delwin(PRIVATE(data)->pad);
 857     mousemask(PRIVATE(data)->initial_mouse_mask, &mm);
 858     endwin();
 859
 860     HeapFree(GetProcessHeap(), 0, PRIVATE(data)->line);
 861     HeapFree(GetProcessHeap(), 0, PRIVATE(data));
 862     data->private = NULL;
 863 }
 864
 865 /******************************************************************
 866  *              WCCURSES_MainLoop
 867  *
 868  *
 869  */
 870 static int WCCURSES_MainLoop(struct inner_data* data)
 871 {
 872     HANDLE hin[2];
 873
 874     hin[0] = PRIVATE(data)->hInput;
 875     hin[1] = data->hSynchro;
 876
 877     for (;;)
 878     {
 879         unsigned ret = WaitForMultipleObjects(2, hin, FALSE, INFINITE);
 880         switch (ret)
 881         {
 882         case WAIT_OBJECT_0:
 883             WCCURSES_GetEvents(data);
 884             break;
 885         case WAIT_OBJECT_0+1:
 886             if (!WINECON_GrabChanges(data)) return 0;
 887             break;
 888         default:
 889             WINE_ERR("got pb\n");
 890             /* err */
 891             break;
 892         }
 893     }
 894 }
 895
 896 /******************************************************************
 897  *              WCCURSES_InitBackend
 898  *
 899  * Initialisation part II: creation of window.
 900  *
 901  */
 902 enum init_return WCCURSES_InitBackend(struct inner_data* data)
 903 {
 904     if( !WCCURSES_bind_libcurses() )
 905         return init_failed;
 906
 907     data->private = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct inner_data_curse));
 908     if (!data->private) return init_failed;
 909
 910     data->fnMainLoop           = WCCURSES_MainLoop;
 911     data->fnPosCursor          = WCCURSES_PosCursor;
 912     data->fnShapeCursor        = WCCURSES_ShapeCursor;
 913     data->fnComputePositions   = WCCURSES_ComputePositions;
 914     data->fnRefresh            = WCCURSES_Refresh;
 915     data->fnResizeScreenBuffer = WCCURSES_ResizeScreenBuffer;
 916     data->fnSetTitle           = WCCURSES_SetTitle;
 917     data->fnScroll             = WCCURSES_Scroll;
 918     data->fnSetFont            = WCCURSES_SetFont;
 919     data->fnDeleteBackend      = WCCURSES_DeleteBackend;
 920
 921     if (wine_server_fd_to_handle(0, GENERIC_READ|SYNCHRONIZE, FALSE,
 922                                  (obj_handle_t*)&PRIVATE(data)->hInput))
 923     {
 924         WINE_FIXME("Cannot open 0\n");
 925         return init_failed;
 926     }
 927
 928     /* FIXME: should find a good way to enable buffer scrolling
 929      * For the time being, setting this to 1 will allow scrolling up/down
 930      * on buffer with F11/F12.
 931      */
 932     /* PRIVATE(data)->allow_scroll = 1; */
 933
 934     initscr();
 935
 936     /* creating the basic colors - FIXME intensity not handled yet */
 937     if (has_colors())
 938     {
 939         int i, j;
 940
 941         start_color();
 942         for (i = 0; i < 8; i++)
 943             for (j = 0; j < 8; j++)
 944                 init_pair(i | (j << 3), i, j);
 945     }
 946
 947     raw();
 948     noecho();
 949     intrflush(stdscr, FALSE);
 950     nodelay(stdscr, TRUE);
 951     keypad(stdscr, TRUE);
 952     if (data->curcfg.quick_edit)
 953     {
 954         mousemask(BUTTON1_PRESSED|BUTTON1_RELEASED|
 955                   BUTTON2_PRESSED|BUTTON2_RELEASED|
 956                   BUTTON3_PRESSED|BUTTON3_RELEASED|
 957                   BUTTON_SHIFT|BUTTON_CTRL|BUTTON_ALT|REPORT_MOUSE_POSITION,
 958                   &PRIVATE(data)->initial_mouse_mask);
 959         /* no click event generation... we just need button up/down events
 960          * it doesn't seem that mouseinterval(-1) behaves as documented...
 961          * 0 seems to be better value to disable click event generation
 962          */
 963         mouseinterval(0);
 964     }
 965     else
 966     {
 967         mousemask(0, &PRIVATE(data)->initial_mouse_mask);
 968     }
 969
 970     return init_success;
 971 }
 972
 973 #else
 974 enum init_return WCCURSES_InitBackend(struct inner_data* data)
 975 {
 976     return init_not_supported;
 977 }
 978 #endif