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[wine] / 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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_POLL_H
39 # include <poll.h>
40 #endif
41 #ifdef HAVE_NCURSES_H
42 # include <ncurses.h>
43 #elif defined(HAVE_CURSES_H)
44 # include <curses.h>
45 #endif
46 /* avoid redefinition warnings */
47 #undef KEY_EVENT
48 #undef MOUSE_MOVED
49
50 #ifdef HAVE_UNISTD_H
51 #include <unistd.h>
52 #endif
53 #include <windef.h>
54 #include <winbase.h>
55 #include <winnls.h>
56 #include "winecon_private.h"
57
58 #include "wine/library.h"
59 #include "wine/debug.h"
60
61 WINE_DEFAULT_DEBUG_CHANNEL(curses);
62
63 #define PRIVATE(data)   ((struct inner_data_curse*)((data)->private))
64
65 #if defined(SONAME_LIBCURSES) || defined(SONAME_LIBNCURSES)
66
67 #ifdef HAVE_NCURSES_H
68 # define CURSES_NAME "ncurses"
69 #else
70 # define CURSES_NAME "curses"
71 #endif
72
73 struct inner_data_curse 
74 {
75     unsigned long       initial_mouse_mask;
76     int                 sync_pipe[2];
77     HANDLE              input_thread;
78     WINDOW*             pad;
79     chtype*             line;
80     int                 allow_scroll;
81 };
82
83
84 static void *nc_handle = NULL;
85
86 #ifdef initscr  /* work around Solaris breakage */
87 #undef initscr
88 extern WINDOW *initscr(void);
89 #endif
90
91 #define MAKE_FUNCPTR(f) static typeof(f) * p_##f;
92
93 MAKE_FUNCPTR(curs_set)
94 MAKE_FUNCPTR(delwin)
95 MAKE_FUNCPTR(endwin)
96 #ifndef getmaxx
97 MAKE_FUNCPTR(getmaxx)
98 #endif
99 #ifndef getmaxy
100 MAKE_FUNCPTR(getmaxy)
101 #endif
102 MAKE_FUNCPTR(getmouse)
103 MAKE_FUNCPTR(has_colors)
104 MAKE_FUNCPTR(init_pair)
105 MAKE_FUNCPTR(initscr)
106 #ifndef intrflush
107 MAKE_FUNCPTR(intrflush)
108 #endif
109 MAKE_FUNCPTR(keypad)
110 MAKE_FUNCPTR(newpad)
111 #ifndef nodelay
112 MAKE_FUNCPTR(nodelay)
113 #endif
114 #ifndef noecho
115 MAKE_FUNCPTR(noecho)
116 #endif
117 MAKE_FUNCPTR(prefresh)
118 MAKE_FUNCPTR(raw)
119 MAKE_FUNCPTR(start_color)
120 MAKE_FUNCPTR(stdscr)
121 MAKE_FUNCPTR(waddchnstr)
122 MAKE_FUNCPTR(wmove)
123 MAKE_FUNCPTR(wgetch)
124 #ifdef HAVE_MOUSEMASK
125 MAKE_FUNCPTR(mouseinterval)
126 MAKE_FUNCPTR(mousemask)
127 #endif
128
129 #undef MAKE_FUNCPTR
130
131 /**********************************************************************/
132
133 static BOOL WCCURSES_bind_libcurses(void)
134 {
135 #ifdef SONAME_LIBNCURSES
136     static const char ncname[] = SONAME_LIBNCURSES;
137 #else
138     static const char ncname[] = SONAME_LIBCURSES;
139 #endif
140
141     nc_handle = wine_dlopen(ncname, RTLD_NOW, NULL, 0);
142     if(!nc_handle)
143     {
144         WINE_MESSAGE("Wine cannot find the " CURSES_NAME " library (%s).\n",
145                      ncname);
146         return FALSE;
147     }
148
149 #define LOAD_FUNCPTR(f)                                      \
150     if((p_##f = wine_dlsym(nc_handle, #f, NULL, 0)) == NULL) \
151     {                                                        \
152         WINE_WARN("Can't find symbol %s\n", #f);             \
153         goto sym_not_found;                                  \
154     }
155
156     LOAD_FUNCPTR(curs_set)
157     LOAD_FUNCPTR(delwin)
158     LOAD_FUNCPTR(endwin)
159 #ifndef getmaxx
160     LOAD_FUNCPTR(getmaxx)
161 #endif
162 #ifndef getmaxy
163     LOAD_FUNCPTR(getmaxy)
164 #endif
165     LOAD_FUNCPTR(getmouse)
166     LOAD_FUNCPTR(has_colors)
167     LOAD_FUNCPTR(init_pair)
168     LOAD_FUNCPTR(initscr)
169 #ifndef intrflush
170     LOAD_FUNCPTR(intrflush)
171 #endif
172     LOAD_FUNCPTR(keypad)
173     LOAD_FUNCPTR(newpad)
174 #ifndef nodelay
175     LOAD_FUNCPTR(nodelay)
176 #endif
177 #ifndef noecho
178     LOAD_FUNCPTR(noecho)
179 #endif
180     LOAD_FUNCPTR(prefresh)
181     LOAD_FUNCPTR(raw)
182     LOAD_FUNCPTR(start_color)
183     LOAD_FUNCPTR(stdscr)
184     LOAD_FUNCPTR(waddchnstr)
185     LOAD_FUNCPTR(wmove)
186     LOAD_FUNCPTR(wgetch)
187 #ifdef HAVE_MOUSEMASK
188     LOAD_FUNCPTR(mouseinterval)
189     LOAD_FUNCPTR(mousemask)
190 #endif
191
192 #undef LOAD_FUNCPTR
193
194     return TRUE;
195
196 sym_not_found:
197     WINE_MESSAGE(
198       "Wine cannot find certain functions that it needs inside the "
199        CURSES_NAME "\nlibrary.  To enable Wine to use " CURSES_NAME 
200       " please upgrade your " CURSES_NAME "\nlibraries\n");
201     wine_dlclose(nc_handle, NULL, 0);
202     nc_handle = NULL;
203     return FALSE;
204 }
205
206 #define curs_set p_curs_set
207 #define delwin p_delwin
208 #define endwin p_endwin
209 #ifndef getmaxx
210 #define getmaxx p_getmaxx
211 #endif
212 #ifndef getmaxy
213 #define getmaxy p_getmaxy
214 #endif
215 #define getmouse p_getmouse
216 #define has_colors p_has_colors
217 #define init_pair p_init_pair
218 #define initscr p_initscr
219 #ifndef intrflush
220 #define intrflush p_intrflush
221 #endif
222 #define keypad p_keypad
223 #define mouseinterval p_mouseinterval
224 #define mousemask p_mousemask
225 #define newpad p_newpad
226 #ifndef nodelay
227 #define nodelay p_nodelay
228 #endif
229 #ifndef noecho
230 #define noecho p_noecho
231 #endif
232 #define prefresh p_prefresh
233 #define raw p_raw
234 #define start_color p_start_color
235 #define stdscr (*p_stdscr)
236 #define waddchnstr p_waddchnstr
237 #define wmove p_wmove
238 #define wgetch p_wgetch
239
240 /******************************************************************
241  *              WCCURSES_ResizeScreenBuffer
242  *
243  *
244  */
245 static void WCCURSES_ResizeScreenBuffer(struct inner_data* data)
246 {
247     /* reallocate a new pad. next event would redraw the whole pad */
248     if (PRIVATE(data)->pad) delwin(PRIVATE(data)->pad);
249     PRIVATE(data)->pad = newpad(data->curcfg.sb_height, data->curcfg.sb_width);
250     if (!PRIVATE(data)->pad)
251         WINE_FIXME("Cannot create pad\n");
252     if (PRIVATE(data)->line) 
253         PRIVATE(data)->line = HeapReAlloc(GetProcessHeap(), 0, PRIVATE(data)->line, 
254                                       sizeof(chtype) * data->curcfg.sb_width);
255     else 
256         PRIVATE(data)->line = HeapAlloc(GetProcessHeap(), 0, 
257                                       sizeof(chtype) * data->curcfg.sb_width);
258 }
259
260 /******************************************************************
261  *              WCCURSES_PosCursor
262  *
263  * Set a new position for the cursor (and refresh any modified part of our pad)
264  */
265 static void     WCCURSES_PosCursor(const struct inner_data* data)
266 {
267     int scr_width;
268     int scr_height;
269
270     if (data->curcfg.cursor_visible &&
271         data->cursor.Y >= data->curcfg.win_pos.Y &&
272         data->cursor.Y < data->curcfg.win_pos.Y + data->curcfg.win_height &&
273         data->cursor.X >= data->curcfg.win_pos.X &&
274         data->cursor.X < data->curcfg.win_pos.X + data->curcfg.win_width)
275     {
276         if (curs_set(2) == ERR) curs_set(1);
277         wmove(PRIVATE(data)->pad, data->cursor.Y, data->cursor.X);
278     }
279     else
280     {
281         curs_set(0);
282     }
283     getmaxyx(stdscr, scr_height, scr_width); 
284     prefresh(PRIVATE(data)->pad,
285              data->curcfg.win_pos.Y, data->curcfg.win_pos.X,
286              0, 0, 
287              min(scr_height, data->curcfg.win_height) - 1, 
288              min(scr_width, data->curcfg.win_width) - 1);
289 }
290
291 /******************************************************************
292  *              WCCURSES_ShapeCursor
293  *
294  * Sets a new shape for the cursor
295  */
296 static void     WCCURSES_ShapeCursor(struct inner_data* data, int size, int vis, BOOL force)
297 {
298     /* we can't do much about the size... */
299     data->curcfg.cursor_size = size;
300     data->curcfg.cursor_visible = vis ? TRUE : FALSE;
301     WCCURSES_PosCursor(data);
302 }
303
304 /******************************************************************
305  *              WCCURSES_ComputePositions
306  *
307  * Recomputes all the components (mainly scroll bars) positions
308  */
309 static void     WCCURSES_ComputePositions(struct inner_data* data)
310 {
311     int         x, y;
312
313     getmaxyx(stdscr, y, x);
314     if ((data->curcfg.win_height && y < data->curcfg.win_height) ||
315         (data->curcfg.win_width && x < data->curcfg.win_width))
316     {
317         SMALL_RECT  pos;
318
319         WINE_WARN("Window too large (%dx%d), adjusting to curses' size (%dx%d)\n",
320                   data->curcfg.win_width, data->curcfg.win_height, x, y);
321         pos.Left = pos.Top = 0;
322         pos.Right = x - 1; pos.Bottom = y - 1;
323         SetConsoleWindowInfo(data->hConOut, FALSE, &pos);
324         return; /* we'll get called again upon event for new window size */
325     }
326     if (PRIVATE(data)->pad) WCCURSES_PosCursor(data);
327 }
328
329 /******************************************************************
330  *              WCCURSES_SetTitle
331  *
332  * Sets the title to the wine console
333  */
334 static void     WCCURSES_SetTitle(const struct inner_data* data)
335 {
336     WCHAR   wbuf[256];
337
338     if (WINECON_GetConsoleTitle(data->hConIn, wbuf, sizeof(wbuf)/sizeof(WCHAR)))
339     {
340         char        buffer[256];
341
342         WideCharToMultiByte(CP_UNIXCP, 0, wbuf, -1, buffer, sizeof(buffer),
343                             NULL, NULL);
344         fputs("\033]2;", stdout);
345         fputs(buffer, stdout);
346         fputc('\a', stdout);
347         fflush(stdout);
348     }
349 }
350
351 /******************************************************************
352  *              WCCURSES_Refresh
353  *
354  *
355  */
356 static void WCCURSES_Refresh(const struct inner_data* data, int tp, int bm)
357 {
358     unsigned int x;
359     int         y;
360     CHAR_INFO*  cell;
361     DWORD       attr;
362     char        ch;
363
364     for (y = tp; y <= bm; y++)
365     {
366         cell = &data->cells[y * data->curcfg.sb_width];
367         for (x = 0; x < data->curcfg.sb_width; x++)
368         {
369             WideCharToMultiByte(CP_UNIXCP, 0, &cell[x].Char.UnicodeChar, 1,
370                                 &ch, 1, NULL, NULL);
371             attr = ((BYTE)ch < 32) ? 32 : (BYTE)ch;
372
373             if (cell[x].Attributes & FOREGROUND_RED)       attr |= COLOR_PAIR(COLOR_RED);
374             if (cell[x].Attributes & FOREGROUND_BLUE)      attr |= COLOR_PAIR(COLOR_BLUE);
375             if (cell[x].Attributes & FOREGROUND_GREEN)     attr |= COLOR_PAIR(COLOR_GREEN);
376             if (cell[x].Attributes & BACKGROUND_RED)       attr |= COLOR_PAIR(COLOR_RED << 3);
377             if (cell[x].Attributes & BACKGROUND_BLUE)      attr |= COLOR_PAIR(COLOR_BLUE << 3);
378             if (cell[x].Attributes & BACKGROUND_GREEN)     attr |= COLOR_PAIR(COLOR_GREEN << 3);
379
380             if (cell[x].Attributes & FOREGROUND_INTENSITY) attr |= A_BOLD;
381             PRIVATE(data)->line[x] = attr;
382         }
383         mvwaddchnstr(PRIVATE(data)->pad, y, 0, PRIVATE(data)->line, data->curcfg.sb_width);
384     }
385
386     WCCURSES_PosCursor(data);
387 }
388
389 /******************************************************************
390  *              WCCURSES_Scroll
391  *
392  *
393  */
394 static void WCCURSES_Scroll(struct inner_data* data, int pos, BOOL horz)
395 {
396     if (horz)
397     {
398         data->curcfg.win_pos.X = pos;
399     }
400     else
401     {
402         data->curcfg.win_pos.Y = pos;
403     }
404     WCCURSES_PosCursor(data);
405 }
406
407 /******************************************************************
408  *              WCCURSES_SetFont
409  *
410  *
411  */
412 static void WCCURSES_SetFont(struct inner_data* data, const WCHAR* font, 
413                             unsigned height, unsigned weight)
414 {
415     /* FIXME: really not much to do ? */
416 }
417
418 /******************************************************************
419  *              WCCURSES_ScrollV
420  *
421  *
422  */
423 static void WCCURSES_ScrollV(struct inner_data* data, int delta)
424 {
425     int pos = data->curcfg.win_pos.Y;
426
427     pos += delta;
428     if (pos < 0) pos = 0;
429     if (pos > data->curcfg.sb_height - data->curcfg.win_height)
430         pos = data->curcfg.sb_height - data->curcfg.win_height;
431     if (pos != data->curcfg.win_pos.Y)
432     {
433         data->curcfg.win_pos.Y = pos;
434         WCCURSES_PosCursor(data);
435         WINECON_NotifyWindowChange(data);
436     }
437 }
438
439 /* Ascii -> VK, generated by calling VkKeyScanA(i) */
440 static const int vkkeyscan_table[256] =
441 {
442      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,
443      0,32,305,478,307,308,309,311,222,313,304,312,443,188,189,190,191,48,
444      49,50,51,52,53,54,55,56,57,442,186,444,187,446,447,306,321,322,323,
445      324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340,
446      341,342,343,344,345,346,219,220,221,310,445,192,65,66,67,68,69,70,71,
447      72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,475,476,477,
448      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,
449      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,
450      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,
451      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
452 };
453
454 static const int mapvkey_0[256] =
455 {
456      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,
457      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,
458      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,
459      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,
460      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,
461      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,
462      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,
463      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,
464      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
465 }; 
466
467 /******************************************************************
468  *              WCCURSES_InitComplexChar
469  *
470  *
471  */
472 static inline void WCCURSES_InitComplexChar(INPUT_RECORD* ir, BOOL down, WORD vk, WORD kc, DWORD cks)
473 {
474     ir->EventType                        = KEY_EVENT;
475     ir->Event.KeyEvent.bKeyDown          = down;
476     ir->Event.KeyEvent.wRepeatCount      = 1;
477     
478     ir->Event.KeyEvent.wVirtualScanCode  = vk;
479     ir->Event.KeyEvent.wVirtualKeyCode   = kc;
480     ir->Event.KeyEvent.dwControlKeyState = cks;
481     ir->Event.KeyEvent.uChar.UnicodeChar = 0;
482 }
483
484 /******************************************************************
485  *              WCCURSES_FillSimpleChar
486  *
487  *
488  */
489 static unsigned WCCURSES_FillSimpleChar(INPUT_RECORD* ir, unsigned real_inchar)
490 {
491     unsigned vk;
492     unsigned inchar;
493     char ch;
494     unsigned numEvent = 0;
495     DWORD    cks = 0;
496
497     switch (real_inchar)
498     {
499     case   9: inchar = real_inchar;
500               real_inchar = 27; /* so that we don't think key is ctrl- something */     
501               break;
502     case  10: inchar = '\r'; 
503               real_inchar = 27; /* Fixme: so that we don't think key is ctrl- something */ 
504               break;
505     case 127: inchar = '\b'; 
506               break;
507     case  27:
508         /* we assume that ESC & and the second character are atomically
509          * generated otherwise, we'll have a race here. FIXME: This gives 1 sec. delay
510          * because curses looks for a second character.
511          */
512         if ((inchar = wgetch(stdscr)) != ERR)
513         {
514             /* we got a alt-something key... */
515             cks = LEFT_ALT_PRESSED;
516         }
517         else
518             inchar = 27;
519         break;
520     default:
521         inchar = real_inchar;
522         break;
523     }
524     if ((inchar & ~0xFF) != 0) WINE_FIXME("What a char (%u)\n", inchar);
525     vk = vkkeyscan_table[inchar];
526     if (vk & 0x0100)
527         WCCURSES_InitComplexChar(&ir[numEvent++], 1, 0x2a, 0x10, SHIFT_PRESSED);
528     if ((vk & 0x0200) || (unsigned char)real_inchar <= 26)
529         WCCURSES_InitComplexChar(&ir[numEvent++], 1, 0x1d, 0x11, LEFT_CTRL_PRESSED);
530     if (vk & 0x0400)
531         WCCURSES_InitComplexChar(&ir[numEvent++], 1, 0x38, 0x12, LEFT_ALT_PRESSED);
532
533     ir[numEvent].EventType                        = KEY_EVENT;
534     ir[numEvent].Event.KeyEvent.bKeyDown          = 1;
535     ir[numEvent].Event.KeyEvent.wRepeatCount      = 1;
536     ir[numEvent].Event.KeyEvent.dwControlKeyState = cks;
537     if (vk & 0x0100)
538         ir[numEvent].Event.KeyEvent.dwControlKeyState |= SHIFT_PRESSED;
539     if ((vk & 0x0200) || (unsigned char)real_inchar <= 26)
540         ir[numEvent].Event.KeyEvent.dwControlKeyState |= LEFT_CTRL_PRESSED;
541     if (vk & 0x0400)
542         ir[numEvent].Event.KeyEvent.dwControlKeyState |= LEFT_ALT_PRESSED;
543     ir[numEvent].Event.KeyEvent.wVirtualKeyCode = vk;
544     ir[numEvent].Event.KeyEvent.wVirtualScanCode = mapvkey_0[vk & 0x00ff]; /* VirtualKeyCodes to ScanCode */
545
546     ch = inchar;
547     MultiByteToWideChar(CP_UNIXCP, 0,&ch,1,&ir[numEvent].Event.KeyEvent.uChar.UnicodeChar, 1);
548     ir[numEvent + 1] = ir[numEvent];
549     ir[numEvent + 1].Event.KeyEvent.bKeyDown      = 0;
550
551     numEvent += 2;
552
553     if (vk & 0x0400)
554         WCCURSES_InitComplexChar(&ir[numEvent++], 0, 0x38, 0x12, LEFT_ALT_PRESSED);
555     if ((vk & 0x0200) || (unsigned char)real_inchar <= 26)
556         WCCURSES_InitComplexChar(&ir[numEvent++], 0, 0x1d, 0x11, 0);
557     if (vk & 0x0100)
558         WCCURSES_InitComplexChar(&ir[numEvent++], 0, 0x2a, 0x10, 0);
559
560     return numEvent;
561 }
562
563 /******************************************************************
564  *              WCCURSES_FillComplexChar
565  *
566  *
567  */
568 static unsigned WCCURSES_FillComplexChar(INPUT_RECORD* ir, WORD vk, WORD kc, DWORD cks)
569 {
570     WCCURSES_InitComplexChar(&ir[0], 1, vk, kc, ENHANCED_KEY | cks);
571     WCCURSES_InitComplexChar(&ir[1], 0, vk, kc, ENHANCED_KEY | cks);
572
573     return 2;
574 }
575
576 /******************************************************************
577  *              WCCURSES_FillMouse
578  *
579  *
580  */
581 static unsigned WCCURSES_FillMouse(INPUT_RECORD* ir)
582 {
583 #ifdef HAVE_MOUSEMASK
584     static      unsigned        bstate /* = 0 */;
585     static      COORD           pos /* = {0, 0} */;
586
587     MEVENT      mevt;
588
589     if (getmouse(&mevt) == ERR)
590         return 0;
591
592     WINE_TRACE("[%u]: (%d, %d) %08lx\n", 
593                mevt.id, mevt.x, mevt.y, (unsigned long)mevt.bstate);
594
595     /* macros to ease mapping ncurse button numbering to windows's one */
596 #define BTN1_BIT        FROM_LEFT_1ST_BUTTON_PRESSED
597 #define BTN2_BIT        RIGHTMOST_BUTTON_PRESSED
598 #define BTN3_BIT        FROM_LEFT_2ND_BUTTON_PRESSED
599 #define BTN4_BIT        0 /* not done yet */
600
601     if (mevt.bstate & BUTTON1_PRESSED)   bstate |= BTN1_BIT;
602     if (mevt.bstate & BUTTON1_RELEASED)  bstate &= ~BTN1_BIT;
603     if (mevt.bstate & BUTTON2_PRESSED)   bstate |= BTN2_BIT;
604     if (mevt.bstate & BUTTON2_RELEASED)  bstate &= ~BTN2_BIT;
605     if (mevt.bstate & BUTTON3_PRESSED)   bstate |= BTN3_BIT;
606     if (mevt.bstate & BUTTON3_RELEASED)  bstate &= ~BTN3_BIT;
607
608     ir->EventType = MOUSE_EVENT;
609     ir->Event.MouseEvent.dwMousePosition.X = mevt.x;
610     ir->Event.MouseEvent.dwMousePosition.Y = mevt.y;
611
612     ir->Event.MouseEvent.dwButtonState = bstate;
613
614     /* partial conversion */
615     ir->Event.MouseEvent.dwControlKeyState = 0;
616     if (mevt.bstate & BUTTON_SHIFT)     ir->Event.MouseEvent.dwControlKeyState |= SHIFT_PRESSED;
617     /* choose to map to left ctrl... could use both ? */
618     if (mevt.bstate & BUTTON_CTRL)      ir->Event.MouseEvent.dwControlKeyState |= LEFT_CTRL_PRESSED;
619     /* choose to map to left alt... could use both ? */
620     if (mevt.bstate & BUTTON_ALT)       ir->Event.MouseEvent.dwControlKeyState |= LEFT_ALT_PRESSED;
621     /* FIXME: unsupported yet flags: CAPSLOCK_ON, ENHANCED_KEY (??), NUMLOCK_ON, SCROLLLOCK_ON 
622      * could be reported from the key events...
623      */
624
625     ir->Event.MouseEvent.dwEventFlags = 0;
626     /* FIXME: we no longer generate double click events */
627
628     if (!(mevt.bstate & (BUTTON1_PRESSED|BUTTON1_RELEASED|BUTTON2_PRESSED|BUTTON2_RELEASED|BUTTON3_PRESSED|BUTTON3_RELEASED)) &&
629         (mevt.x != pos.X || mevt.y != pos.Y))
630     {
631         ir->Event.MouseEvent.dwEventFlags |= MOUSE_MOVED;
632     }
633     pos.X = mevt.x; pos.Y = mevt.y;
634
635     return 1;
636 #else
637     return 0;
638 #endif
639 }
640
641 /******************************************************************
642  *              WCCURSES_FillCode
643  *
644  *
645  */
646 static unsigned WCCURSES_FillCode(struct inner_data* data, INPUT_RECORD* ir, int inchar)
647 {
648     unsigned numEvent = 0;
649     
650     switch (inchar)
651     {
652     case KEY_BREAK:
653         goto notFound;
654     case KEY_DOWN:
655         numEvent = WCCURSES_FillComplexChar(ir, 0x50, 0x28, 0);
656         break;
657     case KEY_UP:
658         numEvent = WCCURSES_FillComplexChar(ir, 0x48, 0x26, 0);
659         break;
660     case KEY_LEFT:
661         numEvent = WCCURSES_FillComplexChar(ir, 0x4b, 0x25, 0);
662         break;
663     case KEY_RIGHT:
664         numEvent = WCCURSES_FillComplexChar(ir, 0x4d, 0x27, 0);
665         break;
666     case KEY_HOME:
667         numEvent = WCCURSES_FillComplexChar(ir, 0x47, 0x24, 0);
668         break;
669     case KEY_BACKSPACE:
670         numEvent = WCCURSES_FillSimpleChar(ir, 127);
671         break;
672         
673     case KEY_F0: /* up to F63 */
674         goto notFound;
675                     
676     case KEY_F( 1):
677     case KEY_F( 2):
678     case KEY_F( 3):
679     case KEY_F( 4):
680     case KEY_F( 5):
681     case KEY_F( 6):
682     case KEY_F( 7):
683     case KEY_F( 8):
684     case KEY_F( 9):
685     case KEY_F(10):
686         numEvent = WCCURSES_FillComplexChar(ir, 0x3b + inchar - KEY_F(1),
687                                             0x70 + inchar - KEY_F(1), 0);
688         break;
689     case KEY_F(11):
690     case KEY_F(12):
691         if (PRIVATE(data)->allow_scroll)
692         {
693             WCCURSES_ScrollV(data, inchar == KEY_F(11) ? 8 : -8);
694         }
695         else
696         {
697             numEvent = WCCURSES_FillComplexChar(ir, 0xd9 + inchar - KEY_F(11),
698                                                 0x7a + inchar - KEY_F(11), 0);
699         }
700         break;
701                     
702     case KEY_DL:
703     case KEY_IL:
704         goto notFound;
705
706     case KEY_DC:
707         numEvent = WCCURSES_FillComplexChar(ir, 0x53, 0x2e, 0);
708         break;
709     case KEY_IC:
710         numEvent = WCCURSES_FillComplexChar(ir, 0x52, 0x2d, 0);
711         break;
712
713     case KEY_EIC:
714     case KEY_CLEAR:
715     case KEY_EOS:
716     case KEY_EOL:
717     case KEY_SF:
718     case KEY_SR:
719         goto notFound;
720                     
721     case KEY_NPAGE:
722         numEvent = WCCURSES_FillComplexChar(ir, 0x51, 0x22, 0);
723         break;
724     case KEY_PPAGE:
725         numEvent = WCCURSES_FillComplexChar(ir, 0x49, 0x21, 0);
726         break;
727         
728     case KEY_STAB:
729     case KEY_CTAB:
730     case KEY_CATAB:
731     case KEY_ENTER:
732     case KEY_SRESET:
733     case KEY_RESET:
734     case KEY_PRINT:
735     case KEY_LL:
736     case KEY_A1:
737     case KEY_A3:
738     case KEY_B2:
739     case KEY_C1:
740     case KEY_C3:
741         goto notFound;
742     case KEY_BTAB:      /* shift tab */
743         numEvent = WCCURSES_FillSimpleChar(ir, 0x9);
744         ir[0].Event.KeyEvent.dwControlKeyState |= SHIFT_PRESSED;
745         ir[1].Event.KeyEvent.dwControlKeyState |= SHIFT_PRESSED;        
746         if (numEvent != 2) WINE_ERR("FillsimpleChar has changed\n");
747         break;
748
749     case KEY_BEG:
750     case KEY_CANCEL:
751     case KEY_CLOSE:
752     case KEY_COMMAND:
753     case KEY_COPY:
754     case KEY_CREATE:
755         goto notFound;
756
757     case KEY_END:
758         numEvent = WCCURSES_FillComplexChar(ir, 0x4f, 0x23, 0);
759         break;
760         
761     case KEY_EXIT:
762     case KEY_FIND:
763     case KEY_HELP:
764     case KEY_MARK:
765     case KEY_MESSAGE:
766         goto notFound;
767                     
768     case KEY_MOUSE:
769         numEvent = WCCURSES_FillMouse(ir);
770         break;
771         
772     case KEY_MOVE:
773     case KEY_NEXT:
774     case KEY_OPEN:
775     case KEY_OPTIONS:
776     case KEY_PREVIOUS:
777     case KEY_REDO:
778     case KEY_REFERENCE:
779     case KEY_REFRESH:
780     case KEY_REPLACE:
781     case KEY_RESTART:
782     case KEY_RESUME:
783     case KEY_SAVE:
784     case KEY_SBEG:
785     case KEY_SCANCEL:
786     case KEY_SCOMMAND:
787     case KEY_SCOPY:
788     case KEY_SCREATE:
789 #ifdef KEY_RESIZE
790     case KEY_RESIZE:
791 #endif
792         goto notFound;
793
794     case KEY_SDC:
795         numEvent = WCCURSES_FillComplexChar(ir, 0x53, 0x2e, SHIFT_PRESSED);
796         break;
797     case KEY_SDL:
798     case KEY_SELECT:
799         goto notFound;
800
801     case KEY_SEND:
802         numEvent = WCCURSES_FillComplexChar(ir, 0x4f, 0x23, SHIFT_PRESSED);
803         break;
804
805     case KEY_SEOL:
806     case KEY_SEXIT:
807     case KEY_SFIND:
808     case KEY_SHELP:
809         goto notFound;
810
811     case KEY_SHOME:
812         numEvent = WCCURSES_FillComplexChar(ir, 0x47, 0x24, SHIFT_PRESSED);
813         break;
814     case KEY_SIC:
815         numEvent = WCCURSES_FillComplexChar(ir, 0x52, 0x2d, SHIFT_PRESSED);
816         break;
817     case KEY_SLEFT:
818         numEvent = WCCURSES_FillComplexChar(ir, 0x4b, 0x25, SHIFT_PRESSED);
819         break;
820
821     case KEY_SMESSAGE:
822     case KEY_SMOVE:
823     case KEY_SNEXT:
824     case KEY_SOPTIONS:
825     case KEY_SPREVIOUS:
826     case KEY_SPRINT:
827     case KEY_SREDO:
828     case KEY_SREPLACE:
829         goto notFound;
830
831     case KEY_SRIGHT:
832         numEvent = WCCURSES_FillComplexChar(ir, 0x4d, 0x27, SHIFT_PRESSED);
833         break;
834
835     case KEY_SRSUME:
836     case KEY_SSAVE:
837     case KEY_SSUSPEND:
838     case KEY_SUNDO:
839     case KEY_SUSPEND:
840     case KEY_UNDO:
841     notFound:
842         WINE_FIXME("Not done yet (%o)\n", inchar);
843         break;
844     default:
845         WINE_ERR("Unknown val (%o)\n", inchar);
846         break;
847     }
848     return numEvent;
849 }
850
851 /******************************************************************
852  *              input_thread
853  */
854 static DWORD CALLBACK input_thread( void *arg )
855 {
856     struct inner_data* data = arg;
857     int                 inchar;
858     INPUT_RECORD        ir[8];
859     unsigned            numEvent;
860     DWORD               n;
861     struct pollfd pfd[2];
862
863     pfd[0].fd = 0;
864     pfd[0].events = POLLIN;
865     pfd[1].fd = PRIVATE(data)->sync_pipe[0];
866     pfd[1].events = POLLHUP;
867
868     for (;;)
869     {
870         pfd[0].revents = pfd[1].revents = 0;
871         if (poll( pfd, 2, -1 ) == -1) break;
872         if (pfd[0].revents & (POLLHUP|POLLERR)) break;
873         if (pfd[1].revents & (POLLHUP|POLLERR)) break;
874         if (!(pfd[0].revents & POLLIN)) continue;
875
876         if ((inchar = wgetch(stdscr)) == ERR) continue;
877
878         WINE_TRACE("Got o%o (0x%x)\n", inchar,inchar);
879
880         if (inchar >= KEY_MIN && inchar <= KEY_MAX)
881             numEvent = WCCURSES_FillCode(data, ir, inchar);
882         else
883             numEvent = WCCURSES_FillSimpleChar(ir, inchar);
884
885         if (numEvent) WriteConsoleInput(data->hConIn, ir, numEvent, &n);
886     }
887     close( PRIVATE(data)->sync_pipe[0] );
888     return 0;
889 }
890
891 /******************************************************************
892  *              WCCURSES_DeleteBackend
893  *
894  *
895  */
896 static void WCCURSES_DeleteBackend(struct inner_data* data)
897 {
898     if (!PRIVATE(data)) return;
899
900     if (PRIVATE(data)->input_thread)
901     {
902         close( PRIVATE(data)->sync_pipe[1] );
903         WaitForSingleObject( PRIVATE(data)->input_thread, INFINITE );
904         CloseHandle( PRIVATE(data)->input_thread );
905     }
906
907     delwin(PRIVATE(data)->pad);
908 #ifdef HAVE_MOUSEMASK
909     {
910         mmask_t mm;
911         mousemask(PRIVATE(data)->initial_mouse_mask, &mm);
912     }
913 #endif
914     endwin();
915
916     HeapFree(GetProcessHeap(), 0, PRIVATE(data)->line);
917     HeapFree(GetProcessHeap(), 0, PRIVATE(data));
918     data->private = NULL;
919 }
920
921 /******************************************************************
922  *              WCCURSES_MainLoop
923  *
924  *
925  */
926 static int WCCURSES_MainLoop(struct inner_data* data)
927 {
928     DWORD id;
929
930     if (pipe( PRIVATE(data)->sync_pipe ) == -1) return 0;
931     PRIVATE(data)->input_thread = CreateThread( NULL, 0, input_thread, data, 0, &id );
932
933     while (WaitForSingleObject(data->hSynchro, INFINITE) == WAIT_OBJECT_0)
934     {
935         if (!WINECON_GrabChanges(data)) break;
936     }
937
938     close( PRIVATE(data)->sync_pipe[1] );
939     WaitForSingleObject( PRIVATE(data)->input_thread, INFINITE );
940     CloseHandle( PRIVATE(data)->input_thread );
941     PRIVATE(data)->input_thread = 0;
942     return 0;
943 }
944
945 /******************************************************************
946  *              WCCURSES_InitBackend
947  *
948  * Initialisation part II: creation of window.
949  *
950  */
951 enum init_return WCCURSES_InitBackend(struct inner_data* data)
952 {
953     if( !WCCURSES_bind_libcurses() )
954         return init_failed;
955
956     data->private = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct inner_data_curse));
957     if (!data->private) return init_failed;
958
959     data->fnMainLoop           = WCCURSES_MainLoop;
960     data->fnPosCursor          = WCCURSES_PosCursor;
961     data->fnShapeCursor        = WCCURSES_ShapeCursor;
962     data->fnComputePositions   = WCCURSES_ComputePositions;
963     data->fnRefresh            = WCCURSES_Refresh;
964     data->fnResizeScreenBuffer = WCCURSES_ResizeScreenBuffer;
965     data->fnSetTitle           = WCCURSES_SetTitle;
966     data->fnScroll             = WCCURSES_Scroll;
967     data->fnSetFont            = WCCURSES_SetFont;
968     data->fnDeleteBackend      = WCCURSES_DeleteBackend;
969     data->hWnd                 = NULL;
970
971     /* FIXME: should find a good way to enable buffer scrolling
972      * For the time being, setting this to 1 will allow scrolling up/down 
973      * on buffer with F11/F12.
974      */
975     /* PRIVATE(data)->allow_scroll = 1; */
976
977     initscr();
978
979     /* creating the basic colors - FIXME intensity not handled yet */
980     if (has_colors())
981     {
982         int i, j;
983
984         start_color();
985         for (i = 0; i < 8; i++)
986             for (j = 0; j < 8; j++)
987                 init_pair(i | (j << 3), i, j);
988     }
989
990     raw();
991     noecho();
992     intrflush(stdscr, FALSE);
993     nodelay(stdscr, TRUE);
994     keypad(stdscr, TRUE);
995 #ifdef HAVE_MOUSEMASK
996     if (data->curcfg.quick_edit)
997     {
998         mmask_t mm;
999         mousemask(BUTTON1_PRESSED|BUTTON1_RELEASED|
1000                   BUTTON2_PRESSED|BUTTON2_RELEASED|
1001                   BUTTON3_PRESSED|BUTTON3_RELEASED|
1002                   BUTTON_SHIFT|BUTTON_CTRL|BUTTON_ALT|REPORT_MOUSE_POSITION,
1003                   &mm);
1004         /* no click event generation... we just need button up/down events
1005          * it doesn't seem that mouseinterval(-1) behaves as documented... 
1006          * 0 seems to be better value to disable click event generation
1007          */
1008         mouseinterval(0);
1009         PRIVATE(data)->initial_mouse_mask = mm;
1010     }
1011     else
1012     {
1013         mmask_t mm;
1014         mousemask(0, &mm);
1015         PRIVATE(data)->initial_mouse_mask = mm;
1016     }
1017 #endif
1018
1019     return init_success;
1020 }
1021
1022 #else
1023 enum init_return WCCURSES_InitBackend(struct inner_data* data)
1024 {
1025     WINE_ERR("(n)curses was not found at configuration time.\n"
1026              "If you want (n)curses support, please install relevant packages.\n");
1027     return init_not_supported;
1028 }
1029 #endif