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1.1 root 1: /* $Id: ciolib.c,v 1.77 2006/09/02 07:25:56 deuce Exp $ */
2:
3: /****************************************************************************
4: * @format.tab-size 4 (Plain Text/Source Code File Header) *
5: * @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) *
6: * *
7: * Copyright 2004 Rob Swindell - http://www.synchro.net/copyright.html *
8: * *
9: * This library is free software; you can redistribute it and/or *
10: * modify it under the terms of the GNU Lesser General Public License *
11: * as published by the Free Software Foundation; either version 2 *
12: * of the License, or (at your option) any later version. *
13: * See the GNU Lesser General Public License for more details: lgpl.txt or *
14: * http://www.fsf.org/copyleft/lesser.html *
15: * *
16: * Anonymous FTP access to the most recent released source is available at *
17: * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net *
18: * *
19: * Anonymous CVS access to the development source and modification history *
20: * is available at cvs.synchro.net:/cvsroot/sbbs, example: *
21: * cvs -d :pserver:[email protected]:/cvsroot/sbbs login *
22: * (just hit return, no password is necessary) *
23: * cvs -d :pserver:[email protected]:/cvsroot/sbbs checkout src *
24: * *
25: * For Synchronet coding style and modification guidelines, see *
26: * http://www.synchro.net/source.html *
27: * *
28: * You are encouraged to submit any modifications (preferably in Unix diff *
29: * format) via e-mail to [email protected] *
30: * *
31: * Note: If this box doesn't appear square, then you need to fix your tabs. *
32: ****************************************************************************/
33:
34: /* Icon file! */
35: #ifdef __BORLANDC__
36: #pragma resource "ciolib.res"
37: #endif
38:
39: #include <stdarg.h>
40: #include <stdlib.h> /* alloca */
41: #include <stdio.h>
42: #if defined(_WIN32)
43: #include <malloc.h> /* alloca() on Win32 */
44: #endif
45:
46: #include <threadwrap.h>
47:
48: #define CIOLIB_NO_MACROS
49: #include "ciolib.h"
50:
51: #ifdef WITH_SDL
52: #include "sdl_con.h"
53: #endif
54: #ifdef _WIN32
55: #include "win32cio.h"
56: #else
57: #ifndef NO_X
58: #include "x_cio.h"
59: #endif
60: #include "curs_cio.h"
61: #undef getch
62: #endif
63:
64: #include "ansi_cio.h"
65:
66: CIOLIBEXPORT cioapi_t cio_api;
67:
68: static int ungotch;
69: static struct text_info cio_textinfo;
70: static int lastmode=3;
71: CIOLIBEXPORT int _wscroll=1;
72: CIOLIBEXPORT int directvideo=0;
73: CIOLIBEXPORT int hold_update=0;
74: CIOLIBEXPORT int puttext_can_move=0;
75: static int initialized=0;
76:
77: CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy);
78: CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str);
79: CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...);
80: CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void);
81: CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void);
82: CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void);
83: CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch);
84: CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info);
85: CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void);
86: CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void);
87: CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void);
88: CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y);
89: CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void);
90: CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void);
91: CIOLIBEXPORT int CIOLIBCALL ciolib_cputs(char *str);
92: CIOLIBEXPORT int CIOLIBCALL ciolib_cprintf(char *fmat, ...);
93: CIOLIBEXPORT void CIOLIBCALL ciolib_textbackground(int colour);
94: CIOLIBEXPORT void CIOLIBCALL ciolib_textcolor(int colour);
95: CIOLIBEXPORT void CIOLIBCALL ciolib_highvideo(void);
96: CIOLIBEXPORT void CIOLIBCALL ciolib_lowvideo(void);
97: CIOLIBEXPORT void CIOLIBCALL ciolib_normvideo(void);
98: CIOLIBEXPORT int CIOLIBCALL ciolib_puttext(int a,int b,int c,int d,unsigned char *e);
99: CIOLIBEXPORT int CIOLIBCALL ciolib_gettext(int a,int b,int c,int d,unsigned char *e);
100: CIOLIBEXPORT void CIOLIBCALL ciolib_textattr(int a);
101: CIOLIBEXPORT void CIOLIBCALL ciolib_delay(long a);
102: CIOLIBEXPORT int CIOLIBCALL ciolib_putch(int a);
103: CIOLIBEXPORT void CIOLIBCALL ciolib_setcursortype(int a);
104: CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode);
105: CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey);
106: CIOLIBEXPORT void CIOLIBCALL ciolib_delline(void);
107: CIOLIBEXPORT void CIOLIBCALL ciolib_insline(void);
108: CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt);
109: CIOLIBEXPORT void CIOLIBCALL ciolib_copytext(const char *text, size_t buflen);
110: CIOLIBEXPORT char * CIOLIBCALL ciolib_getcliptext(void);
111:
112: #define CIOLIB_INIT() { if(initialized != 1) initciolib(CIOLIB_MODE_AUTO); }
113:
114: #ifdef WITH_SDL
115: int try_sdl_init(int mode)
116: {
117: if(!sdl_initciolib(mode)) {
118: cio_api.mouse=1;
119: cio_api.puttext=sdl_puttext;
120: cio_api.gettext=sdl_gettext;
121: cio_api.textattr=sdl_textattr;
122: cio_api.kbhit=sdl_kbhit;
123: cio_api.delay=sdl_delay;
124: cio_api.wherey=sdl_wherey;
125: cio_api.wherex=sdl_wherex;
126: cio_api.putch=sdl_putch;
127: cio_api.gotoxy=sdl_gotoxy;
128: cio_api.gettextinfo=sdl_gettextinfo;
129: cio_api.setcursortype=sdl_setcursortype;
130: cio_api.getch=sdl_getch;
131: cio_api.getche=sdl_getche;
132: cio_api.textmode=sdl_textmode;
133: cio_api.showmouse=sdl_showmouse;
134: cio_api.hidemouse=sdl_hidemouse;
135: cio_api.setname=sdl_setname;
136: cio_api.settitle=sdl_settitle;
137: #ifdef _WIN32
138: cio_api.copytext=win32_copytext;
139: cio_api.getcliptext=win32_getcliptext;
140: #else
141: cio_api.copytext=sdl_copytext;
142: cio_api.getcliptext=sdl_getcliptext;
143: #endif
144: cio_api.setfont=sdl_setfont;
145: cio_api.getfont=sdl_getfont;
146: cio_api.loadfont=sdl_loadfont;
147: return(1);
148: }
149: return(0);
150: }
151: #endif
152:
153: #ifndef _WIN32
154: #ifndef NO_X
155: int try_x_init(int mode)
156: {
157: if(!console_init()) {
158: cio_api.mode=CIOLIB_MODE_X;
159: cio_api.mouse=1;
160: cio_api.puttext=x_puttext;
161: cio_api.gettext=x_gettext;
162: cio_api.textattr=x_textattr;
163: cio_api.kbhit=x_kbhit;
164: cio_api.delay=x_delay;
165: cio_api.wherey=x_wherey;
166: cio_api.wherex=x_wherex;
167: cio_api.putch=x_putch;
168: cio_api.gotoxy=x_gotoxy;
169: cio_api.gettextinfo=x_gettextinfo;
170: cio_api.setcursortype=x_setcursortype;
171: cio_api.getch=x_getch;
172: cio_api.getche=x_getche;
173: cio_api.textmode=x_textmode;
174: cio_api.setname=x_setname;
175: cio_api.settitle=x_settitle;
176: cio_api.copytext=x_copytext;
177: cio_api.getcliptext=x_getcliptext;
178: cio_api.setfont=x_setfont;
179: cio_api.getfont=x_getfont;
180: cio_api.loadfont=x_loadfont;
181: return(1);
182: }
183: return(0);
184: }
185: #endif
186:
187: int try_curses_init(int mode)
188: {
189: if(curs_initciolib(mode)) {
190: cio_api.mode=CIOLIB_MODE_CURSES_IBM;
191: cio_api.puttext=curs_puttext;
192: cio_api.gettext=curs_gettext;
193: cio_api.textattr=curs_textattr;
194: cio_api.kbhit=curs_kbhit;
195: cio_api.delay=curs_delay;
196: cio_api.wherey=curs_wherey;
197: cio_api.wherex=curs_wherex;
198: cio_api.putch=curs_putch;
199: cio_api.gotoxy=curs_gotoxy;
200: cio_api.gettextinfo=curs_gettextinfo;
201: cio_api.setcursortype=curs_setcursortype;
202: cio_api.getch=curs_getch;
203: cio_api.getche=curs_getche;
204: cio_api.textmode=curs_textmode;
205: cio_api.showmouse=curs_showmouse;
206: cio_api.hidemouse=curs_hidemouse;
207: cio_api.suspend=curs_suspend;
208: cio_api.resume=curs_resume;
209: #ifdef NCURSES_VERSION_MAJOR
210: cio_api.ESCDELAY=&ESCDELAY;
211: #endif
212: return(1);
213: }
214: return(0);
215: }
216: #endif
217:
218: int try_ansi_init(int mode)
219: {
220: if(ansi_initciolib(mode)) {
221: cio_api.mode=CIOLIB_MODE_ANSI;
222: cio_api.mouse=0;
223: cio_api.puttext=ansi_puttext;
224: cio_api.gettext=ansi_gettext;
225: cio_api.textattr=ansi_textattr;
226: cio_api.kbhit=ansi_kbhit;
227: cio_api.delay=ansi_delay;
228: cio_api.wherey=ansi_wherey;
229: cio_api.wherex=ansi_wherex;
230: cio_api.putch=ansi_putch;
231: cio_api.gotoxy=ansi_gotoxy;
232: cio_api.gettextinfo=ansi_gettextinfo;
233: cio_api.setcursortype=ansi_setcursortype;
234: cio_api.getch=ansi_getch;
235: cio_api.getche=ansi_getche;
236: cio_api.textmode=ansi_textmode;
237: cio_api.ESCDELAY=&CIOLIB_ANSI_TIMEOUT;
238: return(1);
239: }
240: return(0);
241: }
242:
243: #ifdef _WIN32
244: #if defined(__BORLANDC__)
245: #pragma argsused
246: #endif
247: int try_conio_init(int mode)
248: {
249: /* This should test for something or other */
250: if(win32_initciolib(mode)) {
251: cio_api.mode=CIOLIB_MODE_CONIO;
252: cio_api.mouse=1;
253: cio_api.puttext=win32_puttext;
254: cio_api.gettext=win32_gettext;
255: cio_api.textattr=win32_textattr;
256: cio_api.kbhit=win32_kbhit;
257: cio_api.delay=win32_delay;
258: cio_api.wherey=win32_wherey;
259: cio_api.wherex=win32_wherex;
260: cio_api.putch=win32_putch;
261: cio_api.gotoxy=win32_gotoxy;
262: cio_api.gettextinfo=win32_gettextinfo;
263: cio_api.setcursortype=win32_setcursortype;
264: cio_api.getch=win32_getch;
265: cio_api.getche=win32_getche;
266: cio_api.textmode=win32_textmode;
267: cio_api.showmouse=win32_showmouse;
268: cio_api.hidemouse=win32_hidemouse;
269: cio_api.setname=win32_settitle;
270: cio_api.settitle=win32_settitle;
271: cio_api.copytext=win32_copytext;
272: cio_api.getcliptext=win32_getcliptext;
273: cio_api.suspend=win32_suspend;
274: cio_api.resume=win32_resume;
275: return(1);
276: }
277: return(0);
278: }
279: #endif
280:
281: CIOLIBEXPORT void CIOLIBCALL suspendciolib(void)
282: {
283: ciolib_clrscr();
284: if(cio_api.suspend != NULL)
285: cio_api.suspend();
286: initialized=-1;
287: }
288:
289: CIOLIBEXPORT int CIOLIBCALL initciolib(int mode)
290: {
291: switch(initialized) {
292: case 1:
293: return(0);
294: case -1:
295: initialized=1;
296: if(cio_api.resume != NULL)
297: cio_api.resume();
298: ciolib_clrscr();
299: return(0);
300: }
301:
302: memset(&cio_api,0,sizeof(cio_api));
303:
304: switch(mode) {
305: case CIOLIB_MODE_AUTO:
306: #ifdef WITH_SDL
307: if(!try_sdl_init(mode))
308: #endif
309: #ifdef _WIN32
310: if(!try_conio_init(mode))
311: #else
312: #ifndef NO_X
313: if(!try_x_init(mode))
314: #endif
315: if(!try_curses_init(mode))
316: #endif
317: try_ansi_init(mode);
318: break;
319: #ifdef _WIN32
320: case CIOLIB_MODE_CONIO:
321: try_conio_init(mode);
322: break;
323: #else
324: case CIOLIB_MODE_CURSES:
325: case CIOLIB_MODE_CURSES_IBM:
326: try_curses_init(mode);
327: break;
328:
329: case CIOLIB_MODE_X:
330: #ifndef NO_X
331: try_x_init(mode);
332: #endif
333: break;
334: #endif
335: case CIOLIB_MODE_ANSI:
336: try_ansi_init(mode);
337: break;
338:
339: #ifdef WITH_SDL
340: case CIOLIB_MODE_SDL:
341: case CIOLIB_MODE_SDL_FULLSCREEN:
342: try_sdl_init(mode);
343: break;
344: #endif
345: }
346: if(cio_api.mode==CIOLIB_MODE_AUTO) {
347: fprintf(stderr,"CIOLIB initialization failed!\n");
348: return(-1);
349: }
350:
351: initialized=1;
352: ciolib_gettextinfo(&cio_textinfo);
353: cio_textinfo.winleft=1;
354: cio_textinfo.wintop=1;
355: cio_textinfo.winright=cio_textinfo.screenwidth;
356: cio_textinfo.winbottom=cio_textinfo.screenheight;
357: cio_textinfo.normattr=7;
358: _beginthread(ciolib_mouse_thread,0,NULL);
359: return(0);
360: }
361:
362: CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void)
363: {
364: CIOLIB_INIT();
365: if(ungotch)
366: return(1);
367: return(cio_api.kbhit());
368: }
369:
370: CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void)
371: {
372: int ch;
373:
374: CIOLIB_INIT();
375:
376: if(ungotch) {
377: ch=ungotch;
378: ungotch=0;
379: return(ch);
380: }
381: return(cio_api.getch());
382: }
383:
384: CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void)
385: {
386: int ch;
387:
388: CIOLIB_INIT();
389:
390: if(ungotch) {
391: ch=ungotch;
392: ungotch=0;
393: ciolib_putch(ch);
394: return(ch);
395: }
396: return(cio_api.getche());
397: }
398:
399: CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch)
400: {
401: CIOLIB_INIT();
402:
403: if(ungotch)
404: return(EOF);
405: ungotch=ch;
406: return(ch);
407: }
408:
409: CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy)
410: {
411: int width;
412: int height;
413: unsigned char *buf;
414:
415: CIOLIB_INIT();
416:
417: if(cio_api.movetext != NULL)
418: return(cio_api.movetext(sx, sy, ex, ey, dx, dy));
419:
420: width=ex-sx;
421: height=ey-sy;
422: buf=(unsigned char *)alloca((width+1)*(height+1)*2);
423: if(buf==NULL)
424: return(0);
425: if(!ciolib_gettext(sx,sy,ex,ey,buf))
426: return(0);
427: if(!ciolib_puttext(dx,dy,dx+width,dy+height,buf))
428: return(0);
429: return(1);
430: }
431:
432: CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str)
433: {
434: int maxlen;
435: int len=0;
436: int ch;
437:
438: CIOLIB_INIT();
439:
440: maxlen=*(unsigned char *)str;
441: while((ch=ciolib_getch())!='\n' && ch !='\r') {
442: switch(ch) {
443: case 0: /* Skip extended keys */
444: ciolib_getche();
445: break;
446: case '\r': /* Skip \r (ToDo: Should this be treated as a \n? */
447: break;
448: case '\b':
449: if(len==0) {
450: ciolib_putch(7);
451: break;
452: }
453: ciolib_putch('\b');
454: len--;
455: break;
456: default:
457: ciolib_putch(ch);
458: str[(len++)+2]=ch;
459: if(len==maxlen) {
460: str[len+2]=0;
461: *((unsigned char *)(str+1))=(unsigned char)len;
462: ciolib_putch('\r');
463: ciolib_putch('\n');
464: return(&str[2]);
465: }
466: break;
467: }
468: }
469: str[len+2]=0;
470: *((unsigned char *)(str+1))=(unsigned char)len;
471: ciolib_putch('\r');
472: ciolib_putch('\n');
473: return(&str[2]);
474: }
475:
476: #ifdef _MSC_VER /* Use lame vsscanf() implementation */
477: /* This is a way to do _vsscanf without using fancy stack tricks or using the
478: * "_input" method provided by Microsoft, which is no longer exported as of .NET.
479: * The function has a limit of 25 arguments (or less if you run out of stack space),
480: * but how many arguments do you need?
481: */
482: /* From "krabsheva" - http://www.codeguru.com/Cpp/Cpp/string/comments.php/c5631/?thread=1051 */
483: int vsscanf( const char *buffer, const char *format, va_list arg_ptr )
484: {
485: int i, ret;
486: void *arg_arr[25];
487:
488: /* Do exception handling in case we go too far // */
489: __try
490: {
491: for ( i = 0; i < 25; i++ )
492: arg_arr[i] = va_arg( arg_ptr, void * );
493: }
494: __except( EXCEPTION_EXECUTE_HANDLER )
495: {
496: }
497:
498: /* This is lame, but the extra arguments won't be used by sscanf */
499: ret = sscanf( buffer, format, arg_arr[0], arg_arr[1], arg_arr[2], arg_arr[3],
500: arg_arr[4], arg_arr[5], arg_arr[6], arg_arr[7], arg_arr[8], arg_arr[9],
501: arg_arr[10], arg_arr[11], arg_arr[12], arg_arr[13], arg_arr[14],
502: arg_arr[15], arg_arr[16], arg_arr[17], arg_arr[18], arg_arr[19],
503: arg_arr[20], arg_arr[21], arg_arr[22], arg_arr[23], arg_arr[24] );
504:
505: return ret;
506: }
507: #endif
508:
509: CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...)
510: {
511: char str[255];
512: va_list argptr;
513: int ret;
514:
515: CIOLIB_INIT();
516:
517: str[0]=-1;
518: va_start(argptr,format);
519: ret=vsscanf(ciolib_cgets(str),format,argptr);
520: va_end(argptr);
521: return(ret);
522: }
523:
524: CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt)
525: {
526: static char pass[9];
527: int len=0;
528: int ch;
529:
530: CIOLIB_INIT();
531:
532: ciolib_cputs((char *)prompt);
533: while((ch=ciolib_getch())!='\n') {
534: switch(ch) {
535: case 0: /* Skip extended keys */
536: ciolib_getch();
537: break;
538: case '\r': /* Skip \r (ToDo: Should this be treeated as a \n? */
539: break;
540: case '\b':
541: if(len==0) {
542: ciolib_putch(7);
543: break;
544: }
545: len--;
546: break;
547: default:
548: if(len==8)
549: ciolib_putch(7);
550: else
551: pass[len++]=ch;
552: break;
553: }
554: }
555: pass[len]=0;
556: return(pass);
557: }
558:
559: CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info)
560: {
561: if(!initialized)
562: initciolib(CIOLIB_MODE_AUTO);
563: else {
564: cio_api.gettextinfo(&cio_textinfo);
565: }
566: if(info!=&cio_textinfo) {
567: info->winleft=cio_textinfo.winleft; /* left window coordinate */
568: info->wintop=cio_textinfo.wintop; /* top window coordinate */
569: info->winright=cio_textinfo.winright; /* right window coordinate */
570: info->winbottom=cio_textinfo.winbottom; /* bottom window coordinate */
571: info->attribute=cio_textinfo.attribute; /* text attribute */
572: info->normattr=cio_textinfo.normattr; /* normal attribute */
573: info->currmode=cio_textinfo.currmode; /* current video mode:
574: BW40, BW80, C40, C80, or C4350 */
575: info->screenheight=cio_textinfo.screenheight; /* text screen's height */
576: info->screenwidth=cio_textinfo.screenwidth; /* text screen's width */
577: info->curx=cio_textinfo.curx-cio_textinfo.winleft+1; /* x-coordinate in current window */
578: info->cury=cio_textinfo.cury-cio_textinfo.wintop+1; /* y-coordinate in current window */
579: }
580: }
581:
582: CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void)
583: {
584: int os;
585: struct text_info ti;
586:
587: CIOLIB_INIT();
588:
589: if(cio_api.wscroll!=NULL) {
590: cio_api.wscroll();
591: return;
592: }
593: ciolib_gettextinfo(&ti);
594: if(!_wscroll)
595: return;
596: ciolib_movetext(ti.winleft,ti.wintop+1,ti.winright,ti.winbottom,ti.winleft,ti.wintop);
597: ciolib_gotoxy(1,ti.winbottom-ti.wintop+1);
598: os=_wscroll;
599: _wscroll=0;
600: /* ciolib_cprintf("%*s",ti.winright-ti.winleft+1,""); */
601: ciolib_clreol();
602: _wscroll=os;
603: ciolib_gotoxy(ti.curx,ti.cury);
604: }
605:
606: CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void)
607: {
608: int x;
609:
610: CIOLIB_INIT();
611:
612: x=cio_api.wherex();
613: x=x-cio_textinfo.winleft+1;
614: return(x);
615: }
616:
617: CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void)
618: {
619: int y;
620:
621: CIOLIB_INIT();
622:
623: y=cio_api.wherey();
624: y=y-cio_textinfo.wintop+1;
625: return(y);
626: }
627:
628: CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y)
629: {
630: int nx;
631: int ny;
632: struct text_info ti;
633:
634: CIOLIB_INIT();
635:
636: ciolib_gettextinfo(&ti);
637: if( x < 1
638: || x > ti.winright-ti.winleft+1
639: || y < 1
640: || y > ti.winbottom-ti.wintop+1)
641: return;
642: nx=x+ti.winleft-1;
643: ny=y+ti.wintop-1;
644: cio_api.gotoxy(nx,ny);
645: }
646:
647: CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode)
648: {
649: CIOLIB_INIT();
650:
651: if(mode==-1) {
652: ciolib_gettextinfo(&cio_textinfo);
653: cio_api.textmode(lastmode);
654: lastmode=cio_textinfo.currmode;
655: }
656: else {
657: ciolib_gettextinfo(&cio_textinfo);
658: lastmode=cio_textinfo.currmode;
659: cio_api.textmode(mode);
660: }
661: ciolib_gettextinfo(&cio_textinfo);
662: cio_textinfo.winleft=1;
663: cio_textinfo.wintop=1;
664: cio_textinfo.winright=cio_textinfo.screenwidth;
665: cio_textinfo.winbottom=cio_textinfo.screenheight;
666: }
667:
668: CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey)
669: {
670: CIOLIB_INIT();
671:
672: ciolib_gettextinfo(&cio_textinfo);
673: if( sx < 1
674: || sy < 1
675: || ex < 1
676: || ey < 1
677: || sx > cio_textinfo.screenwidth
678: || sy > cio_textinfo.screenheight
679: || sx > ex
680: || sy > ey
681: || ex > cio_textinfo.screenwidth
682: || ey > cio_textinfo.screenheight)
683: return;
684: cio_textinfo.winleft=sx;
685: cio_textinfo.wintop=sy;
686: cio_textinfo.winright=ex;
687: cio_textinfo.winbottom=ey;
688: ciolib_gotoxy(1,1);
689: }
690:
691: CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void)
692: {
693: unsigned char *buf;
694: int i;
695: int width,height;
696: struct text_info ti;
697:
698: CIOLIB_INIT();
699:
700: ciolib_gettextinfo(&ti);
701:
702: width=ti.winright-ti.winleft+1-ti.curx+1;
703: height=1;
704: buf=(unsigned char *)alloca(width*height*2);
705: for(i=0;i<width*height*2;) {
706: buf[i++]=' ';
707: buf[i++]=ti.attribute;
708: }
709: ciolib_puttext(ti.curx+ti.winleft-1,ti.cury+ti.wintop-1,ti.winright,ti.cury+ti.wintop-1,buf);
710: }
711:
712: CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void)
713: {
714: unsigned char *buf;
715: int i;
716: int width,height;
717: struct text_info ti;
718:
719: CIOLIB_INIT();
720:
721: ciolib_gettextinfo(&ti);
722:
723: width=ti.winright-ti.winleft+1;
724: height=ti.winbottom-ti.wintop+1;
725: buf=(unsigned char *)alloca(width*height*2);
726: for(i=0;i<width*height*2;) {
727: buf[i++]=' ';
728: buf[i++]=ti.attribute;
729: }
730: ciolib_puttext(ti.winleft,ti.wintop,ti.winright,ti.winbottom,buf);
731: ciolib_gotoxy(1,1);
732: }
733:
734: CIOLIBEXPORT void CIOLIBCALL ciolib_delline(void)
735: {
736: struct text_info ti;
737:
738: CIOLIB_INIT();
739:
740: ciolib_gettextinfo(&ti);
741:
742: ciolib_movetext(ti.winleft,ti.cury+1,ti.winright,ti.winbottom,ti.winleft,ti.cury);
743: ciolib_gotoxy(1,ti.winbottom-ti.wintop+1);
744: ciolib_clreol();
745: ciolib_gotoxy(ti.curx,ti.cury);
746: }
747:
748: CIOLIBEXPORT void CIOLIBCALL ciolib_insline(void)
749: {
750: struct text_info ti;
751:
752: CIOLIB_INIT();
753:
754: ciolib_gettextinfo(&ti);
755:
756: ciolib_movetext(ti.winleft,ti.cury,ti.winright,ti.winbottom,ti.winleft,ti.cury+1);
757: ciolib_gotoxy(1,ti.cury);
758: ciolib_clreol();
759: ciolib_gotoxy(ti.curx,ti.cury);
760: }
761:
762: CIOLIBEXPORT int CIOLIBCALL ciolib_cprintf(char *fmat, ...)
763: {
764: va_list argptr;
765: int ret;
766: #ifdef _MSC_VER /* Can't figure out a way to allocate a "big enough" buffer for Win32. */
767: char str[16384];
768: #else
769: char *str;
770: #endif
771:
772: CIOLIB_INIT();
773:
774: va_start(argptr,fmat);
775: #ifdef _MSC_VER
776: ret=_vsnprintf(str,sizeof(str)-1,fmat,argptr);
777: #else
778: ret=vsnprintf(NULL,0,fmat,argptr);
779: if(ret<0)
780: return(EOF);
781: str=(char *)alloca(ret+1);
782: if(str==NULL)
783: return(EOF);
784: ret=vsprintf(str,fmat,argptr);
785: #endif
786: va_end(argptr);
787: if(ret>=0)
788: ciolib_cputs(str);
789: else
790: ret=EOF;
791: return(ret);
792: }
793:
794: CIOLIBEXPORT int CIOLIBCALL ciolib_cputs(char *str)
795: {
796: int pos;
797: int ret=0;
798: int olddmc;
799:
800: CIOLIB_INIT();
801:
802: olddmc=hold_update;
803: hold_update=1;
804: for(pos=0;str[pos];pos++)
805: {
806: ret=str[pos];
807: if(str[pos]=='\n')
808: ciolib_putch('\r');
809: ciolib_putch(str[pos]);
810: }
811: hold_update=olddmc;
812: ciolib_gotoxy(ciolib_wherex(),ciolib_wherey());
813: return(ret);
814: }
815:
816: CIOLIBEXPORT void CIOLIBCALL ciolib_textbackground(int colour)
817: {
818: unsigned char attr;
819: unsigned char col;
820:
821: CIOLIB_INIT();
822:
823: ciolib_gettextinfo(&cio_textinfo);
824: attr=cio_textinfo.attribute;
825: attr&=143;
826: col=(colour & 0x07);
827: attr|=(col<<4);
828: ciolib_textattr(attr);
829: }
830:
831: CIOLIBEXPORT void CIOLIBCALL ciolib_textcolor(int colour)
832: {
833: unsigned char attr;
834: unsigned char col;
835:
836: CIOLIB_INIT();
837:
838: ciolib_gettextinfo(&cio_textinfo);
839: attr=cio_textinfo.attribute;
840: attr&=240;
841: col=colour&0x0f;
842: attr|=col;
843: ciolib_textattr(attr);
844: }
845:
846: CIOLIBEXPORT void CIOLIBCALL ciolib_highvideo(void)
847: {
848: int attr;
849:
850: CIOLIB_INIT();
851:
852: ciolib_gettextinfo(&cio_textinfo);
853: attr=cio_textinfo.attribute;
854: attr |= 8;
855: ciolib_textattr(attr);
856: }
857:
858: CIOLIBEXPORT void CIOLIBCALL ciolib_lowvideo(void)
859: {
860: int attr;
861:
862: CIOLIB_INIT();
863:
864: ciolib_gettextinfo(&cio_textinfo);
865: attr=cio_textinfo.attribute;
866: attr &= 0xf7;
867: ciolib_textattr(attr);
868: }
869:
870: CIOLIBEXPORT void CIOLIBCALL ciolib_normvideo(void)
871: {
872: CIOLIB_INIT();
873:
874: ciolib_textattr(0x07);
875: }
876:
877: CIOLIBEXPORT int CIOLIBCALL ciolib_puttext(int a,int b,int c,int d,unsigned char *e)
878: {
879: CIOLIB_INIT();
880:
881: return(cio_api.puttext(a,b,c,d,e));
882: }
883:
884: CIOLIBEXPORT int CIOLIBCALL ciolib_gettext(int a,int b,int c,int d,unsigned char *e)
885: {
886: CIOLIB_INIT();
887:
888: return(cio_api.gettext(a,b,c,d,e));
889: }
890:
891: CIOLIBEXPORT void CIOLIBCALL ciolib_textattr(int a)
892: {
893: CIOLIB_INIT();
894:
895: cio_api.textattr(a);
896: }
897:
898: CIOLIBEXPORT void CIOLIBCALL ciolib_delay(long a)
899: {
900: CIOLIB_INIT();
901:
902: cio_api.delay(a);
903: }
904:
905: CIOLIBEXPORT int CIOLIBCALL ciolib_putch(int a)
906: {
907: unsigned char a1=a;
908: CIOLIB_INIT();
909:
910: if(a1=='\n')
911: return(cio_api.putch(a1));
912: return(cio_api.putch(a1));
913: }
914:
915: CIOLIBEXPORT void CIOLIBCALL ciolib_setcursortype(int a)
916: {
917: CIOLIB_INIT();
918:
919: cio_api.setcursortype(a);
920: }
921:
922: CIOLIBEXPORT int CIOLIBCALL ciolib_showmouse(void) {
923: CIOLIB_INIT();
924:
925: if(cio_api.showmouse!=NULL)
926: return(cio_api.showmouse());
927: return(-1);
928: }
929:
930: CIOLIBEXPORT int CIOLIBCALL ciolib_hidemouse(void) {
931: CIOLIB_INIT();
932:
933: if(cio_api.hidemouse!=NULL)
934: return(cio_api.hidemouse());
935: return(-1);
936: }
937:
938: CIOLIBEXPORT void CIOLIBCALL ciolib_setname(const char *name) {
939: CIOLIB_INIT();
940:
941: if(cio_api.setname!=NULL)
942: cio_api.setname(name);
943: }
944:
945: CIOLIBEXPORT void CIOLIBCALL ciolib_settitle(const char *title) {
946: CIOLIB_INIT();
947:
948: if(cio_api.settitle!=NULL)
949: cio_api.settitle(title);
950: }
951:
952: CIOLIBEXPORT void CIOLIBCALL ciolib_copytext(const char *text, size_t buflen)
953: {
954: CIOLIB_INIT();
955:
956: if(cio_api.copytext!=NULL)
957: cio_api.copytext(text,buflen);
958: }
959:
960: CIOLIBEXPORT char * CIOLIBCALL ciolib_getcliptext(void)
961: {
962: CIOLIB_INIT();
963:
964: if(cio_api.getcliptext!=NULL)
965: return(cio_api.getcliptext());
966: else
967: return(NULL);
968: }
969:
970: CIOLIBEXPORT int CIOLIBCALL ciolib_setfont(int font, int force)
971: {
972: CIOLIB_INIT();
973:
974: if(cio_api.setfont!=NULL)
975: return(cio_api.setfont(font,force));
976: else
977: return(-1);
978: }
979:
980: CIOLIBEXPORT int CIOLIBCALL ciolib_getfont(void)
981: {
982: CIOLIB_INIT();
983:
984: if(cio_api.getfont!=NULL)
985: return(cio_api.getfont());
986: else
987: return(-1);
988: }
989:
990: CIOLIBEXPORT int CIOLIBCALL ciolib_loadfont(char *filename)
991: {
992: CIOLIB_INIT();
993:
994: if(cio_api.loadfont!=NULL)
995: return(cio_api.loadfont(filename));
996: else
997: return(-1);
998: }
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