ciolib.c 19 KB
Newer Older
deuce's avatar
deuce committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/* $Id$ */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
 * Copyright 2004 Rob Swindell - http://www.synchro.net/copyright.html		*
 *																			*
 * This library is free software; you can redistribute it and/or			*
 * modify it under the terms of the GNU Lesser General Public License		*
 * as published by the Free Software Foundation; either version 2			*
 * of the License, or (at your option) any later version.					*
 * See the GNU Lesser General Public License for more details: lgpl.txt or	*
 * http://www.fsf.org/copyleft/lesser.html									*
 *																			*
 * Anonymous FTP access to the most recent released source is available at	*
 * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
 *																			*
 * Anonymous CVS access to the development source and modification history	*
 * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
 *     (just hit return, no password is necessary)							*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
 *																			*
 * For Synchronet coding style and modification guidelines, see				*
 * http://www.synchro.net/source.html										*
 *																			*
 * You are encouraged to submit any modifications (preferably in Unix diff	*
 * format) via e-mail to mods@synchro.net									*
 *																			*
 * Note: If this box doesn't appear square, then you need to fix your tabs.	*
 ****************************************************************************/

34
#include <stdarg.h>
35
#include <stdlib.h>	/* malloc */
36
37
#include <stdio.h>

deuce's avatar
deuce committed
38
39
#include <threadwrap.h>

40
41
42
#define CIOLIB_NO_MACROS
#include "ciolib.h"

43
44
45
#ifdef WITH_SDL
 #include "sdl_con.h"
#endif
deuce's avatar
deuce committed
46
47
48
#ifdef _WIN32
 #include "win32cio.h"
#else
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
 #ifndef NO_X
  #include "x_cio.h"
 #endif
 #include "curs_cio.h"
 #undef getch
#endif

#include "ansi_cio.h"

cioapi_t	cio_api;

static int ungotch;
static struct text_info cio_textinfo;
static int lastmode=3;
int _wscroll=1;
int directvideo=0;
65
int hold_update=0;
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
static int initialized=0;

int ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy);
char *ciolib_cgets(char *str);
int ciolib_cscanf (char *format , ...);
int ciolib_kbhit(void);
int ciolib_getch(void);
int ciolib_getche(void);
int ciolib_ungetch(int ch);
void ciolib_gettextinfo(struct text_info *info);
int ciolib_wherex(void);
int ciolib_wherey(void);
void ciolib_wscroll(void);
void ciolib_gotoxy(int x, int y);
void ciolib_clreol(void);
void ciolib_clrscr(void);
int ciolib_cputs(char *str);
int	ciolib_cprintf(char *fmat, ...);
void ciolib_textbackground(int colour);
void ciolib_textcolor(int colour);
void ciolib_highvideo(void);
void ciolib_lowvideo(void);
void ciolib_normvideo(void);
int ciolib_puttext(int a,int b,int c,int d,unsigned char *e);
int ciolib_gettext(int a,int b,int c,int d,unsigned char *e);
91
void ciolib_textattr(int a);
92
void ciolib_delay(long a);
93
int ciolib_putch(int a);
94
95
96
97
98
99
void ciolib_setcursortype(int a);
void ciolib_textmode(int mode);
void ciolib_window(int sx, int sy, int ex, int ey);
void ciolib_delline(void);
void ciolib_insline(void);
char *ciolib_getpass(const char *prompt);
deuce's avatar
deuce committed
100
101
void ciolib_copytext(const char *text, size_t buflen);
char *ciolib_getcliptext(void);
102

103
104
#define CIOLIB_INIT()		{ if(!initialized) initciolib(CIOLIB_MODE_AUTO); }

105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
#ifdef WITH_SDL
int try_sdl_init(int mode)
{
	if(!sdl_init()) {
		cio_api.mode=CIOLIB_MODE_SDL;
		cio_api.mouse=1;
		cio_api.puttext=sdl_puttext;
		cio_api.gettext=sdl_gettext;
		cio_api.textattr=sdl_textattr;
		cio_api.kbhit=sdl_kbhit;
		cio_api.delay=sdl_delay;
		cio_api.wherey=sdl_wherey;
		cio_api.wherex=sdl_wherex;
		cio_api.putch=sdl_putch;
		cio_api.gotoxy=sdl_gotoxy;
		cio_api.gettextinfo=sdl_gettextinfo;
		cio_api.setcursortype=sdl_setcursortype;
		cio_api.getch=sdl_getch;
		cio_api.getche=sdl_getche;
		cio_api.textmode=sdl_textmode;
		cio_api.showmouse=sdl_showmouse;
		cio_api.hidemouse=sdl_hidemouse;
		cio_api.settitle=sdl_settitle;
		cio_api.copytext=NULL;
		cio_api.getcliptext=NULL;
		return(1);
	}
	return(0);
}
#endif

136
137
138
139
140
#ifndef _WIN32
 #ifndef NO_X
int try_x_init(int mode)
{
	if(!console_init()) {
141
		cio_api.mode=CIOLIB_MODE_X;
deuce's avatar
deuce committed
142
		cio_api.mouse=1;
143
144
145
146
147
148
149
150
151
152
153
154
155
156
		cio_api.puttext=x_puttext;
		cio_api.gettext=x_gettext;
		cio_api.textattr=x_textattr;
		cio_api.kbhit=x_kbhit;
		cio_api.delay=x_delay;
		cio_api.wherey=x_wherey;
		cio_api.wherex=x_wherex;
		cio_api.putch=x_putch;
		cio_api.gotoxy=x_gotoxy;
		cio_api.gettextinfo=x_gettextinfo;
		cio_api.setcursortype=x_setcursortype;
		cio_api.getch=x_getch;
		cio_api.getche=x_getche;
		cio_api.textmode=x_textmode;
deuce's avatar
deuce committed
157
158
		cio_api.showmouse=NULL;
		cio_api.hidemouse=NULL;
159
		cio_api.settitle=x_settitle;
deuce's avatar
deuce committed
160
161
		cio_api.copytext=x_copytext;
		cio_api.getcliptext=x_getcliptext;
162
163
164
165
166
167
168
169
170
		return(1);
	}
	return(0);
}
 #endif

int try_curses_init(int mode)
{
	if(curs_initciolib(mode)) {
171
		cio_api.mode=CIOLIB_MODE_CURSES_IBM;
172
173
174
175
176
177
178
179
180
181
182
183
184
185
		cio_api.puttext=curs_puttext;
		cio_api.gettext=curs_gettext;
		cio_api.textattr=curs_textattr;
		cio_api.kbhit=curs_kbhit;
		cio_api.delay=curs_delay;
		cio_api.wherey=curs_wherey;
		cio_api.wherex=curs_wherex;
		cio_api.putch=curs_putch;
		cio_api.gotoxy=curs_gotoxy;
		cio_api.gettextinfo=curs_gettextinfo;
		cio_api.setcursortype=curs_setcursortype;
		cio_api.getch=curs_getch;
		cio_api.getche=curs_getche;
		cio_api.textmode=curs_textmode;
deuce's avatar
deuce committed
186
187
		cio_api.showmouse=curs_showmouse;
		cio_api.hidemouse=curs_hidemouse;
188
		cio_api.settitle=NULL;
deuce's avatar
deuce committed
189
190
		cio_api.copytext=NULL;
		cio_api.getcliptext=NULL;
191
192
193
194
195
196
197
198
199
		return(1);
	}
	return(0);
}
#endif

int try_ansi_init(int mode)
{
	if(ansi_initciolib(mode)) {
200
		cio_api.mode=CIOLIB_MODE_ANSI;
deuce's avatar
deuce committed
201
		cio_api.mouse=0;
202
203
204
205
206
207
208
209
210
211
212
213
214
215
		cio_api.puttext=ansi_puttext;
		cio_api.gettext=ansi_gettext;
		cio_api.textattr=ansi_textattr;
		cio_api.kbhit=ansi_kbhit;
		cio_api.delay=ansi_delay;
		cio_api.wherey=ansi_wherey;
		cio_api.wherex=ansi_wherex;
		cio_api.putch=ansi_putch;
		cio_api.gotoxy=ansi_gotoxy;
		cio_api.gettextinfo=ansi_gettextinfo;
		cio_api.setcursortype=ansi_setcursortype;
		cio_api.getch=ansi_getch;
		cio_api.getche=ansi_getche;
		cio_api.textmode=ansi_textmode;
deuce's avatar
deuce committed
216
217
		cio_api.showmouse=NULL;
		cio_api.hidemouse=NULL;
218
		cio_api.settitle=NULL;
deuce's avatar
deuce committed
219
220
		cio_api.copytext=NULL;
		cio_api.getcliptext=NULL;
221
222
223
224
225
226
		return(1);
	}
	return(0);
}

#ifdef _WIN32
227
228
229
#if defined(__BORLANDC__)
        #pragma argsused
#endif
230
int try_conio_init(int mode)
231
232
{
	/* This should test for something or other */
233
	if(win32_initciolib(mode)) {
234
		cio_api.mode=CIOLIB_MODE_CONIO;
deuce's avatar
deuce committed
235
		cio_api.mouse=1;
236
237
238
		cio_api.puttext=win32_puttext;
		cio_api.gettext=win32_gettext;
		cio_api.textattr=win32_textattr;
deuce's avatar
deuce committed
239
		cio_api.kbhit=win32_kbhit;
deuce's avatar
deuce committed
240
		cio_api.delay=win32_delay;
241
242
243
244
245
246
		cio_api.wherey=win32_wherey;
		cio_api.wherex=win32_wherex;
		cio_api.putch=win32_putch;
		cio_api.gotoxy=win32_gotoxy;
		cio_api.gettextinfo=win32_gettextinfo;
		cio_api.setcursortype=win32_setcursortype;
deuce's avatar
deuce committed
247
248
		cio_api.getch=win32_getch;
		cio_api.getche=win32_getche;
249
		cio_api.textmode=win32_textmode;
deuce's avatar
deuce committed
250
251
		cio_api.showmouse=win32_showmouse;
		cio_api.hidemouse=win32_hidemouse;
252
		cio_api.settitle=win32_settitle;
deuce's avatar
deuce committed
253
254
		cio_api.copytext=win32_copytext;
		cio_api.getcliptext=win32_getcliptext;
255
256
257
258
259
260
261
262
263
		return(1);
	}
	return(0);
}
#endif

int initciolib(int mode)
{
	switch(mode) {
264
		case CIOLIB_MODE_AUTO:
265
266
267
#ifdef WITH_SDL
			if(!try_sdl_init(mode))
#endif
268
#ifdef _WIN32
269
				if(!try_conio_init(mode))
270
#else
271
#ifndef NO_X
272
				if(!try_x_init(mode))
273
#endif
274
					if(!try_curses_init(mode))
275
#endif
276
						try_ansi_init(mode);
277
278
			break;
#ifdef _WIN32
279
		case CIOLIB_MODE_CONIO:
280
			try_conio_init(mode);
281
282
			break;
#else
283
284
		case CIOLIB_MODE_CURSES:
		case CIOLIB_MODE_CURSES_IBM:
285
286
			try_curses_init(mode);
			break;
287

288
		case CIOLIB_MODE_X:
289
#ifndef NO_X
290
			try_x_init(mode);
291
#endif
292
293
			break;
#endif
294
		case CIOLIB_MODE_ANSI:
295
296
			try_ansi_init(mode);
			break;
297
298
299
300
301
302

#ifdef WITH_SDL
		case CIOLIB_MODE_SDL:
			try_sdl_init(mode);
			break;
#endif
303
	}
304
	if(cio_api.mode==CIOLIB_MODE_AUTO) {
deuce's avatar
deuce committed
305
		fprintf(stderr,"CIOLIB initialization failed!\n");
306
307
308
309
310
311
312
313
314
315
		return(-1);
	}

	initialized=1;
	ciolib_gettextinfo(&cio_textinfo);
	cio_textinfo.winleft=1;
	cio_textinfo.wintop=1;
	cio_textinfo.winright=cio_textinfo.screenwidth;
	cio_textinfo.winbottom=cio_textinfo.screenheight;
	cio_textinfo.normattr=7;
deuce's avatar
deuce committed
316
	_beginthread(ciolib_mouse_thread,0,NULL);
317
318
319
320
321
	return(0);
}

int ciolib_kbhit(void)
{
322
	CIOLIB_INIT();
323
324
325
326
327
328
329
330
331
	if(ungotch)
		return(1);
	return(cio_api.kbhit());
}

int ciolib_getch(void)
{
	int ch;

332
333
	CIOLIB_INIT();

334
335
336
337
338
339
340
341
342
343
344
345
	if(ungotch) {
		ch=ungotch;
		ungotch=0;
		return(ch);
	}
	return(cio_api.getch());
}

int ciolib_getche(void)
{
	int ch;

346
347
	CIOLIB_INIT();

348
349
350
351
352
353
354
355
356
357
358
	if(ungotch) {
		ch=ungotch;
		ungotch=0;
		ciolib_putch(ch);
		return(ch);
	}
	return(cio_api.getche());
}

int ciolib_ungetch(int ch)
{
359
360
	CIOLIB_INIT();
	
361
362
363
364
365
366
367
368
369
370
	if(ungotch)
		return(EOF);
	ungotch=ch;
	return(ch);
}

int ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy)
{
	int width;
	int height;
371
	unsigned char *buf;
372

373
374
	CIOLIB_INIT();
	
375
376
	width=ex-sx;
	height=ey-sy;
377
	buf=(unsigned char *)malloc((width+1)*(height+1)*2);
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
	if(buf==NULL)
		return(0);
	if(!ciolib_gettext(sx,sy,ex,ey,buf)) {
		free(buf);
		return(0);
	}
	if(!ciolib_puttext(dx,dy,dx+width,dy+height,buf)) {
		free(buf);
		return(0);
	}
	free(buf);
	return(1);
}

char *ciolib_cgets(char *str)
{
	int	maxlen;
	int len=0;
	int ch;

398
399
	CIOLIB_INIT();
	
400
	maxlen=*(unsigned char *)str;
deuce's avatar
deuce committed
401
	while((ch=ciolib_getche())!='\n' && ch !='\r') {
402
403
		switch(ch) {
			case 0:	/* Skip extended keys */
404
				ciolib_getche();
405
				break;
deuce's avatar
deuce committed
406
			case '\r':	/* Skip \r (ToDo: Should this be treated as a \n? */
407
408
409
				break;
			case '\b':
				if(len==0) {
410
					ciolib_putch(7);
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
					break;
				}
				ciolib_putch('\b');
				len--;
				break;
			default:
				str[(len++)+2]=ch;
				if(len==maxlen) {
					str[len+2]=0;
					*((unsigned char *)(str+1))=(unsigned char)len;
					return(&str[2]);
				}
				break;
		}
	}
426
427
428
	str[len+2]=0;
	*((unsigned char *)(str+1))=(unsigned char)len;
	return(&str[2]);
429
430
}

431
432
433
434
435
436
437
438
439
440
441
442
#ifdef _MSC_VER	/* Use lame vsscanf() implementation */
/* This is a way to do _vsscanf without using fancy stack tricks or using the
 * "_input" method provided by Microsoft, which is no longer exported as of .NET.
 * The function has a limit of 25 arguments (or less if you run out of stack space),
 *  but how many arguments do you need?
 */
/* From "krabsheva" - http://www.codeguru.com/Cpp/Cpp/string/comments.php/c5631/?thread=1051 */
int vsscanf( const char *buffer, const char *format, va_list arg_ptr )
{
	int i, ret;
	void *arg_arr[25];

443
	/* Do exception handling in case we go too far // */
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
	__try
	{
		for ( i = 0; i < 25; i++ )
			arg_arr[i] = va_arg( arg_ptr, void * );
	}
	__except( EXCEPTION_EXECUTE_HANDLER )
	{
	}

	/* This is lame, but the extra arguments won't be used by sscanf */
	ret = sscanf( buffer, format, arg_arr[0], arg_arr[1], arg_arr[2], arg_arr[3],
		arg_arr[4], arg_arr[5], arg_arr[6], arg_arr[7], arg_arr[8], arg_arr[9],
		arg_arr[10], arg_arr[11], arg_arr[12], arg_arr[13], arg_arr[14],
		arg_arr[15], arg_arr[16], arg_arr[17], arg_arr[18], arg_arr[19],
		arg_arr[20], arg_arr[21], arg_arr[22], arg_arr[23], arg_arr[24] );

	return ret;
}
#endif

464
465
466
467
468
469
int ciolib_cscanf (char *format , ...)
{
	char str[255];
    va_list argptr;
	int ret;

470
471
	CIOLIB_INIT();
	
472
473
474
475
476
477
478
479
480
481
482
483
484
	str[0]=-1;
	va_start(argptr,format);
	ret=vsscanf(ciolib_cgets(str),format,argptr);
	va_end(argptr);
	return(ret);
}

char *ciolib_getpass(const char *prompt)
{
	static char pass[9];
	int len=0;
	int ch;

485
486
	CIOLIB_INIT();
	
487
	ciolib_cputs((char *)prompt);
deuce's avatar
deuce committed
488
	while((ch=ciolib_getch())!='\n') {
489
490
		switch(ch) {
			case 0:	/* Skip extended keys */
deuce's avatar
deuce committed
491
				ciolib_getch();
492
493
494
495
496
				break;
			case '\r':	/* Skip \r (ToDo: Should this be treeated as a \n? */
				break;
			case '\b':
				if(len==0) {
497
					ciolib_putch(7);
498
499
500
501
502
503
					break;
				}
				len--;
				break;
			default:
				if(len==8)
504
					ciolib_putch(7);
505
506
507
508
509
				else
					pass[len++]=ch;
				break;
		}
	}
510
511
	pass[len]=0;
	return(pass);
512
513
514
515
516
}

void ciolib_gettextinfo(struct text_info *info)
{
	if(!initialized)
517
		initciolib(CIOLIB_MODE_AUTO);
518
519
520
521
522
523
524
525
526
527
528
529
530
531
	else {
		cio_api.gettextinfo(&cio_textinfo);
	}
	if(info!=&cio_textinfo) {
		info->winleft=cio_textinfo.winleft;        /* left window coordinate */
		info->wintop=cio_textinfo.wintop;         /* top window coordinate */
		info->winright=cio_textinfo.winright;       /* right window coordinate */
		info->winbottom=cio_textinfo.winbottom;      /* bottom window coordinate */
		info->attribute=cio_textinfo.attribute;      /* text attribute */
		info->normattr=cio_textinfo.normattr;       /* normal attribute */
		info->currmode=cio_textinfo.currmode;       /* current video mode:
                               			 BW40, BW80, C40, C80, or C4350 */
		info->screenheight=cio_textinfo.screenheight;   /* text screen's height */
		info->screenwidth=cio_textinfo.screenwidth;    /* text screen's width */
532
533
		info->curx=cio_textinfo.curx-cio_textinfo.winleft+1;           /* x-coordinate in current window */
		info->cury=cio_textinfo.cury-cio_textinfo.wintop+1;           /* y-coordinate in current window */
534
535
536
537
538
539
540
541
	}
}

void ciolib_wscroll(void)
{
	int os;
	struct text_info ti;

542
543
	CIOLIB_INIT();
	
544
545
546
547
	ciolib_gettextinfo(&ti);
	if(!_wscroll)
		return;
	ciolib_movetext(ti.winleft,ti.wintop+1,ti.winright,ti.winbottom,ti.winleft,ti.wintop);
548
	ciolib_gotoxy(1,ti.winbottom-ti.wintop+1);
549
550
	os=_wscroll;
	_wscroll=0;
551
552
	/* ciolib_cprintf("%*s",ti.winright-ti.winleft+1,""); */
	ciolib_clreol();
553
554
555
556
557
558
559
560
	_wscroll=os;
	ciolib_gotoxy(ti.curx,ti.cury);
}

int ciolib_wherex(void)
{
	int x;

561
562
	CIOLIB_INIT();
	
563
564
565
566
567
568
569
570
571
	x=cio_api.wherex();
	x=x-cio_textinfo.winleft+1;
	return(x);
}

int ciolib_wherey(void)
{
	int y;

572
573
	CIOLIB_INIT();
	
574
575
576
577
578
579
580
581
582
583
584
	y=cio_api.wherey();
	y=y-cio_textinfo.wintop+1;
	return(y);
}

void ciolib_gotoxy(int x, int y)
{
	int nx;
	int ny;
	struct text_info ti;

585
586
	CIOLIB_INIT();
	
587
588
589
590
591
592
593
594
595
596
597
	ciolib_gettextinfo(&ti);
	if(		x < 1
			|| x > ti.winright-ti.winleft+1
			|| y < 1
			|| y > ti.winbottom-ti.wintop+1)
		return;
	nx=x+ti.winleft-1;
	ny=y+ti.wintop-1;
	cio_api.gotoxy(nx,ny);
}

deuce's avatar
deuce committed
598
void ciolib_textmode(int mode)
599
{
600
601
	CIOLIB_INIT();
	
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
	if(mode==-1) {
		ciolib_gettextinfo(&cio_textinfo);
		cio_api.textmode(lastmode);
		lastmode=cio_textinfo.currmode;
	}
	else {
		ciolib_gettextinfo(&cio_textinfo);
		lastmode=cio_textinfo.currmode;
		cio_api.textmode(mode);
	}
	ciolib_gettextinfo(&cio_textinfo);
	cio_textinfo.winleft=1;
	cio_textinfo.wintop=1;
	cio_textinfo.winright=cio_textinfo.screenwidth;
	cio_textinfo.winbottom=cio_textinfo.screenheight;
}

void ciolib_window(int sx, int sy, int ex, int ey)
{
621
622
	CIOLIB_INIT();
	
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
	ciolib_gettextinfo(&cio_textinfo);
	if(		   sx < 1
			|| sy < 1
			|| ex < 1
			|| ey < 1
			|| sx > cio_textinfo.screenwidth
			|| sy > cio_textinfo.screenheight
			|| sx > ex
			|| sy > ey
			|| ex > cio_textinfo.screenwidth
			|| ey > cio_textinfo.screenheight)
		return;
	cio_textinfo.winleft=sx;
	cio_textinfo.wintop=sy;
	cio_textinfo.winright=ex;
	cio_textinfo.winbottom=ey;
	ciolib_gotoxy(1,1);
}

void ciolib_clreol(void)
{
644
645
646
647
	unsigned char *buf;
	int i;
	int width,height;
	struct text_info ti;
648

649
650
	CIOLIB_INIT();
	
651
	ciolib_gettextinfo(&ti);
652
653
654
655
656
657
658
659
660
661

	width=ti.winright-ti.curx+1;
	height=1;
	buf=(unsigned char *)malloc(width*height*2);
	for(i=0;i<width*height*2;) {
		buf[i++]=' ';
		buf[i++]=ti.attribute;
	}
	ciolib_puttext(ti.curx+ti.winleft-1,ti.cury+ti.wintop-1,ti.winright,ti.cury+ti.wintop-1,buf);
	free(buf);
662
663
664
665
}

void ciolib_clrscr(void)
{
666
	unsigned char *buf;
667
668
669
670
	int i;
	int width,height;
	struct text_info ti;

671
672
	CIOLIB_INIT();
	
673
674
675
676
	ciolib_gettextinfo(&ti);

	width=ti.winright-ti.winleft+1;
	height=ti.winbottom-ti.wintop+1;
677
	buf=(unsigned char *)malloc(width*height*2);
678
679
680
681
682
683
684
685
686
687
688
689
	for(i=0;i<width*height*2;) {
		buf[i++]=' ';
		buf[i++]=ti.attribute;
	}
	ciolib_puttext(ti.winleft,ti.wintop,ti.winright,ti.winbottom,buf);
	free(buf);
}

void ciolib_delline(void)
{
	struct text_info ti;

690
691
	CIOLIB_INIT();
	
692
693
694
695
696
697
698
699
700
701
702
703
	ciolib_gettextinfo(&ti);

	ciolib_movetext(ti.winleft,ti.cury+1,ti.winright,ti.winbottom,ti.winleft,ti.cury);
	ciolib_gotoxy(1,ti.winbottom-ti.wintop+1);
	ciolib_clreol();
	ciolib_gotoxy(ti.curx,ti.cury);
}

void ciolib_insline(void)
{
	struct text_info ti;

704
705
	CIOLIB_INIT();
	
706
707
708
709
710
711
712
713
714
715
716
717
	ciolib_gettextinfo(&ti);

	ciolib_movetext(ti.winleft,ti.cury,ti.winright,ti.winbottom,ti.winleft,ti.cury+1);
	ciolib_gotoxy(1,ti.cury);
	ciolib_clreol();
	ciolib_gotoxy(ti.curx,ti.cury);
}

int ciolib_cprintf(char *fmat, ...)
{
    va_list argptr;
	int		ret;
718
#ifdef _MSC_VER		/* Can't figure out a way to allocate a "big enough" buffer for Win32. */
719
720
721
722
723
	char	str[16384];
#else
	char	*str;
#endif

724
	CIOLIB_INIT();
725

726
    va_start(argptr,fmat);
727
#ifdef _MSC_VER
rswindell's avatar
rswindell committed
728
	ret=_vsnprintf(str,sizeof(str)-1,fmat,argptr);
729
730
#else
    ret=vsnprintf(NULL,0,fmat,argptr);
deuce's avatar
deuce committed
731
732
	if(ret<0)
		return(EOF);
733
734
735
736
737
738
739
740
741
742
	str=(char *)malloc(ret+1);
	if(str==NULL)
		return(EOF);
	ret=vsprintf(str,fmat,argptr);
#endif
    va_end(argptr);
	if(ret>=0)
		ciolib_cputs(str);
	else
		ret=EOF;
743
#ifndef _MSC_VER
744
745
746
747
748
749
750
751
752
	free(str);
#endif
    return(ret);
}

int ciolib_cputs(char *str)
{
	int		pos;
	int		ret=0;
753
	int		olddmc;
754

755
	CIOLIB_INIT();
756

757
758
	olddmc=hold_update;
	hold_update=1;
759
760
761
762
763
764
765
	for(pos=0;str[pos];pos++)
	{
		ret=str[pos];
		if(str[pos]=='\n')
			ciolib_putch('\r');
		ciolib_putch(str[pos]);
	}
766
	hold_update=olddmc;
deuce's avatar
deuce committed
767
	ciolib_gotoxy(ciolib_wherex(),ciolib_wherey());
768
769
770
771
772
773
	return(ret);
}

void ciolib_textbackground(int colour)
{
	unsigned char attr;
774
	unsigned char col;
775

776
777
	CIOLIB_INIT();
	
778
779
780
	ciolib_gettextinfo(&cio_textinfo);
	attr=cio_textinfo.attribute;
	attr&=143;
781
782
	col=(colour & 0x07);
	attr|=(col<<4);
783
784
785
786
787
788
	ciolib_textattr(attr);
}

void ciolib_textcolor(int colour)
{
	unsigned char attr;
789
	unsigned char col;
790

791
792
	CIOLIB_INIT();
	
793
794
795
	ciolib_gettextinfo(&cio_textinfo);
	attr=cio_textinfo.attribute;
	attr&=240;
796
797
	col=colour&0x0f;
	attr|=col;
798
799
800
801
802
803
804
	ciolib_textattr(attr);
}

void ciolib_highvideo(void)
{
	int attr;

805
806
	CIOLIB_INIT();
	
807
808
809
810
811
812
813
814
815
816
	ciolib_gettextinfo(&cio_textinfo);
	attr=cio_textinfo.attribute;
	attr |= 8;
	ciolib_textattr(attr);
}

void ciolib_lowvideo(void)
{
	int attr;

817
818
	CIOLIB_INIT();
	
819
820
821
822
823
824
825
826
	ciolib_gettextinfo(&cio_textinfo);
	attr=cio_textinfo.attribute;
	attr &= 0xf7;
	ciolib_textattr(attr);
}

void ciolib_normvideo(void)
{
827
828
	CIOLIB_INIT();
	
829
830
831
832
833
	ciolib_textattr(0x07);
}

int ciolib_puttext(int a,int b,int c,int d,unsigned char *e)
{
834
835
	CIOLIB_INIT();
	
836
837
838
839
840
	return(cio_api.puttext(a,b,c,d,e));
}

int ciolib_gettext(int a,int b,int c,int d,unsigned char *e)
{
841
842
	CIOLIB_INIT();
	
843
844
845
	return(cio_api.gettext(a,b,c,d,e));
}

846
void ciolib_textattr(int a)
847
{
848
849
	CIOLIB_INIT();
	
850
851
852
853
854
	cio_api.textattr(a);
}

void ciolib_delay(long a)
{
855
856
	CIOLIB_INIT();
	
857
858
859
	cio_api.delay(a);
}

860
int ciolib_putch(int a)
861
{
862
	unsigned char a1=a;
863
	CIOLIB_INIT();
864

865
	return(cio_api.putch(a1));
866
867
868
869
}

void ciolib_setcursortype(int a)
{
870
871
	CIOLIB_INIT();
	
872
873
	cio_api.setcursortype(a);
}
deuce's avatar
deuce committed
874
875
876
877
878
879

int ciolib_showmouse(void) {
	CIOLIB_INIT();

	if(cio_api.showmouse!=NULL)
		return(cio_api.showmouse());
880
	return(-1);
deuce's avatar
deuce committed
881
882
883
884
885
886
887
}

int ciolib_hidemouse(void) {
	CIOLIB_INIT();

	if(cio_api.hidemouse!=NULL)
		return(cio_api.hidemouse());
888
	return(-1);
deuce's avatar
deuce committed
889
}
890
891
892
893
894
895
896

void ciolib_settitle(const char *title) {
	CIOLIB_INIT();

	if(cio_api.settitle!=NULL)
		cio_api.settitle(title);
}
deuce's avatar
deuce committed
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914

void ciolib_copytext(const char *text, size_t buflen)
{
	CIOLIB_INIT();

	if(cio_api.copytext!=NULL)
		cio_api.copytext(text,buflen);
}

char *ciolib_getcliptext(void)
{
	CIOLIB_INIT();

	if(cio_api.getcliptext!=NULL)
		return(cio_api.getcliptext());
	else
		return(NULL);
}