ciolib.c 42.8 KB
Newer Older
deuce's avatar
deuce committed
1
2
3
4
5
6
/* $Id$ */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
7
 * Copyright Rob Swindell - http://www.synchro.net/copyright.html			*
deuce's avatar
deuce committed
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
 *																			*
 * 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
/* Icon file! */
rswindell's avatar
rswindell committed
35
#ifdef __BORLANDC__
36
#pragma resource "ciolib.res"
		/* DO NOT REMOVE THE EXTRA \r! */
rswindell's avatar
rswindell committed
37
#endif
38

39
#include <stdarg.h>
40
#include <stdlib.h>	/* alloca */
41
#include <stdio.h>
42
43
44
#if defined(_WIN32)
 #include <malloc.h>	/* alloca() on Win32 */
#endif
45

deuce's avatar
deuce committed
46
#include <threadwrap.h>
47
48
#include <genwrap.h>
#include <xpbeep.h>
deuce's avatar
deuce committed
49

50
51
52
#define CIOLIB_NO_MACROS
#include "ciolib.h"

deuce's avatar
deuce committed
53
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
54
 #include "sdl_con.h"
55
 #include "sdlfuncs.h"
56
#endif
deuce's avatar
deuce committed
57
58
59
#ifdef _WIN32
 #include "win32cio.h"
#else
60
61
62
63
64
65
66
 #ifndef NO_X
  #include "x_cio.h"
 #endif
 #include "curs_cio.h"
 #undef getch
#endif

deuce's avatar
deuce committed
67
#include "bitmap_con.h"
68
69
#include "ansi_cio.h"

70
CIOLIBEXPORT cioapi_t	cio_api;
71

72
static const int tabs[]={1,9,17,25,33,41,49,57,65,73,81,89,97,105,113,121,129,137,145};
73
static int ungotch;
74
struct text_info cio_textinfo;
75
76
uint32_t ciolib_fg;
uint32_t ciolib_bg;
deuce's avatar
deuce committed
77
static int lastmode=C80;
78
79
80
CIOLIBEXPORT int _wscroll=1;
CIOLIBEXPORT int directvideo=0;
CIOLIBEXPORT int hold_update=0;
81
CIOLIBEXPORT int puttext_can_move=0;
82
CIOLIBEXPORT int ciolib_xlat=0;
deuce's avatar
deuce committed
83
CIOLIBEXPORT int ciolib_reaper=TRUE;
84
85
static int initialized=0;

86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy);
CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str);
CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...);
CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch);
CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info);
CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y);
CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_cputs(char *str);
deuce's avatar
deuce committed
101
CIOLIBEXPORT int	CIOLIBCALL ciolib_cprintf(const char *fmat, ...);
102
103
104
105
106
CIOLIBEXPORT void CIOLIBCALL ciolib_textbackground(int colour);
CIOLIBEXPORT void CIOLIBCALL ciolib_textcolor(int colour);
CIOLIBEXPORT void CIOLIBCALL ciolib_highvideo(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_lowvideo(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_normvideo(void);
107
CIOLIBEXPORT int CIOLIBCALL ciolib_puttext(int a,int b,int c,int d,void *e);
108
CIOLIBEXPORT int CIOLIBCALL ciolib_pputtext(int a,int b,int c,int d,void *e,uint32_t *f, uint32_t *g);
109
CIOLIBEXPORT int CIOLIBCALL ciolib_gettext(int a,int b,int c,int d,void *e);
110
CIOLIBEXPORT int CIOLIBCALL ciolib_pgettext(int a,int b,int c,int d,void *e, uint32_t *f, uint32_t *g);
111
112
113
114
115
116
117
118
119
120
121
CIOLIBEXPORT void CIOLIBCALL ciolib_textattr(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_delay(long a);
CIOLIBEXPORT int CIOLIBCALL ciolib_putch(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_setcursortype(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode);
CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey);
CIOLIBEXPORT void CIOLIBCALL ciolib_delline(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_insline(void);
CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt);
CIOLIBEXPORT void CIOLIBCALL ciolib_copytext(const char *text, size_t buflen);
CIOLIBEXPORT char * CIOLIBCALL ciolib_getcliptext(void);
122
CIOLIBEXPORT int CIOLIBCALL ciolib_get_window_info(int *width, int *height, int *xpos, int *ypos);
123
124
CIOLIBEXPORT void CIOLIBCALL ciolib_setscaling(int new_value);
CIOLIBEXPORT int CIOLIBCALL ciolib_getscaling(void);
125
CIOLIBEXPORT int CIOLIBCALL ciolib_setpalette(uint32_t entry, uint16_t r, uint16_t g, uint16_t b);
126
127
CIOLIBEXPORT int CIOLIBCALL ciolib_cputch(uint32_t fg_palette, uint32_t bg_palette, int a);
CIOLIBEXPORT int CIOLIBCALL ciolib_ccputs(uint32_t fg_palette, uint32_t bg_palette, const char *str);
128
CIOLIBEXPORT int CIOLIBCALL ciolib_attr2palette(uint8_t attr, uint32_t *fg, uint32_t *bg);
deuce's avatar
deuce committed
129
CIOLIBEXPORT int CIOLIBCALL ciolib_setpixel(uint32_t x, uint32_t y, uint32_t colour);
deuce's avatar
deuce committed
130
CIOLIBEXPORT struct ciolib_pixels * CIOLIBCALL ciolib_getpixels(uint32_t sx, uint32_t sy, uint32_t ex, uint32_t ey);
deuce's avatar
deuce committed
131
CIOLIBEXPORT int CIOLIBCALL ciolib_setpixels(uint32_t sx, uint32_t sy, uint32_t ex, uint32_t ey, uint32_t x_off, uint32_t y_off, struct ciolib_pixels *pixels, void *mask);
deuce's avatar
deuce committed
132
133
134
135
CIOLIBEXPORT void CIOLIBCALL ciolib_freepixels(struct ciolib_pixels *pixels);
CIOLIBEXPORT struct ciolib_screen * CIOLIBCALL ciolib_savescreen(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_freescreen(struct ciolib_screen *);
CIOLIBEXPORT int CIOLIBCALL ciolib_restorescreen(struct ciolib_screen *scrn);
136
CIOLIBEXPORT void CIOLIBCALL ciolib_setcolour(uint32_t fg, uint32_t bg);
137

138
139
140
141
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
int sdl_video_initialized = 0;
#endif

142
#define CIOLIB_INIT()		{ if(initialized != 1) initciolib(CIOLIB_MODE_AUTO); }
143

deuce's avatar
deuce committed
144
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
145
146
int try_sdl_init(int mode)
{
147
	if(!sdl_initciolib(mode)) {
148
		cio_api.mouse=1;
deuce's avatar
deuce committed
149
		cio_api.puttext=bitmap_puttext;
150
151
		cio_api.pputtext=bitmap_pputtext;
		cio_api.pgettext=bitmap_pgettext;
deuce's avatar
deuce committed
152
153
154
155
156
		cio_api.gotoxy=bitmap_gotoxy;
		cio_api.setcursortype=bitmap_setcursortype;
		cio_api.setfont=bitmap_setfont;
		cio_api.getfont=bitmap_getfont;
		cio_api.loadfont=bitmap_loadfont;
157
		cio_api.movetext=bitmap_movetext;
158
159
		cio_api.clreol=bitmap_clreol;
		cio_api.clrscr=bitmap_clrscr;
160
161
		cio_api.getcustomcursor=bitmap_getcustomcursor;
		cio_api.setcustomcursor=bitmap_setcustomcursor;
162
163
		cio_api.getvideoflags=bitmap_getvideoflags;
		cio_api.setvideoflags=bitmap_setvideoflags;
deuce's avatar
deuce committed
164

165
166
167
168
169
		cio_api.kbhit=sdl_kbhit;
		cio_api.getch=sdl_getch;
		cio_api.textmode=sdl_textmode;
		cio_api.showmouse=sdl_showmouse;
		cio_api.hidemouse=sdl_hidemouse;
170
		cio_api.setname=sdl_setname;
171
		cio_api.seticon=sdl_seticon;
172
		cio_api.settitle=sdl_settitle;
173
174
175
176
#ifdef _WIN32
		cio_api.copytext=win32_copytext;
		cio_api.getcliptext=win32_getcliptext;
#else
177
178
		cio_api.copytext=sdl_copytext;
		cio_api.getcliptext=sdl_getcliptext;
179
#endif
180
		cio_api.get_window_info=sdl_get_window_info;
181
182
		cio_api.setscaling=sdl_setscaling;
		cio_api.getscaling=sdl_getscaling;
183
		cio_api.setpalette=sdl_setpalette;
184
		cio_api.attr2palette=bitmap_attr2palette;
deuce's avatar
deuce committed
185
		cio_api.setpixel=bitmap_setpixel;
deuce's avatar
deuce committed
186
187
		cio_api.getpixels=bitmap_getpixels;
		cio_api.setpixels=bitmap_setpixels;
188
189
190
191
192
193
		return(1);
	}
	return(0);
}
#endif

194
195
196
197
#ifndef _WIN32
 #ifndef NO_X
int try_x_init(int mode)
{
198
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
199
	if (sdl_video_initialized) {
200
		sdl.QuitSubSystem(SDL_INIT_VIDEO);
201
202
		sdl_video_initialized = FALSE;
	}
203
204
#endif

deuce's avatar
deuce committed
205
	if(!x_init()) {
206
		cio_api.mode=CIOLIB_MODE_X;
deuce's avatar
deuce committed
207
		cio_api.mouse=1;
deuce's avatar
deuce committed
208
		cio_api.puttext=bitmap_puttext;
209
210
		cio_api.pputtext=bitmap_pputtext;
		cio_api.pgettext=bitmap_pgettext;
deuce's avatar
deuce committed
211
212
213
214
215
		cio_api.gotoxy=bitmap_gotoxy;
		cio_api.setcursortype=bitmap_setcursortype;
		cio_api.setfont=bitmap_setfont;
		cio_api.getfont=bitmap_getfont;
		cio_api.loadfont=bitmap_loadfont;
deuce's avatar
deuce committed
216
		cio_api.beep=x_beep;
217
		cio_api.movetext=bitmap_movetext;
218
219
		cio_api.clreol=bitmap_clreol;
		cio_api.clrscr=bitmap_clrscr;
220
221
		cio_api.getcustomcursor=bitmap_getcustomcursor;
		cio_api.setcustomcursor=bitmap_setcustomcursor;
222
223
		cio_api.getvideoflags=bitmap_getvideoflags;
		cio_api.setvideoflags=bitmap_setvideoflags;
224
225

		cio_api.kbhit=x_kbhit;
226
227
		cio_api.getch=x_getch;
		cio_api.textmode=x_textmode;
228
		cio_api.setname=x_setname;
229
		cio_api.settitle=x_settitle;
deuce's avatar
deuce committed
230
231
		cio_api.copytext=x_copytext;
		cio_api.getcliptext=x_getcliptext;
232
		cio_api.get_window_info=x_get_window_info;
233
234
		cio_api.setscaling=x_setscaling;
		cio_api.getscaling=x_getscaling;
235
		cio_api.setpalette=x_setpalette;
236
		cio_api.attr2palette=bitmap_attr2palette;
deuce's avatar
deuce committed
237
		cio_api.setpixel=bitmap_setpixel;
deuce's avatar
deuce committed
238
		cio_api.getpixels=bitmap_getpixels;
deuce's avatar
deuce committed
239
		cio_api.setpixels=bitmap_setpixels;
240
241
242
243
244
245
246
247
		return(1);
	}
	return(0);
}
 #endif

int try_curses_init(int mode)
{
248
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
249
	if (sdl_video_initialized) {
250
		sdl.QuitSubSystem(SDL_INIT_VIDEO);
251
252
		sdl_video_initialized = FALSE;
	}
253
254
#endif

255
	if(curs_initciolib(mode)) {
256
257
258
		if(mode==CIOLIB_MODE_AUTO)
			mode=CIOLIB_MODE_CURSES;
		cio_api.mode=mode;
259
260
261
262
263
264
265
266
		cio_api.puttext=curs_puttext;
		cio_api.gettext=curs_gettext;
		cio_api.textattr=curs_textattr;
		cio_api.kbhit=curs_kbhit;
		cio_api.gotoxy=curs_gotoxy;
		cio_api.setcursortype=curs_setcursortype;
		cio_api.getch=curs_getch;
		cio_api.textmode=curs_textmode;
deuce's avatar
deuce committed
267
268
		cio_api.showmouse=curs_showmouse;
		cio_api.hidemouse=curs_hidemouse;
269
270
		cio_api.suspend=curs_suspend;
		cio_api.resume=curs_resume;
271
		cio_api.beep=curs_beep;
272
#if defined(NCURSES_VERSION_MAJOR) || defined (__NetBSD__)
273
274
		cio_api.ESCDELAY=&ESCDELAY;
#endif
275
276
277
278
279
280
281
282
		return(1);
	}
	return(0);
}
#endif

int try_ansi_init(int mode)
{
283
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
284
	if (sdl_video_initialized) {
285
		sdl.QuitSubSystem(SDL_INIT_VIDEO);
286
287
		sdl_video_initialized = FALSE;
	}
288
289
#endif

290
	if(ansi_initciolib(mode)) {
291
		cio_api.mode=CIOLIB_MODE_ANSI;
deuce's avatar
deuce committed
292
		cio_api.mouse=0;
293
294
295
296
297
298
299
300
		cio_api.puttext=ansi_puttext;
		cio_api.gettext=ansi_gettext;
		cio_api.textattr=ansi_textattr;
		cio_api.kbhit=ansi_kbhit;
		cio_api.gotoxy=ansi_gotoxy;
		cio_api.setcursortype=ansi_setcursortype;
		cio_api.getch=ansi_getch;
		cio_api.textmode=ansi_textmode;
deuce's avatar
deuce committed
301
		cio_api.ESCDELAY=&CIOLIB_ANSI_TIMEOUT;
deuce's avatar
deuce committed
302
		cio_api.beep=ansi_beep;
303
304
305
306
307
308
		return(1);
	}
	return(0);
}

#ifdef _WIN32
309
310
311
#if defined(__BORLANDC__)
        #pragma argsused
#endif
312
int try_conio_init(int mode)
313
{
314
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
315
	if (sdl_video_initialized) {
316
		sdl.QuitSubSystem(SDL_INIT_VIDEO);
317
318
		sdl_video_initialized = FALSE;
	}
319
320
#endif

321
	/* This should test for something or other */
322
	if(win32_initciolib(mode)) {
323
324
325
326
		if(mode==CIOLIB_MODE_AUTO)
			cio_api.mode=CIOLIB_MODE_CONIO;
		else
			cio_api.mode=mode;	/* CIOLIB_MODE_CONIO or CIOLIB_MODE_CONIO_FULLSCREEN */
deuce's avatar
deuce committed
327
		cio_api.mouse=1;
328
329
		cio_api.puttext=win32_puttext;
		cio_api.gettext=win32_gettext;
deuce's avatar
deuce committed
330
		cio_api.kbhit=win32_kbhit;
331
332
		cio_api.gotoxy=win32_gotoxy;
		cio_api.setcursortype=win32_setcursortype;
deuce's avatar
deuce committed
333
		cio_api.getch=win32_getch;
334
		cio_api.textmode=win32_textmode;
deuce's avatar
deuce committed
335
336
		cio_api.showmouse=win32_showmouse;
		cio_api.hidemouse=win32_hidemouse;
337
		cio_api.setname=win32_settitle;
338
		cio_api.settitle=win32_settitle;
deuce's avatar
deuce committed
339
340
		cio_api.copytext=win32_copytext;
		cio_api.getcliptext=win32_getcliptext;
341
342
		cio_api.suspend=win32_suspend;
		cio_api.resume=win32_resume;
343
344
		cio_api.getcustomcursor=win32_getcustomcursor;
		cio_api.setcustomcursor=win32_setcustomcursor;
345
		cio_api.getvideoflags=win32_getvideoflags;
346
		cio_api.setpalette=win32_setpalette;
347
348
349
350
351
352
		return(1);
	}
	return(0);
}
#endif

353
/* Optional */
354
355
CIOLIBEXPORT void CIOLIBCALL suspendciolib(void)
{
356
	ciolib_clrscr();
357
358
359
360
361
	if(cio_api.suspend != NULL)
		cio_api.suspend();
	initialized=-1;
}

362
CIOLIBEXPORT int CIOLIBCALL initciolib(int mode)
363
{
364
365
366
367
	switch(initialized) {
		case 1:
			return(0);
		case -1:
368
			initialized=1;
369
370
			if(cio_api.resume != NULL)
				cio_api.resume();
371
			ciolib_clrscr();
372
373
374
			return(0);
	}

375
376
	memset(&cio_api,0,sizeof(cio_api));

377
	switch(mode) {
378
		case CIOLIB_MODE_AUTO:
deuce's avatar
deuce committed
379
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
380
			if(!try_sdl_init(CIOLIB_MODE_SDL))
381
#endif
382
#ifdef _WIN32
383
				if(!try_conio_init(mode))
384
#else
385
#ifndef NO_X
386
				if(!try_x_init(mode))
387
#endif
388
					if(!try_curses_init(mode))
389
#endif
390
						try_ansi_init(mode);
391
392
			break;
#ifdef _WIN32
393
		case CIOLIB_MODE_CONIO:
394
		case CIOLIB_MODE_CONIO_FULLSCREEN:
395
			try_conio_init(mode);
396
397
			break;
#else
398
399
		case CIOLIB_MODE_CURSES:
		case CIOLIB_MODE_CURSES_IBM:
400
401
			try_curses_init(mode);
			break;
402

403
		case CIOLIB_MODE_X:
404
#ifndef NO_X
405
			try_x_init(mode);
406
#endif
407
408
			break;
#endif
409
		case CIOLIB_MODE_ANSI:
410
411
			try_ansi_init(mode);
			break;
412

deuce's avatar
deuce committed
413
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
414
		case CIOLIB_MODE_SDL:
415
		case CIOLIB_MODE_SDL_FULLSCREEN:
deuce's avatar
deuce committed
416
417
		case CIOLIB_MODE_SDL_YUV:
		case CIOLIB_MODE_SDL_YUV_FULLSCREEN:
418
419
420
			try_sdl_init(mode);
			break;
#endif
421
	}
422
	if(cio_api.mode==CIOLIB_MODE_AUTO) {
deuce's avatar
deuce committed
423
		fprintf(stderr,"CIOLIB initialization failed!\n");
424
425
426
427
428
429
430
431
		return(-1);
	}

	initialized=1;
	cio_textinfo.winleft=1;
	cio_textinfo.wintop=1;
	cio_textinfo.winright=cio_textinfo.screenwidth;
	cio_textinfo.winbottom=cio_textinfo.screenheight;
432
	/* Default C64 is Lt Blue on Black (As per CGTerm) */
deuce's avatar
Typo.    
deuce committed
433
	switch(cio_textinfo.currmode) {
434
435
436
437
438
439
		case C64_40X25:
		case C128_40X25:
		case C128_80X25:
			cio_textinfo.normattr=14;
			break;
		default:
deuce's avatar
deuce committed
440
			cio_textinfo.normattr=LIGHTGRAY;
441
	}
deuce's avatar
deuce committed
442
	_beginthread(ciolib_mouse_thread,0,NULL);
443
444
445
	return(0);
}

446
/* **MUST** be implemented */
447
CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void)
448
{
449
	CIOLIB_INIT();
450
451
452
453
454
	if(ungotch)
		return(1);
	return(cio_api.kbhit());
}

455
/* **MUST** be implemented */
456
CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void)
457
458
459
{
	int ch;

460
461
	CIOLIB_INIT();

462
463
464
465
466
467
468
469
	if(ungotch) {
		ch=ungotch;
		ungotch=0;
		return(ch);
	}
	return(cio_api.getch());
}

470
/* Optional */
471
CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void)
472
473
474
{
	int ch;

475
476
	CIOLIB_INIT();

477
478
479
480
481
482
	if(ungotch) {
		ch=ungotch;
		ungotch=0;
		ciolib_putch(ch);
		return(ch);
	}
483
	if(cio_api.getche)
484
485
486
487
		return(cio_api.getche());
	else {
		while(1) {
			ch=ciolib_getch();
488
			if(ch != 0 && ch != 0xe0) {
489
490
491
				ciolib_putch(ch);
				return(ch);
			}
492
493
494
			/* Eat extended chars - except ESC which is an abort */
			if(ciolib_getch()==1)
				return(EOF);
495
496
		}
	}
497
498
}

499
/* Optional */
500
CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch)
501
{
502
	CIOLIB_INIT();
503

504
505
	if(ungotch)
		return(EOF);
506
507
	if(cio_api.ungetch)
		return(cio_api.ungetch(ch));
508
509
510
511
	ungotch=ch;
	return(ch);
}

512
/* Optional */
513
CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy)
514
515
516
{
	int width;
	int height;
517
	unsigned char *buf;
518
519
	uint32_t *fgb = NULL;
	uint32_t *bgb = NULL;
520

521
	CIOLIB_INIT();
522
523

	if(cio_api.movetext != NULL)
deuce's avatar
deuce committed
524
		return(cio_api.movetext(sx, sy, ex, ey, dx, dy));
525

526
527
	width=ex-sx;
	height=ey-sy;
deuce's avatar
deuce committed
528
	buf=(unsigned char *)malloc((width+1)*(height+1)*2);
529
530
	if(buf==NULL)
		return(0);
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
	if (cio_api.pgettext) {
		fgb=(uint32_t *)malloc((width+1)*(height+1)*sizeof(fgb[0]));
		if (fgb == NULL) {
			free(buf);
			return 0;
		}

		bgb=(uint32_t *)malloc((width+1)*(height+1)*sizeof(bgb[0]));
		if (bgb == NULL) {
			free(fgb);
			free(buf);
			return 0;
		}
		if(!ciolib_pgettext(sx,sy,ex,ey,buf,fgb,bgb))
			goto fail;
		if(!ciolib_pputtext(dx,dy,dx+width,dy+height,buf,fgb,bgb))
			goto fail;
	}
	else {
		if(!ciolib_gettext(sx,sy,ex,ey,buf))
			goto fail;
		if(!ciolib_puttext(dx,dy,dx+width,dy+height,buf))
			goto fail;
	}

556
	return(1);
deuce's avatar
deuce committed
557
558
559

fail:
	free(buf);
560
561
562
563
	if (fgb)
		free(fgb);
	if (bgb)
		free(bgb);
deuce's avatar
deuce committed
564
	return 0;
565
566
}

567
/* Optional */
568
CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str)
569
570
571
572
573
{
	int	maxlen;
	int len=0;
	int ch;

574
	CIOLIB_INIT();
575

576
577
578
	if(cio_api.cgets)
		return(cio_api.cgets(str));

579
	maxlen=*(unsigned char *)str;
580
	while((ch=ciolib_getch())!='\n' && ch !='\r') {
581
		switch(ch) {
582
583
584
585
			case 0:		/* Skip extended keys */
			case 0xe0:	/* Skip extended keys */
				if(ciolib_getche()==1)
					goto early_return;
586
587
588
				break;
			case '\b':
				if(len==0) {
589
					ciolib_putch(7);
590
591
592
593
594
595
					break;
				}
				ciolib_putch('\b');
				len--;
				break;
			default:
596
				ciolib_putch(ch);
597
598
599
600
				str[(len++)+2]=ch;
				if(len==maxlen) {
					str[len+2]=0;
					*((unsigned char *)(str+1))=(unsigned char)len;
deuce's avatar
deuce committed
601
					ciolib_putch('\r');
602
					ciolib_putch('\n');
603
604
605
606
607
					return(&str[2]);
				}
				break;
		}
	}
deuce's avatar
deuce committed
608
early_return:
609
610
	str[len+2]=0;
	*((unsigned char *)(str+1))=(unsigned char)len;
deuce's avatar
deuce committed
611
	ciolib_putch('\r');
612
	ciolib_putch('\n');
613
	return(&str[2]);
614
615
}

deuce's avatar
deuce committed
616
#if defined(_MSC_VER) && (_MSC_VER < 1800)	/* Use lame vsscanf() implementation */
617
618
619
620
621
622
623
624
625
626
627
/* 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];

628
	/* Do exception handling in case we go too far // */
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
	__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

649
/* Optional... in fact, since it's varargs, you can't override it */
650
CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...)
651
652
653
654
655
{
	char str[255];
    va_list argptr;
	int ret;

656
	CIOLIB_INIT();
657

658
659
660
661
662
663
664
	str[0]=-1;
	va_start(argptr,format);
	ret=vsscanf(ciolib_cgets(str),format,argptr);
	va_end(argptr);
	return(ret);
}

665
/* Optional */
666
CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt)
667
668
669
670
671
{
	static char pass[9];
	int len=0;
	int ch;

672
	CIOLIB_INIT();
673
674
675
676

	if(cio_api.getpass)
		return(cio_api.getpass(prompt));

677
	ciolib_cputs((char *)prompt);
deuce's avatar
deuce committed
678
	while((ch=ciolib_getch())!='\n') {
679
		switch(ch) {
680
681
682
683
			case 0:		/* Skip extended keys */
			case 0xe0:	/* Skip extended keys */
				if(ciolib_getch()==1)
					goto early_return;
684
685
686
687
688
				break;
			case '\r':	/* Skip \r (ToDo: Should this be treeated as a \n? */
				break;
			case '\b':
				if(len==0) {
689
					ciolib_putch(7);
690
691
692
693
694
695
					break;
				}
				len--;
				break;
			default:
				if(len==8)
696
					ciolib_putch(7);
697
698
699
700
701
				else
					pass[len++]=ch;
				break;
		}
	}
702
early_return:
703
704
	pass[len]=0;
	return(pass);
705
706
}

707
708
/* TODO: Hackery here... must fix */
/* Optional */
709
CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info)
710
{
711
712
713
714

	CIOLIB_INIT()

	if(cio_api.gettextinfo) {
715
		cio_api.gettextinfo(&cio_textinfo);
716
		return;
717
	}
718
	
719
720
	if(info!=&cio_textinfo)
		*info=cio_textinfo;
721
722
}

723
/* Optional */
724
CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void)
725
726
727
{
	int os;

728
	CIOLIB_INIT();
729

730
	if(cio_api.wscroll!=NULL) {
731
732
733
		cio_api.wscroll();
		return;
	}
734
735
	if(!_wscroll)
		return;
736
737
738
739
740
741
742
	ciolib_movetext(cio_textinfo.winleft
			,cio_textinfo.wintop+1
			,cio_textinfo.winright
			,cio_textinfo.winbottom
			,cio_textinfo.winleft
			,cio_textinfo.wintop);
	ciolib_gotoxy(1,cio_textinfo.winbottom-cio_textinfo.wintop+1);
743
744
	os=_wscroll;
	_wscroll=0;
745
746
	/* ciolib_cprintf("%*s",ti.winright-ti.winleft+1,""); */
	ciolib_clreol();
747
	_wscroll=os;
748
	ciolib_gotoxy(cio_textinfo.curx,cio_textinfo.cury);
749
750
}

751
/* Optional */
752
CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void)
753
754
755
{
	int x;

756
	CIOLIB_INIT();
757
758
759
760
761
762
763
764

	if(cio_api.wherex) {
		/* TODO: This is old hackery... beware */
		x=cio_api.wherex();
		x=x-cio_textinfo.winleft+1;
	}
	else
		x=cio_textinfo.curx;
765
766
767
	return(x);
}

768
/* Optional */
769
CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void)
770
771
772
{
	int y;

773
	CIOLIB_INIT();
774
775
776
777
778
779
780
781

	if(cio_api.wherey) {
		/* TODO: This is old hackery... beware */
		y=cio_api.wherey();
		y=y-cio_textinfo.wintop+1;
	}
	else
		y=cio_textinfo.cury;
782
783
784
	return(y);
}

785
/* **MUST** be implemented */
786
CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y)
787
{
788
	CIOLIB_INIT();
789

790
	if(		x < 1
791
			|| x > cio_textinfo.winright-cio_textinfo.winleft+1
792
			|| y < 1
793
			|| y > cio_textinfo.winbottom-cio_textinfo.wintop+1)
794
		return;
795
	cio_api.gotoxy(x,y);
796
797
}

798
/* **MUST** be implemented */
799
CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode)
800
{
801
	CIOLIB_INIT();
802

deuce's avatar
deuce committed
803
	if(mode==LASTMODE) {
804
805
806
807
		cio_api.textmode(lastmode);
		lastmode=cio_textinfo.currmode;
	}
	else {
808
809
		if(mode==64)
			mode=C80X50;
deuce's avatar
deuce committed
810
811
		if(mode==_ORIGMODE)
			mode=C80;
812
813
814
815
816
817
818
		lastmode=cio_textinfo.currmode;
		cio_api.textmode(mode);
	}
	cio_textinfo.winleft=1;
	cio_textinfo.wintop=1;
	cio_textinfo.winright=cio_textinfo.screenwidth;
	cio_textinfo.winbottom=cio_textinfo.screenheight;
deuce's avatar
Typo.    
deuce committed
819
	switch(cio_textinfo.currmode) {
820
821
822
823
824
825
826
827
		case C64_40X25:
		case C128_40X25:
		case C128_80X25:
			cio_textinfo.normattr=14;
			break;
		default:
			cio_textinfo.normattr=7;
	}
828
829
}

830
/* Optional */
831
CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey)
832
{
833
	CIOLIB_INIT();
834
835
836
837

	if(cio_api.window)
		cio_api.window(sx,sy,ex,ey);

838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
	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);
}

856
/* Optional */
857
CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void)
858
{
859
	unsigned char *buf;
860
861
	uint32_t *fgbuf = NULL;
	uint32_t *bgbuf = NULL;
862
863
	int i;
	int width,height;
864

865
	CIOLIB_INIT();
866

867
868
869
870
	if(cio_api.clreol) {
		cio_api.clreol();
		return;
	}
871

872
	width=cio_textinfo.winright-cio_textinfo.winleft+1-cio_textinfo.curx+1;
873
	height=1;
deuce's avatar
deuce committed
874
875
876
	buf=(unsigned char *)malloc(width*height*2);
	if (!buf)
		return;
877
878
879
880
881
882
883
884
885
886
887
888
	if (cio_api.pputtext) {
		fgbuf = malloc(width*height*sizeof(fgbuf[0]));
		if (!fgbuf) {
			free(buf);
			return;
		}
		bgbuf = malloc(width*height*sizeof(bgbuf[0]));
		if (!bgbuf) {
			free(fgbuf);
			free(buf);
			return;
		}
889
890
891
892
		for (i = 0; i < width*height; i++) {
			fgbuf[i] = ciolib_fg;
			bgbuf[i] = ciolib_bg;
		}
893
	}
894
895
	for(i=0;i<width*height*2;) {
		buf[i++]=' ';
896
		buf[i++]=cio_textinfo.attribute;
897
	}
898
	ciolib_pputtext(
899
900
901
902
			cio_textinfo.curx+cio_textinfo.winleft-1,
			cio_textinfo.cury+cio_textinfo.wintop-1,
			cio_textinfo.winright,
			cio_textinfo.cury+cio_textinfo.wintop-1,
903
			buf, fgbuf, bgbuf);
904
905
906
907
	if (fgbuf)
		free(fgbuf);
	if (bgbuf)
		free(bgbuf);
deuce's avatar
deuce committed
908
	free(buf);
909
910
}

911
/* Optional */
912
CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void)
913
{
914
	unsigned char *buf;
915
916
	uint32_t *fgbuf = NULL;
	uint32_t *bgbuf = NULL;
917
918
	int i;
	int width,height;
919
	int old_ptcm=puttext_can_move;
920

921
	CIOLIB_INIT();
922
923
924
925
	if(cio_api.clrscr) {
		cio_api.clrscr();
		return;
	}
deuce's avatar
deuce committed
926

927
928
	width=cio_textinfo.winright-cio_textinfo.winleft+1;
	height=cio_textinfo.winbottom-cio_textinfo.wintop+1;
deuce's avatar
deuce committed
929
930
931
	buf=(unsigned char *)malloc(width*height*2);
	if(!buf)
		return;
932
933
934
935
936
937
938
939
940
941
942
943
	if (cio_api.pputtext) {
		fgbuf = malloc(width*height*sizeof(fgbuf[0]));
		if (!fgbuf) {
			free(buf);
			return;
		}
		bgbuf = malloc(width*height*sizeof(bgbuf[0]));
		if (!bgbuf) {
			free(fgbuf);
			free(buf);
			return;
		}
944
945
946
947
		for (i = 0; i < width*height; i++) {
			fgbuf[i] = ciolib_fg;
			bgbuf[i] = ciolib_bg;
		}
948
	}
949
950
	for(i=0;i<width*height*2;) {
		buf[i++]=' ';
951
		buf[i++]=cio_textinfo.attribute;
952
	}
953
	puttext_can_move=1;
954
	ciolib_pputtext(cio_textinfo.winleft,cio_textinfo.wintop,cio_textinfo.winright,cio_textinfo.winbottom,buf,fgbuf,bgbuf);
955
	ciolib_gotoxy(1,1);
956
	puttext_can_move=old_ptcm;
957
958
959
960
961

	if (fgbuf)
		free(fgbuf);
	if (bgbuf)
		free(bgbuf);
deuce's avatar
deuce committed
962
	free(buf);
963
964
}

965
/* Optional */
966
CIOLIBEXPORT void CIOLIBCALL ciolib_delline(void)
967
{
968
	CIOLIB_INIT();
969

970
971
972
973
974
975
976
977
978
979
980
	if(cio_api.delline) {
		cio_api.delline();
		return;
	}
	ciolib_movetext(cio_textinfo.winleft
			,cio_textinfo.cury+1
			,cio_textinfo.winright
			,cio_textinfo.winbottom
			,cio_textinfo.winleft
			,cio_textinfo.cury);
	ciolib_gotoxy(1,cio_textinfo.winbottom-cio_textinfo.wintop+1);
981
	ciolib_clreol();
982
	ciolib_gotoxy(cio_textinfo.curx,cio_textinfo.c