ciolib.c 44 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"

53
#if defined(WITH_SDL)
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
#include "ansi_cio.h"
69
#include "syncicon64.h"
70

71
CIOLIBEXPORT cioapi_t	cio_api;
72

73
static const int tabs[]={1,9,17,25,33,41,49,57,65,73,81,89,97,105,113,121,129,137,145};
74
static int ungotch;
75
struct text_info cio_textinfo;
76
77
uint32_t ciolib_fg;
uint32_t ciolib_bg;
deuce's avatar
deuce committed
78
static int lastmode=C80;
79
80
81
CIOLIBEXPORT int _wscroll=1;
CIOLIBEXPORT int directvideo=0;
CIOLIBEXPORT int hold_update=0;
82
CIOLIBEXPORT int puttext_can_move=0;
deuce's avatar
deuce committed
83
CIOLIBEXPORT int ciolib_reaper=TRUE;
84
CIOLIBEXPORT char *ciolib_appname=NULL;
85
86
static int initialized=0;

87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
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
102
CIOLIBEXPORT int	CIOLIBCALL ciolib_cprintf(const char *fmat, ...);
103
104
105
106
107
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);
108
CIOLIBEXPORT int CIOLIBCALL ciolib_puttext(int a,int b,int c,int d,void *e);
109
CIOLIBEXPORT int CIOLIBCALL ciolib_vmem_puttext(int a,int b,int c,int d,struct vmem_cell *e);
110
CIOLIBEXPORT int CIOLIBCALL ciolib_gettext(int a,int b,int c,int d,void *e);
111
CIOLIBEXPORT int CIOLIBCALL ciolib_vmem_gettext(int a,int b,int c,int d,struct vmem_cell *e);
112
113
114
115
116
117
118
119
120
121
122
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);
123
CIOLIBEXPORT int CIOLIBCALL ciolib_get_window_info(int *width, int *height, int *xpos, int *ypos);
124
125
CIOLIBEXPORT void CIOLIBCALL ciolib_setscaling(int new_value);
CIOLIBEXPORT int CIOLIBCALL ciolib_getscaling(void);
126
CIOLIBEXPORT int CIOLIBCALL ciolib_setpalette(uint32_t entry, uint16_t r, uint16_t g, uint16_t b);
127
CIOLIBEXPORT int CIOLIBCALL ciolib_attr2palette(uint8_t attr, uint32_t *fg, uint32_t *bg);
deuce's avatar
deuce committed
128
CIOLIBEXPORT int CIOLIBCALL ciolib_setpixel(uint32_t x, uint32_t y, uint32_t colour);
deuce's avatar
deuce committed
129
CIOLIBEXPORT struct ciolib_pixels * CIOLIBCALL ciolib_getpixels(uint32_t sx, uint32_t sy, uint32_t ex, uint32_t ey);
deuce's avatar
deuce committed
130
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
131
132
133
134
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);
135
CIOLIBEXPORT void CIOLIBCALL ciolib_setcolour(uint32_t fg, uint32_t bg);
136
CIOLIBEXPORT int CIOLIBCALL ciolib_get_modepalette(uint32_t p[16]);
deuce's avatar
deuce committed
137
CIOLIBEXPORT int CIOLIBCALL ciolib_set_modepalette(uint32_t p[16]);
138
139
CIOLIBEXPORT void CIOLIBCALL ciolib_set_vmem(struct vmem_cell *cell, uint8_t ch, uint8_t attr, uint8_t font);
CIOLIBEXPORT void CIOLIBCALL ciolib_set_vmem_attr(struct vmem_cell *cell, uint8_t attr);
deuce's avatar
deuce committed
140
141
CIOLIBEXPORT void CIOLIBCALL ciolib_setwinsize(int width, int height);
CIOLIBEXPORT void CIOLIBCALL ciolib_setwinposition(int x, int y);
142
CIOLIBEXPORT enum ciolib_codepage CIOLIBCALL ciolib_getcodepage(void);
143

144
#if defined(WITH_SDL)
145
146
147
int sdl_video_initialized = 0;
#endif

148
#define CIOLIB_INIT()		{ if(initialized != 1) initciolib(CIOLIB_MODE_AUTO); }
149

150
#if defined(WITH_SDL)
151
static int try_sdl_init(int mode)
152
{
153
	if(!sdl_initciolib(mode)) {
154
		cio_api.mouse=1;
deuce's avatar
deuce committed
155
		cio_api.puttext=bitmap_puttext;
156
157
		cio_api.vmem_puttext=bitmap_vmem_puttext;
		cio_api.vmem_gettext=bitmap_vmem_gettext;
deuce's avatar
deuce committed
158
159
160
161
162
		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;
163
		cio_api.movetext=bitmap_movetext;
164
165
		cio_api.clreol=bitmap_clreol;
		cio_api.clrscr=bitmap_clrscr;
166
167
		cio_api.getcustomcursor=bitmap_getcustomcursor;
		cio_api.setcustomcursor=bitmap_setcustomcursor;
168
169
		cio_api.getvideoflags=bitmap_getvideoflags;
		cio_api.setvideoflags=bitmap_setvideoflags;
deuce's avatar
deuce committed
170

171
172
173
174
175
		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;
176
		cio_api.setname=sdl_setname;
177
		cio_api.seticon=sdl_seticon;
178
		cio_api.settitle=sdl_settitle;
179
180
		cio_api.copytext=sdl_copytext;
		cio_api.getcliptext=sdl_getcliptext;
181
		cio_api.get_window_info=sdl_get_window_info;
deuce's avatar
deuce committed
182
183
		cio_api.setwinsize=sdl_setwinsize;
		cio_api.setwinposition=sdl_setwinposition;
184
		cio_api.setpalette=bitmap_setpalette;
185
		cio_api.attr2palette=bitmap_attr2palette;
deuce's avatar
deuce committed
186
		cio_api.setpixel=bitmap_setpixel;
deuce's avatar
deuce committed
187
188
		cio_api.getpixels=bitmap_getpixels;
		cio_api.setpixels=bitmap_setpixels;
deuce's avatar
deuce committed
189
		cio_api.get_modepalette=bitmap_get_modepalette;
deuce's avatar
deuce committed
190
		cio_api.set_modepalette=bitmap_set_modepalette;
191
		cio_api.map_rgb = bitmap_map_rgb;
192
		cio_api.replace_font = bitmap_replace_font;
193
		cio_api.beep = sdl_beep;
194
195
196
197
198
199
		return(1);
	}
	return(0);
}
#endif

200
201
#ifndef _WIN32
 #ifndef NO_X
202
static int try_x_init(int mode)
203
{
204
#if defined(WITH_SDL)
205
	if (sdl_video_initialized) {
206
		sdl.QuitSubSystem(SDL_INIT_VIDEO);
207
	}
208
209
#endif

deuce's avatar
deuce committed
210
	if(!x_init()) {
211
		cio_api.mode=CIOLIB_MODE_X;
deuce's avatar
deuce committed
212
		cio_api.mouse=1;
deuce's avatar
deuce committed
213
		cio_api.puttext=bitmap_puttext;
214
215
		cio_api.vmem_puttext=bitmap_vmem_puttext;
		cio_api.vmem_gettext=bitmap_vmem_gettext;
deuce's avatar
deuce committed
216
217
218
219
220
		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
221
		cio_api.beep=x_beep;
222
		cio_api.movetext=bitmap_movetext;
223
224
		cio_api.clreol=bitmap_clreol;
		cio_api.clrscr=bitmap_clrscr;
225
226
		cio_api.getcustomcursor=bitmap_getcustomcursor;
		cio_api.setcustomcursor=bitmap_setcustomcursor;
227
228
		cio_api.getvideoflags=bitmap_getvideoflags;
		cio_api.setvideoflags=bitmap_setvideoflags;
229
230

		cio_api.kbhit=x_kbhit;
231
232
		cio_api.getch=x_getch;
		cio_api.textmode=x_textmode;
233
		cio_api.setname=x_setname;
234
		cio_api.settitle=x_settitle;
deuce's avatar
deuce committed
235
236
		cio_api.copytext=x_copytext;
		cio_api.getcliptext=x_getcliptext;
237
		cio_api.get_window_info=x_get_window_info;
238
239
		cio_api.setscaling=x_setscaling;
		cio_api.getscaling=x_getscaling;
deuce's avatar
deuce committed
240
		cio_api.seticon=x_seticon;
241
		cio_api.setpalette=bitmap_setpalette;
242
		cio_api.attr2palette=bitmap_attr2palette;
deuce's avatar
deuce committed
243
		cio_api.setpixel=bitmap_setpixel;
deuce's avatar
deuce committed
244
		cio_api.getpixels=bitmap_getpixels;
deuce's avatar
deuce committed
245
		cio_api.setpixels=bitmap_setpixels;
deuce's avatar
deuce committed
246
		cio_api.get_modepalette=bitmap_get_modepalette;
deuce's avatar
deuce committed
247
		cio_api.set_modepalette=bitmap_set_modepalette;
248
		cio_api.map_rgb = bitmap_map_rgb;
249
		cio_api.replace_font = bitmap_replace_font;
250
251
252
253
254
255
		return(1);
	}
	return(0);
}
 #endif

256
static int try_curses_init(int mode)
257
{
258
#if defined(WITH_SDL)
259
	if (sdl_video_initialized) {
260
		sdl.QuitSubSystem(SDL_INIT_VIDEO);
261
	}
262
263
#endif

264
	if(curs_initciolib(mode)) {
265
266
267
		if(mode==CIOLIB_MODE_AUTO)
			mode=CIOLIB_MODE_CURSES;
		cio_api.mode=mode;
268
269
270
271
272
273
274
275
		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
276
277
		cio_api.showmouse=curs_showmouse;
		cio_api.hidemouse=curs_hidemouse;
278
279
		cio_api.suspend=curs_suspend;
		cio_api.resume=curs_resume;
280
		cio_api.beep=curs_beep;
281
282
		cio_api.setvideoflags=curs_setvideoflags;
		cio_api.getvideoflags=curs_getvideoflags;
283
#if defined(NCURSES_VERSION_MAJOR) || defined (__NetBSD__)
284
285
		cio_api.ESCDELAY=&ESCDELAY;
#endif
286
287
288
289
290
291
		return(1);
	}
	return(0);
}
#endif

292
static int try_ansi_init(int mode)
293
{
294
#if defined(WITH_SDL)
295
	if (sdl_video_initialized) {
296
		sdl.QuitSubSystem(SDL_INIT_VIDEO);
297
	}
298
299
#endif

300
	if(ansi_initciolib(mode)) {
301
		cio_api.mode=CIOLIB_MODE_ANSI;
deuce's avatar
deuce committed
302
		cio_api.mouse=0;
303
304
305
306
307
308
309
310
		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
311
		cio_api.ESCDELAY=&CIOLIB_ANSI_TIMEOUT;
deuce's avatar
deuce committed
312
		cio_api.beep=ansi_beep;
313
314
315
316
317
318
		return(1);
	}
	return(0);
}

#ifdef _WIN32
319
320
321
#if defined(__BORLANDC__)
        #pragma argsused
#endif
322
static int try_conio_init(int mode)
323
{
324
#if defined(WITH_SDL)
325
	if (sdl_video_initialized) {
326
		sdl.QuitSubSystem(SDL_INIT_VIDEO);
327
	}
328
329
#endif

330
	/* This should test for something or other */
331
	if(win32_initciolib(mode)) {
332
333
334
335
		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
336
		cio_api.mouse=1;
337
338
		cio_api.puttext=win32_puttext;
		cio_api.gettext=win32_gettext;
deuce's avatar
deuce committed
339
		cio_api.kbhit=win32_kbhit;
340
341
		cio_api.gotoxy=win32_gotoxy;
		cio_api.setcursortype=win32_setcursortype;
deuce's avatar
deuce committed
342
		cio_api.getch=win32_getch;
343
		cio_api.textmode=win32_textmode;
deuce's avatar
deuce committed
344
345
		cio_api.showmouse=win32_showmouse;
		cio_api.hidemouse=win32_hidemouse;
346
		cio_api.setname=win32_settitle;
347
		cio_api.settitle=win32_settitle;
deuce's avatar
deuce committed
348
349
		cio_api.copytext=win32_copytext;
		cio_api.getcliptext=win32_getcliptext;
350
351
		cio_api.suspend=win32_suspend;
		cio_api.resume=win32_resume;
352
353
		cio_api.getcustomcursor=win32_getcustomcursor;
		cio_api.setcustomcursor=win32_setcustomcursor;
354
		cio_api.getvideoflags=win32_getvideoflags;
355
		cio_api.setpalette=win32_setpalette;
356
357
358
359
360
361
		return(1);
	}
	return(0);
}
#endif

362
/* Optional */
363
364
CIOLIBEXPORT void CIOLIBCALL suspendciolib(void)
{
365
	ciolib_clrscr();
366
367
368
369
370
	if(cio_api.suspend != NULL)
		cio_api.suspend();
	initialized=-1;
}

371
CIOLIBEXPORT int CIOLIBCALL initciolib(int mode)
372
{
373
374
375
376
	switch(initialized) {
		case 1:
			return(0);
		case -1:
377
			initialized=1;
378
379
			if(cio_api.resume != NULL)
				cio_api.resume();
380
			ciolib_clrscr();
381
382
383
			return(0);
	}

384
385
	memset(&cio_api,0,sizeof(cio_api));

386
	switch(mode) {
387
		case CIOLIB_MODE_AUTO:
388
#if defined(WITH_SDL)
389
			if(!try_sdl_init(CIOLIB_MODE_SDL))
390
#endif
391
#ifdef _WIN32
392
				if(!try_conio_init(mode))
393
#else
394
#ifndef NO_X
395
				if(!try_x_init(mode))
396
#endif
397
					if(!try_curses_init(mode))
398
#endif
399
						try_ansi_init(mode);
400
401
			break;
#ifdef _WIN32
402
		case CIOLIB_MODE_CONIO:
403
		case CIOLIB_MODE_CONIO_FULLSCREEN:
404
			try_conio_init(mode);
405
406
			break;
#else
407
408
		case CIOLIB_MODE_CURSES:
		case CIOLIB_MODE_CURSES_IBM:
deuce's avatar
deuce committed
409
		case CIOLIB_MODE_CURSES_ASCII:
410
411
			try_curses_init(mode);
			break;
412

413
		case CIOLIB_MODE_X:
414
#ifndef NO_X
415
			try_x_init(mode);
416
#endif
417
418
			break;
#endif
419
		case CIOLIB_MODE_ANSI:
420
421
			try_ansi_init(mode);
			break;
422

423
#if defined(WITH_SDL)
424
		case CIOLIB_MODE_SDL:
425
		case CIOLIB_MODE_SDL_FULLSCREEN:
426
427
428
			try_sdl_init(mode);
			break;
#endif
429
	}
430
	if(cio_api.mode==CIOLIB_MODE_AUTO) {
deuce's avatar
deuce committed
431
		fprintf(stderr,"CIOLIB initialization failed!\n");
432
433
434
435
436
437
438
439
		return(-1);
	}

	initialized=1;
	cio_textinfo.winleft=1;
	cio_textinfo.wintop=1;
	cio_textinfo.winright=cio_textinfo.screenwidth;
	cio_textinfo.winbottom=cio_textinfo.screenheight;
440
441

	/* Default C64 is Lt Blue on Dark Blue (As per Every picture ever) */
deuce's avatar
Typo.    
deuce committed
442
	switch(cio_textinfo.currmode) {
443
		case C64_40X25:
444
445
			cio_textinfo.normattr=0x6e;
			break;
446
		case C128_40X25:
447
			cio_textinfo.normattr=0xbd;
448
449
			break;
		default:
deuce's avatar
deuce committed
450
			cio_textinfo.normattr=LIGHTGRAY;
451
			break;
452
	}
453
	ciolib_seticon(syncicon64, SYNCICON64_WIDTH);
454
	ciolib_textattr(cio_textinfo.normattr);
455

deuce's avatar
deuce committed
456
	_beginthread(ciolib_mouse_thread,0,NULL);
457
458
459
	return(0);
}

460
/* **MUST** be implemented */
461
462
463
/*
 * Returns non-zero if a key is hit
 */
464
CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void)
465
{
466
	CIOLIB_INIT();
467
468
469
470
471
	if(ungotch)
		return(1);
	return(cio_api.kbhit());
}

472
/* **MUST** be implemented */
473
CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void)
474
475
476
{
	int ch;

477
478
	CIOLIB_INIT();

479
480
481
482
483
484
485
486
	if(ungotch) {
		ch=ungotch;
		ungotch=0;
		return(ch);
	}
	return(cio_api.getch());
}

487
/* Optional */
488
CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void)
489
490
491
{
	int ch;

492
493
	CIOLIB_INIT();

494
495
496
497
498
499
	if(ungotch) {
		ch=ungotch;
		ungotch=0;
		ciolib_putch(ch);
		return(ch);
	}
500
	if(cio_api.getche)
501
502
503
504
		return(cio_api.getche());
	else {
		while(1) {
			ch=ciolib_getch();
505
			if(ch != 0 && ch != 0xe0) {
506
507
508
				ciolib_putch(ch);
				return(ch);
			}
509
510
511
			/* Eat extended chars - except ESC which is an abort */
			if(ciolib_getch()==1)
				return(EOF);
512
513
		}
	}
514
515
}

516
/* Optional */
517
518
519
/*
 * On success, returns ch, on error, returns EOF
 */
520
CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch)
521
{
522
	CIOLIB_INIT();
523

524
525
	if(ungotch)
		return(EOF);
526
527
	if(cio_api.ungetch)
		return(cio_api.ungetch(ch));
528
529
530
531
	ungotch=ch;
	return(ch);
}

532
/* Optional */
533
534
535
/*
 * Returns non-zero on success
 */
536
CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy)
537
538
539
{
	int width;
	int height;
540
	void *buf;
541

542
	CIOLIB_INIT();
543
544

	if(cio_api.movetext != NULL)
deuce's avatar
deuce committed
545
		return(cio_api.movetext(sx, sy, ex, ey, dx, dy));
546

547
548
	width=ex-sx;
	height=ey-sy;
549
550
551
	if (cio_api.vmem_gettext) {
		buf=malloc((width+1)*(height+1)*sizeof(struct vmem_cell));
		if (buf == NULL)
552
			return 0;
553
		if(!ciolib_vmem_gettext(sx,sy,ex,ey,buf))
554
			goto fail;
555
		if(!ciolib_vmem_puttext(dx,dy,dx+width,dy+height,buf))
556
557
558
			goto fail;
	}
	else {
559
560
561
		buf=malloc((width+1)*(height+1)*2);
		if (buf == NULL)
			return 0;
562
563
564
565
566
567
		if(!ciolib_gettext(sx,sy,ex,ey,buf))
			goto fail;
		if(!ciolib_puttext(dx,dy,dx+width,dy+height,buf))
			goto fail;
	}

568
	return(1);
deuce's avatar
deuce committed
569
570
571
572

fail:
	free(buf);
	return 0;
573
574
}

575
/* Optional */
576
577
578
579
/*
 * Returns &str[2]
 * Cannot fail
 */
580
CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str)
581
582
583
584
585
{
	int	maxlen;
	int len=0;
	int ch;

586
	CIOLIB_INIT();
587

588
589
590
	if(cio_api.cgets)
		return(cio_api.cgets(str));

591
	maxlen=*(unsigned char *)str;
592
	while((ch=ciolib_getch())!='\n' && ch !='\r') {
593
		switch(ch) {
594
595
596
597
			case 0:		/* Skip extended keys */
			case 0xe0:	/* Skip extended keys */
				if(ciolib_getche()==1)
					goto early_return;
598
599
600
				break;
			case '\b':
				if(len==0) {
601
					ciolib_putch(7);
602
603
604
605
606
607
					break;
				}
				ciolib_putch('\b');
				len--;
				break;
			default:
608
				ciolib_putch(ch);
609
610
611
612
				str[(len++)+2]=ch;
				if(len==maxlen) {
					str[len+2]=0;
					*((unsigned char *)(str+1))=(unsigned char)len;
deuce's avatar
deuce committed
613
					ciolib_putch('\r');
614
					ciolib_putch('\n');
615
616
617
618
619
					return(&str[2]);
				}
				break;
		}
	}
deuce's avatar
deuce committed
620
early_return:
621
622
	str[len+2]=0;
	*((unsigned char *)(str+1))=(unsigned char)len;
deuce's avatar
deuce committed
623
	ciolib_putch('\r');
624
	ciolib_putch('\n');
625
	return(&str[2]);
626
627
}

deuce's avatar
deuce committed
628
#if defined(_MSC_VER) && (_MSC_VER < 1800)	/* Use lame vsscanf() implementation */
629
630
631
632
633
634
635
636
637
638
639
/* 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];

640
	/* Do exception handling in case we go too far // */
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
	__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

661
662
/* Can't be overridden */
/* Returns the number of fields converted */
663
CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...)
664
665
666
667
668
{
	char str[255];
    va_list argptr;
	int ret;

669
	CIOLIB_INIT();
670

671
672
673
674
675
676
677
	str[0]=-1;
	va_start(argptr,format);
	ret=vsscanf(ciolib_cgets(str),format,argptr);
	va_end(argptr);
	return(ret);
}

678
/* Optional */
679
/* So dumb */
680
CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt)
681
682
683
684
685
{
	static char pass[9];
	int len=0;
	int ch;

686
	CIOLIB_INIT();
687
688
689
690

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

691
	ciolib_cputs((char *)prompt);
deuce's avatar
deuce committed
692
	while((ch=ciolib_getch())!='\n') {
693
		switch(ch) {
694
695
696
697
			case 0:		/* Skip extended keys */
			case 0xe0:	/* Skip extended keys */
				if(ciolib_getch()==1)
					goto early_return;
698
699
700
701
702
				break;
			case '\r':	/* Skip \r (ToDo: Should this be treeated as a \n? */
				break;
			case '\b':
				if(len==0) {
703
					ciolib_putch(7);
704
705
706
707
708
709
					break;
				}
				len--;
				break;
			default:
				if(len==8)
710
					ciolib_putch(7);
711
712
713
714
715
				else
					pass[len++]=ch;
				break;
		}
	}
716
early_return:
717
718
	pass[len]=0;
	return(pass);
719
720
}

721
722
/* TODO: Hackery here... must fix */
/* Optional */
723
CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info)
724
{
725
726
	CIOLIB_INIT()

deuce's avatar
deuce committed
727
	if(cio_api.gettextinfo)
728
		cio_api.gettextinfo(&cio_textinfo);
729

730
731
	if(info!=&cio_textinfo)
		*info=cio_textinfo;
732
733
}

734
/* Optional */
735
/* Not part of Borland conio? */
736
CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void)
737
738
739
{
	int os;

740
	CIOLIB_INIT();
741

742
	if(cio_api.wscroll!=NULL) {
743
744
745
		cio_api.wscroll();
		return;
	}
746
747
	if(!_wscroll)
		return;
748
749
750
751
752
753
754
	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);
755
756
	os=_wscroll;
	_wscroll=0;
757
758
	/* ciolib_cprintf("%*s",ti.winright-ti.winleft+1,""); */
	ciolib_clreol();
759
	_wscroll=os;
760
	ciolib_gotoxy(cio_textinfo.curx,cio_textinfo.cury);
761
762
}

763
/* Optional */
764
/* Cannot fail */
765
CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void)
766
767
768
{
	int x;

769
	CIOLIB_INIT();
770
771
772
773
774
775
776
777

	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;
778
779
780
	return(x);
}

781
/* Optional */
782
/* Cannot fail */
783
CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void)
784
785
786
{
	int y;

787
	CIOLIB_INIT();
788
789
790
791
792
793
794
795

	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;
796
797
798
	return(y);
}

799
/* **MUST** be implemented */
800
CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y)
801
{
802
	CIOLIB_INIT();
803

804
	if(		x < 1
805
			|| x > cio_textinfo.winright-cio_textinfo.winleft+1
806
			|| y < 1
807
			|| y > cio_textinfo.winbottom-cio_textinfo.wintop+1)
808
		return;
809
	cio_api.gotoxy(x,y);
810
811
}

812
/* **MUST** be implemented */
813
CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode)
814
{
815
	CIOLIB_INIT();
816

deuce's avatar
deuce committed
817
	if(mode==LASTMODE) {
818
819
820
821
		cio_api.textmode(lastmode);
		lastmode=cio_textinfo.currmode;
	}
	else {
822
823
		if(mode==64)
			mode=C80X50;
deuce's avatar
deuce committed
824
825
		if(mode==_ORIGMODE)
			mode=C80;
826
827
828
829
830
831
832
		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;
833

deuce's avatar
Typo.    
deuce committed
834
	switch(cio_textinfo.currmode) {
835
		case C64_40X25:
836
837
			cio_textinfo.normattr=0x6e;
			break;
838
		case C128_40X25:
839
			cio_textinfo.normattr=0xbd;
840
841
			break;
		default:
842
843
			cio_textinfo.normattr=LIGHTGRAY;
			break;
844
	}
845
	ciolib_textattr(cio_textinfo.normattr);
846
847
}

848
/* Optional */
849
CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey)
850
{
851
	CIOLIB_INIT();
852
853
854
855

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

856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
	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);
}

874
/* Optional */
875
CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void)
876
{
877
	struct vmem_cell *buf;
878
879
	int i;
	int width,height;
880

881
	CIOLIB_INIT();
882

883
884
885
886
	if(cio_api.clreol) {
		cio_api.clreol();
		return;
	}
887

888
	width=cio_textinfo.winright-cio_textinfo.winleft+1-cio_textinfo.curx+1;
889
	height=1;
890
	buf=malloc(width*height*sizeof(*buf));
deuce's avatar
deuce committed
891
892
	if (!buf)
		return;
893
894
895
896
897
898
	for(i=0;i<width*height;i++) {
		buf[i].ch = ' ';
		buf[i].legacy_attr = cio_textinfo.attribute;
		buf[i].fg = ciolib_fg;
		buf[i].bg = ciolib_bg;
		buf[i].font = ciolib_attrfont(cio_textinfo.attribute);
899
	}
900
	ciolib_vmem_puttext(
901
902
903
904
			cio_textinfo.curx+cio_textinfo.winleft-1,
			cio_textinfo.cury+cio_textinfo.wintop-1,
			cio_textinfo.winright,
			cio_textinfo.cury+cio_textinfo.wintop-1,
905
			buf);
deuce's avatar
deuce committed
906
	free(buf);
907
908
}

909
/* Optional */
910
CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void)
911
{
912
	struct vmem_cell *buf;
913
914
	int i;
	int width,height;
915
	int old_ptcm=puttext_can_move;