uifc32.c 86.1 KB
Newer Older
1
/* Curses implementation of UIFC (user interface) library based on uifc.c */
2
// vi: tabstop=4
3

rswindell's avatar
rswindell committed
4
5
/* $Id$ */

6
7
8
9
/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
10
 * Copyright Rob Swindell - http://www.synchro.net/copyright.html			*
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 *																			*
 * 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.	*
 ****************************************************************************/

#ifdef __unix__
	#include <stdio.h>
	#include <unistd.h>
	#ifdef __QNX__
		#include <strings.h>
	#endif
    #define mswait(x) delay(x)
#elif defined(_WIN32)
	#include <share.h>
	#include <windows.h>
	#define mswait(x) Sleep(x)
#endif
49
#include <genwrap.h>	// for alloca()
50
#include <datewrap.h>	// localtime_r()
rswindell's avatar
rswindell committed
51
#include "xpprintf.h"
52

53
#include "ciolib.h"
54
#include "uifc.h"
55
#define MAX_GETSTR	5120
56
57
58
59
60
61

#define BLINK	128

static int   cursor;
static char* helpfile=0;
static uint  helpline=0;
deuce's avatar
deuce committed
62
static size_t blk_scrn_len;
63
64
65
static struct vmem_cell *blk_scrn;
static struct vmem_cell *tmp_buffer;
static struct vmem_cell *tmp_buffer2;
66
67
68
69
static win_t sav[MAX_BUFS];
static uifcapi_t* api;

/* Prototypes */
70
static int   uprintf(int x, int y, unsigned attr, char *fmt,...);
71
72
static void  bottomline(int line);
static char  *utimestr(time_t *intime);
deuce's avatar
deuce committed
73
static void  help(void);
74
static int   ugetstr(int left, int top, int width, char *outstr, int max, long mode, int *lastkey);
75
static void  timedisplay(BOOL force);
76
77
78
79
80
81
82
83

/* API routines */
static void uifcbail(void);
static int  uscrn(char *str);
static int  ulist(int mode, int left, int top, int width, int *dflt, int *bar
	,char *title, char **option);
static int  uinput(int imode, int left, int top, char *prompt, char *str
	,int len ,int kmode);
rswindell's avatar
rswindell committed
84
85
86
87
static int  umsg(char *str);
static int  umsgf(char *fmt, ...);
static BOOL confirm(char *fmt, ...);
static BOOL deny(char *fmt, ...);
88
89
90
91
92
93
94
95
96
97
static void upop(char *str);
static void sethelp(int line, char* file);
static void showbuf(int mode, int left, int top, int width, int height, char *title
	, char *hbuf, int *curp, int *barp);

/* Dynamic menu support */
static int *last_menu_cur=NULL;
static int *last_menu_bar=NULL;
static int save_menu_cur=-1;
static int save_menu_bar=-1;
98
static int save_menu_opts=-1;
99

100
101
char* uifcYesNoOpts[]={"Yes","No",NULL};

102
103
104
105
106
static void reset_dynamic(void) {
	last_menu_cur=NULL;
	last_menu_bar=NULL;
	save_menu_cur=-1;
	save_menu_bar=-1;
107
	save_menu_opts=-1;
108
109
}

110
static uifc_graphics_t cp437_chars = {
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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
	.background=0xb0,
	.help_char='?',
	.close_char=0xfe,
	.up_arrow=30,
	.down_arrow=31,
	.button_left='[',
	.button_right=']',

	.list_top_left=0xc9,
	.list_top=0xcd,
	.list_top_right=0xbb,
	.list_separator_left=0xcc,
	.list_separator_right=0xb9,
	.list_horizontal_separator=0xcd,
	.list_left=0xba,
	.list_right=0xba,
	.list_bottom_left=0xc8,
	.list_bottom_right=0xbc,
	.list_bottom=0xcd,
	.list_scrollbar_separator=0xb3,

	.input_top_left=0xc9,
	.input_top=0xcd,
	.input_top_right=0xbb,
	.input_left=0xba,
	.input_right=0xba,
	.input_bottom_left=0xc8,
	.input_bottom_right=0xbc,
	.input_bottom=0xcd,

	.popup_top_left=0xda,
	.popup_top=0xc4,
	.popup_top_right=0xbf,
	.popup_left=0xb3,
	.popup_right=0xb3,
	.popup_bottom_left=0xc0,
	.popup_bottom_right=0xd9,
	.popup_bottom=0xc4,

	.help_top_left=0xda,
	.help_top=0xc4,
	.help_top_right=0xbf,
	.help_left=0xb3,
	.help_right=0xb3,
	.help_bottom_left=0xc0,
	.help_bottom_right=0xd9,
	.help_bottom=0xc4,
	.help_titlebreak_left=0xb4,
	.help_titlebreak_right=0xc3,
	.help_hitanykey_left=0xb4,
	.help_hitanykey_right=0xc3,
};

164
165
166
167
168
/****************************************************************************/
/* Initialization function, see uifc.h for details.							*/
/* Returns 0 on success.													*/
/****************************************************************************/

169
170
void uifc_mouse_enable(void)
{
171
172
173
174
175
	ciomouse_setevents(0);
	ciomouse_addevent(CIOLIB_BUTTON_1_DRAG_START);
	ciomouse_addevent(CIOLIB_BUTTON_1_DRAG_MOVE);
	ciomouse_addevent(CIOLIB_BUTTON_1_DRAG_END);
	ciomouse_addevent(CIOLIB_BUTTON_1_CLICK);
deuce's avatar
deuce committed
176
	ciomouse_addevent(CIOLIB_BUTTON_2_CLICK);
177
	ciomouse_addevent(CIOLIB_BUTTON_3_CLICK);
deuce's avatar
deuce committed
178
179
	ciomouse_addevent(CIOLIB_BUTTON_4_PRESS);
	ciomouse_addevent(CIOLIB_BUTTON_5_PRESS);
180
181
182
183
184
185
186
187
188
	showmouse();
}

void uifc_mouse_disable(void)
{
	ciomouse_setevents(0);
	hidemouse();
}

deuce's avatar
deuce committed
189
int kbwait(void) {
190
	int timeout=0;
191
	while(timeout++<50) {
192
		if(kbhit())
193
			return(TRUE);
194
		mswait(1);
195
196
197
198
	}
	return(FALSE);
}

199
int inkey(void)
deuce's avatar
deuce committed
200
201
202
203
{
	int c;

	c=getch();
204
	if(!c || c==0xe0)
205
		c|=(getch()<<8);
deuce's avatar
deuce committed
206
207
	return(c);
}
208

deuce's avatar
deuce committed
209
int UIFCCALL uifcini32(uifcapi_t* uifcapi)
210
{
211
	unsigned	i;
212
213
214
215
216
217
	struct	text_info txtinfo;

    if(uifcapi==NULL || uifcapi->size!=sizeof(uifcapi_t))
        return(-1);

    api=uifcapi;
218
    if (api->chars == NULL)
rswindell's avatar
rswindell committed
219
220
221
222
		api->chars = &cp437_chars;

	if (api->yesNoOpts == NULL)
		api->yesNoOpts = uifcYesNoOpts;
223

224
    /* install function handlers */
225
226
227
    api->bail=uifcbail;
    api->scrn=uscrn;
    api->msg=umsg;
rswindell's avatar
rswindell committed
228
229
230
	api->msgf=umsgf;
	api->confirm=confirm;
	api->deny=deny;
231
232
233
234
235
    api->pop=upop;
    api->list=ulist;
    api->input=uinput;
    api->sethelp=sethelp;
    api->showhelp=help;
deuce's avatar
deuce committed
236
	api->showbuf=showbuf;
237
	api->timedisplay=timedisplay;
238
	api->bottomline=bottomline;
239
	api->getstrxy=ugetstr;
240
	api->printf=uprintf;
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270

    if(api->scrn_len!=0) {
        switch(api->scrn_len) {
            case 14:
                textmode(C80X14);
                break;
            case 21:
                textmode(C80X21);
                break;
            case 25:
                textmode(C80);
                break;
            case 28:
                textmode(C80X28);
                break;
            case 43:
                textmode(C80X43);
                break;
            case 50:
                textmode(C80X50);
                break;
            case 60:
                textmode(C80X60);
                break;
            default:
                textmode(C4350);
                break;
        }
    }

271
#if 0
272
    clrscr();
273
#endif
274
275
276
277

    gettextinfo(&txtinfo);
    /* unsupported mode? */
    if(txtinfo.screenheight<MIN_LINES
deuce's avatar
deuce committed
278
/*        || txtinfo.screenheight>MAX_LINES */
deuce's avatar
deuce committed
279
        || txtinfo.screenwidth<40) {
280
281
282
        textmode(C80);  /* set mode to 80x25*/
        gettextinfo(&txtinfo);
    }
283
	window(1,1,txtinfo.screenwidth,txtinfo.screenheight);
284
285

    api->scrn_len=txtinfo.screenheight;
deuce's avatar
deuce committed
286
    if(api->scrn_len<MIN_LINES) {
287
288
		uifcbail();
		printf("\r\nUIFC: Screen length (%u) must be %d lines or greater\r\n"
deuce's avatar
deuce committed
289
            ,api->scrn_len,MIN_LINES);
290
291
292
293
        return(-2);
    }
    api->scrn_len--; /* account for status line */

294
    if(txtinfo.screenwidth<40) {
295
296
		uifcbail();
        printf("\r\nUIFC: Screen width (%u) must be at least 40 characters\r\n"
297
298
299
300
301
302
303
            ,txtinfo.screenwidth);
        return(-3);
    }
	api->scrn_width=txtinfo.screenwidth;

    if(!(api->mode&UIFC_COLOR)
        && (api->mode&UIFC_MONO
304
305
306
307
308
309
            || txtinfo.currmode==MONO || txtinfo.currmode==BW40 || txtinfo.currmode==BW80
            || txtinfo.currmode==MONO14 || txtinfo.currmode==BW40X14 || txtinfo.currmode==BW80X14
            || txtinfo.currmode==MONO21 || txtinfo.currmode==BW40X21 || txtinfo.currmode==BW80X21
            || txtinfo.currmode==MONO28 || txtinfo.currmode==BW40X28 || txtinfo.currmode==BW80X28
            || txtinfo.currmode==MONO43 || txtinfo.currmode==BW40X43 || txtinfo.currmode==BW80X43
            || txtinfo.currmode==MONO50 || txtinfo.currmode==BW40X50 || txtinfo.currmode==BW80X50
deuce's avatar
deuce committed
310
            || txtinfo.currmode==MONO60 || txtinfo.currmode==BW40X60 || txtinfo.currmode==BW80X60
311
			|| txtinfo.currmode==ATARI_40X24 || txtinfo.currmode==ATARI_80X25))
312
	{
313
314
315
316
317
        api->bclr=BLACK;
        api->hclr=WHITE;
        api->lclr=LIGHTGRAY;
        api->cclr=LIGHTGRAY;
			api->lbclr=BLACK|(LIGHTGRAY<<4);	/* lightbar color */
318
    } else {
319
320
321
322
323
        api->bclr=BLUE;
        api->hclr=YELLOW;
        api->lclr=WHITE;
        api->cclr=CYAN;
		api->lbclr=BLUE|(LIGHTGRAY<<4);	/* lightbar color */
324
    }
325

326
327
	blk_scrn_len=api->scrn_width*api->scrn_len;
	if((blk_scrn=(struct vmem_cell *)malloc(blk_scrn_len * sizeof(*blk_scrn)))==NULL)  {
deuce's avatar
deuce committed
328
				cprintf("UIFC line %d: error allocating %u bytes."
329
					,__LINE__,blk_scrn_len * sizeof(*blk_scrn));
deuce's avatar
deuce committed
330
331
				return(-1);
	}
332
	if((tmp_buffer=(struct vmem_cell *)malloc(blk_scrn_len * sizeof(*blk_scrn)))==NULL)  {
deuce's avatar
deuce committed
333
				cprintf("UIFC line %d: error allocating %u bytes."
334
					,__LINE__,blk_scrn_len * sizeof(*blk_scrn));
deuce's avatar
deuce committed
335
336
				return(-1);
	}
337
	if((tmp_buffer2=(struct vmem_cell *)malloc(blk_scrn_len * sizeof(*blk_scrn)))==NULL)  {
338
				cprintf("UIFC line %d: error allocating %u bytes."
339
					,__LINE__,blk_scrn_len * sizeof(*blk_scrn));
340
341
				return(-1);
	}
342
343
344
345
346
347
    for(i=0;i<blk_scrn_len;i++) {
		blk_scrn[i].legacy_attr = api->cclr|(api->bclr<<4);
		blk_scrn[i].ch = api->chars->background;
		blk_scrn[i].font = 0;
		attr2palette(blk_scrn[i].legacy_attr, &blk_scrn[i].fg, &blk_scrn[i].bg);
	}
348
349
350
351

    cursor=_NOCURSOR;
    _setcursortype(cursor);

352
	if(cio_api.mouse && !(api->mode&UIFC_NOMOUSE)) {
353
		api->mode|=UIFC_MOUSE;
354
355
		uifc_mouse_enable();
	}
356

357
358
359
360
361
362
363
	/* A esc_delay of less than 10 is stupid... silently override */
	if(api->esc_delay < 10)
		api->esc_delay=25;

	if(cio_api.ESCDELAY)
		*(cio_api.ESCDELAY)=api->esc_delay;

364
365
	for(i=0; i<MAX_BUFS; i++)
		sav[i].buf=NULL;
deuce's avatar
deuce committed
366
367
368
	api->savnum=0;

	api->initialized=TRUE;
369

370
    return(0);
371
372
}

373
374
375
376
void docopy(void)
{
	int	key;
	struct mouse_event mevent;
377
378
379
	struct ciolib_screen *screen;
	struct ciolib_screen *sbuffer;
	int sbufsize;
380
381
382
	int x,y,startx,starty,endx,endy,lines;
	int outpos;
	char *copybuf;
383
384
385
386
387
388
389
390
391
392
393
394
	uint32_t bg0;
	uint32_t bg1;
	uint32_t bg6;
	uint32_t fg8;

	attr2palette(0x08, &fg8, &bg0);
	attr2palette(0x10, NULL, &bg1);
	attr2palette(0x60, NULL, &bg6);
	screen=ciolib_savescreen();
	sbuffer=ciolib_savescreen();
	FREE_AND_NULL(sbuffer->pixels);
	sbufsize=screen->text_info.screenwidth * screen->text_info.screenheight * sizeof(screen->vmem[0]);
395
396
	while(1) {
		key=getch();
397
		if(key==0 || key==0xe0)
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
			key|=getch()<<8;
		switch(key) {
			case CIO_KEY_MOUSE:
				getmouse(&mevent);
				if(mevent.startx<mevent.endx) {
					startx=mevent.startx;
					endx=mevent.endx;
				}
				else {
					startx=mevent.endx;
					endx=mevent.startx;
				}
				if(mevent.starty<mevent.endy) {
					starty=mevent.starty;
					endy=mevent.endy;
				}
				else {
					starty=mevent.endy;
					endy=mevent.starty;
				}
				switch(mevent.event) {
					case CIOLIB_BUTTON_1_DRAG_MOVE:
420
						memcpy(sbuffer->vmem,screen->vmem,sbufsize);
421
422
423
						for(y=starty-1;y<endy;y++) {
							for(x=startx-1;x<endx;x++) {
								int pos=y*api->scrn_width+x;
424
425
426

								if (sbuffer->vmem[pos].bg != bg1)
									sbuffer->vmem[pos].bg = bg1;
427
								else
428
429
430
431
432
433
434
435
436
									sbuffer->vmem[pos].bg = bg6;
								if (sbuffer->vmem[pos].bg == sbuffer->vmem[pos].fg)
									attr2palette(sbuffer->vmem[pos].legacy_attr | 0x08, &sbuffer->vmem[pos].fg, &sbuffer->vmem[pos].bg);
								if ((sbuffer->vmem[pos].legacy_attr & 0x70) != 0x10)
									sbuffer->vmem[pos].legacy_attr = (sbuffer->vmem[pos].legacy_attr & 0x8f) | 0x10;
								else
									sbuffer->vmem[pos].legacy_attr = (sbuffer->vmem[pos].legacy_attr & 0x8f) | 0x60;
								if (((sbuffer->vmem[pos].legacy_attr & 0x70) >> 4) == (sbuffer->vmem[pos].legacy_attr & 0x08))
									sbuffer->vmem[pos].legacy_attr |= 0x08;
437
438
							}
						}
439
						restorescreen(sbuffer);
440
441
442
						break;
					case CIOLIB_BUTTON_1_DRAG_END:
						lines=abs(mevent.endy-mevent.starty)+1;
deuce's avatar
deuce committed
443
						copybuf=malloc(((endy-starty+1)*(endx-startx+1)+1+lines*2)*4);
444
445
446
						outpos=0;
						for(y=starty-1;y<endy;y++) {
							for(x=startx-1;x<endx;x++) {
deuce's avatar
deuce committed
447
448
449
450
451
452
453
454
455
456
								size_t outlen;
								uint8_t *utf8str;
								char ch;

								ch = screen->vmem[(y*api->scrn_width+x)].ch ? screen->vmem[(y*api->scrn_width+x)].ch : ' ';
								utf8str = cp_to_utf8(conio_fontdata[screen->vmem[(y*api->scrn_width+x)].font].cp, &ch, 1, &outlen);
								if (utf8str == NULL)
									continue;
								memcpy(copybuf + outpos, utf8str, outlen);
								outpos += outlen;
457
							}
458
459
460
							#ifdef _WIN32
								copybuf[outpos++]='\r';
							#endif
461
462
463
464
							copybuf[outpos++]='\n';
						}
						copybuf[outpos]=0;
						copytext(copybuf, strlen(copybuf));
deuce's avatar
deuce committed
465
						free(copybuf);
466
467
468
						restorescreen(screen);
						freescreen(screen);
						freescreen(sbuffer);
469
470
471
472
						return;
				}
				break;
			default:
473
474
475
				restorescreen(screen);
				freescreen(screen);
				freescreen(sbuffer);
476
477
478
479
480
481
				ungetch(key);
				return;
		}
	}
}

482
483
484
485
486
487
488
489
490
static int uifc_getmouse(struct mouse_event *mevent)
{
	mevent->startx=0;
	mevent->starty=0;
	mevent->event=0;
	if(api->mode&UIFC_MOUSE) {
		getmouse(mevent);
		if(mevent->event==CIOLIB_BUTTON_3_CLICK)
			return(ESC);
491
492
493
494
		if(mevent->event==CIOLIB_BUTTON_1_DRAG_START) {
			docopy();
			return(0);
		}
495
496
497
498
499
500
501
502
503
504
505
506
		if(mevent->starty==api->buttony) {
			if(mevent->startx>=api->exitstart
					&& mevent->startx<=api->exitend
					&& mevent->event==CIOLIB_BUTTON_1_CLICK) {
				return(ESC);
			}
			if(mevent->startx>=api->helpstart
					&& mevent->startx<=api->helpend
					&& mevent->event==CIOLIB_BUTTON_1_CLICK) {
				return(CIO_KEY_F(1));
			}
		}
deuce's avatar
deuce committed
507
508
509
510
		if (mevent->event == CIOLIB_BUTTON_4_PRESS)
			return(CIO_KEY_UP);
		if (mevent->event == CIOLIB_BUTTON_5_PRESS)
			return(CIO_KEY_DOWN);
511
512
513
514
515
		return(0);
	}
	return(-1);
}

516
517
void uifcbail(void)
{
deuce's avatar
deuce committed
518
519
	int i;

520
521
	_setcursortype(_NORMALCURSOR);
	textattr(LIGHTGRAY);
522
	uifc_mouse_disable();
523
	suspendciolib();
deuce's avatar
deuce committed
524
525
526
	FREE_AND_NULL(blk_scrn);
	FREE_AND_NULL(tmp_buffer);
	FREE_AND_NULL(tmp_buffer2);
527
	api->initialized=FALSE;
deuce's avatar
deuce committed
528
529
	for(i=0; i< MAX_BUFS; i++)
		FREE_AND_NULL(sav[i].buf);
530
531
532
533
534
535
536
537
}

/****************************************************************************/
/* Clear screen, fill with background attribute, display application title.	*/
/* Returns 0 on success.													*/
/****************************************************************************/
int uscrn(char *str)
{
538
    textattr(api->bclr|(api->cclr<<4));
539
    gotoxy(1,1);
540
    clreol();
541
542
    gotoxy(3,1);
	cputs(str);
543
    if(!vmem_puttext(1,2,api->scrn_width,api->scrn_len,blk_scrn))
544
545
        return(-1);
    gotoxy(1,api->scrn_len+1);
546
    clreol();
547
	reset_dynamic();
548
	setname(str);
549
550
551
552
553
554
555
    return(0);
}

/****************************************************************************/
/****************************************************************************/
static void scroll_text(int x1, int y1, int x2, int y2, int down)
{
556
	vmem_gettext(x1,y1,x2,y2,tmp_buffer2);
557
	if(down)
558
		vmem_puttext(x1,y1+1,x2,y2,tmp_buffer2);
559
	else
560
		vmem_puttext(x1,y1,x2,y2-1,tmp_buffer2+(((x2-x1)+1)));
561
562
563
564
565
566
}

/****************************************************************************/
/* Updates time in upper left corner of screen with current time in ASCII/  */
/* Unix format																*/
/****************************************************************************/
567
static void timedisplay(BOOL force)
568
569
{
	static time_t savetime;
570
	static int savemin;
571
	time_t now;
572
	struct tm gm;
573
	int old_hold;
574
575

	now=time(NULL);
576
577
	localtime_r(&now, &gm);
	if(force || savemin != gm.tm_min || difftime(now,savetime)>=60) {
578
579
		old_hold=hold_update;
		hold_update=FALSE;
580
		uprintf(api->scrn_width-25,1,api->bclr|(api->cclr<<4),utimestr(&now));
581
		hold_update=old_hold;
582
		savetime=now;
583
		savemin = gm.tm_min;
584
585
586
587
588
589
	}
}

/****************************************************************************/
/* Truncates white-space chars off end of 'str'								*/
/****************************************************************************/
590
static void truncspctrl(char *str)
591
592
593
594
{
	uint c;

	c=strlen(str);
deuce's avatar
deuce committed
595
	while(c && (uchar)str[c-1]<=' ') c--;
596
597
598
599
	if(str[c]!=0)	/* don't write to string constants */
		str[c]=0;
}

600
static void
601
inactive_win(struct vmem_cell *buf, int left, int top, int right, int bottom, int y, int hbrdrsize, uchar cclr, uchar lclr, uchar hclr, int btop)
602
603
604
605
606
607
608
609
{
	int width = right - left + 1;
	int height = bottom - top + 1;
	int i, j;

	vmem_gettext(left, top, right, bottom, buf);
	for (i=0; i < (width * height); i++)
		set_vmem_attr(&buf[i], lclr | (cclr<<4));
610
611
	j=(((y-btop)*width))+3+((width-hbrdrsize-2));
	for(i=(((y-btop)*width))+3;i<j;i++)
612
613
614
615
616
		set_vmem_attr(&buf[i], hclr|(cclr<<4));

	vmem_puttext(left, top, right, bottom, buf);
}

617
618
619
620
/****************************************************************************/
/* General menu function, see uifc.h for details.							*/
/****************************************************************************/
int ulist(int mode, int left, int top, int width, int *cur, int *bar
deuce's avatar
deuce committed
621
	, char *initial_title, char **option)
622
{
deuce's avatar
deuce committed
623
	struct vmem_cell *ptr, *win, shade[MAX_LINES*2], line[MAX_COLS];
rswindell's avatar
rswindell committed
624
	static char search[MAX_OPLN] = "";
625
626
627
	int height,y;
	int i,j,opts=0,s=0; /* s=search index into options */
	int	is_redraw=0;
628
629
630
631
632
633
634
635
636
637
	int s_top=SCRN_TOP;
	int s_left=SCRN_LEFT;
	int s_right=SCRN_RIGHT;
	int s_bottom=api->scrn_len-3;
	int hbrdrsize=2;
	int lbrdrwidth=1;
	int rbrdrwidth=1;
	int vbrdrsize=4;
	int tbrdrwidth=3;
	int bbrdrwidth=1;
638
	int title_len;
639
	int tmpcur=0;
640
	struct mouse_event mevnt;
641
	char	*title=NULL;
642
	int	a,b,c,longopt;
643
	int	optheight=0;
644
	int gotkey;
645
646
	uchar	hclr,lclr,bclr,cclr,lbclr;

647
	if(cur==NULL) cur=&tmpcur;
648
	api->exit_flags = 0;
649
650
651
652
653
654
655
656
657
658
659
660
	hclr=api->hclr;
	lclr=api->lclr;
	bclr=api->bclr;
	cclr=api->cclr;
	lbclr=api->lbclr;
	if(mode & WIN_INACT) {
		bclr=api->cclr;
		hclr=api->lclr;
		lclr=api->lclr;
		cclr=api->cclr;
		lbclr=(api->cclr<<4)|api->hclr;
	}
661
662
	title=strdup(initial_title==NULL?"":initial_title);

663
664
	if(!(api->mode&UIFC_NHM))
		uifc_mouse_disable();
665
666

	title_len=strlen(title);
667
668
669

	if(mode&WIN_FAT) {
		s_top=1;
670
		s_left=2;
671
672
		s_right=api->scrn_width-3;  /* Leave space for the shadow */
		s_bottom=api->scrn_len-1;   /* Leave one for the shadow */
673
	}
674
675
676
677
678
679
680
681
	if(mode&WIN_NOBRDR) {
		hbrdrsize=0;
		vbrdrsize=0;
		lbrdrwidth=0;
		rbrdrwidth=0;
		tbrdrwidth=0;
		bbrdrwidth=0;
	}
682
683
684
685
686
687
688
689
	/* Count the options */
	while (option != NULL && opts < MAX_OPTS) {
		if (option[opts] == NULL || option[opts][0] == 0)
			break;
		else opts++;
	}
	if (mode&WIN_XTR && opts<MAX_OPTS)
		opts++;
690

691
	/* Sanity-check the savnum */
692
693
	if(mode&WIN_SAV && api->savnum>=MAX_BUFS-1)
		putch(7);
694

695
696
	api->help_available = (api->helpbuf!=NULL || api->helpixbfile[0]!=0);

697
	/* Create the status bar/bottom-line */
698
	int bline = mode;
699
700
	if (api->bottomline != NULL) {
		if ((mode&(WIN_XTR | WIN_PASTEXTR)) == WIN_XTR && (*cur) == opts - 1)
701
			api->bottomline(bline & ~WIN_PASTE);
702
703
704
		else
			api->bottomline(bline);
	}
705
	optheight=opts+vbrdrsize;
706
	height=optheight;
707
708
709
	if(mode&WIN_FIXEDHEIGHT) {
		height=api->list_height;
	}
710
711
	if(top+height>s_bottom)
		height=(s_bottom)-top;
712
713
	if(optheight>height)
		optheight=height;
714
715
	if(!width || width<title_len+hbrdrsize+2) {
		width=title_len+hbrdrsize+2;
716
		for(i=0;i<opts;i++) {
717
			if(option[i]!=NULL) {
718
				truncspctrl(option[i]);
719
720
721
				if((j=strlen(option[i])+hbrdrsize+2+1)>width)
					width=j;
			}
722
723
		}
	}
724
	/* Determine minimum widths here to accommodate mouse "icons" in border */
725
	if(!(mode&WIN_NOBRDR) && api->mode&UIFC_MOUSE) {
726
		if(api->help_available && width<8)
727
728
729
730
			width=8;
		else if(width<5)
			width=5;
	}
731
732
	if(width>(s_right+1)-s_left) {
		width=(s_right+1)-s_left;
733
734
735
736
737
		if(title_len>(width-hbrdrsize-2)) {
			*(title+width-hbrdrsize-2-3)='.';
			*(title+width-hbrdrsize-2-2)='.';
			*(title+width-hbrdrsize-2-1)='.';
			*(title+width-hbrdrsize-2)=0;
738
			title_len=strlen(title);
739
		}
740
	}
741
	if(mode&WIN_L2R)
deuce's avatar
deuce committed
742
		left=(s_right-s_left-width+1)/2;
743
	else if(mode&WIN_RHT)
744
		left=s_right-(width+hbrdrsize+2+left);
745
	if(mode&WIN_T2B)
deuce's avatar
deuce committed
746
		top=(api->scrn_len-height+1)/2-2;
747
	else if(mode&WIN_BOT)
748
		top=s_bottom-height-top;
749
750
	if(left<0)
		left=0;
751
752
	if(top<0)
		top=0;
753
754

	/* Dynamic Menus */
755
	if(mode&WIN_DYN
756
757
758
			&& cur != NULL
			&& bar != NULL
			&& last_menu_cur==cur
759
760
			&& last_menu_bar==bar
			&& save_menu_cur==*cur
761
			&& save_menu_bar==*bar
deuce's avatar
deuce committed
762
			&& save_menu_opts==opts) {
deuce's avatar
deuce committed
763
		is_redraw=1;
764
765
	}

766
767
768
769
	if(mode&WIN_DYN && mode&WIN_REDRAW)
		is_redraw=1;
	if(mode&WIN_DYN && mode&WIN_NODRAW)
		is_redraw=0;
770

deuce's avatar
deuce committed
771
772
773
	if(mode&WIN_ORG) {		/* Clear all save buffers on WIN_ORG */
		for(i=0; i< MAX_BUFS; i++)
			FREE_AND_NULL(sav[i].buf);
774
		api->savnum=0;
deuce's avatar
deuce committed
775
776
	}

777
	if(mode&WIN_SAV) {
778
779
780
781
782
783
		/* Check if this screen (by cur/bar) is already saved */
		for(i=0; i<MAX_BUFS; i++) {
			if(sav[i].buf!=NULL) {
				if(cur==sav[i].cur && bar==sav[i].bar) {
					/* Yes, it is... */
					for(j=api->savnum-1; j>i; j--) {
784
						/* Restore old screens */
deuce's avatar
deuce committed
785
786
						vmem_puttext(sav[j].left,sav[j].top,sav[j].right,sav[j].bot
							,(void *)sav[j].buf);	/* put original window back */
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
						FREE_AND_NULL(sav[j].buf);
					}
					api->savnum=i;
				}
			}
		}
		/* savnum not the next one - must be a dynamic window or we popped back up the stack */
		if(sav[api->savnum].buf != NULL) {
			/* Is this even the right window? */
			if(sav[api->savnum].cur==cur
					&& sav[api->savnum].bar==bar) {
				if((sav[api->savnum].left!=s_left+left
					|| sav[api->savnum].top!=s_top+top
					|| sav[api->savnum].right!=s_left+left+width+1
					|| sav[api->savnum].bot!=s_top+top+height)) { /* dimensions have changed */
deuce's avatar
deuce committed
802
803
					vmem_puttext(sav[api->savnum].left,sav[api->savnum].top,sav[api->savnum].right,sav[api->savnum].bot
						,(void *)sav[api->savnum].buf);	/* put original window back */
804
					FREE_AND_NULL(sav[api->savnum].buf);
deuce's avatar
deuce committed
805
					if ((sav[api->savnum].buf = malloc((width + 3) * (height + 2) * sizeof(struct vmem_cell)))==NULL) {
806
						cprintf("UIFC line %d: error allocating %u bytes."
807
							,__LINE__,(width+3)*(height+2)*sizeof(struct vmem_cell));
808
						free(title);
809
810
						if(!(api->mode&UIFC_NHM))
							uifc_mouse_enable();
811
812
						return(-1);
					}
deuce's avatar
deuce committed
813
814
					vmem_gettext(s_left+left,s_top+top,s_left+left+width+1
						,s_top+top+height,(void *)sav[api->savnum].buf);	  /* save again */
815
816
817
818
819
820
821
822
823
824
825
826
					sav[api->savnum].left=s_left+left;
					sav[api->savnum].top=s_top+top;
					sav[api->savnum].right=s_left+left+width+1;
					sav[api->savnum].bot=s_top+top+height;
					sav[api->savnum].cur=cur;
					sav[api->savnum].bar=bar;
				}
			}
			else {
				/* Find something available... */
				while(sav[api->savnum].buf!=NULL)
					api->savnum++;
827
828
			}
		}
829
		else {
deuce's avatar
deuce committed
830
			if((sav[api->savnum].buf=malloc((width+3)*(height+2)*sizeof(struct vmem_cell)))==NULL) {
831
				cprintf("UIFC line %d: error allocating %u bytes."
832
					,__LINE__,(width+3)*(height+2)*sizeof(struct vmem_cell));
833
				free(title);
834
835
				if(!(api->mode&UIFC_NHM))
					uifc_mouse_enable();
836
				return(-1);
837
			}
deuce's avatar
deuce committed
838
839
			vmem_gettext(s_left+left,s_top+top,s_left+left+width+1
				,s_top+top+height,(void *)sav[api->savnum].buf);
840
841
842
843
			sav[api->savnum].left=s_left+left;
			sav[api->savnum].top=s_top+top;
			sav[api->savnum].right=s_left+left+width+1;
			sav[api->savnum].bot=s_top+top+height;
844
845
			sav[api->savnum].cur=cur;
			sav[api->savnum].bar=bar;
846
		}
847
848
849
850
851
	}

	if(!is_redraw) {
		if(mode&WIN_ORG) { /* Clear around menu */
			if(top)
852
				vmem_puttext(1,2,api->scrn_width,s_top+top-1,blk_scrn);
853
			if((unsigned)(s_top+height+top)<=api->scrn_len)
854
				vmem_puttext(1,s_top+height+top,api->scrn_width,api->scrn_len,blk_scrn);
855
			if(left)
856
				vmem_puttext(1,s_top+top,s_left+left-1,s_top+height+top
857
					,blk_scrn);
858
			if(s_left+left+width<=s_right)
859
				vmem_puttext(s_left+left+width,s_top+top,/* s_right+2 */api->scrn_width
860
					,s_top+height+top,blk_scrn);
861
		}
deuce's avatar
deuce committed
862
		ptr=tmp_buffer;
863
		if(!(mode&WIN_NOBRDR)) {
864
			set_vmem(ptr++, api->chars->list_top_left, hclr|(bclr<<4), 0);
865

866
			if(api->mode&UIFC_MOUSE) {
867
				set_vmem(ptr++, api->chars->button_left, hclr|(bclr<<4), 0);
868
				/* *(ptr++)=''; */
869
870
				set_vmem(ptr++, api->chars->close_char, lclr|(bclr<<4), 0);
				set_vmem(ptr++, api->chars->button_right, hclr|(bclr<<4), 0);
871
				i=3;
872
				if(api->help_available) {
873
874
875
					set_vmem(ptr++, api->chars->button_left, hclr|(bclr<<4), 0);
					set_vmem(ptr++, api->chars->help_char, lclr|(bclr<<4), 0);
					set_vmem(ptr++, api->chars->button_right, hclr|(bclr<<4), 0);
876
877
					i+=3;
				}
878
879
880
881
882
883
884
885
886
				api->buttony=s_top+top;
				api->exitstart=s_left+left+1;
				api->exitend=s_left+left+3;
				api->helpstart=s_left+left+4;
				api->helpend=s_left+left+6;
			}
			else
				i=0;

887
888
889
890
			for(;i<width-2;i++)
				set_vmem(ptr++, api->chars->list_top, hclr|(bclr<<4), 0);
			set_vmem(ptr++, api->chars->list_top_right, hclr|(bclr<<4), 0);
			set_vmem(ptr++, api->chars->list_left, hclr|(bclr<<4), 0);
891
892
893
			a=title_len;
			b=(width-a-1)/2;
			for(i=0;i<b;i++) {
894
				set_vmem(ptr++, ' ', hclr|(bclr<<4), 0);
895
			}
896
897
898
899
900
901
902
903
904
			for(i=0;i<a;i++)
				set_vmem(ptr++, title[i], hclr|(bclr<<4), 0);
			for(i=0;i<width-(a+b)-2;i++)
				set_vmem(ptr++, ' ', hclr|(bclr<<4), 0);
			set_vmem(ptr++, api->chars->list_right, hclr|(bclr<<4), 0);
			set_vmem(ptr++, api->chars->list_separator_left, hclr|(bclr<<4), 0);
			for(i=0;i<width-2;i++)
				set_vmem(ptr++, api->chars->list_horizontal_separator, hclr|(bclr<<4), 0);
			set_vmem(ptr++, api->chars->list_separator_right, hclr|(bclr<<4), 0);
905
906
907
908
909
910
		}

		if((*cur)>=opts)
			(*cur)=opts-1;			/* returned after scrolled */

		if(!bar) {
911
912
913
914
			if((*cur)>height-vbrdrsize-1)
				(*cur)=height-vbrdrsize-1;
			if((*cur)>opts-1)
				(*cur)=opts-1;
915
			i=0;
916
917
918
919
		}
		else {
			if((*bar)>=opts)
				(*bar)=opts-1;
920
921
			if((*bar)>height-vbrdrsize-1)
				(*bar)=height-vbrdrsize-1;
922
			if((*cur)==opts-1)
923
924
925
				(*bar)=height-vbrdrsize-1;
			if((*bar)>opts-1)
				(*bar)=opts-1;
926
927
928
929
930
			if((*bar)<0)
				(*bar)=0;
			if((*cur)<(*bar))
				(*cur)=(*bar);
			i=(*cur)-(*bar);
931
932
933
934
			if(i+(height-vbrdrsize-1)>=opts) {
				i=opts-(height-vbrdrsize);
				if(i<0)
					i=0;
935
936
				(*cur)=i+(*bar);
			}
937
938
939
		}
		if((*cur)<0)
			(*cur)=0;
940

941
942
943
		j=0;
		if(i<0) i=0;
		longopt=0;
944
		while(j<height-vbrdrsize) {
945
946
947
948
			if(!(mode&WIN_NOBRDR))
				set_vmem(ptr++, api->chars->list_left, hclr|(bclr<<4), 0);
			set_vmem(ptr++, ' ', hclr|(bclr<<4), 0);
			set_vmem(ptr++, api->chars->list_scrollbar_separator, lclr|(bclr<<4), 0);
949
			if(i==(*cur))
950
				a=lbclr;
951
			else
952
				a=lclr|(bclr<<4);
953
			if(i<opts && option[i]!=NULL) {
954
955
956
957
958
				b=strlen(option[i]);
				if(b>longopt)
					longopt=b;
				if(b+hbrdrsize+2>width)
					b=width-hbrdrsize-2;
959
960
				for(c=0;c<b;c++)
					set_vmem(ptr++, option[i][c], a, 0);
961
			}
962
963
			else
				c=0;
964
			while(c<width-hbrdrsize-2) {
965
				set_vmem(ptr++, ' ', a, 0);
966
967
				c++;
			}
968
969
			if(!(mode&WIN_NOBRDR))
				set_vmem(ptr++, api->chars->list_right, hclr|(bclr<<4), 0);
970
			i++;
971
			j++;
972
973
		}
		if(!(mode&WIN_NOBRDR)) {
974
975
976
977
			set_vmem(ptr++, api->chars->list_bottom_left, hclr|(bclr<<4), 0);
			for(i=0;i<width-2;i++)
				set_vmem(ptr++, api->chars->list_bottom, hclr|(bclr<<4), 0);
			set_vmem(ptr, api->chars->list_bottom_right, hclr|(bclr<<4), 0);	/* Not incremented to shut up BCC */
978
		}
979
		vmem_puttext(s_left+left,s_top+top,s_left+left+width-1
980
981
982
983
984
985
986
987
			,s_top+top+height-1,tmp_buffer);
		if(bar)
			y=top+tbrdrwidth+(*bar);
		else
			y=top+tbrdrwidth+(*cur);
		if(opts+vbrdrsize>height && ((!bar && (*cur)!=opts-1)
			|| (bar && ((*cur)-(*bar))+(height-vbrdrsize)<opts))) {
			gotoxy(s_left+left+lbrdrwidth,s_top+top+height-bbrdrwidth-1);
988
			textattr(lclr|(bclr<<4));
989
			putch(api->chars->down_arrow);	   /* put down arrow */
990
			textattr(hclr|(bclr<<4));
991
		}
992

993
994
		if(bar && (*bar)!=(*cur)) {
			gotoxy(s_left+left+lbrdrwidth,s_top+top+tbrdrwidth);
995
			textattr(lclr|(bclr<<4));
996
			putch(api->chars->up_arrow);	   /* put the up arrow */
997
			textattr(hclr|(bclr<<4));
998
		}
999

1000
1001
		if(!(mode&WIN_NOBRDR)) {
			/* Shadow */
1002
			if(bclr==BLUE) {
deuce's avatar
deuce committed
1003
				vmem_gettext(s_left+left+width,s_top+top+1,s_left+left+width+1
1004
					,s_top+top+height-1,shade);
deuce's avatar
deuce committed
1005
1006
1007
				for(i=0;i<height*2;i++)
					set_vmem_attr(&shade[i], DARKGRAY);
				vmem_puttext(s_left+left+width,s_top+top+1,s_left+left+width+1
1008
					,s_top+top+height-1,shade);
deuce's avatar
deuce committed
1009
				vmem_gettext(s_left+left+2,s_top+top+height,s_left+left+width+1
1010
					,s_top+top+height,shade);
deuce's avatar
deuce committed
1011
1012
1013
				for(i=0;i<width;i++)
					set_vmem_attr(&shade[i], DARKGRAY);
				vmem_puttext(s_left+left+2,s_top+top+height,s_left+left+width+1
1014
					,s_top+top+height,shade);
1015
			}
1016
		}
1017
1018
	}
	else {	/* Is a redraw */
deuce's avatar
deuce committed
1019
1020
1021
1022
		if(bar)
			y=top+tbrdrwidth+(*bar);
		else
			y=top+tbrdrwidth+(*cur);
1023
		i=(*cur)+(top+tbrdrwidth-y);
1024
		j=tbrdrwidth-1;
1025
1026

		longopt=0;
1027
		while(j<height-bbrdrwidth-1) {
deuce's avatar
deuce committed
1028
			ptr=tmp_buffer;
1029
			if(i==(*cur))
1030
				a=lbclr;