uifc32.c 86.4 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);
deuce's avatar
deuce committed
180
	mousepointer(CIOLIB_MOUSEPTR_BAR);
181
182
183
184
185
186
187
188
189
	showmouse();
}

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

deuce's avatar
deuce committed
190
int kbwait(void) {
191
	int timeout=0;
192
	while(timeout++<50) {
193
		if(kbhit())
194
			return(TRUE);
195
		mswait(1);
196
197
198
199
	}
	return(FALSE);
}

200
int inkey(void)
deuce's avatar
deuce committed
201
202
203
204
{
	int c;

	c=getch();
205
	if(!c || c==0xe0)
206
		c|=(getch()<<8);
deuce's avatar
deuce committed
207
208
	return(c);
}
209

deuce's avatar
deuce committed
210
int UIFCCALL uifcini32(uifcapi_t* uifcapi)
211
{
212
	unsigned	i;
213
214
215
216
217
218
	struct	text_info txtinfo;

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

    api=uifcapi;
219
    if (api->chars == NULL)
rswindell's avatar
rswindell committed
220
221
222
223
		api->chars = &cp437_chars;

	if (api->yesNoOpts == NULL)
		api->yesNoOpts = uifcYesNoOpts;
224

225
    /* install function handlers */
226
227
228
    api->bail=uifcbail;
    api->scrn=uscrn;
    api->msg=umsg;
rswindell's avatar
rswindell committed
229
230
231
	api->msgf=umsgf;
	api->confirm=confirm;
	api->deny=deny;
232
233
234
235
236
    api->pop=upop;
    api->list=ulist;
    api->input=uinput;
    api->sethelp=sethelp;
    api->showhelp=help;
deuce's avatar
deuce committed
237
	api->showbuf=showbuf;
238
	api->timedisplay=timedisplay;
239
	api->bottomline=bottomline;
240
	api->getstrxy=ugetstr;
241
	api->printf=uprintf;
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
271

    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;
        }
    }

272
#if 0
273
    clrscr();
274
#endif
275
276
277
278

    gettextinfo(&txtinfo);
    /* unsupported mode? */
    if(txtinfo.screenheight<MIN_LINES
deuce's avatar
deuce committed
279
/*        || txtinfo.screenheight>MAX_LINES */
deuce's avatar
deuce committed
280
        || txtinfo.screenwidth<40) {
281
282
283
        textmode(C80);  /* set mode to 80x25*/
        gettextinfo(&txtinfo);
    }
284
	window(1,1,txtinfo.screenwidth,txtinfo.screenheight);
285
286

    api->scrn_len=txtinfo.screenheight;
deuce's avatar
deuce committed
287
    if(api->scrn_len<MIN_LINES) {
288
289
		uifcbail();
		printf("\r\nUIFC: Screen length (%u) must be %d lines or greater\r\n"
deuce's avatar
deuce committed
290
            ,api->scrn_len,MIN_LINES);
291
292
293
294
        return(-2);
    }
    api->scrn_len--; /* account for status line */

295
    if(txtinfo.screenwidth<40) {
296
297
		uifcbail();
        printf("\r\nUIFC: Screen width (%u) must be at least 40 characters\r\n"
298
299
300
301
302
303
304
            ,txtinfo.screenwidth);
        return(-3);
    }
	api->scrn_width=txtinfo.screenwidth;

    if(!(api->mode&UIFC_COLOR)
        && (api->mode&UIFC_MONO
305
306
307
308
309
310
            || 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
311
            || txtinfo.currmode==MONO60 || txtinfo.currmode==BW40X60 || txtinfo.currmode==BW80X60
312
			|| txtinfo.currmode==ATARI_40X24 || txtinfo.currmode==ATARI_80X25))
313
	{
314
315
316
317
318
        api->bclr=BLACK;
        api->hclr=WHITE;
        api->lclr=LIGHTGRAY;
        api->cclr=LIGHTGRAY;
			api->lbclr=BLACK|(LIGHTGRAY<<4);	/* lightbar color */
319
    } else {
320
321
322
323
324
        api->bclr=BLUE;
        api->hclr=YELLOW;
        api->lclr=WHITE;
        api->cclr=CYAN;
		api->lbclr=BLUE|(LIGHTGRAY<<4);	/* lightbar color */
325
    }
326

327
328
	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
329
				cprintf("UIFC line %d: error allocating %u bytes."
330
					,__LINE__,blk_scrn_len * sizeof(*blk_scrn));
deuce's avatar
deuce committed
331
332
				return(-1);
	}
333
	if((tmp_buffer=(struct vmem_cell *)malloc(blk_scrn_len * sizeof(*blk_scrn)))==NULL)  {
deuce's avatar
deuce committed
334
				cprintf("UIFC line %d: error allocating %u bytes."
335
					,__LINE__,blk_scrn_len * sizeof(*blk_scrn));
deuce's avatar
deuce committed
336
337
				return(-1);
	}
338
	if((tmp_buffer2=(struct vmem_cell *)malloc(blk_scrn_len * sizeof(*blk_scrn)))==NULL)  {
339
				cprintf("UIFC line %d: error allocating %u bytes."
340
					,__LINE__,blk_scrn_len * sizeof(*blk_scrn));
341
342
				return(-1);
	}
343
344
345
346
347
348
    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);
	}
349
350
351
352

    cursor=_NOCURSOR;
    _setcursortype(cursor);

353
	if(cio_api.mouse && !(api->mode&UIFC_NOMOUSE)) {
354
		api->mode|=UIFC_MOUSE;
355
356
		uifc_mouse_enable();
	}
357

358
359
360
361
362
363
364
	/* 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;

365
366
	for(i=0; i<MAX_BUFS; i++)
		sav[i].buf=NULL;
deuce's avatar
deuce committed
367
368
369
	api->savnum=0;

	api->initialized=TRUE;
370

371
    return(0);
372
373
}

374
375
376
377
void docopy(void)
{
	int	key;
	struct mouse_event mevent;
378
379
380
	struct ciolib_screen *screen;
	struct ciolib_screen *sbuffer;
	int sbufsize;
381
382
383
	int x,y,startx,starty,endx,endy,lines;
	int outpos;
	char *copybuf;
384
385
386
387
388
389
390
391
392
393
394
395
	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]);
396
397
	while(1) {
		key=getch();
398
		if(key==0 || key==0xe0)
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
			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:
421
						memcpy(sbuffer->vmem,screen->vmem,sbufsize);
422
423
424
						for(y=starty-1;y<endy;y++) {
							for(x=startx-1;x<endx;x++) {
								int pos=y*api->scrn_width+x;
425
426
427

								if (sbuffer->vmem[pos].bg != bg1)
									sbuffer->vmem[pos].bg = bg1;
428
								else
429
430
431
432
433
434
435
436
437
									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;
438
439
							}
						}
440
						restorescreen(sbuffer);
441
442
443
						break;
					case CIOLIB_BUTTON_1_DRAG_END:
						lines=abs(mevent.endy-mevent.starty)+1;
deuce's avatar
deuce committed
444
						copybuf=malloc(((endy-starty+1)*(endx-startx+1)+1+lines*2)*4);
445
446
447
						outpos=0;
						for(y=starty-1;y<endy;y++) {
							for(x=startx-1;x<endx;x++) {
deuce's avatar
deuce committed
448
449
450
451
452
453
454
455
456
457
								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;
458
							}
459
460
461
							#ifdef _WIN32
								copybuf[outpos++]='\r';
							#endif
462
463
464
465
							copybuf[outpos++]='\n';
						}
						copybuf[outpos]=0;
						copytext(copybuf, strlen(copybuf));
deuce's avatar
deuce committed
466
						free(copybuf);
467
468
469
						restorescreen(screen);
						freescreen(screen);
						freescreen(sbuffer);
470
471
472
473
						return;
				}
				break;
			default:
474
475
476
				restorescreen(screen);
				freescreen(screen);
				freescreen(sbuffer);
477
478
479
480
481
482
				ungetch(key);
				return;
		}
	}
}

483
484
485
486
487
488
489
490
491
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);
492
493
494
495
		if(mevent->event==CIOLIB_BUTTON_1_DRAG_START) {
			docopy();
			return(0);
		}
496
497
498
499
500
501
502
503
504
505
506
507
		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
508
509
510
511
		if (mevent->event == CIOLIB_BUTTON_4_PRESS)
			return(CIO_KEY_UP);
		if (mevent->event == CIOLIB_BUTTON_5_PRESS)
			return(CIO_KEY_DOWN);
512
513
514
515
516
		return(0);
	}
	return(-1);
}

517
518
void uifcbail(void)
{
deuce's avatar
deuce committed
519
520
	int i;

521
522
	_setcursortype(_NORMALCURSOR);
	textattr(LIGHTGRAY);
523
	uifc_mouse_disable();
524
	suspendciolib();
deuce's avatar
deuce committed
525
526
527
	FREE_AND_NULL(blk_scrn);
	FREE_AND_NULL(tmp_buffer);
	FREE_AND_NULL(tmp_buffer2);
528
	api->initialized=FALSE;
deuce's avatar
deuce committed
529
530
	for(i=0; i< MAX_BUFS; i++)
		FREE_AND_NULL(sav[i].buf);
531
532
533
534
535
536
537
538
}

/****************************************************************************/
/* Clear screen, fill with background attribute, display application title.	*/
/* Returns 0 on success.													*/
/****************************************************************************/
int uscrn(char *str)
{
539
    textattr(api->bclr|(api->cclr<<4));
540
    gotoxy(1,1);
541
    clreol();
542
543
    gotoxy(3,1);
	cputs(str);
544
    if(!vmem_puttext(1,2,api->scrn_width,api->scrn_len,blk_scrn))
545
546
        return(-1);
    gotoxy(1,api->scrn_len+1);
547
    clreol();
548
	reset_dynamic();
549
	setname(str);
550
551
552
553
554
555
556
    return(0);
}

/****************************************************************************/
/****************************************************************************/
static void scroll_text(int x1, int y1, int x2, int y2, int down)
{
557
	vmem_gettext(x1,y1,x2,y2,tmp_buffer2);
558
	if(down)
559
		vmem_puttext(x1,y1+1,x2,y2,tmp_buffer2);
560
	else
561
		vmem_puttext(x1,y1,x2,y2-1,tmp_buffer2+(((x2-x1)+1)));
562
563
564
565
566
567
}

/****************************************************************************/
/* Updates time in upper left corner of screen with current time in ASCII/  */
/* Unix format																*/
/****************************************************************************/
568
static void timedisplay(BOOL force)
569
570
{
	static time_t savetime;
571
	static int savemin;
572
	time_t now;
573
	struct tm gm;
574
	int old_hold;
575
576

	now=time(NULL);
577
578
	localtime_r(&now, &gm);
	if(force || savemin != gm.tm_min || difftime(now,savetime)>=60) {
579
580
		old_hold=hold_update;
		hold_update=FALSE;
581
		uprintf(api->scrn_width-25,1,api->bclr|(api->cclr<<4),utimestr(&now));
582
		hold_update=old_hold;
583
		savetime=now;
584
		savemin = gm.tm_min;
585
586
587
588
589
590
	}
}

/****************************************************************************/
/* Truncates white-space chars off end of 'str'								*/
/****************************************************************************/
591
static void truncspctrl(char *str)
592
593
594
595
{
	uint c;

	c=strlen(str);
deuce's avatar
deuce committed
596
	while(c && (uchar)str[c-1]<=' ') c--;
597
598
599
600
	if(str[c]!=0)	/* don't write to string constants */
		str[c]=0;
}

601
static void
602
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)
603
604
605
606
607
608
609
610
{
	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));
611
612
	j=(((y-btop)*width))+3+((width-hbrdrsize-2));
	for(i=(((y-btop)*width))+3;i<j;i++)
613
614
615
616
617
		set_vmem_attr(&buf[i], hclr|(cclr<<4));

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

618
619
620
621
/****************************************************************************/
/* 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
622
	, char *initial_title, char **option)
623
{
deuce's avatar
deuce committed
624
	struct vmem_cell *ptr, *win, shade[MAX_LINES*2], line[MAX_COLS];
rswindell's avatar
rswindell committed
625
	static char search[MAX_OPLN] = "";
626
627
628
	int height,y;
	int i,j,opts=0,s=0; /* s=search index into options */
	int	is_redraw=0;
629
630
631
632
633
634
635
636
637
638
	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;
639
	int title_len;
640
	int tmpcur=0;
641
	struct mouse_event mevnt;
642
	char	*title=NULL;
643
	int	a,b,c,longopt;
644
	int	optheight=0;
645
	int gotkey;
646
647
	uchar	hclr,lclr,bclr,cclr,lbclr;

648
	if(cur==NULL) cur=&tmpcur;
649
	api->exit_flags = 0;
650
651
652
653
654
655
656
657
658
659
660
661
	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;
	}
662
663
	title=strdup(initial_title==NULL?"":initial_title);

664
665
	if(!(api->mode&UIFC_NHM))
		uifc_mouse_disable();
666
667

	title_len=strlen(title);
668
669
670

	if(mode&WIN_FAT) {
		s_top=1;
671
		s_left=2;
672
673
		s_right=api->scrn_width-3;  /* Leave space for the shadow */
		s_bottom=api->scrn_len-1;   /* Leave one for the shadow */
674
	}
675
676
677
678
679
680
681
682
	if(mode&WIN_NOBRDR) {
		hbrdrsize=0;
		vbrdrsize=0;
		lbrdrwidth=0;
		rbrdrwidth=0;
		tbrdrwidth=0;
		bbrdrwidth=0;
	}
683
684
685
686
687
688
689
690
	/* 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++;
691

692
	/* Sanity-check the savnum */
693
694
	if(mode&WIN_SAV && api->savnum>=MAX_BUFS-1)
		putch(7);
695

696
697
	api->help_available = (api->helpbuf!=NULL || api->helpixbfile[0]!=0);

698
	/* Create the status bar/bottom-line */
699
	int bline = mode;
700
701
	if (api->bottomline != NULL) {
		if ((mode&(WIN_XTR | WIN_PASTEXTR)) == WIN_XTR && (*cur) == opts - 1)
702
			api->bottomline(bline & ~WIN_PASTE);
703
704
705
		else
			api->bottomline(bline);
	}
706
	optheight=opts+vbrdrsize;
707
	height=optheight;
708
709
710
	if(mode&WIN_FIXEDHEIGHT) {
		height=api->list_height;
	}
711
712
	if(top+height>s_bottom)
		height=(s_bottom)-top;
713
714
	if(optheight>height)
		optheight=height;
715
716
	if(!width || width<title_len+hbrdrsize+2) {
		width=title_len+hbrdrsize+2;
717
		for(i=0;i<opts;i++) {
718
			if(option[i]!=NULL) {
719
				truncspctrl(option[i]);
720
721
722
				if((j=strlen(option[i])+hbrdrsize+2+1)>width)
					width=j;
			}
723
724
		}
	}
725
	/* Determine minimum widths here to accommodate mouse "icons" in border */
726
	if(!(mode&WIN_NOBRDR) && api->mode&UIFC_MOUSE) {
727
		if(api->help_available && width<8)
728
729
730
731
			width=8;
		else if(width<5)
			width=5;
	}
732
733
	if(width>(s_right+1)-s_left) {
		width=(s_right+1)-s_left;
734
735
736
737
738
		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;
739
			title_len=strlen(title);
740
		}
741
	}
742
	if(mode&WIN_L2R)
deuce's avatar
deuce committed
743
		left=(s_right-s_left-width+1)/2;
744
	else if(mode&WIN_RHT)
745
		left=s_right-(width+hbrdrsize+2+left);
746
	if(mode&WIN_T2B)
deuce's avatar
deuce committed
747
		top=(api->scrn_len-height+1)/2-2;
748
	else if(mode&WIN_BOT)
749
		top=s_bottom-height-top;
750
751
	if(left<0)
		left=0;
752
753
	if(top<0)
		top=0;
754
755

	/* Dynamic Menus */
756
	if(mode&WIN_DYN
757
758
759
			&& cur != NULL
			&& bar != NULL
			&& last_menu_cur==cur
760
761
			&& last_menu_bar==bar
			&& save_menu_cur==*cur
762
			&& save_menu_bar==*bar
deuce's avatar
deuce committed
763
			&& save_menu_opts==opts) {
deuce's avatar
deuce committed
764
		is_redraw=1;
765
766
	}

767
768
769
770
	if(mode&WIN_DYN && mode&WIN_REDRAW)
		is_redraw=1;
	if(mode&WIN_DYN && mode&WIN_NODRAW)
		is_redraw=0;
771

deuce's avatar
deuce committed
772
773
774
	if(mode&WIN_ORG) {		/* Clear all save buffers on WIN_ORG */
		for(i=0; i< MAX_BUFS; i++)
			FREE_AND_NULL(sav[i].buf);
775
		api->savnum=0;
deuce's avatar
deuce committed
776
777
	}

778
	if(mode&WIN_SAV) {
779
780
781
782
783
784
		/* 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--) {
785
						/* Restore old screens */
deuce's avatar
deuce committed
786
787
						vmem_puttext(sav[j].left,sav[j].top,sav[j].right,sav[j].bot
							,(void *)sav[j].buf);	/* put original window back */
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
						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
803
804
					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 */
805
					FREE_AND_NULL(sav[api->savnum].buf);
deuce's avatar
deuce committed
806
					if ((sav[api->savnum].buf = malloc((width + 3) * (height + 2) * sizeof(struct vmem_cell)))==NULL) {
807
						cprintf("UIFC line %d: error allocating %u bytes."
808
							,__LINE__,(width+3)*(height+2)*sizeof(struct vmem_cell));
809
						free(title);
810
811
						if(!(api->mode&UIFC_NHM))
							uifc_mouse_enable();
812
813
						return(-1);
					}
deuce's avatar
deuce committed
814
815
					vmem_gettext(s_left+left,s_top+top,s_left+left+width+1
						,s_top+top+height,(void *)sav[api->savnum].buf);	  /* save again */
816
817
818
819
820
821
822
823
824
825
826
827
					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++;
828
829
			}
		}
830
		else {
deuce's avatar
deuce committed
831
			if((sav[api->savnum].buf=malloc((width+3)*(height+2)*sizeof(struct vmem_cell)))==NULL) {
832
				cprintf("UIFC line %d: error allocating %u bytes."
833
					,__LINE__,(width+3)*(height+2)*sizeof(struct vmem_cell));
834
				free(title);
835
836
				if(!(api->mode&UIFC_NHM))
					uifc_mouse_enable();
837
				return(-1);
838
			}
deuce's avatar
deuce committed
839
840
			vmem_gettext(s_left+left,s_top+top,s_left+left+width+1
				,s_top+top+height,(void *)sav[api->savnum].buf);
841
842
843
844
			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;
845
846
			sav[api->savnum].cur=cur;
			sav[api->savnum].bar=bar;
847
		}
848
849
850
851
852
	}

	if(!is_redraw) {
		if(mode&WIN_ORG) { /* Clear around menu */
			if(top)
853
				vmem_puttext(1,2,api->scrn_width,s_top+top-1,blk_scrn);
854
			if((unsigned)(s_top+height+top)<=api->scrn_len)
855
				vmem_puttext(1,s_top+height+top,api->scrn_width,api->scrn_len,blk_scrn);
856
			if(left)
857
				vmem_puttext(1,s_top+top,s_left+left-1,s_top+height+top
858
					,blk_scrn);
859
			if(s_left+left+width<=s_right)
860
				vmem_puttext(s_left+left+width,s_top+top,/* s_right+2 */api->scrn_width
861
					,s_top+height+top,blk_scrn);
862
		}
deuce's avatar
deuce committed
863
		ptr=tmp_buffer;
864
		if(!(mode&WIN_NOBRDR)) {
865
			set_vmem(ptr++, api->chars->list_top_left, hclr|(bclr<<4), 0);
866

867
			if(api->mode&UIFC_MOUSE) {
868
				set_vmem(ptr++, api->chars->button_left, hclr|(bclr<<4), 0);
869
				/* *(ptr++)=''; */
870
871
				set_vmem(ptr++, api->chars->close_char, lclr|(bclr<<4), 0);
				set_vmem(ptr++, api->chars->button_right, hclr|(bclr<<4), 0);
872
				i=3;
873
				if(api->help_available) {
874
875
876
					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);
877
878
					i+=3;
				}
879
880
881
882
883
884
885
886
887
				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;

888
889
890
891
			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);
892
893
894
			a=title_len;
			b=(width-a-1)/2;
			for(i=0;i<b;i++) {
895
				set_vmem(ptr++, ' ', hclr|(bclr<<4), 0);
896
			}
897
898
899
900
901
902
903
904
905
			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);
906
907
908
909
910
911
		}

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

		if(!bar) {
912
913
914
915
			if((*cur)>height-vbrdrsize-1)
				(*cur)=height-vbrdrsize-1;
			if((*cur)>opts-1)
				(*cur)=opts-1;
916
			i=0;
917
918
919
920
		}
		else {
			if((*bar)>=opts)
				(*bar)=opts-1;
921
922
			if((*bar)>height-vbrdrsize-1)
				(*bar)=height-vbrdrsize-1;
923
			if((*cur)==opts-1)
924
925
926
				(*bar)=height-vbrdrsize-1;
			if((*bar)>opts-1)
				(*bar)=opts-1;
927
928
929
930
931
			if((*bar)<0)
				(*bar)=0;
			if((*cur)<(*bar))
				(*cur)=(*bar);
			i=(*cur)-(*bar);
932
933
934
935
			if(i+(height-vbrdrsize-1)>=opts) {
				i=opts-(height-vbrdrsize);
				if(i<0)
					i=0;
936
937
				(*cur)=i+(*bar);
			}
938
939
940
		}
		if((*cur)<0)
			(*cur)=0;
941

942
943
944
		j=0;
		if(i<0) i=0;
		longopt=0;
945
		while(j<height-vbrdrsize) {
946
947
948
949
			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);
950
			if(i==(*cur))
951
				a=lbclr;
952
			else
953
				a=lclr|(bclr<<4);
954
			if(i<opts && option[i]!=NULL) {
955
956
957
958
959
				b=strlen(option[i]);
				if(b>longopt)
					longopt=b;
				if(b+hbrdrsize+2>width)
					b=width-hbrdrsize-2;
960
961
				for(c=0;c<b;c++)
					set_vmem(ptr++, option[i][c], a, 0);
962
			}
963
964
			else
				c=0;
965
			while(c<width-hbrdrsize-2) {
966
				set_vmem(ptr++, ' ', a, 0);
967
968
				c++;
			}
969
970
			if(!(mode&WIN_NOBRDR))
				set_vmem(ptr++, api->chars->list_right, hclr|(bclr<<4), 0);
971
			i++;
972
			j++;
973
974
		}
		if(!(mode&WIN_NOBRDR)) {
975
976
977
978
			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 */
979
		}
980
		vmem_puttext(s_left+left,s_top+top,s_left+left+width-1
981
982
983
984
985
986
987
988
			,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);
989
			textattr(lclr|(bclr<<4));
990
			putch(api->chars->down_arrow);	   /* put down arrow */
991
			textattr(hclr|(bclr<<4));
992
		}
993

994
995
		if(bar && (*bar)!=(*cur)) {
			gotoxy(s_left+left+lbrdrwidth,s_top+top+tbrdrwidth);
996
			textattr(lclr|(bclr<<4));
997
			putch(api->chars->up_arrow);	   /* put the up arrow */
998
			textattr(hclr|(bclr<<4));
999
		}
1000

1001
1002
		if(!(mode&WIN_NOBRDR)) {
			/* Shadow */
1003
			if(bclr==BLUE) {
deuce's avatar
deuce committed
1004
				vmem_gettext(s_left+left+width,s_top+top+1,s_left+left+width+1
1005
					,s_top+top+height-1,shade);
deuce's avatar
deuce committed
1006
1007
1008
				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
1009
					,s_top+top+height-1,shade);
deuce's avatar
deuce committed
1010
				vmem_gettext(s_left+left+2,s_top+top+height,s_left+left+width+1
1011
					,s_top+top+height,shade);
deuce's avatar
deuce committed
1012
1013
1014
				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
1015
					,s_top+top+height,shade);
1016
			}
1017
		}
1018
1019
	}
	else {	/* Is a redraw */
deuce's avatar
deuce committed
1020
1021
1022
1023
		if(bar)
			y=top+tbrdrwidth+(*bar);
		else
			y=top+tbrdrwidth+(*cur);
1024
		i=(*cur)+(top+tbrdrwidth-y);
1025
		j=tbrdrwidth-1;
1026
1027

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