uifc32.c 68.8 KB
Newer Older
deuce's avatar
deuce committed
1
/* uifc32.c */
2
3
4

/* Curses implementation of UIFC (user interface) library based on uifc.c */

rswindell's avatar
rswindell committed
5
6
/* $Id$ */

7
8
9
10
/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
11
 * Copyright 2005 Rob Swindell - http://www.synchro.net/copyright.html		*
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
49
50
 *																			*
 * 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

51
#include "ciolib.h"
52
#include "keys.h"
53
#include "uifc.h"
54
#define MAX_GETSTR	5120
55
56
57
58
59
60

#define BLINK	128

static int   cursor;
static char* helpfile=0;
static uint  helpline=0;
deuce's avatar
deuce committed
61
62
63
static size_t blk_scrn_len;
static char* blk_scrn;
static uchar* tmp_buffer;
64
static uchar* tmp_buffer2;
65
66
67
68
static win_t sav[MAX_BUFS];
static uifcapi_t* api;

/* Prototypes */
69
static int   uprintf(int x, int y, unsigned attr, char *fmt,...);
70
71
static void  bottomline(int line);
static char  *utimestr(time_t *intime);
deuce's avatar
deuce committed
72
static void  help(void);
73
static int   ugetstr(int left, int top, int width, char *outstr, int max, long mode, int *lastkey);
74
static void  timedisplay(BOOL force);
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93

/* 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);
static void umsg(char *str);
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;
94
static int save_menu_opts=-1;
95
96
97
98
99
100

static void reset_dynamic(void) {
	last_menu_cur=NULL;
	last_menu_bar=NULL;
	save_menu_cur=-1;
	save_menu_bar=-1;
101
	save_menu_opts=-1;
102
103
104
105
106
107
108
}

/****************************************************************************/
/* Initialization function, see uifc.h for details.							*/
/* Returns 0 on success.													*/
/****************************************************************************/

109
110
void uifc_mouse_enable(void)
{
111
112
113
114
115
	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
116
	ciomouse_addevent(CIOLIB_BUTTON_2_CLICK);
117
	ciomouse_addevent(CIOLIB_BUTTON_3_CLICK);
118
119
120
121
122
123
124
125
126
	showmouse();
}

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

deuce's avatar
deuce committed
127
int kbwait(void) {
128
	int timeout=0;
129
	while(timeout++<50) {
130
		if(kbhit())
131
			return(TRUE);
132
		mswait(1);
133
134
135
136
	}
	return(FALSE);
}

137
int inkey(void)
deuce's avatar
deuce committed
138
139
140
141
{
	int c;

	c=getch();
142
143
	if(!c || c==0xff)
		c|=(getch()<<8);
deuce's avatar
deuce committed
144
145
	return(c);
}
146

147
148
int uifcini32(uifcapi_t* uifcapi)
{
149
	unsigned	i;
150
151
152
153
154
155
156
	struct	text_info txtinfo;

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

    api=uifcapi;

157
    /* install function handlers */
158
159
160
161
162
163
164
165
    api->bail=uifcbail;
    api->scrn=uscrn;
    api->msg=umsg;
    api->pop=upop;
    api->list=ulist;
    api->input=uinput;
    api->sethelp=sethelp;
    api->showhelp=help;
deuce's avatar
deuce committed
166
	api->showbuf=showbuf;
167
	api->timedisplay=timedisplay;
168
	api->bottomline=bottomline;
169
	api->getstrxy=ugetstr;
170
	api->printf=uprintf;
171

172
173
174
175
	/* A esc_delay of less than 10 is stupid... silently override */
	if(api->esc_delay < 10)
		api->esc_delay=25;

176
177
178
179
180
#ifdef NCURSES_VERSION_MAJOR
	if(cio_api.mode==CIOLIB_MODE_CURSES) {
		ESCDELAY=api->esc_delay;
#endif

181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
    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;
        }
    }

210
#if 0
211
    clrscr();
212
#endif
213
214
215
216

    gettextinfo(&txtinfo);
    /* unsupported mode? */
    if(txtinfo.screenheight<MIN_LINES
deuce's avatar
deuce committed
217
/*        || txtinfo.screenheight>MAX_LINES */
deuce's avatar
deuce committed
218
        || txtinfo.screenwidth<40) {
219
220
221
        textmode(C80);  /* set mode to 80x25*/
        gettextinfo(&txtinfo);
    }
222
	window(1,1,txtinfo.screenwidth,txtinfo.screenheight);
223
224

    api->scrn_len=txtinfo.screenheight;
deuce's avatar
deuce committed
225
226
227
    if(api->scrn_len<MIN_LINES) {
        cprintf("\7UIFC: Screen length (%u) must be %d lines or greater\r\n"
            ,api->scrn_len,MIN_LINES);
228
229
230
231
        return(-2);
    }
    api->scrn_len--; /* account for status line */

232
233
    if(txtinfo.screenwidth<40) {
        cprintf("\7UIFC: Screen width (%u) must be at least 40 characters\r\n"
234
235
236
237
238
239
240
            ,txtinfo.screenwidth);
        return(-3);
    }
	api->scrn_width=txtinfo.screenwidth;

    if(!(api->mode&UIFC_COLOR)
        && (api->mode&UIFC_MONO
241
242
243
244
245
246
247
248
            || 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
            || txtinfo.currmode==MONO60 || txtinfo.currmode==BW40X60 || txtinfo.currmode==BW80X60))
	{
249
250
251
252
253
        api->bclr=BLACK;
        api->hclr=WHITE;
        api->lclr=LIGHTGRAY;
        api->cclr=LIGHTGRAY;
			api->lbclr=BLACK|(LIGHTGRAY<<4);	/* lightbar color */
254
    } else {
255
256
257
258
259
        api->bclr=BLUE;
        api->hclr=YELLOW;
        api->lclr=WHITE;
        api->cclr=CYAN;
		api->lbclr=BLUE|(LIGHTGRAY<<4);	/* lightbar color */
260
    }
261

deuce's avatar
deuce committed
262
	blk_scrn_len=api->scrn_width*api->scrn_len*2;
deuce's avatar
deuce committed
263
	if((blk_scrn=(char *)malloc(blk_scrn_len))==NULL)  {
deuce's avatar
deuce committed
264
265
266
267
				cprintf("UIFC line %d: error allocating %u bytes."
					,__LINE__,blk_scrn_len);
				return(-1);
	}
deuce's avatar
deuce committed
268
	if((tmp_buffer=(uchar *)malloc(blk_scrn_len))==NULL)  {
deuce's avatar
deuce committed
269
270
271
272
				cprintf("UIFC line %d: error allocating %u bytes."
					,__LINE__,blk_scrn_len);
				return(-1);
	}
deuce's avatar
deuce committed
273
	if((tmp_buffer2=(uchar *)malloc(blk_scrn_len))==NULL)  {
274
275
276
277
				cprintf("UIFC line %d: error allocating %u bytes."
					,__LINE__,blk_scrn_len);
				return(-1);
	}
deuce's avatar
deuce committed
278
    for(i=0;i<blk_scrn_len;i+=2) {
279
        blk_scrn[i]='';
280
        blk_scrn[i+1]=api->cclr|(api->bclr<<4);
281
282
283
284
285
    }

    cursor=_NOCURSOR;
    _setcursortype(cursor);

286
	if(cio_api.mouse) {
287
		api->mode|=UIFC_MOUSE;
288
289
		uifc_mouse_enable();
	}
290

291
292
	api->initialized=TRUE;

293
294
295
	for(i=0; i<MAX_BUFS; i++)
		sav[i].buf=NULL;

296
    return(0);
297
298
}

299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
void docopy(void)
{
	int	key;
	struct mouse_event mevent;
	unsigned char *screen;
	unsigned char *sbuffer;
	int sbufsize=0;
	int x,y,startx,starty,endx,endy,lines;
	int outpos;
	char *copybuf;

	sbufsize=api->scrn_width*2*(api->scrn_len+1);
	screen=(unsigned char*)malloc(sbufsize);
	sbuffer=(unsigned char*)malloc(sbufsize);
	gettext(1,1,api->scrn_width,api->scrn_len+1,screen);
	while(1) {
		key=getch();
		if(key==0 || key==0xff)
			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:
						memcpy(sbuffer,screen,sbufsize);
						for(y=starty-1;y<endy;y++) {
							for(x=startx-1;x<endx;x++) {
								int pos=y*api->scrn_width+x;
								if((sbuffer[pos*2+1]&0x70)!=0x10)
									sbuffer[pos*2+1]=sbuffer[pos*2+1]&0x8F|0x10;
								else
									sbuffer[pos*2+1]=sbuffer[pos*2+1]&0x8F|0x60;
								if(((sbuffer[pos*2+1]&0x70)>>4) == (sbuffer[pos*2+1]&0x0F)) {
									sbuffer[pos*2+1]|=0x08;
								}
							}
						}
						puttext(1,1,api->scrn_width,api->scrn_len+1,sbuffer);
						break;
					case CIOLIB_BUTTON_1_DRAG_END:
						lines=abs(mevent.endy-mevent.starty)+1;
						copybuf=malloc((endy-starty+1)*(endx-startx+1)+1+lines*2);
						outpos=0;
						for(y=starty-1;y<endy;y++) {
							for(x=startx-1;x<endx;x++) {
								copybuf[outpos++]=screen[(y*api->scrn_width+x)*2];
							}
							copybuf[outpos++]='\r';
							copybuf[outpos++]='\n';
						}
						copybuf[outpos]=0;
						copytext(copybuf, strlen(copybuf));
						puttext(1,1,api->scrn_width,api->scrn_len+1,screen);
						free(copybuf);
						free(screen);
						free(sbuffer);
						return;
				}
				break;
			default:
				puttext(1,1,api->scrn_width,api->scrn_len+1,screen);
				ungetch(key);
				free(screen);
				free(sbuffer);
				return;
		}
	}
}

384
385
386
387
388
389
390
391
392
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);
393
394
395
396
		if(mevent->event==CIOLIB_BUTTON_1_DRAG_START) {
			docopy();
			return(0);
		}
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
		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));
			}
		}
		return(0);
	}
	return(-1);
}

414
415
416
417
void uifcbail(void)
{
	_setcursortype(_NORMALCURSOR);
	textattr(LIGHTGRAY);
418
	uifc_mouse_disable();
419
	suspendciolib();
deuce's avatar
deuce committed
420
421
422
	FREE_AND_NULL(blk_scrn);
	FREE_AND_NULL(tmp_buffer);
	FREE_AND_NULL(tmp_buffer2);
423
	api->initialized=FALSE;
424
425
426
427
428
429
430
431
}

/****************************************************************************/
/* Clear screen, fill with background attribute, display application title.	*/
/* Returns 0 on success.													*/
/****************************************************************************/
int uscrn(char *str)
{
432
    textattr(api->bclr|(api->cclr<<4));
433
    gotoxy(1,1);
434
    clreol();
435
436
437
438
439
    gotoxy(3,1);
	cputs(str);
    if(!puttext(1,2,api->scrn_width,api->scrn_len,blk_scrn))
        return(-1);
    gotoxy(1,api->scrn_len+1);
440
    clreol();
441
	reset_dynamic();
442
	setname(str);
443
444
445
446
447
448
449
    return(0);
}

/****************************************************************************/
/****************************************************************************/
static void scroll_text(int x1, int y1, int x2, int y2, int down)
{
450
	gettext(x1,y1,x2,y2,tmp_buffer2);
451
	if(down)
452
		puttext(x1,y1+1,x2,y2,tmp_buffer2);
453
	else
454
		puttext(x1,y1,x2,y2-1,tmp_buffer2+(((x2-x1)+1)*2));
455
456
457
458
459
460
}

/****************************************************************************/
/* Updates time in upper left corner of screen with current time in ASCII/  */
/* Unix format																*/
/****************************************************************************/
461
static void timedisplay(BOOL force)
462
463
464
465
466
{
	static time_t savetime;
	time_t now;

	now=time(NULL);
467
	if(force || difftime(now,savetime)>=60) {
468
		uprintf(api->scrn_width-25,1,api->bclr|(api->cclr<<4),utimestr(&now));
469
470
471
472
473
474
475
476
477
478
479
480
		savetime=now; 
	}
}

/****************************************************************************/
/* Truncates white-space chars off end of 'str'								*/
/****************************************************************************/
static void truncsp(char *str)
{
	uint c;

	c=strlen(str);
deuce's avatar
deuce committed
481
	while(c && (uchar)str[c-1]<=' ') c--;
482
483
484
485
486
487
488
489
	if(str[c]!=0)	/* don't write to string constants */
		str[c]=0;
}

/****************************************************************************/
/* 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
490
	, char *initial_title, char **option)
491
{
492
	uchar line[256],shade[256],*ptr
493
		,search[MAX_OPLN],bline=0,*win;
494
495
496
	int height,y;
	int i,j,opts=0,s=0; /* s=search index into options */
	int	is_redraw=0;
deuce's avatar
deuce committed
497
	int	is_lastwin=0;
498
499
500
501
502
503
504
505
506
507
	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;
508
	int title_len;
509
	struct mouse_event mevnt;
510
	char	*title=NULL;
511
	int	a,b,c,longopt;
512
	int	optheight=0;
513
514
515
516
517
518
519
520
521
522
523
524
525
526
	uchar	hclr,lclr,bclr,cclr,lbclr;

	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;
	}
527
528
	title=strdup(initial_title==NULL?"":initial_title);

529
	uifc_mouse_disable();
530
531

	title_len=strlen(title);
532
533
534

	if(mode&WIN_FAT) {
		s_top=1;
535
		s_left=2;
536
537
		s_right=api->scrn_width-3;  /* Leave space for the shadow */
		s_bottom=api->scrn_len-1;   /* Leave one for the shadow */
538
	}
539
540
541
542
543
544
545
546
547
	if(mode&WIN_NOBRDR) {
		hbrdrsize=0;
		vbrdrsize=0;
		lbrdrwidth=0;
		rbrdrwidth=0;
		tbrdrwidth=0;
		bbrdrwidth=0;
	}

548
549
	if(mode&WIN_SAV && api->savnum>=MAX_BUFS-1)
		putch(7);
550
	if(api->helpbuf!=NULL || api->helpixbfile[0]!=0) bline|=BL_HELP;
551
552
553
554
	if(mode&WIN_INS) bline|=BL_INS;
	if(mode&WIN_DEL) bline|=BL_DEL;
	if(mode&WIN_GET) bline|=BL_GET;
	if(mode&WIN_PUT) bline|=BL_PUT;
555
	if(mode&WIN_EDIT) bline|=BL_EDIT;
556
557
	if(api->bottomline != NULL)
		api->bottomline(bline);
558
	while(option!=NULL && opts<MAX_OPTS)
559
		if(option[opts]==NULL || option[opts][0]==0)
560
561
			break;
		else opts++;
deuce's avatar
deuce committed
562
	if(mode&WIN_XTR && opts<MAX_OPTS)
563
		opts++;
564
	optheight=opts+vbrdrsize;
565
	height=optheight;
566
567
568
	if(mode&WIN_FIXEDHEIGHT) {
		height=api->list_height;
	}
569
570
	if(top+height>s_bottom)
		height=(s_bottom)-top;
571
572
	if(optheight>height)
		optheight=height;
573
574
	if(!width || width<title_len+hbrdrsize+2) {
		width=title_len+hbrdrsize+2;
575
		for(i=0;i<opts;i++) {
576
577
578
579
580
			if(option[i]!=NULL) {
				truncsp(option[i]);
				if((j=strlen(option[i])+hbrdrsize+2+1)>width)
					width=j;
			}
581
582
		}
	}
583
584
585
586
587
588
589
	/* Determine minimum widths here to accomodate mouse "icons" in border */
	if(!(mode&WIN_NOBRDR) && api->mode&UIFC_MOUSE) {
		if(bline&BL_HELP && width<8)
			width=8;
		else if(width<5)
			width=5;
	}
590
591
	if(width>(s_right+1)-s_left) {
		width=(s_right+1)-s_left;
592
593
594
595
596
		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;
597
			title_len=strlen(title);
598
		}
599
	}
600
	if(mode&WIN_L2R)
deuce's avatar
deuce committed
601
		left=(s_right-s_left-width+1)/2;
602
	else if(mode&WIN_RHT)
603
		left=s_right-(width+hbrdrsize+2+left);
604
	if(mode&WIN_T2B)
deuce's avatar
deuce committed
605
		top=(api->scrn_len-height+1)/2-2;
606
	else if(mode&WIN_BOT)
607
		top=s_bottom-height-top;
608
609
	if(left<0)
		left=0;
610
611
	if(top<0)
		top=0;
612
613

	/* Dynamic Menus */
deuce's avatar
deuce committed
614
	if((mode&WIN_DYN || mode&WIN_SAV)
615
616
617
			&& cur != NULL
			&& bar != NULL
			&& last_menu_cur==cur
618
619
			&& last_menu_bar==bar
			&& save_menu_cur==*cur
620
			&& save_menu_bar==*bar
deuce's avatar
deuce committed
621
622
623
624
625
626
			&& save_menu_opts==opts) {
		if(mode&WIN_DYN)
			is_redraw=1;
		if(mode&WIN_SAV)
			is_lastwin=1;
	}
627
628
629
630
	if(mode&WIN_DYN && mode&WIN_REDRAW)
		is_redraw=1;
	if(mode&WIN_DYN && mode&WIN_NODRAW)
		is_redraw=0;
631

deuce's avatar
deuce committed
632
633
634
635
636
	if(mode&WIN_ORG) {		/* Clear all save buffers on WIN_ORG */
		for(i=0; i< MAX_BUFS; i++)
			FREE_AND_NULL(sav[i].buf);
	}

637
	if(mode&WIN_SAV) {
deuce's avatar
deuce committed
638
639
		if(is_lastwin && sav[api->savnum].buf==NULL)
			api->savnum--;
640
		if(sav[api->savnum].buf==NULL) {
deuce's avatar
deuce committed
641
			if((sav[api->savnum].buf=(char *)malloc((width+3)*(height+2)*2))==NULL) {
642
643
				cprintf("UIFC line %d: error allocating %u bytes."
					,__LINE__,(width+3)*(height+2)*2);
644
				free(title);
645
				uifc_mouse_enable();
646
				return(-1);
647
			}
648
649
650
651
652
653
			gettext(s_left+left,s_top+top,s_left+left+width+1
				,s_top+top+height,sav[api->savnum].buf);
			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;
654
		}
655
		else if(sav[api->savnum].buf != NULL
656
657
658
659
			&& (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 */
660
661
			puttext(sav[api->savnum].left,sav[api->savnum].top,sav[api->savnum].right,sav[api->savnum].bot
				,sav[api->savnum].buf);	/* put original window back */
662
			FREE_AND_NULL(sav[api->savnum].buf);
deuce's avatar
deuce committed
663
			if((sav[api->savnum].buf=(char *)malloc((width+3)*(height+2)*2))==NULL) {
664
665
				cprintf("UIFC line %d: error allocating %u bytes."
					,__LINE__,(width+3)*(height+2)*2);
666
				free(title);
667
				uifc_mouse_enable();
668
				return(-1);
669
			}
670
671
672
673
674
675
			gettext(s_left+left,s_top+top,s_left+left+width+1
				,s_top+top+height,sav[api->savnum].buf);	  /* save again */
			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;
676
		}
677
678
679
680
681
	}

	if(!is_redraw) {
		if(mode&WIN_ORG) { /* Clear around menu */
			if(top)
682
				puttext(1,2,api->scrn_width,s_top+top-1,blk_scrn);
683
			if((unsigned)(s_top+height+top)<=api->scrn_len)
deuce's avatar
deuce committed
684
				puttext(1,s_top+height+top,api->scrn_width,api->scrn_len,blk_scrn);
685
			if(left)
deuce's avatar
deuce committed
686
				puttext(1,s_top+top,s_left+left-1,s_top+height+top
687
					,blk_scrn);
688
			if(s_left+left+width<=s_right)
deuce's avatar
deuce committed
689
				puttext(s_left+left+width,s_top+top,/* s_right+2 */api->scrn_width
690
					,s_top+height+top,blk_scrn);
691
		}
deuce's avatar
deuce committed
692
		ptr=tmp_buffer;
693
694
		if(!(mode&WIN_NOBRDR)) {
			*(ptr++)='';
695
			*(ptr++)=hclr|(bclr<<4);
696

697
698
			if(api->mode&UIFC_MOUSE) {
				*(ptr++)='[';
699
				*(ptr++)=hclr|(bclr<<4);
700
701
				/* *(ptr++)=''; */
				*(ptr++)=0xfe;
702
				*(ptr++)=lclr|(bclr<<4);
703
				*(ptr++)=']';
704
				*(ptr++)=hclr|(bclr<<4);
705
706
707
				i=3;
				if(bline&BL_HELP) {
					*(ptr++)='[';
708
					*(ptr++)=hclr|(bclr<<4);
709
					*(ptr++)='?';
710
					*(ptr++)=lclr|(bclr<<4);
711
					*(ptr++)=']';
712
					*(ptr++)=hclr|(bclr<<4);
713
714
					i+=3;
				}
715
716
717
718
719
720
721
722
723
724
725
				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;

			for(;i<width-2;i++) {
				*(ptr++)='';
726
				*(ptr++)=hclr|(bclr<<4);
727
728
			}
			*(ptr++)='';
729
			*(ptr++)=hclr|(bclr<<4);
730
			*(ptr++)='';
731
			*(ptr++)=hclr|(bclr<<4);
732
733
734
735
			a=title_len;
			b=(width-a-1)/2;
			for(i=0;i<b;i++) {
				*(ptr++)=' ';
736
				*(ptr++)=hclr|(bclr<<4);
737
738
739
			}
			for(i=0;i<a;i++) {
				*(ptr++)=title[i];
740
				*(ptr++)=hclr|(bclr<<4);
741
742
743
			}
			for(i=0;i<width-(a+b)-2;i++) {
				*(ptr++)=' ';
744
				*(ptr++)=hclr|(bclr<<4);
745
746
			}
			*(ptr++)='';
747
			*(ptr++)=hclr|(bclr<<4);
748
			*(ptr++)='';
749
			*(ptr++)=hclr|(bclr<<4);
750
751
			for(i=0;i<width-2;i++) {
				*(ptr++)='';
752
				*(ptr++)=hclr|(bclr<<4);
753
754
			}
			*(ptr++)='';
755
			*(ptr++)=hclr|(bclr<<4);
756
757
758
759
760
761
		}

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

		if(!bar) {
762
763
764
765
			if((*cur)>height-vbrdrsize-1)
				(*cur)=height-vbrdrsize-1;
			if((*cur)>opts-1)
				(*cur)=opts-1;
766
			i=0;
767
768
769
770
		}
		else {
			if((*bar)>=opts)
				(*bar)=opts-1;
771
772
			if((*bar)>height-vbrdrsize-1)
				(*bar)=height-vbrdrsize-1;
773
			if((*cur)==opts-1)
774
775
776
				(*bar)=height-vbrdrsize-1;
			if((*bar)>opts-1)
				(*bar)=opts-1;
777
778
779
780
781
			if((*bar)<0)
				(*bar)=0;
			if((*cur)<(*bar))
				(*cur)=(*bar);
			i=(*cur)-(*bar);
782
783
784
785
			if(i+(height-vbrdrsize-1)>=opts) {
				i=opts-(height-vbrdrsize);
				if(i<0)
					i=0;
786
787
				(*cur)=i+(*bar);
			}
788
789
790
		}
		if((*cur)<0)
			(*cur)=0;
791

792
793
794
		j=0;
		if(i<0) i=0;
		longopt=0;
795
		while(j<height-vbrdrsize) {
796
			if(!(mode&WIN_NOBRDR)) {
797
				*(ptr++)='';
798
				*(ptr++)=hclr|(bclr<<4);
799
800
			}
			*(ptr++)=' ';
801
			*(ptr++)=hclr|(bclr<<4);
802
			*(ptr++)='';
803
			*(ptr++)=lclr|(bclr<<4);
804
			if(i==(*cur))
805
				a=lbclr;
806
			else
807
				a=lclr|(bclr<<4);
808
			if(i<opts && option[i]!=NULL) {
809
810
811
812
813
814
815
816
817
				b=strlen(option[i]);
				if(b>longopt)
					longopt=b;
				if(b+hbrdrsize+2>width)
					b=width-hbrdrsize-2;
				for(c=0;c<b;c++) {
					*(ptr++)=option[i][c];
					*(ptr++)=a; 
				}
818
			}
819
820
			else
				c=0;
821
			while(c<width-hbrdrsize-2) {
822
				*(ptr++)=' ';
823
824
825
826
				*(ptr++)=a;
				c++;
			}
			if(!(mode&WIN_NOBRDR)) {
827
				*(ptr++)='';
828
				*(ptr++)=hclr|(bclr<<4);
829
			}
830
831
832
833
			i++;
			j++; 
		}
		if(!(mode&WIN_NOBRDR)) {
834
			*(ptr++)='';
835
			*(ptr++)=hclr|(bclr<<4);
836
837
			for(i=0;i<width-2;i++) {
				*(ptr++)='';
838
				*(ptr++)=hclr|(bclr<<4); 
839
840
			}
			*(ptr++)='';
841
			*(ptr)=hclr|(bclr<<4);	/* Not incremented to shut ot BCC */
842
843
844
845
846
847
848
849
850
851
		}
		puttext(s_left+left,s_top+top,s_left+left+width-1
			,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);
852
			textattr(lclr|(bclr<<4));
853
			putch(31);	   /* put down arrow */
854
			textattr(hclr|(bclr<<4)); 
855
		}
856

857
858
		if(bar && (*bar)!=(*cur)) {
			gotoxy(s_left+left+lbrdrwidth,s_top+top+tbrdrwidth);
859
			textattr(lclr|(bclr<<4));
860
			putch(30);	   /* put the up arrow */
861
			textattr(hclr|(bclr<<4)); 
862
		}
863

864
865
		if(!(mode&WIN_NOBRDR)) {
			/* Shadow */
866
			if(bclr==BLUE) {
867
868
				gettext(s_left+left+width,s_top+top+1,s_left+left+width+1
					,s_top+top+height-1,shade);
869
870
				for(i=1;i<height*4;i+=2)
					shade[i]=DARKGRAY;
871
872
873
874
				puttext(s_left+left+width,s_top+top+1,s_left+left+width+1
					,s_top+top+height-1,shade);
				gettext(s_left+left+2,s_top+top+height,s_left+left+width+1
					,s_top+top+height,shade);
875
876
				for(i=1;i<width*2;i+=2)
					shade[i]=DARKGRAY;
877
878
				puttext(s_left+left+2,s_top+top+height,s_left+left+width+1
					,s_top+top+height,shade);
879
			}
880
		}
881
882
883
884
885
886
	}
	else {	/* Is a redraw */
		i=(*cur)-(*bar);
		j=2;

		longopt=0;
887
		while(j<height-bbrdrwidth-1) {
deuce's avatar
deuce committed
888
			ptr=tmp_buffer;
889
			if(i==(*cur))
890
				a=lbclr;
891
			else
892
				a=lclr|(bclr<<4);
893
894
895
896
897
898
899
900
901
902
			if(i<opts) {
				b=strlen(option[i]);
				if(b>longopt)
					longopt=b;
				if(b+hbrdrsize+2>width)
					b=width-hbrdrsize-2;
				for(c=0;c<b;c++) {
					*(ptr++)=option[i][c];
					*(ptr++)=a; 
				}
903
			}
904
905
			else
				c=0;
906
			while(c<width-hbrdrsize-2) {
907
908
909
910
911
912
				*(ptr++)=' ';
				*(ptr++)=a;
				c++; 
			}
			i++;
			j++; 
913
914
			puttext(s_left+left+lbrdrwidth+2,s_top+top+j,s_left+left+width-rbrdrwidth-1
				,s_top+top+j,tmp_buffer);
915
916
		}
		if(bar)
917
			y=top+tbrdrwidth+(*bar);
918
		else
919
			y=top+tbrdrwidth+(*cur);
920
	}
921
	free(title);
922
923
924

	last_menu_cur=cur;
	last_menu_bar=bar;
925
926
	uifc_mouse_enable();

927
	if(mode&WIN_IMM) {
928
		return(-2);
929
	}
930

931
932
933
934
	if(mode&WIN_ORG) {
		if(api->timedisplay != NULL)
			api->timedisplay(/* force? */TRUE);
	}
935

936
937
938
939
	while(1) {
	#if 0					/* debug */
		gotoxy(30,1);
		cprintf("y=%2d h=%2d c=%2d b=%2d s=%2d o=%2d"
940
			,y,height,*cur,bar ? *bar :0xff,api->savnum,opts);
941
	#endif
942
		if(api->timedisplay != NULL)
943
			api->timedisplay(/* force? */FALSE);
944
		i=0;
945
946
		if(kbwait()) {
			i=inkey();
947
			if(i==CIO_KEY_MOUSE) {
948
				if((i=uifc_getmouse(&mevnt))==0) {
949
					/* Clicked in menu */
950
951
952
					if(mevnt.startx>=s_left+left+lbrdrwidth+2
							&& mevnt.startx<=s_left+left+width-rbrdrwidth-1
							&& mevnt.starty>=s_top+top+tbrdrwidth
953
							&& mevnt.starty<=(s_top+top+optheight)-bbrdrwidth-1
954
							&& mevnt.event==CIOLIB_BUTTON_1_CLICK) {
955

956
						(*cur)=(mevnt.starty)-(s_top+top+tbrdrwidth);
957
958
						if(bar)
							(*bar)=(*cur);
959
						y=top+tbrdrwidth+((mevnt.starty)-(s_top+top+tbrdrwidth));
960

961
						if(!opts)
962
963
							continue;

964
965
						if(mode&WIN_SAV)
							api->savnum++;
966
						if(mode&WIN_ACT) {
967
							uifc_mouse_disable();
deuce's avatar
deuce committed
968
							if((win=(char *)malloc((width+3)*(height+2)*2))==NULL) {
969
970
971
972
973
974
975
								cprintf("UIFC line %d: error allocating %u bytes."
									,__LINE__,(width+3)*(height+2)*2);
								return(-1);
							}
							gettext(s_left+left,s_top+top,s_left
								+left+width-1,s_top+top+height-1,win);
							for(i=1;i<(width*height*2);i+=2)
976
								win[i]=lclr|(cclr<<4);
977
							j=(((y-top)*width)*2)+7+((width-hbrdrsize-2)*2);
978
							for(i=(((y-top)*width)*2)+7;i<j;i+=2)
979
								win[i]=hclr|(cclr<<4);
980
981
982
983

							puttext(s_left+left,s_top+top,s_left
								+left+width-1,s_top+top+height-1,win);
							free(win);
984
							uifc_mouse_enable();
985
986
						}
						else if(mode&WIN_SAV) {
987
							api->savnum--;
988
							uifc_mouse_disable();
989
990
991
							puttext(sav[api->savnum].left,sav[api->savnum].top
								,sav[api->savnum].right,sav[api->savnum].bot
								,sav[api->savnum].buf);
992
							uifc_mouse_enable();
993
994
995
							FREE_AND_NULL(sav[api->savnum].buf);
							if(api->savnum)
								api->savnum--;
996
						}
997
998
						if(mode&WIN_XTR && (*cur)==opts-1)
							return(MSK_INS|*cur);
999
1000
1001
						return(*cur);
					}
					/* Clicked Scroll Up */
1002
1003
					else if(mevnt.startx==s_left+left+lbrdrwidth
							&& mevnt.starty==s_top+top+tbrdrwidth
1004
							&& mevnt.event==CIOLIB_BUTTON_1_CLICK) {
1005
						i=CIO_KEY_PPAGE;
1006
1007
					}
					/* Clicked Scroll Down */
1008
1009
					else if(mevnt.startx==s_left+left+lbrdrwidth
							&& mevnt.starty==(s_top+top+height)-bbrdrwidth-1
1010
							&& mevnt.event==CIOLIB_BUTTON_1_CLICK) {
1011
						i=CIO_KEY_NPAGE;
1012
					}
deuce's avatar
deuce committed
1013
					/* Clicked Outside of Window */
1014
					else if((mevnt.startx<s_left+left
deuce's avatar
deuce committed
1015
1016
1017
							|| mevnt.startx>s_left+left+width-1
							|| mevnt.starty<s_top+top
							|| mevnt.starty>s_top+top+height-1)
1018
							&& (mevnt.event==CIOLIB_BUTTON_1_CLICK
1019
1020
							|| mevnt.event==CIOLIB_BUTTON_3_CLICK)) {
						if(mode&WIN_UNGETMOUSE) {
deuce's avatar
deuce committed
1021
							ungetmouse(&mevnt);
1022
							i=CIO_KEY_MOUSE;
1023
1024
1025
1026
1027
						}
						else {
							i=ESC;
						}
					}
deuce's avatar