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
    return(0);
294
295
}

296
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
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;
		}
	}
}

381
382
383
384
385
386
387
388
389
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);
390
391
392
393
		if(mevent->event==CIOLIB_BUTTON_1_DRAG_START) {
			docopy();
			return(0);
		}
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
		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);
}

411
412
413
414
void uifcbail(void)
{
	_setcursortype(_NORMALCURSOR);
	textattr(LIGHTGRAY);
415
	uifc_mouse_disable();
416
	suspendciolib();
deuce's avatar
deuce committed
417
418
419
	FREE_AND_NULL(blk_scrn);
	FREE_AND_NULL(tmp_buffer);
	FREE_AND_NULL(tmp_buffer2);
420
	api->initialized=FALSE;
421
422
423
424
425
426
427
428
}

/****************************************************************************/
/* Clear screen, fill with background attribute, display application title.	*/
/* Returns 0 on success.													*/
/****************************************************************************/
int uscrn(char *str)
{
429
    textattr(api->bclr|(api->cclr<<4));
430
    gotoxy(1,1);
431
    clreol();
432
433
434
435
436
    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);
437
    clreol();
438
	reset_dynamic();
439
	setname(str);
440
441
442
443
444
445
446
    return(0);
}

/****************************************************************************/
/****************************************************************************/
static void scroll_text(int x1, int y1, int x2, int y2, int down)
{
447
	gettext(x1,y1,x2,y2,tmp_buffer2);
448
	if(down)
449
		puttext(x1,y1+1,x2,y2,tmp_buffer2);
450
	else
451
		puttext(x1,y1,x2,y2-1,tmp_buffer2+(((x2-x1)+1)*2));
452
453
454
455
456
457
}

/****************************************************************************/
/* Updates time in upper left corner of screen with current time in ASCII/  */
/* Unix format																*/
/****************************************************************************/
458
static void timedisplay(BOOL force)
459
460
461
462
463
{
	static time_t savetime;
	time_t now;

	now=time(NULL);
464
	if(force || difftime(now,savetime)>=60) {
465
		uprintf(api->scrn_width-25,1,api->bclr|(api->cclr<<4),utimestr(&now));
466
467
468
469
470
471
472
473
474
475
476
477
		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
478
	while(c && (uchar)str[c-1]<=' ') c--;
479
480
481
482
483
484
485
486
	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
487
	, char *initial_title, char **option)
488
{
489
	uchar line[256],shade[256],*ptr
490
		,search[MAX_OPLN],bline=0,*win;
491
492
493
	int height,y;
	int i,j,opts=0,s=0; /* s=search index into options */
	int	is_redraw=0;
494
495
496
497
498
499
500
501
502
503
	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;
504
	int title_len;
505
	struct mouse_event mevnt;
506
	char	*title=NULL;
507
	int	a,b,c,longopt;
508
	int	optheight=0;
509

510
511
	title=strdup(initial_title==NULL?"":initial_title);

512
	uifc_mouse_disable();
513
514

	title_len=strlen(title);
515
516
517

	if(mode&WIN_FAT) {
		s_top=1;
518
		s_left=2;
519
520
		s_right=api->scrn_width-3;  /* Leave space for the shadow */
		s_bottom=api->scrn_len-1;   /* Leave one for the shadow */
521
	}
522
523
524
525
526
527
528
529
530
	if(mode&WIN_NOBRDR) {
		hbrdrsize=0;
		vbrdrsize=0;
		lbrdrwidth=0;
		rbrdrwidth=0;
		tbrdrwidth=0;
		bbrdrwidth=0;
	}

531
532
	if(mode&WIN_SAV && api->savnum>=MAX_BUFS-1)
		putch(7);
533
	if(api->helpbuf!=NULL || api->helpixbfile[0]!=0) bline|=BL_HELP;
534
535
536
537
	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;
538
	if(mode&WIN_EDIT) bline|=BL_EDIT;
539
540
	if(api->bottomline != NULL)
		api->bottomline(bline);
541
	while(option!=NULL && opts<MAX_OPTS)
542
		if(option[opts]==NULL || option[opts][0]==0)
543
544
			break;
		else opts++;
deuce's avatar
deuce committed
545
	if(mode&WIN_XTR && opts<MAX_OPTS)
546
		opts++;
547
	optheight=opts+vbrdrsize;
548
	height=optheight;
549
550
551
	if(mode&WIN_FIXEDHEIGHT) {
		height=api->list_height;
	}
552
553
	if(top+height>s_bottom)
		height=(s_bottom)-top;
554
555
	if(optheight>height)
		optheight=height;
556
557
	if(!width || width<title_len+hbrdrsize+2) {
		width=title_len+hbrdrsize+2;
558
		for(i=0;i<opts;i++) {
559
560
561
562
563
			if(option[i]!=NULL) {
				truncsp(option[i]);
				if((j=strlen(option[i])+hbrdrsize+2+1)>width)
					width=j;
			}
564
565
		}
	}
566
567
568
569
570
571
572
	/* 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;
	}
573
574
	if(width>(s_right+1)-s_left) {
		width=(s_right+1)-s_left;
575
576
577
578
579
		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;
580
			title_len=strlen(title);
581
		}
582
	}
583
	if(mode&WIN_L2R)
deuce's avatar
deuce committed
584
		left=(s_right-s_left-width+1)/2;
585
	else if(mode&WIN_RHT)
586
		left=s_right-(width+hbrdrsize+2+left);
587
	if(mode&WIN_T2B)
deuce's avatar
deuce committed
588
		top=(api->scrn_len-height+1)/2-2;
589
	else if(mode&WIN_BOT)
590
		top=s_bottom-height-top;
591
592
	if(left<0)
		left=0;
593
594
	if(top<0)
		top=0;
595
596
597

	/* Dynamic Menus */
	if(mode&WIN_DYN
598
599
600
			&& cur != NULL
			&& bar != NULL
			&& last_menu_cur==cur
601
602
			&& last_menu_bar==bar
			&& save_menu_cur==*cur
603
604
			&& save_menu_bar==*bar
			&& save_menu_opts==opts)
605
		is_redraw=1;
606
607
608
609
	if(mode&WIN_DYN && mode&WIN_REDRAW)
		is_redraw=1;
	if(mode&WIN_DYN && mode&WIN_NODRAW)
		is_redraw=0;
610
611
612

	if(!is_redraw) {
		if(mode&WIN_SAV && api->savdepth==api->savnum) {
deuce's avatar
deuce committed
613
			if((sav[api->savnum].buf=(char *)malloc((width+3)*(height+2)*2))==NULL) {
614
615
				cprintf("UIFC line %d: error allocating %u bytes."
					,__LINE__,(width+3)*(height+2)*2);
616
				free(title);
617
				uifc_mouse_enable();
618
				return(-1);
619
			}
620
621
622
623
624
625
			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;
626
			api->savdepth++;
627
628
		}
		else if(mode&WIN_SAV
629
630
631
632
			&& (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 */
633
634
			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 */
deuce's avatar
deuce committed
635
636
			free(sav[api->savnum].buf);
			if((sav[api->savnum].buf=(char *)malloc((width+3)*(height+2)*2))==NULL) {
637
638
				cprintf("UIFC line %d: error allocating %u bytes."
					,__LINE__,(width+3)*(height+2)*2);
639
				free(title);
640
				uifc_mouse_enable();
641
				return(-1);
642
			}
643
644
645
646
647
648
			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;
649
		}
650
651
652
653
654
	}

	if(!is_redraw) {
		if(mode&WIN_ORG) { /* Clear around menu */
			if(top)
655
				puttext(1,2,api->scrn_width,s_top+top-1,blk_scrn);
656
			if((unsigned)(s_top+height+top)<=api->scrn_len)
deuce's avatar
deuce committed
657
				puttext(1,s_top+height+top,api->scrn_width,api->scrn_len,blk_scrn);
658
			if(left)
deuce's avatar
deuce committed
659
				puttext(1,s_top+top,s_left+left-1,s_top+height+top
660
					,blk_scrn);
661
			if(s_left+left+width<=s_right)
deuce's avatar
deuce committed
662
				puttext(s_left+left+width,s_top+top,/* s_right+2 */api->scrn_width
663
					,s_top+height+top,blk_scrn);
664
		}
deuce's avatar
deuce committed
665
		ptr=tmp_buffer;
666
667
		if(!(mode&WIN_NOBRDR)) {
			*(ptr++)='';
668
			*(ptr++)=api->hclr|(api->bclr<<4);
669

670
671
			if(api->mode&UIFC_MOUSE) {
				*(ptr++)='[';
672
				*(ptr++)=api->hclr|(api->bclr<<4);
673
674
				/* *(ptr++)=''; */
				*(ptr++)=0xfe;
675
				*(ptr++)=api->lclr|(api->bclr<<4);
676
				*(ptr++)=']';
677
				*(ptr++)=api->hclr|(api->bclr<<4);
678
679
680
681
682
683
684
685
686
687
				i=3;
				if(bline&BL_HELP) {
					*(ptr++)='[';
					*(ptr++)=api->hclr|(api->bclr<<4);
					*(ptr++)='?';
					*(ptr++)=api->lclr|(api->bclr<<4);
					*(ptr++)=']';
					*(ptr++)=api->hclr|(api->bclr<<4);
					i+=3;
				}
688
689
690
691
692
693
694
695
696
697
698
				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++)='';
699
				*(ptr++)=api->hclr|(api->bclr<<4);
700
701
			}
			*(ptr++)='';
702
			*(ptr++)=api->hclr|(api->bclr<<4);
703
			*(ptr++)='';
704
			*(ptr++)=api->hclr|(api->bclr<<4);
705
706
707
708
			a=title_len;
			b=(width-a-1)/2;
			for(i=0;i<b;i++) {
				*(ptr++)=' ';
709
				*(ptr++)=api->hclr|(api->bclr<<4);
710
711
712
			}
			for(i=0;i<a;i++) {
				*(ptr++)=title[i];
713
				*(ptr++)=api->hclr|(api->bclr<<4);
714
715
716
			}
			for(i=0;i<width-(a+b)-2;i++) {
				*(ptr++)=' ';
717
				*(ptr++)=api->hclr|(api->bclr<<4);
718
719
			}
			*(ptr++)='';
720
			*(ptr++)=api->hclr|(api->bclr<<4);
721
			*(ptr++)='';
722
			*(ptr++)=api->hclr|(api->bclr<<4);
723
724
			for(i=0;i<width-2;i++) {
				*(ptr++)='';
725
				*(ptr++)=api->hclr|(api->bclr<<4);
726
727
			}
			*(ptr++)='';
728
			*(ptr++)=api->hclr|(api->bclr<<4);
729
730
731
732
733
734
		}

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

		if(!bar) {
735
736
737
738
			if((*cur)>height-vbrdrsize-1)
				(*cur)=height-vbrdrsize-1;
			if((*cur)>opts-1)
				(*cur)=opts-1;
739
			i=0;
740
741
742
743
		}
		else {
			if((*bar)>=opts)
				(*bar)=opts-1;
744
745
			if((*bar)>height-vbrdrsize-1)
				(*bar)=height-vbrdrsize-1;
746
			if((*cur)==opts-1)
747
748
749
				(*bar)=height-vbrdrsize-1;
			if((*bar)>opts-1)
				(*bar)=opts-1;
750
751
752
753
754
			if((*bar)<0)
				(*bar)=0;
			if((*cur)<(*bar))
				(*cur)=(*bar);
			i=(*cur)-(*bar);
755
756
757
758
			if(i+(height-vbrdrsize-1)>=opts) {
				i=opts-(height-vbrdrsize);
				if(i<0)
					i=0;
759
760
				(*cur)=i+(*bar);
			}
761
762
763
		}
		if((*cur)<0)
			(*cur)=0;
764

765
766
767
		j=0;
		if(i<0) i=0;
		longopt=0;
768
		while(j<height-vbrdrsize) {
769
			if(!(mode&WIN_NOBRDR)) {
770
				*(ptr++)='';
771
				*(ptr++)=api->hclr|(api->bclr<<4);
772
773
			}
			*(ptr++)=' ';
774
			*(ptr++)=api->hclr|(api->bclr<<4);
775
			*(ptr++)='';
776
			*(ptr++)=api->lclr|(api->bclr<<4);
777
			if(i==(*cur))
778
				a=api->lbclr;
779
			else
780
				a=api->lclr|(api->bclr<<4);
781
			if(i<opts && option[i]!=NULL) {
782
783
784
785
786
787
788
789
790
				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; 
				}
791
			}
792
793
			else
				c=0;
794
			while(c<width-hbrdrsize-2) {
795
				*(ptr++)=' ';
796
797
798
799
				*(ptr++)=a;
				c++;
			}
			if(!(mode&WIN_NOBRDR)) {
800
				*(ptr++)='';
801
				*(ptr++)=api->hclr|(api->bclr<<4);
802
			}
803
804
805
806
			i++;
			j++; 
		}
		if(!(mode&WIN_NOBRDR)) {
807
			*(ptr++)='';
808
			*(ptr++)=api->hclr|(api->bclr<<4);
809
810
			for(i=0;i<width-2;i++) {
				*(ptr++)='';
811
				*(ptr++)=api->hclr|(api->bclr<<4); 
812
813
			}
			*(ptr++)='';
814
			*(ptr)=api->hclr|(api->bclr<<4);	/* Not incremented to shut ot BCC */
815
816
817
818
819
820
821
822
823
824
		}
		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);
825
			textattr(api->lclr|(api->bclr<<4));
826
			putch(31);	   /* put down arrow */
827
			textattr(api->hclr|(api->bclr<<4)); 
828
		}
829

830
831
		if(bar && (*bar)!=(*cur)) {
			gotoxy(s_left+left+lbrdrwidth,s_top+top+tbrdrwidth);
832
			textattr(api->lclr|(api->bclr<<4));
833
			putch(30);	   /* put the up arrow */
834
			textattr(api->hclr|(api->bclr<<4)); 
835
		}
836

837
838
		if(!(mode&WIN_NOBRDR)) {
			/* Shadow */
839
			if(api->bclr==BLUE) {
840
841
				gettext(s_left+left+width,s_top+top+1,s_left+left+width+1
					,s_top+top+height-1,shade);
842
843
				for(i=1;i<height*4;i+=2)
					shade[i]=DARKGRAY;
844
845
846
847
				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);
848
849
				for(i=1;i<width*2;i+=2)
					shade[i]=DARKGRAY;
850
851
				puttext(s_left+left+2,s_top+top+height,s_left+left+width+1
					,s_top+top+height,shade);
852
			}
853
		}
854
855
856
857
858
859
	}
	else {	/* Is a redraw */
		i=(*cur)-(*bar);
		j=2;

		longopt=0;
860
		while(j<height-bbrdrwidth-1) {
deuce's avatar
deuce committed
861
			ptr=tmp_buffer;
862
			if(i==(*cur))
863
				a=api->lbclr;
864
			else
865
866
867
868
869
870
871
872
873
874
875
				a=api->lclr|(api->bclr<<4);
			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; 
				}
876
			}
877
878
			else
				c=0;
879
			while(c<width-hbrdrsize-2) {
880
881
882
883
884
885
				*(ptr++)=' ';
				*(ptr++)=a;
				c++; 
			}
			i++;
			j++; 
886
887
			puttext(s_left+left+lbrdrwidth+2,s_top+top+j,s_left+left+width-rbrdrwidth-1
				,s_top+top+j,tmp_buffer);
888
889
		}
		if(bar)
890
			y=top+tbrdrwidth+(*bar);
891
		else
892
			y=top+tbrdrwidth+(*cur);
893
	}
894
	free(title);
895
896
897

	last_menu_cur=cur;
	last_menu_bar=bar;
898
899
	uifc_mouse_enable();

900
901
	if(mode&WIN_IMM)
		return(-2);
902

903
904
905
906
	if(mode&WIN_ORG) {
		if(api->timedisplay != NULL)
			api->timedisplay(/* force? */TRUE);
	}
907

908
909
910
911
912
913
	while(1) {
	#if 0					/* debug */
		gotoxy(30,1);
		cprintf("y=%2d h=%2d c=%2d b=%2d s=%2d o=%2d"
			,y,height,*cur,bar ? *bar :0xff,api->savdepth,opts);
	#endif
914
		if(api->timedisplay != NULL)
915
			api->timedisplay(/* force? */FALSE);
916
		i=0;
917
918
		if(kbwait()) {
			i=inkey();
919
			if(i==CIO_KEY_MOUSE) {
920
				if((i=uifc_getmouse(&mevnt))==0) {
921
					/* Clicked in menu */
922
923
924
					if(mevnt.startx>=s_left+left+lbrdrwidth+2
							&& mevnt.startx<=s_left+left+width-rbrdrwidth-1
							&& mevnt.starty>=s_top+top+tbrdrwidth
925
							&& mevnt.starty<=(s_top+top+optheight)-bbrdrwidth-1
926
							&& mevnt.event==CIOLIB_BUTTON_1_CLICK) {
927

928
						(*cur)=(mevnt.starty)-(s_top+top+tbrdrwidth);
929
930
						if(bar)
							(*bar)=(*cur);
931
						y=top+tbrdrwidth+((mevnt.starty)-(s_top+top+tbrdrwidth));
932

933
						if(!opts)
934
935
936
							continue;

						if(mode&WIN_ACT) {
937
							uifc_mouse_disable();
deuce's avatar
deuce committed
938
							if((win=(char *)malloc((width+3)*(height+2)*2))==NULL) {
939
940
941
942
943
944
945
								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)
946
								win[i]=api->lclr|(api->cclr<<4);
947
							j=(((y-top)*width)*2)+7+((width-hbrdrsize-2)*2);
948
							for(i=(((y-top)*width)*2)+7;i<j;i+=2)
949
								win[i]=api->hclr|(api->cclr<<4);
950
951
952
953

							puttext(s_left+left,s_top+top,s_left
								+left+width-1,s_top+top+height-1,win);
							free(win);
954
							uifc_mouse_enable();
955
956
						}
						else if(mode&WIN_SAV) {
957
							uifc_mouse_disable();
958
959
960
							puttext(sav[api->savnum].left,sav[api->savnum].top
								,sav[api->savnum].right,sav[api->savnum].bot
								,sav[api->savnum].buf);
961
							uifc_mouse_enable();
962
963
964
							free(sav[api->savnum].buf);
							api->savdepth--;
						}
965
966
						if(mode&WIN_XTR && (*cur)==opts-1)
							return(MSK_INS|*cur);
967
968
969
						return(*cur);
					}
					/* Clicked Scroll Up */
970
971
					else if(mevnt.startx==s_left+left+lbrdrwidth
							&& mevnt.starty==s_top+top+tbrdrwidth
972
							&& mevnt.event==CIOLIB_BUTTON_1_CLICK) {
973
						i=CIO_KEY_PPAGE;
974
975
					}
					/* Clicked Scroll Down */
976
977
					else if(mevnt.startx==s_left+left+lbrdrwidth
							&& mevnt.starty==(s_top+top+height)-bbrdrwidth-1
978
							&& mevnt.event==CIOLIB_BUTTON_1_CLICK) {
979
						i=CIO_KEY_NPAGE;
980
					}
deuce's avatar
deuce committed
981
					/* Clicked Outside of Window */
982
					else if((mevnt.startx<s_left+left
deuce's avatar
deuce committed
983
984
985
							|| mevnt.startx>s_left+left+width-1
							|| mevnt.starty<s_top+top
							|| mevnt.starty>s_top+top+height-1)
986
							&& (mevnt.event==CIOLIB_BUTTON_1_CLICK
987
988
							|| mevnt.event==CIOLIB_BUTTON_3_CLICK)) {
						if(mode&WIN_UNGETMOUSE) {
deuce's avatar
deuce committed
989
							ungetmouse(&mevnt);
990
							i=CIO_KEY_MOUSE;
991
992
993
994
995
						}
						else {
							i=ESC;
						}
					}
996
997
				}
			}
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
			/* For compatibility with terminals lacking special keys */
			switch(i) {
				case '\b':
					i=ESC;
					break;
				case '+':
					i=CIO_KEY_IC;	/* insert */
					break;
				case '-':
				case DEL:
					i=CIO_KEY_DC;	/* delete */
					break;
				case CTRL_B:
1011
1012
					if(!(api->mode&UIFC_NOCTRL))
						i=CIO_KEY_HOME;
1013
1014
					break;
				case CTRL_E:
1015
1016
					if(!(api->mode&UIFC_NOCTRL))
						i=CIO_KEY_END;
1017
1018
					break;
				case CTRL_U:
1019
1020
					if(!(api->mode&UIFC_NOCTRL))
						i=CIO_KEY_PPAGE;
1021
1022
					break;
				case CTRL_D:
1023
1024
					if(!(api->mode&UIFC_NOCTRL))
						i=CIO_KEY_NPAGE;
1025
1026
					break;
				case CTRL_Z:
1027
1028
					if(!(api->mode&UIFC_NOCTRL))
						i=CIO_KEY_F(1);	/* help */
1029
1030
					break;
				case CTRL_C:
1031
1032
					if(!(api->mode&UIFC_NOCTRL))
						i=CIO_KEY_F(5);	/* copy */
1033
1034
					break;
				case CTRL_V:
1035
1036
					if(!(api->mode&UIFC_NOCTRL))
						i=CIO_KEY_F(6);	/* paste */
1037
1038
					break;
			}
1039
1040
1041
1042
			if(i>255) {
				s=0;
				switch(i) {
					/* ToDo extended keys */
1043
					case CIO_KEY_HOME:	/* home */
1044
1045
						if(!opts)
							break;