1 #include <u.h>
2 #include <libc.h>
3 #include <draw.h>
4 #include <thread.h>
5 #include <cursor.h>
6 #include <mouse.h>
7 #include <keyboard.h>
8 #include <frame.h>
9 #include <fcall.h>
10 #include <bio.h>
11 #include <plumb.h>
12 #include "dat.h"
13 #include "fns.h"
14 
15 static Rune Lcolhdr[] = {
16 	'N', 'e', 'w', 'c', 'o', 'l', ' ',
17 	'K', 'i', 'l', 'l', ' ',
18 	'P', 'u', 't', 'a', 'l', 'l', ' ',
19 	'D', 'u', 'm', 'p', ' ',
20 	'E', 'x', 'i', 't', ' ',
21 	0
22 };
23 
24 void
25 rowinit(Row *row, Rectangle r)
26 {
27 	Rectangle r1;
28 	Text *t;
29 
30 	draw(screen, r, display->white, nil, ZP);
31 	row->r = r;
32 	row->col = nil;
33 	row->ncol = 0;
34 	r1 = r;
35 	r1.max.y = r1.min.y + font->height;
36 	t = &row->tag;
37 	textinit(t, fileaddtext(nil, t), r1, rfget(FALSE, FALSE, FALSE, nil), tagcols);
38 	t->what = Rowtag;
39 	t->row = row;
40 	t->w = nil;
41 	t->col = nil;
42 	r1.min.y = r1.max.y;
43 	r1.max.y += Border;
44 	draw(screen, r1, display->black, nil, ZP);
45 	textinsert(t, 0, Lcolhdr, 29, TRUE);
46 	textsetselect(t, t->file->b.nc, t->file->b.nc);
47 }
48 
49 Column*
50 rowadd(Row *row, Column *c, int x)
51 {
52 	Rectangle r, r1;
53 	Column *d;
54 	int i;
55 
56 	d = nil;
57 	r = row->r;
58 	r.min.y = row->tag.fr.r.max.y+Border;
59 	if(x<r.min.x && row->ncol>0){	/*steal 40% of last column by default */
60 		d = row->col[row->ncol-1];
61 		x = d->r.min.x + 3*Dx(d->r)/5;
62 	}
63 	/* look for column we'll land on */
64 	for(i=0; i<row->ncol; i++){
65 		d = row->col[i];
66 		if(x < d->r.max.x)
67 			break;
68 	}
69 	if(row->ncol > 0){
70 		if(i < row->ncol)
71 			i++;	/* new column will go after d */
72 		r = d->r;
73 		if(Dx(r) < 100)
74 			return nil;
75 		draw(screen, r, display->white, nil, ZP);
76 		r1 = r;
77 		r1.max.x = min(x, r.max.x-50);
78 		if(Dx(r1) < 50)
79 			r1.max.x = r1.min.x+50;
80 		colresize(d, r1);
81 		r1.min.x = r1.max.x;
82 		r1.max.x = r1.min.x+Border;
83 		draw(screen, r1, display->black, nil, ZP);
84 		r.min.x = r1.max.x;
85 	}
86 	if(c == nil){
87 		c = emalloc(sizeof(Column));
88 		colinit(c, r);
89 		incref(&reffont.ref);
90 	}else
91 		colresize(c, r);
92 	c->row = row;
93 	c->tag.row = row;
94 	row->col = realloc(row->col, (row->ncol+1)*sizeof(Column*));
95 	memmove(row->col+i+1, row->col+i, (row->ncol-i)*sizeof(Column*));
96 	row->col[i] = c;
97 	row->ncol++;
98 	clearmouse();
99 	return c;
100 }
101 
102 void
103 rowresize(Row *row, Rectangle r)
104 {
105 	int i, dx, odx;
106 	Rectangle r1, r2;
107 	Column *c;
108 
109 	dx = Dx(r);
110 	odx = Dx(row->r);
111 	row->r = r;
112 	r1 = r;
113 	r1.max.y = r1.min.y + font->height;
114 	textresize(&row->tag, r1);
115 	r1.min.y = r1.max.y;
116 	r1.max.y += Border;
117 	draw(screen, r1, display->black, nil, ZP);
118 	r.min.y = r1.max.y;
119 	r1 = r;
120 	r1.max.x = r1.min.x;
121 	for(i=0; i<row->ncol; i++){
122 		c = row->col[i];
123 		r1.min.x = r1.max.x;
124 		if(i == row->ncol-1)
125 			r1.max.x = r.max.x;
126 		else
127 			r1.max.x = r1.min.x+Dx(c->r)*dx/odx;
128 		if(i > 0){
129 			r2 = r1;
130 			r2.max.x = r2.min.x+Border;
131 			draw(screen, r2, display->black, nil, ZP);
132 			r1.min.x = r2.max.x;
133 		}
134 		colresize(c, r1);
135 	}
136 }
137 
138 void
139 rowdragcol(Row *row, Column *c, int _0)
140 {
141 	Rectangle r;
142 	int i, b, x;
143 	Point p, op;
144 	Column *d;
145 
146 	USED(_0);
147 
148 	clearmouse();
149 	setcursor(mousectl, &boxcursor);
150 	b = mouse->buttons;
151 	op = mouse->xy;
152 	while(mouse->buttons == b)
153 		readmouse(mousectl);
154 	setcursor(mousectl, nil);
155 	if(mouse->buttons){
156 		while(mouse->buttons)
157 			readmouse(mousectl);
158 		return;
159 	}
160 
161 	for(i=0; i<row->ncol; i++)
162 		if(row->col[i] == c)
163 			goto Found;
164 	error("can't find column");
165 
166   Found:
167 	if(i == 0)
168 		return;
169 	p = mouse->xy;
170 	if((abs(p.x-op.x)<5 && abs(p.y-op.y)<5))
171 		return;
172 	if((i>0 && p.x<row->col[i-1]->r.min.x) || (i<row->ncol-1 && p.x>c->r.max.x)){
173 		/* shuffle */
174 		x = c->r.min.x;
175 		rowclose(row, c, FALSE);
176 		if(rowadd(row, c, p.x) == nil)	/* whoops! */
177 		if(rowadd(row, c, x) == nil)		/* WHOOPS! */
178 		if(rowadd(row, c, -1)==nil){		/* shit! */
179 			rowclose(row, c, TRUE);
180 			return;
181 		}
182 		colmousebut(c);
183 		return;
184 	}
185 	d = row->col[i-1];
186 	if(p.x < d->r.min.x+80+Scrollwid)
187 		p.x = d->r.min.x+80+Scrollwid;
188 	if(p.x > c->r.max.x-80-Scrollwid)
189 		p.x = c->r.max.x-80-Scrollwid;
190 	r = d->r;
191 	r.max.x = c->r.max.x;
192 	draw(screen, r, display->white, nil, ZP);
193 	r.max.x = p.x;
194 	colresize(d, r);
195 	r = c->r;
196 	r.min.x = p.x;
197 	r.max.x = r.min.x;
198 	r.max.x += Border;
199 	draw(screen, r, display->black, nil, ZP);
200 	r.min.x = r.max.x;
201 	r.max.x = c->r.max.x;
202 	colresize(c, r);
203 	colmousebut(c);
204 }
205 
206 void
207 rowclose(Row *row, Column *c, int dofree)
208 {
209 	Rectangle r;
210 	int i;
211 
212 	for(i=0; i<row->ncol; i++)
213 		if(row->col[i] == c)
214 			goto Found;
215 	error("can't find column");
216   Found:
217 	r = c->r;
218 	if(dofree)
219 		colcloseall(c);
220 	memmove(row->col+i, row->col+i+1, (row->ncol-i)*sizeof(Column*));
221 	row->ncol--;
222 	row->col = realloc(row->col, row->ncol*sizeof(Column*));
223 	if(row->ncol == 0){
224 		draw(screen, r, display->white, nil, ZP);
225 		return;
226 	}
227 	if(i == row->ncol){		/* extend last column right */
228 		c = row->col[i-1];
229 		r.min.x = c->r.min.x;
230 		r.max.x = row->r.max.x;
231 	}else{			/* extend next window left */
232 		c = row->col[i];
233 		r.max.x = c->r.max.x;
234 	}
235 	draw(screen, r, display->white, nil, ZP);
236 	colresize(c, r);
237 }
238 
239 Column*
240 rowwhichcol(Row *row, Point p)
241 {
242 	int i;
243 	Column *c;
244 
245 	for(i=0; i<row->ncol; i++){
246 		c = row->col[i];
247 		if(ptinrect(p, c->r))
248 			return c;
249 	}
250 	return nil;
251 }
252 
253 Text*
254 rowwhich(Row *row, Point p)
255 {
256 	Column *c;
257 
258 	if(ptinrect(p, row->tag.all))
259 		return &row->tag;
260 	c = rowwhichcol(row, p);
261 	if(c)
262 		return colwhich(c, p);
263 	return nil;
264 }
265 
266 Text*
267 rowtype(Row *row, Rune r, Point p)
268 {
269 	Window *w;
270 	Text *t;
271 
272 	clearmouse();
273 	qlock(&row->lk);
274 	if(bartflag)
275 		t = barttext;
276 	else
277 		t = rowwhich(row, p);
278 	if(t!=nil && !(t->what==Tag && ptinrect(p, t->scrollr))){
279 		w = t->w;
280 		if(w == nil)
281 			texttype(t, r);
282 		else{
283 			winlock(w, 'K');
284 			wintype(w, t, r);
285 			winunlock(w);
286 		}
287 	}
288 	qunlock(&row->lk);
289 	return t;
290 }
291 
292 int
293 rowclean(Row *row)
294 {
295 	int clean;
296 	int i;
297 
298 	clean = TRUE;
299 	for(i=0; i<row->ncol; i++)
300 		clean &= colclean(row->col[i]);
301 	return clean;
302 }
303 
304 void
305 rowdump(Row *row, char *file)
306 {
307 	int i, j, fd, m, n, dumped;
308 	uint q0, q1;
309 	Biobuf *b;
310 	char *buf, *a, *fontname;
311 	Rune *r;
312 	Column *c;
313 	Window *w, *w1;
314 	Text *t;
315 
316 	if(row->ncol == 0)
317 		return;
318 	buf = fbufalloc();
319 	if(file == nil){
320 		if(home == nil){
321 			warning(nil, "can't find file for dump: $home not defined\n");
322 			goto Rescue;
323 		}
324 		sprint(buf, "%s/acme.dump", home);
325 		file = buf;
326 	}
327 	fd = create(file, OWRITE, 0600);
328 	if(fd < 0){
329 		warning(nil, "can't open %s: %r\n", file);
330 		goto Rescue;
331 	}
332 	b = emalloc(sizeof(Biobuf));
333 	Binit(b, fd, OWRITE);
334 	r = fbufalloc();
335 	Bprint(b, "%s\n", wdir);
336 	Bprint(b, "%s\n", fontnames[0]);
337 	Bprint(b, "%s\n", fontnames[1]);
338 	for(i=0; i<row->ncol; i++){
339 		c = row->col[i];
340 		Bprint(b, "%11d", 100*(c->r.min.x-row->r.min.x)/Dx(row->r));
341 		if(i == row->ncol-1)
342 			Bputc(b, '\n');
343 		else
344 			Bputc(b, ' ');
345 	}
346 	for(i=0; i<row->ncol; i++){
347 		c = row->col[i];
348 		for(j=0; j<c->nw; j++)
349 			c->w[j]->body.file->dumpid = 0;
350 	}
351 	for(i=0; i<row->ncol; i++){
352 		c = row->col[i];
353 		for(j=0; j<c->nw; j++){
354 			w = c->w[j];
355 			wincommit(w, &w->tag);
356 			t = &w->body;
357 			/* windows owned by others get special treatment */
358 			if(w->nopen[QWevent] > 0)
359 				if(w->dumpstr == nil)
360 					continue;
361 			/* zeroxes of external windows are tossed */
362 			if(t->file->ntext > 1)
363 				for(n=0; n<t->file->ntext; n++){
364 					w1 = t->file->text[n]->w;
365 					if(w == w1)
366 						continue;
367 					if(w1->nopen[QWevent])
368 						goto Continue2;
369 				}
370 			fontname = "";
371 			if(t->reffont->f != font)
372 				fontname = t->reffont->f->name;
373 			if(t->file->nname)
374 				a = runetobyte(t->file->name, t->file->nname);
375 			else
376 				a = emalloc(1);
377 			if(t->file->dumpid){
378 				dumped = FALSE;
379 				Bprint(b, "x%11d %11d %11d %11d %11d %s\n", i, t->file->dumpid,
380 					w->body.q0, w->body.q1,
381 					100*(w->r.min.y-c->r.min.y)/Dy(c->r),
382 					fontname);
383 			}else if(w->dumpstr){
384 				dumped = FALSE;
385 				Bprint(b, "e%11d %11d %11d %11d %11d %s\n", i, t->file->dumpid,
386 					0, 0,
387 					100*(w->r.min.y-c->r.min.y)/Dy(c->r),
388 					fontname);
389 			}else if((w->dirty==FALSE && access(a, 0)==0) || w->isdir){
390 				dumped = FALSE;
391 				t->file->dumpid = w->id;
392 				Bprint(b, "f%11d %11d %11d %11d %11d %s\n", i, w->id,
393 					w->body.q0, w->body.q1,
394 					100*(w->r.min.y-c->r.min.y)/Dy(c->r),
395 					fontname);
396 			}else{
397 				dumped = TRUE;
398 				t->file->dumpid = w->id;
399 				Bprint(b, "F%11d %11d %11d %11d %11d %11d %s\n", i, j,
400 					w->body.q0, w->body.q1,
401 					100*(w->r.min.y-c->r.min.y)/Dy(c->r),
402 					w->body.file->b.nc, fontname);
403 			}
404 			free(a);
405 			winctlprint(w, buf, 0);
406 			Bwrite(b, buf, strlen(buf));
407 			m = min(RBUFSIZE, w->tag.file->b.nc);
408 			bufread(&w->tag.file->b, 0, r, m);
409 			n = 0;
410 			while(n<m && r[n]!='\n')
411 				n++;
412 			r[n++] = '\n';
413 			Bprint(b, "%.*S", n, r);
414 			if(dumped){
415 				q0 = 0;
416 				q1 = t->file->b.nc;
417 				while(q0 < q1){
418 					n = q1 - q0;
419 					if(n > BUFSIZE/UTFmax)
420 						n = BUFSIZE/UTFmax;
421 					bufread(&t->file->b, q0, r, n);
422 					Bprint(b, "%.*S", n, r);
423 					q0 += n;
424 				}
425 			}
426 			if(w->dumpstr){
427 				if(w->dumpdir)
428 					Bprint(b, "%s\n%s\n", w->dumpdir, w->dumpstr);
429 				else
430 					Bprint(b, "\n%s\n", w->dumpstr);
431 			}
432     Continue2:;
433 		}
434 	}
435 	Bterm(b);
436 	close(fd);
437 	free(b);
438 	fbuffree(r);
439 
440    Rescue:
441 	fbuffree(buf);
442 }
443 
444 static
445 char*
446 rdline(Biobuf *b, int *linep)
447 {
448 	char *l;
449 
450 	l = Brdline(b, '\n');
451 	if(l)
452 		(*linep)++;
453 	return l;
454 }
455 
456 /*
457  * Get font names from load file so we don't load fonts we won't use
458  */
459 void
460 rowloadfonts(char *file)
461 {
462 	int i;
463 	Biobuf *b;
464 	char *l;
465 
466 	b = Bopen(file, OREAD);
467 	if(b == nil)
468 		return;
469 	/* current directory */
470 	l = Brdline(b, '\n');
471 	if(l == nil)
472 		goto Return;
473 	/* global fonts */
474 	for(i=0; i<2; i++){
475 		l = Brdline(b, '\n');
476 		if(l == nil)
477 			goto Return;
478 		l[Blinelen(b)-1] = 0;
479 		if(*l && strcmp(l, fontnames[i])!=0)
480 			fontnames[i] = estrdup(l);
481 	}
482     Return:
483 	Bterm(b);
484 }
485 
486 void
487 rowload(Row *row, char *file, int initing)
488 {
489 	int i, j, line, percent, y, nr, nfontr, n, ns, ndumped, dumpid, x, fd;
490 	Biobuf *b, *bout;
491 	char *buf, *l, *t, *fontname;
492 	Rune *r, rune, *fontr;
493 	Column *c, *c1, *c2;
494 	uint q0, q1;
495 	Rectangle r1, r2;
496 	Window *w;
497 
498 	buf = fbufalloc();
499 	if(file == nil){
500 		if(home == nil){
501 			warning(nil, "can't find file for load: $home not defined\n");
502 			goto Rescue1;
503 		}
504 		sprint(buf, "%s/acme.dump", home);
505 		file = buf;
506 	}
507 	b = Bopen(file, OREAD);
508 	if(b == nil){
509 		warning(nil, "can't open load file %s: %r\n", file);
510 		goto Rescue1;
511 	}
512 	/* current directory */
513 	line = 0;
514 	l = rdline(b, &line);
515 	if(l == nil)
516 		goto Rescue2;
517 	l[Blinelen(b)-1] = 0;
518 	if(chdir(l) < 0){
519 		warning(nil, "can't chdir %s\n", l);
520 		goto Rescue2;
521 	}
522 	/* global fonts */
523 	for(i=0; i<2; i++){
524 		l = rdline(b, &line);
525 		if(l == nil)
526 			goto Rescue2;
527 		l[Blinelen(b)-1] = 0;
528 		if(*l && strcmp(l, fontnames[i])!=0)
529 			rfget(i, TRUE, i==0 && initing, estrdup(l));
530 	}
531 	if(initing && row->ncol==0)
532 		rowinit(row, screen->clipr);
533 	l = rdline(b, &line);
534 	if(l == nil)
535 		goto Rescue2;
536 	j = Blinelen(b)/12;
537 	if(j<=0 || j>10)
538 		goto Rescue2;
539 	for(i=0; i<j; i++){
540 		percent = atoi(l+i*12);
541 		if(percent<0 || percent>=100)
542 			goto Rescue2;
543 		x = row->r.min.x+percent*Dx(row->r)/100;
544 		if(i < row->ncol){
545 			if(i == 0)
546 				continue;
547 			c1 = row->col[i-1];
548 			c2 = row->col[i];
549 			r1 = c1->r;
550 			r2 = c2->r;
551 			r1.max.x = x;
552 			r2.min.x = x+Border;
553 			if(Dx(r1) < 50 || Dx(r2) < 50)
554 				continue;
555 			draw(screen, Rpt(r1.min, r2.max), display->white, nil, ZP);
556 			colresize(c1, r1);
557 			colresize(c2, r2);
558 			r2.min.x = x;
559 			r2.max.x = x+Border;
560 			draw(screen, r2, display->black, nil, ZP);
561 		}
562 		if(i >= row->ncol)
563 			rowadd(row, nil, x);
564 	}
565 	for(;;){
566 		l = rdline(b, &line);
567 		if(l == nil)
568 			break;
569 		dumpid = 0;
570 		switch(l[0]){
571 		case 'e':
572 			if(Blinelen(b) < 1+5*12+1)
573 				goto Rescue2;
574 			l = rdline(b, &line);	/* ctl line; ignored */
575 			if(l == nil)
576 				goto Rescue2;
577 			l = rdline(b, &line);	/* directory */
578 			if(l == nil)
579 				goto Rescue2;
580 			l[Blinelen(b)-1] = 0;
581 			if(*l == '\0'){
582 				if(home == nil)
583 					r = bytetorune("./", &nr);
584 				else{
585 					t = emalloc(strlen(home)+1+1);
586 					sprint(t, "%s/", home);
587 					r = bytetorune(t, &nr);
588 					free(t);
589 				}
590 			}else
591 				r = bytetorune(l, &nr);
592 			l = rdline(b, &line);	/* command */
593 			if(l == nil)
594 				goto Rescue2;
595 			t = emalloc(Blinelen(b)+1);
596 			memmove(t, l, Blinelen(b));
597 			run(nil, t, r, nr, TRUE, nil, nil, FALSE);
598 			/* r is freed in run() */
599 			continue;
600 		case 'f':
601 			if(Blinelen(b) < 1+5*12+1)
602 				goto Rescue2;
603 			fontname = l+1+5*12;
604 			ndumped = -1;
605 			break;
606 		case 'F':
607 			if(Blinelen(b) < 1+6*12+1)
608 				goto Rescue2;
609 			fontname = l+1+6*12;
610 			ndumped = atoi(l+1+5*12+1);
611 			break;
612 		case 'x':
613 			if(Blinelen(b) < 1+5*12+1)
614 				goto Rescue2;
615 			fontname = l+1+5*12;
616 			ndumped = -1;
617 			dumpid = atoi(l+1+1*12);
618 			break;
619 		default:
620 			goto Rescue2;
621 		}
622 		l[Blinelen(b)-1] = 0;
623 		fontr = nil;
624 		nfontr = 0;
625 		if(*fontname)
626 			fontr = bytetorune(fontname, &nfontr);
627 		i = atoi(l+1+0*12);
628 		j = atoi(l+1+1*12);
629 		q0 = atoi(l+1+2*12);
630 		q1 = atoi(l+1+3*12);
631 		percent = atoi(l+1+4*12);
632 		if(i<0 || i>10)
633 			goto Rescue2;
634 		if(i > row->ncol)
635 			i = row->ncol;
636 		c = row->col[i];
637 		y = c->r.min.y+(percent*Dy(c->r))/100;
638 		if(y<c->r.min.y || y>=c->r.max.y)
639 			y = -1;
640 		if(dumpid == 0)
641 			w = coladd(c, nil, nil, y);
642 		else
643 			w = coladd(c, nil, lookid(dumpid, TRUE), y);
644 		if(w == nil)
645 			continue;
646 		w->dumpid = j;
647 		l = rdline(b, &line);
648 		if(l == nil)
649 			goto Rescue2;
650 		l[Blinelen(b)-1] = 0;
651 		r = bytetorune(l+5*12, &nr);
652 		ns = -1;
653 		for(n=0; n<nr; n++){
654 			if(r[n] == '/')
655 				ns = n;
656 			if(r[n] == ' ')
657 				break;
658 		}
659 		if(dumpid == 0)
660 			winsetname(w, r, n);
661 		for(; n<nr; n++)
662 			if(r[n] == '|')
663 				break;
664 		wincleartag(w);
665 		textinsert(&w->tag, w->tag.file->b.nc, r+n+1, nr-(n+1), TRUE);
666 		free(r);
667 		if(ndumped >= 0){
668 			/* simplest thing is to put it in a file and load that */
669 			sprint(buf, "/tmp/d%d.%.4sacme", getpid(), getuser());
670 			fd = create(buf, OWRITE|ORCLOSE, 0600);
671 			if(fd < 0){
672 				warning(nil, "can't create temp file: %r\n");
673 				goto Rescue2;
674 			}
675 			bout = emalloc(sizeof(Biobuf));
676 			Binit(bout, fd, OWRITE);
677 			for(n=0; n<ndumped; n++){
678 				rune = Bgetrune(b);
679 				if(rune == '\n')
680 					line++;
681 				if(rune == (Rune)Beof){
682 					Bterm(bout);
683 					free(bout);
684 					close(fd);
685 					goto Rescue2;
686 				}
687 				Bputrune(bout, rune);
688 			}
689 			Bterm(bout);
690 			free(bout);
691 			textload(&w->body, 0, buf, 1);
692 			close(fd);
693 			w->body.file->mod = TRUE;
694 			for(n=0; n<w->body.file->ntext; n++)
695 				w->body.file->text[n]->w->dirty = TRUE;
696 			winsettag(w);
697 		}else if(dumpid==0 && r[ns+1]!='+' && r[ns+1]!='-')
698 			get(&w->body, nil, nil, FALSE, XXX, nil, 0);
699 		if(fontr){
700 			fontx(&w->body, nil, nil, 0, 0, fontr, nfontr);
701 			free(fontr);
702 		}
703 		if(q0>w->body.file->b.nc || q1>w->body.file->b.nc || q0>q1)
704 			q0 = q1 = 0;
705 		textshow(&w->body, q0, q1, 1);
706 		w->maxlines = min(w->body.fr.nlines, max(w->maxlines, w->body.fr.maxlines));
707 	}
708 	Bterm(b);
709 
710 Rescue1:
711 	fbuffree(buf);
712 	return;
713 
714 Rescue2:
715 	warning(nil, "bad load file %s:%d\n", file, line);
716 	Bterm(b);
717 	goto Rescue1;
718 }
719 
720 void
721 allwindows(void (*f)(Window*, void*), void *arg)
722 {
723 	int i, j;
724 	Column *c;
725 
726 	for(i=0; i<row.ncol; i++){
727 		c = row.col[i];
728 		for(j=0; j<c->nw; j++)
729 			(*f)(c->w[j], arg);
730 	}
731 }