void
textdelete(Text *t, uint q0, uint q1, int tofile)
{
uint n, p0, p1;
int i, c;
Text *u;
if(tofile && t->ncache != 0)
error("text.delete");
n = q1-q0;
if(n == 0)
return;
if(tofile){
filedelete(t->file, q0, q1);
if(t->what == Body){
t->w->dirty = TRUE;
t->w->utflastqid = -1;
}
if(t->file->ntext > 1)
for(i=0; i<t->file->ntext; i++){
u = t->file->text[i];
if(u != t){
u->w->dirty = TRUE; /* always a body */
textdelete(u, q0, q1, FALSE);
textsetselect(u, u->q0, u->q1);
textscrdraw(u);
}
}
}
if(q0 < t->q0)
t->q0 -= min(n, t->q0-q0);
if(q0 < t->q1)
t->q1 -= min(n, t->q1-q0);
if(q1 <= t->org)
t->org -= n;
else if(q0 < t->org+t->nchars){
p1 = q1 - t->org;
if(p1 > t->nchars)
p1 = t->nchars;
if(q0 < t->org){
t->org = q0;
p0 = 0;
}else
p0 = q0 - t->org;
frdelete(t, p0, p1);
textfill(t);
}
if(t->w){
c = 'd';
if(t->what == Body)
c = 'D';
winevent(t->w, "%c%d %d 0 0 \n", c, q0, q1);
}
}
/* called while row is locked */
void
flushwarnings(void)
{
Warning *warn, *next;
Window *w;
Text *t;
int owner, nr, q0, n;
Rune *r;
for(warn=warnings; warn; warn=next) {
w = errorwin(warn->md, 'E');
t = &w->body;
owner = w->owner;
if(owner == 0)
w->owner = 'E';
wincommit(w, t);
/*
* Most commands don't generate much output. For instance,
* Edit ,>cat goes through /dev/cons and is already in blocks
* because of the i/o system, but a few can. Edit ,p will
* put the entire result into a single hunk. So it's worth doing
* this in blocks (and putting the text in a buffer in the first
* place), to avoid a big memory footprint.
*/
r = fbufalloc();
q0 = t->file->nc;
for(n = 0; n < warn->buf.nc; n += nr){
nr = warn->buf.nc - n;
if(nr > RBUFSIZE)
nr = RBUFSIZE;
bufread(&warn->buf, n, r, nr);
textbsinsert(t, t->file->nc, r, nr, TRUE, &nr);
}
textshow(t, q0, t->file->nc, 1);
free(r);
winsettag(t->w);
textscrdraw(t);
w->owner = owner;
w->dirty = FALSE;
winunlock(w);
bufclose(&warn->buf);
next = warn->next;
if(warn->md)
fsysdelid(warn->md);
free(warn);
}
warnings = nil;
}
void
textinsert(Text *t, uint q0, Rune *r, uint n, int tofile)
{
int c, i;
Text *u;
if(tofile && t->ncache != 0)
error("text.insert");
if(n == 0)
return;
if(tofile){
fileinsert(t->file, q0, r, n);
if(t->what == Body){
t->w->dirty = TRUE;
t->w->utflastqid = -1;
}
if(t->file->ntext > 1)
for(i=0; i<t->file->ntext; i++){
u = t->file->text[i];
if(u != t){
u->w->dirty = TRUE; /* always a body */
textinsert(u, q0, r, n, FALSE);
textsetselect(u, u->q0, u->q1);
textscrdraw(u);
}
}
}
if(q0 < t->iq1)
t->iq1 += n;
if(q0 < t->q1)
t->q1 += n;
if(q0 < t->q0)
t->q0 += n;
if(q0 < t->org)
t->org += n;
else if(q0 <= t->org+t->fr.nchars)
frinsert(&t->fr, r, r+n, q0-t->org);
if(t->w){
c = 'i';
if(t->what == Body)
c = 'I';
if(n <= EVENTSIZE)
winevent(t->w, "%c%d %d 0 %d %.*S\n", c, q0, q0+n, n, n, r);
else
winevent(t->w, "%c%d %d 0 0 \n", c, q0, q0+n, n);
}
}
void
textshow(Text *t, uint q0, uint q1, int doselect)
{
int qe;
int nl;
int tsd;
int nc;
uint q;
if(t->what != Body){
if(doselect)
textsetselect(t, q0, q1);
return;
}
if(t->w!=nil && t->fr.maxlines==0)
colgrow(t->col, t->w, 1);
if(doselect)
textsetselect(t, q0, q1);
qe = t->org+t->fr.nchars;
tsd = FALSE; /* do we call textscrdraw? */
nc = t->file->b.nc+t->ncache;
if(t->org <= q0){
if(nc==0 || q0<qe)
tsd = TRUE;
else if(q0==qe && qe==nc){
if(textreadc(t, nc-1) == '\n'){
if(t->fr.nlines<t->fr.maxlines)
tsd = TRUE;
}else
tsd = TRUE;
}
}
if(tsd)
textscrdraw(t);
else{
if(t->w->nopen[QWevent] > 0)
nl = 3*t->fr.maxlines/4;
else
nl = t->fr.maxlines/4;
q = textbacknl(t, q0, nl);
/* avoid going backwards if trying to go forwards - long lines! */
if(!(q0>t->org && q<t->org))
textsetorigin(t, q, TRUE);
while(q0 > t->org+t->fr.nchars)
textsetorigin(t, t->org+1, FALSE);
}
}
int
textresize(Text *t, Image *b, Rectangle r)
{
if(Dy(r) > 0)
r.max.y -= Dy(r)%t->font->height;
else
r.max.y = r.min.y;
t->all = r;
t->scrollr = r;
t->scrollr.max.x = r.min.x+Scrollsize;
t->lastsr = ZR;
r.min.x += Scrollsize+Scrollgap;
frclear(t, 0);
textredraw(t, r, t->font, b);
if(t->what == Textarea)
textscrdraw(t);
return r.max.y;
}
void
readfile(Column *c, char *s)
{
Window *w;
Rune rb[256];
int nb, nr;
Runestr rs;
w = coladd(c, nil, nil, -1);
cvttorunes(s, strlen(s), rb, &nb, &nr, nil);
rs = cleanrname((Runestr){rb, nr});
winsetname(w, rs.r, rs.nr);
textload(&w->body, 0, s, 1);
w->body.file->mod = FALSE;
w->dirty = FALSE;
winsettag(w);
textscrdraw(&w->body);
textsetselect(&w->tag, w->tag.file->nc, w->tag.file->nc);
}
void
textsetorigin(Text *t, uint org, int exact)
{
int i, a, fixup;
Rune *r;
uint n;
if(org>0 && !exact){
/* org is an estimate of the char posn; find a newline */
/* don't try harder than 256 chars */
for(i=0; i<256 && org<t->file->nc; i++){
if(textreadc(t, org) == '\n'){
org++;
break;
}
org++;
}
}
a = org-t->org;
fixup = 0;
if(a>=0 && a<t->nchars){
frdelete(t, 0, a);
fixup = 1; /* frdelete can leave end of last line in wrong selection mode; it doesn't know what follows */
}
else if(a<0 && -a<t->nchars){
n = t->org - org;
r = runemalloc(n);
bufread(t->file, org, r, n);
frinsert(t, r, r+n, 0);
free(r);
}else
frdelete(t, 0, t->nchars);
t->org = org;
textfill(t);
textscrdraw(t);
textsetselect(t, t->q0, t->q1);
if(fixup && t->p1 > t->p0)
frdrawsel(t, frptofchar(t, t->p1-1), t->p1-1, t->p1, 1);
}
void
plumbshow(Plumbmsg *m)
{
Window *w;
Rune rb[256], *r;
int nb, nr;
Runestr rs;
char *name, *p, namebuf[16];
drawtopwindow();
w = makenewwindow(nil);
name = plumblookup(m->attr, "filename");
if(name == nil){
name = namebuf;
nuntitled++;
snprint(namebuf, sizeof namebuf, "Untitled-%d", nuntitled);
}
p = nil;
if(name[0]!='/' && m->wdir!=nil && m->wdir[0]!='\0'){
nb = strlen(m->wdir) + 1 + strlen(name) + 1;
p = emalloc(nb);
snprint(p, nb, "%s/%s", m->wdir, name);
name = p;
}
cvttorunes(name, strlen(name), rb, &nb, &nr, nil);
free(p);
rs = cleanrname(runestr(rb, nr));
winsetname(w, rs.r, rs.nr);
r = runemalloc(m->ndata);
cvttorunes(m->data, m->ndata, r, &nb, &nr, nil);
textinsert(&w->body, 0, r, nr, TRUE);
free(r);
w->body.file->mod = FALSE;
w->dirty = FALSE;
winsettag(w);
textscrdraw(&w->body);
textsetselect(&w->tag, w->tag.file->b.nc, w->tag.file->b.nc);
xfidlog(w, "new");
}
void
readfile(Column *c, char *s)
{
Window *w;
Rune rb[256];
int nr;
Runestr rs;
w = coladd(c, nil, nil, -1);
if(s[0] != '/')
runesnprint(rb, sizeof rb, "%s/%s", wdir, s);
else
runesnprint(rb, sizeof rb, "%s", s);
nr = runestrlen(rb);
rs = cleanrname(runestr(rb, nr));
winsetname(w, rs.r, rs.nr);
textload(&w->body, 0, s, 1);
w->body.file->mod = FALSE;
w->dirty = FALSE;
winsettag(w);
winresize(w, w->r, FALSE, TRUE);
textscrdraw(&w->body);
textsetselect(&w->tag, w->tag.file->b.nc, w->tag.file->b.nc);
}
void
textselect(Text *t)
{
uint q0, q1;
int b, x, y;
int state;
selecttext = t;
/*
* To have double-clicking and chording, we double-click
* immediately if it might make sense.
*/
b = mouse->buttons;
q0 = t->q0;
q1 = t->q1;
selectq = t->org+frcharofpt(t, mouse->xy);
if(clicktext==t && mouse->msec-clickmsec<500)
if(q0==q1 && selectq==q0){
textdoubleclick(t, &q0, &q1);
textsetselect(t, q0, q1);
flushimage(display, 1);
x = mouse->xy.x;
y = mouse->xy.y;
/* stay here until something interesting happens */
do
readmouse(mousectl);
while(mouse->buttons==b && abs(mouse->xy.x-x)<3 && abs(mouse->xy.y-y)<3);
mouse->xy.x = x; /* in case we're calling frselect */
mouse->xy.y = y;
q0 = t->q0; /* may have changed */
q1 = t->q1;
selectq = q0;
}
if(mouse->buttons == b){
t->Frame.scroll = framescroll;
frselect(t, mousectl);
/* horrible botch: while asleep, may have lost selection altogether */
if(selectq > t->file->nc)
selectq = t->org + t->p0;
t->Frame.scroll = nil;
if(selectq < t->org)
q0 = selectq;
else
q0 = t->org + t->p0;
if(selectq > t->org+t->nchars)
q1 = selectq;
else
q1 = t->org+t->p1;
}
if(q0 == q1){
if(q0==t->q0 && clicktext==t && mouse->msec-clickmsec<500){
textdoubleclick(t, &q0, &q1);
clicktext = nil;
}else{
clicktext = t;
clickmsec = mouse->msec;
}
}else
clicktext = nil;
textsetselect(t, q0, q1);
flushimage(display, 1);
state = 0; /* undo when possible; +1 for cut, -1 for paste */
while(mouse->buttons){
mouse->msec = 0;
b = mouse->buttons;
if((b&1) && (b&6)){
if(state==0 && t->what==Body){
seq++;
filemark(t->w->body.file);
}
if(b & 2){
if(state==-1 && t->what==Body){
winundo(t->w, TRUE);
textsetselect(t, q0, t->q0);
state = 0;
}else if(state != 1){
cut(t, t, nil, TRUE, TRUE, nil, 0);
state = 1;
}
}else{
if(state==1 && t->what==Body){
winundo(t->w, TRUE);
textsetselect(t, q0, t->q1);
state = 0;
}else if(state != -1){
paste(t, t, nil, TRUE, FALSE, nil, 0);
state = -1;
}
}
textscrdraw(t);
clearmouse();
}
flushimage(display, 1);
while(mouse->buttons == b)
readmouse(mousectl);
clicktext = nil;
}
}
void
texttype(Text *t, Rune r)
{
uint q0, q1;
int nb, n;
int nr;
Rune *rp;
if(t->what!=Textarea && r=='\n'){
if(t->what==Urltag)
get(t, t, XXX, XXX, nil, 0);
return;
}
if(t->what==Tag && (r==Kscrollonedown || r==Kscrolloneup))
return;
nr = 1;
rp = &r;
switch(r){
case Kleft:
if(t->q0 > 0)
textshow(t, t->q0-1, t->q0-1, TRUE);
return;
case Kright:
if(t->q1 < t->rs.nr)
textshow(t, t->q1+1, t->q1+1, TRUE);
return;
case Kdown:
n = t->maxlines/3;
goto case_Down;
case Kscrollonedown:
n = mousescrollsize(t->maxlines);
if(n <= 0)
n = 1;
goto case_Down;
case Kpgdown:
n = 2*t->maxlines/3;
case_Down:
q0 = t->org+frcharofpt(t, Pt(t->r.min.x, t->r.min.y+n*t->font->height));
textsetorigin(t, q0, TRUE);
return;
case Kup:
n = t->maxlines/3;
goto case_Up;
case Kscrolloneup:
n = mousescrollsize(t->maxlines);
goto case_Up;
case Kpgup:
n = 2*t->maxlines/3;
case_Up:
q0 = textbacknl(t, t->org, n);
textsetorigin(t, q0, TRUE);
return;
case Khome:
textshow(t, 0, 0, FALSE);
return;
case Kend:
textshow(t, t->rs.nr, t->rs.nr, FALSE);
return;
case 0x01: /* ^A: beginning of line */
/* go to where ^U would erase, if not already at BOL */
nb = 0;
if(t->q0>0 && t->rs.r[t->q0-1]!='\n')
nb = textbswidth(t, 0x15);
textshow(t, t->q0-nb, t->q0-nb, TRUE);
return;
case 0x05: /* ^E: end of line */
q0 = t->q0;
while(q0<t->rs.nr && t->rs.r[q0]!='\n')
q0++;
textshow(t, q0, q0, TRUE);
return;
}
if(t->q1 > t->q0)
cut(t, t, TRUE, TRUE, nil, 0);
textshow(t, t->q0, t->q0, TRUE);
switch(r){
case 0x08: /* ^H: erase character */
case 0x15: /* ^U: erase line */
case 0x17: /* ^W: erase word */
if(t->q0 == 0) /* nothing to erase */
return;
nb = textbswidth(t, r);
q1 = t->q0;
q0 = q1-nb;
/* if selection is at beginning of window, avoid deleting invisible text */
if(q0 < t->org){
q0 = t->org;
nb = q1-q0;
}
if(nb > 0){
textdelete(t, q0, q0+nb);
textsetselect(t, q0, q0);
}
return;
}
/* otherwise ordinary character; just insert */
textinsert(t, t->q0, &r, 1);
if(rp != &r)
free(rp);
textsetselect(t, t->q0+nr, t->q0+nr);
if(t->what == Textarea)
textscrdraw(t);
}
void
xfidctlwrite(Xfid *x, Window *w)
{
Fcall fc;
int i, m, n, nb, nr, nulls;
Rune *r;
char *err, *p, *pp, *q, *e;
int isfbuf, scrdraw, settag;
Text *t;
err = nil;
e = x->fcall.data+x->fcall.count;
scrdraw = FALSE;
settag = FALSE;
isfbuf = TRUE;
if(x->fcall.count < RBUFSIZE)
r = fbufalloc();
else{
isfbuf = FALSE;
r = emalloc(x->fcall.count*UTFmax+1);
}
x->fcall.data[x->fcall.count] = 0;
textcommit(&w->tag, TRUE);
for(n=0; n<x->fcall.count; n+=m){
p = x->fcall.data+n;
if(strncmp(p, "lock", 4) == 0){ /* make window exclusive use */
qlock(&w->ctllock);
w->ctlfid = x->f->fid;
m = 4;
}else
if(strncmp(p, "unlock", 6) == 0){ /* release exclusive use */
w->ctlfid = ~0;
qunlock(&w->ctllock);
m = 6;
}else
if(strncmp(p, "clean", 5) == 0){ /* mark window 'clean', seq=0 */
t = &w->body;
t->eq0 = ~0;
filereset(t->file);
t->file->mod = FALSE;
w->dirty = FALSE;
settag = TRUE;
m = 5;
}else
if(strncmp(p, "dirty", 5) == 0){ /* mark window 'dirty' */
t = &w->body;
/* doesn't change sequence number, so "Put" won't appear. it shouldn't. */
t->file->mod = TRUE;
w->dirty = TRUE;
settag = TRUE;
m = 5;
}else
if(strncmp(p, "show", 4) == 0){ /* show dot */
t = &w->body;
textshow(t, t->q0, t->q1, 1);
m = 4;
}else
if(strncmp(p, "name ", 5) == 0){ /* set file name */
pp = p+5;
m = 5;
q = memchr(pp, '\n', e-pp);
if(q==nil || q==pp){
err = Ebadctl;
break;
}
*q = 0;
nulls = FALSE;
cvttorunes(pp, q-pp, r, &nb, &nr, &nulls);
if(nulls){
err = "nulls in file name";
break;
}
for(i=0; i<nr; i++)
if(r[i] <= ' '){
err = "bad character in file name";
goto out;
}
out:
seq++;
filemark(w->body.file);
winsetname(w, r, nr);
m += (q+1) - pp;
}else
if(strncmp(p, "dump ", 5) == 0){ /* set dump string */
pp = p+5;
m = 5;
q = memchr(pp, '\n', e-pp);
if(q==nil || q==pp){
err = Ebadctl;
break;
}
*q = 0;
nulls = FALSE;
cvttorunes(pp, q-pp, r, &nb, &nr, &nulls);
if(nulls){
err = "nulls in dump string";
break;
}
w->dumpstr = runetobyte(r, nr);
m += (q+1) - pp;
}else
if(strncmp(p, "dumpdir ", 8) == 0){ /* set dump directory */
pp = p+8;
m = 8;
q = memchr(pp, '\n', e-pp);
if(q==nil || q==pp){
err = Ebadctl;
break;
}
*q = 0;
nulls = FALSE;
cvttorunes(pp, q-pp, r, &nb, &nr, &nulls);
if(nulls){
err = "nulls in dump directory string";
break;
}
w->dumpdir = runetobyte(r, nr);
m += (q+1) - pp;
}else
if(strncmp(p, "delete", 6) == 0){ /* delete for sure */
colclose(w->col, w, TRUE);
m = 6;
}else
if(strncmp(p, "del", 3) == 0){ /* delete, but check dirty */
if(!winclean(w, TRUE)){
err = "file dirty";
break;
}
colclose(w->col, w, TRUE);
m = 3;
}else
if(strncmp(p, "get", 3) == 0){ /* get file */
get(&w->body, nil, nil, FALSE, XXX, nil, 0);
m = 3;
}else
if(strncmp(p, "put", 3) == 0){ /* put file */
put(&w->body, nil, nil, XXX, XXX, nil, 0);
m = 3;
}else
if(strncmp(p, "dot=addr", 8) == 0){ /* set dot */
textcommit(&w->body, TRUE);
clampaddr(w);
w->body.q0 = w->addr.q0;
w->body.q1 = w->addr.q1;
textsetselect(&w->body, w->body.q0, w->body.q1);
settag = TRUE;
m = 8;
}else
if(strncmp(p, "addr=dot", 8) == 0){ /* set addr */
w->addr.q0 = w->body.q0;
w->addr.q1 = w->body.q1;
m = 8;
}else
if(strncmp(p, "limit=addr", 10) == 0){ /* set limit */
textcommit(&w->body, TRUE);
clampaddr(w);
w->limit.q0 = w->addr.q0;
w->limit.q1 = w->addr.q1;
m = 10;
}else
if(strncmp(p, "nomark", 6) == 0){ /* turn off automatic marking */
w->nomark = TRUE;
m = 6;
}else
if(strncmp(p, "mark", 4) == 0){ /* mark file */
seq++;
filemark(w->body.file);
settag = TRUE;
m = 4;
}else
if(strncmp(p, "nomenu", 6) == 0){ /* turn off automatic menu */
w->filemenu = FALSE;
m = 6;
}else
if(strncmp(p, "menu", 4) == 0){ /* enable automatic menu */
w->filemenu = TRUE;
m = 4;
}else
if(strncmp(p, "noscroll", 8) == 0){ /* turn off automatic scrolling */
w->noscroll = TRUE;
m = 8;
}else
if(strncmp(p, "cleartag", 8) == 0){ /* wipe tag right of bar */
wincleartag(w);
settag = TRUE;
m = 8;
}else
if(strncmp(p, "scroll", 6) == 0){ /* turn on automatic scrolling (writes to body only) */
w->noscroll = FALSE;
m = 6;
}else{
err = Ebadctl;
break;
}
while(p[m] == '\n')
m++;
}
if(isfbuf)
fbuffree(r);
else
free(r);
if(err)
n = 0;
fc.count = n;
respond(x, &fc, err);
if(settag)
winsettag(w);
if(scrdraw)
textscrdraw(&w->body);
}
void
xfidwrite(Xfid *x)
{
Fcall fc;
int c, cnt, qid, q, nb, nr, eval;
char buf[64], *err;
Window *w;
Rune *r;
Range a;
Text *t;
uint q0, tq0, tq1;
qid = FILE(x->f->qid);
w = x->f->w;
if(w){
c = 'F';
if(qid==QWtag || qid==QWbody)
c = 'E';
winlock(w, c);
if(w->col == nil){
winunlock(w);
respond(x, &fc, Edel);
return;
}
}
x->fcall.data[x->fcall.count] = 0;
switch(qid){
case Qcons:
w = errorwin(x->f->mntdir, 'X');
t=&w->body;
goto BodyTag;
case Qlabel:
fc.count = x->fcall.count;
respond(x, &fc, nil);
break;
case QWaddr:
x->fcall.data[x->fcall.count] = 0;
r = bytetorune(x->fcall.data, &nr);
t = &w->body;
wincommit(w, t);
eval = TRUE;
a = address(FALSE, t, w->limit, w->addr, r, 0, nr, rgetc, &eval, (uint*)&nb);
free(r);
if(nb < nr){
respond(x, &fc, Ebadaddr);
break;
}
if(!eval){
respond(x, &fc, Eaddr);
break;
}
w->addr = a;
fc.count = x->fcall.count;
respond(x, &fc, nil);
break;
case Qeditout:
case QWeditout:
r = bytetorune(x->fcall.data, &nr);
if(w)
err = edittext(w, w->wrselrange.q1, r, nr);
else
err = edittext(nil, 0, r, nr);
free(r);
if(err != nil){
respond(x, &fc, err);
break;
}
fc.count = x->fcall.count;
respond(x, &fc, nil);
break;
case QWerrors:
w = errorwinforwin(w);
t = &w->body;
goto BodyTag;
case QWbody:
case QWwrsel:
t = &w->body;
goto BodyTag;
case QWctl:
xfidctlwrite(x, w);
break;
case QWdata:
a = w->addr;
t = &w->body;
wincommit(w, t);
if(a.q0>t->file->b.nc || a.q1>t->file->b.nc){
respond(x, &fc, Eaddr);
break;
}
r = runemalloc(x->fcall.count);
cvttorunes(x->fcall.data, x->fcall.count, r, &nb, &nr, nil);
if(w->nomark == FALSE){
seq++;
filemark(t->file);
}
q0 = a.q0;
if(a.q1 > q0){
textdelete(t, q0, a.q1, TRUE);
w->addr.q1 = q0;
}
tq0 = t->q0;
tq1 = t->q1;
textinsert(t, q0, r, nr, TRUE);
if(tq0 >= q0)
tq0 += nr;
if(tq1 >= q0)
tq1 += nr;
textsetselect(t, tq0, tq1);
if(!t->w->noscroll)
textshow(t, q0, q0+nr, 0);
textscrdraw(t);
winsettag(w);
free(r);
w->addr.q0 += nr;
w->addr.q1 = w->addr.q0;
fc.count = x->fcall.count;
respond(x, &fc, nil);
break;
case QWevent:
xfideventwrite(x, w);
break;
case QWtag:
t = &w->tag;
goto BodyTag;
BodyTag:
q = x->f->nrpart;
cnt = x->fcall.count;
if(q > 0){
memmove(x->fcall.data+q, x->fcall.data, cnt); /* there's room; see fsysproc */
memmove(x->fcall.data, x->f->rpart, q);
cnt += q;
x->f->nrpart = 0;
}
r = runemalloc(cnt);
cvttorunes(x->fcall.data, cnt-UTFmax, r, &nb, &nr, nil);
/* approach end of buffer */
while(fullrune(x->fcall.data+nb, cnt-nb)){
c = nb;
nb += chartorune(&r[nr], x->fcall.data+c);
if(r[nr])
nr++;
}
if(nb < cnt){
memmove(x->f->rpart, x->fcall.data+nb, cnt-nb);
x->f->nrpart = cnt-nb;
}
if(nr > 0){
wincommit(w, t);
if(qid == QWwrsel){
q0 = w->wrselrange.q1;
if(q0 > t->file->b.nc)
q0 = t->file->b.nc;
}else
q0 = t->file->b.nc;
if(qid == QWtag)
textinsert(t, q0, r, nr, TRUE);
else{
if(w->nomark == FALSE){
seq++;
filemark(t->file);
}
q0 = textbsinsert(t, q0, r, nr, TRUE, &nr);
textsetselect(t, t->q0, t->q1); /* insert could leave it somewhere else */
if(qid!=QWwrsel && !t->w->noscroll)
textshow(t, q0+nr, q0+nr, 1);
textscrdraw(t);
}
winsettag(w);
if(qid == QWwrsel)
w->wrselrange.q1 += nr;
free(r);
}
fc.count = x->fcall.count;
respond(x, &fc, nil);
break;
default:
sprint(buf, "unknown qid %d in write", qid);
respond(x, &fc, buf);
break;
}
if(w)
winunlock(w);
}
void
xfidclose(Xfid *x)
{
Fcall fc;
Window *w;
int q;
Text *t;
w = x->f->w;
x->f->busy = FALSE;
x->f->w = nil;
if(x->f->open == FALSE){
if(w != nil)
winclose(w);
respond(x, &fc, nil);
return;
}
q = FILE(x->f->qid);
x->f->open = FALSE;
if(w){
winlock(w, 'E');
switch(q){
case QWctl:
if(w->ctlfid!=~0 && w->ctlfid==x->f->fid){
w->ctlfid = ~0;
qunlock(&w->ctllock);
}
break;
case QWdata:
case QWxdata:
w->nomark = FALSE;
/* fall through */
case QWaddr:
case QWevent: /* BUG: do we need to shut down Xfid? */
if(--w->nopen[q] == 0){
if(q == QWdata || q == QWxdata)
w->nomark = FALSE;
if(q==QWevent && !w->isdir && w->col!=nil){
w->filemenu = TRUE;
winsettag(w);
}
if(q == QWevent){
free(w->dumpstr);
free(w->dumpdir);
w->dumpstr = nil;
w->dumpdir = nil;
}
}
break;
case QWrdsel:
close(w->rdselfd);
w->rdselfd = 0;
break;
case QWwrsel:
w->nomark = FALSE;
t = &w->body;
/* before: only did this if !w->noscroll, but that didn't seem right in practice */
textshow(t, min(w->wrselrange.q0, t->file->b.nc),
min(w->wrselrange.q1, t->file->b.nc), 1);
textscrdraw(t);
break;
case QWeditout:
qunlock(&w->editoutlk);
break;
}
winunlock(w);
winclose(w);
}
else{
switch(q){
case Qeditout:
qunlock(&editoutlk);
break;
}
}
respond(x, &fc, nil);
}