void
duplicate(Flayer *l, Rectangle r, XftFont *f, int close)
{
Text *t=(Text *)l->user1;
Flayer *nl = findl(t);
Rune *rp;
ulong n;
if(nl){
flnew(nl, stgettext, l->user0, (char *)t);
flinit(nl, r, f);
nl->origin = l->origin;
rp = (*l->textfn)(l, l->f.nchars, &n);
flinsert(nl, rp, rp+n, l->origin);
flsetselect(nl, l->p0, l->p1);
if(close){
flclose(l);
if(l==which)
which = 0;
}else
t->nwin++;
current(nl);
hcheck(t->tag);
}
cursorswitch(cursor);
}
void
reshape(void){
int i;
flreshape(screen.clipr);
for(i = 0; i<nname; i++)
if(text[i])
hcheck(text[i]->tag);
}
int sol(int y, int x)
{
int s, c;
if (y < 0 || x < 0 || y >= m || x >= n)
return 0;
c = a[y][x];
for (s = 1; (y - s) >= 0 && (x - s) >= 0 && (y + s) < m && (x + s) < n; s++) {
if (hcheck(y - s, x - s, 2 * s + 1, c) ||
hcheck(y + s, x - s, 2 * s + 1, c) ||
vcheck(y - s, x - s, 2 * s + 1, c) ||
vcheck(y - s, x + s, 2 * s + 1, c))
break;
}
return 2 * s - 1;
}
int open_connection(const char *hostname, int port)
{
struct hostent *he;
struct sockaddr_in addr;
int sock;
int yes = 1;
int flags;
hcheck(NULL != (he = gethostbyname(hostname)));
check(0 <= (sock = socket(AF_INET,SOCK_STREAM,0)));
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr = *((struct in_addr*)he->h_addr);
memset(&addr.sin_zero,0,8);
check(0 == connect(sock,(struct sockaddr*)&addr,sizeof(struct sockaddr)));
check(-1 != (flags = fcntl(sock,F_GETFL)));
check(0 == fcntl(sock,F_SETFL,flags|O_NONBLOCK));
check(0 == setsockopt(sock,IPPROTO_TCP,TCP_NODELAY,&yes,sizeof(int)));
return sock;
}
void
cut(Text *t, int w, int save, int check)
{
long p0, p1;
Flayer *l;
l = &t->l[w];
p0 = l->p0;
p1 = l->p1;
if(p0 == p1)
return;
if(p0 < 0)
panic("cut");
if(save)
snarf(t, w);
outTsll(Tcut, t->tag, p0, p1);
flsetselect(l, p0, p0);
t->lock++;
hcut(t->tag, p0, p1-p0);
if(check)
hcheck(t->tag);
}
void
type(Flayer *l, int res) /* what a bloody mess this is */
{
Text *t = (Text *)l->user1;
Rune buf[100];
Rune *p = buf;
int c, backspacing;
long a;
int scrollkey, upkey;
scrollkey = 0;
upkey = 0;
if(res == RKeyboard) {
scrollkey = qpeekc()==SCROLLKEY; /* ICK */
upkey = qpeekc() == UPKEY;
}
if(lock || t->lock){
kbdblock();
return;
}
a = l->p0;
if(a!=l->p1 && !scrollkey && !upkey){
flushtyping(1);
cut(t, t->front, 1, 1);
return; /* it may now be locked */
}
backspacing = 0;
while((c = kbdchar())>0){
if(res == RKeyboard){
if(c == UPKEY || c==SCROLLKEY || c==ESC)
break;
/* backspace, ctrl-u, ctrl-w, del, ctrl-x */
if(c=='\b' || c==0x15 || c==0x17 || c==0x7F || c==0x18){
backspacing = 1;
break;
}
}
*p++ = c;
if(c == '\n' || p >= buf+sizeof(buf)/sizeof(buf[0]))
break;
}
if(p > buf){
if(typestart < 0)
typestart = a;
if(typeesc < 0)
typeesc = a;
hgrow(t->tag, a, p-buf, 0);
t->lock++; /* pretend we Trequest'ed for hdatarune*/
hdatarune(t->tag, a, buf, p-buf);
a += p-buf;
l->p0 = a;
l->p1 = a;
typeend = a;
if(c=='\n' || typeend-typestart>100)
flushtyping(0);
onethird(l, a);
}
if(c == SCROLLKEY){
flushtyping(0);
center(l, l->origin+l->f.nchars+1);
} else if (c == UPKEY) {
flushtyping(0);
outTsll(Torigin, t->tag, l->origin, l->f.maxlines+1);
/* backspacing immediately after outcmd(): sorry */
}else if(backspacing && !lock){
if(l->f.p0>0 && a>0){
switch(c){
case '\b':
case 0x7F: /* del */
l->p0 = a-1;
break;
case 0x18: /* ctrl-x */
case 0x15: /* ctrl-u */
l->p0 = ctlu(&t->rasp, l->origin, a);
break;
case 0x17: /* ctrl-w */
l->p0 = ctlw(&t->rasp, l->origin, a);
break;
}
l->p1 = a;
if(l->p1 != l->p0){
/* cut locally if possible */
if(typestart<=l->p0 && l->p1<=typeend){
t->lock++; /* to call hcut */
hcut(t->tag, l->p0, l->p1-l->p0);
/* hcheck is local because we know rasp is contiguous */
hcheck(t->tag);
}else{
flushtyping(0);
cut(t, t->front, 0, 1);
}
}
if(typeesc >= l->p0)
typeesc = l->p0;
if(typestart >= 0){
if(typestart >= l->p0)
typestart = l->p0;
typeend = l->p0;
if(typestart == typeend){
typestart = -1;
typeend = -1;
modified = 0;
}
}
}
}else{
if(c==ESC && typeesc>=0){
l->p0 = typeesc;
l->p1 = a;
flushtyping(1);
}
for(l=t->l; l<&t->l[NL]; l++)
if(l->textfn)
flsetselect(l, l->p0, l->p1);
}
}
void
type(Flayer *l, int res) /* what a bloody mess this is */
{
Text *t = (Text *)l->user1;
Rune buf[100];
Rune *p = buf;
int c, backspacing;
int32_t a, a0;
int scrollkey;
scrollkey = 0;
if(res == RKeyboard)
scrollkey = nontypingkey(qpeekc()); /* ICK */
if(hostlock || t->lock){
kbdblock();
return;
}
a = l->p0;
if(a!=l->p1 && !scrollkey){
flushtyping(1);
cut(t, t->front, 1, 1);
return; /* it may now be locked */
}
backspacing = 0;
while((c = kbdchar())>0){
if(res == RKeyboard){
if(nontypingkey(c) || c==ESC)
break;
/* backspace, ctrl-u, ctrl-w, del */
if(c=='\b' || c==0x15 || c==0x17 || c==0x7F){
backspacing = 1;
break;
}
}
*p++ = c;
if(autoindent)
if(c == '\n'){
/* autoindent */
int cursor, ch;
cursor = ctlu(&t->rasp, 0, a+(p-buf)-1);
while(p < buf+nelem(buf)){
ch = raspc(&t->rasp, cursor++);
if(ch == ' ' || ch == '\t')
*p++ = ch;
else
break;
}
}
if(c == '\n' || p >= buf+sizeof(buf)/sizeof(buf[0]))
break;
}
if(p > buf){
if(typestart < 0)
typestart = a;
if(typeesc < 0)
typeesc = a;
hgrow(t->tag, a, p-buf, 0);
t->lock++; /* pretend we Trequest'ed for hdatarune*/
hdatarune(t->tag, a, buf, p-buf);
a += p-buf;
l->p0 = a;
l->p1 = a;
typeend = a;
if(c=='\n' || typeend-typestart>100)
flushtyping(0);
onethird(l, a);
}
if(c==SCROLLKEY || c==PAGEDOWN){
flushtyping(0);
center(l, l->origin+l->f.nchars+1);
/* backspacing immediately after outcmd(): sorry */
}else if(c==BACKSCROLLKEY || c==PAGEUP){
flushtyping(0);
a0 = l->origin-l->f.nchars;
if(a0 < 0)
a0 = 0;
center(l, a0);
}else if(c == RIGHTARROW){
flushtyping(0);
a0 = l->p0;
if(a0 < t->rasp.nrunes)
a0++;
flsetselect(l, a0, a0);
center(l, a0);
}else if(c == LEFTARROW){
flushtyping(0);
a0 = l->p0;
if(a0 > 0)
a0--;
flsetselect(l, a0, a0);
center(l, a0);
}else if(c == HOMEKEY){
flushtyping(0);
center(l, 0);
}else if(c == ENDKEY){
flushtyping(0);
center(l, t->rasp.nrunes);
}else if(c == LINESTART || c == LINEEND){
flushtyping(1);
if(c == LINESTART)
while(a > 0 && raspc(&t->rasp, a-1)!='\n')
a--;
else
while(a < t->rasp.nrunes && raspc(&t->rasp, a)!='\n')
a++;
l->p0 = l->p1 = a;
for(l=t->l; l<&t->l[NL]; l++)
if(l->textfn)
flsetselect(l, l->p0, l->p1);
}else if(backspacing && !hostlock){
/* backspacing immediately after outcmd(): sorry */
if(l->f.p0>0 && a>0){
switch(c){
case '\b':
case 0x7F: /* del */
l->p0 = a-1;
break;
case 0x15: /* ctrl-u */
l->p0 = ctlu(&t->rasp, l->origin, a);
break;
case 0x17: /* ctrl-w */
l->p0 = ctlw(&t->rasp, l->origin, a);
break;
}
l->p1 = a;
if(l->p1 != l->p0){
/* cut locally if possible */
if(typestart<=l->p0 && l->p1<=typeend){
t->lock++; /* to call hcut */
hcut(t->tag, l->p0, l->p1-l->p0);
/* hcheck is local because we know rasp is contiguous */
hcheck(t->tag);
}else{
flushtyping(0);
cut(t, t->front, 0, 1);
}
}
if(typeesc >= l->p0)
typeesc = l->p0;
if(typestart >= 0){
if(typestart >= l->p0)
typestart = l->p0;
typeend = l->p0;
if(typestart == typeend){
typestart = -1;
typeend = -1;
modified = 0;
}
}
}
}else{
if(c==ESC && typeesc>=0){
l->p0 = typeesc;
l->p1 = a;
flushtyping(1);
}
for(l=t->l; l<&t->l[NL]; l++)
if(l->textfn)
flsetselect(l, l->p0, l->p1);
}
}
void
type(Flayer *l, int res) /* what a bloody mess this is */
{
Text *t = (Text *)l->user1;
Rune buf[100];
Rune *p = buf;
int c, backspacing;
// long a, a0, a2, ao;
long a, a0;
int scrollkey;
scrollkey = 0;
if(res == RKeyboard)
scrollkey = nontypingkey(qpeekc()); /* ICK */
if(hostlock || t->lock){
kbdblock();
return;
}
a = l->p0;
if(a!=l->p1 && !scrollkey){
flushtyping(1);
cut(t, t->front, 1, 1);
return; /* it may now be locked */
}
backspacing = 0;
while((c = kbdchar())>0){
if(res == RKeyboard){
if(nontypingkey(c) || c==ESC)
break;
/* backspace, ctrl-u, ctrl-w, del */
//if(c=='\b' || c==0x15 || c==0x17 || c==0x7F){
if(c=='\b' || c==0x06 || c==0x17 || c==0x7F || c==0x11){
backspacing = 1;
break;
}
}
//*p++ = c;
if(spacesindent && c == '\t'){
int i, col, n;
col = getcol(&t->rasp, a);
n = maxtab - col % maxtab;
for(i = 0; i < n && p < buf+nelem(buf); i++)
*p++ = ' ';
} else
*p++ = c;
if(autoindent)
if(c == '\n'){
/* autoindent */
int cursor, ch;
cursor = ctlu(&t->rasp, 0, a+(p-buf)-1);
while(p < buf+nelem(buf)){
ch = raspc(&t->rasp, cursor++);
if(ch == ' ' || ch == '\t')
*p++ = ch;
else
break;
}
}
if(c == '\n' || p >= buf+nelem(buf))
break;
}
if(p > buf){
if(typestart < 0)
typestart = a;
if(typeesc < 0)
typeesc = a;
hgrow(t->tag, a, p-buf, 0);
t->lock++; /* pretend we Trequest'ed for hdatarune*/
hdatarune(t->tag, a, buf, p-buf);
a += p-buf;
l->p0 = a;
l->p1 = a;
typeend = a;
if(c=='\n' || typeend-typestart>100)
flushtyping(0);
onethird(l, a);
}
if(c==SCROLLKEY || c==PAGEDOWN){
flushtyping(0);
center(l, l->origin+l->f.nchars+1);
}else if(c==BACKSCROLLKEY || c==PAGEUP){
flushtyping(0);
a0 = l->origin-l->f.nchars;
if(a0 < 0)
a0 = 0;
center(l, a0);
}else if(c == RIGHTARROW){
flushtyping(0);
a0 = l->p0;
if(a0 < t->rasp.nrunes)
a0++;
flsetselect(l, a0, a0);
center(l, a0);
}else if(c == LEFTARROW){
flushtyping(0);
a0 = l->p0;
if(a0 > 0)
a0--;
flsetselect(l, a0, a0);
center(l, a0);
}else if(c == HOMEKEY){
flushtyping(0);
center(l, 0);
}else if(c == ENDKEY){
flushtyping(0);
center(l, t->rasp.nrunes);
}else if(c == LINESTART || c == LINEEND){
flushtyping(1);
if(c == LINESTART)
while(a > 0 && raspc(&t->rasp, a-1)!='\n')
a--;
else
while(a < t->rasp.nrunes && raspc(&t->rasp, a)!='\n')
a++;
l->p0 = l->p1 = a;
for(l=t->l; l<&t->l[NL]; l++)
if(l->textfn)
flsetselect(l, l->p0, l->p1);
}else if(backspacing && !hostlock){
/* backspacing immediately after outcmd(): sorry */
if(l->f.p0>0 && a>0){
switch(c){
case '\b':
case 0x7F: /* del */
//case 0x11: /* del */
//l->p0 = a-1;
l->p0 = del(&t->rasp, l->origin, a);
break;
case 0x15: /* ctrl-u */
//case 0x06: /* ctrl-f */
l->p0 = ctlu(&t->rasp, l->origin, a);
break;
case 0x17: /* ctrl-w */
l->p0 = ctlw(&t->rasp, l->origin, a);
break;
}
l->p1 = a;
if(l->p1 != l->p0){
/* cut locally if possible */
if(typestart<=l->p0 && l->p1<=typeend){
t->lock++; /* to call hcut */
hcut(t->tag, l->p0, l->p1-l->p0);
/* hcheck is local because we know rasp is contiguous */
hcheck(t->tag);
}else{
flushtyping(0);
cut(t, t->front, 0, 1);
}
}
if(typeesc >= l->p0)
typeesc = l->p0;
if(typestart >= 0){
if(typestart >= l->p0)
typestart = l->p0;
typeend = l->p0;
if(typestart == typeend){
typestart = -1;
typeend = -1;
modified = 0;
}
}
}
}else{
if(c==ESC && typeesc>=0){
l->p0 = typeesc;
l->p1 = a;
flushtyping(1);
}
// if(c==MID){
// flushtyping(1);
// a2 = a;
// while(a2 > 0 && raspc(&t->rasp, a2-1)!='\n')
// a2--;
// if(a2!=t->rasp.nrunes){
// a2--;
// }
// flushtyping(0);
// flsetselect(l, a, a);
// outTsll(Torigin, t->tag, a2, 1L);
// }
// if(c==CWIN){
// if (inCMD==0) {
// tp = t;
// t = &cmd;
// for(l=t->l; l->textfn==0; l++)
// ;
// current(l);
// flushtyping(0);
// a = t->rasp.nrunes;
// flsetselect(l, a, a);
// center(l, a);
// inCMD = 1;
// } else {
// for(l=tp->l; l->textfn==0; l++)
// ;
// current(l);
// flushtyping(0);
// inCMD = 0;
// }
// }
// if(c==GFO)
// sendcmd("<gfo", 4, t);
// if(c==GFU)
// sendcmd("<gfu", 4, t);
// if(c==GI)
// sendcmd("<gi", 3, t);
// if(c==GIE)
// sendcmd("<gie", 4, t);
// if(c==GIEI)
// sendcmd("<giei", 5, t);
// if(c==GP)
// sendcmd("<gp", 3, t);
// if(c==MK)
// sendcmd("!mk", 3, t);
// if(c==MCO)
// sendcmd("|mco", 4, t);
// if(c==MLI)
// sendcmd(",|mli", 5, t);
// if(c==MFU)
// sendcmd("<mfu", 4, t);
// if(c==UNDO)
// sendcmd("u", 1, t);
// if(c==REDO)
// sendcmd("u-1", 3, t);
// if(c==ALL)
// sendcmd(",", 1, t);
// if(c==MARK)
// sendcmd("k", 1, t);
// if(c==GO)
// sendcmd("'", 1, t);
// if(c==SEL)
// sendcmd("',.", 3, t);
// if(c==SAVE){
// for(l=t->l; l->textfn==0; l++)
// ;
// current(l);
// flushtyping(0);
// ao = l->p0;
// a = t->rasp.nrunes;
// flsetselect(l, a, a);
// if(raspc(&t->rasp, a-1)!='\n'){
// *p++ = '\n';
// if(typestart < 0)
// typestart = a;
// if(typeesc < 0)
// typeesc = a;
// hgrow(t->tag, a, p-buf, 0);
// t->lock++; /* pretend we Trequest'ed for hdatarune*/
// hdatarune(t->tag, a, buf, p-buf);
// a += p-buf;
// }
// l->p0 = ao;
// l->p1 = ao;
// typeend = ao;
// flushtyping(0);
// flsetselect(l, ao, ao);
// center(l, ao);
// sendcmd("w", 1, t);
// }
// if(c==FMT)
// sendcmd("|par", 4, t);
// if(c==FFMT)
// sendcmd(",|par", 5, t);
// if(c==WC)
// sendcmd(">wc", 3, t);
// if(c==MI)
// sendcmd("|a+", 3, t);
// if(c==LI)
// sendcmd("|a-", 3, t);
// if(c==RIOEXCH){
// snarf(t, t->front);
// outT0(Tstartsnarf);
// setlock();
// }
// if(c==PLUMB){
// if(hversion > 0)
// outTsll(Tplumb, t->tag, which->p0, which->p1);
// }
// if(c==LOOK){
// outTsll(Tlook, t->tag, which->p0, which->p1);
// setlock();
// }
// if(c==NEW){
// sweeptext(1, 0);
// }
// if(c==CLOSE){
// t=(Text *)l->user1;
// if (t->nwin>1)
// closeup(l);
// else if(t!=&cmd) {
// outTs(Tclose, t->tag);
// setlock();
// }
// }
for(l=t->l; l<&t->l[NL]; l++)
if(l->textfn)
flsetselect(l, l->p0, l->p1);
switch(c) {
case CUT:
flushtyping(0);
cut(t, t->front, 1, 1);
break;
case COPY:
flushtyping(0);
snarf(t, t->front);
break;
case PASTE:
flushtyping(0);
paste(t, t->front);
break;
}
}
}