ref: f0f2d452c873255dec4b3359b3f93e349be0f2c5
dir: /sys/src/cmd/acme/rows.c/
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <cursor.h>
#include <mouse.h>
#include <keyboard.h>
#include <frame.h>
#include <fcall.h>
#include <bio.h>
#include <plumb.h>
#include "dat.h"
#include "fns.h"
void
rowinit(Row *row, Rectangle r)
{
Rectangle r1;
Text *t;
draw(screen, r, display->white, nil, ZP);
row->r = r;
row->col = nil;
row->ncol = 0;
r1 = r;
r1.max.y = r1.min.y + font->height;
t = &row->tag;
textinit(t, fileaddtext(nil, t), r1, rfget(FALSE, FALSE, FALSE, nil), tagcols);
t->what = Rowtag;
t->row = row;
t->w = nil;
t->col = nil;
r1.min.y = r1.max.y;
r1.max.y += Border;
draw(screen, r1, display->black, nil, ZP);
textinsert(t, 0, L"Newcol Kill Putall Dump Exit ", 29, TRUE);
textsetselect(t, t->file->nc, t->file->nc);
}
Column*
rowadd(Row *row, Column *c, int x)
{
Rectangle r, r1;
Column *d;
int i;
d = nil;
r = row->r;
r.min.y = row->tag.r.max.y+Border;
if(x<r.min.x && row->ncol>0){ /*steal 40% of last column by default */
d = row->col[row->ncol-1];
x = d->r.min.x + 3*Dx(d->r)/5;
}
/* look for column we'll land on */
for(i=0; i<row->ncol; i++){
d = row->col[i];
if(x < d->r.max.x)
break;
}
if(row->ncol > 0){
if(i < row->ncol)
i++; /* new column will go after d */
r = d->r;
if(Dx(r) < 100)
return nil;
draw(screen, r, display->white, nil, ZP);
r1 = r;
r1.max.x = min(x, r.max.x-50);
if(Dx(r1) < 50)
r1.max.x = r1.min.x+50;
colresize(d, r1);
r1.min.x = r1.max.x;
r1.max.x = r1.min.x+Border;
draw(screen, r1, display->black, nil, ZP);
r.min.x = r1.max.x;
}
if(c == nil){
c = emalloc(sizeof(Column));
colinit(c, r);
incref(&reffont);
}else
colresize(c, r);
c->row = row;
c->tag.row = row;
row->col = realloc(row->col, (row->ncol+1)*sizeof(Column*));
memmove(row->col+i+1, row->col+i, (row->ncol-i)*sizeof(Column*));
row->col[i] = c;
row->ncol++;
clearmouse();
return c;
}
void
rowresize(Row *row, Rectangle r)
{
int i, dx, odx;
Rectangle r1, r2;
Column *c;
dx = Dx(r);
odx = Dx(row->r);
row->r = r;
r1 = r;
r1.max.y = r1.min.y + font->height;
textresize(&row->tag, r1, TRUE);
r1.min.y = r1.max.y;
r1.max.y += Border;
draw(screen, r1, display->black, nil, ZP);
r.min.y = r1.max.y;
r1 = r;
r1.max.x = r1.min.x;
for(i=0; i<row->ncol; i++){
c = row->col[i];
r1.min.x = r1.max.x;
if(i == row->ncol-1)
r1.max.x = r.max.x;
else
r1.max.x = r1.min.x+Dx(c->r)*dx/odx;
if(i > 0){
r2 = r1;
r2.max.x = r2.min.x+Border;
draw(screen, r2, display->black, nil, ZP);
r1.min.x = r2.max.x;
}
colresize(c, r1);
}
}
void
rowdragcol(Row *row, Column *c, int)
{
Rectangle r;
int i, b, x;
Point p, op;
Column *d;
clearmouse();
setcursor(mousectl, &boxcursor);
b = mouse->buttons;
op = mouse->xy;
while(mouse->buttons == b)
readmouse(mousectl);
setcursor(mousectl, nil);
if(mouse->buttons){
while(mouse->buttons)
readmouse(mousectl);
return;
}
for(i=0; i<row->ncol; i++)
if(row->col[i] == c)
goto Found;
error("can't find column");
Found:
p = mouse->xy;
if((abs(p.x-op.x)<5 && abs(p.y-op.y)<5))
return;
if((i>0 && p.x<row->col[i-1]->r.min.x) || (i<row->ncol-1 && p.x>c->r.max.x)){
/* shuffle */
x = c->r.min.x;
rowclose(row, c, FALSE);
if(rowadd(row, c, p.x) == nil) /* whoops! */
if(rowadd(row, c, x) == nil) /* WHOOPS! */
if(rowadd(row, c, -1)==nil){ /* shit! */
rowclose(row, c, TRUE);
return;
}
colmousebut(c);
return;
}
if(i == 0)
return;
d = row->col[i-1];
if(p.x < d->r.min.x+80+Scrollwid)
p.x = d->r.min.x+80+Scrollwid;
if(p.x > c->r.max.x-80-Scrollwid)
p.x = c->r.max.x-80-Scrollwid;
r = d->r;
r.max.x = c->r.max.x;
draw(screen, r, display->white, nil, ZP);
r.max.x = p.x;
colresize(d, r);
r = c->r;
r.min.x = p.x;
r.max.x = r.min.x;
r.max.x += Border;
draw(screen, r, display->black, nil, ZP);
r.min.x = r.max.x;
r.max.x = c->r.max.x;
colresize(c, r);
colmousebut(c);
}
void
rowclose(Row *row, Column *c, int dofree)
{
Rectangle r;
int i;
for(i=0; i<row->ncol; i++)
if(row->col[i] == c)
goto Found;
error("can't find column");
Found:
r = c->r;
if(dofree)
colcloseall(c);
memmove(row->col+i, row->col+i+1, (row->ncol-i)*sizeof(Column*));
row->ncol--;
row->col = realloc(row->col, row->ncol*sizeof(Column*));
if(row->ncol == 0){
draw(screen, r, display->white, nil, ZP);
return;
}
if(i == row->ncol){ /* extend last column right */
c = row->col[i-1];
r.min.x = c->r.min.x;
r.max.x = row->r.max.x;
}else{ /* extend next window left */
c = row->col[i];
r.max.x = c->r.max.x;
}
draw(screen, r, display->white, nil, ZP);
colresize(c, r);
}
Column*
rowwhichcol(Row *row, Point p)
{
int i;
Column *c;
for(i=0; i<row->ncol; i++){
c = row->col[i];
if(ptinrect(p, c->r))
return c;
}
return nil;
}
Text*
rowwhich(Row *row, Point p)
{
Column *c;
if(ptinrect(p, row->tag.all))
return &row->tag;
c = rowwhichcol(row, p);
if(c)
return colwhich(c, p);
return nil;
}
Text*
rowtype(Row *row, Rune r, Point p)
{
Window *w;
Text *t;
clearmouse();
qlock(row);
if(bartflag)
t = barttext;
else
t = rowwhich(row, p);
if(t!=nil && !(t->what==Tag && ptinrect(p, t->scrollr))){
w = t->w;
if(w == nil)
texttype(t, r);
else{
winlock(w, 'K');
wintype(w, t, r);
winunlock(w);
}
}
qunlock(row);
return t;
}
int
rowclean(Row *row)
{
int clean;
int i;
clean = TRUE;
for(i=0; i<row->ncol; i++)
clean &= colclean(row->col[i]);
return clean;
}
void
rowdump(Row *row, char *file)
{
int i, j, fd, m, n, start, dumped;
uint q0, q1;
Biobuf *b;
char *buf, *a, *fontname;
Rune *r;
Column *c;
Window *w, *w1;
Text *t;
if(row->ncol == 0)
return;
buf = fbufalloc();
if(file == nil){
if(home == nil){
warning(nil, "can't find file for dump: $home not defined\n");
goto Rescue;
}
sprint(buf, "%s/acme.dump", home);
file = buf;
}
fd = create(file, OWRITE, 0600);
if(fd < 0){
warning(nil, "can't open %s: %r\n", file);
goto Rescue;
}
b = emalloc(sizeof(Biobuf));
Binit(b, fd, OWRITE);
r = fbufalloc();
Bprint(b, "%s\n", wdir);
Bprint(b, "%s\n", fontnames[0]);
Bprint(b, "%s\n", fontnames[1]);
for(i=0; i<row->ncol; i++){
c = row->col[i];
Bprint(b, "%11d", 100*(c->r.min.x-row->r.min.x)/Dx(row->r));
if(i == row->ncol-1)
Bputc(b, '\n');
else
Bputc(b, ' ');
}
for(i=0; i<row->ncol; i++){
c = row->col[i];
for(j=0; j<c->nw; j++)
c->w[j]->body.file->dumpid = 0;
}
for(i=0; i<row->ncol; i++){
c = row->col[i];
for(j=0; j<c->nw; j++){
w = c->w[j];
wincommit(w, &w->tag);
t = &w->body;
/* windows owned by others get special treatment */
if(w->nopen[QWevent] > 0)
if(w->dumpstr == nil)
continue;
/* zeroxes of external windows are tossed */
if(t->file->ntext > 1)
for(n=0; n<t->file->ntext; n++){
w1 = t->file->text[n]->w;
if(w == w1)
continue;
if(w1->nopen[QWevent])
goto Continue2;
}
fontname = "";
if(t->reffont->f != font)
fontname = t->reffont->f->name;
if(t->file->nname)
a = runetobyte(t->file->name, t->file->nname);
else
a = emalloc(1);
if(t->file->dumpid){
dumped = FALSE;
Bprint(b, "x%11d %11d %11d %11d %11d %s\n", i, t->file->dumpid,
w->body.q0, w->body.q1,
100*(w->r.min.y-c->r.min.y)/Dy(c->r),
fontname);
}else if(w->dumpstr){
dumped = FALSE;
Bprint(b, "e%11d %11d %11d %11d %11d %s\n", i, t->file->dumpid,
0, 0,
100*(w->r.min.y-c->r.min.y)/Dy(c->r),
fontname);
}else if((w->dirty==FALSE && access(a, 0)==0) || w->isdir){
dumped = FALSE;
t->file->dumpid = w->id;
Bprint(b, "f%11d %11d %11d %11d %11d %s\n", i, w->id,
w->body.q0, w->body.q1,
100*(w->r.min.y-c->r.min.y)/Dy(c->r),
fontname);
}else{
dumped = TRUE;
t->file->dumpid = w->id;
Bprint(b, "F%11d %11d %11d %11d %11d %11d %s\n", i, j,
w->body.q0, w->body.q1,
100*(w->r.min.y-c->r.min.y)/Dy(c->r),
w->body.file->nc, fontname);
}
free(a);
winctlprint(w, buf, 0);
Bwrite(b, buf, strlen(buf));
m = min(RBUFSIZE, w->tag.file->nc);
bufread(w->tag.file, 0, r, m);
n = 0;
while(n<m) {
start = n;
while(n<m && r[n]!='\n')
n++;
Bprint(b, "%.*S", n-start, r+start);
if(n<m) {
Bputc(b, 0xff); // \n in tag becomes 0xff byte (invalid UTF)
n++;
}
}
Bprint(b, "\n");
if(dumped){
q0 = 0;
q1 = t->file->nc;
while(q0 < q1){
n = q1 - q0;
if(n > BUFSIZE/UTFmax)
n = BUFSIZE/UTFmax;
bufread(t->file, q0, r, n);
Bprint(b, "%.*S", n, r);
q0 += n;
}
}
if(w->dumpstr){
if(w->dumpdir)
Bprint(b, "%s\n%s\n", w->dumpdir, w->dumpstr);
else
Bprint(b, "\n%s\n", w->dumpstr);
}
Continue2:;
}
}
Bterm(b);
close(fd);
free(b);
fbuffree(r);
Rescue:
fbuffree(buf);
}
static
char*
rdline(Biobuf *b, int *linep)
{
char *l;
l = Brdline(b, '\n');
if(l)
(*linep)++;
return l;
}
/*
* Get font names from load file so we don't load fonts we won't use
*/
void
rowloadfonts(char *file)
{
int i;
Biobuf *b;
char *l;
b = Bopen(file, OREAD);
if(b == nil)
return;
/* current directory */
l = Brdline(b, '\n');
if(l == nil)
goto Return;
/* global fonts */
for(i=0; i<2; i++){
l = Brdline(b, '\n');
if(l == nil)
goto Return;
l[Blinelen(b)-1] = 0;
if(*l && strcmp(l, fontnames[i])!=0){
free(fontnames[i]);
fontnames[i] = estrdup(l);
}
}
Return:
Bterm(b);
}
int
rowload(Row *row, char *file, int initing)
{
int i, j, line, percent, y, nr, nfontr, n, ns, ndumped, dumpid, x, fd;
Biobuf *b, *bout;
char *buf, *l, *t, *fontname;
Rune *r, rune, *fontr;
Column *c, *c1, *c2;
uint q0, q1;
Rectangle r1, r2;
Window *w;
buf = fbufalloc();
if(file == nil){
if(home == nil){
warning(nil, "can't find file for load: $home not defined\n");
goto Rescue1;
}
sprint(buf, "%s/acme.dump", home);
file = buf;
}
b = Bopen(file, OREAD);
if(b == nil){
warning(nil, "can't open load file %s: %r\n", file);
goto Rescue1;
}
/* current directory */
line = 0;
l = rdline(b, &line);
if(l == nil)
goto Rescue2;
l[Blinelen(b)-1] = 0;
if(chdir(l) < 0){
warning(nil, "can't chdir %s\n", l);
goto Rescue2;
}
/* global fonts */
for(i=0; i<2; i++){
l = rdline(b, &line);
if(l == nil)
goto Rescue2;
l[Blinelen(b)-1] = 0;
if(*l && strcmp(l, fontnames[i])!=0)
rfget(i, TRUE, i==0 && initing, l);
}
if(initing && row->ncol==0)
rowinit(row, screen->clipr);
l = rdline(b, &line);
if(l == nil)
goto Rescue2;
j = Blinelen(b)/12;
if(j<=0 || j>10)
goto Rescue2;
for(i=0; i<j; i++){
percent = atoi(l+i*12);
if(percent<0 || percent>=100)
goto Rescue2;
x = row->r.min.x+percent*Dx(row->r)/100;
if(i < row->ncol){
if(i == 0)
continue;
c1 = row->col[i-1];
c2 = row->col[i];
r1 = c1->r;
r2 = c2->r;
r1.max.x = x;
r2.min.x = x+Border;
if(Dx(r1) < 50 || Dx(r2) < 50)
continue;
draw(screen, Rpt(r1.min, r2.max), display->white, nil, ZP);
colresize(c1, r1);
colresize(c2, r2);
r2.min.x = x;
r2.max.x = x+Border;
draw(screen, r2, display->black, nil, ZP);
}
if(i >= row->ncol)
rowadd(row, nil, x);
}
for(;;){
l = rdline(b, &line);
if(l == nil)
break;
dumpid = 0;
switch(l[0]){
case 'e':
if(Blinelen(b) < 1+5*12+1)
goto Rescue2;
l = rdline(b, &line); /* ctl line; ignored */
if(l == nil)
goto Rescue2;
l = rdline(b, &line); /* directory */
if(l == nil)
goto Rescue2;
l[Blinelen(b)-1] = 0;
if(*l == '\0'){
if(home == nil)
r = bytetorune("./", &nr);
else{
t = emalloc(strlen(home)+1+1);
sprint(t, "%s/", home);
r = bytetorune(t, &nr);
free(t);
}
}else
r = bytetorune(l, &nr);
l = rdline(b, &line); /* command */
if(l == nil)
goto Rescue2;
t = emalloc(Blinelen(b)+1);
memmove(t, l, Blinelen(b));
run(nil, t, r, nr, TRUE, nil, nil, FALSE);
/* r is freed in run() */
continue;
case 'f':
if(Blinelen(b) < 1+5*12+1)
goto Rescue2;
fontname = l+1+5*12;
ndumped = -1;
break;
case 'F':
if(Blinelen(b) < 1+6*12+1)
goto Rescue2;
fontname = l+1+6*12;
ndumped = atoi(l+1+5*12+1);
break;
case 'x':
if(Blinelen(b) < 1+5*12+1)
goto Rescue2;
fontname = l+1+5*12;
ndumped = -1;
dumpid = atoi(l+1+1*12);
break;
default:
goto Rescue2;
}
l[Blinelen(b)-1] = 0;
fontr = nil;
nfontr = 0;
if(*fontname)
fontr = bytetorune(fontname, &nfontr);
i = atoi(l+1+0*12);
j = atoi(l+1+1*12);
q0 = atoi(l+1+2*12);
q1 = atoi(l+1+3*12);
percent = atoi(l+1+4*12);
if(i<0 || i>10)
goto Rescue2;
if(i > row->ncol)
i = row->ncol;
c = row->col[i];
y = c->r.min.y+(percent*Dy(c->r))/100;
if(y<c->r.min.y || y>=c->r.max.y)
y = -1;
if(dumpid == 0)
w = coladd(c, nil, nil, y);
else
w = coladd(c, nil, lookid(dumpid, TRUE), y);
if(w == nil)
continue;
w->dumpid = j;
l = rdline(b, &line);
if(l == nil)
goto Rescue2;
l[Blinelen(b)-1] = 0;
/* convert 0xff in multiline tag back to \n */
for(i=0; l[i]!=0; i++)
if((uchar)l[i] == 0xff)
l[i] = '\n';
r = bytetorune(l+5*12, &nr);
ns = -1;
for(n=0; n<nr; n++){
if(r[n] == '/')
ns = n;
if(r[n] == ' ')
break;
}
if(dumpid == 0)
winsetname(w, r, n);
for(; n<nr; n++)
if(r[n] == '|')
break;
wincleartag(w);
textinsert(&w->tag, w->tag.file->nc, r+n+1, nr-(n+1), TRUE);
if(ndumped >= 0){
/* simplest thing is to put it in a file and load that */
sprint(buf, "/tmp/d%d.%.4sacme", getpid(), user);
fd = create(buf, OWRITE|ORCLOSE, 0600);
if(fd < 0){
free(r);
warning(nil, "can't create temp file: %r\n");
goto Rescue2;
}
bout = emalloc(sizeof(Biobuf));
Binit(bout, fd, OWRITE);
for(n=0; n<ndumped; n++){
rune = Bgetrune(b);
if(rune == '\n')
line++;
if(rune == (Rune)Beof){
free(r);
Bterm(bout);
free(bout);
close(fd);
goto Rescue2;
}
Bputrune(bout, rune);
}
Bterm(bout);
free(bout);
textload(&w->body, 0, buf, 1);
close(fd);
w->body.file->mod = TRUE;
for(n=0; n<w->body.file->ntext; n++)
w->body.file->text[n]->w->dirty = TRUE;
winsettag(w);
}else if(dumpid==0 && r[ns+1]!='+' && r[ns+1]!='-')
get(&w->body, nil, nil, FALSE, XXX, nil, 0);
if(fontr){
fontx(&w->body, nil, nil, 0, 0, fontr, nfontr);
free(fontr);
}
free(r);
if(q0>w->body.file->nc || q1>w->body.file->nc || q0>q1)
q0 = q1 = 0;
textshow(&w->body, q0, q1, 1);
w->maxlines = min(w->body.nlines, max(w->maxlines, w->body.maxlines));
xfidlog(w, "new");
}
Bterm(b);
fbuffree(buf);
return TRUE;
Rescue2:
warning(nil, "bad load file %s:%d\n", file, line);
Bterm(b);
Rescue1:
fbuffree(buf);
return FALSE;
}
void
allwindows(void (*f)(Window*, void*), void *arg)
{
int i, j;
Column *c;
for(i=0; i<row.ncol; i++){
c = row.col[i];
for(j=0; j<c->nw; j++)
(*f)(c->w[j], arg);
}
}