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
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);
}
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, screen, r1);
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);
}
}
Window*
coladd(Column *c, Window *w, Window *clone, int y)
{
Rectangle r, r1;
Window *v;
int i, j, minht, ymax, buggered;
v = nil;
r = c->r;
r.min.y = c->tag.fr.r.max.y+Border;
if(y<r.min.y && c->nw>0){ /* steal half of last window by default */
v = c->w[c->nw-1];
y = v->body.fr.r.min.y+Dy(v->body.fr.r)/2;
}
/* look for window we'll land on */
for(i=0; i<c->nw; i++){
v = c->w[i];
if(y < v->r.max.y)
break;
}
buggered = 0;
if(c->nw > 0){
if(i < c->nw)
i++; /* new window will go after v */
/*
* if landing window (v) is too small, grow it first.
*/
minht = v->tag.fr.font->height+Border+1;
j = 0;
while(!c->safe || v->body.fr.maxlines<=3 || Dy(v->body.all) <= minht){
if(++j > 10){
buggered = 1; /* too many windows in column */
break;
}
colgrow(c, v, 1);
}
/*
* figure out where to split v to make room for w
*/
/* new window stops where next window begins */
if(i < c->nw)
ymax = c->w[i]->r.min.y-Border;
else
ymax = c->r.max.y;
/* new window must start after v's tag ends */
y = max(y, v->tagtop.max.y+Border);
/* new window must start early enough to end before ymax */
y = min(y, ymax - minht);
/* if y is too small, too many windows in column */
if(y < v->tagtop.max.y+Border)
buggered = 1;
/*
* resize & redraw v
*/
r = v->r;
r.max.y = ymax;
draw(screen, r, textcols[BACK], nil, ZP);
r1 = r;
y = min(y, ymax-(v->tag.fr.font->height*v->taglines+v->body.fr.font->height+Border+1));
r1.max.y = min(y, v->body.fr.r.min.y+v->body.fr.nlines*v->body.fr.font->height);
r1.min.y = winresize(v, r1, FALSE, FALSE);
r1.max.y = r1.min.y+Border;
draw(screen, r1, display->black, nil, ZP);
/*
* leave r with w's coordinates
*/
r.min.y = r1.max.y;
}
if(w == nil){
w = emalloc(sizeof(Window));
w->col = c;
draw(screen, r, textcols[BACK], nil, ZP);
wininit(w, clone, r);
}else{
w->col = c;
winresize(w, r, FALSE, TRUE);
}
w->tag.col = c;
w->tag.row = c->row;
w->body.col = c;
w->body.row = c->row;
c->w = realloc(c->w, (c->nw+1)*sizeof(Window*));
memmove(c->w+i+1, c->w+i, (c->nw-i)*sizeof(Window*));
c->nw++;
c->w[i] = w;
c->safe = TRUE;
/* if there were too many windows, redraw the whole column */
if(buggered)
colresize(c, c->r);
savemouse(w);
/* near the button, but in the body */
moveto(mousectl, addpt(w->tag.scrollr.max, Pt(3, 3)));
barttext = &w->body;
return w;
}
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:
if(i == 0)
return;
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;
}
d = row->col[i-1];
if(p.x < d->r.min.x+80+Scrollsize)
p.x = d->r.min.x+80+Scrollsize;
if(p.x > c->r.max.x-80-Scrollsize)
p.x = c->r.max.x-80-Scrollsize;
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);
}
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;
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(), getuser());
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));
}
Bterm(b);
fbuffree(buf);
return TRUE;
Rescue2:
warning(nil, "bad load file %s:%d\n", file, line);
Bterm(b);
Rescue1:
fbuffree(buf);
return FALSE;
}