Point
_frdraw(Frame *f, Point pt)
{
Frbox *b;
int nb, n;
for(b=f->box,nb=0; nb<f->nbox; nb++, b++) {
_frcklinewrap0(f, &pt, b);
if(pt.y == f->r.max.y) {
f->nchars -= _frstrlen(f, nb);
_frdelbox(f, nb, f->nbox-1);
break;
}
if(b->nrune > 0) {
n = _frcanfit(f, pt, b);
if(n == 0)
drawerror(f->display, "_frcanfit==0");
if(n != b->nrune) {
_frsplitbox(f, nb, n);
b = &f->box[nb];
}
pt.x += b->wid;
} else {
if(b->bc == '\n') {
pt.x = f->r.min.x;
pt.y+=f->font->height;
} else
pt.x += _frnewwid(f, pt, b);
}
}
return pt;
}
void
frclear(Frame *f)
{
if(f->nbox)
_frdelbox(f, 0, f->nbox-1);
if(f->box)
free(f->box);
f->box = 0;
}
void
_frmergebox(Frame *f, int bn) /* merge bn and bn+1 */
{
Frbox *b;
b = &f->box[bn];
_frinsure(f, bn, NBYTE(&b[0])+NBYTE(&b[1])+1);
strcpy((char*)runeindex(b[0].a.ptr, b[0].nrune), (char*)b[1].a.ptr);
b[0].wid += b[1].wid;
b[0].nrune += b[1].nrune;
_frdelbox(f, bn+1, bn+1);
}
void
frclear(Frame *f, int freeall)
{
if(f->nbox)
_frdelbox(f, 0, f->nbox-1);
if(f->box)
free(f->box);
if(freeall){
freeimage(f->tick);
freeimage(f->tickback);
f->tick = 0;
f->tickback = 0;
}
f->box = 0;
f->ticked = 0;
}
