|
|
|
@ -182,14 +182,41 @@ fprintf(stderr, "PPATH[%d]: %u %p COUNT: %u\n", idx, path[idx], nii->curry, nii-
|
|
|
|
|
return ret ? ret : nii->curry;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// move to the prior path, updating the path in-place, returning its curry.
|
|
|
|
|
// the prev is either:
|
|
|
|
|
// the item to the left, if the last path component is 0, or
|
|
|
|
|
// a drop from the rightmost non-zero path component, extended out to the right, or
|
|
|
|
|
// the current item
|
|
|
|
|
// so we can always just go to the last path component, act there, and possibly
|
|
|
|
|
// extend it out to the maximal topright.
|
|
|
|
|
void* nctree_prev(nctree* n){
|
|
|
|
|
void* ret = nctree_prior_recursive(&n->items.subs[n->currentpath[0]], n->currentpath, 0);
|
|
|
|
|
if(n->activerow > 0){
|
|
|
|
|
--n->activerow; // FIXME deduct size of previous?
|
|
|
|
|
nctree_int_item* nii = &n->items;
|
|
|
|
|
nctree_int_item* wedge = NULL; // tracks the rightmost non-zero path
|
|
|
|
|
int idx = 0;
|
|
|
|
|
while(n->currentpath[idx] != UINT_MAX){
|
|
|
|
|
nii = &nii->subs[n->currentpath[idx]];
|
|
|
|
|
if(idx == 0){
|
|
|
|
|
wedge = &n->items;
|
|
|
|
|
}else{// if(idx > 1){
|
|
|
|
|
wedge = &wedge->subs[n->currentpath[idx - 1]];
|
|
|
|
|
}
|
|
|
|
|
++idx;
|
|
|
|
|
}
|
|
|
|
|
nctree_redraw(n); // FIXME maybe require explicit redraws?
|
|
|
|
|
return ret;
|
|
|
|
|
if(n->currentpath[idx - 1]){
|
|
|
|
|
--n->currentpath[idx - 1];
|
|
|
|
|
nii = &wedge->subs[n->currentpath[idx - 1]];
|
|
|
|
|
while(nii->subcount){
|
|
|
|
|
n->currentpath[idx - 1] = nii->subcount - 1;
|
|
|
|
|
nii = &nii->subs[n->currentpath[idx - 1]];
|
|
|
|
|
++idx;
|
|
|
|
|
}
|
|
|
|
|
n->currentpath[idx] = UINT_MAX;
|
|
|
|
|
return nii->curry;
|
|
|
|
|
}
|
|
|
|
|
if(wedge == &n->items){
|
|
|
|
|
return nii->curry; // no change
|
|
|
|
|
}
|
|
|
|
|
n->currentpath[idx - 1] = UINT_MAX;
|
|
|
|
|
return wedge->curry;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// the next is either:
|
|
|
|
@ -209,6 +236,7 @@ void* nctree_next(nctree* n){
|
|
|
|
|
nii = &nii->subs[n->currentpath[idx]];
|
|
|
|
|
++idx;
|
|
|
|
|
}
|
|
|
|
|
// FIXME update n->activerow, redraw
|
|
|
|
|
if(nii->subcount){
|
|
|
|
|
n->currentpath[idx] = 0;
|
|
|
|
|
n->currentpath[idx + 1] = UINT_MAX;
|
|
|
|
|