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selector: always rotate options #302

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nick black 2020-01-30 23:05:30 -05:00
parent d30df23f43
commit 6a4cfcde95
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GPG Key ID: 5F43400C21CBFACC
1 changed files with 9 additions and 7 deletions
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16
src/lib/selector.c
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@ -234,7 +234,7 @@ char* ncselector_selected(const ncselector* n){
}
void ncselector_previtem(ncselector* n, char** newitem){
if(n->selected == n->startdisp && n->maxdisplay && n->maxdisplay < n->itemcount){
if(n->selected == n->startdisp){
if(n->startdisp-- == 0){
n->startdisp = n->itemcount - 1;
}
@ -250,14 +250,16 @@ void ncselector_previtem(ncselector* n, char** newitem){
}
void ncselector_nextitem(ncselector* n, char** newitem){
++n->selected;
if(n->maxdisplay && n->maxdisplay < n->itemcount){
if((n->startdisp + n->maxdisplay) % n->itemcount == (n->selected % n->itemcount)){
if(++n->startdisp == n->itemcount){
n->startdisp = 0;
}
unsigned lastdisp = n->startdisp;
lastdisp += n->maxdisplay && n->maxdisplay < n->itemcount ? n->maxdisplay : n->itemcount;
--lastdisp;
lastdisp %= n->itemcount;
if(lastdisp == n->selected){
if(++n->startdisp == n->itemcount){
n->startdisp = 0;
}
}
++n->selected;
if(n->selected == n->itemcount){
n->selected = 0;
}