@gplx.Internal protected void Focus(GfuiElem cur, boolean fwd) {
List_adp allElemsInOwnerWin = List_adp_.new_(); AddSubs(cur.OwnerWin(), allElemsInOwnerWin);
int curIdx = allElemsInOwnerWin.Idx_of(cur);
GfuiElem target = cur;
while (true) { // find next visible elem
int cycle = TabBox_.Cycle(fwd, curIdx, allElemsInOwnerWin.Count());
target = GfuiElem_.cast_(allElemsInOwnerWin.Get_at(cycle));
if (target.Visible()) break;
if (cycle == curIdx) break; // either (a) one elem in allElemsInOwnerWin or (b) n elems, and cycled back to start; break, else infinite loop
curIdx = cycle;
}
target.Focus();
}
public Object Invk(GfsCtx ctx, int ikey, String k, GfoMsg m) {
if (ctx.Match(k, Invk_FocusNext)) Focus(GfuiElem_.cast_(ctx.MsgSrc()), true);
else if (ctx.Match(k, Invk_FocusPrev)) Focus(GfuiElem_.cast_(ctx.MsgSrc()), false);
else return GfoInvkAble_.Rv_unhandled;
return this;
} public static final String Invk_FocusNext = "FocusNext", Invk_FocusPrev = "FocusPrev";
public void Inject(Object owner) {
GfuiElem elem = GfuiElem_.cast_(owner);
IptBnd_.cmd_to_(IptCfg_.Null, elem, this, Invk_FocusNext, IptKey_.Down);
IptBnd_.cmd_to_(IptCfg_.Null, elem, this, Invk_FocusPrev, IptKey_.Up);
}