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52 lines
2.5 KiB
Java
52 lines
2.5 KiB
Java
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx.gfui.controls.windows; import gplx.*; import gplx.gfui.*; import gplx.gfui.controls.*;
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import gplx.core.interfaces.*;
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import gplx.gfui.ipts.*; import gplx.gfui.controls.elems.*; import gplx.gfui.controls.tabs.*;
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public class GfuiFocusXferBnd implements InjectAble, Gfo_invk {
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public void Inject(Object owner) {
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GfuiElem elem = GfuiElem_.cast(owner);
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IptBnd_.cmd_to_(IptCfg_.Null, elem, this, Invk_FocusNext, IptKey_.Down);
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IptBnd_.cmd_to_(IptCfg_.Null, elem, this, Invk_FocusPrev, IptKey_.Up);
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}
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@gplx.Internal protected void Focus(GfuiElem cur, boolean fwd) {
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List_adp allElemsInOwnerWin = List_adp_.New(); AddSubs(cur.OwnerWin(), allElemsInOwnerWin);
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int curIdx = allElemsInOwnerWin.Idx_of(cur);
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GfuiElem target = cur;
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while (true) { // find next visible elem
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int cycle = TabBox_.Cycle(fwd, curIdx, allElemsInOwnerWin.Count());
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target = GfuiElem_.cast(allElemsInOwnerWin.Get_at(cycle));
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if (target.Visible()) break;
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if (cycle == curIdx) break; // either (a) one elem in allElemsInOwnerWin or (b) n elems, and cycled back to start; break, else infinite loop
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curIdx = cycle;
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}
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target.Focus();
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}
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void AddSubs(GfuiElem owner, List_adp allElemsInOwnerWin) {
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for (int i = 0; i < owner.SubElems().Count(); i++) {
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GfuiElemBase sub = (GfuiElemBase)owner.SubElems().Get_at(i);
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if (sub.Click_able()) allElemsInOwnerWin.Add(sub);
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AddSubs(sub, allElemsInOwnerWin);
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}
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}
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public Object Invk(GfsCtx ctx, int ikey, String k, GfoMsg m) {
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if (ctx.Match(k, Invk_FocusNext)) Focus(GfuiElem_.cast(ctx.MsgSrc()), true);
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else if (ctx.Match(k, Invk_FocusPrev)) Focus(GfuiElem_.cast(ctx.MsgSrc()), false);
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else return Gfo_invk_.Rv_unhandled;
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return this;
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} public static final String Invk_FocusNext = "FocusNext", Invk_FocusPrev = "FocusPrev";
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public static final GfuiFocusXferBnd Instance = new GfuiFocusXferBnd(); GfuiFocusXferBnd() {}
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} |