/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#ifndef INCLUDED_SVX_SVDHLPLN_HXX

#define INCLUDED_SVX_SVDHLPLN_HXX

#include <sal/types.h>

#include <tools/gen.hxx>

#include <svx/svxdllapi.h>

#include <vector>

#include <memory>

class OutputDevice;

enum class PointerStyle;

enum class SdrHelpLineKind { Point, Vertical, Horizontal };

#define SDRHELPLINE_POINT_PIXELSIZE 15 /* actual size = PIXELSIZE*2+1 */

class SdrHelpLine {

    Point            m_aPos; // X or Y may be unimportant, depending on the value of eKind

    SdrHelpLineKind  m_eKind;

public:

    explicit SdrHelpLine(SdrHelpLineKind eNewKind=SdrHelpLineKind::Point): m_eKind(eNewKind) {}

    SdrHelpLine(SdrHelpLineKind eNewKind, const Point& rNewPos): m_aPos(rNewPos), m_eKind(eNewKind) {}

    bool operator==(const SdrHelpLine& rCmp) const { return m_aPos==rCmp.m_aPos && m_eKind==rCmp.m_eKind; }

    bool operator!=(const SdrHelpLine& rCmp) const { return !operator==(rCmp); }

    void            SetKind(SdrHelpLineKind eNewKind) { m_eKind=eNewKind; }

    SdrHelpLineKind GetKind() const                   { return m_eKind; }

    void            SetPos(const Point& rPnt)         { m_aPos=rPnt; }

    const Point&    GetPos() const                    { return m_aPos; }

    PointerStyle    GetPointer() const;

    bool            IsHit(const Point& rPnt, sal_uInt16 nTolLog, const OutputDevice& rOut) const;

    // OutputDevice is required because capture points have a fixed pixel size

    tools::Rectangle       GetBoundRect(const OutputDevice& rOut) const;

};

#define SDRHELPLINE_NOTFOUND 0xFFFF

class SVXCORE_DLLPUBLIC SdrHelpLineList {

    std::vector<std::unique_ptr<SdrHelpLine>> m_aList;

public:

    SdrHelpLineList() {}

    SdrHelpLineList(const SdrHelpLineList& rSrcList) { *this=rSrcList; }

    SdrHelpLineList&   operator=(const SdrHelpLineList& rSrcList);

    bool operator==(const SdrHelpLineList& rCmp) const;

    bool operator!=(const SdrHelpLineList& rCmp) const                 { return !operator==(rCmp); }

    sal_uInt16         GetCount() const                                    { return sal_uInt16(m_aList.size()); }

    void               Insert(const SdrHelpLine& rHL)                          { m_aList.emplace_back(new SdrHelpLine(rHL)); }

    void               Insert(const SdrHelpLine& rHL, sal_uInt16 nPos)

    {

        if(nPos==0xFFFF)

            m_aList.emplace_back(new SdrHelpLine(rHL));

        else

            m_aList.emplace(m_aList.begin() + nPos, new SdrHelpLine(rHL));

    }

    void               Delete(sal_uInt16 nPos)

    {

        m_aList.erase(m_aList.begin() + nPos);

    }

    SdrHelpLine&       operator[](sal_uInt16 nPos)                             { return *m_aList[nPos]; }

    const SdrHelpLine& operator[](sal_uInt16 nPos) const                       { return *m_aList[nPos]; }

    sal_uInt16             HitTest(const Point& rPnt, sal_uInt16 nTolLog, const OutputDevice& rOut) const;

};

#endif // INCLUDED_SVX_SVDHLPLN_HXX

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