/* -*- 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/.

 */

#pragma once

#include <sfx2/dllapi.h>

#include <vcl/vclptr.hxx>

#include <vcl/window.hxx>

namespace com::sun::star::beans { struct PropertyValue; }

namespace com::sun::star::frame { class XController; }

namespace com::sun::star::frame { class XFrame; }

namespace com::sun::star::uno { template<class E> class Sequence; }

class Point;

class SfxInPlaceClient;

class SfxViewShell;

class VirtualDevice;

namespace tools { class Rectangle; }

/// A class for chart editing support via LibreOfficeKit.

class SFX2_DLLPUBLIC LokChartHelper

{

private:

    SfxViewShell* mpViewShell;

    mutable css::uno::Reference<css::frame::XController> mxController;

    VclPtr<vcl::Window> mpWindow;

    bool mbNegativeX;

public:

    LokChartHelper(SfxViewShell* pViewShell, bool bNegativeX = false)

        : mpViewShell(pViewShell)

        , mpWindow(nullptr)

        , mbNegativeX(bNegativeX)

    {}

    css::uno::Reference<css::frame::XController>& GetXController() const;

    vcl::Window* GetWindow();

    tools::Rectangle GetChartBoundingBox();

    void Invalidate();

    void Dispatch(const OUString& cmd, const css::uno::Sequence<css::beans::PropertyValue>& rArguments) const;

    bool Hit(const Point& aPos);

    static bool HitAny(const Point& aPos, bool bNegativeX = false);

    void PaintTile(VirtualDevice& rRenderContext, const tools::Rectangle& rTileRect);

    static void PaintAllChartsOnTile(VirtualDevice& rDevice,

                                     int nOutputWidth, int nOutputHeight,

                                     int nTilePosX, int nTilePosY,

                                     tools::Long nTileWidth, tools::Long nTileHeight,

                                     bool bNegativeX = false);

    bool postMouseEvent(int nType, int nX, int nY,

                        int nCount, int nButtons, int nModifier,

                        double fScaleX = 1.0, double fScaleY = 1.0);

    bool setTextSelection(int nType, int nX, int nY);

    bool setGraphicSelection(int nType, int nX, int nY,

                             double fScaleX = 1.0, double fScaleY = 1.0);

};

/// A class for math editing support via LibreOfficeKit.

class SFX2_DLLPUBLIC LokStarMathHelper

{

public:

    LokStarMathHelper(const SfxViewShell* pViewShell);

    vcl::Window* GetGraphicWindow();

    vcl::Window* GetWidgetWindow();

    const SfxViewShell* GetSmViewShell();

    tools::Rectangle GetBoundingBox() const;

    void Dispatch(const OUString& cmd, const css::uno::Sequence<css::beans::PropertyValue>& rArguments) const;

    bool postMouseEvent(int nType, int nX, int nY, int nCount, int nButtons, int nModifier,

                        double fPPTScaleX, double fPPTScaleY);

    static void PaintAllInPlaceOnTile(VirtualDevice& rDevice, int nOutputWidth, int nOutputHeight,

                                      int nTilePosX, int nTilePosY, tools::Long nTileWidth,

                                      tools::Long nTileHeight);

private:

    void PaintTile(VirtualDevice& rDevice, const tools::Rectangle& rTileRect);

    const SfxViewShell* mpViewShell;

    const SfxInPlaceClient* mpIPClient = nullptr; // not nullptr when the object is valid

    css::uno::Reference<css::frame::XFrame> mxFrame; // not empty when the object is valid

    VclPtr<vcl::Window> mpGraphicWindow;

    VclPtr<vcl::Window> mpWidgetWindow;

};

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */