/* -*- 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_GRAPHCTL_HXX

#define INCLUDED_SVX_GRAPHCTL_HXX

#include <vcl/graph.hxx>

#include <vcl/weld/Dialog.hxx>

#include <vcl/weld/customweld.hxx>

#include <svx/svxdllapi.h>

#include <svx/svdview.hxx>

#include <svx/svdobj.hxx>

class GraphCtrl;

class GraphCtrlUserCall final : public SdrObjUserCall

{

    GraphCtrl& m_rWin;

public:

    GraphCtrlUserCall(GraphCtrl& rGraphWin)

        : m_rWin(rGraphWin)

    {}

    virtual void Changed(const SdrObject& rObj, SdrUserCallType eType, const tools::Rectangle& rOldBoundRect) override;

};

class SvxGraphCtrlAccessibleContext;

class SAL_DLLPUBLIC_RTTI GraphCtrl : public weld::CustomWidgetController

{

    friend class GraphCtrlView;

    friend class GraphCtrlUserCall;

    Graphic             maGraphic;

    ScopedVclPtrInstance<VirtualDevice> mxVD;

    Idle                maUpdateIdle;

    Link<GraphCtrl*,void>  maMousePosLink;

    Link<GraphCtrl*,void>  maGraphSizeLink;

    Link<GraphCtrl*,void>  maUpdateLink;

    MapMode             maMap100;

    Size                maGraphSize;

    Point               maMousePos;

    std::unique_ptr<GraphCtrlUserCall> mpUserCall;

    SdrObjKind          meObjKind;

    sal_uInt16          mnPolyEdit;

    bool                mbEditMode;

    bool                mbSdrMode;

    bool                mbInIdleUpdate;

    weld::Dialog*       mpDialog;

    DECL_LINK( UpdateHdl, Timer*, void );

    rtl::Reference<SvxGraphCtrlAccessibleContext> mpAccContext;

protected:

    std::unique_ptr<SdrModel>  mpModel;

    std::unique_ptr<SdrView>   mpView;

    virtual void        Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect ) override;

    virtual void        Resize() override;

    virtual bool        KeyInput(const KeyEvent& rKEvt) override;

    virtual bool        MouseButtonDown(const MouseEvent& rMEvt) override;

    virtual bool        MouseButtonUp(const MouseEvent& rMEvt) override;

    virtual bool        MouseMove(const MouseEvent& rMEvt) override;

    virtual void        InitSdrModel();

    virtual void        SdrObjCreated( const SdrObject& rObj );

    virtual void        SdrObjChanged( const SdrObject& rObj );

    virtual void        MarkListHasChanged();

    void GraphicToVD();

    SdrObjUserCall* GetSdrUserCall() { return mpUserCall.get(); }

public:

    SVX_DLLPUBLIC GraphCtrl(weld::Dialog* pDialog);

    virtual void SetDrawingArea(weld::DrawingArea* pDrawingArea) override;

    SVX_DLLPUBLIC virtual ~GraphCtrl() override;

    SVX_DLLPUBLIC void  SetGraphic( const Graphic& rGraphic, bool bNewModel = true );

    const Graphic&      GetGraphic() const { return maGraphic; }

    const Size&         GetGraphicSize() const { return maGraphSize; }

    const Point&        GetMousePos() const { return maMousePos; }

    void                SetEditMode( const bool bEditMode );

    void                SetPolyEditMode( const sal_uInt16 nPolyEdit );

    sal_uInt16          GetPolyEditMode() const { return mnPolyEdit; }

    void                SetObjKind( const SdrObjKind eObjKind );

    SdrModel*           GetSdrModel() const { return mpModel.get(); }

    SdrView*            GetSdrView() const { return mpView.get(); }

    SdrObject*          GetSelectedSdrObject() const;

    bool                IsChanged() const { return mbSdrMode && mpModel->IsChanged(); }

    void                SetMousePosLink( const Link<GraphCtrl*,void>& rLink ) { maMousePosLink = rLink; }

    void                SetGraphSizeLink( const Link<GraphCtrl*,void>& rLink ) { maGraphSizeLink = rLink; }

    void                SetUpdateLink( const Link<GraphCtrl*,void>& rLink ) { maUpdateLink = rLink; }

    void                QueueIdleUpdate();

    void                SetSdrMode(bool b);

    Point               GetPositionInDialog() const;

    virtual rtl::Reference<comphelper::OAccessible> CreateAccessible() override;

};

class GraphCtrlView final : public SdrView

{

    GraphCtrl& m_rGraphCtrl;

    virtual void MarkListHasChanged() override

    {

        SdrView::MarkListHasChanged();

        m_rGraphCtrl.MarkListHasChanged();

    }

public:

    GraphCtrlView(SdrModel& rSdrModel, GraphCtrl* pWindow)

        : SdrView(rSdrModel, &pWindow->GetDrawingArea()->get_ref_device())

        , m_rGraphCtrl(*pWindow)

    {

    }

    virtual ~GraphCtrlView() override;

    // override these so we can get the occasions SdrPaintView would call Window::Invalidate on its vcl::Window

    // if it had one, and route to WidgetController::Invalidate instead

    virtual rtl::Reference<sdr::overlay::OverlayManager> CreateOverlayManager(OutputDevice& rDevice) const override;

    virtual void InvalidateOneWin(OutputDevice& rWin) override;

    virtual void InvalidateOneWin(OutputDevice& rWin, const tools::Rectangle& rRect) override;

};

#endif // INCLUDED_SVX_GRAPHCTL_HXX

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