svdxcgv.hxx

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#pragma once

#include <svx/svdedxv.hxx>

#include <vcl/gdimtf.hxx>
#include <svx/svxdllapi.h>

class SVXCORE_DLLPUBLIC SdrExchangeView : public SdrObjEditView
{
    friend class SdrPageView;

protected:

    void                ImpGetPasteObjList(Point& rPos, SdrObjList*& rpLst);
    void                ImpPasteObject(SdrObject* pObj, SdrObjList& rLst, const Point& rCenter, const Size& rSiz, const MapMode& rMap, SdrInsertFlags nOptions);
    bool                ImpGetPasteLayer(const SdrObjList* pObjList, SdrLayerID& rLayer) const;

    // Returns true if rPt has changed
    bool                ImpLimitToWorkArea(Point& rPt) const;

protected:
    // #i71538# make constructors of SdrView sub-components protected to avoid incomplete incarnations which may get casted to SdrView
    SdrExchangeView(
        SdrModel& rSdrModel,
        OutputDevice* pOut);

public:
    // Output all marked objects on the specified OutputDevice
    ::std::vector< SdrObject* > GetMarkedObjects() const;
    virtual void        DrawMarkedObj(OutputDevice& rOut) const;

    // E.g. for Clipboard, Drag'n'Drop, ...
    // Add all marked objects to a metafile.
    // FIXME: This is known to be somewhat buggy still (Offset...,
    // foreign graphics objects (SdrGrafObj), virtual object
    // copies (SdrVirtObj) with anchor position <>(0,0)).
    GDIMetaFile GetMarkedObjMetaFile(bool bNoVDevIfOneMtfMarked = false) const;

    // Draw all marked objects onto a bitmap, with the display's color depth
    // and resolution
    BitmapEx GetMarkedObjBitmapEx(bool bNoVDevIfOneBmpMarked = false, const sal_uInt32 nMaximumQuadraticPixels = 500000, const std::optional<Size>& rTargetDPI = std::nullopt) const;

    // Copy all marked objects to a new model, consisting of exactly one page,
    // with the flag PageNotValid set. This means, that only the page's objects
    // are valid and not the page itself (page size, margins).
    // The new model is created on the free store and passed to the caller of
    // this method, which is responsible to dispose it later on.
    //
    // When inserting the marked objects into the one page of the new model,
    // the page-local layer is merged. If there's no more room left for
    // additional page-local layers, the corresponding objects are assigned
    // the default layer (layer 0, document-global standard layer).
    virtual std::unique_ptr<SdrModel> CreateMarkedObjModel() const;

    Graphic         GetAllMarkedGraphic() const;

    static Graphic GetObjGraphic(const SdrObject& rSdrObject);

    // The new Draw objects are marked for all paste methods.
    // If bAddMark is true, the new Draw objects are added to an existing
    // selection, which is meant for Drag'n'Drop with multiple items.
    //
    // The methods with a point parameter insert objects centered at that
    // position, all others are centered at the 1st OutputDevice of the View.
    //
    // If pPg is set, the objects are inserted at that page. The positioning
    // (rPos or alignment) are not relative to the View, but to the Page.
    //
    // Note: SdrObjList is the base class of SdrPage.
    // All methods return true, if the objects have been successfully created
    // and inserted.
    // If pLst = false and no TextEdit active, we can rely on the fact, that
    // it is marked at the View. Or else the marking only happens if the pLst
    // is also shown at the View at the moment.
    //
    // Valid values for nOptions are SDRINSERT_DONTMARK and SDRINSERT_ADDMARK
    // (@see svdedtv.hxx).
    virtual bool Paste(
        const SdrModel& rMod, const Point& rPos, SdrObjList* pLst, SdrInsertFlags nOptions);

    bool            Paste(const OUString& rStr, const Point& rPos, SdrObjList* pLst, SdrInsertFlags nOptions);
    bool            Paste(SvStream& rInput, EETextFormat eFormat, const Point& rPos, SdrObjList* pLst, SdrInsertFlags nOptions);
};

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