HandleAnchorNodeChg.hxx

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#pragma once
 
#include "pam.hxx"
#include <wrtsh.hxx>
 
class SwFlyFrameFormat;
class SwFormatAnchor;
class SwFlyFrame;
 
// helper class to track change of anchor node of at-paragraph respectively
// at-character anchored fly frames
// if such a change happens, it has to be checked, if the count of the anchor
// frames also change. if yes, a re-creation of the fly frames is needed:
// - deletion of existing fly frames before the intrinsic anchor node changes
// - creation of new fly frames after the intrinsic anchor node change.
class SwHandleAnchorNodeChg
{
public:
    SwHandleAnchorNodeChg(SwFlyFrameFormat& _rFlyFrameFormat,
                          const SwFormatAnchor& _rNewAnchorFormat,
                          SwFlyFrame const* _pKeepThisFlyFrame = nullptr);
 
    ~SwHandleAnchorNodeChg();
 
private:
    // fly frame format, which is tracked for an anchor node change.
    SwFlyFrameFormat& mrFlyFrameFormat;
    // internal flag, which indicates that the certain anchor node change occurs
    // and that re-creation of fly frames is necessary.
    bool mbAnchorNodeChanged;
 
    std::optional<SwPosition> moCommentAnchor;
 
    SwWrtShell* mpWrtShell;
 
    void ImplDestroy();
 
    SwHandleAnchorNodeChg(const SwHandleAnchorNodeChg&) = delete;
    void operator=(const SwHandleAnchorNodeChg) = delete;
};
 
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