ftnfrm.hxx

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#ifndef INCLUDED_SW_SOURCE_CORE_INC_FTNFRM_HXX
#define INCLUDED_SW_SOURCE_CORE_INC_FTNFRM_HXX
 
#include "layfrm.hxx"
 
class SwContentFrame;
class SwRootFrame;
class SwTextNode;
class SwTextFootnote;
class SwBorderAttrs;
class SwFootnoteFrame;
 
void sw_RemoveFootnotes( SwFootnoteBossFrame* pBoss, bool bPageOnly, bool bEndNotes );
 
namespace sw {
 
void RemoveFootnotesForNode(
        SwRootFrame const& rLayout, SwTextNode const& rTextNode,
        std::vector<std::pair<sal_Int32, sal_Int32>> const*const pExtents);
 
}
 
// There exists a special container frame on a page for footnotes. It's called
// SwFootnoteContFrame. Each footnote is separated by a SwFootnoteFrame which contains
// the text frames of a footnote. SwFootnoteFrame can be split and will then
// continue on another page.
class SwFootnoteContFrame final : public SwLayoutFrame
{
    static SwFootnoteFrame* AddChained(bool bAppend, SwFrame *pNewUpper, bool bDefaultFormat);
 
public:
    SwFootnoteContFrame( SwFrameFormat*, SwFrame* );
 
    const SwFootnoteFrame* FindFootNote() const;
 
    static inline SwFootnoteFrame* AppendChained(SwFrame* pThis, bool bDefaultFormat);
    static inline SwFootnoteFrame* PrependChained(SwFrame* pThis, bool bDefaultFormat);
 
    virtual SwTwips ShrinkFrame( SwTwips, bool bTst = false, bool bInfo = false ) override;
    virtual SwTwips GrowFrame  ( SwTwips, bool bTst = false, bool bInfo = false ) override;
    virtual void    Format( vcl::RenderContext* pRenderContext, const SwBorderAttrs *pAttrs = nullptr ) override;
    virtual void    PaintSwFrameShadowAndBorder(
        const SwRect&,
        const SwPageFrame* pPage,
        const SwBorderAttrs&) const override;
    virtual void PaintSubsidiaryLines( const SwPageFrame*, const SwRect& ) const override;
            void    PaintLine( const SwRect &, const SwPageFrame * ) const;
 
    void dumpAsXml(xmlTextWriterPtr writer = nullptr) const override;
};
 
inline SwFootnoteFrame* SwFootnoteContFrame::AppendChained(SwFrame* pThis, bool bDefaultFormat)
{
    return AddChained(true, pThis, bDefaultFormat);
}
 
inline SwFootnoteFrame* SwFootnoteContFrame::PrependChained(SwFrame* pThis, bool bDefaultFormat)
{
    return AddChained(false, pThis, bDefaultFormat);
}
 
class SwFootnoteFrame final : public SwLayoutFrame
{
    // Pointer to FootnoteFrame in which the footnote will be continued:
    //  - 0     no following existent
    //  - this  for the last one
    //  - otherwise the following FootnoteFrame
    SwFootnoteFrame     *mpFollow;
    SwFootnoteFrame     *mpMaster;      // FootnoteFrame from which I am the following
    SwContentFrame   *mpReference;         // in this ContentFrame is the footnote reference
    SwTextFootnote     *mpAttribute;        // footnote attribute (for recognition)
 
    // if true paragraphs in this footnote are NOT permitted to flow backwards
    bool mbBackMoveLocked : 1;
    // #i49383# - control unlock of position of lower anchored objects.
    bool mbUnlockPosOfLowerObjs : 1;
 
public:
    SwFootnoteFrame( SwFrameFormat*, SwFrame*, SwContentFrame*, SwTextFootnote* );
 
    virtual bool IsDeleteForbidden() const override;
    virtual void Cut() override;
    virtual void Paste( SwFrame* pParent, SwFrame* pSibling = nullptr ) override;
 
    virtual void PaintSubsidiaryLines( const SwPageFrame*, const SwRect& ) const override;
 
    bool operator<( const SwTextFootnote* pTextFootnote ) const;
 
#ifdef DBG_UTIL
    const SwContentFrame *GetRef() const;
         SwContentFrame  *GetRef();
#else
    const SwContentFrame *GetRef() const    { return mpReference; }
         SwContentFrame  *GetRef()          { return mpReference; }
#endif
    const SwContentFrame *GetRefFromAttr()  const;
          SwContentFrame *GetRefFromAttr();
 
    const SwFootnoteFrame *GetFollow() const   { return mpFollow; }
          SwFootnoteFrame *GetFollow()         { return mpFollow; }
 
    const SwFootnoteFrame *GetMaster() const   { return mpMaster; }
          SwFootnoteFrame *GetMaster()         { return mpMaster; }
 
    const SwTextFootnote   *GetAttr() const   { return mpAttribute; }
          SwTextFootnote   *GetAttr()         { return mpAttribute; }
 
    void SetFollow( SwFootnoteFrame *pNew ) { mpFollow = pNew; }
    void SetMaster( SwFootnoteFrame *pNew ) { mpMaster = pNew; }
    void SetRef   ( SwContentFrame *pNew ) { mpReference = pNew; }
 
    void InvalidateNxtFootnoteCnts( SwPageFrame const * pPage );
 
    void LockBackMove()     { mbBackMoveLocked = true; }
    void UnlockBackMove()   { mbBackMoveLocked = false;}
    bool IsBackMoveLocked() const { return mbBackMoveLocked; }
 
    // prevents that the last content deletes the SwFootnoteFrame as well (Cut())
    void ColLock()       { mbColLocked = true; }
    void ColUnlock()     { mbColLocked = false; }
 
    // #i49383#
    void UnlockPosOfLowerObjs()
    {
        mbUnlockPosOfLowerObjs = true;
    }
    void KeepLockPosOfLowerObjs()
    {
        mbUnlockPosOfLowerObjs = false;
    }
    bool IsUnlockPosOfLowerObjs() const
    {
        return mbUnlockPosOfLowerObjs;
    }
 
    SwContentFrame* FindLastContent();
 
    void dumpAsXml(xmlTextWriterPtr writer = nullptr) const override;
};
 
#endif
 
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