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flyfrm.hxx
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19 
20 #ifndef INCLUDED_SW_SOURCE_CORE_INC_FLYFRM_HXX
21 #define INCLUDED_SW_SOURCE_CORE_INC_FLYFRM_HXX
22 
23 #include "layfrm.hxx"
24 #include <vector>
25 #include <frmfmt.hxx>
26 #include <anchoredobject.hxx>
27 #include <swdllapi.h>
28 
29 class SwFormatAnchor;
30 class SwPageFrame;
31 class SwFormatFrameSize;
32 struct SwCursorMoveState;
33 class SwBorderAttrs;
34 class SwVirtFlyDrawObj;
35 class SwAttrSetChg;
36 namespace tools { class PolyPolygon; }
37 class SwFormat;
38 class SwViewShell;
39 class SwFEShell;
40 class SwWrtShell;
41 
42 
50 const SwContentFrame *FindAnchor( const SwFrame *pOldAnch, const Point &rNew,
51  const bool bBody = false );
52 
54 bool CalcClipRect( const SdrObject *pSdrObj, SwRect &rRect, bool bMove = true );
55 
57 {
58  NONE = 0x00,
59  InvalidatePos = 0x01,
60  InvalidateSize = 0x02,
61  InvalidatePrt = 0x04,
62  SetNotifyBack = 0x08,
63  SetCompletePaint = 0x10,
64  InvalidateBrowseWidth = 0x20,
65  ClearContourCache = 0x40,
66  UpdateObjInSortedList = 0x80,
67 };
68 
69 namespace o3tl {
70  template<> struct typed_flags<SwFlyFrameInvFlags> : is_typed_flags<SwFlyFrameInvFlags, 0x00ff> {};
71 }
72 
73 
79 {
80  // is allowed to lock, implemented in frmtool.cxx
81  friend void AppendObj(SwFrame *const pFrame, SwPageFrame *const pPage, SwFrameFormat *const pFormat, const SwFormatAnchor & rAnch);
82  friend void Notify( SwFlyFrame *, SwPageFrame *pOld, const SwRect &rOld,
83  const SwRect* pOldPrt );
84 
85  void InitDrawObj(SwFrame const&); // these to methods are called in the
86  void FinitDrawObj(); // constructors
87 
88  void UpdateAttr_( const SfxPoolItem*, const SfxPoolItem*, SwFlyFrameInvFlags &,
89  SwAttrSetChg *pa = nullptr, SwAttrSetChg *pb = nullptr );
90 
92 
93 protected:
94  // Predecessor/Successor for chaining with text flow
95  SwFlyFrame *m_pPrevLink, *m_pNextLink;
96  static const SwFormatAnchor* GetAnchorFromPoolItem(const SfxPoolItem& rItem);
97 
98 private:
99  // It must be possible to block Content-bound flys so that they will be not
100  // formatted; in this case MakeAll() returns immediately. This is necessary
101  // for page changes during formatting. In addition, it is needed during
102  // the constructor call of the root object since otherwise the anchor will
103  // be formatted before the root is anchored correctly to a shell and
104  // because too much would be formatted as a result.
105  bool m_bLocked :1;
106  // true if the background of NotifyDTor needs to be notified at the end
107  // of a MakeAll() call.
108  bool m_bNotifyBack :1;
109 
110 protected:
111  // Pos, PrtArea or SSize have been invalidated - they will be evaluated
112  // again immediately because they have to be valid _at all time_.
113  // The invalidation is tracked here so that LayAction knows about it and
114  // can handle it properly. Exceptions prove the rule.
115  bool m_bInvalid :1;
116 
117  // true if the proposed height of an attribute is a minimal height
118  // (this means that the frame can grow higher if needed)
119  bool m_bMinHeight :1;
120  // true if the fly frame could not format position/size based on its
121  // attributes, e.g. because there was not enough space.
122  bool m_bHeightClipped :1;
123  bool m_bWidthClipped :1;
124  // If true then call only the format after adjusting the width (CheckClip);
125  // but the width will not be re-evaluated based on the attributes.
126  bool m_bFormatHeightOnly :1;
127 
128  bool m_bInCnt :1;
129  bool m_bAtCnt :1;
130  bool m_bLayout :1;
132  bool m_bAutoPosition :1;
133 
134  friend class SwNoTextFrame; // is allowed to call NotifyBackground
135 
136  Point m_aContentPos; // content area's position relatively to Frame
138 
139  virtual void Format( vcl::RenderContext* pRenderContext, const SwBorderAttrs *pAttrs = nullptr ) override;
140  void MakePrtArea( const SwBorderAttrs &rAttrs );
141  void MakeContentPos( const SwBorderAttrs &rAttrs );
142 
143  void Lock() { m_bLocked = true; }
144  void Unlock() { m_bLocked = false; }
145 
146  Size CalcRel( const SwFormatFrameSize &rSz ) const;
147 
148  SwFlyFrame( SwFlyFrameFormat*, SwFrame*, SwFrame *pAnchor );
149 
150  virtual void DestroyImpl() override;
151  virtual ~SwFlyFrame() override;
152 
156  virtual void RegisterAtCorrectPage() override;
157  virtual void RegisterAtPage(SwPageFrame &) override;
158 
159  virtual bool SetObjTop_( const SwTwips _nTop ) override;
160  virtual bool SetObjLeft_( const SwTwips _nLeft ) override;
161 
162  virtual SwRect GetObjBoundRect() const override;
163  virtual void SwClientNotify(const SwModify& rMod, const SfxHint& rHint) override;
164 
165  virtual const IDocumentDrawModelAccess& getIDocumentDrawModelAccess( ) override;
166 
167  SwTwips CalcContentHeight(const SwBorderAttrs *pAttrs, const SwTwips nMinHeight, const SwTwips nUL);
168 
169 public:
170  // #i26791#
171 
172  // get client information
173  virtual bool GetInfo( SfxPoolItem& ) const override;
174  virtual void PaintSwFrame( vcl::RenderContext& rRenderContext, SwRect const&,
175  SwPrintData const*const pPrintData = nullptr ) const override;
176  virtual Size ChgSize( const Size& aNewSize ) override;
177  virtual bool GetModelPositionForViewPoint( SwPosition *, Point&,
178  SwCursorMoveState* = nullptr, bool bTestBackground = false ) const override;
179 
180  virtual void CheckDirection( bool bVert ) override;
181  virtual void Cut() override;
182 #ifdef DBG_UTIL
183  virtual void Paste( SwFrame* pParent, SwFrame* pSibling = nullptr ) override;
184 #endif
185 
186  SwTwips Shrink_( SwTwips, bool bTst );
187  SwTwips Grow_ ( SwTwips, bool bTst );
188  void Invalidate_( SwPageFrame const *pPage = nullptr );
189 
190  bool FrameSizeChg( const SwFormatFrameSize & );
191 
192  SwFlyFrame *GetPrevLink() const { return m_pPrevLink; }
193  SwFlyFrame *GetNextLink() const { return m_pNextLink; }
194 
195  static void ChainFrames( SwFlyFrame *pMaster, SwFlyFrame *pFollow );
196  static void UnchainFrames( SwFlyFrame *pMaster, SwFlyFrame *pFollow );
197 
198  SwFlyFrame *FindChainNeighbour( SwFrameFormat const &rFormat, SwFrame *pAnch = nullptr );
199 
200  // #i26791#
201  const SwVirtFlyDrawObj* GetVirtDrawObj() const;
202  SwVirtFlyDrawObj *GetVirtDrawObj();
203  void NotifyDrawObj();
204 
205  void ChgRelPos( const Point &rAbsPos );
206  bool IsInvalid() const { return m_bInvalid; }
207  void Invalidate() const { const_cast<SwFlyFrame*>(this)->m_bInvalid = true; }
208  void Validate() const { const_cast<SwFlyFrame*>(this)->m_bInvalid = false; }
209 
210  bool IsMinHeight() const { return m_bMinHeight; }
211  bool IsLocked() const { return m_bLocked; }
212  bool IsAutoPos() const { return m_bAutoPosition; }
213  bool IsFlyInContentFrame() const { return m_bInCnt; }
214  bool IsFlyFreeFrame() const { return m_bAtCnt || m_bLayout; }
215  bool IsFlyLayFrame() const { return m_bLayout; }
216  bool IsFlyAtContentFrame() const { return m_bAtCnt; }
217 
218  bool IsNotifyBack() const { return m_bNotifyBack; }
219  void SetNotifyBack() { m_bNotifyBack = true; }
220  void ResetNotifyBack() { m_bNotifyBack = false; }
221 
222  bool IsClipped() const { return m_bHeightClipped || m_bWidthClipped; }
223  bool IsHeightClipped() const { return m_bHeightClipped; }
224 
225  bool IsLowerOf( const SwLayoutFrame* pUpper ) const;
226  bool IsUpperOf( const SwFlyFrame& _rLower ) const
227  {
228  return _rLower.IsLowerOf( this );
229  }
230 
231  SwFrame *FindLastLower();
232 
233  // #i13147# - add parameter <_bForPaint> to avoid load of
234  // the graphic during paint. Default value: false
235  bool GetContour( tools::PolyPolygon& rContour,
236  const bool _bForPaint = false ) const;
237 
238  // Paint on this shell (consider Preview, print flag, etc. recursively)?
239  static bool IsPaint( SdrObject *pObj, const SwViewShell *pSh );
240 
250  bool IsBackgroundTransparent() const;
251 
252  void Chain( SwFrame* _pAnchor );
253  void Unchain();
254  void InsertCnt();
255  void DeleteCnt();
256  void InsertColumns();
257 
258  // #i26791# - pure virtual methods of base class <SwAnchoredObject>
259  virtual void MakeObjPos() override;
260  virtual void InvalidateObjPos() override;
261 
262  virtual SwFrameFormat& GetFrameFormat() override;
263  virtual const SwFrameFormat& GetFrameFormat() const override;
264 
265  virtual SwRect GetObjRect() const override;
266 
274  virtual bool IsFormatPossible() const override;
275  static void GetAnchoredObjects( std::vector<SwAnchoredObject*>&, const SwFormat& rFormat );
276 
277  // overwriting "SwFrameFormat *SwLayoutFrame::GetFormat" to provide the correct derived return type.
278  // (This is in order to skip on the otherwise necessary casting of the result to
279  // 'SwFlyFrameFormat *' after calls to this function. The casting is now done in this function.)
280  virtual const SwFlyFrameFormat *GetFormat() const override;
281  virtual SwFlyFrameFormat *GetFormat() override;
282 
283  virtual void dumpAsXml( xmlTextWriterPtr writer ) const override { SwLayoutFrame::dumpAsXml( writer ); };
284 
285  virtual void Calc(vcl::RenderContext* pRenderContext) const override;
286 
287  const Point& ContentPos() const { return m_aContentPos; }
288  Point& ContentPos() { return m_aContentPos; }
289 
290  void InvalidateContentPos();
291 
292  void SelectionHasChanged(SwFEShell* pShell);
293  bool IsShowUnfloatButton(SwWrtShell* pWrtSh) const;
294 
295  // For testing only (see uiwriter)
296  void ActiveUnfloatButton(SwWrtShell* pWrtSh);
297 
298 private:
299  void UpdateUnfloatButton(SwWrtShell* pWrtSh, bool bShow) const;
300  void PaintDecorators() const;
301 };
302 #endif
303 
304 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual void MakeObjPos()=0
method to determine position for the object and set the position at the object
Base class of the Writer layout elements.
Definition: frame.hxx:313
virtual SwRect GetObjRect() const =0
bool IsFlyLayFrame() const
Definition: flyfrm.hxx:215
void SetNotifyBack()
Definition: flyfrm.hxx:219
Marks a position in the document model.
Definition: pam.hxx:35
void MakePrtArea(const SwBorderAttrs &)
Definition: calcmove.cxx:1073
void Notify(SwFlyFrame *pFly, SwPageFrame *pOld, const SwRect &rOld, const SwRect *pOldRect=nullptr)
Notify the background based on the difference between old and new rectangle.
Definition: frmtool.cxx:3176
bool IsLowerOf(const SwLayoutFrame *pUpper) const
Definition: fly.cxx:2158
virtual bool SetObjTop_(const SwTwips _nTop)=0
Point & ContentPos()
Definition: flyfrm.hxx:288
void Unlock()
Definition: flyfrm.hxx:144
virtual void RegisterAtPage(SwPageFrame &)=0
void Invalidate() const
Definition: flyfrm.hxx:207
virtual void dumpAsXml(xmlTextWriterPtr writer=nullptr) const
Definition: xmldump.cxx:309
virtual void Calc(vcl::RenderContext *pRenderContext) const
Definition: trvlfrm.cxx:1788
bool CalcClipRect(const SdrObject *pSdrObj, SwRect &rRect, bool bMove=true)
calculate rectangle in that the object can be moved or rather be resized
Definition: flylay.cxx:1145
Of course Writer needs its own rectangles.
Definition: swrect.hxx:35
void Format(vcl::RenderContext *pRenderContext, const SwBorderAttrs *pAttrs=nullptr) override
Calculate the Bitmap's site, if needed.
Definition: notxtfrm.cxx:656
SwFlyFrame * m_pPrevLink
Definition: flyfrm.hxx:95
virtual SwRect GetObjBoundRect() const =0
bool IsFlyAtContentFrame() const
Definition: flyfrm.hxx:216
Used by the UI to modify the document model.
Definition: wrtsh.hxx:91
wrapper class for the positioning of Writer fly frames and drawing objects
bool IsInvalid() const
Definition: flyfrm.hxx:206
const Point & ContentPos() const
Definition: flyfrm.hxx:287
SwFlyFrame * GetPrevLink() const
Definition: flyfrm.hxx:192
virtual Size ChgSize(const Size &aNewSize)
Definition: wsfrm.cxx:733
void Lock()
Definition: flyfrm.hxx:143
virtual bool GetModelPositionForViewPoint(SwPosition *pPos, Point &aPoint, SwCursorMoveState *=nullptr, bool bTestBackground=false) const override
Definition: notxtfrm.cxx:703
bool IsUpperOf(const SwFlyFrame &_rLower) const
Definition: flyfrm.hxx:226
bool IsFlyInContentFrame() const
Definition: flyfrm.hxx:213
virtual bool SetObjLeft_(const SwTwips _nLeft)=0
virtual void dumpAsXml(xmlTextWriterPtr writer) const override
Dump a bunch of useful data to an XML representation to ease layout understanding, debugging and testing.
Definition: flyfrm.hxx:283
Base class for various Writer styles.
Definition: format.hxx:46
void AppendObj(SwFrame *const pFrame, SwPageFrame *const pPage, SwFrameFormat *const pFormat, const SwFormatAnchor &rAnch)
Definition: frmtool.cxx:987
struct _xmlTextWriter * xmlTextWriterPtr
bool IsMinHeight() const
Definition: flyfrm.hxx:210
Style of a layout element.
Definition: frmfmt.hxx:58
void Validate() const
Definition: flyfrm.hxx:208
FlyAnchors.
Definition: fmtanchr.hxx:34
virtual void PaintSwFrame(vcl::RenderContext &rRenderContext, SwRect const &, SwPrintData const *const pPrintData=nullptr) const override
Definition: notxtfrm.cxx:218
bool m_bValidContentPos
Definition: flyfrm.hxx:137
virtual void InvalidateObjPos()=0
method to invalidate position of the anchored object
#define SW_DLLPUBLIC
Definition: swdllapi.h:28
bool IsNotifyBack() const
Definition: flyfrm.hxx:218
A page of the document layout.
Definition: pagefrm.hxx:57
tools::Long SwTwips
Definition: swtypes.hxx:49
virtual void CheckDirection(bool bVert)
Definition: wsfrm.cxx:391
virtual bool IsFormatPossible() const
method to determine, if a format on the anchored object is possible
tools::Long CalcRel(const SwFormatFrameSize &rSz) const
Definition: wsfrm.cxx:3575
general base class for all free-flowing frames
Definition: flyfrm.hxx:78
virtual SwFrameFormat & GetFrameFormat()=0
bool IsLocked() const
Definition: flyfrm.hxx:211
unsigned char sal_uInt8
bool IsFlyFreeFrame() const
Definition: flyfrm.hxx:214
virtual const IDocumentDrawModelAccess & getIDocumentDrawModelAccess()
Definition: wsfrm.cxx:327
bool IsClipped() const
Definition: flyfrm.hxx:222
bool IsHeightClipped() const
Definition: flyfrm.hxx:223
SwFlyFrame * GetNextLink() const
Definition: flyfrm.hxx:193
Point m_aContentPos
Definition: flyfrm.hxx:136
virtual void RegisterAtCorrectPage()=0
method to assure that anchored object is registered at the correct page frame
virtual void Cut() override
Definition: wsfrm.cxx:1132
virtual bool GetInfo(SfxPoolItem &) const
Definition: calbck.hxx:166
SwFlyFrameInvFlags
Definition: flyfrm.hxx:56
const SwContentFrame * FindAnchor(const SwFrame *pOldAnch, const Point &rNew, const bool bBody=false)
search an anchor for paragraph bound frames starting from pOldAnch
Definition: flycnt.cxx:1055
virtual void DestroyImpl() override
Definition: notxtfrm.cxx:162
A layout frame is a frame that contains other frames (m_pLower), e.g. SwPageFrame or SwTabFrame...
Definition: layfrm.hxx:35
void ResetNotifyBack()
Definition: flyfrm.hxx:220
bool IsAutoPos() const
Definition: flyfrm.hxx:212
virtual void SwClientNotify(const SwModify &, const SfxHint &) override
Definition: notxtfrm.cxx:737
virtual const SwFrameFormat * GetFormat() const
Definition: ssfrm.cxx:395