1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 #ifndef SW_FLYFRM_HXX 24 #define SW_FLYFRM_HXX 25 26 #include "layfrm.hxx" 27 #include <list> 28 #include "frmfmt.hxx" 29 30 class SwPageFrm; 31 class SwFmtFrmSize; 32 struct SwCrsrMoveState; 33 class SwBorderAttrs; 34 class SwVirtFlyDrawObj; 35 class SwSpzFrmFmts; 36 class SwAttrSetChg; 37 class PolyPolygon; 38 class SwFlyDrawContact; 39 class SwDrawContact; 40 class SwFmt; 41 42 #include <anchoredobject.hxx> 43 44 //Sucht ausgehend von pOldAnch einen Anker fuer Absatzgebundene Rahmen. 45 //Wird beim Draggen von Absatzgebundenen Objekten zur Ankeranzeige sowie 46 //fuer Ankerwechsel benoetigt. 47 //implementiert in layout/flycnt.cxx 48 const SwCntntFrm *FindAnchor( const SwFrm *pOldAnch, const Point &rNew, 49 const sal_Bool bBody = sal_False ); 50 51 // berechnet das Rechteck, in dem das Objekt bewegt bzw. resized werden darf 52 sal_Bool CalcClipRect( const SdrObject *pSdrObj, SwRect &rRect, sal_Bool bMove = sal_True ); 53 54 //allg. Basisklasse fuer alle Freifliegenden Rahmen 55 // OD 2004-03-22 #i26791# - inherit also from <SwAnchoredFlyFrm> 56 class SwFlyFrm : public SwLayoutFrm, public SwAnchoredObject 57 { 58 //darf Locken. Definiert in frmtool.cxx 59 friend void AppendObjs ( const SwSpzFrmFmts *, sal_uLong, SwFrm *, SwPageFrm * ); 60 friend void Notify( SwFlyFrm *, SwPageFrm *pOld, const SwRect &rOld, 61 const SwRect* pOldPrt ); 62 63 void InitDrawObj( sal_Bool bNotify ); //Wird von den CToren gerufen. 64 void FinitDrawObj(); //Wird vom CTor gerufen. 65 66 void _UpdateAttr( const SfxPoolItem*, const SfxPoolItem*, sal_uInt8 &, 67 SwAttrSetChg *pa = 0, SwAttrSetChg *pb = 0 ); 68 69 using SwLayoutFrm::CalcRel; 70 71 sal_uInt32 _GetOrdNumForNewRef( const SwFlyDrawContact* ); 72 SwVirtFlyDrawObj* CreateNewRef( SwFlyDrawContact* ); 73 74 protected: 75 76 SwFlyFrm *pPrevLink, // Vorgaenger/Nachfolger fuer Verkettung mit 77 *pNextLink; // Textfluss 78 79 // OD 2004-05-27 #i26791# - moved to <SwAnchoredObject> 80 // Point aRelPos; //Die Relative Position zum Master 81 82 private: 83 sal_Bool bLocked :1; //Cntnt-gebundene Flys muessen derart blockiert werden 84 //koennen, dass sie nicht Formatiert werden; :MakeAll 85 //returnt dann sofort. Dies ist bei Seitenwechseln 86 //waehrend der Formatierung notwendig. 87 //Auch wahrend des RootCTors ist dies notwendig da 88 //sonst der Anker formatiert wird obwohl die Root noch 89 //nicht korrekt an der Shell haengt und weil sonst 90 //initial zuviel Formatiert wuerde. 91 sal_Bool bNotifyBack:1; //sal_True wenn am Ende eines MakeAll() der Background 92 //vom NotifyDTor benachrichtigt werden muss. 93 protected: 94 95 sal_Bool bInvalid :1; //Pos, PrtArea od. SSize wurden Invalidiert, sie werden 96 //gleich wieder Validiert, denn sie muessen _immer_ 97 //gueltig sein. Damit in LayAction korrekt gearbeitet 98 //werden kann muss hier festgehalten werden, dass sie 99 //invalidiert wurden. Ausnahmen bestaetigen die Regelt! 100 sal_Bool bMinHeight:1; //sal_True wenn die vom Attribut vorgegebene Hoehe eine 101 //eine Minimalhoehe ist (der Frm also bei Bedarf 102 //darueberhinaus wachsen kann). 103 sal_Bool bHeightClipped :1; //sal_True wenn der Fly nicht die Pos/Size anhand der Attrs 104 sal_Bool bWidthClipped :1; //formatieren konnte, weil z.B. nicht genug Raum vorh. 105 //war. 106 sal_Bool bFormatHeightOnly :1; //Damit nach einer Anpassung der Breite 107 //(CheckClip) nur das Format aufgerufen wird; 108 //nicht aber die Breite anhand der Attribute 109 //wieder bestimmt wird. 110 sal_Bool bInCnt :1; // FLY_AS_CHAR, anchored as character 111 sal_Bool bAtCnt :1; // FLY_AT_PARA, anchored at paragraph 112 sal_Bool bLayout :1; // FLY_AT_PAGE, FLY_AT_FLY, at page or at frame 113 sal_Bool bAutoPosition :1; // FLY_AT_CHAR, anchored at character 114 sal_Bool bNoShrink :1; // temporary forbud of shrinking to avoid loops 115 sal_Bool bLockDeleteContent :1; // If the flag is set, the content of the 116 // fly frame is not deleted if moved to 117 // invisible layer. 118 119 friend class SwNoTxtFrm; // Darf NotifyBackground rufen 120 // virtual void NotifyBackground( SwPageFrm *pPage, 121 // const SwRect& rRect, PrepareHint eHint) = 0; 122 123 virtual void Format( const SwBorderAttrs *pAttrs = 0 ); 124 void MakePrtArea( const SwBorderAttrs &rAttrs ); 125 126 void Lock() { bLocked = sal_True; } 127 void Unlock() { bLocked = sal_False; } 128 129 void SetMinHeight() { bMinHeight = sal_True; } 130 void ResetMinHeight(){ bMinHeight = sal_False; } 131 132 Size CalcRel( const SwFmtFrmSize &rSz ) const; 133 SwTwips CalcAutoWidth() const; 134 135 SwFlyFrm( SwFlyFrmFmt*, SwFrm*, SwFrm *pAnchor ); 136 137 /** method to assure that anchored object is registered at the correct 138 page frame 139 140 OD 2004-07-02 #i28701# 141 142 @author OD 143 */ 144 virtual void RegisterAtCorrectPage(); 145 146 virtual bool _SetObjTop( const SwTwips _nTop ); 147 virtual bool _SetObjLeft( const SwTwips _nLeft ); 148 149 virtual const SwRect GetObjBoundRect() const; 150 virtual void Modify( const SfxPoolItem*, const SfxPoolItem* ); 151 152 public: 153 // OD 2004-03-23 #i26791# 154 TYPEINFO(); 155 156 virtual ~SwFlyFrm(); 157 // erfrage vom Client Informationen 158 virtual sal_Bool GetInfo( SfxPoolItem& ) const; 159 virtual void Paint( SwRect const&, 160 SwPrintData const*const pPrintData = NULL ) const; 161 virtual Size ChgSize( const Size& aNewSize ); 162 virtual sal_Bool GetCrsrOfst( SwPosition *, Point&, 163 SwCrsrMoveState* = 0 ) const; 164 165 virtual void CheckDirection( sal_Bool bVert ); 166 virtual void Cut(); 167 #ifdef DBG_UTIL 168 virtual void Paste( SwFrm* pParent, SwFrm* pSibling = 0 ); 169 #endif 170 171 SwTwips _Shrink( SwTwips, sal_Bool bTst ); 172 SwTwips _Grow ( SwTwips, sal_Bool bTst ); 173 void _Invalidate( SwPageFrm *pPage = 0 ); 174 175 sal_Bool FrmSizeChg( const SwFmtFrmSize & ); 176 177 SwFlyFrm *GetPrevLink() const { return pPrevLink; } 178 SwFlyFrm *GetNextLink() const { return pNextLink; } 179 180 static void ChainFrames( SwFlyFrm *pMaster, SwFlyFrm *pFollow ); 181 static void UnchainFrames( SwFlyFrm *pMaster, SwFlyFrm *pFollow ); 182 183 SwFlyFrm *FindChainNeighbour( SwFrmFmt &rFmt, SwFrm *pAnch = 0 ); 184 185 // OD 2004-03-24 #i26791# 186 const SwVirtFlyDrawObj* GetVirtDrawObj() const; 187 SwVirtFlyDrawObj *GetVirtDrawObj(); 188 void NotifyDrawObj(); 189 190 void ChgRelPos( const Point &rAbsPos ); 191 sal_Bool IsInvalid() const { return bInvalid; } 192 void Invalidate() const { ((SwFlyFrm*)this)->bInvalid = sal_True; } 193 void Validate() const { ((SwFlyFrm*)this)->bInvalid = sal_False; } 194 195 sal_Bool IsMinHeight() const { return bMinHeight; } 196 sal_Bool IsLocked() const { return bLocked; } 197 sal_Bool IsAutoPos() const { return bAutoPosition; } 198 sal_Bool IsFlyInCntFrm() const { return bInCnt; } 199 sal_Bool IsFlyFreeFrm() const { return bAtCnt || bLayout; } 200 sal_Bool IsFlyLayFrm() const { return bLayout; } 201 sal_Bool IsFlyAtCntFrm() const { return bAtCnt; } 202 203 sal_Bool IsNotifyBack() const { return bNotifyBack; } 204 void SetNotifyBack() { bNotifyBack = sal_True; } 205 void ResetNotifyBack() { bNotifyBack = sal_False; } 206 sal_Bool IsNoShrink() const { return bNoShrink; } 207 void SetNoShrink( sal_Bool bNew ) { bNoShrink = bNew; } 208 sal_Bool IsLockDeleteContent() const { return bLockDeleteContent; } 209 void SetLockDeleteContent( sal_Bool bNew ) { bLockDeleteContent = bNew; } 210 211 212 sal_Bool IsClipped() const { return bHeightClipped || bWidthClipped; } 213 sal_Bool IsHeightClipped() const { return bHeightClipped; } 214 sal_Bool IsWidthClipped() const { return bWidthClipped; } 215 216 sal_Bool IsLowerOf( const SwLayoutFrm* pUpper ) const; 217 inline sal_Bool IsUpperOf( const SwFlyFrm& _rLower ) const 218 { 219 return _rLower.IsLowerOf( this ); 220 } 221 222 SwFrm *FindLastLower(); 223 224 // OD 16.04.2003 #i13147# - add parameter <_bForPaint> to avoid load of 225 // the graphic during paint. Default value: sal_False 226 sal_Bool GetContour( PolyPolygon& rContour, 227 const sal_Bool _bForPaint = sal_False ) const; 228 229 230 //Auf dieser Shell painten (PreView, Print-Flag usw. rekursiv beachten)?. 231 static sal_Bool IsPaint( SdrObject *pObj, const ViewShell *pSh ); 232 233 /** SwFlyFrm::IsBackgroundTransparent - for feature #99657# 234 235 OD 12.08.2002 236 determines, if background of fly frame has to be drawn transparent 237 definition found in /core/layout/paintfrm.cxx 238 239 @author OD 240 241 @return true, if background color is transparent or a existing background 242 graphic is transparent. 243 */ 244 sal_Bool IsBackgroundTransparent() const; 245 246 /** SwFlyFrm::IsShadowTransparent - for feature #99657# 247 248 OD 05.08.2002 249 determine, if shadow color of fly frame has to be drawn transparent 250 definition found in /core/layout/paintfrm.cxx 251 252 @author OD 253 254 @return true, if shadow color is transparent. 255 */ 256 sal_Bool IsShadowTransparent() const; 257 258 // OD 2004-01-19 #110582# 259 void Chain( SwFrm* _pAnchor ); 260 void Unchain(); 261 void InsertCnt(); 262 void DeleteCnt(); 263 // OD 2004-02-12 #110582#-2 264 void InsertColumns(); 265 266 // OD 2004-03-23 #i26791# - pure virtual methods of base class <SwAnchoredObject> 267 virtual void MakeObjPos(); 268 virtual void InvalidateObjPos(); 269 270 virtual SwFrmFmt& GetFrmFmt(); 271 virtual const SwFrmFmt& GetFrmFmt() const; 272 273 virtual const SwRect GetObjRect() const; 274 275 /** method to determine, if a format on the Writer fly frame is possible 276 277 OD 2004-05-11 #i28701# 278 refine 'IsFormatPossible'-conditions of method 279 <SwAnchoredObject::IsFormatPossible()> by: 280 format isn't possible, if Writer fly frame is locked resp. col-locked. 281 282 @author OD 283 */ 284 virtual bool IsFormatPossible() const; 285 static void GetAnchoredObjects( std::list<SwAnchoredObject*>&, const SwFmt& rFmt ); 286 287 // overwriting "SwFrmFmt *SwLayoutFrm::GetFmt" to provide the correct derived return type. 288 // (This is in order to skip on the otherwise necessary casting of the result to 289 // 'SwFlyFrmFmt *' after calls to this function. The casting is now done in this function.) 290 virtual const SwFlyFrmFmt *GetFmt() const; 291 virtual SwFlyFrmFmt *GetFmt(); 292 }; 293 #endif 294