include/svx/svddrgmt.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _SVDDRGMT_HXX
  21 #define _SVDDRGMT_HXX
  22
  23 #include <svx/svddrgv.hxx>
  24 #include "svx/svxdllapi.h"
  25 #include <svx/sdr/contact/objectcontact.hxx>
  26
  27 ////////////////////////////////////////////////////////////////////////////////////////////////////
  28 ////////////////////////////////////////////////////////////////////////////////////////////////////
  29 //
  30 //  @@@@@  @@@@@   @@@@   @@@@   @@   @@ @@@@@ @@@@@@ @@  @@  @@@@  @@@@@   @@@@
  31 //  @@  @@ @@  @@ @@  @@ @@  @@  @@@ @@@ @@      @@   @@  @@ @@  @@ @@  @@ @@  @@
  32 //  @@  @@ @@  @@ @@  @@ @@      @@@@@@@ @@      @@   @@  @@ @@  @@ @@  @@ @@
  33 //  @@  @@ @@@@@  @@@@@@ @@ @@@  @@@@@@@ @@@@    @@   @@@@@@ @@  @@ @@  @@  @@@@
  34 //  @@  @@ @@  @@ @@  @@ @@  @@  @@ @ @@ @@      @@   @@  @@ @@  @@ @@  @@     @@
  35 //  @@  @@ @@  @@ @@  @@ @@  @@  @@   @@ @@      @@   @@  @@ @@  @@ @@  @@ @@  @@
  36 //  @@@@@  @@  @@ @@  @@  @@@@@  @@   @@ @@@@@   @@   @@  @@  @@@@  @@@@@   @@@@
  37 //
  38 ////////////////////////////////////////////////////////////////////////////////////////////////////
  39 ////////////////////////////////////////////////////////////////////////////////////////////////////
  40
  41 class SdrDragView;
  42 class SdrDragStat;
  43
  44 //////////////////////////////////////////////////////////////////////////////
  45
  46 class SVX_DLLPUBLIC SdrDragEntry
  47 {
  48 private:
  49     // bitfield
  50     unsigned                    mbAddToTransparent : 1;
  51
  52 protected:
  53     // access for derived classes
  54     void setAddToTransparent(bool bNew) { mbAddToTransparent = bNew; }
  55
  56 public:
  57     SdrDragEntry();
  58     virtual ~SdrDragEntry();
  59
  60     virtual drawinglayer::primitive2d::Primitive2DSequence createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod) = 0;
  61
  62     // data read access
  63     bool getAddToTransparent() const { return mbAddToTransparent; }
  64 };
  65
  66 //////////////////////////////////////////////////////////////////////////////
  67
  68 class SVX_DLLPUBLIC SdrDragEntryPolyPolygon : public SdrDragEntry
  69 {
  70 private:
  71     basegfx::B2DPolyPolygon             maOriginalPolyPolygon;
  72
  73 public:
  74     SdrDragEntryPolyPolygon(const basegfx::B2DPolyPolygon& rOriginalPolyPolygon);
  75     virtual ~SdrDragEntryPolyPolygon();
  76
  77     virtual drawinglayer::primitive2d::Primitive2DSequence createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod);
  78 };
  79
  80 //////////////////////////////////////////////////////////////////////////////
  81
  82 class SdrDragEntrySdrObject : public SdrDragEntry
  83 {
  84 private:
  85     const SdrObject&                                maOriginal;
  86     SdrObject*                                      mpClone;
  87     sdr::contact::ObjectContact&                    mrObjectContact;
  88     bool                                            mbModify;
  89
  90 public:
  91     SdrDragEntrySdrObject(const SdrObject& rOriginal, sdr::contact::ObjectContact& rObjectContact, bool bModify);
  92     virtual ~SdrDragEntrySdrObject();
  93
  94     // #i54102# Split createPrimitive2DSequenceInCurrentState in prepareCurrentState and processing,
  95     // added accessors to original and clone
  96     void prepareCurrentState(SdrDragMethod& rDragMethod);
  97     const SdrObject& getOriginal() const { return maOriginal; }
  98     SdrObject* getClone() { return mpClone; }
  99
 100     virtual drawinglayer::primitive2d::Primitive2DSequence createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod);
 101 };
 102
 103 //////////////////////////////////////////////////////////////////////////////
 104
 105 class SdrDragEntryPrimitive2DSequence : public SdrDragEntry
 106 {
 107 private:
 108     drawinglayer::primitive2d::Primitive2DSequence  maPrimitive2DSequence;
 109
 110 public:
 111     SdrDragEntryPrimitive2DSequence(
 112         const drawinglayer::primitive2d::Primitive2DSequence& rSequence,
 113         bool bAddToTransparent);
 114     virtual ~SdrDragEntryPrimitive2DSequence();
 115
 116     virtual drawinglayer::primitive2d::Primitive2DSequence createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod);
 117 };
 118
 119 //////////////////////////////////////////////////////////////////////////////
 120
 121 class SdrDragEntryPointGlueDrag : public SdrDragEntry
 122 {
 123 private:
 124     std::vector< basegfx::B2DPoint >                maPositions;
 125     bool                                            mbIsPointDrag;
 126
 127 public:
 128     SdrDragEntryPointGlueDrag(const std::vector< basegfx::B2DPoint >& rPositions, bool bIsPointDrag);
 129     virtual ~SdrDragEntryPointGlueDrag();
 130
 131     virtual drawinglayer::primitive2d::Primitive2DSequence createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod);
 132 };
 133
 134 //////////////////////////////////////////////////////////////////////////////
 135
 136 class SVX_DLLPUBLIC SdrDragMethod
 137 {
 138 private:
 139     std::vector< SdrDragEntry* >            maSdrDragEntries;
 140     sdr::overlay::OverlayObjectList         maOverlayObjectList;
 141     SdrDragView&                            mrSdrDragView;
 142
 143     // bitfield
 144     unsigned                                mbMoveOnly : 1;
 145     unsigned                                mbSolidDraggingActive : 1;
 146
 147 protected:
 148     // access for derivated classes to maSdrDragEntries
 149     void clearSdrDragEntries();
 150     void addSdrDragEntry(SdrDragEntry* pNew);
 151     virtual void createSdrDragEntries();
 152     virtual void createSdrDragEntryForSdrObject(const SdrObject& rOriginal, sdr::contact::ObjectContact& rObjectContact, bool bModify);
 153
 154     // access for derivated classes to maOverlayObjectList
 155     void clearOverlayObjectList() { maOverlayObjectList.clear(); }
 156     void addToOverlayObjectList(sdr::overlay::OverlayObject& rNew) { maOverlayObjectList.append(rNew); }
 157     basegfx::B2DRange getB2DRangeFromOverlayObjectList() const { return maOverlayObjectList.getBaseRange(); }
 158
 159     // access for derivated classes to mrSdrDragView
 160     SdrDragView& getSdrDragView() { return mrSdrDragView; }
 161     const SdrDragView& getSdrDragView() const { return mrSdrDragView; }
 162
 163     // access for derivated classes for bools
 164     void setMoveOnly(bool bNew) { mbMoveOnly = bNew; }
 165     void setSolidDraggingActive(bool bNew) { mbSolidDraggingActive = bNew; }
 166
 167     // internal helpers for creation of standard drag entries
 168     void createSdrDragEntries_SolidDrag();
 169     void createSdrDragEntries_PolygonDrag();
 170     void createSdrDragEntries_PointDrag();
 171     void createSdrDragEntries_GlueDrag();
 172
 173     // old call forwarders to the SdrDragView
 174     void               ImpTakeDescriptionStr(sal_uInt16 nStrCacheID, String& rStr, sal_uInt16 nVal=0) const;
 175     SdrHdl*            GetDragHdl() const              { return getSdrDragView().pDragHdl; }
 176     SdrHdlKind         GetDragHdlKind() const          { return getSdrDragView().eDragHdl; }
 177     SdrDragStat&       DragStat()                      { return getSdrDragView().aDragStat; }
 178     const SdrDragStat& DragStat() const                { return getSdrDragView().aDragStat; }
 179     Point&             Ref1() const                    { return mrSdrDragView.aRef1; }
 180     Point&             Ref2() const                    { return mrSdrDragView.aRef2; }
 181     const SdrHdlList&  GetHdlList() const              { return getSdrDragView().aHdl; }
 182     void               AddUndo(SdrUndoAction* pUndo)   { getSdrDragView().AddUndo(pUndo); }
 183     bool               IsDragLimit()                   { return getSdrDragView().bDragLimit; }
 184     const Rectangle&   GetDragLimitRect()              { return getSdrDragView().aDragLimit; }
 185     const SdrMarkList& GetMarkedObjectList()                   { return getSdrDragView().GetMarkedObjectList(); }
 186     Point              GetSnapPos(const Point& rPt) const { return getSdrDragView().GetSnapPos(rPt,getSdrDragView().pMarkedPV); }
 187     sal_uInt16         SnapPos(Point& rPt) const       { return getSdrDragView().SnapPos(rPt,getSdrDragView().pMarkedPV); }
 188     inline const Rectangle& GetMarkedRect() const;
 189     SdrPageView*       GetDragPV() const;
 190     SdrObject*         GetDragObj() const;
 191     OutputDevice*      GetDragWin() const              { return getSdrDragView().pDragWin; }
 192     bool               IsDraggingPoints() const        { return getSdrDragView().IsDraggingPoints(); }
 193     bool               IsDraggingGluePoints() const    { return getSdrDragView().IsDraggingGluePoints(); }
 194
 195     bool DoAddConnectorOverlays();
 196     drawinglayer::primitive2d::Primitive2DSequence AddConnectorOverlays();
 197
 198 public:
 199     TYPEINFO();
 200
 201     void resetSdrDragEntries();
 202     basegfx::B2DRange getCurrentRange() const;
 203
 204     // #i58950# also moved constructor implementation to cxx
 205     SdrDragMethod(SdrDragView& rNewView);
 206
 207     // #i58950# virtual destructor was missing
 208     virtual ~SdrDragMethod();
 209
 210     void Show();
 211     void Hide();
 212     virtual void TakeSdrDragComment(String& rStr) const=0;
 213     virtual bool BeginSdrDrag()=0;
 214     virtual void MoveSdrDrag(const Point& rPnt)=0;
 215     virtual bool EndSdrDrag(bool bCopy)=0;
 216     virtual void CancelSdrDrag();
 217     virtual Pointer GetSdrDragPointer() const=0;
 218
 219     virtual void CreateOverlayGeometry(sdr::overlay::OverlayManager& rOverlayManager);
 220     void destroyOverlayGeometry();
 221
 222     virtual basegfx::B2DHomMatrix getCurrentTransformation();
 223     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget);
 224     virtual void applyCurrentTransformationToPolyPolygon(basegfx::B2DPolyPolygon& rTarget);
 225
 226     // data read access
 227     bool getMoveOnly() const { return mbMoveOnly; }
 228     bool getSolidDraggingActive() const { return mbSolidDraggingActive; }
 229 };
 230
 231 inline const Rectangle& SdrDragMethod::GetMarkedRect() const
 232 {
 233     return getSdrDragView().eDragHdl==HDL_POLY ? getSdrDragView().GetMarkedPointsRect() :
 234            getSdrDragView().eDragHdl==HDL_GLUE ? getSdrDragView().GetMarkedGluePointsRect() :
 235            getSdrDragView().GetMarkedObjRect();
 236 }
 237
 238 ////////////////////////////////////////////////////////////////////////////////////////////////////
 239 //   SdrDragMove
 240
 241 class SVX_DLLPUBLIC SdrDragMove : public SdrDragMethod
 242 {
 243 private:
 244     long                        nBestXSnap;
 245     long                        nBestYSnap;
 246     bool                        bXSnapped;
 247     bool                        bYSnapped;
 248
 249     void ImpCheckSnap(const Point& rPt);
 250
 251 protected:
 252     virtual void createSdrDragEntryForSdrObject(const SdrObject& rOriginal, sdr::contact::ObjectContact& rObjectContact, bool bModify);
 253
 254 public:
 255     TYPEINFO();
 256     SdrDragMove(SdrDragView& rNewView);
 257
 258     virtual void TakeSdrDragComment(String& rStr) const;
 259     virtual bool BeginSdrDrag();
 260     virtual void MoveSdrDrag(const Point& rPnt);
 261     virtual bool EndSdrDrag(bool bCopy);
 262     virtual Pointer GetSdrDragPointer() const;
 263
 264     virtual basegfx::B2DHomMatrix getCurrentTransformation();
 265     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget);
 266 };
 267
 268 ////////////////////////////////////////////////////////////////////////////////////////////////////
 269 //   SdrDragResize
 270
 271 class SVX_DLLPUBLIC SdrDragResize : public SdrDragMethod
 272 {
 273 protected:
 274     Fraction                    aXFact;
 275     Fraction                    aYFact;
 276
 277 public:
 278     TYPEINFO();
 279     SdrDragResize(SdrDragView& rNewView);
 280
 281     virtual void TakeSdrDragComment(String& rStr) const;
 282     virtual bool BeginSdrDrag();
 283     virtual void MoveSdrDrag(const Point& rPnt);
 284     virtual bool EndSdrDrag(bool bCopy);
 285     virtual Pointer GetSdrDragPointer() const;
 286
 287     virtual basegfx::B2DHomMatrix getCurrentTransformation();
 288     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget);
 289 };
 290
 291 ////////////////////////////////////////////////////////////////////////////////////////////////////
 292 //   SdrDragObjOwn
 293
 294 class SVX_DLLPUBLIC SdrDragObjOwn : public SdrDragMethod
 295 {
 296 private:
 297     // SdrDragObjOwn always works on a clone since it has no transformation
 298     // mechanism to modify wireframe visualisations, but uses the
 299     // SdrObject::applySpecialDrag() method to change a clone of the
 300     // SdrObject
 301     SdrObject*                  mpClone;
 302
 303 protected:
 304     virtual void createSdrDragEntries();
 305
 306 public:
 307     TYPEINFO();
 308     SdrDragObjOwn(SdrDragView& rNewView);
 309     virtual ~SdrDragObjOwn();
 310
 311     virtual void TakeSdrDragComment(String& rStr) const;
 312     virtual bool BeginSdrDrag();
 313     virtual void MoveSdrDrag(const Point& rPnt);
 314     virtual bool EndSdrDrag(bool bCopy);
 315     virtual Pointer GetSdrDragPointer() const;
 316 };
 317
 318 #endif //_SVDDRGMT_HXX
 319
 320 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */