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