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 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     unsigned                    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);
  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);
  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);
 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);
 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     unsigned                                mbMoveOnly : 1;
 129     unsigned                                mbSolidDraggingActive : 1;
 130
 131 protected:
 132     // access for derivated classes to maSdrDragEntries
 133     void clearSdrDragEntries();
 134     void addSdrDragEntry(SdrDragEntry* pNew);
 135     virtual void createSdrDragEntries();
 136     virtual void createSdrDragEntryForSdrObject(const SdrObject& rOriginal, sdr::contact::ObjectContact& rObjectContact, bool bModify);
 137
 138     // access for derivated classes to maOverlayObjectList
 139     void clearOverlayObjectList() { maOverlayObjectList.clear(); }
 140     void addToOverlayObjectList(sdr::overlay::OverlayObject& rNew) { maOverlayObjectList.append(rNew); }
 141     basegfx::B2DRange getB2DRangeFromOverlayObjectList() const { return maOverlayObjectList.getBaseRange(); }
 142
 143     // access for derivated classes to mrSdrDragView
 144     SdrDragView& getSdrDragView() { return mrSdrDragView; }
 145     const SdrDragView& getSdrDragView() const { return mrSdrDragView; }
 146
 147     // access for derivated classes for bools
 148     void setMoveOnly(bool bNew) { mbMoveOnly = bNew; }
 149     void setSolidDraggingActive(bool bNew) { mbSolidDraggingActive = bNew; }
 150
 151     // internal helpers for creation of standard drag entries
 152     void createSdrDragEntries_SolidDrag();
 153     void createSdrDragEntries_PolygonDrag();
 154     void createSdrDragEntries_PointDrag();
 155     void createSdrDragEntries_GlueDrag();
 156
 157     // old call forwarders to the SdrDragView
 158     void               ImpTakeDescriptionStr(sal_uInt16 nStrCacheID, OUString& rStr, sal_uInt16 nVal=0) const;
 159     SdrHdl*            GetDragHdl() const              { return getSdrDragView().pDragHdl; }
 160     SdrHdlKind         GetDragHdlKind() const          { return getSdrDragView().eDragHdl; }
 161     SdrDragStat&       DragStat()                      { return getSdrDragView().aDragStat; }
 162     const SdrDragStat& DragStat() const                { return getSdrDragView().aDragStat; }
 163     Point&             Ref1() const                    { return mrSdrDragView.aRef1; }
 164     Point&             Ref2() const                    { return mrSdrDragView.aRef2; }
 165     const SdrHdlList&  GetHdlList() const              { return getSdrDragView().aHdl; }
 166     void               AddUndo(SdrUndoAction* pUndo)   { getSdrDragView().AddUndo(pUndo); }
 167     bool               IsDragLimit()                   { return getSdrDragView().bDragLimit; }
 168     const Rectangle&   GetDragLimitRect()              { return getSdrDragView().aDragLimit; }
 169     const SdrMarkList& GetMarkedObjectList()                   { return getSdrDragView().GetMarkedObjectList(); }
 170     Point              GetSnapPos(const Point& rPt) const { return getSdrDragView().GetSnapPos(rPt,getSdrDragView().pMarkedPV); }
 171     sal_uInt16         SnapPos(Point& rPt) const       { return getSdrDragView().SnapPos(rPt,getSdrDragView().pMarkedPV); }
 172     inline const Rectangle& GetMarkedRect() const;
 173     SdrPageView*       GetDragPV() const;
 174     SdrObject*         GetDragObj() const;
 175     OutputDevice*      GetDragWin() const              { return getSdrDragView().pDragWin; }
 176     bool               IsDraggingPoints() const        { return getSdrDragView().IsDraggingPoints(); }
 177     bool               IsDraggingGluePoints() const    { return getSdrDragView().IsDraggingGluePoints(); }
 178
 179     bool DoAddConnectorOverlays();
 180     drawinglayer::primitive2d::Primitive2DSequence AddConnectorOverlays();
 181
 182 public:
 183     TYPEINFO();
 184
 185     void resetSdrDragEntries();
 186     basegfx::B2DRange getCurrentRange() const;
 187
 188     // #i58950# also moved constructor implementation to cxx
 189     SdrDragMethod(SdrDragView& rNewView);
 190
 191     // #i58950# virtual destructor was missing
 192     virtual ~SdrDragMethod();
 193
 194     void Show();
 195     void Hide();
 196     virtual void TakeSdrDragComment(OUString& rStr) const=0;
 197     virtual bool BeginSdrDrag()=0;
 198     virtual void MoveSdrDrag(const Point& rPnt)=0;
 199     virtual bool EndSdrDrag(bool bCopy)=0;
 200     virtual void CancelSdrDrag();
 201     virtual Pointer GetSdrDragPointer() const=0;
 202
 203     virtual void CreateOverlayGeometry(sdr::overlay::OverlayManager& rOverlayManager);
 204     void destroyOverlayGeometry();
 205
 206     virtual basegfx::B2DHomMatrix getCurrentTransformation();
 207     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget);
 208     virtual void applyCurrentTransformationToPolyPolygon(basegfx::B2DPolyPolygon& rTarget);
 209
 210     // data read access
 211     bool getMoveOnly() const { return mbMoveOnly; }
 212     bool getSolidDraggingActive() const { return mbSolidDraggingActive; }
 213 };
 214
 215 inline const Rectangle& SdrDragMethod::GetMarkedRect() const
 216 {
 217     return getSdrDragView().eDragHdl==HDL_POLY ? getSdrDragView().GetMarkedPointsRect() :
 218            getSdrDragView().eDragHdl==HDL_GLUE ? getSdrDragView().GetMarkedGluePointsRect() :
 219            getSdrDragView().GetMarkedObjRect();
 220 }
 221
 222 ////////////////////////////////////////////////////////////////////////////////////////////////////
 223 //   SdrDragMove
 224
 225 class SVX_DLLPUBLIC SdrDragMove : public SdrDragMethod
 226 {
 227 private:
 228     long                        nBestXSnap;
 229     long                        nBestYSnap;
 230     bool                        bXSnapped;
 231     bool                        bYSnapped;
 232
 233     void ImpCheckSnap(const Point& rPt);
 234
 235 protected:
 236     virtual void createSdrDragEntryForSdrObject(const SdrObject& rOriginal, sdr::contact::ObjectContact& rObjectContact, bool bModify);
 237
 238 public:
 239     TYPEINFO();
 240     SdrDragMove(SdrDragView& rNewView);
 241
 242     virtual void TakeSdrDragComment(OUString& rStr) const;
 243     virtual bool BeginSdrDrag();
 244     virtual void MoveSdrDrag(const Point& rPnt);
 245     virtual bool EndSdrDrag(bool bCopy);
 246     virtual Pointer GetSdrDragPointer() const;
 247
 248     virtual basegfx::B2DHomMatrix getCurrentTransformation();
 249     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget);
 250 };
 251
 252 ////////////////////////////////////////////////////////////////////////////////////////////////////
 253 //   SdrDragResize
 254
 255 class SVX_DLLPUBLIC SdrDragResize : public SdrDragMethod
 256 {
 257 protected:
 258     Fraction                    aXFact;
 259     Fraction                    aYFact;
 260
 261 public:
 262     TYPEINFO();
 263     SdrDragResize(SdrDragView& rNewView);
 264
 265     virtual void TakeSdrDragComment(OUString& rStr) const;
 266     virtual bool BeginSdrDrag();
 267     virtual void MoveSdrDrag(const Point& rPnt);
 268     virtual bool EndSdrDrag(bool bCopy);
 269     virtual Pointer GetSdrDragPointer() const;
 270
 271     virtual basegfx::B2DHomMatrix getCurrentTransformation();
 272     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget);
 273 };
 274
 275 ////////////////////////////////////////////////////////////////////////////////////////////////////
 276 //   SdrDragObjOwn
 277
 278 class SVX_DLLPUBLIC SdrDragObjOwn : public SdrDragMethod
 279 {
 280 private:
 281     // SdrDragObjOwn always works on a clone since it has no transformation
 282     // mechanism to modify wireframe visualisations, but uses the
 283     // SdrObject::applySpecialDrag() method to change a clone of the
 284     // SdrObject
 285     SdrObject*                  mpClone;
 286
 287 protected:
 288     virtual void createSdrDragEntries();
 289
 290 public:
 291     TYPEINFO();
 292     SdrDragObjOwn(SdrDragView& rNewView);
 293     virtual ~SdrDragObjOwn();
 294
 295     virtual void TakeSdrDragComment(OUString& rStr) const;
 296     virtual bool BeginSdrDrag();
 297     virtual void MoveSdrDrag(const Point& rPnt);
 298     virtual bool EndSdrDrag(bool bCopy);
 299     virtual Pointer GetSdrDragPointer() const;
 300 };
 301
 302 #endif // INCLUDED_SVX_SVDDRGMT_HXX
 303
 304 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */