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 #include <memory>
  27
  28 class SdrDragView;
  29 class SdrDragStat;
  30
  31 class SAL_DLLPUBLIC_RTTI SdrDragEntry
  32 {
  33 private:
  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::Primitive2DContainer createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod) = 0;
  45
  46     // data read access
  47     bool getAddToTransparent() const { return mbAddToTransparent; }
  48 };
  49
  50
  51 class SVXCORE_DLLPUBLIC SdrDragEntryPolyPolygon final : public SdrDragEntry
  52 {
  53 private:
  54     basegfx::B2DPolyPolygon             maOriginalPolyPolygon;
  55
  56 public:
  57     SdrDragEntryPolyPolygon(basegfx::B2DPolyPolygon aOriginalPolyPolygon);
  58     virtual ~SdrDragEntryPolyPolygon() override;
  59
  60     virtual drawinglayer::primitive2d::Primitive2DContainer createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod) override;
  61 };
  62
  63
  64 class SdrDragEntrySdrObject final : public SdrDragEntry
  65 {
  66 private:
  67     const SdrObject&                                maOriginal;
  68     rtl::Reference<SdrObject>                       mxClone;
  69     bool                                            mbModify;
  70
  71 public:
  72     SdrDragEntrySdrObject(
  73         const SdrObject& rOriginal,
  74         bool bModify);
  75     virtual ~SdrDragEntrySdrObject() override;
  76
  77     // #i54102# Split createPrimitive2DSequenceInCurrentState in prepareCurrentState and processing,
  78     // added accessors to original and clone
  79     void prepareCurrentState(SdrDragMethod& rDragMethod);
  80     const SdrObject& getOriginal() const { return maOriginal; }
  81     SdrObject* getClone() { return mxClone.get(); }
  82
  83     virtual drawinglayer::primitive2d::Primitive2DContainer createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod) override;
  84 };
  85
  86
  87 class SdrDragEntryPrimitive2DSequence final : public SdrDragEntry
  88 {
  89 private:
  90     drawinglayer::primitive2d::Primitive2DContainer  maPrimitive2DSequence;
  91
  92 public:
  93     SdrDragEntryPrimitive2DSequence(drawinglayer::primitive2d::Primitive2DContainer&& rSequence);
  94     virtual ~SdrDragEntryPrimitive2DSequence() override;
  95
  96     virtual drawinglayer::primitive2d::Primitive2DContainer createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod) override;
  97 };
  98
  99
 100 class SdrDragEntryPointGlueDrag final : public SdrDragEntry
 101 {
 102 private:
 103     std::vector< basegfx::B2DPoint >                maPositions;
 104     bool                                            mbIsPointDrag;
 105
 106 public:
 107     SdrDragEntryPointGlueDrag(std::vector< basegfx::B2DPoint >&& rPositions, bool bIsPointDrag);
 108     virtual ~SdrDragEntryPointGlueDrag() override;
 109
 110     virtual drawinglayer::primitive2d::Primitive2DContainer createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod) override;
 111 };
 112
 113
 114 class SVXCORE_DLLPUBLIC SdrDragMethod
 115 {
 116 private:
 117     std::vector< std::unique_ptr<SdrDragEntry> > maSdrDragEntries;
 118     sdr::overlay::OverlayObjectList         maOverlayObjectList;
 119     SdrDragView&                            mrSdrDragView;
 120
 121     bool                                    mbMoveOnly : 1;
 122     bool                                    mbSolidDraggingActive : 1;
 123     bool                                    mbShiftPressed : 1;
 124
 125 protected:
 126     // access for derivated classes to maSdrDragEntries
 127     SAL_DLLPRIVATE void clearSdrDragEntries();
 128     void addSdrDragEntry(std::unique_ptr<SdrDragEntry> pNew);
 129     virtual void createSdrDragEntries();
 130     virtual void createSdrDragEntryForSdrObject(const SdrObject& rOriginal);
 131
 132     // Helper to support inserting a new OverlayObject. It will do all
 133     // necessary stuff involved with that:
 134     // - add GridOffset for non-linear ViewToDevice transformation (calc)
 135     // - add to OverlayManager
 136     // - add to local OverlayObjectList - ownership change (!)
 137     // It is centralized here (and protected) to avoid that new usages/
 138     // implementations forget one of these needed steps.
 139     void insertNewlyCreatedOverlayObjectForSdrDragMethod(
 140         std::unique_ptr<sdr::overlay::OverlayObject> pOverlayObject,
 141         const sdr::contact::ObjectContact& rObjectContact,
 142         sdr::overlay::OverlayManager& rOverlayManager);
 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     SAL_DLLPRIVATE void createSdrDragEntries_SolidDrag();
 154     SAL_DLLPRIVATE void createSdrDragEntries_PolygonDrag();
 155     SAL_DLLPRIVATE void createSdrDragEntries_PointDrag();
 156     SAL_DLLPRIVATE void createSdrDragEntries_GlueDrag();
 157
 158     // old call forwarders to the SdrDragView
 159     SAL_DLLPRIVATE OUString           ImpGetDescriptionStr(TranslateId pStrCacheID) const;
 160     SdrHdl*            GetDragHdl() const              { return getSdrDragView().mpDragHdl; }
 161     SdrHdlKind         GetDragHdlKind() const          { return getSdrDragView().meDragHdl; }
 162     SdrDragStat&       DragStat()                      { return getSdrDragView().maDragStat; }
 163     const SdrDragStat& DragStat() const                { return getSdrDragView().maDragStat; }
 164     Point&             Ref1() const                    { return mrSdrDragView.maRef1; }
 165     Point&             Ref2() const                    { return mrSdrDragView.maRef2; }
 166     const SdrHdlList&  GetHdlList() const              { return getSdrDragView().GetHdlList(); }
 167     void               AddUndo(std::unique_ptr<SdrUndoAction> pUndo) { getSdrDragView().AddUndo(std::move(pUndo)); }
 168     bool               IsDragLimit()                   { return getSdrDragView().mbDragLimit; }
 169     const tools::Rectangle&   GetDragLimitRect()              { return getSdrDragView().maDragLimit; }
 170     const SdrMarkList& GetMarkedObjectList()                   { return getSdrDragView().GetMarkedObjectList(); }
 171     Point              GetSnapPos(const Point& rPt) const { return getSdrDragView().GetSnapPos(rPt,getSdrDragView().mpMarkedPV); }
 172     SdrSnap            SnapPos(Point& rPt) const       { return getSdrDragView().SnapPos(rPt,getSdrDragView().mpMarkedPV); }
 173     inline const tools::Rectangle& GetMarkedRect() const;
 174     SAL_DLLPRIVATE SdrPageView*       GetDragPV() const;
 175     SdrObject*         GetDragObj() const;
 176     bool               IsDraggingPoints() const        { return getSdrDragView().IsDraggingPoints(); }
 177     bool               IsDraggingGluePoints() const    { return getSdrDragView().IsDraggingGluePoints(); }
 178
 179     SAL_DLLPRIVATE bool DoAddConnectorOverlays();
 180     SAL_DLLPRIVATE drawinglayer::primitive2d::Primitive2DContainer AddConnectorOverlays();
 181
 182 public:
 183
 184     SAL_DLLPRIVATE void resetSdrDragEntries();
 185     SAL_DLLPRIVATE basegfx::B2DRange getCurrentRange() const;
 186
 187     // #i58950# also moved constructor implementation to cxx
 188     SdrDragMethod(SdrDragView& rNewView);
 189
 190     // #i58950# virtual destructor was missing
 191     virtual ~SdrDragMethod();
 192
 193     void Show();
 194     void Hide();
 195     bool IsShiftPressed() const { return mbShiftPressed; }
 196     void SetShiftPressed(bool bShiftPressed) { mbShiftPressed = bShiftPressed; }
 197     virtual OUString GetSdrDragComment() const=0;
 198     virtual bool BeginSdrDrag()=0;
 199     virtual void MoveSdrDrag(const Point& rPnt)=0;
 200     virtual bool EndSdrDrag(bool bCopy)=0;
 201     virtual void CancelSdrDrag();
 202     virtual PointerStyle GetSdrDragPointer() const=0;
 203
 204     virtual void CreateOverlayGeometry(
 205         sdr::overlay::OverlayManager& rOverlayManager,
 206         const sdr::contact::ObjectContact& rObjectContact);
 207     SAL_DLLPRIVATE void destroyOverlayGeometry();
 208
 209     virtual basegfx::B2DHomMatrix getCurrentTransformation() const;
 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 tools::Rectangle& SdrDragMethod::GetMarkedRect() const
 219 {
 220     return getSdrDragView().meDragHdl==SdrHdlKind::Poly ? getSdrDragView().GetMarkedPointsRect() :
 221            getSdrDragView().meDragHdl==SdrHdlKind::Glue ? getSdrDragView().GetMarkedGluePointsRect() :
 222            getSdrDragView().GetMarkedObjRect();
 223 }
 224
 225
 226 //   SdrDragMove
 227
 228 class SVXCORE_DLLPUBLIC SdrDragMove : public SdrDragMethod
 229 {
 230 private:
 231     tools::Long                        nBestXSnap;
 232     tools::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) override;
 240
 241 public:
 242     SdrDragMove(SdrDragView& rNewView);
 243
 244     virtual OUString GetSdrDragComment() const override;
 245     virtual bool BeginSdrDrag() override;
 246     virtual void MoveSdrDrag(const Point& rPnt) override;
 247     virtual bool EndSdrDrag(bool bCopy) override;
 248     virtual PointerStyle GetSdrDragPointer() const override;
 249
 250     virtual basegfx::B2DHomMatrix getCurrentTransformation() const override;
 251     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget) override;
 252 };
 253
 254
 255 //   SdrDragResize
 256
 257 class SVXCORE_DLLPUBLIC SdrDragResize : public SdrDragMethod
 258 {
 259 protected:
 260     Fraction                    aXFact;
 261     Fraction                    aYFact;
 262
 263 public:
 264     SdrDragResize(SdrDragView& rNewView);
 265
 266     virtual OUString GetSdrDragComment() const override;
 267     virtual bool BeginSdrDrag() override;
 268     virtual void MoveSdrDrag(const Point& rPnt) override;
 269     virtual bool EndSdrDrag(bool bCopy) override;
 270     virtual PointerStyle GetSdrDragPointer() const override;
 271
 272     virtual basegfx::B2DHomMatrix getCurrentTransformation() const override;
 273     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget) override;
 274 };
 275
 276
 277 //   SdrDragObjOwn
 278
 279 class SVXCORE_DLLPUBLIC SdrDragObjOwn : public SdrDragMethod
 280 {
 281 private:
 282     // SdrDragObjOwn always works on a clone since it has no transformation
 283     // mechanism to modify wireframe visualisations, but uses the
 284     // SdrObject::applySpecialDrag() method to change a clone of the
 285     // SdrObject
 286     rtl::Reference<SdrObject>               mxClone;
 287
 288 protected:
 289     virtual void createSdrDragEntries() override;
 290
 291 public:
 292     SdrDragObjOwn(SdrDragView& rNewView);
 293     virtual ~SdrDragObjOwn() override;
 294
 295     virtual OUString GetSdrDragComment() const override;
 296     virtual bool BeginSdrDrag() override;
 297     virtual void MoveSdrDrag(const Point& rPnt) override;
 298     virtual bool EndSdrDrag(bool bCopy) override;
 299     virtual PointerStyle GetSdrDragPointer() const override;
 300 };
 301
 302 #endif // INCLUDED_SVX_SVDDRGMT_HXX
 303
 304 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */