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 SVX_DLLPUBLIC SdrDragEntryPolyPolygon final : public SdrDragEntry
  52 {
  53 private:
  54     basegfx::B2DPolyPolygon const        maOriginalPolyPolygon;
  55
  56 public:
  57     SdrDragEntryPolyPolygon(const basegfx::B2DPolyPolygon& rOriginalPolyPolygon);
  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     SdrObjectUniquePtr                              mxClone;
  69     bool const                                      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 const  maPrimitive2DSequence;
  91
  92 public:
  93     SdrDragEntryPrimitive2DSequence(
  94         const drawinglayer::primitive2d::Primitive2DContainer& rSequence);
  95     virtual ~SdrDragEntryPrimitive2DSequence() override;
  96
  97     virtual drawinglayer::primitive2d::Primitive2DContainer createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod) override;
  98 };
  99
 100
 101 class SdrDragEntryPointGlueDrag final : public SdrDragEntry
 102 {
 103 private:
 104     std::vector< basegfx::B2DPoint > const                maPositions;
 105     bool const                                            mbIsPointDrag;
 106
 107 public:
 108     SdrDragEntryPointGlueDrag(const std::vector< basegfx::B2DPoint >& rPositions, bool bIsPointDrag);
 109     virtual ~SdrDragEntryPointGlueDrag() override;
 110
 111     virtual drawinglayer::primitive2d::Primitive2DContainer createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod) override;
 112 };
 113
 114
 115 class SVX_DLLPUBLIC SdrDragMethod
 116 {
 117 private:
 118     std::vector< std::unique_ptr<SdrDragEntry> > maSdrDragEntries;
 119     sdr::overlay::OverlayObjectList         maOverlayObjectList;
 120     SdrDragView&                            mrSdrDragView;
 121
 122     bool                                    mbMoveOnly : 1;
 123     bool                                    mbSolidDraggingActive : 1;
 124     bool                                    mbShiftPressed : 1;
 125
 126 protected:
 127     // access for derivated classes to maSdrDragEntries
 128     void clearSdrDragEntries();
 129     void addSdrDragEntry(std::unique_ptr<SdrDragEntry> pNew);
 130     virtual void createSdrDragEntries();
 131     virtual void createSdrDragEntryForSdrObject(const SdrObject& rOriginal);
 132
 133     // Helper to support inserting a new OverlayObject. It will do all
 134     // necessary stuff involved with that:
 135     // - add GridOffset for non-linear ViewToDevice transformation (calc)
 136     // - add to OverlayManager
 137     // - add to local OverlayObjectList - ownership change (!)
 138     // It is centralized here (and protected) to avoid that new usages/
 139     // implementations forget one of these needed steps.
 140     void insertNewlyCreatedOverlayObjectForSdrDragMethod(
 141         std::unique_ptr<sdr::overlay::OverlayObject> pOverlayObject,
 142         const sdr::contact::ObjectContact& rObjectContact,
 143         sdr::overlay::OverlayManager& rOverlayManager);
 144
 145     // access for derivated classes to mrSdrDragView
 146     SdrDragView& getSdrDragView() { return mrSdrDragView; }
 147     const SdrDragView& getSdrDragView() const { return mrSdrDragView; }
 148
 149     // access for derivated classes for bools
 150     void setMoveOnly(bool bNew) { mbMoveOnly = bNew; }
 151     void setSolidDraggingActive(bool bNew) { mbSolidDraggingActive = bNew; }
 152
 153     // internal helpers for creation of standard drag entries
 154     void createSdrDragEntries_SolidDrag();
 155     void createSdrDragEntries_PolygonDrag();
 156     void createSdrDragEntries_PointDrag();
 157     void createSdrDragEntries_GlueDrag();
 158
 159     // old call forwarders to the SdrDragView
 160     OUString           ImpGetDescriptionStr(const char* pStrCacheID) const;
 161     SdrHdl*            GetDragHdl() const              { return getSdrDragView().mpDragHdl; }
 162     SdrHdlKind         GetDragHdlKind() const          { return getSdrDragView().meDragHdl; }
 163     SdrDragStat&       DragStat()                      { return getSdrDragView().maDragStat; }
 164     const SdrDragStat& DragStat() const                { return getSdrDragView().maDragStat; }
 165     Point&             Ref1() const                    { return mrSdrDragView.maRef1; }
 166     Point&             Ref2() const                    { return mrSdrDragView.maRef2; }
 167     const SdrHdlList&  GetHdlList() const              { return getSdrDragView().GetHdlList(); }
 168     void               AddUndo(std::unique_ptr<SdrUndoAction> pUndo) { getSdrDragView().AddUndo(std::move(pUndo)); }
 169     bool               IsDragLimit()                   { return getSdrDragView().mbDragLimit; }
 170     const tools::Rectangle&   GetDragLimitRect()              { return getSdrDragView().maDragLimit; }
 171     const SdrMarkList& GetMarkedObjectList()                   { return getSdrDragView().GetMarkedObjectList(); }
 172     Point              GetSnapPos(const Point& rPt) const { return getSdrDragView().GetSnapPos(rPt,getSdrDragView().mpMarkedPV); }
 173     SdrSnap            SnapPos(Point& rPt) const       { return getSdrDragView().SnapPos(rPt,getSdrDragView().mpMarkedPV); }
 174     inline const tools::Rectangle& GetMarkedRect() const;
 175     SdrPageView*       GetDragPV() const;
 176     SdrObject*         GetDragObj() const;
 177     bool               IsDraggingPoints() const        { return getSdrDragView().IsDraggingPoints(); }
 178     bool               IsDraggingGluePoints() const    { return getSdrDragView().IsDraggingGluePoints(); }
 179
 180     bool DoAddConnectorOverlays();
 181     drawinglayer::primitive2d::Primitive2DContainer AddConnectorOverlays();
 182
 183 public:
 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     bool IsShiftPressed() const { return mbShiftPressed; }
 197     void SetShiftPressed(bool bShiftPressed) { mbShiftPressed = bShiftPressed; }
 198     virtual OUString GetSdrDragComment() const=0;
 199     virtual bool BeginSdrDrag()=0;
 200     virtual void MoveSdrDrag(const Point& rPnt)=0;
 201     virtual bool EndSdrDrag(bool bCopy)=0;
 202     virtual void CancelSdrDrag();
 203     virtual PointerStyle GetSdrDragPointer() const=0;
 204
 205     virtual void CreateOverlayGeometry(
 206         sdr::overlay::OverlayManager& rOverlayManager,
 207         const sdr::contact::ObjectContact& rObjectContact);
 208     void destroyOverlayGeometry();
 209
 210     virtual basegfx::B2DHomMatrix getCurrentTransformation();
 211     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget);
 212     virtual void applyCurrentTransformationToPolyPolygon(basegfx::B2DPolyPolygon& rTarget);
 213
 214     // data read access
 215     bool getMoveOnly() const { return mbMoveOnly; }
 216     bool getSolidDraggingActive() const { return mbSolidDraggingActive; }
 217 };
 218
 219 inline const tools::Rectangle& SdrDragMethod::GetMarkedRect() const
 220 {
 221     return getSdrDragView().meDragHdl==SdrHdlKind::Poly ? getSdrDragView().GetMarkedPointsRect() :
 222            getSdrDragView().meDragHdl==SdrHdlKind::Glue ? getSdrDragView().GetMarkedGluePointsRect() :
 223            getSdrDragView().GetMarkedObjRect();
 224 }
 225
 226
 227 //   SdrDragMove
 228
 229 class SVX_DLLPUBLIC SdrDragMove : public SdrDragMethod
 230 {
 231 private:
 232     long                        nBestXSnap;
 233     long                        nBestYSnap;
 234     bool                        bXSnapped;
 235     bool                        bYSnapped;
 236
 237     void ImpCheckSnap(const Point& rPt);
 238
 239 protected:
 240     virtual void createSdrDragEntryForSdrObject(const SdrObject& rOriginal) override;
 241
 242 public:
 243     SdrDragMove(SdrDragView& rNewView);
 244
 245     virtual OUString GetSdrDragComment() const override;
 246     virtual bool BeginSdrDrag() override;
 247     virtual void MoveSdrDrag(const Point& rPnt) override;
 248     virtual bool EndSdrDrag(bool bCopy) override;
 249     virtual PointerStyle GetSdrDragPointer() const override;
 250
 251     virtual basegfx::B2DHomMatrix getCurrentTransformation() override;
 252     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget) 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     SdrDragResize(SdrDragView& rNewView);
 266
 267     virtual OUString GetSdrDragComment() const override;
 268     virtual bool BeginSdrDrag() override;
 269     virtual void MoveSdrDrag(const Point& rPnt) override;
 270     virtual bool EndSdrDrag(bool bCopy) override;
 271     virtual PointerStyle GetSdrDragPointer() const override;
 272
 273     virtual basegfx::B2DHomMatrix getCurrentTransformation() override;
 274     virtual void applyCurrentTransformationToSdrObject(SdrObject& rTarget) override;
 275 };
 276
 277
 278 //   SdrDragObjOwn
 279
 280 class SVX_DLLPUBLIC SdrDragObjOwn : public SdrDragMethod
 281 {
 282 private:
 283     // SdrDragObjOwn always works on a clone since it has no transformation
 284     // mechanism to modify wireframe visualisations, but uses the
 285     // SdrObject::applySpecialDrag() method to change a clone of the
 286     // SdrObject
 287     SdrObjectUniquePtr               mxClone;
 288
 289 protected:
 290     virtual void createSdrDragEntries() override;
 291
 292 public:
 293     SdrDragObjOwn(SdrDragView& rNewView);
 294     virtual ~SdrDragObjOwn() override;
 295
 296     virtual OUString GetSdrDragComment() const override;
 297     virtual bool BeginSdrDrag() override;
 298     virtual void MoveSdrDrag(const Point& rPnt) override;
 299     virtual bool EndSdrDrag(bool bCopy) override;
 300     virtual PointerStyle GetSdrDragPointer() const override;
 301 };
 302
 303 #endif // INCLUDED_SVX_SVDDRGMT_HXX
 304
 305 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */