include/svx/svddrag.hxx

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  19
  20 #ifndef INCLUDED_SVX_SVDDRAG_HXX
  21 #define INCLUDED_SVX_SVDDRAG_HXX
  22
  23
  24 #include <tools/gen.hxx>
  25 #include <tools/fract.hxx>
  26 #include <svx/svxdllapi.h>
  27
  28 #include <vector>
  29
  30 // Status information for specialized object dragging. In order for the model
  31 // to stay status free, the status data is kept on the View
  32 // and handed over to the object at the appropriate time as a parameter.
  33 // This also includes the status of the operation and Interactive
  34 // Object creation. In this case, pHdl is null.
  35 class SdrHdl;
  36 class SdrView;
  37 class SdrPageView;
  38 class SdrDragMethod;
  39
  40 struct SVX_DLLPUBLIC SdrDragStatUserData
  41 {
  42 };
  43
  44 class SVX_DLLPUBLIC SdrDragStat {
  45 protected:
  46     SdrHdl*  pHdl;      // The Handle for the User
  47     SdrView* pView;
  48     SdrPageView* pPageView;
  49     std::vector<Point*> aPnts; // All previous Points: [0]=Start, [Count()-2]=Prev
  50     Point     aRef1;     // Referencepoint: Resize fixed point, (axis of rotation,
  51     Point     aRef2;     // axis of reflection, ...)
  52     Point     aPos0;     // Position at the last Event
  53     Point     aRealNow;  // Current dragging position without Snap, Ortho and Limit
  54     Rectangle aActionRect;
  55
  56     bool      bEndDragChangesAttributes;
  57     bool      bEndDragChangesGeoAndAttributes;
  58     bool      bMouseIsUp;
  59
  60     bool      bShown;    // Xor visible?
  61     sal_uInt16    nMinMov;   // So much has to be minimally moved first
  62     bool      bMinMoved; // MinMove surpassed?
  63
  64     bool      bHorFixed; // Dragging only vertical
  65     bool      bVerFixed; // Dragging only horizontal
  66     bool      bWantNoSnap; // To decide if pObj-> MovCreate () should use NoSnapPos or not.
  67                           // Therefore, NoSnapPos is written into the buffer.
  68     bool  bOrtho4;
  69     bool  bOrtho8;
  70
  71     SdrDragMethod* pDragMethod;
  72
  73 protected:
  74     void Clear(bool bLeaveOne);
  75     Point& Pnt(sal_uIntPtr nNum)                           { return *aPnts[nNum]; }
  76 //public:
  77     SdrDragStatUserData*    pUser;     // Userdata
  78 public:
  79     SdrDragStat(): aPnts()                           { pUser=NULL; Reset(); }
  80     ~SdrDragStat()                                   { Clear(false); }
  81     void         Reset();
  82     SdrView*     GetView() const                     { return pView; }
  83     void         SetView(SdrView* pV)                { pView=pV; }
  84     SdrPageView* GetPageView() const                 { return pPageView; }
  85     void         SetPageView(SdrPageView* pPV)       { pPageView=pPV; }
  86     const Point& GetPoint(sal_uIntPtr nNum) const    { return *aPnts[nNum]; }
  87     sal_uIntPtr        GetPointAnz() const           { return aPnts.size(); }
  88     const Point& GetStart() const                    { return GetPoint(0); }
  89     Point&       Start()                             { return Pnt(0); }
  90     const Point& GetPrev() const                     { return GetPoint(GetPointAnz()-(GetPointAnz()>=2 ? 2:1)); }
  91     Point& Prev()                                    { return Pnt(GetPointAnz()-(GetPointAnz()>=2 ? 2:1)); }
  92     const Point& GetPos0() const                     { return aPos0;  }
  93     Point&       Pos0()                              { return aPos0;  }
  94     const Point& GetNow() const                      { return GetPoint(GetPointAnz()-1); }
  95     Point&       Now()                               { return Pnt(GetPointAnz()-1); }
  96     const Point& GetRealNow() const                  { return aRealNow; }
  97     Point&       RealNow()                           { return aRealNow; }
  98     const Point& GetRef1() const                     { return aRef1;  }
  99     Point&       Ref1()                              { return aRef1;  }
 100     const Point& GetRef2() const                     { return aRef2;  }
 101     Point&       Ref2()                              { return aRef2;  }
 102     const        SdrHdl* GetHdl() const              { return pHdl;   }
 103     void         SetHdl(SdrHdl* pH)                  { pHdl=pH;       }
 104     SdrDragStatUserData* GetUser() const             { return pUser;  }
 105     void SetUser(SdrDragStatUserData* pU)            { pUser=pU; }
 106     bool         IsShown() const                     { return bShown; }
 107     void         SetShown(bool bOn)                  { bShown=bOn; }
 108
 109     bool         IsMinMoved() const                  { return bMinMoved; }
 110     void         SetMinMoved()                       { bMinMoved=true; }
 111     void         ResetMinMoved()                     { bMinMoved=false; }
 112     void         SetMinMove(sal_uInt16 nDist)            { nMinMov=nDist; if (nMinMov<1) nMinMov=1; }
 113     sal_uInt16       GetMinMove() const                  { return nMinMov; }
 114
 115     bool         IsHorFixed() const                  { return bHorFixed; }
 116     void         SetHorFixed(bool bOn)               { bHorFixed=bOn; }
 117     bool         IsVerFixed() const                  { return bVerFixed; }
 118     void         SetVerFixed(bool bOn)               { bVerFixed=bOn; }
 119
 120     // Here, the object can say: "I do not want to snap to coordinates!"
 121     // for example, the angle of the arc ...
 122     bool         IsNoSnap() const                     { return bWantNoSnap; }
 123     void         SetNoSnap(bool bOn = true)           { bWantNoSnap=bOn; }
 124
 125     // And here the Obj say which Ortho (if there is one) can be usefully applied to him.
 126     // Ortho4 means Ortho in four directions (for Rect and CIRT)
 127     bool         IsOrtho4Possible() const             { return bOrtho4; }
 128     void         SetOrtho4Possible(bool bOn = true)   { bOrtho4=bOn; }
 129     // Ortho8 means Ortho in 8 directions (for lines)
 130     bool         IsOrtho8Possible() const             { return bOrtho8; }
 131     void         SetOrtho8Possible(bool bOn = true)   { bOrtho8=bOn; }
 132
 133     // Is set by an object that was dragged.
 134     bool         IsEndDragChangesAttributes() const    { return bEndDragChangesAttributes; }
 135     void         SetEndDragChangesAttributes(bool bOn) { bEndDragChangesAttributes=bOn; }
 136     bool         IsEndDragChangesGeoAndAttributes() const   { return bEndDragChangesGeoAndAttributes; }
 137     void         SetEndDragChangesGeoAndAttributes(bool bOn) { bEndDragChangesGeoAndAttributes=bOn; }
 138
 139     // Is set by the view and can be evaluated by Obj
 140     bool         IsMouseDown() const                  { return !bMouseIsUp; }
 141     void         SetMouseDown(bool bDown)         { bMouseIsUp=!bDown; }
 142
 143     static Point KorregPos(const Point& rNow, const Point& rPrev);
 144     void  Reset(const Point& rPnt);
 145     void  NextMove(const Point& rPnt);
 146     void  NextPoint(bool bSaveReal=false);
 147     void  PrevPoint();
 148     bool CheckMinMoved(const Point& rPnt);
 149     long  GetDX() const                     { return GetNow().X()-GetPrev().X(); }
 150     long  GetDY() const                     { return GetNow().Y()-GetPrev().Y(); }
 151     Fraction GetXFact() const;
 152     Fraction GetYFact() const;
 153
 154     SdrDragMethod* GetDragMethod() const               { return pDragMethod; }
 155     void           SetDragMethod(SdrDragMethod* pMth)  { pDragMethod=pMth; }
 156
 157     const Rectangle& GetActionRect() const             { return aActionRect; }
 158     void             SetActionRect(const Rectangle& rR) { aActionRect=rR; }
 159
 160     // Also considering 1stPointAsCenter
 161     void TakeCreateRect(Rectangle& rRect) const;
 162 };
 163
 164 #endif // INCLUDED_SVX_SVDDRAG_HXX
 165
 166 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */