include/svx/svddrag.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   8  *
   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 _SVDDRAG_HXX
  21 #define _SVDDRAG_HXX
  22
  23
  24 #include <tools/gen.hxx>
  25 #include <tools/fract.hxx>
  26 #include "svx/svxdllapi.h"
  27
  28 // Status information for specialized object dragging. In order for the model
  29 // to stay status free, the status data is kept on the View
  30 // and handed over to the object at the appropriate time as a parameter.
  31 // This also includes the status of the operation and Interactive
  32 // Object creation. In this case, pHdl is null.
  33 class SdrHdl;
  34 class SdrView;
  35 class SdrPageView;
  36 class SdrDragMethod;
  37
  38 struct SVX_DLLPUBLIC SdrDragStatUserData
  39 {
  40 };
  41
  42 class SVX_DLLPUBLIC SdrDragStat {
  43 protected:
  44     SdrHdl*  pHdl;      // Der Handle an dem der User zottelt
  45     SdrView* pView;
  46     SdrPageView* pPageView;
  47     std::vector<Point*> aPnts;    // Alle bisherigen Punkte: [0]=Start, [Count()-2]=Prev
  48     Point     aRef1;     // Referenzpunkt: Resize-Fixpunkt, (Drehachse,
  49     Point     aRef2;     // Spiegelachse, ...)
  50     Point     aPos0;     // Position beim letzten Event
  51     Point     aRealPos0; // Position beim letzten Event
  52     Point     aRealNow;  // Aktuelle Dragposition ohne Snap, Ortho und Limit
  53     Point     aRealLast; // RealPos des letzten Punkts (fuer MinMoved)
  54     Rectangle aActionRect;
  55
  56     // Reserve fuer kompatible Erweiterungen, die sonst inkompatibel wuerden.
  57     Point     aReservePoint1;
  58     Point     aReservePoint2;
  59     Point     aReservePoint3;
  60     Point     aReservePoint4;
  61     Rectangle aReserveRect1;
  62     Rectangle aReserveRect2;
  63     bool      bEndDragChangesAttributes;
  64     bool      bEndDragChangesGeoAndAttributes;
  65     bool      bMouseIsUp;
  66     bool      aReserveBool3;
  67     bool      aReserveBool4;
  68     long      aReserveLong1;
  69     long      aReserveLong2;
  70     long      aReserveLong3;
  71     long      aReserveLong4;
  72     void*     aReservePtr1;
  73     void*     aReservePtr2;
  74     void*     aReservePtr3;
  75     void*     aReservePtr4;
  76
  77     bool      bShown;    // Xor visible?
  78     sal_uInt16    nMinMov;   // So much has to be minimally moved first
  79     bool      bMinMoved; // MinMove surpassed?
  80
  81     bool      bHorFixed; // Dragging only vertical
  82     bool      bVerFixed; // Dragging only horizontal
  83     bool      bWantNoSnap; // To decide if pObj-> MovCreate () should use NoSnapPos or not.
  84                           // Therefore, NoSnapPos is written into the buffer.
  85     bool  bOrtho4;
  86     bool  bOrtho8;
  87
  88     SdrDragMethod* pDragMethod;
  89
  90 protected:
  91     void Clear(bool bLeaveOne);
  92     Point& Pnt(sal_uIntPtr nNum)                           { return *aPnts[nNum]; }
  93 //public:
  94     SdrDragStatUserData*    pUser;     // Userdata
  95 public:
  96     SdrDragStat(): aPnts()                           { pUser=NULL; Reset(); }
  97     ~SdrDragStat()                                   { Clear(sal_False); }
  98     void         Reset();
  99     SdrView*     GetView() const                     { return pView; }
 100     void         SetView(SdrView* pV)                { pView=pV; }
 101     SdrPageView* GetPageView() const                 { return pPageView; }
 102     void         SetPageView(SdrPageView* pPV)       { pPageView=pPV; }
 103     const Point& GetPoint(sal_uIntPtr nNum) const    { return *aPnts[nNum]; }
 104     sal_uIntPtr        GetPointAnz() const           { return aPnts.size(); }
 105     const Point& GetStart() const                    { return GetPoint(0); }
 106     Point&       Start()                             { return Pnt(0); }
 107     const Point& GetPrev() const                     { return GetPoint(GetPointAnz()-(GetPointAnz()>=2 ? 2:1)); }
 108     Point& Prev()                                    { return Pnt(GetPointAnz()-(GetPointAnz()>=2 ? 2:1)); }
 109     const Point& GetPos0() const                     { return aPos0;  }
 110     Point&       Pos0()                              { return aPos0;  }
 111     const Point& GetNow() const                      { return GetPoint(GetPointAnz()-1); }
 112     Point&       Now()                               { return Pnt(GetPointAnz()-1); }
 113     const Point& GetRealNow() const                  { return aRealNow; }
 114     Point&       RealNow()                           { return aRealNow; }
 115     const Point& GetRef1() const                     { return aRef1;  }
 116     Point&       Ref1()                              { return aRef1;  }
 117     const Point& GetRef2() const                     { return aRef2;  }
 118     Point&       Ref2()                              { return aRef2;  }
 119     const        SdrHdl* GetHdl() const              { return pHdl;   }
 120     void         SetHdl(SdrHdl* pH)                  { pHdl=pH;       }
 121     SdrDragStatUserData* GetUser() const             { return pUser;  }
 122     void SetUser(SdrDragStatUserData* pU)            { pUser=pU; }
 123     bool         IsShown() const                     { return bShown; }
 124     void         SetShown(bool bOn)                  { bShown=bOn; }
 125
 126     bool         IsMinMoved() const                  { return bMinMoved; }
 127     void         SetMinMoved()                       { bMinMoved=sal_True; }
 128     void         ResetMinMoved()                     { bMinMoved=sal_False; }
 129     void         SetMinMove(sal_uInt16 nDist)            { nMinMov=nDist; if (nMinMov<1) nMinMov=1; }
 130     sal_uInt16       GetMinMove() const                  { return nMinMov; }
 131
 132     bool         IsHorFixed() const                  { return bHorFixed; }
 133     void         SetHorFixed(bool bOn)               { bHorFixed=bOn; }
 134     bool         IsVerFixed() const                  { return bVerFixed; }
 135     void         SetVerFixed(bool bOn)               { bVerFixed=bOn; }
 136
 137     // Here, the object can say: "I do not want to snap to coordinates!"
 138     // for example, the angle of the arc ...
 139     bool         IsNoSnap() const                     { return bWantNoSnap; }
 140     void         SetNoSnap(bool bOn = true)           { bWantNoSnap=bOn; }
 141
 142     // And here the Obj say which Ortho (if there is one)
 143     // can be usefully applied to him.
 144     // Ortho4 means Ortho in four directions (for Rect and CIRT)
 145     bool         IsOrtho4Possible() const             { return bOrtho4; }
 146     void         SetOrtho4Possible(bool bOn = true)   { bOrtho4=bOn; }
 147     // Ortho8 means Ortho in 8 directions (for lines)
 148     bool         IsOrtho8Possible() const             { return bOrtho8; }
 149     void         SetOrtho8Possible(bool bOn = true)   { bOrtho8=bOn; }
 150
 151     // Is set by an object that was dragged.
 152     bool         IsEndDragChangesAttributes() const    { return bEndDragChangesAttributes; }
 153     void         SetEndDragChangesAttributes(bool bOn) { bEndDragChangesAttributes=bOn; }
 154     bool         IsEndDragChangesGeoAndAttributes() const   { return bEndDragChangesGeoAndAttributes; }
 155     void         SetEndDragChangesGeoAndAttributes(bool bOn) { bEndDragChangesGeoAndAttributes=bOn; }
 156
 157     // Is set by the view and can be evaluated by Obj
 158     bool         IsMouseDown() const                  { return !bMouseIsUp; }
 159     void         SetMouseDown(bool bDown)         { bMouseIsUp=!bDown; }
 160
 161     Point KorregPos(const Point& rNow, const Point& rPrev) const;
 162     void  Reset(const Point& rPnt);
 163     void  NextMove(const Point& rPnt);
 164     void  NextPoint(bool bSaveReal=sal_False);
 165     void  PrevPoint();
 166     bool CheckMinMoved(const Point& rPnt);
 167     long  GetDX() const                     { return GetNow().X()-GetPrev().X(); }
 168     long  GetDY() const                     { return GetNow().Y()-GetPrev().Y(); }
 169     Fraction GetXFact() const;
 170     Fraction GetYFact() const;
 171
 172     SdrDragMethod* GetDragMethod() const               { return pDragMethod; }
 173     void           SetDragMethod(SdrDragMethod* pMth)  { pDragMethod=pMth; }
 174
 175     const Rectangle& GetActionRect() const             { return aActionRect; }
 176     void             SetActionRect(const Rectangle& rR) { aActionRect=rR; }
 177
 178     // also considering 1stPointAsCenter
 179     void TakeCreateRect(Rectangle& rRect) const;
 180 };
 181
 182 #endif //_SVDDRAG_HXX
 183
 184 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */