contrib/include/wx/ogl/ogldiag.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        ogldiag.h
   3 // Purpose:     OGL - wxDiagram class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     12/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _OGL_OGLDIAG_H_
  13 #define _OGL_OGLDIAG_H_
  14
  15 #include "wx/ogl/basic.h"
  16
  17 #if wxUSE_PROLOGIO
  18 #include "wx/deprecated/wxexpr.h"
  19 #endif
  20
  21
  22 class WXDLLIMPEXP_OGL wxDiagram: public wxObject
  23 {
  24  DECLARE_DYNAMIC_CLASS(wxDiagram)
  25
  26 public:
  27
  28   wxDiagram();
  29   virtual ~wxDiagram();
  30
  31   void SetCanvas(wxShapeCanvas *can);
  32
  33   inline wxShapeCanvas *GetCanvas() const { return m_diagramCanvas; }
  34
  35   virtual void Redraw(wxDC& dc);
  36   virtual void Clear(wxDC& dc);
  37   virtual void DrawOutline(wxDC& dc, double x1, double y1, double x2, double y2);
  38
  39   // Add object to end of object list (if addAfter is NULL)
  40   // or just after addAfter.
  41   virtual void AddShape(wxShape *object, wxShape *addAfter = NULL);
  42
  43   // Add object to front of object list
  44   virtual void InsertShape(wxShape *object);
  45
  46   void SetSnapToGrid(bool snap);
  47   void SetGridSpacing(double spacing);
  48   inline double GetGridSpacing() const { return m_gridSpacing; }
  49   inline bool GetSnapToGrid() const { return m_snapToGrid; }
  50   void Snap(double *x, double *y);
  51
  52   inline void SetQuickEditMode(bool qem) { m_quickEditMode = qem; }
  53   inline bool GetQuickEditMode() const { return m_quickEditMode; }
  54
  55   virtual void RemoveShape(wxShape *object);
  56   virtual void RemoveAllShapes();
  57   virtual void DeleteAllShapes();
  58   virtual void ShowAll(bool show);
  59
  60   // Find a shape by its id
  61   wxShape* FindShape(long id) const;
  62
  63   inline void SetMouseTolerance(int tol) { m_mouseTolerance = tol; }
  64   inline int GetMouseTolerance() const { return m_mouseTolerance; }
  65   inline wxList *GetShapeList() const { return m_shapeList; }
  66   inline int GetCount() const { return m_shapeList->GetCount(); }
  67
  68   // Make sure all text that should be centred, is centred.
  69   void RecentreAll(wxDC& dc);
  70
  71 #if wxUSE_PROLOGIO
  72   virtual bool SaveFile(const wxString& filename);
  73   virtual bool LoadFile(const wxString& filename);
  74
  75   virtual void ReadNodes(wxExprDatabase& database);
  76   virtual void ReadLines(wxExprDatabase& database);
  77   virtual void ReadContainerGeometry(wxExprDatabase& database);
  78
  79   // Allow for modifying file
  80   virtual bool OnDatabaseLoad(wxExprDatabase& db);
  81   virtual bool OnDatabaseSave(wxExprDatabase& db);
  82   virtual bool OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
  83   virtual bool OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
  84   virtual bool OnHeaderSave(wxExprDatabase& db, wxExpr& expr);
  85   virtual bool OnHeaderLoad(wxExprDatabase& db, wxExpr& expr);
  86 #endif
  87
  88 protected:
  89   wxShapeCanvas*        m_diagramCanvas;
  90   bool                  m_quickEditMode;
  91   bool                  m_snapToGrid;
  92   double                m_gridSpacing;
  93   int                   m_mouseTolerance;
  94   wxList*               m_shapeList;
  95 };
  96
  97 class WXDLLIMPEXP_OGL wxLineCrossing: public wxObject
  98 {
  99 public:
 100     wxLineCrossing() { m_lineShape1 = NULL; m_lineShape2 = NULL; }
 101     wxRealPoint     m_pt1; // First line
 102     wxRealPoint     m_pt2;
 103     wxRealPoint     m_pt3; // Second line
 104     wxRealPoint     m_pt4;
 105     wxRealPoint     m_intersect;
 106     wxLineShape*    m_lineShape1;
 107     wxLineShape*    m_lineShape2;
 108 };
 109
 110 class WXDLLIMPEXP_OGL wxLineCrossings: public wxObject
 111 {
 112 public:
 113     wxLineCrossings();
 114     ~wxLineCrossings();
 115
 116     void FindCrossings(wxDiagram& diagram);
 117     void DrawCrossings(wxDiagram& diagram, wxDC& dc);
 118     void ClearCrossings();
 119
 120 public:
 121     wxList  m_crossings;
 122 };
 123
 124 #endif
 125  // _OGL_OGLDIAG_H_