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 #if defined(__GNUG__) && !defined(__APPLE__)
  16 #pragma interface "ogldiag.h"
  17 #endif
  18
  19
  20 #if wxUSE_PROLOGIO
  21 #include <wx/deprecated/wxexpr.h>
  22 #endif
  23
  24
  25 class WXDLLIMPEXP_OGL wxDiagram: public wxObject
  26 {
  27  DECLARE_DYNAMIC_CLASS(wxDiagram)
  28
  29 public:
  30
  31   wxDiagram();
  32   virtual ~wxDiagram();
  33
  34   void SetCanvas(wxShapeCanvas *can);
  35
  36   inline wxShapeCanvas *GetCanvas() const { return m_diagramCanvas; }
  37
  38   virtual void Redraw(wxDC& dc);
  39   virtual void Clear(wxDC& dc);
  40   virtual void DrawOutline(wxDC& dc, double x1, double y1, double x2, double y2);
  41
  42   // Add object to end of object list (if addAfter is NULL)
  43   // or just after addAfter.
  44   virtual void AddShape(wxShape *object, wxShape *addAfter = NULL);
  45
  46   // Add object to front of object list
  47   virtual void InsertShape(wxShape *object);
  48
  49   void SetSnapToGrid(bool snap);
  50   void SetGridSpacing(double spacing);
  51   inline double GetGridSpacing() const { return m_gridSpacing; }
  52   inline bool GetSnapToGrid() const { return m_snapToGrid; }
  53   void Snap(double *x, double *y);
  54
  55   inline void SetQuickEditMode(bool qem) { m_quickEditMode = qem; }
  56   inline bool GetQuickEditMode() const { return m_quickEditMode; }
  57
  58   virtual void RemoveShape(wxShape *object);
  59   virtual void RemoveAllShapes();
  60   virtual void DeleteAllShapes();
  61   virtual void ShowAll(bool show);
  62
  63   // Find a shape by its id
  64   wxShape* FindShape(long id) const;
  65
  66   inline void SetMouseTolerance(int tol) { m_mouseTolerance = tol; }
  67   inline int GetMouseTolerance() const { return m_mouseTolerance; }
  68   inline wxList *GetShapeList() const { return m_shapeList; }
  69   inline int GetCount() const { return m_shapeList->GetCount(); }
  70
  71   // Make sure all text that should be centred, is centred.
  72   void RecentreAll(wxDC& dc);
  73
  74 #if wxUSE_PROLOGIO
  75   virtual bool SaveFile(const wxString& filename);
  76   virtual bool LoadFile(const wxString& filename);
  77
  78   virtual void ReadNodes(wxExprDatabase& database);
  79   virtual void ReadLines(wxExprDatabase& database);
  80   virtual void ReadContainerGeometry(wxExprDatabase& database);
  81
  82   // Allow for modifying file
  83   virtual bool OnDatabaseLoad(wxExprDatabase& db);
  84   virtual bool OnDatabaseSave(wxExprDatabase& db);
  85   virtual bool OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
  86   virtual bool OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
  87   virtual bool OnHeaderSave(wxExprDatabase& db, wxExpr& expr);
  88   virtual bool OnHeaderLoad(wxExprDatabase& db, wxExpr& expr);
  89 #endif
  90
  91 protected:
  92   wxShapeCanvas*        m_diagramCanvas;
  93   bool                  m_quickEditMode;
  94   bool                  m_snapToGrid;
  95   double                m_gridSpacing;
  96   int                   m_mouseTolerance;
  97   wxList*               m_shapeList;
  98 };
  99
 100 class WXDLLIMPEXP_OGL wxLineCrossing: public wxObject
 101 {
 102 public:
 103     wxLineCrossing() { m_lineShape1 = NULL; m_lineShape2 = NULL; }
 104     wxRealPoint     m_pt1; // First line
 105     wxRealPoint     m_pt2;
 106     wxRealPoint     m_pt3; // Second line
 107     wxRealPoint     m_pt4;
 108     wxRealPoint     m_intersect;
 109     wxLineShape*    m_lineShape1;
 110     wxLineShape*    m_lineShape2;
 111 };
 112
 113 class WXDLLIMPEXP_OGL wxLineCrossings: public wxObject
 114 {
 115 public:
 116     wxLineCrossings();
 117     ~wxLineCrossings();
 118
 119     void FindCrossings(wxDiagram& diagram);
 120     void DrawCrossings(wxDiagram& diagram, wxDC& dc);
 121     void ClearCrossings();
 122
 123 public:
 124     wxList  m_crossings;
 125 };
 126
 127 #endif
 128  // _OGL_OGLDIAG_H_