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