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