contrib/include/wx/ogl/constrnt.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        constrnt.h
   3 // Purpose:     OGL constraint definitions
   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_CONSTRNT_H_
  13 #define _OGL_CONSTRNT_H_
  14
  15
  16 /*
  17  * OGL Constraints
  18  *
  19  */
  20
  21 class WXDLLIMPEXP_OGL wxOGLConstraintType: public wxObject
  22 {
  23  DECLARE_DYNAMIC_CLASS(wxOGLConstraintType)
  24 public:
  25   wxOGLConstraintType(int type = 0, const wxString& name = wxEmptyString,
  26                       const wxString& phrase = wxEmptyString);
  27   ~wxOGLConstraintType();
  28
  29 public:
  30   int           m_type;     // E.g. gyCONSTRAINT_CENTRED_VERTICALLY
  31   wxString      m_name;     // E.g. "Centre vertically"
  32   wxString      m_phrase;   // E.g. "centred vertically with respect to", "left of"
  33
  34 };
  35
  36 extern wxList* wxOGLConstraintTypes;
  37
  38 #define gyCONSTRAINT_CENTRED_VERTICALLY   1
  39 #define gyCONSTRAINT_CENTRED_HORIZONTALLY 2
  40 #define gyCONSTRAINT_CENTRED_BOTH         3
  41 #define gyCONSTRAINT_LEFT_OF              4
  42 #define gyCONSTRAINT_RIGHT_OF             5
  43 #define gyCONSTRAINT_ABOVE                6
  44 #define gyCONSTRAINT_BELOW                7
  45 #define gyCONSTRAINT_ALIGNED_TOP          8
  46 #define gyCONSTRAINT_ALIGNED_BOTTOM       9
  47 #define gyCONSTRAINT_ALIGNED_LEFT         10
  48 #define gyCONSTRAINT_ALIGNED_RIGHT        11
  49
  50 // Like aligned, but with the objects centred on the respective edge
  51 // of the reference object.
  52 #define gyCONSTRAINT_MIDALIGNED_TOP       12
  53 #define gyCONSTRAINT_MIDALIGNED_BOTTOM    13
  54 #define gyCONSTRAINT_MIDALIGNED_LEFT      14
  55 #define gyCONSTRAINT_MIDALIGNED_RIGHT     15
  56
  57 class WXDLLIMPEXP_OGL wxOGLConstraint: public wxObject
  58 {
  59  DECLARE_DYNAMIC_CLASS(wxOGLConstraint)
  60  public:
  61   wxOGLConstraint() {
  62      m_xSpacing = 0.0; m_ySpacing = 0.0; m_constraintType = 0;
  63      m_constraintName = wxEmptyString; m_constraintId = 0;
  64      m_constrainingObject = NULL; }
  65   wxOGLConstraint(int type, wxShape *constraining, wxList& constrained);
  66   ~wxOGLConstraint();
  67
  68   // Returns true if anything changed
  69   bool Evaluate();
  70   inline void SetSpacing(double x, double y) { m_xSpacing = x; m_ySpacing = y; };
  71   bool Equals(double a, double b);
  72
  73   double         m_xSpacing;
  74   double         m_ySpacing;
  75   int           m_constraintType;
  76   wxString      m_constraintName;
  77   long          m_constraintId;
  78   wxShape*      m_constrainingObject;
  79   wxList        m_constrainedObjects;
  80
  81 };
  82
  83 void OGLInitializeConstraintTypes();
  84 void OGLCleanUpConstraintTypes();
  85
  86 #endif
  87  // _OGL_CONSTRNT_H_