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 #if defined(__GNUG__) && !defined(__APPLE__)
  16 #pragma interface "constrnt.h"
  17 #endif
  18
  19
  20 /*
  21  * OGL Constraints
  22  *
  23  */
  24
  25 class WXDLLIMPEXP_OGL wxOGLConstraintType: public wxObject
  26 {
  27  DECLARE_DYNAMIC_CLASS(wxOGLConstraintType)
  28 public:
  29   wxOGLConstraintType(int type = 0, const wxString& name = wxEmptyString,
  30                       const wxString& phrase = wxEmptyString);
  31   ~wxOGLConstraintType();
  32
  33 public:
  34   int           m_type;     // E.g. gyCONSTRAINT_CENTRED_VERTICALLY
  35   wxString      m_name;     // E.g. "Centre vertically"
  36   wxString      m_phrase;   // E.g. "centred vertically with respect to", "left of"
  37
  38 };
  39
  40 extern wxList* wxOGLConstraintTypes;
  41
  42 #define gyCONSTRAINT_CENTRED_VERTICALLY   1
  43 #define gyCONSTRAINT_CENTRED_HORIZONTALLY 2
  44 #define gyCONSTRAINT_CENTRED_BOTH         3
  45 #define gyCONSTRAINT_LEFT_OF              4
  46 #define gyCONSTRAINT_RIGHT_OF             5
  47 #define gyCONSTRAINT_ABOVE                6
  48 #define gyCONSTRAINT_BELOW                7
  49 #define gyCONSTRAINT_ALIGNED_TOP          8
  50 #define gyCONSTRAINT_ALIGNED_BOTTOM       9
  51 #define gyCONSTRAINT_ALIGNED_LEFT         10
  52 #define gyCONSTRAINT_ALIGNED_RIGHT        11
  53
  54 // Like aligned, but with the objects centred on the respective edge
  55 // of the reference object.
  56 #define gyCONSTRAINT_MIDALIGNED_TOP       12
  57 #define gyCONSTRAINT_MIDALIGNED_BOTTOM    13
  58 #define gyCONSTRAINT_MIDALIGNED_LEFT      14
  59 #define gyCONSTRAINT_MIDALIGNED_RIGHT     15
  60
  61 class WXDLLIMPEXP_OGL wxOGLConstraint: public wxObject
  62 {
  63  DECLARE_DYNAMIC_CLASS(wxOGLConstraint)
  64  public:
  65   wxOGLConstraint() {
  66      m_xSpacing = 0.0; m_ySpacing = 0.0; m_constraintType = 0;
  67      m_constraintName = wxEmptyString; m_constraintId = 0;
  68      m_constrainingObject = NULL; }
  69   wxOGLConstraint(int type, wxShape *constraining, wxList& constrained);
  70   ~wxOGLConstraint();
  71
  72   // Returns true if anything changed
  73   bool Evaluate();
  74   inline void SetSpacing(double x, double y) { m_xSpacing = x; m_ySpacing = y; };
  75   bool Equals(double a, double b);
  76
  77   double         m_xSpacing;
  78   double         m_ySpacing;
  79   int           m_constraintType;
  80   wxString      m_constraintName;
  81   long          m_constraintId;
  82   wxShape*      m_constrainingObject;
  83   wxList        m_constrainedObjects;
  84
  85 };
  86
  87 void OGLInitializeConstraintTypes();
  88 void OGLCleanUpConstraintTypes();
  89
  90 #endif
  91  // _OGL_CONSTRNT_H_