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