src/mac/spinbutt.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        spinbutt.cpp
   3 // Purpose:     wxSpinButton
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "spinbutt.h"
  14 #endif
  15
  16 #include "wx/spinbutt.h"
  17 #include "wx/mac/uma.h"
  18
  19 // ============================================================================
  20 // implementation
  21 // ============================================================================
  22
  23 // ----------------------------------------------------------------------------
  24 // wxWin macros
  25 // ----------------------------------------------------------------------------
  26
  27 #if !USE_SHARED_LIBRARY
  28     IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  29     IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent);
  30 #endif
  31
  32 bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  33             long style, const wxString& name)
  34 {
  35     m_min = 0;
  36     m_max = 100;
  37
  38   if (!parent)
  39       return FALSE;
  40
  41         Rect bounds ;
  42         Str255 title ;
  43
  44         MacPreControlCreate( parent , id ,  "" , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
  45
  46         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , 0 , 100,
  47                 kControlLittleArrowsProc , (long) this ) ;
  48
  49         wxASSERT_MSG( m_macControl != NULL , "No valid mac control" ) ;
  50
  51         MacPostControlCreate() ;
  52
  53   return TRUE;
  54 }
  55
  56 wxSpinButton::~wxSpinButton()
  57 {
  58 }
  59
  60 // Attributes
  61 ////////////////////////////////////////////////////////////////////////////
  62
  63 int wxSpinButton::GetValue() const
  64 {
  65     return m_value;
  66 }
  67
  68 void wxSpinButton::SetValue(int val)
  69 {
  70         m_value = val ;
  71   wxScrollEvent event(wxEVT_SCROLL_THUMBTRACK, m_windowId);
  72
  73   event.SetPosition(m_value);
  74   event.SetEventObject( this );
  75   GetEventHandler()->ProcessEvent(event);
  76 }
  77
  78 void wxSpinButton::SetRange(int minVal, int maxVal)
  79 {
  80         m_min = minVal;
  81         m_max = maxVal;
  82 }
  83
  84 void wxSpinButton::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
  85 {
  86         if ( m_macControl == NULL )
  87                 return ;
  88
  89   wxEventType scrollEvent = wxEVT_NULL;
  90   int nScrollInc;
  91
  92         switch( controlpart )
  93         {
  94                 case kControlUpButtonPart :
  95         nScrollInc = 1;
  96         scrollEvent = wxEVT_SCROLL_LINEUP;
  97                         break ;
  98                 case kControlDownButtonPart :
  99         nScrollInc = -1;
 100         scrollEvent = wxEVT_SCROLL_LINEDOWN;
 101                         break ;
 102         }
 103
 104   m_value = m_value + nScrollInc;
 105
 106   if (m_value < m_min)
 107   {
 108         if ( m_windowStyle & wxSP_WRAP )
 109       m_value = m_max;
 110         else
 111       m_value = m_min;
 112   }
 113
 114   if (m_value > m_max)
 115   {
 116         if ( m_windowStyle & wxSP_WRAP )
 117       m_value = m_min;
 118     else
 119       m_value = m_max;
 120   }
 121
 122   wxScrollEvent event(scrollEvent, m_windowId);
 123
 124   event.SetPosition(m_value);
 125   event.SetEventObject( this );
 126   GetEventHandler()->ProcessEvent(event);
 127 }
 128
 129 // ----------------------------------------------------------------------------
 130 // size calculation
 131 // ----------------------------------------------------------------------------
 132
 133 wxSize wxSpinButton::DoGetBestSize()
 134 {
 135     if ( (GetWindowStyle() & wxSP_VERTICAL) != 0 )
 136     {
 137         // vertical control
 138         return wxSize(16,
 139                       2*16);
 140     }
 141     else
 142     {
 143         // horizontal control
 144         return wxSize(2*16,
 145                       16);
 146     }
 147 }
 148