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     IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  28     IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent);
  29
  30 bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  31             long style, const wxString& name)
  32 {
  33     m_min = 0;
  34     m_max = 100;
  35
  36   if (!parent)
  37       return FALSE;
  38
  39         Rect bounds ;
  40         Str255 title ;
  41
  42         MacPreControlCreate( parent , id ,  "" , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
  43
  44         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , 0 , 100,
  45                 kControlLittleArrowsProc , (long) this ) ;
  46
  47         wxASSERT_MSG( m_macControl != NULL , "No valid mac control" ) ;
  48
  49         MacPostControlCreate() ;
  50
  51   return TRUE;
  52 }
  53
  54 wxSpinButton::~wxSpinButton()
  55 {
  56 }
  57
  58 // Attributes
  59 ////////////////////////////////////////////////////////////////////////////
  60
  61 int wxSpinButton::GetValue() const
  62 {
  63     return m_value;
  64 }
  65
  66 void wxSpinButton::SetValue(int val)
  67 {
  68         m_value = val ;
  69   wxScrollEvent event(wxEVT_SCROLL_THUMBTRACK, m_windowId);
  70
  71   event.SetPosition(m_value);
  72   event.SetEventObject( this );
  73   GetEventHandler()->ProcessEvent(event);
  74 }
  75
  76 void wxSpinButton::SetRange(int minVal, int maxVal)
  77 {
  78         m_min = minVal;
  79         m_max = maxVal;
  80 }
  81
  82 void wxSpinButton::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
  83 {
  84         if ( m_macControl == NULL )
  85                 return ;
  86
  87   wxEventType scrollEvent = wxEVT_NULL;
  88   int nScrollInc;
  89
  90         switch( controlpart )
  91         {
  92                 case kControlUpButtonPart :
  93         nScrollInc = 1;
  94         scrollEvent = wxEVT_SCROLL_LINEUP;
  95                         break ;
  96                 case kControlDownButtonPart :
  97         nScrollInc = -1;
  98         scrollEvent = wxEVT_SCROLL_LINEDOWN;
  99                         break ;
 100         }
 101
 102   m_value = m_value + nScrollInc;
 103
 104   if (m_value < m_min)
 105   {
 106         if ( m_windowStyle & wxSP_WRAP )
 107       m_value = m_max;
 108         else
 109       m_value = m_min;
 110   }
 111
 112   if (m_value > m_max)
 113   {
 114         if ( m_windowStyle & wxSP_WRAP )
 115       m_value = m_min;
 116     else
 117       m_value = m_max;
 118   }
 119
 120   wxScrollEvent event(scrollEvent, m_windowId);
 121
 122   event.SetPosition(m_value);
 123   event.SetEventObject( this );
 124   GetEventHandler()->ProcessEvent(event);
 125 }
 126
 127 // ----------------------------------------------------------------------------
 128 // size calculation
 129 // ----------------------------------------------------------------------------
 130
 131 wxSize wxSpinButton::DoGetBestSize() const
 132 {
 133     if ( (GetWindowStyle() & wxSP_VERTICAL) != 0 )
 134     {
 135         // vertical control
 136         return wxSize(16,
 137                       2*16);
 138     }
 139     else
 140     {
 141         // horizontal control
 142         return wxSize(2*16,
 143                       16);
 144     }
 145 }
 146