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 #pragma implementation "spinbuttbase.h"
  15 #endif
  16
  17 #include "wx/spinbutt.h"
  18 #include "wx/mac/uma.h"
  19
  20 // ============================================================================
  21 // implementation
  22 // ============================================================================
  23
  24 // ----------------------------------------------------------------------------
  25 // wxWin macros
  26 // ----------------------------------------------------------------------------
  27
  28 #if !USE_SHARED_LIBRARY
  29     IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  30     IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent);
  31 #endif
  32
  33 wxSpinButton::wxSpinButton()
  34    : wxSpinButtonBase()
  35 {
  36 }
  37
  38 bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  39             long style, const wxString& name)
  40 {
  41     m_min = 0;
  42     m_max = 100;
  43
  44   if (!parent)
  45       return FALSE;
  46
  47         Rect bounds ;
  48         Str255 title ;
  49
  50         MacPreControlCreate( parent , id ,  "" , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
  51
  52         m_macControl = ::NewControl( parent->GetMacRootWindow() , &bounds , title , false , 0 , 0 , 100,
  53                 kControlLittleArrowsProc , (long) this ) ;
  54
  55         wxASSERT_MSG( m_macControl != NULL , "No valid mac control" ) ;
  56
  57         MacPostControlCreate() ;
  58
  59   return TRUE;
  60 }
  61
  62 wxSpinButton::~wxSpinButton()
  63 {
  64 }
  65
  66 // Attributes
  67 ////////////////////////////////////////////////////////////////////////////
  68
  69 int wxSpinButton::GetMin() const
  70 {
  71    return m_min;
  72 }
  73
  74 int wxSpinButton::GetMax() const
  75 {
  76    return m_max;
  77 }
  78
  79 int wxSpinButton::GetValue() const
  80 {
  81     return m_value;
  82 }
  83
  84 void wxSpinButton::SetValue(int val)
  85 {
  86         m_value = val ;
  87 }
  88
  89 void wxSpinButton::SetRange(int minVal, int maxVal)
  90 {
  91         m_min = minVal;
  92         m_max = maxVal;
  93     SetControlMaximum( m_macControl , maxVal ) ;
  94     SetControlMinimum(  m_macControl , minVal ) ;
  95 }
  96
  97 void wxSpinButton::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
  98 {
  99         if ( m_macControl == NULL )
 100                 return ;
 101
 102         int oldValue = m_value ;
 103   wxEventType scrollEvent = wxEVT_NULL;
 104   int nScrollInc = 0;
 105
 106         switch( controlpart )
 107         {
 108                 case kControlUpButtonPart :
 109         nScrollInc = 1;
 110         scrollEvent = wxEVT_SCROLL_LINEUP;
 111                         break ;
 112                 case kControlDownButtonPart :
 113         nScrollInc = -1;
 114         scrollEvent = wxEVT_SCROLL_LINEDOWN;
 115                         break ;
 116         }
 117
 118   m_value = m_value + nScrollInc;
 119
 120   if (m_value < m_min)
 121   {
 122         if ( m_windowStyle & wxSP_WRAP )
 123       m_value = m_max;
 124         else
 125       m_value = m_min;
 126   }
 127
 128   if (m_value > m_max)
 129   {
 130         if ( m_windowStyle & wxSP_WRAP )
 131       m_value = m_min;
 132     else
 133       m_value = m_max;
 134   }
 135
 136   wxSpinEvent event(scrollEvent, m_windowId);
 137
 138   event.SetPosition(m_value);
 139   event.SetEventObject( this );
 140   if ((GetEventHandler()->ProcessEvent( event )) &&
 141         !event.IsAllowed() )
 142   {
 143         m_value = oldValue ;
 144   }
 145   SetControlValue(  m_macControl , m_value ) ;
 146
 147     /* always send a thumbtrack event */
 148     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 149     {
 150         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 151         wxSpinEvent event2( scrollEvent, GetId());
 152         event2.SetPosition( m_value );
 153         event2.SetEventObject( this );
 154         GetEventHandler()->ProcessEvent( event2 );
 155     }
 156 }
 157
 158 // ----------------------------------------------------------------------------
 159 // size calculation
 160 // ----------------------------------------------------------------------------
 161
 162 wxSize wxSpinButton::DoGetBestSize() const
 163 {
 164     if ( (GetWindowStyle() & wxSP_HORIZONTAL) == 0 )
 165     {
 166         // vertical control
 167         return wxSize(16,
 168                       2*16);
 169     }
 170     else
 171     {
 172         // horizontal control
 173         return wxSize(2*16,
 174                       16);
 175     }
 176 }
 177