src/mac/carbon/spinbutt.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        spinbutt.cpp
   3 // Purpose:     wxSpinButton
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   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_macIsUserPane = FALSE ;
  42
  43     if ( !wxSpinButtonBase::Create(parent, id, pos, size,
  44                                    style, wxDefaultValidator, name) )
  45         return false;
  46
  47     m_min = 0;
  48     m_max = 100;
  49
  50     if (!parent)
  51         return FALSE;
  52
  53     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
  54
  55     verify_noerr ( CreateLittleArrowsControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , 0 , m_min , m_max , 1 ,
  56      (ControlRef*) &m_macControl ) ) ;
  57
  58     MacPostControlCreate(pos,size) ;
  59
  60     return TRUE;
  61 }
  62
  63 wxSpinButton::~wxSpinButton()
  64 {
  65 }
  66
  67 // Attributes
  68 ////////////////////////////////////////////////////////////////////////////
  69
  70 int wxSpinButton::GetMin() const
  71 {
  72     return m_min;
  73 }
  74
  75 int wxSpinButton::GetMax() const
  76 {
  77     return m_max;
  78 }
  79
  80 int wxSpinButton::GetValue() const
  81 {
  82     return m_value;
  83 }
  84
  85 void wxSpinButton::SetValue(int val)
  86 {
  87     m_value = val ;
  88 }
  89
  90 void wxSpinButton::SetRange(int minVal, int maxVal)
  91 {
  92     m_min = minVal;
  93     m_max = maxVal;
  94     SetControl32BitMaximum( (ControlRef) m_macControl , maxVal ) ;
  95     SetControl32BitMinimum((ControlRef) m_macControl , minVal ) ;
  96 }
  97
  98 void wxSpinButton::MacHandleValueChanged( int inc )
  99 {
 100
 101     wxEventType scrollEvent = wxEVT_NULL;
 102     int oldValue = m_value ;
 103
 104     m_value = oldValue + inc;
 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     if ( m_value - oldValue == -1 )
 123         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 124     else if ( m_value - oldValue == 1 )
 125         scrollEvent = wxEVT_SCROLL_LINEUP ;
 126     else
 127         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 128
 129     wxSpinEvent event(scrollEvent, m_windowId);
 130
 131     event.SetPosition(m_value);
 132     event.SetEventObject( this );
 133     if ((GetEventHandler()->ProcessEvent( event )) &&
 134         !event.IsAllowed() )
 135     {
 136         m_value = oldValue ;
 137     }
 138     SetControl32BitValue( (ControlRef) m_macControl , m_value ) ;
 139
 140     /* always send a thumbtrack event */
 141     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 142     {
 143         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 144         wxSpinEvent event2( scrollEvent, GetId());
 145         event2.SetPosition( m_value );
 146         event2.SetEventObject( this );
 147         GetEventHandler()->ProcessEvent( event2 );
 148     }
 149 }
 150
 151 wxInt32 wxSpinButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF event )
 152 {
 153     int nScrollInc = 0;
 154     wxMacCarbonEvent cEvent( (EventRef) event ) ;
 155
 156     switch( cEvent.GetParameter<ControlPartCode>(kEventParamControlPart,typeControlPartCode) )
 157     {
 158     case kControlUpButtonPart :
 159         nScrollInc = 1;
 160         break ;
 161     case kControlDownButtonPart :
 162         nScrollInc = -1;
 163         break ;
 164     }
 165     MacHandleValueChanged( nScrollInc ) ;
 166     return noErr ;
 167 }
 168
 169 // ----------------------------------------------------------------------------
 170 // size calculation
 171 // ----------------------------------------------------------------------------
 172
 173 wxSize wxSpinButton::DoGetBestSize() const
 174 {
 175     return wxSize(16,24);
 176 }
 177