src/osx/spinbutt_osx.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: spinbutt.cpp 54129 2008-06-11 19:30:52Z SC $
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_SPINBTN
  15
  16 #include "wx/spinbutt.h"
  17 #include "wx/osx/private.h"
  18
  19
  20 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  21 IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent)
  22
  23
  24 wxSpinButton::wxSpinButton()
  25    : wxSpinButtonBase()
  26 {
  27 }
  28
  29 bool wxSpinButton::Create( wxWindow *parent,
  30     wxWindowID id, const wxPoint& pos, const wxSize& size,
  31     long style, const wxString& name )
  32 {
  33     m_macIsUserPane = false;
  34
  35     if ( !wxSpinButtonBase::Create( parent, id, pos, size, style, wxDefaultValidator, name ) )
  36         return false;
  37
  38     m_min = 0;
  39     m_max = 100;
  40
  41     if (!parent)
  42         return false;
  43
  44     m_peer = wxWidgetImpl::CreateSpinButton( this , parent, id, 0, m_min, m_max, pos, size,
  45         style, GetExtraStyle() );
  46
  47     MacPostControlCreate( pos, size );
  48
  49     return true;
  50 }
  51
  52 wxSpinButton::~wxSpinButton()
  53 {
  54 }
  55
  56 void wxSpinButton::SetValue( int val )
  57 {
  58     m_peer->SetValue( val );
  59 }
  60
  61 int wxSpinButton::GetValue() const
  62 {
  63     return m_peer->GetValue();
  64 }
  65
  66 void wxSpinButton::SetRange(int minVal, int maxVal)
  67 {
  68     m_min = minVal;
  69     m_max = maxVal;
  70     m_peer->SetMaximum( maxVal );
  71     m_peer->SetMinimum( minVal );
  72 }
  73
  74 void wxSpinButton::SendThumbTrackEvent()
  75 {
  76     wxSpinEvent event( wxEVT_SCROLL_THUMBTRACK, GetId() );
  77     event.SetPosition( GetValue() );
  78     event.SetEventObject( this );
  79     HandleWindowEvent( event );
  80 }
  81
  82 bool wxSpinButton::OSXHandleClicked( double timestampsec )
  83 {
  84     // all events have already been processed
  85     return true;
  86 }
  87
  88 wxSize wxSpinButton::DoGetBestSize() const
  89 {
  90     return wxSize( 16, 24 );
  91 }
  92
  93 void wxSpinButton::TriggerScrollEvent(wxEventType scrollEvent)
  94 {
  95     int inc = 0;
  96
  97     if ( scrollEvent == wxEVT_SCROLL_LINEUP )
  98     {
  99         inc = 1;
 100     }
 101     else if ( scrollEvent == wxEVT_SCROLL_LINEDOWN )
 102     {
 103         inc = -1;
 104     }
 105
 106     // trigger scroll events
 107
 108     int oldValue = GetValue() ;
 109
 110     int newValue = oldValue + inc;
 111
 112     if (newValue < m_min)
 113     {
 114         if ( m_windowStyle & wxSP_WRAP )
 115             newValue = m_max;
 116         else
 117             newValue = m_min;
 118     }
 119
 120     if (newValue > m_max)
 121     {
 122         if ( m_windowStyle & wxSP_WRAP )
 123             newValue = m_min;
 124         else
 125             newValue = m_max;
 126     }
 127
 128     if ( newValue - oldValue == -1 )
 129         scrollEvent = wxEVT_SCROLL_LINEDOWN;
 130     else if ( newValue - oldValue == 1 )
 131         scrollEvent = wxEVT_SCROLL_LINEUP;
 132     else
 133         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 134
 135     // Do not send an event if the value has not actually changed
 136     // (Also works for wxSpinCtrl)
 137     if ( newValue == oldValue )
 138         return;
 139
 140     if ( scrollEvent != wxEVT_SCROLL_THUMBTRACK )
 141     {
 142         wxSpinEvent event( scrollEvent, m_windowId );
 143
 144         event.SetPosition( newValue );
 145         event.SetEventObject( this );
 146         if ((HandleWindowEvent( event )) && !event.IsAllowed())
 147             newValue = oldValue;
 148     }
 149
 150     m_peer->SetValue( newValue );
 151
 152     // always send a thumbtrack event
 153     SendThumbTrackEvent() ;
 154 }
 155
 156 #endif // wxUSE_SPINBTN