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