src/mac/carbon/gauge.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gauge.cpp
   3 // Purpose:     wxGauge class
   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_GAUGE
  15
  16 #include "wx/gauge.h"
  17
  18 IMPLEMENT_DYNAMIC_CLASS(wxGauge, wxControl)
  19
  20 #include "wx/mac/uma.h"
  21
  22 bool wxGauge::Create( wxWindow *parent,
  23     wxWindowID id,
  24     int range,
  25     const wxPoint& pos,
  26     const wxSize& s,
  27     long style,
  28     const wxValidator& validator,
  29     const wxString& name )
  30 {
  31     m_macIsUserPane = false;
  32
  33     if ( !wxGaugeBase::Create( parent, id, range, pos, s, style & 0xE0FFFFFF, validator, name ) )
  34         return false;
  35
  36     wxSize size = s;
  37
  38 #if 0
  39     if (size.x == wxDefaultCoord && size.y == wxDefaultCoord)
  40         size = wxSize( 200 , 16 );
  41 #endif
  42
  43     Rect bounds = wxMacGetBoundsForControl( this, pos, size );
  44     m_peer = new wxMacControl( this );
  45     OSStatus err = CreateProgressBarControl(
  46         MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds,
  47         GetValue(), 0, GetRange(), false /* not indeterminate */, m_peer->GetControlRefAddr() );
  48     verify_noerr( err );
  49
  50     if ( GetValue() == 0 )
  51         m_peer->SetData<Boolean>( kControlEntireControl, kControlProgressBarAnimatingTag, (Boolean)false );
  52
  53     MacPostControlCreate( pos, size );
  54
  55     return true;
  56 }
  57
  58 void wxGauge::SetRange(int r)
  59 {
  60     // we are going via the base class in case there is
  61     // some change behind the values by it
  62     wxGaugeBase::SetRange( r ) ;
  63     if ( m_peer && m_peer->Ok() )
  64         m_peer->SetMaximum( GetRange() ) ;
  65 }
  66
  67 void wxGauge::SetValue(int pos)
  68 {
  69     // we are going via the base class in case there is
  70     // some change behind the values by it
  71     wxGaugeBase::SetValue( pos ) ;
  72
  73     if ( m_peer && m_peer->Ok() )
  74     {
  75         m_peer->SetValue( GetValue() ) ;
  76
  77         // turn off animation in the unnecessary situations as this is consuming a lot of CPU otherwise
  78         Boolean shouldAnimate = ( GetValue() > 0 && GetValue() < GetRange() ) ;
  79         if ( m_peer->GetData<Boolean>( kControlEntireControl, kControlProgressBarAnimatingTag ) != shouldAnimate )
  80         {
  81             m_peer->SetData<Boolean>( kControlEntireControl, kControlProgressBarAnimatingTag, shouldAnimate ) ;
  82             if ( !shouldAnimate )
  83                 Refresh() ;
  84         }
  85     }
  86 }
  87
  88 int wxGauge::GetValue() const
  89 {
  90 #if 0
  91     if ( m_peer && m_peer->Ok() )
  92         return m_peer->GetValue() ;
  93 #endif
  94
  95     return m_gaugePos ;
  96 }
  97
  98 void wxGauge::Pulse()
  99 {
 100     if ( m_peer && m_peer->Ok() )
 101     {
 102         // need to use the animate() method of NSProgressIndicator Class here
 103     }
 104 }
 105
 106 #endif // wxUSE_GAUGE
 107