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         // switch back to determinate mode if not there already
  65         if ( m_peer->GetData<Boolean>( kControlNoPart, kControlProgressBarIndeterminateTag ) != false )
  66         {
  67              m_peer->SetData<Boolean>( kControlNoPart, kControlProgressBarIndeterminateTag, (Boolean)false );
  68         }
  69
  70         m_peer->SetMaximum( GetRange() ) ;
  71     }
  72 }
  73
  74 void wxGauge::SetValue(int pos)
  75 {
  76     // we are going via the base class in case there is
  77     // some change behind the values by it
  78     wxGaugeBase::SetValue( pos ) ;
  79
  80     if ( m_peer && m_peer->Ok() )
  81     {
  82         // switch back to determinate mode if not there already
  83         if ( m_peer->GetData<Boolean>( kControlNoPart, kControlProgressBarIndeterminateTag ) != false )
  84         {
  85             m_peer->SetData<Boolean>( kControlNoPart, kControlProgressBarIndeterminateTag, (Boolean)false );
  86         }
  87
  88         m_peer->SetValue( GetValue() ) ;
  89
  90         // turn off animation in the unnecessary situations as this is consuming a lot of CPU otherwise
  91         Boolean shouldAnimate = ( GetValue() > 0 && GetValue() < GetRange() ) ;
  92         if ( m_peer->GetData<Boolean>( kControlEntireControl, kControlProgressBarAnimatingTag ) != shouldAnimate )
  93         {
  94             m_peer->SetData<Boolean>( kControlEntireControl, kControlProgressBarAnimatingTag, shouldAnimate ) ;
  95             if ( !shouldAnimate )
  96                 Refresh() ;
  97         }
  98     }
  99 }
 100
 101 int wxGauge::GetValue() const
 102 {
 103 #if 0
 104     if ( m_peer && m_peer->Ok() )
 105         return m_peer->GetValue() ;
 106 #endif
 107
 108     return m_gaugePos ;
 109 }
 110
 111 void wxGauge::Pulse()
 112 {
 113     if ( m_peer && m_peer->Ok() )
 114     {
 115         if ( m_peer->GetData<Boolean>( kControlNoPart, kControlProgressBarIndeterminateTag ) != true )
 116         {
 117         m_peer->SetData<Boolean>( kControlNoPart, kControlProgressBarIndeterminateTag, true);
 118         }
 119
 120         if ( m_peer->GetData<Boolean>( kControlEntireControl, kControlProgressBarAnimatingTag ) != true )
 121         {
 122             m_peer->SetData<Boolean>( kControlEntireControl, kControlProgressBarAnimatingTag, true ) ;
 123         }
 124     }
 125 }
 126
 127 #endif // wxUSE_GAUGE
 128