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