X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e3e817d4acf3c5fa067f4f561c2a6cee161f61c5..91edf16cb8823970f1ed5a2132b9a242150cf8a9:/src/mac/carbon/gauge.cpp

diff --git a/src/mac/carbon/gauge.cpp b/src/mac/carbon/gauge.cpp
index 6e9ed032f2..6f97b03578 100644
--- a/src/mac/carbon/gauge.cpp
+++ b/src/mac/carbon/gauge.cpp
@@ -47,8 +47,10 @@ bool wxGauge::Create(wxWindow *parent, wxWindowID id,
     m_peer = new wxMacControl() ;
     verify_noerr ( CreateProgressBarControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , 
      GetValue() , 0 , GetRange() , false /* not indeterminate */ , m_peer->GetControlRefAddr() ) );
-    
-       
+
+    if ( GetValue() == 0 )
+        m_peer->SetData<Boolean>( kControlEntireControl , kControlProgressBarAnimatingTag , (Boolean) false ) ;
+
     MacPostControlCreate(pos,size) ;
     
     return TRUE;
@@ -69,7 +71,19 @@ void wxGauge::SetValue(int pos)
     // some change behind the values by it
     wxGaugeBase::SetValue(pos) ;
     if ( m_peer && m_peer->Ok() )
+    {
         m_peer->SetValue( GetValue() ) ;
+        // we turn off animation in the unnecessary situations as this is eating a lot of CPU otherwise
+        Boolean shouldAnimate = ( GetValue() > 0 && GetValue() < GetRange() ) ;
+        if ( m_peer->GetData<Boolean>( kControlEntireControl , kControlProgressBarAnimatingTag ) != shouldAnimate )
+        {
+            m_peer->SetData<Boolean>( kControlEntireControl , kControlProgressBarAnimatingTag , shouldAnimate ) ;
+            if ( !shouldAnimate )
+            {
+                Refresh() ;
+            }
+        }
+    }
 }
 
 int wxGauge::GetValue() const