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  • Committer: Brian Sidebotham
  • Date: 2013-08-03 14:30:08 UTC
  • Revision ID: brian.sidebotham@gmail.com-20130803143008-c7806tkych1tp6fc
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src/osx/carbon/slider.cpp
 
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/////////////////////////////////////////////////////////////////////////////
 
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// Name:        src/osx/carbon/slider.cpp
 
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// Purpose:     wxSlider
 
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// Author:      Stefan Csomor
 
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// Modified by:
 
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// Created:     1998-01-01
 
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// RCS-ID:      $Id: slider.cpp 67416 2011-04-08 15:09:38Z SC $
 
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// Copyright:   (c) Stefan Csomor
 
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// Licence:       wxWindows licence
 
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/////////////////////////////////////////////////////////////////////////////
 
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#include "wx/wxprec.h"
 
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#if wxUSE_SLIDER
 
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#include "wx/slider.h"
 
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#include "wx/osx/private.h"
 
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class wxMacSliderCarbonControl : public wxMacControl
 
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{
 
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public :
 
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    wxMacSliderCarbonControl( wxWindowMac* peer ) : wxMacControl( peer )
 
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    {
 
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    }
 
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    // work around an OSX bug : if the control is having the keyboard focus it cannot
 
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    // be set to the full max/min values by dragging
 
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    virtual bool CanFocus() const
 
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    { 
 
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        return false; 
 
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    }
 
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};
 
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wxWidgetImplType* wxWidgetImpl::CreateSlider( wxWindowMac* wxpeer,
 
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                                    wxWindowMac* parent,
 
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                                    wxWindowID WXUNUSED(id),
 
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                                    wxInt32 value,
 
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                                    wxInt32 minimum,
 
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                                    wxInt32 maximum,
 
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                                    const wxPoint& pos,
 
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                                    const wxSize& size,
 
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                                    long style,
 
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                                    long WXUNUSED(extraStyle))
 
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{
 
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    Rect bounds = wxMacGetBoundsForControl( wxpeer, pos, size );
 
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    int tickMarks = 0;
 
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    if ( style & wxSL_AUTOTICKS )
 
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        tickMarks = (maximum - minimum) + 1; // +1 for the 0 value
 
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    // keep the number of tickmarks from becoming unwieldly, therefore below it is ok to cast
 
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    // it to a UInt16
 
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    while (tickMarks > 20)
 
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        tickMarks /= 5;
 
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    wxMacControl* peer = new wxMacSliderCarbonControl( wxpeer );
 
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    OSStatus err = CreateSliderControl(
 
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        MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds,
 
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        value, minimum, maximum,
 
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        kControlSliderPointsDownOrRight,
 
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        (UInt16) tickMarks, true /* liveTracking */,
 
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        GetwxMacLiveScrollbarActionProc(),
 
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        peer->GetControlRefAddr() );
 
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    verify_noerr( err );
 
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    return peer;
 
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}
 
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#endif // wxUSE_SLIDER