Gered
c5cdddbeaa
current versions of all of my basic framework sources, build configurations/scripts, and supporting assets
104 lines
1.8 KiB
C++
104 lines
1.8 KiB
C++
/*
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GWEN
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Copyright (c) 2010 Facepunch Studios
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See license in Gwen.h
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*/
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#include <math.h>
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#include "gwen_slider.h"
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using namespace Gwen;
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using namespace Gwen::Controls;
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using namespace Gwen::ControlsInternal;
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GWEN_CONTROL_CONSTRUCTOR( SliderBar )
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{
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SetTarget( this );
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RestrictToParent( true );
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}
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void SliderBar::Render( Skin::Base* skin )
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{
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skin->DrawSlideButton( this, IsDepressed(), IsHorizontal() );
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}
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GWEN_CONTROL_CONSTRUCTOR( Slider )
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{
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SetBounds( Gwen::Rect( 0, 0, 32, 128) );
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m_SliderBar = new SliderBar( this );
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m_SliderBar->onDragged.Add( this, &Slider::OnMoved );
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m_fMin = 0.0f;
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m_fMax = 1.0f;
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m_bClampToNotches = false;
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m_iNumNotches = 5;
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m_fValue = 0.0f;
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SetTabable( true );
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}
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void Slider::OnMoved( Controls::Base * /*control*/ )
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{
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SetValueInternal( CalculateValue() );
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}
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void Slider::Layout( Skin::Base* skin )
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{
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BaseClass::Layout( skin );
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}
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float Slider::CalculateValue()
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{
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return 0;
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}
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void Slider::SetFloatValue( float val, bool /*forceUpdate*/ )
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{
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if (val < m_fMin) val = m_fMin;
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if (val > m_fMax) val = m_fMax;
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// Normalize Value
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val = (val - m_fMin) / (m_fMax - m_fMin);
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SetValueInternal( val );
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Redraw();
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}
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void Slider::SetValueInternal( float val )
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{
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if ( m_bClampToNotches )
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{
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val = floor( (val * (float)m_iNumNotches) + 0.5f );
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val /= (float) m_iNumNotches;
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}
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if ( m_fValue != val )
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{
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m_fValue = val;
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onValueChanged.Call( this );
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}
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UpdateBarFromValue();
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}
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float Slider::GetFloatValue()
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{
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return m_fMin + (m_fValue * (m_fMax - m_fMin));
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}
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void Slider::SetRange( float fMin, float fMax )
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{
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m_fMin = fMin;
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m_fMax = fMax;
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}
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void Slider::RenderFocus( Gwen::Skin::Base* skin )
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{
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if ( Gwen::KeyboardFocus != this ) return;
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if ( !IsTabable() ) return;
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skin->DrawKeyboardHighlight( this, GetRenderBounds(), 0 );
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} |