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723 lines
14 KiB
723 lines
14 KiB
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include <stdio.h>
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#include <windows.h>
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#include "mxExpressionSlider.h"
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#include "expressiontool.h"
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#include "mathlib/mathlib.h"
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#include "hlfaceposer.h"
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#include "choreowidgetdrawhelper.h"
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mxExpressionSlider::mxExpressionSlider (mxWindow *parent, int x, int y, int w, int h, int id )
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: mxWindow( parent, x, y, w, h )
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{
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setId( id );
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setType( MX_SLIDER );
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FacePoser_AddWindowStyle( this, WS_CLIPCHILDREN | WS_CLIPSIBLINGS );
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m_flMin[ 0 ] = 0.0;
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m_flMax[ 0 ] = 1.0f;
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m_nTicks[ 0 ] = 20;
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m_flCurrent[ 0 ] = 0.0f;
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m_flMin[ 1 ] = 0.0;
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m_flMax[ 1 ] = 1.0f;
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m_nTicks[ 1 ] = 20;
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m_flCurrent[ 1 ] = 0.5f;
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m_flSetting[ 0 ] = 0.0;
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m_flSetting[ 1 ] = 0.0;
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m_bIsEdited[ 0 ] = false;
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m_bIsEdited[ 1 ] = false;
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m_bDraggingThumb = false;
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m_nCurrentBar = 0;
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m_bPaired = false;
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m_nTitleWidth = 120;
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m_bDrawTitle = true;
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m_pInfluence = new mxCheckBox( this, 2, 4, 12, 12, "", IDC_INFLUENCE );
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}
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mxExpressionSlider::~mxExpressionSlider( void )
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{
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}
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void mxExpressionSlider::SetTitleWidth( int width )
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{
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m_nTitleWidth = width;
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redraw();
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}
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void mxExpressionSlider::SetDrawTitle( bool drawTitle )
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{
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m_bDrawTitle = drawTitle;
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redraw();
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}
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void mxExpressionSlider::SetMode( bool paired )
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{
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if ( m_bPaired != paired )
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{
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m_bPaired = paired;
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redraw();
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}
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}
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void mxExpressionSlider::BoundValue( void )
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{
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for ( int i = 0; i < NUMBARS; i++ )
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{
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if ( m_flCurrent[ i ] > m_flMax[ i ] )
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{
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m_flCurrent[ i ] = m_flMax[ i ];
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}
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if ( m_flCurrent[ i ] < m_flMin[ i ] )
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{
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m_flCurrent[ i ] = m_flMin[ i ];
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}
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}
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}
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void mxExpressionSlider::setValue( int barnum, float value )
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{
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if (m_flSetting[ barnum ] == value && m_bIsEdited[ barnum ] == false)
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return;
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m_flSetting[ barnum ] = value;
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m_bIsEdited[ barnum ] = false;
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if (m_bPaired)
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{
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if (m_flSetting[ 0 ] < m_flSetting[ 1 ])
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{
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m_flCurrent[ 0 ] = m_flSetting[ 1 ];
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m_flCurrent[ 1 ] = 1.0 - (m_flSetting[ 0 ] / m_flSetting[ 1 ]) * 0.5;
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}
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else if (m_flSetting[ 0 ] > m_flSetting[ 1 ])
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{
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m_flCurrent[ 0 ] = m_flSetting[ 0 ];
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m_flCurrent[ 1 ] = (m_flSetting[ 1 ] / m_flSetting[ 0 ]) * 0.5;
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}
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else
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{
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m_flCurrent[ 0 ] = m_flSetting[ 0 ];
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m_flCurrent[ 1 ] = 0.5;
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}
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}
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else
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{
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m_flCurrent[ barnum ] = value;
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}
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BoundValue();
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// FIXME: delay this until all sliders are set
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if (!m_bPaired || barnum == 1)
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redraw();
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}
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void mxExpressionSlider::setRange( int barnum, float min, float max, int ticks /*= 100*/ )
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{
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m_flMin[ barnum ] = min;
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m_flMax[ barnum ] = max;
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Assert( m_flMax[ barnum ] > m_flMin[ barnum ] );
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m_nTicks[ barnum ] = ticks;
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BoundValue();
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redraw();
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}
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void mxExpressionSlider::setInfluence( float value )
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{
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bool bWasChecked = m_pInfluence->isChecked( );
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bool bNowChecked = value > 0.0f ? true : false;
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if (bNowChecked != bWasChecked)
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{
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m_pInfluence->setChecked( bNowChecked );
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redraw();
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}
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}
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float mxExpressionSlider::getRawValue( int barnum ) const
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{
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return m_flCurrent[ barnum ];
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}
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float mxExpressionSlider::getValue( int barnum ) const
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{
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float scale = 1.0;
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if (m_bPaired)
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{
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// if it's paired, this is assuming that m_flCurrent[0] holds the max value,
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// and m_flCurrent[1] is a weighting from 0 to 1, with 0.5 being even
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if (barnum == 0 && m_flCurrent[ 1 ] > 0.5)
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{
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scale = (1.0 - m_flCurrent[ 1 ]) / 0.5;
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}
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else if (barnum == 1 && m_flCurrent[ 1 ] < 0.5)
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{
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scale = (m_flCurrent[ 1 ] / 0.5);
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}
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}
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return m_flCurrent[ 0 ] * scale;
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}
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float mxExpressionSlider::getMinValue( int barnum ) const
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{
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return m_flMin[ barnum ];
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}
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float mxExpressionSlider::getMaxValue( int barnum ) const
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{
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return m_flMax[ barnum ];
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}
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float mxExpressionSlider::getInfluence( ) const
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{
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return m_pInfluence->isChecked() ? 1.0f : 0.0f;
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}
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void mxExpressionSlider::setEdited( int barnum, bool isEdited )
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{
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if (m_bIsEdited[ barnum ] == isEdited)
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return;
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m_bIsEdited[ barnum ] = isEdited;
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redraw();
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}
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bool mxExpressionSlider::isEdited( int barnum ) const
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{
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return (m_bIsEdited[ barnum ]);
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}
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void mxExpressionSlider::GetSliderRect( RECT& rc )
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{
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HWND wnd = (HWND)getHandle();
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if ( !wnd )
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return;
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GetClientRect( wnd, &rc );
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if ( m_bDrawTitle )
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{
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rc.left += m_nTitleWidth;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : &rc -
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//-----------------------------------------------------------------------------
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void mxExpressionSlider::GetBarRect( RECT &rcBar )
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{
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RECT rc;
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GetSliderRect( rc );
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rcBar = rc;
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InflateRect( &rcBar, -10, 0 );
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rcBar.top += 5;
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rcBar.bottom = rcBar.top + 2;
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int midy = ( rcBar.top + rcBar.bottom ) / 2;
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rcBar.top = midy - 1;
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rcBar.bottom = midy + 1;
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}
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void mxExpressionSlider::GetThumbRect( int barnum, RECT &rcThumb )
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{
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RECT rc;
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GetSliderRect( rc );
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RECT rcBar = rc;
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GetBarRect( rcBar );
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float frac = 0.0f;
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if ( m_flMax[ barnum ] - m_flMin[ barnum ] > 0 )
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{
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frac = (m_flCurrent[ barnum ] - m_flMin[ barnum ]) / ( m_flMax[ barnum ] - m_flMin[ barnum ] );
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}
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int tickmark = (int)( frac * m_nTicks[ barnum ] + 0.5 );
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tickmark = min( m_nTicks[ barnum ], tickmark );
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tickmark = max( 0, tickmark );
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int thumbwidth = 20;
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int thumbheight = 14;
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int xoffset = -thumbwidth / 2;
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int yoffset = -thumbheight / 2 + 2;
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int leftedge = rcBar.left + (int)( (float)( rcBar.right - rcBar.left ) * (float)(tickmark) / (float)m_nTicks[ barnum ] );
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rcThumb.left = leftedge + xoffset;
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rcThumb.right = rcThumb.left + thumbwidth;
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rcThumb.top = rcBar.top + yoffset;
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rcThumb.bottom = rcThumb.top + thumbheight;
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}
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void mxExpressionSlider::DrawBar( HDC& dc )
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{
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RECT rcBar;
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GetBarRect( rcBar );
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HPEN oldPen;
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HPEN shadow;
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HBRUSH face;
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HPEN hilight;
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shadow = CreatePen( PS_SOLID, 1, GetSysColor( COLOR_3DSHADOW ) );
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hilight = CreatePen( PS_SOLID, 1, GetSysColor( COLOR_3DHIGHLIGHT ) );
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face = CreateSolidBrush( GetSysColor( COLOR_3DFACE ) );
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oldPen = (HPEN)SelectObject( dc, hilight );
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MoveToEx( dc, rcBar.left, rcBar.bottom, NULL );
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LineTo( dc, rcBar.left, rcBar.top );
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LineTo( dc, rcBar.right, rcBar.top );
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SelectObject( dc, shadow );
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LineTo( dc, rcBar.right, rcBar.bottom );
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LineTo( dc, rcBar.left, rcBar.bottom );
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rcBar.left += 1;
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//rcBar.right -= 1;
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rcBar.top += 1;
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rcBar.bottom -= 1;
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FillRect( dc, &rcBar, face );
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SelectObject( dc, oldPen );
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DeleteObject( face );
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DeleteObject( shadow );
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DeleteObject( hilight );
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}
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void mxExpressionSlider::DrawThumb( int barnum, HDC& dc )
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{
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RECT rcThumb;
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GetThumbRect( barnum, rcThumb );
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// Draw it
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HPEN oldPen;
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HPEN shadow;
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HBRUSH face;
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HPEN hilight;
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shadow = CreatePen( PS_SOLID, 1, GetSysColor( COLOR_3DDKSHADOW ) );
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hilight = CreatePen( PS_SOLID, 1, GetSysColor( COLOR_3DHIGHLIGHT ) );
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switch ( barnum )
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{
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default:
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case MAGNITUDE_BAR:
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{
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float frac;
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if (m_flCurrent[ barnum ] < 0)
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{
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frac = m_flCurrent[ barnum ] / m_flMin[ barnum ];
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}
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else
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{
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frac = m_flCurrent[ barnum ] / m_flMax[ barnum ];
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}
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frac = min( 1.0f, frac );
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frac = max( 0.0f, frac );
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Color clr = RGBToColor( GetSysColor( COLOR_3DFACE ) );
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int r, g, b;
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r = clr.r();
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g = clr.g();
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b = clr.b();
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// boost colors
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r = (int)( (1-frac) * b );
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b = min( 255, (int)(r + ( 255 - r ) * frac ) );
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g = (int)( (1-frac) * g );
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face = CreateSolidBrush( ColorToRGB( Color( r, g, b ) ) );
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}
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break;
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case BALANCE_BAR:
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{
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float frac = m_flCurrent[ barnum ];
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frac = min( 1.0f, frac );
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frac = max( 0.0f, frac );
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Color clr = RGBToColor( GetSysColor( COLOR_3DFACE ) );
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int r, g, b;
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r = clr.r();
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g = clr.g();
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b = clr.b();
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// boost colors toward red if we are not at 0.5
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float boost = 2.0 * ( fabs( frac - 0.5f ) );
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r = r + ( 255 - r ) * boost;
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g = ( 1 - boost ) * g;
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b = ( 1 - boost ) * b;
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face = CreateSolidBrush( ColorToRGB( Color( r, g, b ) ) );
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}
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break;
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}
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//rcThumb.left += 1;
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//rcThumb.right -= 1;
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//rcThumb.top += 1;
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//rcThumb.bottom -= 1;
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//FillRect( dc, &rcThumb, face );
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POINT region[3];
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int cPoints = 3;
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InflateRect( &rcThumb, -2, 0 );
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// int height = rcThumb.bottom - rcThumb.top;
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// int offset = height / 2 + 1;
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int offset = 2;
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switch ( barnum )
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{
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case MAGNITUDE_BAR:
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default:
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{
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region[ 0 ].x = rcThumb.left;
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region[ 0 ].y = rcThumb.top;
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region[ 1 ].x = rcThumb.right;
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region[ 1 ].y = rcThumb.top;
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region[ 2 ].x = ( rcThumb.left + rcThumb.right ) / 2;
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region[ 2 ].y = rcThumb.bottom - offset;
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}
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break;
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case BALANCE_BAR:
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{
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region[ 0 ].x = ( rcThumb.left + rcThumb.right ) / 2;
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region[ 0 ].y = rcThumb.top + offset;
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region[ 1 ].x = rcThumb.left;
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region[ 1 ].y = rcThumb.bottom;
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region[ 2 ].x = rcThumb.right;
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region[ 2 ].y = rcThumb.bottom;
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}
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break;
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}
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HRGN rgn = CreatePolygonRgn( region, cPoints, ALTERNATE );
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int oldPF = SetPolyFillMode( dc, ALTERNATE );
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FillRgn( dc, rgn, face );
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SetPolyFillMode( dc, oldPF );
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DeleteObject( rgn );
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oldPen = (HPEN)SelectObject( dc, hilight );
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MoveToEx( dc, region[0].x, region[0].y, NULL );
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LineTo( dc, region[1].x, region[1].y );
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SelectObject( dc, shadow );
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LineTo( dc, region[2].x, region[2].y );
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SelectObject( dc, hilight );
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LineTo( dc, region[0].x, region[0].y );
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SelectObject( dc, oldPen );
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DeleteObject( face );
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DeleteObject( shadow );
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DeleteObject( hilight );
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}
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void mxExpressionSlider::DrawTitle( HDC &dc )
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{
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if ( !m_bDrawTitle )
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return;
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HWND wnd = (HWND)getHandle();
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if ( !wnd )
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return;
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RECT rc;
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GetClientRect( wnd, &rc );
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rc.right = m_nTitleWidth;
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rc.left += 16;
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InflateRect( &rc, -5, -2 );
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char sz[ 128 ];
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sprintf( sz, "%s", getLabel() );
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HFONT fnt, oldfont;
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fnt = CreateFont(
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-12 // H
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, 0 // W
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, 0 // Escapement
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, 0 // Orient
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, FW_NORMAL // Wt. (BOLD)
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, 0 // Ital.
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, 0 // Underl.
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, 0 // SO
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, ANSI_CHARSET // Charset
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, OUT_TT_PRECIS // Out prec.
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, CLIP_DEFAULT_PRECIS // Clip prec.
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, PROOF_QUALITY // Qual.
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, VARIABLE_PITCH | FF_DONTCARE // Pitch and Fam.
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, "Arial" );
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Color oldColor;
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if (!isEdited( 0 ))
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{
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oldColor = RGBToColor( SetTextColor( dc, GetSysColor( COLOR_BTNTEXT ) ) );
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}
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else
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{
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oldColor = RGBToColor( SetTextColor( dc, ColorToRGB( Color( 255, 0, 0 ) ) ) );
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}
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int oldMode = SetBkMode( dc, TRANSPARENT );
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oldfont = (HFONT)SelectObject( dc, fnt );
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DrawText( dc, sz, -1, &rc, DT_NOPREFIX | DT_VCENTER | DT_SINGLELINE | DT_LEFT | DT_WORD_ELLIPSIS );
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SelectObject( dc, oldfont );
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DeleteObject( fnt );
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SetBkMode( dc, oldMode );
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SetTextColor( dc, ColorToRGB( oldColor ) );
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}
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void mxExpressionSlider::redraw()
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{
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HWND wnd = (HWND)getHandle();
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if ( !wnd )
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return;
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HDC finalDC = GetDC( wnd );
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if ( !finalDC )
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return;
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RECT rc;
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GetClientRect( wnd, &rc );
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int w = rc.right - rc.left;
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int h = rc.bottom - rc.top;
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HDC dc = CreateCompatibleDC( finalDC );
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HBITMAP oldbm, bm;
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bm = CreateCompatibleBitmap( finalDC, w, h );
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oldbm = (HBITMAP)SelectObject( dc, bm );
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HBRUSH br = CreateSolidBrush( GetSysColor( COLOR_3DFACE ) );
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FillRect( dc, &rc, br );
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DeleteObject( br );
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DrawTitle( dc );
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DrawBar( dc );
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// Draw slider
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for ( int i = ( m_bPaired ? 1 : 0 ); i >= 0 ; i-- )
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{
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DrawThumb( i, dc );
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}
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BitBlt( finalDC, 0, 0, w, h, dc, 0, 0, SRCCOPY );
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SelectObject( dc, oldbm );
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|
|
|
DeleteObject( bm );
|
|
|
|
DeleteDC( dc );
|
|
|
|
ReleaseDC( wnd, finalDC );
|
|
ValidateRect( wnd, &rc );
|
|
}
|
|
|
|
void mxExpressionSlider::MoveThumb( int barnum, int xpos, bool finish )
|
|
{
|
|
RECT rcBar;
|
|
|
|
GetBarRect( rcBar );
|
|
|
|
if ( xpos < rcBar.left )
|
|
{
|
|
m_flCurrent[ barnum ] = m_flMin[ barnum ];
|
|
}
|
|
else if ( xpos > rcBar.right )
|
|
{
|
|
m_flCurrent[ barnum ] = m_flMax[ barnum ];
|
|
}
|
|
else
|
|
{
|
|
float frac = (float)( xpos - rcBar.left ) / (float)( rcBar.right - rcBar.left );
|
|
// snap slider to nearest "tick" so that it get drawn in the correct place
|
|
int curtick = (int)( frac * m_nTicks[ 0 ] + 0.5);
|
|
m_flCurrent[ barnum ] = m_flMin[ barnum ] + ((float)curtick / (float)m_nTicks[ 0 ]) * (m_flMax[ barnum ] - m_flMin[ barnum ]);
|
|
}
|
|
|
|
// update equivalent setting
|
|
m_flSetting[ 0 ] = getValue( 0 );
|
|
m_flSetting[ 1 ] = getValue( 1 );
|
|
|
|
m_bIsEdited[ 0 ] = true;
|
|
m_bIsEdited[ 1 ] = true;
|
|
|
|
// Send message to parent
|
|
HWND parent = (HWND)( getParent() ? getParent()->getHandle() : NULL );
|
|
if ( parent )
|
|
{
|
|
LPARAM lp;
|
|
WPARAM wp;
|
|
|
|
wp = MAKEWPARAM( finish ? SB_ENDSCROLL : SB_THUMBPOSITION, barnum );
|
|
lp = (long)getHandle();
|
|
|
|
SendMessage( parent, WM_HSCROLL, wp, lp );
|
|
}
|
|
|
|
BoundValue();
|
|
redraw();
|
|
}
|
|
|
|
bool mxExpressionSlider::PaintBackground( void )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
int mxExpressionSlider::handleEvent( mxEvent *event )
|
|
{
|
|
int iret = 0;
|
|
switch ( event->event )
|
|
{
|
|
case mxEvent::Action:
|
|
{
|
|
iret = 1;
|
|
switch ( event->action )
|
|
{
|
|
default:
|
|
iret = 0;
|
|
break;
|
|
case IDC_INFLUENCE:
|
|
{
|
|
SetFocus( (HWND)getHandle() );
|
|
|
|
setEdited( 0, false );
|
|
setEdited( 1, false );
|
|
|
|
// Send message to parent
|
|
HWND parent = (HWND)( getParent() ? getParent()->getHandle() : NULL );
|
|
if ( parent )
|
|
{
|
|
LPARAM lp;
|
|
WPARAM wp;
|
|
|
|
wp = MAKEWPARAM( SB_ENDSCROLL, m_nCurrentBar );
|
|
lp = (long)getHandle();
|
|
|
|
SendMessage( parent, WM_HSCROLL, wp, lp );
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case mxEvent::MouseDown:
|
|
{
|
|
SetFocus( (HWND)getHandle() );
|
|
|
|
if ( !m_bDraggingThumb )
|
|
{
|
|
RECT rcThumb;
|
|
POINT pt;
|
|
|
|
pt.x = (short)event->x;
|
|
pt.y = (short)event->y;
|
|
|
|
m_nCurrentBar = ( event->buttons & mxEvent::MouseRightButton ) ? BALANCE_BAR : MAGNITUDE_BAR;
|
|
GetThumbRect( m_nCurrentBar, rcThumb );
|
|
|
|
if ( PtInRect( &rcThumb, pt ) )
|
|
{
|
|
m_bDraggingThumb = true;
|
|
}
|
|
|
|
// Snap position if they didn't click on the thumb itself
|
|
#if 0
|
|
else
|
|
{
|
|
m_bDraggingThumb = true;
|
|
MoveThumb( m_nCurrentBar, (short)event->x, false );
|
|
}
|
|
#endif
|
|
}
|
|
iret = 1;
|
|
}
|
|
break;
|
|
case mxEvent::MouseDrag:
|
|
case mxEvent::MouseMove:
|
|
{
|
|
if ( m_bDraggingThumb )
|
|
{
|
|
m_pInfluence->setChecked( true );
|
|
MoveThumb( m_nCurrentBar, (short)event->x, false );
|
|
iret = 1;
|
|
}
|
|
}
|
|
break;
|
|
case mxEvent::MouseUp:
|
|
{
|
|
if ( m_bDraggingThumb )
|
|
{
|
|
m_pInfluence->setChecked( true );
|
|
m_bDraggingThumb = false;
|
|
MoveThumb( m_nCurrentBar, (short)event->x, true );
|
|
m_nCurrentBar = 0;
|
|
}
|
|
iret = 1;
|
|
}
|
|
break;
|
|
case mxEvent::KeyDown:
|
|
{
|
|
if ( event->key == VK_RETURN ||
|
|
event->key == 'S' )
|
|
{
|
|
// See if there is an event in the flex animation window
|
|
g_pExpressionTool->OnSetSingleKeyFromFlex( getLabel() );
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
return iret;
|
|
}
|