Glenn Maynard
117 lines
4.2 KiB
C++
117 lines
4.2 KiB
C++
#include "global.h"
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#include "ScrollBar.h"
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#include "ThemeManager.h"
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#include "RageUtil.h"
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ScrollBar::ScrollBar()
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{
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m_sprBackground.Load( THEME->GetPathG("ScrollBar","parts 1x3") );
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m_sprBackground->StopAnimating();
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m_sprBackground->SetState( 1 );
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this->AddChild( m_sprBackground );
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m_sprScrollThumbPart1.Load( THEME->GetPathG("ScrollBar","thumb") );
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m_sprScrollThumbPart1->StopAnimating();
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this->AddChild( m_sprScrollThumbPart1 );
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m_sprScrollThumbPart2.Load( THEME->GetPathG("ScrollBar","thumb") );
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m_sprScrollThumbPart2->StopAnimating();
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this->AddChild( m_sprScrollThumbPart2 );
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m_sprTopButton.Load( THEME->GetPathG("ScrollBar","parts 1x3") );
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m_sprTopButton->StopAnimating();
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m_sprTopButton->SetState( 0 );
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this->AddChild( m_sprTopButton );
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m_sprBottomButton.Load( THEME->GetPathG("ScrollBar","parts 1x3") );
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m_sprBottomButton->StopAnimating();
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m_sprBottomButton->SetState( 2 );
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this->AddChild( m_sprBottomButton );
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SetBarHeight( 100 );
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}
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void ScrollBar::SetBarHeight( int iHeight )
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{
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m_iBarHeight = iHeight;
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m_sprBackground->SetZoomY( m_iBarHeight/m_sprBackground->GetUnzoomedHeight() );
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m_sprTopButton->SetY( -m_iBarHeight/2.0f );
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m_sprBottomButton->SetY( +m_iBarHeight/2.0f );
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m_sprScrollThumbPart1->SetY( 0 );
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m_sprScrollThumbPart2->SetY( 0 );
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}
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void ScrollBar::SetPercentage( float fStartPercent, float fEndPercent )
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{
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CHECKPOINT;
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const int iBarContentHeight = m_iBarHeight - int( m_sprTopButton->GetUnzoomedHeight()/2 + m_sprBottomButton->GetUnzoomedHeight()/2 );
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ASSERT( iBarContentHeight != 0 );
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CHECKPOINT;
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// make sure the percent numbers are between 0 and 1
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fStartPercent = fmodf( fStartPercent+1, 1 );
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fEndPercent = fmodf( fEndPercent+1, 1 );
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CHECKPOINT;
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float fPart1TopY, fPart1BottomY, fPart2TopY, fPart2BottomY;
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if( fStartPercent < fEndPercent ) // we only need to one 1 thumb part
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{
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fPart1TopY = SCALE( fStartPercent,0.0f, 1.0f, -iBarContentHeight/2.0f, +iBarContentHeight/2.0f );
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fPart1BottomY = SCALE( fEndPercent, 0.0f, 1.0f, -iBarContentHeight/2.0f, +iBarContentHeight/2.0f );
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fPart2TopY = 0;
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fPart2BottomY = 0;
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}
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else // we need two thumb parts
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{
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fPart1TopY = SCALE( 0.0f, 0.0f, 1.0f, -iBarContentHeight/2.0f, +iBarContentHeight/2.0f );
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fPart1BottomY = SCALE( fEndPercent, 0.0f, 1.0f, -iBarContentHeight/2.0f, +iBarContentHeight/2.0f );
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fPart2TopY = SCALE( fStartPercent,0.0f, 1.0f, -iBarContentHeight/2.0f, +iBarContentHeight/2.0f );
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fPart2BottomY = SCALE( 1.0f, 0.0f, 1.0f, -iBarContentHeight/2.0f, +iBarContentHeight/2.0f );
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}
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CHECKPOINT;
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m_sprScrollThumbPart1->StretchTo( RectF(
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-m_sprScrollThumbPart1->GetUnzoomedWidth()/2,
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fPart1TopY,
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+m_sprScrollThumbPart1->GetUnzoomedWidth()/2,
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fPart1BottomY
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) );
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CHECKPOINT;
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m_sprScrollThumbPart2->StretchTo( RectF(
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-m_sprScrollThumbPart2->GetUnzoomedWidth()/2,
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fPart2TopY,
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+m_sprScrollThumbPart2->GetUnzoomedWidth()/2,
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fPart2BottomY
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) );
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CHECKPOINT;
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}
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/*
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* (c) 2001-2003 Chris Danford
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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