示例#1
0
void CtrlTree::autoScroll()
{
    // Find the current playing stream
    int playIndex = 0;
    VarTree::Iterator it;

    for( it = m_flat ? m_rTree.firstLeaf() : m_rTree.begin();
         it != m_rTree.end();
         it = m_flat ? m_rTree.getNextLeaf( it )
                     : m_rTree.getNextItem( it ) )
    {
        if( it->isPlaying() )
        {
           ensureVisible( it );
           break;
        }
    }
}
示例#2
0
void CtrlTree::makeImage()
{
    stats_TimerStart( getIntf(), "[Skins] Playlist image",
                      STATS_TIMER_SKINS_PLAYTREE_IMAGE );
    delete m_pImage;

    // Get the size of the control
    const Position *pPos = getPosition();
    if( !pPos )
    {
        stats_TimerStop( getIntf(), STATS_TIMER_SKINS_PLAYTREE_IMAGE );
        return;
    }
    int width = pPos->getWidth();
    int height = pPos->getHeight();

    int i_itemHeight = itemHeight();

    // Create an image
    OSFactory *pOsFactory = OSFactory::instance( getIntf() );
    m_pImage = pOsFactory->createOSGraphics( width, height );

    VarTree::Iterator it = m_firstPos;

    if( m_pBgBitmap )
    {
        // Draw the background bitmap
        if( !m_pScaledBitmap ||
            m_pScaledBitmap->getWidth() != width ||
            m_pScaledBitmap->getHeight() != height )
        {
            delete m_pScaledBitmap;
            m_pScaledBitmap =
                new ScaledBitmap( getIntf(), *m_pBgBitmap, width, height );
        }
        m_pImage->drawBitmap( *m_pScaledBitmap, 0, 0 );

        for( int yPos = 0; yPos < height; yPos += i_itemHeight )
        {
            if( it != m_rTree.end() )
            {
                if( it->isSelected() )
                {
                    int rectHeight = __MIN( i_itemHeight, height - yPos );
                    m_pImage->fillRect( 0, yPos, width, rectHeight,
                                        m_selColor );
                }
                do
                {
                    it = m_flat ? m_rTree.getNextLeaf( it )
                                : m_rTree.getNextVisibleItem( it );
                } while( it != m_rTree.end() && it->isDeleted() );
            }
        }
    }
    else
    {
        // FIXME (TRYME)
        // Fill background with background color
        uint32_t bgColor = m_bgColor1;
        m_pImage->fillRect( 0, 0, width, height, bgColor );
        for( int yPos = 0; yPos < height; yPos += i_itemHeight )
        {
            int rectHeight = __MIN( i_itemHeight, height - yPos );
            if( it == m_rTree.end() )
                m_pImage->fillRect( 0, yPos, width, rectHeight, bgColor );
            else
            {
                uint32_t color = ( it->isSelected() ? m_selColor : bgColor );
                m_pImage->fillRect( 0, yPos, width, rectHeight, color );
                do
                {
                    it = m_flat ? m_rTree.getNextLeaf( it )
                                : m_rTree.getNextVisibleItem( it );
                } while( it != m_rTree.end() && it->isDeleted() );
            }
            bgColor = ( bgColor == m_bgColor1 ? m_bgColor2 : m_bgColor1 );
        }
    }

    int bitmapWidth = itemImageWidth();

    int yPos = 0;
    it = m_firstPos;
    while( it != m_rTree.end() && yPos < height )
    {
        const GenericBitmap *m_pCurBitmap;
        UString *pStr = it->getString();
        uint32_t color = ( it->isPlaying() ? m_playColor : m_fgColor );

        // Draw the text
        if( pStr != NULL )
        {
            int depth = m_flat ? 1 : it->depth();
            GenericBitmap *pText = m_rFont.drawString( *pStr, color, width - bitmapWidth * depth );
            if( !pText )
            {
                stats_TimerStop( getIntf(), STATS_TIMER_SKINS_PLAYTREE_IMAGE );
                return;
            }
            if( it->size() )
                m_pCurBitmap = it->isExpanded() ? m_pOpenBitmap : m_pClosedBitmap;
            else
                m_pCurBitmap = m_pItemBitmap;

            if( m_pCurBitmap )
            {
                // Make sure we are centered on the line
                int yPos2 = yPos+(i_itemHeight-m_pCurBitmap->getHeight()+1)/2;
                if( yPos2 >= height )
                {
                    delete pText;
                    break;
                }
                m_pImage->drawBitmap( *m_pCurBitmap, 0, 0,
                                      bitmapWidth * (depth - 1 ), yPos2,
                                      m_pCurBitmap->getWidth(),
                                      __MIN( m_pCurBitmap->getHeight(),
                                             height -  yPos2), true );
            }
            yPos += i_itemHeight - pText->getHeight();
            int ySrc = 0;
            if( yPos < 0 )
            {
                ySrc = - yPos;
                yPos = 0;
            }
            int lineHeight = __MIN( pText->getHeight() - ySrc, height - yPos );
            m_pImage->drawBitmap( *pText, 0, ySrc, bitmapWidth * depth, yPos,
                                  pText->getWidth(),
                                  lineHeight, true );
            yPos += (pText->getHeight() - ySrc );
            delete pText;
        }
        do
        {
            it = m_flat ? m_rTree.getNextLeaf( it )
                : m_rTree.getNextVisibleItem( it );
        } while( it != m_rTree.end() && it->isDeleted() );
    }
    stats_TimerStop( getIntf(), STATS_TIMER_SKINS_PLAYTREE_IMAGE );
}