QSize BoardItemDelegate::sizeHint(const QStyleOptionViewItem & option,
const QModelIndex & index) const
{
QVariant var = index.model()->data(index);
if (qVariantCanConvert<BoardItem>(var))
{
BoardItem item = qvariant_cast<BoardItem>(var);
//вычислить размер
//QFontMetrics fm(option.font);
if (item.image.isNull())
{
//просто текст
QFont fn = option.font;
fn.setBold(true);
QFontMetrics fmCapt(fn);
QRect rect = option.rect;
rect = rect.adjusted(12, 0, 0, 0);
QRect rectCapt = fmCapt.boundingRect(rect,
Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap,
item.caption);
rect = option.rect;
fn.setBold(false);
QFontMetrics fmText(fn);
rect = rect.adjusted(12, rectCapt.height(), -12, 0);
QRect rectText = fmText.boundingRect(rect,
Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap,
item.text);
QSize sz(option.rect.width(),
rectCapt.height() + rectText.height() + fmText.height());
return sz;
}
else
{
QFontMetrics fm(option.font);
//текст с картинкой
QRect imgRect = item.image.rect();
//вычислить область под текст
QRect rect = option.rect;
rect = rect.adjusted(imgRect.width() + 6, 0, -12, 0);
rect = fm.boundingRect(rect, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap,
item.caption + "\n" + item.text);
QSize sz(option.rect.width(), rect.height() + 12);
//размер текста меньше чем картинка
if (sz.height() < imgRect.height() + fm.height())
{
//выровнять по картинке
return QSize(option.rect.width(), imgRect.height() + 2*fm.height());
}
else
{
//вернуть размер по тексту
return sz;
}
}
}
return QStyledItemDelegate::sizeHint(option, index);
}
void
PlayableItemWidget::paintEvent( QPaintEvent* event )
{
static QPixmap m_radio_left_hover = QPixmap( ":/meta_radio_LEFT_HOVER.png" );
static QPixmap m_radio_left_press = QPixmap( ":/meta_radio_LEFT_PRESS.png" );
static QPixmap m_radio_left_rest = QPixmap( ":/meta_radio_LEFT_REST.png" );
static QPixmap m_radio_middle_hover = QPixmap( ":/meta_radio_MIDDLE_HOVER.png" );
static QPixmap m_radio_middle_press = QPixmap( ":/meta_radio_MIDDLE_PRESS.png" );
static QPixmap m_radio_middle_rest = QPixmap( ":/meta_radio_MIDDLE_REST.png" );
static QPixmap m_radio_right_hover = QPixmap( ":/meta_radio_RIGHT_HOVER.png" );
static QPixmap m_radio_right_press = QPixmap( ":/meta_radio_RIGHT_PRESS.png" );
static QPixmap m_radio_right_rest = QPixmap( ":/meta_radio_RIGHT_REST.png" );
static QPixmap m_radio_small_hover = QPixmap( ":/radio_play_small_HOVER.png" );
static QPixmap m_radio_small_press = QPixmap( ":/radio_play_small_PRESS.png" );
static QPixmap m_radio_small_rest = QPixmap( ":/radio_play_small_REST.png" );
if ( m_style == DescriptionNone )
{
QPushButton::paintEvent( event );
}
else if ( m_style == DescriptionElide )
{
QPainter p(this);
QTextOption to;
to.setAlignment( Qt::AlignLeft | Qt::AlignVCenter );
QRect textRect = contentsRect().adjusted( 30, 0, 0, 0 );
p.drawText( textRect, fontMetrics().elidedText( text(), Qt::ElideRight, textRect.width() ), to );
if ( isDown() )
p.drawPixmap( rect().topLeft(), m_radio_small_press );
else if ( m_hovered )
p.drawPixmap( rect().topLeft(), m_radio_small_hover );
else
p.drawPixmap( rect().topLeft(), m_radio_small_rest );
}
else if ( m_style == DescriptionBottom )
{
QPushButton::paintEvent( event );
QPainter p( this );
p.setPen( QColor( 0x898989 ) );
QFont font = p.font();
font.setPixelSize( 12 );
p.setFont( font );
QTextOption to;
to.setAlignment( Qt::AlignBottom );
QFontMetrics fm( font );
QRect rect = contentsRect();
rect.adjust( 54, 0, 0, -14 );
p.drawText( rect, fm.elidedText( m_description, Qt::ElideRight, rect.width() ), to );
}
else if ( m_style == ThreePart )
{
QPainter p( this );
QRect middleRect = QRect( m_radio_left_rest.width(), 0, rect().width() - m_radio_left_rest.width() - m_radio_right_rest.width(), 49 );
if ( isDown() )
{
p.drawPixmap( rect().topLeft(), m_radio_left_press );
p.drawPixmap( middleRect, m_radio_middle_press );
p.drawPixmap( rect().topLeft() + QPoint( rect().width() - m_radio_right_press.width(), 0 ), m_radio_right_press );
}
else if ( m_hovered )
{
p.drawPixmap( rect().topLeft(), m_radio_left_hover );
p.drawPixmap( middleRect, m_radio_middle_hover );
p.drawPixmap( rect().topLeft() + QPoint( rect().width() - m_radio_right_hover.width(), 0 ), m_radio_right_hover );
}
else
{
p.drawPixmap( rect().topLeft(), m_radio_left_rest );
p.drawPixmap( middleRect, m_radio_middle_rest );
p.drawPixmap( rect().topLeft() + QPoint( rect().width() - m_radio_right_rest.width(), 0 ), m_radio_right_rest );
}
QFontMetrics fmText( font() );
QRect textRect = rect().adjusted( 40, 8, -20, 0 );
p.drawText( textRect, fmText.elidedText( text(), Qt::ElideRight, textRect.width() ) );
p.setPen( QColor( 0x898989 ) );
QFont font = p.font();
font.setPixelSize( 10 );
p.setFont( font );
QFontMetrics fmDesc( font );
QRect descRect = rect().adjusted( 40, 28, -20, 0 );
p.drawText( descRect, fmDesc.elidedText( m_description, Qt::ElideRight, descRect.width() ) );
}
}
