-LocationBar::LocationBar( PLModel *m )
-{
- model = m;
- mapper = new QSignalMapper( this );
- CONNECT( mapper, mapped( int ), this, invoke( int ) );
-
- btnMore = new LocationButton( "...", false, true, this );
- menuMore = new QMenu( this );
- btnMore->setMenu( menuMore );
-}
-
-void LocationBar::setIndex( const QModelIndex &index )
-{
- qDeleteAll( buttons );
- buttons.clear();
- qDeleteAll( actions );
- actions.clear();
-
- QModelIndex i = index;
- bool first = true;
-
- while( true )
- {
- PLItem *item = model->getItem( i );
-
- char *fb_name = input_item_GetTitleFbName( item->inputItem() );
- QString text = qfu(fb_name);
- free(fb_name);
-
- QAbstractButton *btn = new LocationButton( text, first, !first, this );
- btn->setSizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
- buttons.append( btn );
-
- QAction *action = new QAction( text, this );
- actions.append( action );
- CONNECT( btn, clicked(), action, trigger() );
-
- mapper->setMapping( action, item->id() );
- CONNECT( action, triggered(), mapper, map() );
-
- first = false;
-
- if( i.isValid() ) i = i.parent();
- else break;
- }
-
- QString prefix;
- for( int a = actions.count() - 1; a >= 0 ; a-- )
- {
- actions[a]->setText( prefix + actions[a]->text() );
- prefix += QString(" ");
- }
-
- if( isVisible() ) layOut( size() );
-}
-
-void LocationBar::setRootIndex()
-{
- setIndex( QModelIndex() );
-}
-
-void LocationBar::invoke( int i_id )
-{
- QModelIndex index = model->index( i_id, 0 );
- emit invoked ( index );
-}
-
-void LocationBar::layOut( const QSize& size )
-{
- menuMore->clear();
- widths.clear();
-
- int count = buttons.count();
- int totalWidth = 0;
- for( int i = 0; i < count; i++ )
- {
- int w = buttons[i]->sizeHint().width();
- widths.append( w );
- totalWidth += w;
- if( totalWidth > size.width() ) break;
- }
-
- int x = 0;
- int shown = widths.count();
-
- if( totalWidth > size.width() && count > 1 )
- {
- QSize sz = btnMore->sizeHint();
- btnMore->setGeometry( 0, 0, sz.width(), size.height() );
- btnMore->show();
- x = sz.width();
- totalWidth += x;
- }
- else
- {
- btnMore->hide();
- }
- for( int i = count - 1; i >= 0; i-- )
- {
- if( totalWidth <= size.width() || i == 0)
- {
- buttons[i]->setGeometry( x, 0, qMin( size.width() - x, widths[i] ), size.height() );
- buttons[i]->show();
- x += widths[i];
- totalWidth -= widths[i];
- }
- else
- {
- menuMore->addAction( actions[i] );
- buttons[i]->hide();
- if( i < shown ) totalWidth -= widths[i];
- }
- }
-}
-
-void LocationBar::resizeEvent ( QResizeEvent * event )
-{
- layOut( event->size() );
-}
-
-QSize LocationBar::sizeHint() const
-{
- return btnMore->sizeHint();
-}
-
-LocationButton::LocationButton( const QString &text, bool bold,
- bool arrow, QWidget * parent )
- : b_arrow( arrow ), QPushButton( parent )
-{
- QFont font;
- font.setBold( bold );
- setFont( font );
- setText( text );
-}
-
-#define PADDING 4
-
-void LocationButton::paintEvent ( QPaintEvent * event )
-{
- QStyleOptionButton option;
- option.initFrom( this );
- option.state |= QStyle::State_Enabled;
- QPainter p( this );
-
- if( underMouse() )
- {
- p.save();
- p.setRenderHint( QPainter::Antialiasing, true );
- QColor c = palette().color( QPalette::Highlight );
- p.setPen( c );
- p.setBrush( c.lighter( 150 ) );
- p.setOpacity( 0.2 );
- p.drawRoundedRect( option.rect.adjusted( 0, 2, 0, -2 ), 5, 5 );
- p.restore();
- }
-
- QRect r = option.rect.adjusted( PADDING, 0, -PADDING - (b_arrow ? 10 : 0), 0 );
-
- QString str( text() );
- /* This check is absurd, but either it is not done properly inside elidedText(),
- or boundingRect() is wrong */
- if( r.width() < fontMetrics().boundingRect( text() ).width() )
- str = fontMetrics().elidedText( text(), Qt::ElideRight, r.width() );
- p.drawText( r, Qt::AlignVCenter | Qt::AlignLeft, str );
-
- if( b_arrow )
- {
- option.rect.setWidth( 10 );
- option.rect.moveRight( rect().right() );
- style()->drawPrimitive( QStyle::PE_IndicatorArrowRight, &option, &p );
- }
-}
-
-QSize LocationButton::sizeHint() const
-{
- QSize s( fontMetrics().boundingRect( text() ).size() );
- /* Add two pixels to width: font metrics are buggy, if you pass text through elidation
- with exactly the width of its bounding rect, sometimes it still elides */
- s.setWidth( s.width() + ( 2 * PADDING ) + ( b_arrow ? 10 : 0 ) + 2 );
- s.setHeight( s.height() + 2 * PADDING );
- return s;
-}
-
-#undef PADDING