void ElidingButton::elideText( const QSize &widgetSize )
{
const int width = widgetSize.width();
const int iconWidth = icon().isNull() ? 0 : iconSize().width();
int left, top, right, bottom;
getContentsMargins( &left, &top, &right, &bottom );
int padding = left + right + 4;
int textWidth = width - ( iconWidth + padding );
QFontMetrics fm( font() );
QString elidedText = fm.elidedText( m_fullText, Qt::ElideRight, textWidth );
QPushButton::setText( elidedText );
bool elided = ( elidedText != m_fullText );
// If there is no tooltip set, then we set it to be the full text when elided,
// and clear it if the button is no longer elided.
const QString tip = toolTip();
if( elided && tip.isEmpty() )
setToolTip( m_fullText );
else if( !elided && tip == m_fullText )
setToolTip( QString() );
if( elided )
setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
else
setSizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
if( m_isElided != elided )
{
m_isElided = elided;
emit( sizePolicyChanged() );
}
}
BrowserBreadcrumbItem::BrowserBreadcrumbItem( BrowserCategory* category, QWidget* parent )
: KHBox( parent )
, m_menuButton( 0 )
{
//figure out if we want to add a menu to this item. A menu allows you to select
//any of the _sibling_ items. (yes, I know, this is different from how Dolphin
//does it, but I find the Dolphin way amazingly unintuitive and I always get it
//wrong when using it...)
BrowserCategoryList * parentList = category->parentList();
if( parentList )
{
m_menuButton = new BreadcrumbItemMenuButton( this );
QMenu *menu = new QMenu( 0 );
QMap<QString,BrowserCategory *> siblingMap = parentList->categories();
QStringList siblingNames = siblingMap.keys();
foreach( const QString &siblingName, siblingNames )
{
//no point in adding ourselves to this menu
if ( siblingName == category->name() )
continue;
BrowserCategory *siblingCategory = siblingMap.value( siblingName );
QAction *action = menu->addAction( siblingCategory->icon(), siblingCategory->prettyName() );
connect( action, SIGNAL( triggered() ), siblingMap.value( siblingName ), SLOT( activate() ) );
}
m_menuButton->setMenu( menu );
}
m_mainButton = new BreadcrumbItemButton( category->icon(), category->prettyName(), this );
if( category->prettyName().isEmpty() )
{
// root item
m_mainButton->setToolTip( i18n( "Media Sources Home" ) );
m_mainButton->setIcon( KIcon( "user-home" ) );
}
connect( m_mainButton, SIGNAL( sizePolicyChanged() ), this, SLOT( updateSizePolicy() ) );
//if this is a list, make cliking on this item cause us
//to navigate to its home.
BrowserCategoryList *list = qobject_cast<BrowserCategoryList*>( category );
if ( list )
{
connect( m_mainButton, SIGNAL( clicked( bool ) ), list, SLOT( home() ) );
}
else
{
connect( m_mainButton, SIGNAL( clicked( bool ) ), category, SLOT( reActivate() ) );
}
adjustSize();
m_nominalWidth = width();
hide();
updateSizePolicy();
}
