]> git.sesse.net Git - vlc/blobdiff - modules/gui/qt4/components/playlist/standardpanel.cpp
Qt4: make sure Item can be scrolled to visible even in treeview
[vlc] / modules / gui / qt4 / components / playlist / standardpanel.cpp
index d7eab18b269c33fe895e19f8b53aa9a8cea8f997..fad33cbfff67db2b424c3bbae3ab7b8d8f85f2b7 100644 (file)
 # include "config.h"
 #endif
 
-#include "qt4.hpp"
 #include "dialogs_provider.hpp"
 
 #include "components/playlist/playlist_model.hpp"
 #include "components/playlist/standardpanel.hpp"
 #include "components/playlist/icon_view.hpp"
 #include "util/customwidgets.hpp"
+#include "menus.hpp"
 
 #include <vlc_intf_strings.h>
 
 #include <QMenu>
 #include <QSignalMapper>
 #include <QWheelEvent>
+#include <QToolButton>
+#include <QFontMetrics>
+#include <QPainter>
+#include <QStackedLayout>
 
 #include <assert.h>
 
 #include "sorting.h"
 
+static const QString viewNames[] = { qtr( "Detailed View" ),
+                                     qtr( "Icon View" ),
+                                     qtr( "List View" ) };
+
 StandardPLPanel::StandardPLPanel( PlaylistWidget *_parent,
                                   intf_thread_t *_p_intf,
                                   playlist_t *p_playlist,
@@ -59,12 +67,235 @@ StandardPLPanel::StandardPLPanel( PlaylistWidget *_parent,
     layout->setSpacing( 0 ); layout->setMargin( 0 );
     setMinimumWidth( 300 );
 
+    iconView = NULL;
+    treeView = NULL;
+    listView = NULL;
+    viewStack = new QStackedLayout();
+    layout->addLayout( viewStack, 1, 0, 1, -1 );
+
     model = new PLModel( p_playlist, p_intf, p_root, this );
+    currentRootId = -1;
+    currentRootIndexId = -1;
+    lastActivatedId = -1;
+
+    locationBar = new LocationBar( model );
+    locationBar->setSizePolicy( QSizePolicy::Ignored, QSizePolicy::Preferred );
+    layout->addWidget( locationBar, 0, 0 );
+    layout->setColumnStretch( 0, 5 );
+    CONNECT( locationBar, invoked( const QModelIndex & ),
+             this, browseInto( const QModelIndex & ) );
+
+    searchEdit = new SearchLineEdit( this );
+    searchEdit->setMaximumWidth( 250 );
+    searchEdit->setMinimumWidth( 80 );
+    layout->addWidget( searchEdit, 0, 2 );
+    CONNECT( searchEdit, textChanged( const QString& ),
+             this, search( const QString& ) );
+    layout->setColumnStretch( 2, 3 );
+
+    /* Button to switch views */
+    QToolButton *viewButton = new QToolButton( this );
+    viewButton->setIcon( style()->standardIcon( QStyle::SP_FileDialogDetailedView ) );
+    viewButton->setToolTip( qtr("Change playlistview"));
+    layout->addWidget( viewButton, 0, 1 );
+
+    /* View selection menu */
+    viewSelectionMapper = new QSignalMapper( this );
+    CONNECT( viewSelectionMapper, mapped( int ), this, showView( int ) );
+
+    QActionGroup *actionGroup = new QActionGroup( this );
+
+    for( int i = 0; i < VIEW_COUNT; i++ )
+    {
+        viewActions[i] = actionGroup->addAction( viewNames[i] );
+        viewActions[i]->setCheckable( true );
+        viewSelectionMapper->setMapping( viewActions[i], i );
+        CONNECT( viewActions[i], triggered(), viewSelectionMapper, map() );
+    }
+
+    BUTTONACT( viewButton, cycleViews() );
+    QMenu *viewMenu = new QMenu( this );
+    viewMenu->addActions( actionGroup->actions() );
+
+    viewButton->setMenu( viewMenu );
+
+    /* Saved Settings */
+    getSettings()->beginGroup("Playlist");
+
+    int i_viewMode = getSettings()->value( "view-mode", TREE_VIEW ).toInt();
+
+    getSettings()->endGroup();
+
+    showView( i_viewMode );
+
+    DCONNECT( THEMIM, leafBecameParent( input_item_t *),
+              this, browseInto( input_item_t * ) );
+
+    CONNECT( model, currentChanged( const QModelIndex& ),
+             this, handleExpansion( const QModelIndex& ) );
+    CONNECT( model, rootChanged(), this, handleRootChange() );
+}
+
+StandardPLPanel::~StandardPLPanel()
+{
+    getSettings()->beginGroup("Playlist");
+    if( treeView )
+        getSettings()->setValue( "headerStateV2", treeView->header()->saveState() );
+    if( currentView == treeView )
+        getSettings()->setValue( "view-mode", TREE_VIEW );
+    else if( currentView == listView )
+        getSettings()->setValue( "view-mode", LIST_VIEW );
+    else if( currentView == iconView )
+        getSettings()->setValue( "view-mode", ICON_VIEW );
+    getSettings()->endGroup();
+}
+
+/* Unused anymore, but might be useful, like in right-click menu */
+void StandardPLPanel::gotoPlayingItem()
+{
+    currentView->scrollTo( model->currentIndex() );
+}
+
+void StandardPLPanel::handleExpansion( const QModelIndex& index )
+{
+    assert( currentView );
+    browseInto( index.parent() );
+    currentView->scrollTo( index );
+}
+
+void StandardPLPanel::handleRootChange()
+{
+    browseInto();
+}
+
+void StandardPLPanel::popupPlView( const QPoint &point )
+{
+    QModelIndex index = currentView->indexAt( point );
+    QPoint globalPoint = currentView->viewport()->mapToGlobal( point );
+    QItemSelectionModel *selection = currentView->selectionModel();
+    QModelIndexList list = selection->selectedIndexes();
+
+    if( !model->popup( index, globalPoint, list ) )
+        QVLCMenu::PopupMenu( p_intf, true );
+}
+
+void StandardPLPanel::popupSelectColumn( QPoint pos )
+{
+    QMenu menu;
+    assert( treeView );
+
+    /* We do not offer the option to hide index 0 column, or
+    * QTreeView will behave weird */
+    int i, j;
+    for( i = 1 << 1, j = 1; i < COLUMN_END; i <<= 1, j++ )
+    {
+        QAction* option = menu.addAction(
+            qfu( psz_column_title( i ) ) );
+        option->setCheckable( true );
+        option->setChecked( !treeView->isColumnHidden( j ) );
+        selectColumnsSigMapper->setMapping( option, j );
+        CONNECT( option, triggered(), selectColumnsSigMapper, map() );
+    }
+    menu.exec( QCursor::pos() );
+}
+
+void StandardPLPanel::toggleColumnShown( int i )
+{
+    treeView->setColumnHidden( i, !treeView->isColumnHidden( i ) );
+}
+
+/* Search in the playlist */
+void StandardPLPanel::search( const QString& searchText )
+{
+    bool flat = currentView == iconView || currentView == listView;
+    model->search( searchText,
+                   flat ? currentView->rootIndex() : QModelIndex(),
+                   !flat );
+}
 
+/* Set the root of the new Playlist */
+/* This activated by the selector selection */
+void StandardPLPanel::setRoot( playlist_item_t *p_item )
+{
+    model->rebuild( p_item );
+}
+
+void StandardPLPanel::browseInto( const QModelIndex &index )
+{
+    if( currentView == iconView || currentView == listView )
+    {
+        currentRootIndexId = model->itemId( index );;
+        currentView->setRootIndex( index );
+    }
+
+    locationBar->setIndex( index );
+    searchEdit->clear();
+}
+
+void StandardPLPanel::browseInto( )
+{
+    browseInto( currentRootIndexId != -1 && currentView != treeView ?
+                model->index( currentRootIndexId, 0 ) :
+                QModelIndex() );
+}
+
+void StandardPLPanel::wheelEvent( QWheelEvent *e )
+{
+    // Accept this event in order to prevent unwanted volume up/down changes
+    e->accept();
+}
+
+bool StandardPLPanel::eventFilter ( QObject * watched, QEvent * event )
+{
+    if (event->type() == QEvent::KeyPress)
+    {
+        QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
+        if( keyEvent->key() == Qt::Key_Delete ||
+            keyEvent->key() == Qt::Key_Backspace )
+        {
+            deleteSelection();
+            return true;
+        }
+    }
+    return false;
+}
+
+void StandardPLPanel::deleteSelection()
+{
+    QItemSelectionModel *selection = currentView->selectionModel();
+    QModelIndexList list = selection->selectedIndexes();
+    model->doDelete( list );
+}
+
+void StandardPLPanel::createIconView()
+{
+    iconView = new PlIconView( model, this );
+    iconView->setContextMenuPolicy( Qt::CustomContextMenu );
+    CONNECT( iconView, customContextMenuRequested( const QPoint & ),
+             this, popupPlView( const QPoint & ) );
+    CONNECT( iconView, activated( const QModelIndex & ),
+             this, activate( const QModelIndex & ) );
+    iconView->installEventFilter( this );
+    viewStack->addWidget( iconView );
+}
+
+void StandardPLPanel::createListView()
+{
+    listView = new PlListView( model, this );
+    listView->setContextMenuPolicy( Qt::CustomContextMenu );
+    CONNECT( listView, customContextMenuRequested( const QPoint & ),
+             this, popupPlView( const QPoint & ) );
+    CONNECT( listView, activated( const QModelIndex & ),
+             this, activate( const QModelIndex & ) );
+    listView->installEventFilter( this );
+    viewStack->addWidget( listView );
+}
+
+
+void StandardPLPanel::createTreeView()
+{
     /* Create and configure the QTreeView */
-    treeView = new QTreeView;
-    treeView->setModel( model );
-    iconView = NULL;
+    treeView = new PlTreeView;
 
     treeView->setIconSize( QSize( 20, 20 ) );
     treeView->setAlternatingRowColors( true );
@@ -83,11 +314,11 @@ StandardPLPanel::StandardPLPanel( PlaylistWidget *_parent,
     treeView->setDropIndicatorShown( true );
     treeView->setContextMenuPolicy( Qt::CustomContextMenu );
 
-    //treeView->installEventFilter( this );
-    //<jleben> I guess we don't need that
+    /* setModel after setSortingEnabled(true), or the model will sort immediately! */
+    treeView->setModel( model );
 
-    /* Saved Settings */
     getSettings()->beginGroup("Playlist");
+
     if( getSettings()->contains( "headerStateV2" ) )
     {
         treeView->header()->restoreState(
@@ -102,274 +333,300 @@ StandardPLPanel::StandardPLPanel( PlaylistWidget *_parent,
             else if( m == COLUMN_DURATION ) treeView->header()->resizeSection( c, 80 );
         }
     }
+
     getSettings()->endGroup();
 
     /* Connections for the TreeView */
     CONNECT( treeView, activated( const QModelIndex& ),
-             model,activateItem( const QModelIndex& ) );
+             this, activate( const QModelIndex& ) );
     CONNECT( treeView->header(), customContextMenuRequested( const QPoint & ),
              this, popupSelectColumn( QPoint ) );
     CONNECT( treeView, customContextMenuRequested( const QPoint & ),
-             this, treeViewPopup( const QPoint & ) );
-    CONNECT( model, currentChanged( const QModelIndex& ),
-             this, handleExpansion( const QModelIndex& ) );
-
-    currentRootId = -1;
-
-    /* Title label */
-    title = new QLabel;
-    QFont titleFont;
-    titleFont.setPointSize( titleFont.pointSize() + 6 );
-    titleFont.setFamily( "Verdana" );
-    title->setFont( titleFont );
-    layout->addWidget( title, 0, 0 );
-
-    /* A Spacer and the search possibilities */
-    layout->setColumnStretch( 1, 10 );
-
-    SearchLineEdit *search = new SearchLineEdit( this );
-    search->setMaximumWidth( 200 );
-    layout->addWidget( search, 0, 4 );
-    CONNECT( search, textChanged( const QString& ),
-             this, search( const QString& ) );
-    layout->setColumnStretch( 4, 1 );
-
-    /* Add item to the playlist button */
-    addButton = new QPushButton;
-    addButton->setIcon( QIcon( ":/buttons/playlist/playlist_add" ) );
-    addButton->setMaximumWidth( 30 );
-    BUTTONACT( addButton, popupAdd() );
-    layout->addWidget( addButton, 0, 3 );
-
-    QPushButton *viewButton = new QPushButton( this );
-    viewButton->setIcon( QIcon( ":/buttons/playlist/playlist_add" ) );
-    layout->addWidget( viewButton, 0, 2 );
-    BUTTONACT( viewButton, toggleView() );
-
-    /* Finish the layout */
-    layout->addWidget( treeView, 1, 0, 1, -1 );
+             this, popupPlView( const QPoint & ) );
+    treeView->installEventFilter( this );
 
+    /* SignalMapper for columns */
     selectColumnsSigMapper = new QSignalMapper( this );
     CONNECT( selectColumnsSigMapper, mapped( int ),
              this, toggleColumnShown( int ) );
-}
 
-StandardPLPanel::~StandardPLPanel()
-{
-    getSettings()->beginGroup("Playlist");
-    getSettings()->setValue( "headerStateV2", treeView->header()->saveState() );
-    getSettings()->endGroup();
+    /* Finish the layout */
+    viewStack->addWidget( treeView );
 }
 
-/* Unused anymore, but might be useful, like in right-click menu */
-void StandardPLPanel::gotoPlayingItem()
+void StandardPLPanel::showView( int i_view )
 {
-    treeView->scrollTo( model->currentIndex() );
+    switch( i_view )
+    {
+    case TREE_VIEW:
+    {
+        if( treeView == NULL )
+            createTreeView();
+        currentView = treeView;
+        break;
+    }
+    case ICON_VIEW:
+    {
+        if( iconView == NULL )
+            createIconView();
+        currentView = iconView;
+        break;
+    }
+    case LIST_VIEW:
+    {
+        if( listView == NULL )
+            createListView();
+        currentView = listView;
+        break;
+    }
+    default: return;
+    }
+
+    viewStack->setCurrentWidget( currentView );
+    viewActions[i_view]->setChecked( true );
+    browseInto();
+    gotoPlayingItem();
 }
 
-void StandardPLPanel::handleExpansion( const QModelIndex& index )
+void StandardPLPanel::cycleViews()
 {
-    treeView->scrollTo( index );
+    if( currentView == iconView )
+        showView( TREE_VIEW );
+    else if( currentView == treeView )
+        showView( LIST_VIEW );
+    else if( currentView == listView )
+        showView( ICON_VIEW );
+    else
+        assert( 0 );
 }
 
-/* PopupAdd Menu for the Add Menu */
-void StandardPLPanel::popupAdd()
+void StandardPLPanel::activate( const QModelIndex &index )
 {
-    QMenu popup;
-    if( currentRootId == THEPL->p_local_category->i_id ||
-        currentRootId == THEPL->p_local_onelevel->i_id )
+    if( !index.data( PLModel::IsLeafNodeRole ).toBool() )
     {
-        popup.addAction( qtr(I_PL_ADDF), THEDP, SLOT( simplePLAppendDialog()) );
-        popup.addAction( qtr(I_PL_ADDDIR), THEDP, SLOT( PLAppendDir()) );
-        popup.addAction( qtr(I_OP_ADVOP), THEDP, SLOT( PLAppendDialog()) );
+        if( currentView != treeView )
+            browseInto( index );
     }
-    else if( ( THEPL->p_ml_category &&
-                currentRootId == THEPL->p_ml_category->i_id ) ||
-             ( THEPL->p_ml_onelevel &&
-                currentRootId == THEPL->p_ml_onelevel->i_id ) )
+    else
     {
-        popup.addAction( qtr(I_PL_ADDF), THEDP, SLOT( simpleMLAppendDialog()) );
-        popup.addAction( qtr(I_PL_ADDDIR), THEDP, SLOT( MLAppendDir() ) );
-        popup.addAction( qtr(I_OP_ADVOP), THEDP, SLOT( MLAppendDialog() ) );
+        playlist_Lock( THEPL );
+        playlist_item_t *p_item = playlist_ItemGetById( THEPL, model->itemId( index ) );
+        p_item->i_flags |= PLAYLIST_SUBITEM_STOP_FLAG;
+        lastActivatedId = p_item->p_input->i_id;
+        playlist_Unlock( THEPL );
+        model->activateItem( index );
     }
-
-    popup.exec( QCursor::pos() - addButton->mapFromGlobal( QCursor::pos() )
-                        + QPoint( 0, addButton->height() ) );
 }
 
-void StandardPLPanel::popupSelectColumn( QPoint pos )
+void StandardPLPanel::browseInto( input_item_t *p_input )
 {
-    QMenu menu;
 
-    /* We do not offer the option to hide index 0 column, or
-    * QTreeView will behave weird */
-    int i, j;
-    for( i = 1 << 1, j = 1; i < COLUMN_END; i <<= 1, j++ )
+    if( p_input->i_id != lastActivatedId ) return;
+
+    playlist_Lock( THEPL );
+
+    playlist_item_t *p_item = playlist_ItemGetByInput( THEPL, p_input );
+    if( !p_item )
     {
-        QAction* option = menu.addAction(
-            qfu( psz_column_title( i ) ) );
-        option->setCheckable( true );
-        option->setChecked( !treeView->isColumnHidden( j ) );
-        selectColumnsSigMapper->setMapping( option, j );
-        CONNECT( option, triggered(), selectColumnsSigMapper, map() );
+        playlist_Unlock( THEPL );
+        return;
     }
-    menu.exec( QCursor::pos() );
+
+    QModelIndex index = model->index( p_item->i_id, 0 );
+
+    playlist_Unlock( THEPL );
+
+    if( currentView == treeView )
+        treeView->setExpanded( index, true );
+    else
+        browseInto( index );
+
+    lastActivatedId = -1;
+
+
 }
 
-void StandardPLPanel::treeViewPopup( const QPoint &point )
+LocationBar::LocationBar( PLModel *m )
 {
-    QModelIndex index = treeView->indexAt( point );
-    QPoint globalPoint = treeView->viewport()->mapToGlobal( point );
-    QItemSelectionModel *selection = treeView->selectionModel();
-    QModelIndexList list = selection->selectedIndexes();
-    model->popup( index, globalPoint, list );
+    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 StandardPLPanel::toggleColumnShown( int i )
+void LocationBar::setIndex( const QModelIndex &index )
 {
-    treeView->setColumnHidden( i, !treeView->isColumnHidden( i ) );
+    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() );
 }
 
-/* Search in the playlist */
-void StandardPLPanel::search( const QString& searchText )
+void LocationBar::setRootIndex()
 {
-    model->search( searchText );
+    setIndex( QModelIndex() );
 }
 
-void StandardPLPanel::doPopup( QModelIndex index, QPoint point )
+void LocationBar::invoke( int i_id )
 {
-    QItemSelectionModel *selection = treeView->selectionModel();
-    QModelIndexList list = selection->selectedIndexes();
-    model->popup( index, point, list );
+    QModelIndex index = model->index( i_id, 0 );
+    emit invoked ( index );
 }
 
-/* Set the root of the new Playlist */
-/* This activated by the selector selection */
-void StandardPLPanel::setRoot( playlist_item_t *p_item )
+void LocationBar::layOut( const QSize& size )
 {
-    QPL_LOCK;
-    assert( p_item );
-
-    playlist_item_t *p_pref_item = playlist_GetPreferredNode( THEPL, p_item );
-    if( p_pref_item ) p_item = p_pref_item;
-
-    /* needed for popupAdd() */
-    currentRootId = p_item->i_id;
-
-    /* cosmetics, ..still need playlist locking.. */
-    char *psz_title = input_item_GetName( p_item->p_input );
-    title->setText( qfu(psz_title) );
-    free( psz_title );
+    menuMore->clear();
+    widths.clear();
 
-    QPL_UNLOCK;
+    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;
+    }
 
-    /* do THE job */
-    model->rebuild( p_item );
+    int x = 0;
+    int shown = widths.count();
 
-    /* enable/disable adding */
-    if( p_item == THEPL->p_local_category ||
-        p_item == THEPL->p_local_onelevel )
+    if( totalWidth > size.width() && count > 1 )
     {
-        addButton->setEnabled( true );
-        addButton->setToolTip( qtr(I_PL_ADDPL) );
+        QSize sz = btnMore->sizeHint();
+        btnMore->setGeometry( 0, 0, sz.width(), size.height() );
+        btnMore->show();
+        x = sz.width();
+        totalWidth += x;
     }
-    else if( ( THEPL->p_ml_category && p_item == THEPL->p_ml_category) ||
-              ( THEPL->p_ml_onelevel && p_item == THEPL->p_ml_onelevel ) )
+    else
     {
-        addButton->setEnabled( true );
-        addButton->setToolTip( qtr(I_PL_ADDML) );
+        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];
+        }
     }
-    else
-        addButton->setEnabled( false );
 }
 
-void StandardPLPanel::removeItem( int i_id )
+void LocationBar::resizeEvent ( QResizeEvent * event )
 {
-    model->removeItem( i_id );
+    layOut( event->size() );
 }
 
-/* Delete and Suppr key remove the selection
-   FilterKey function and code function */
-void StandardPLPanel::keyPressEvent( QKeyEvent *e )
+QSize LocationBar::sizeHint() const
 {
-    switch( e->key() )
-    {
-    case Qt::Key_Back:
-    case Qt::Key_Delete:
-        deleteSelection();
-        break;
-    }
+    return btnMore->sizeHint();
 }
 
-void StandardPLPanel::deleteSelection()
+LocationButton::LocationButton( const QString &text, bool bold,
+                                bool arrow, QWidget * parent )
+  : b_arrow( arrow ), QPushButton( parent )
 {
-    QItemSelectionModel *selection = treeView->selectionModel();
-    QModelIndexList list = selection->selectedIndexes();
-    model->doDelete( list );
+    QFont font;
+    font.setBold( bold );
+    setFont( font );
+    setText( text );
 }
 
-void StandardPLPanel::toggleView()
+#define PADDING 4
+
+void LocationButton::paintEvent ( QPaintEvent * event )
 {
-    if( treeView && treeView->isVisible() )
-    {
-        if( iconView == NULL )
-        {
-            iconView = new PlIconView( model, this );
-            layout->addWidget( iconView, 1, 0, 1, -1 );
-            installEventFilter( iconView );
-        }
-        treeView->hide();
-        iconView->show();
-    }
-    else
+    QStyleOptionButton option;
+    option.initFrom( this );
+    option.state |= QStyle::State_Enabled;
+    QPainter p( this );
+
+    if( underMouse() )
     {
-        iconView->hide();
-        treeView->show();
+        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();
     }
-}
 
-bool StandardPLPanel::eventFilter( QObject *obj, QEvent *event )
-{
-    QAbstractItemView *aView = qobject_cast<QAbstractItemView *>(obj);
-    if( !aView ) return false;
+    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 );
 
-    switch( event->type() )
+    if( b_arrow )
     {
-        case QEvent::MouseButtonPress:
-            {
-                QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
-                if( mouseEvent->button() & Qt::RightButton )
-                {
-                    QModelIndex index = aView->indexAt(
-                            QPoint( mouseEvent->x(), mouseEvent->y() ) );
-                    doPopup( index, QCursor::pos() );
-                    return true;
-                }
-                else if( mouseEvent->button() & Qt::LeftButton )
-                {
-                    if( !aView->indexAt( QPoint( mouseEvent->x(),
-                                                mouseEvent->y() ) ).isValid() )
-                        aView->clearSelection();
-                }
-                // aView->mousePressEvent( mouseEvent );
-            }
-            return true;
-        case QEvent::MouseButtonRelease:
-            {
-                QMouseEvent *mouseEvent2 = static_cast<QMouseEvent *>(event);
-                if( mouseEvent2->button() & Qt::RightButton )
-                    return false; /* Do NOT forward to QTreeView!! */
-                // aView->mouseReleaseEvent( mouseEvent );
-                return true;
-            }
-        default:
-            return false;
+        option.rect.setWidth( 10 );
+        option.rect.moveRight( rect().right() );
+        style()->drawPrimitive( QStyle::PE_IndicatorArrowRight, &option, &p );
     }
-    return true;
 }
 
-void StandardPLPanel::wheelEvent( QWheelEvent *e )
+QSize LocationButton::sizeHint() const
 {
-    // Accept this event in order to prevent unwanted volume up/down changes
-    e->accept();
+    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