dirview-main-cpp.html

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            while( (fi=it.<a href="qlistviewitemiterator.html#b134cd">current</a>()) != 0 ) {
                ++it;
                if ( fi-&gt;<a href="qfileinfo.html#a9e3d2">fileName</a>() == "." || fi-&gt;<a href="qfileinfo.html#a9e3d2">fileName</a>() == ".." )
                    ; // nothing
                else if ( fi-&gt;<a href="qfileinfo.html#147c8d">isSymLink</a>() &amp;&amp; !showDirsOnly ) {
                    FileItem *item = new FileItem( this, fi-&gt;<a href="qfileinfo.html#a9e3d2">fileName</a>(),
                                                     "Symbolic Link" );
                    item-&gt;<a href="qlistviewitem.html#3b5494">setPixmap</a>( fileNormal );
                }
                else if ( fi-&gt;<a href="qfileinfo.html#70e102">isDir</a>() )
                    (void)new Directory( this, fi-&gt;<a href="qfileinfo.html#a9e3d2">fileName</a>() );
                else if ( !showDirsOnly ) {
                    FileItem *item
                        = new FileItem( this, fi-&gt;<a href="qfileinfo.html#a9e3d2">fileName</a>(),
                                             fi-&gt;<a href="qfileinfo.html#177d67">isFile</a>()?"File":"Special" );
                    item-&gt;<a href="qlistviewitem.html#3b5494">setPixmap</a>( fileNormal );
                }
            }
        }
        <a href="qlistviewitem.html#5a9872">listView</a>()-&gt;setUpdatesEnabled( TRUE );
    }
    <a href="qlistviewitem.html#1c5a28">QListViewItem::setOpen</a>( o );
}

void <a name="465"></a>Directory::setup()
{
    <a href="qlistviewitem.html#725aac">setExpandable</a>( TRUE );
    <a href="qlistviewitem.html#c97f42">QListViewItem::setup</a>();
}

<a href="qstring.html">QString</a> <a name="466"></a>Directory::fullName()
{
    <a href="qstring.html">QString</a> s;
    if ( p ) {
        s = p-&gt;fullName();
        s.<a href="qstring.html#7478cb">append</a>( f.name() );
        s.<a href="qstring.html#7478cb">append</a>( "/" );
    } else {
        s = f.name();
    }
    return s;
}

<a href="qstring.html">QString</a> <a name="467"></a>Directory::text( int column ) const
{
    if ( column == 0 )
        return f.name();
    else if ( readable )
        return "Directory";
    else
        return "Unreadable Directory";
}

/*****************************************************************************
 *
 * Class DirectoryView
 *
 *****************************************************************************/

DirectoryView::DirectoryView( <a href="qwidget.html">QWidget</a> *parent, const char *name, bool sdo )
    : <a href="qlistview.html">QListView</a>( parent, name ), dirsOnly( sdo ), oldCurrent( 0 ),
      dropItem( 0 ), mousePressed( FALSE )
{
    autoopen_timer = new <a href="qtimer.html">QTimer</a>( this );
    if ( !folderLocked ) {
        folderLocked = new <a href="qpixmap.html">QPixmap</a>( folder_locked );
        folderClosed = new <a href="qpixmap.html">QPixmap</a>( folder_closed_xpm );
        folderOpen = new <a href="qpixmap.html">QPixmap</a>( folder_open_xpm );
        fileNormal = new <a href="qpixmap.html">QPixmap</a>( pix_file );
    }

    <a href="qobject.html#fbde73">connect</a>( this, SIGNAL( <a href="qlistview.html#653d82">doubleClicked</a>( <a href="qlistviewitem.html">QListViewItem</a> * ) ),
             this, SLOT( <a href=#451>slotFolderSelected</a>( <a href="qlistviewitem.html">QListViewItem</a> * ) ) );
    <a href="qobject.html#fbde73">connect</a>( this, SIGNAL( <a href="qlistview.html#25ca1d">returnPressed</a>( <a href="qlistviewitem.html">QListViewItem</a> * ) ),
             this, SLOT( <a href=#451>slotFolderSelected</a>( <a href="qlistviewitem.html">QListViewItem</a> * ) ) );

    <a href="qwidget.html#8169cb">setAcceptDrops</a>( TRUE );
    <a href="qscrollview.html#26f2bf">viewport</a>()-&gt;setAcceptDrops( TRUE );

    <a href="qobject.html#fbde73">connect</a>( autoopen_timer, SIGNAL( timeout() ),
             this, SLOT( <a href=#452>openFolder</a>() ) );
}

void <a name="451"></a>DirectoryView::slotFolderSelected( <a href="qlistviewitem.html">QListViewItem</a> *i )
{
    if ( !i || !showDirsOnly() )
        return;

    Directory *dir = (Directory*)i;
    emit folderSelected( dir-&gt;fullName() );
}

void <a name="452"></a>DirectoryView::openFolder()
{
    autoopen_timer-&gt;stop();
    if ( dropItem &amp;&amp; !dropItem-&gt;isOpen() ) {
        dropItem-&gt;setOpen( TRUE );
        dropItem-&gt;repaint();
    }
}

static const int autoopenTime = 750;

void <a name="453"></a>DirectoryView::contentsDragEnterEvent( <a href="qdragenterevent.html">QDragEnterEvent</a> *e )
{
    if ( !QUriDrag::canDecode(e) ) {
        e-&gt;ignore();
        return;
    }

    oldCurrent = currentItem();

    <a href="qlistviewitem.html">QListViewItem</a> *i = itemAt( <a href="qscrollview.html#daa8c7">contentsToViewport</a>(e-&gt;<a href="qmouseevent.html#ac6f25">pos</a>()) );
    if ( i ) {
        dropItem = i;
        autoopen_timer-&gt;start( autoopenTime );
    }
}

void <a name="454"></a>DirectoryView::contentsDragMoveEvent( <a href="qdragmoveevent.html">QDragMoveEvent</a> *e )
{
    if ( !QUriDrag::canDecode(e) ) {
        e-&gt;ignore();
        return;
    }

    <a href="qpoint.html">QPoint</a> vp = contentsToViewport( ( (<a href="qdragmoveevent.html">QDragMoveEvent</a>*)e )-&gt;pos() );
    <a href="qlistviewitem.html">QListViewItem</a> *i = itemAt( vp );
    if ( i ) {
        <a href="qlistview.html#8e2ad6">setSelected</a>( i, TRUE );
        e-&gt;accept();
        if ( i != dropItem ) {
            autoopen_timer-&gt;stop();
            dropItem = i;
            autoopen_timer-&gt;start( autoopenTime );
        }
        switch ( e-&gt;action() ) {
        case QDropEvent::Copy:
            break;
        case QDropEvent::Move:
            e-&gt;acceptAction();
            break;
        case QDropEvent::Link:
            e-&gt;acceptAction();
            break;
        default:
            ;
        }
    } else {
        e-&gt;ignore();
        autoopen_timer-&gt;stop();
        dropItem = 0;
    }
}

void <a name="455"></a>DirectoryView::contentsDragLeaveEvent( <a href="qdragleaveevent.html">QDragLeaveEvent</a> * )
{
    autoopen_timer-&gt;stop();
    dropItem = 0;

    <a href="qlistview.html#b22cc2">setCurrentItem</a>( oldCurrent );
    <a href="qlistview.html#8e2ad6">setSelected</a>( oldCurrent, TRUE );
}

void <a name="456"></a>DirectoryView::contentsDropEvent( <a href="qdropevent.html">QDropEvent</a> *e )
{
    autoopen_timer-&gt;stop();

    if ( !QUriDrag::canDecode(e) ) {
        e-&gt;ignore();
        return;
    }

    <a href="qlistviewitem.html">QListViewItem</a> *item = itemAt( <a href="qscrollview.html#daa8c7">contentsToViewport</a>(e-&gt;<a href="qmouseevent.html#ac6f25">pos</a>()) );
    if ( item ) {

        <a href="qstrlist.html">QStrList</a> lst;

        <a href="quridrag.html#e14cb1">QUriDrag::decode</a>( e, lst );

        <a href="qstring.html">QString</a> str;

        switch ( e-&gt;action() ) {
            case QDropEvent::Copy:
            str = "Copy";
            break;
            case QDropEvent::Move:
            str = "Move";
            e-&gt;acceptAction();
            break;
            case QDropEvent::Link:
            str = "Link";
            e-&gt;acceptAction();
            break;
            default:
            str = "Unknown";
        }

        str += "\n\n";

        e-&gt;accept();

        for ( uint i = 0; i &lt; lst.count(); ++i ) {
            <a href="qstring.html">QString</a> filename = lst.at( i );
            str += filename + "\n";
        }
        str += QString( "\nTo\n\n   %1" )
               .arg( <a href=#457>fullPath</a>(item) );

        <a href="qmessagebox.html#66b7c8">QMessageBox::information</a>( this, "Drop target", str, "Not implemented" );
    } else
        e-&gt;ignore();

}

<a href="qstring.html">QString</a> <a name="457"></a>DirectoryView::fullPath(<a href="qlistviewitem.html">QListViewItem</a>* item)
{
    <a href="qstring.html">QString</a> fullpath = item-&gt;<a href="qlistviewitem.html#ca0608">text</a>(0);
    while ( (item=item-&gt;<a href="qlistviewitem.html#201d81">parent</a>()) ) {
        if ( item-&gt;<a href="qlistviewitem.html#201d81">parent</a>() )
            fullpath = item-&gt;<a href="qlistviewitem.html#ca0608">text</a>(0) + "/" + fullpath;
        else
            fullpath = item-&gt;<a href="qlistviewitem.html#ca0608">text</a>(0) + fullpath;
    }
    return fullpath;
}

void <a name="458"></a>DirectoryView::contentsMousePressEvent( <a href="qmouseevent.html">QMouseEvent</a>* e )
{
    <a href="qlistview.html#bcd36c">QListView::contentsMousePressEvent</a>(e);
    <a href="qpoint.html">QPoint</a> p( <a href="qscrollview.html#daa8c7">contentsToViewport</a>( e-&gt;<a href="qmouseevent.html#ac6f25">pos</a>() ) );
    <a href="qlistviewitem.html">QListViewItem</a> *i = itemAt( p );
    if ( i ) {
        // if the user clicked into the root decoration of the item, don't try to start a drag!
        if ( p.x() &gt; header()-&gt;cellPos( <a href="qlistview.html#db5808">header</a>()-&gt;mapToActual( 0 ) ) +
             <a href="qlistview.html#0fdfbe">treeStepSize</a>() * ( i-&gt;<a href="qlistviewitem.html#1e0f46">depth</a>() + ( <a href="qlistview.html#dbdbf3">rootIsDecorated</a>() ? 1 : 0) ) + itemMargin() ||
             p.x() &lt; header()-&gt;cellPos( <a href="qlistview.html#db5808">header</a>()-&gt;mapToActual( 0 ) ) ) {
            presspos = e-&gt;<a href="qmouseevent.html#ac6f25">pos</a>();
            mousePressed = TRUE;
        }
    }
}

void <a name="459"></a>DirectoryView::contentsMouseMoveEvent( <a href="qmouseevent.html">QMouseEvent</a>* e )
{
    if ( mousePressed &amp;&amp; ( presspos - e-&gt;<a href="qmouseevent.html#ac6f25">pos</a>() ).manhattanLength() &gt; <a href="qapplication.html#5a44a9">QApplication::startDragDistance</a>() ) {
        mousePressed = FALSE;
        <a href="qlistviewitem.html">QListViewItem</a> *item = itemAt( <a href="qscrollview.html#daa8c7">contentsToViewport</a>(presspos) );
        if ( item ) {
            <a href="qstring.html">QString</a> source = fullPath(item);
            if ( <a href="qfile.html#900285">QFile::exists</a>(source) ) {
                <a href="quridrag.html">QUriDrag</a>* ud = new <a href="quridrag.html">QUriDrag</a>(<a href="qscrollview.html#26f2bf">viewport</a>());
                ud-&gt;<a href="quridrag.html#4cdc54">setUnicodeUris</a>( source );
                if ( ud-&gt;<a href="qdragobject.html#bfe10b">drag</a>() )
                    <a href="qmessagebox.html#66b7c8">QMessageBox::information</a>( this, "Drag source",
                                              <a href="qstring.html">QString</a>("Delete ")+source, "Not implemented" );
            }
        }
    }
}

void <a name="460"></a>DirectoryView::contentsMouseReleaseEvent( <a href="qmouseevent.html">QMouseEvent</a> * )
{
    mousePressed = FALSE;
}

void <a name="461"></a>DirectoryView::setDir( const QString &amp;s )
{
    <a href="qlistviewitemiterator.html">QListViewItemIterator</a> it( this );
    ++it;
    for ( ; it.<a href="qlistviewitemiterator.html#b134cd">current</a>(); ++it ) {
        it.<a href="qlistviewitemiterator.html#b134cd">current</a>()-&gt;setOpen( FALSE );
    }

    <a href="qstringlist.html">QStringList</a> lst( <a href="qstringlist.html#6f861a">QStringList::split</a>( "/", s ) );
    <a href="qlistviewitem.html">QListViewItem</a> *item = firstChild();
    QStringList::Iterator it2 = lst.begin();
    for ( ; it2 != lst.end(); ++it2 ) {
        while ( item ) {
            if ( item-&gt;<a href="qlistviewitem.html#ca0608">text</a>( 0 ) == *it2 ) {
                item-&gt;<a href="qlistviewitem.html#1c5a28">setOpen</a>( TRUE );
                break;
            }
            item = item-&gt;<a href="qlistviewitem.html#376b5c">itemBelow</a>();
        }
    }

    if ( item )
        <a href="qlistview.html#b22cc2">setCurrentItem</a>( item );
}

void FileItem::setPixmap( <a href="qpixmap.html">QPixmap</a> *p )
{
    pix = p;
    setup();
    widthChanged( 0 );
    invalidateHeight();
    repaint();
}

const QPixmap *FileItem::pixmap( int i ) const
{
    if ( i )
        return 0;
    return pix;
}
</pre>


  <hr>

  Main:
<pre>/****************************************************************************
** &#36;Id&#58; qt/examples/dirview/main.cpp   2.3.8   edited 2004-05-12 $
**
** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
**
** This file is part of an example program for Qt.  This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/

#include &lt;<a name="qapplication.h"></a><a href="qapplication-h.html">qapplication.h</a>&gt;
#include &lt;<a name="qfileinfo.h"></a><a href="qfileinfo-h.html">qfileinfo.h</a>&gt;
#include &lt;<a name="qdir.h"></a><a href="qdir-h.html">qdir.h</a>&gt;
#include "dirview.h"

int main( int argc, char ** argv )
{
    <a name="QApplication"></a><a href="qapplication.html">QApplication</a> a( argc, argv );

    DirectoryView mw;

    mw.<a name="addColumn"></a><a href="qlistview.html#2323b8">addColumn</a>( "Name" );
    mw.<a href="qlistview.html#2323b8">addColumn</a>( "Type" );
    mw.<a name="setTreeStepSize"></a><a href="qlistview.html#101838">setTreeStepSize</a>( 20 );

    const QFileInfoList* roots = QDir::drives();
    <a name="QListIterator"></a><a href="qlistiterator.html">QListIterator</a>&lt;<a name="QFileInfo"></a><a href="qfileinfo.html">QFileInfo</a>&gt; i(*roots);
    <a href="qfileinfo.html">QFileInfo</a>* fi;
    while ( (fi = *i) ) {
        ++i;
        Directory * root = new Directory( &amp;mw, fi-&gt;<a name="filePath"></a><a href="qfileinfo.html#ebb5a0">filePath</a>() );
        if ( roots-&gt;count() &lt;= 1 )
            root-&gt;<a name="setOpen"></a><a href="qlistviewitem.html#1c5a28">setOpen</a>( TRUE ); // be interesting
    }

    mw.<a name="resize"></a><a href="qscrollview.html#3480d1">resize</a>( 400, 400 );
    mw.<a name="setCaption"></a><a href="qwidget.html#d6a291">setCaption</a>( "Qt Example - Directory Browser" );
    mw.<a name="setAllColumnsShowFocus"></a><a href="qlistview.html#93889b">setAllColumnsShowFocus</a>( TRUE );
    a.<a name="setMainWidget"></a><a href="qapplication.html#7ad759">setMainWidget</a>( &amp;mw );
    mw.<a name="show"></a><a href="qlistview.html#a21cde">show</a>();

    return a.<a name="exec"></a><a href="qapplication.html#84c7bf">exec</a>();
}
</pre>
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