Source Code (Use browser search to find items of interest.)

qt'QFileListView (./qt-2.1.0/src/dialogs/qfiledialog.cpp:597)

class QFileListView : public QListView
{
    friend class QFileDialog;

    Q_OBJECT

private:
    QFileListView( QWidget *parent, QFileDialog *d );

    void clear();
    void startRename( bool check = TRUE );
    void setSorting( int column, bool increasing = TRUE );

private:
    void viewportMousePressEvent( QMouseEvent *e );
    void viewportMouseDoubleClickEvent( QMouseEvent *e );
    void keyPressEvent( QKeyEvent *e );
    void viewportMouseReleaseEvent( QMouseEvent *e );
    void viewportMouseMoveEvent( QMouseEvent *e );
    void viewportDragEnterEvent( QDragEnterEvent *e );
    void viewportDragMoveEvent( QDragMoveEvent *e );
    void viewportDragLeaveEvent( QDragLeaveEvent *e );
    void viewportDropEvent( QDropEvent *e );
    bool acceptDrop( const QPoint &pnt, QWidget *source );
    void setCurrentDropItem( const QPoint &pnt );

private slots:
    void rename();
    void cancelRename();
    void changeSortColumn2( int column );
    void doubleClickTimeout();
    void changeDirDuringDrag();
    void dragObjDestroyed();
    void contentsMoved( int, int );

private:
    QRenameEdit *lined;
    QFileDialog *filedialog;
    bool renaming;
    QTimer* renameTimer;
    QListViewItem *renameItem;
    QPoint pressPos, oldDragPos;
    bool mousePressed;
    int urls;
    QString startDragDir;
    QListViewItem *currDropItem, *dragItem;
    QTimer *changeDirTimer;
    bool firstMousePressEvent;
    bool ascending;
    int sortcolumn;
    QUrlOperator startDragUrl;

};

/****************************************************************************
 *
 * Classes for copy progress dialog
 *
 ****************************************************************************/

qt'QFileListView::QFileListView() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1334)

QFileListView::QFileListView( QWidget *parent, QFileDialog *dlg )
    : QListView( parent ), filedialog( dlg ), renaming( FALSE ),
      renameItem( 0 ), mousePressed( FALSE ),
      firstMousePressEvent( TRUE )
{
    changeDirTimer = new QTimer( this );
    QVBox *box = new QVBox( viewport() );
    box->setFrameStyle( QFrame::Box | QFrame::Plain );
    lined = new QRenameEdit( box );
    lined->setFixedHeight( lined->sizeHint().height() );
    box->hide();
    box->setBackgroundMode( PaletteBase );
    renameTimer = new QTimer( this );
    connect( lined, SIGNAL( returnPressed() ),
	     this, SLOT (rename() ) );
    connect( lined, SIGNAL( escapePressed() ),
	     this, SLOT( cancelRename() ) );
    header()->setMovingEnabled( FALSE );
    connect( renameTimer, SIGNAL( timeout() ),
	     this, SLOT( doubleClickTimeout() ) );
    connect( changeDirTimer, SIGNAL( timeout() ),
	     this, SLOT( changeDirDuringDrag() ) );
    disconnect( header(), SIGNAL( sectionClicked( int ) ),
		this, SLOT( changeSortColumn( int ) ) );
    connect( header(), SIGNAL( sectionClicked( int ) ),
	     this, SLOT( changeSortColumn2( int ) ) );
    connect( this, SIGNAL( contentsMoving( int, int ) ),
	     this, SLOT( contentsMoved( int, int ) ) );

    viewport()->setAcceptDrops( TRUE );
    sortcolumn = 0;
    ascending = TRUE;
    dragItem = 0;
}

qt'QFileListView::setSorting() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1369)

void QFileListView::setSorting( int column, bool increasing )
{
    if ( column == -1 ) {
	QListView::setSorting( column, increasing );
	return;
    }

    sortAscending = ascending = increasing;
    sortcolumn = column;
    switch ( column ) {
    case 0:
	sortFilesBy = QDir::Name;
	break;
    case 1:
	sortFilesBy = QDir::Size;
	break;
    case 3:
	sortFilesBy = QDir::Time;
	break;
    default:
	sortFilesBy = QDir::Name; // #### ???
	break;
    }

    filedialog->resortDir();
}

qt'QFileListView::changeSortColumn2() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1396)

void QFileListView::changeSortColumn2( int column )
{
    int lcol = header()->mapToLogical( column );
    setSorting( lcol, sortcolumn == lcol ? !ascending : TRUE );
}

qt'QFileListView::keyPressEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1402)

void QFileListView::keyPressEvent( QKeyEvent *e )
{
    if ( ( e->key() == Key_Enter ||
	   e->key() == Key_Return ) &&
	 renaming )
	return;

    cancelRename();
    QListView::keyPressEvent( e );
}

qt'QFileListView::viewportMousePressEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1413)

void QFileListView::viewportMousePressEvent( QMouseEvent *e )
{
    pressPos = e->pos();
    mousePressed = FALSE;

    bool didRename = renaming;
    cancelRename();
    if ( !hasFocus() && !viewport()->hasFocus() )
	setFocus();

    if ( e->button() != LeftButton ) {
	QListView::viewportMousePressEvent( e );
	firstMousePressEvent = FALSE;
	return;
    }

    QListViewItem *i = currentItem();
    QListView::viewportMousePressEvent( e );

    QFileDialogPrivate::File *i1 = (QFileDialogPrivate::File*)currentItem();
    if ( i1 )
	mousePressed = !i1->info.isDir();

    if ( itemAt( e->pos() ) != i ||
	 e->x() + contentsX() > columnWidth( 0 ) ) {
	firstMousePressEvent = FALSE;
	return;
    }

    if ( !firstMousePressEvent && !didRename && i == currentItem() && currentItem() &&
 	 filedialog->mode() != QFileDialog::ExistingFiles &&
	 QUrlInfo( filedialog->d->url, "." ).isWritable() && currentItem()->text( 0 ) != ".." ) {
 	renameTimer->start( QApplication::doubleClickInterval(), TRUE );
 	renameItem = currentItem();
    }

    firstMousePressEvent = FALSE;
}

qt'QFileListView::viewportMouseDoubleClickEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1452)

void QFileListView::viewportMouseDoubleClickEvent( QMouseEvent *e )
{
    renameTimer->stop();
    QListView::viewportMouseDoubleClickEvent( e );
}

qt'QFileListView::viewportMouseReleaseEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1458)

void QFileListView::viewportMouseReleaseEvent( QMouseEvent *e )
{
    QListView::viewportMouseReleaseEvent( e );
    mousePressed = FALSE;
    dragItem = 0;
}

qt'QFileListView::viewportMouseMoveEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1465)

void QFileListView::viewportMouseMoveEvent( QMouseEvent *e )
{
    renameTimer->stop();
    if ( !dragItem )
	dragItem = itemAt( e->pos() );
    if (  ( pressPos - e->pos() ).manhattanLength() > QApplication::startDragDistance() && mousePressed ) {
	QListViewItem *item = dragItem;
	dragItem = 0;
	if ( item ) {
	    QUriDrag* drag = new QUriDrag( viewport() );
	    drag->setUnicodeUris( filedialog->selectedFiles() );

	    if ( lined->isVisible() )
		cancelRename();

	    connect( drag, SIGNAL( destroyed() ),
		     this, SLOT( dragObjDestroyed() ) );
	    drag->drag();

	    mousePressed = FALSE;
	}
    }

}

qt'QFileListView::dragObjDestroyed() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1490)

void QFileListView::dragObjDestroyed()
{
    //######
    //filedialog->rereadDir();
}

qt'QFileListView::viewportDragEnterEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1496)

void QFileListView::viewportDragEnterEvent( QDragEnterEvent *e )
{
    startDragUrl = filedialog->d->url;
    startDragDir = filedialog->dirPath();
    currDropItem = 0;

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

    QStringList l;
    QUriDrag::decodeLocalFiles( e, l );
    urls = l.count();

    if ( acceptDrop( e->pos(), e->source() ) ) {
	e->accept();
	setCurrentDropItem( e->pos() );
    } else {
	e->ignore();
	setCurrentDropItem( QPoint( -1, -1 ) );
    }

    oldDragPos = e->pos();
}

qt'QFileListView::viewportDragMoveEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1522)

void QFileListView::viewportDragMoveEvent( QDragMoveEvent *e )
{
    if ( acceptDrop( e->pos(), e->source() ) ) {
	if ( oldDragPos != e->pos() )
	    setCurrentDropItem( e->pos() );
	switch ( e->action() ) {
	case QDropEvent::Copy:
	    e->acceptAction();
	    break;
	case QDropEvent::Move:
	    e->acceptAction();
	    break;
	case QDropEvent::Link:
	    break;
	default:
	    ;
	}
    } else {
	changeDirTimer->stop();
	e->ignore();
	setCurrentDropItem( QPoint( -1, -1 ) );
    }

    oldDragPos = e->pos();
}

qt'QFileListView::viewportDragLeaveEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1548)

void QFileListView::viewportDragLeaveEvent( QDragLeaveEvent * )
{
    changeDirTimer->stop();
    setCurrentDropItem( QPoint( -1, -1 ) );
//########
//     if ( startDragDir != filedialog->d->url )
// 	filedialog->setUrl( startDragUrl );
}

qt'QFileListView::viewportDropEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1557)

void QFileListView::viewportDropEvent( QDropEvent *e )
{
    changeDirTimer->stop();

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

    QStringList l;
    QUrlDrag::decodeToUnicodeUris( e, l );

    bool move = FALSE;
    bool supportAction = TRUE;
    if ( e->action() == QDropEvent::Move )
	move = TRUE;
    else if ( e->action() == QDropEvent::Copy )
	       ;
    else
	supportAction = FALSE;

    QUrlOperator dest;
    if ( currDropItem )
	dest = QUrlOperator( filedialog->d->url, currDropItem->text( 0 ) );
    else
	dest = filedialog->d->url;
    filedialog->d->url.copy( l, dest, move );

    // ##### what is supportAction for?
    e->acceptAction();
    currDropItem = 0;
}

qt'QFileListView::acceptDrop() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1590)

bool QFileListView::acceptDrop( const QPoint &pnt, QWidget *source )
{
    QListViewItem *item = itemAt( pnt );
    if ( !item || item && !itemRect( item ).contains( pnt ) ) {
	if ( source == viewport() && startDragDir == filedialog->dirPath() )
	    return FALSE;
	return TRUE;
    }

    QUrlInfo fi( filedialog->d->url, item->text( 0 ) );

    if ( fi.isDir() && itemRect( item ).contains( pnt ) )
	return TRUE;
    return FALSE;
}

qt'QFileListView::setCurrentDropItem() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1606)

void QFileListView::setCurrentDropItem( const QPoint &pnt )
{
    changeDirTimer->stop();

    QListViewItem *item = itemAt( pnt );
    if ( pnt == QPoint( -1, -1 ) )
	item = 0;
    if ( item && !QUrlInfo( filedialog->d->url, item->text( 0 ) ).isDir() )
	item = 0;

    if ( item && !itemRect( item ).contains( pnt ) )
	item = 0;

    currDropItem = item;

    if ( currDropItem )
	setCurrentItem( currDropItem );

    changeDirTimer->start( 750 );
}

qt'QFileListView::changeDirDuringDrag() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1627)

void QFileListView::changeDirDuringDrag()
{
    if ( !currDropItem )
	return;
    changeDirTimer->stop();
    QUrl u( filedialog->d->url, currDropItem->text( 0 ) );
    filedialog->setDir( u );
    currDropItem = 0;
}

qt'QFileListView::doubleClickTimeout() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1637)

void QFileListView::doubleClickTimeout()
{
    startRename();
    renameTimer->stop();
}

qt'QFileListView::startRename() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1643)

void QFileListView::startRename( bool check )
{
    if ( check && ( !renameItem || renameItem != currentItem() ) )
	return;

    QListViewItem *i = currentItem();
    setSelected( i, TRUE );

    QRect r = itemRect( i );
    int bdr = i->pixmap( 0 ) ?
	      i->pixmap( 0 )->width() : 16;
    int x = r.x() + bdr;
    int y = r.y();
    int w = columnWidth( 0 ) - bdr;
    int h = QMAX( lined->height() + 2, r.height() );
    y = y + r.height() / 2 - h / 2;

    lined->parentWidget()->setGeometry( x, y, w + 6, h );
    lined->setFocus();
    lined->setText( i->text( 0 ) );
    lined->selectAll();
    lined->setFrame( FALSE );
    lined->parentWidget()->show();
    viewport()->setFocusProxy( lined );
    renaming = TRUE;
}

qt'QFileListView::clear() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1670)

void QFileListView::clear()
{
    cancelRename();
    QListView::clear();
}

qt'QFileListView::rename() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1676)

void QFileListView::rename()
{
    if ( !lined->text().isEmpty() ) {
	QString file = currentItem()->text( 0 );

	if ( lined->text() != file )
	    filedialog->d->url.rename( file, lined->text() );
    }
    cancelRename();
}

qt'QFileListView::cancelRename() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1687)

void QFileListView::cancelRename()
{
    renameItem = 0;
    lined->parentWidget()->hide();
    viewport()->setFocusProxy( this );
    renaming = FALSE;
    if ( currentItem() )
	currentItem()->repaint();
    if ( lined->hasFocus() )
	viewport()->setFocus();
}

qt'QFileListView::contentsMoved() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1699)

void QFileListView::contentsMoved( int, int )
{
    changeDirTimer->stop();
    setCurrentDropItem( QPoint( -1, -1 ) );
}


QFileDialogPrivate::File::~File()
{
    if ( d->pendingItems.findRef( this ) )
	d->pendingItems.removeRef( this );
}

QString QFileDialogPrivate::File::text( int column ) const
{
    makeVariables();

    switch( column ) {
    case 0:
	return info.name();
    case 1:
	if ( info.isFile() )
	    return QString::number(info.size());
	else
	    return QString::fromLatin1("");
    case 2:
	if ( info.isFile() && info.isSymLink() ) {
	    return d->symLinkToFile;
	} else if ( info.isFile() ) {
	    return d->file;
	} else if ( info.isDir() && info.isSymLink() ) {
	    return d->symLinkToDir;
	} else if ( info.isDir() ) {
	    return d->dir;
	} else if ( info.isSymLink() ) {
	    return d->symLinkToSpecial;
	} else {
	    return d->special;
	}
    case 3: {
	QDateTime epoch;
	epoch.setTime_t( 0 );
	char a[256];
	time_t t1 = epoch.secsTo( info.lastModified() );
	struct tm * t2 = ::localtime( &t1 );
	// looks wrong for the last hour of the day...
	if ( t2 && t2->tm_hour != info.lastModified().time().hour() )
	    t2->tm_hour = info.lastModified().time().hour();
	// use a static const char here, so that egcs will not see
	// the formatting string and give an incorrect warning.
	if ( t2 && strftime( a, 255, egcsWorkaround, t2 ) > 0 )
	    return QString::fromLatin1(a);
	else
	    return QString::fromLatin1("????");
    }
    case 4:
	if ( info.isReadable() )
	    return info.isWritable() ? d->rw : d->ro;
	else
	    return info.isWritable() ? d->wo : d->inaccessible;
    }

    return QString::fromLatin1("<--->");
}

const QPixmap * QFileDialogPrivate::File::pixmap( int column ) const
{
    if ( column ) {
	return 0;
    } else if ( QListViewItem::pixmap( column ) ) {
	return QListViewItem::pixmap( column );
    } else if ( info.isSymLink() ) {
	if ( info.isFile() )
	    return symLinkFileIcon;
	else
	    return symLinkDirIcon;
    } else if ( info.isDir() ) {
	return closedFolderIcon;
    } else if ( info.isFile() ) {
	return fileIcon;
    } else {
	return fifteenTransparentPixels;
    }
}

QFileDialogPrivate::MCItem::MCItem( QListBox * lb, QListViewItem * item )
    : QListBoxItem()
{
    i = item;
    if ( lb )
	lb->insertItem( this );
}

QFileDialogPrivate::MCItem::MCItem( QListBox * lb, QListViewItem * item, QListBoxItem *after )
    : QListBoxItem()
{
    i = item;
    if ( lb )
	lb->insertItem( this, after );
}

QString QFileDialogPrivate::MCItem::text() const
{
    return i->text( 0 );
}


const QPixmap *QFileDialogPrivate::MCItem::pixmap() const
{
    return i->pixmap( 0 );
}


int QFileDialogPrivate::MCItem::height( const QListBox * lb ) const
{
    if ( pixmap() )
	return QMAX( lb->fontMetrics().height(), pixmap()->height()) + 2;

    return lb->fontMetrics().height() + 2;
}


int QFileDialogPrivate::MCItem::width( const QListBox * lb ) const
{
    QFontMetrics fm = lb->fontMetrics();
    int w = 2;
    if ( pixmap() )
	w += pixmap()->width() + 4;
    else
	w += 18;
    w += fm.width( text() );
    w += -fm.minLeftBearing();
    w += -fm.minRightBearing();
    w += 6;
    return w;
}


void QFileDialogPrivate::MCItem::paint( QPainter * ptr )
{
    QFontMetrics fm = ptr->fontMetrics();

    int h;

    if ( pixmap() )
	h = QMAX( fm.height(), pixmap()->height()) + 2;
    else
	h = fm.height() + 2;

    const QPixmap * pm = pixmap();
    if ( pm )
	ptr->drawPixmap( 2, 1, *pm );

    ptr->drawText( pm ? pm->width() + 4 : 22, h - fm.descent() - 2,
		   text() );
}