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

qt'QFileListBox (./qt-2.1.0/src/dialogs/qfiledialog.cpp:547)

class QFileListBox : public QListBox
{
    friend class QFileDialog;

    Q_OBJECT

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

    void clear();
    void show();
    void startRename( bool check = TRUE );
    void viewportMousePressEvent( QMouseEvent *e );
    void viewportMouseReleaseEvent( QMouseEvent *e );
    void viewportMouseDoubleClickEvent( 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 );
    void keyPressEvent( QKeyEvent *e );

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

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

};

qt'QFileListBox::QFileListBox() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:983)

QFileListBox::QFileListBox( QWidget *parent, QFileDialog *dlg )
    : QListBox( parent, "filelistbox" ), 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() ) );
    connect( renameTimer, SIGNAL( timeout() ),
	     this, SLOT( doubleClickTimeout() ) );
    connect( changeDirTimer, SIGNAL( timeout() ),
	     this, SLOT( changeDirDuringDrag() ) );
    connect( this, SIGNAL( contentsMoving( int, int ) ),
	     this, SLOT( contentsMoved( int, int ) ) );
    viewport()->setAcceptDrops( TRUE );
    dragItem = 0;
}

qt'QFileListBox::show() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1010)

void QFileListBox::show()
{
    setBackgroundMode( PaletteBase );
    viewport()->setBackgroundMode( PaletteBase );
    QListBox::show();
}

qt'QFileListBox::keyPressEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1017)

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

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

qt'QFileListBox::viewportMousePressEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1028)

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

    bool didRename = renaming;

    cancelRename();
    if ( !hasFocus() && !viewport()->hasFocus() )
	setFocus();

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

    int i = currentItem();
    bool wasSelected = FALSE;
    if ( i != -1 )
	wasSelected = item( i )->selected();
    QListBox::viewportMousePressEvent( e );

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

    if ( itemAt( e->pos() ) != item( i ) ) {
	firstMousePressEvent = FALSE;
	return;
    }

     if ( !firstMousePressEvent && !didRename && i == currentItem() && currentItem() != -1 &&
	 wasSelected && filedialog->mode() != QFileDialog::ExistingFiles &&
	 QUrlInfo( filedialog->d->url, "." ).isWritable() && item( currentItem() )->text() != ".." ) {
	renameTimer->start( QApplication::doubleClickInterval(), TRUE );
	renameItem = item( i );
    }

    firstMousePressEvent = FALSE;
}

qt'QFileListBox::viewportMouseReleaseEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1070)

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

qt'QFileListBox::viewportMouseDoubleClickEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1077)

void QFileListBox::viewportMouseDoubleClickEvent( QMouseEvent *e )
{
    renameTimer->stop();
    QListBox::viewportMouseDoubleClickEvent( e );
}

qt'QFileListBox::viewportMouseMoveEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1083)

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

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

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

	    mousePressed = FALSE;
	}
    } else {
	QListBox::viewportMouseMoveEvent( e );
    }

}

qt'QFileListBox::dragObjDestroyed() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1112)

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

qt'QFileListBox::viewportDragEnterEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1118)

void QFileListBox::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'QFileListBox::viewportDragMoveEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1144)

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

    oldDragPos = e->pos();
}

qt'QFileListBox::viewportDragLeaveEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1170)

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

qt'QFileListBox::viewportDropEvent() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1179)

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

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

    QStrList l;
    QUrlDrag::decode( 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() );
    else
	dest = filedialog->d->url;
    QStringList lst;
    for ( uint i = 0; i < l.count(); ++i ) {
	lst << l.at( i );
    }

    filedialog->d->url.copy( lst, dest, move );

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

qt'QFileListBox::acceptDrop() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1217)

bool QFileListBox::acceptDrop( const QPoint &pnt, QWidget *source )
{
    QListBoxItem *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() );

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

qt'QFileListBox::setCurrentDropItem() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1233)

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

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

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

    currDropItem = item;
    if ( currDropItem )
	setCurrentItem( currDropItem );
    changeDirTimer->start( 750 );
}

qt'QFileListBox::changeDirDuringDrag() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1252)

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

qt'QFileListBox::doubleClickTimeout() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1262)

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

qt'QFileListBox::startRename() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1268)

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

    int i = currentItem();
    setSelected( i, TRUE );
    QRect r = itemRect( item( i ) );
    int bdr = item( i )->pixmap() ?
	      item( i )->pixmap()->width() : 16;
    int x = r.x() + bdr;
    int y = r.y();
    int w = item( i )->width( this ) - 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( item( i )->text() );
    lined->selectAll();
    lined->setFrame( FALSE );
    lined->parentWidget()->show();
    viewport()->setFocusProxy( lined );
    renaming = TRUE;
}

qt'QFileListBox::clear() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1294)

void QFileListBox::clear()
{
    cancelRename();
    QListBox::clear();
}

qt'QFileListBox::rename() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1300)

void QFileListBox::rename()
{
    if ( !lined->text().isEmpty() ) {
	QString file = currentText();

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

qt'QFileListBox::cancelRename() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1311)

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

qt'QFileListBox::contentsMoved() (./qt-2.1.0/src/dialogs/qfiledialog.cpp:1322)

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

/************************************************************************
 *
 * Internal class QFileListView
 *
 ************************************************************************/