C++ FileItem::fullName方法代码示例

void FileBrowserTreeWidget::mouseMoveEvent( QMouseEvent * me )
{
	if( m_mousePressed == true &&
		( m_pressPos - me->pos() ).manhattanLength() >
					QApplication::startDragDistance() )
	{
		// make sure any playback is stopped
		mouseReleaseEvent( NULL );

		FileItem * f = dynamic_cast<FileItem *>( itemAt( m_pressPos ) );
		if( f != NULL )
		{
			switch( f->type() )
			{
				case FileItem::PresetFile:
	new StringPairDrag( f->handling() == FileItem::LoadAsPreset ?
					"presetfile" : "pluginpresetfile",
				f->fullName(),
				embed::getIconPixmap( "preset_file" ), this );
					break;

				case FileItem::SampleFile:
	new StringPairDrag( "samplefile", f->fullName(),
				embed::getIconPixmap( "sample_file" ), this );
					break;
				case FileItem::SoundFontFile:
 	new StringPairDrag( "soundfontfile", f->fullName(),
 				embed::getIconPixmap( "soundfont_file" ), this );
 					break;
				case FileItem::VstPluginFile:
	new StringPairDrag( "vstpluginfile", f->fullName(),
				embed::getIconPixmap( "vst_plugin_file" ), this );
					break;
				case FileItem::MidiFile:
// don't allow dragging FLP-files as FLP import filter clears project
// without asking
//				case fileItem::FlpFile:
	new StringPairDrag( "importedproject", f->fullName(),
				embed::getIconPixmap( "midi_file" ), this );
					break;

				default:
					break;
			}
		}
	}
}

void TreeView::getTreeSelectedItems(QStringList& selectedItems)
{
    selectedItems.clear();
    QList<QTreeWidgetItem*> ls = QTreeWidget::selectedItems();
    FOREACH (QList<QTreeWidgetItem*>, it, ls) {
        FileItem* f = static_cast<FileItem*>(*it);
        selectedItems.append(f->fullName());
    }

bool TreeView::isDir(SCRef fileName)
{
    // if currentItem is NULL or is different from fileName
    // return false, because treeview is not updated while
    // not visible, so could be out of sync.
    FileItem* item = static_cast<FileItem*>(currentItem());
    if (item == NULL || item->fullName() != fileName)
        return false;

    return dynamic_cast<DirItem*>(item);
}

void FileBrowserTreeWidget::mousePressEvent(QMouseEvent * me )
{
	QTreeWidget::mousePressEvent( me );
	if( me->button() != Qt::LeftButton )
	{
		return;
	}

	QTreeWidgetItem * i = itemAt( me->pos() );
        if ( i )
	{
		// TODO: Restrict to visible selection
//		if ( _me->x() > header()->cellPos( header()->mapToActual( 0 ) )
//			+ treeStepSize() * ( i->depth() + ( rootIsDecorated() ?
//						1 : 0 ) ) + itemMargin() ||
//				_me->x() < header()->cellPos(
//						header()->mapToActual( 0 ) ) )
//		{
			m_pressPos = me->pos();
			m_mousePressed = true;
//		}
	}

	FileItem * f = dynamic_cast<FileItem *>( i );
	if( f != NULL )
	{
		m_pphMutex.lock();
		if( m_previewPlayHandle != NULL )
		{
			Engine::mixer()->removePlayHandle(
							m_previewPlayHandle );
			m_previewPlayHandle = NULL;
		}

		// in special case of sample-files we do not care about
		// handling() rather than directly creating a SamplePlayHandle
		if( f->type() == FileItem::SampleFile )
		{
			TextFloat * tf = TextFloat::displayMessage(
					tr( "Loading sample" ),
					tr( "Please wait, loading sample for "
								"preview..." ),
					embed::getIconPixmap( "sample_file",
								24, 24 ), 0 );
			qApp->processEvents(
					QEventLoop::ExcludeUserInputEvents );
			SamplePlayHandle * s = new SamplePlayHandle(
								f->fullName() );
			s->setDoneMayReturnTrue( false );
			m_previewPlayHandle = s;
			delete tf;
		}
		else if( f->type() != FileItem::VstPluginFile &&
				( f->handling() == FileItem::LoadAsPreset ||
				f->handling() == FileItem::LoadByPlugin ) )
		{
			m_previewPlayHandle = new PresetPreviewPlayHandle( f->fullName(), f->handling() == FileItem::LoadByPlugin );
		}
		if( m_previewPlayHandle != NULL )
		{
			if( !Engine::mixer()->addPlayHandle(
							m_previewPlayHandle ) )
			{
				m_previewPlayHandle = NULL;
			}
		}
		m_pphMutex.unlock();
	}
}

const QString TreeView::fullName(QTreeWidgetItem* item)
{
    FileItem* f = static_cast<FileItem*>(item);
    return (item ? f->fullName() : "");
}