void FileBrowserTreeWidget::mouseReleaseEvent(QMouseEvent * me )
{
m_mousePressed = false;
m_pphMutex.lock();
if( m_previewPlayHandle != NULL )
{
// if there're samples shorter than 3 seconds, we don't
// stop them if the user releases mouse-button...
if( m_previewPlayHandle->type() == PlayHandle::TypeSamplePlayHandle )
{
SamplePlayHandle * s = dynamic_cast<SamplePlayHandle *>(
m_previewPlayHandle );
if( s && s->totalFrames() - s->framesDone() <=
static_cast<f_cnt_t>( Engine::mixer()->
processingSampleRate() * 3 ) )
{
s->setDoneMayReturnTrue( true );
m_previewPlayHandle = NULL;
m_pphMutex.unlock();
return;
}
}
Engine::mixer()->removePlayHandle( m_previewPlayHandle );
m_previewPlayHandle = NULL;
}
m_pphMutex.unlock();
}
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();
}
}