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;
case FileItem::ProjectFile:
new StringPairDrag( "projectfile", f->fullName(),
embed::getIconPixmap( "project_file" ), this );
break;
default:
break;
}
}
}
}
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();
}
}
