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improve the channel sorting algorithm (much cleaner code now)

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Volker Fischer 2020-06-09 17:42:32 +02:00
parent 77c24059b5
commit e7b291d906
1 changed files with 14 additions and 18 deletions
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24
src/audiomixerboard.cpp
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@ -766,30 +766,26 @@ void CAudioMixerBoard::HideAll()
void CAudioMixerBoard::ChangeFaderOrder ( const bool bDoSort ) void CAudioMixerBoard::ChangeFaderOrder ( const bool bDoSort )
{ {
// TODO better solution to sort by names and get the indexes after sorting (here // create a pair list of lower strings and fader ID for each channel
// we utilize the "data" property to store the original ID value) QList<QPair<QString, int> > PairList;
QListWidget ListWidget;
for ( int i = 0; i < MAX_NUM_CHANNELS; i++ ) for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
{ {
// fill list widget (used for sorting the channels) PairList << QPair<QString, int> ( vecpChanFader[i]->GetReceivedName().toLower(), i );
QListWidgetItem* pNewItem = new QListWidgetItem ( vecpChanFader[i]->GetReceivedName() );
pNewItem->setData ( Qt::UserRole, i );
ListWidget.addItem ( pNewItem );
// remove channels from layout (note that we keep the spacer on the right side)
pMainLayout->removeWidget ( vecpChanFader[i]->GetMainWidget() );
} }
// if requested, sort the channels
if ( bDoSort ) if ( bDoSort )
{ {
ListWidget.sortItems(); qStableSort ( PairList.begin(), PairList.end() );
} }
// add channels to the layout in the new order (since we insert on the left, we // add channels to the layout in the new order (since we insert on the left, we
// have to use a backwards counting loop) // have to use a backwards counting loop), note that it is not required to remove
// the widget from the layout first but it is moved to the new position automatically
for ( int i = MAX_NUM_CHANNELS - 1; i >= 0; i-- ) for ( int i = MAX_NUM_CHANNELS - 1; i >= 0; i-- )
{ {
// add fader frame to the audio mixer board layout pMainLayout->insertWidget ( 0, vecpChanFader[PairList[i].second]->GetMainWidget() );
pMainLayout->insertWidget ( 0, vecpChanFader[ListWidget.item ( i )->data ( Qt::UserRole ).toInt()]->GetMainWidget() );
} }
} }