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Remove instrument track window caching to fix related bugs #5808

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merged 3 commits into from
Dec 1, 2020
Merged

Remove instrument track window caching to fix related bugs #5808

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d797df5
Remove instrument track window caching to fix related bugs
PhysSong Nov 8, 2020
1dd97d4
Remove QQueue leftovers
PhysSong Nov 30, 2020
85a70d1
Remove unnecessary Qt::QueuedConnection
PhysSong Nov 30, 2020
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9 changes: 3 additions & 6 deletions include/InstrumentTrack.h
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Original file line number Diff line number Diff line change
Expand Up @@ -324,10 +324,6 @@ class InstrumentTrackView : public TrackView
return m_midiMenu;
}

void freeInstrumentTrackWindow();

static void cleanupWindowCache();

// Create a menu for assigning/creating channels for this track
QMenu * createFxMenu( QString title, QString newFxLabel ) override;

Expand All @@ -349,12 +345,12 @@ private slots:
void assignFxLine( int channelIndex );
void createFxLine();

void handleConfigChange(QString cls, QString attr, QString value);


private:
InstrumentTrackWindow * m_window;

static QQueue<InstrumentTrackWindow *> s_windowCache;
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// widgets in track-settings-widget
TrackLabelButton * m_tlb;
Knob * m_volumeKnob;
Expand Down Expand Up @@ -482,6 +478,7 @@ protected slots:
PianoView * m_pianoView;

friend class InstrumentView;
friend class InstrumentTrackView;

} ;

Expand Down
2 changes: 0 additions & 2 deletions src/core/Song.cpp
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Expand Up @@ -884,8 +884,6 @@ void Song::clearProject()
Engine::projectJournal()->clearJournal();

Engine::projectJournal()->setJournalling( true );

InstrumentTrackView::cleanupWindowCache();
}


Expand Down
1 change: 0 additions & 1 deletion src/gui/GuiApplication.cpp
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Expand Up @@ -163,7 +163,6 @@ GuiApplication::GuiApplication()

GuiApplication::~GuiApplication()
{
InstrumentTrackView::cleanupWindowCache();
s_instance = nullptr;
}

Expand Down
107 changes: 23 additions & 84 deletions src/tracks/InstrumentTrack.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -79,7 +79,6 @@
const int INSTRUMENT_WIDTH = 254;
const int INSTRUMENT_HEIGHT = INSTRUMENT_WIDTH;
const int PIANO_HEIGHT = 80;
const int INSTRUMENT_WINDOW_CACHE_SIZE = 8;


// #### IT:
Expand Down Expand Up @@ -951,9 +950,6 @@ void InstrumentTrack::autoAssignMidiDevice(bool assign)
// #### ITV:


QQueue<InstrumentTrackWindow *> InstrumentTrackView::s_windowCache;



InstrumentTrackView::InstrumentTrackView( InstrumentTrack * _it, TrackContainerView* tcv ) :
TrackView( _it, tcv ),
Expand All @@ -975,6 +971,10 @@ InstrumentTrackView::InstrumentTrackView( InstrumentTrack * _it, TrackContainerV
connect( _it, SIGNAL( nameChanged() ),
m_tlb, SLOT( update() ) );

connect( ConfigManager::inst(), SIGNAL( valueChanged( QString, QString, QString ) ),
this, SLOT( handleConfigChange( QString, QString, QString ) ),
Qt::QueuedConnection );
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// creation of widgets for track-settings-widget
int widgetWidth;
if( ConfigManager::inst()->value( "ui",
Expand Down Expand Up @@ -1066,7 +1066,8 @@ InstrumentTrackView::InstrumentTrackView( InstrumentTrack * _it, TrackContainerV

InstrumentTrackView::~InstrumentTrackView()
{
freeInstrumentTrackWindow();
delete m_window;
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What about using unique_ptr instead?

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I think it's out of scope, but it's doable.

m_window = nullptr;

delete model()->m_midiPort.m_readablePortsMenu;
delete model()->m_midiPort.m_writablePortsMenu;
Expand Down Expand Up @@ -1119,89 +1120,26 @@ void InstrumentTrackView::assignFxLine(int channelIndex)



// TODO: Add windows to free list on freeInstrumentTrackWindow.
// But, don't NULL m_window or disconnect signals. This will allow windows
// that are being show/hidden frequently to stay connected.
void InstrumentTrackView::freeInstrumentTrackWindow()
InstrumentTrackWindow * InstrumentTrackView::getInstrumentTrackWindow()
{
if( m_window != NULL )
if (!m_window)
{
m_lastPos = m_window->parentWidget()->pos();

if( ConfigManager::inst()->value( "ui",
"oneinstrumenttrackwindow" ).toInt() ||
s_windowCache.count() < INSTRUMENT_WINDOW_CACHE_SIZE )
{
model()->setHook( NULL );
m_window->setInstrumentTrackView( NULL );
m_window->parentWidget()->hide();
m_window->updateInstrumentView();
s_windowCache << m_window;
}
else
{
delete m_window;
}

m_window = NULL;
m_window = new InstrumentTrackWindow(this);
}
}




void InstrumentTrackView::cleanupWindowCache()
{
while( !s_windowCache.isEmpty() )
{
delete s_windowCache.dequeue();
}
return m_window;
}




InstrumentTrackWindow * InstrumentTrackView::getInstrumentTrackWindow()
void InstrumentTrackView::handleConfigChange(QString cls, QString attr, QString value)
{
if( m_window != NULL )
{
}
else if( !s_windowCache.isEmpty() )
// When one instrument track window mode is turned on,
// close windows except last opened one.
if (cls == "ui" && attr == "oneinstrumenttrackwindow" && value.toInt())
{
m_window = s_windowCache.dequeue();

m_window->setInstrumentTrackView( this );
m_window->setModel( model() );
m_window->updateInstrumentView();
model()->setHook( m_window );

if( ConfigManager::inst()->
value( "ui", "oneinstrumenttrackwindow" ).toInt() )
{
s_windowCache << m_window;
}
else if( m_lastPos.x() > 0 || m_lastPos.y() > 0 )
{
m_window->parentWidget()->move( m_lastPos );
}
m_tlb->setChecked(m_window && m_window == topLevelInstrumentTrackWindow());
}
else
{
m_window = new InstrumentTrackWindow( this );
if( ConfigManager::inst()->
value( "ui", "oneinstrumenttrackwindow" ).toInt() )
{
// first time, an InstrumentTrackWindow is opened
s_windowCache << m_window;
}
}

return m_window;
}




void InstrumentTrackView::dragEnterEvent( QDragEnterEvent * _dee )
{
InstrumentTrackWindow::dragEnterEventGeneric( _dee );
Expand All @@ -1225,12 +1163,15 @@ void InstrumentTrackView::dropEvent( QDropEvent * _de )

void InstrumentTrackView::toggleInstrumentWindow( bool _on )
{
getInstrumentTrackWindow()->toggleVisibility( _on );

if( !_on )
if (_on && ConfigManager::inst()->value("ui", "oneinstrumenttrackwindow").toInt())
{
freeInstrumentTrackWindow();
if (topLevelInstrumentTrackWindow())
{
topLevelInstrumentTrackWindow()->m_itv->m_tlb->setChecked(false);
}
}

getInstrumentTrackWindow()->toggleVisibility( _on );
}


Expand Down Expand Up @@ -1547,11 +1488,9 @@ InstrumentTrackWindow::InstrumentTrackWindow( InstrumentTrackView * _itv ) :

InstrumentTrackWindow::~InstrumentTrackWindow()
{
InstrumentTrackView::s_windowCache.removeAll( this );

delete m_instrumentView;

if( gui->mainWindow()->workspace() )
if (parentWidget())
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This is to prevent crashes on closing.

{
parentWidget()->hide();
parentWidget()->deleteLater();
Expand Down