Don't undo zoom! (#7943)

Makes it so that editor zoom, automation tension, along with quantization, note length, and all other combo boxes are not added to the undo history.

---------

Co-authored-by: szeli1 <143485814+szeli1@users.noreply.github.com>

include/ComboBoxModel.h

@@ -45,6 +45,7 @@ public:
 					bool isDefaultConstructed = false ) :
 		IntModel( 0, 0, 0, parent, displayName, isDefaultConstructed )
 	{
+		setJournalling(false);
 	}
 
 	void addItem( QString item, std::unique_ptr<PixmapLoader> loader = nullptr );

src/gui/editors/AutomationEditor.cpp

@@ -114,10 +114,13 @@ AutomationEditor::AutomationEditor() :
 	//keeps the direction of the widget, undepended on the locale
 	setLayoutDirection( Qt::LeftToRight );
 
+	// Set up tension model
 	m_tensionModel = new FloatModel(1.f, 0.f, 1.f, 0.01f);
+	m_tensionModel->setJournalling(false);
 	connect( m_tensionModel, SIGNAL(dataChanged()),
 				this, SLOT(setTension()));
 
+	// Set up quantization model
 	for (auto q : Quantizations) {
 		m_quantizeModel.addItem(QString("1/%1").arg(q));
 	}

src/gui/editors/SongEditor.cpp

@@ -94,9 +94,7 @@ SongEditor::SongEditor( Song * song ) :
 					 : DEFAULT_SETTINGS_WIDGET_WIDTH + TRACK_OP_WIDTH),
 	m_selectRegion(false)
 {
-	m_zoomingModel->setParent(this);
-	m_snappingModel->setParent(this);
-
+	// Set up timeline
 	m_timeLine = new TimeLineWidget(m_trackHeadWidth, 32, pixelsPerBar(),
 		m_song->getPlayPos(Song::PlayMode::Song),
 		m_song->getTimeline(Song::PlayMode::Song),
@@ -244,10 +242,15 @@ SongEditor::SongEditor( Song * song ) :
 	connect(contentWidget()->verticalScrollBar(), SIGNAL(valueChanged(int)),this, SLOT(updateRubberband()));
 	connect(m_timeLine, SIGNAL(selectionFinished()), this, SLOT(stopSelectRegion()));
 
-	//zoom connects
+
+	// Set up zooming model
+	m_zoomingModel->setParent(this);
+	m_zoomingModel->setJournalling(false);
 	connect(m_zoomingModel, SIGNAL(dataChanged()), this, SLOT(zoomingChanged()));
 
+
 	// Set up snapping model
+	m_snappingModel->setParent(this);
 	for (float bars : SNAP_SIZES)
 	{
 		if (bars > 1.0f)

src/gui/widgets/ComboBox.cpp

@@ -69,7 +69,7 @@ ComboBox::ComboBox( QWidget * _parent, const QString & _name ) :
 
 void ComboBox::selectNext()
 {
-	model()->setInitValue( model()->value() + 1 );
+	model()->setValue(model()->value() + 1);
 }
 
 
@@ -77,7 +77,7 @@ void ComboBox::selectNext()
 
 void ComboBox::selectPrevious()
 {
-	model()->setInitValue( model()->value() - 1 );
+	model()->setValue(model()->value() - 1);
 }
 
 
@@ -221,7 +221,7 @@ void ComboBox::wheelEvent( QWheelEvent* event )
 	if( model() )
 	{
 		const int direction = (event->angleDelta().y() < 0 ? 1 : -1) * (event->inverted() ? -1 : 1);
-		model()->setInitValue(model()->value() + direction);
+		model()->setValue(model()->value() + direction);
 		update();
 		event->accept();
 	}
@@ -234,7 +234,7 @@ void ComboBox::setItem( QAction* item )
 {
 	if( model() )
 	{
-		model()->setInitValue( item->data().toInt() );
+		model()->setValue(item->data().toInt());
 	}
 }