Add option to connect last changed model to AutomationClip

include/AutomatableModelView.h

@@ -39,7 +39,7 @@ class LMMS_EXPORT AutomatableModelView : public ModelView
 {
 public:
 	AutomatableModelView( Model* model, QWidget* _this );
-	~AutomatableModelView() override = default;
+	~AutomatableModelView() override;
 
 	// some basic functions for convenience
 	AutomatableModel* modelUntyped()
@@ -76,13 +76,21 @@ class LMMS_EXPORT AutomatableModelView : public ModelView
 	void setConversionFactor( float factor );
 	float getConversionFactor();
 
+	static AutomatableModel* lastChangedModel()
+	{
+		return s_lastChangedModel;
+	}
+
 
 protected:
 	virtual void mousePressEvent( QMouseEvent* event );
 
 	QString m_description;
 	QString m_unit;
 	float m_conversionFactor; // Factor to be applied when the m_model->value is displayed
+
+private:
+	inline static AutomatableModel* s_lastChangedModel = nullptr;
 } ;
 
 

include/AutomationClipView.h

@@ -60,6 +60,7 @@ protected slots:
 	void toggleRecording();
 	void flipY();
 	void flipX();
+	void connectLastChangedModel();
 
 protected:
 	void constructContextMenu( QMenu * ) override;

src/core/AutomatableModel.cpp

@@ -32,6 +32,7 @@
 #include "LocaleHelper.h"
 #include "ProjectJournal.h"
 #include "Song.h"
+#include <QDebug>
 
 namespace lmms
 {

src/gui/AutomatableModelView.cpp

@@ -49,6 +49,15 @@ AutomatableModelView::AutomatableModelView( Model* model, QWidget* _this ) :
 {
 	widget()->setAcceptDrops( true );
 	widget()->setCursor( QCursor( embed::getIconPixmap( "hand" ), 3, 3 ) );
+	if (modelUntyped() != nullptr)
+	{
+		QObject::connect(modelUntyped(), &AutomatableModel::dataChanged, [this](){ s_lastChangedModel = modelUntyped(); });
+	}
+}
+
+AutomatableModelView::~AutomatableModelView()
+{
+	if (s_lastChangedModel != nullptr && s_lastChangedModel == modelUntyped()) { s_lastChangedModel = nullptr; }
 }
 
 void AutomatableModelView::addDefaultActions( QMenu* menu )
@@ -138,6 +147,10 @@ void AutomatableModelView::addDefaultActions( QMenu* menu )
 
 void AutomatableModelView::setModel( Model* model, bool isOldModelValid )
 {
+	if (model != nullptr && model != modelUntyped())
+	{
+		QObject::connect(model, &AutomatableModel::dataChanged, [this](){ s_lastChangedModel = modelUntyped(); });
+	}
 	ModelView::setModel( model, isOldModelValid );
 }
 

src/gui/clips/AutomationClipView.cpp

@@ -30,6 +30,7 @@
 #include <QMenu>
 
 #include "AutomationEditor.h"
+#include "AutomatableModelView.h"
 #include "embed.h"
 #include "GuiApplication.h"
 #include "ProjectJournal.h"
@@ -100,6 +101,26 @@ void AutomationClipView::changeName()
 
 
 
+void AutomationClipView::connectLastChangedModel()
+{
+	if (AutomatableModelView::lastChangedModel() != nullptr)
+	{
+		bool added = m_clip->addObject(AutomatableModelView::lastChangedModel());
+		if (added)
+		{
+			update();
+		}
+		else
+		{
+			TextFloat::displayMessage(AutomatableModelView::lastChangedModel()->displayName(),
+							tr("Model is already connected to this clip."),
+							embed::getIconPixmap("automation"),
+							2000);
+		}
+	}
+}
+
+
 
 void AutomationClipView::disconnectObject( QAction * _a )
 {
@@ -185,6 +206,14 @@ void AutomationClipView::constructContextMenu( QMenu * _cm )
 	_cm->addAction( embed::getIconPixmap( "flip_x" ),
 						tr( "Flip Horizontally (Visible)" ),
 						this, SLOT(flipX()));
+	if (AutomatableModelView::lastChangedModel() != nullptr)
+	{
+		_cm->addAction(tr("Connect last changed model (%1)").arg(
+			!AutomatableModelView::lastChangedModel()->displayName().isEmpty()
+				? AutomatableModelView::lastChangedModel()->fullDisplayName()
+				: "Unknown Model Name"),
+			this, &AutomationClipView::connectLastChangedModel);
+	}
 	if (!m_clip->m_objects.empty())
 	{
 		_cm->addSeparator();