From 07021ed84bca706c45f426f92a6208849dcbd646 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9s?= <andresbb@gmail.com>
Date: Sun, 14 Aug 2016 17:18:12 -0300
Subject: [PATCH] fix 'Set Linear' not saving properly (#1642) (#2742)

---
 include/DataFile.h            |  1 +
 src/core/AutomatableModel.cpp | 18 ++++++----
 src/core/DataFile.cpp         | 64 +++++++++++++++++++++++++++++++++++
 3 files changed, 77 insertions(+), 6 deletions(-)

diff --git a/include/DataFile.h b/include/DataFile.h
index 99c3b3ff0..57882bc0e 100644
--- a/include/DataFile.h
+++ b/include/DataFile.h
@@ -122,6 +122,7 @@ private:
 	void upgrade_0_4_0_20080622();
 	void upgrade_0_4_0_beta1();
 	void upgrade_0_4_0_rc2();
+	void upgrade_1_0_99();
 	void upgrade_1_1_0();
 	void upgrade_1_1_91();
 
diff --git a/src/core/AutomatableModel.cpp b/src/core/AutomatableModel.cpp
index 90c07b9fb..751c8b54d 100644
--- a/src/core/AutomatableModel.cpp
+++ b/src/core/AutomatableModel.cpp
@@ -195,14 +195,20 @@ void AutomatableModel::loadSettings( const QDomElement& element, const QString&
 				}
 			}
 	}
-	else if( element.hasAttribute( name ) )
-	// attribute => read the element's value from the attribute list
-	{
-		setInitValue( element.attribute( name ).toFloat() );
-	}
 	else
 	{
-		reset();
+
+		setScaleType( Linear );
+
+		if( element.hasAttribute( name ) )
+			// attribute => read the element's value from the attribute list
+		{
+			setInitValue( element.attribute( name ).toFloat() );
+		}
+		else
+		{
+			reset();
+		}
 	}
 }
 
diff --git a/src/core/DataFile.cpp b/src/core/DataFile.cpp
index 8222b2d04..8ac8b58f9 100644
--- a/src/core/DataFile.cpp
+++ b/src/core/DataFile.cpp
@@ -39,12 +39,15 @@
 #include "Effect.h"
 #include "embed.h"
 #include "GuiApplication.h"
+#include "lmms_basics.h"
 #include "lmmsversion.h"
 #include "PluginFactory.h"
 #include "ProjectVersion.h"
 #include "SongEditor.h"
 #include "TextFloat.h"
 
+static void findIds(const QDomElement& elem, QList<jo_id_t>& idList);
+
 
 
 
@@ -794,6 +797,47 @@ void DataFile::upgrade_0_4_0_rc2()
 }
 
 
+void DataFile::upgrade_1_0_99()
+{
+	jo_id_t last_assigned_id = 0;
+	
+	QList<jo_id_t> idList;
+	findIds(documentElement(), idList);
+	
+	QDomNodeList list = elementsByTagName("ladspacontrols");
+	for(int i = 0; !list.item(i).isNull(); ++i)
+	{
+		for(QDomNode node = list.item(i).firstChild(); !node.isNull();
+			node = node.nextSibling())
+		{
+			QDomElement el = node.toElement();
+			QDomNode data_child = el.namedItem("data");
+			if(!data_child.isElement())
+			{
+				if (el.attribute("scale_type") == "log")
+				{
+					QDomElement me = createElement("data");
+					me.setAttribute("value", el.attribute("data"));
+					me.setAttribute("scale_type", "log");
+					
+					jo_id_t id;
+					for(id = last_assigned_id + 1;
+						idList.contains(id); id++)
+					{
+					}
+					
+					last_assigned_id = id;
+					idList.append(id);
+					me.setAttribute("id", id);
+					el.appendChild(me);
+					
+				}
+			}
+		}
+	}	
+}
+
+
 void DataFile::upgrade_1_1_0()
 {
 	QDomNodeList list = elementsByTagName("fxchannel");
@@ -895,6 +939,10 @@ void DataFile::upgrade()
 	{
 		upgrade_0_4_0_rc2();
 	}
+	if( version < ProjectVersion("1.0.99", CompareType::Release) )
+	{
+		upgrade_1_0_99();
+	}
 	if( version < ProjectVersion("1.1.0", CompareType::Release) )
 	{
 		upgrade_1_1_0();
@@ -1007,3 +1055,19 @@ void DataFile::loadData( const QByteArray & _data, const QString & _sourceFile )
 	m_content = root.elementsByTagName( typeName( m_type ) ).
 							item( 0 ).toElement();
 }
+
+
+void findIds(const QDomElement& elem, QList<jo_id_t>& idList)
+{
+	if(elem.hasAttribute("id"))
+	{
+		idList.append(elem.attribute("id").toInt());
+	}
+	QDomElement child = elem.firstChildElement();
+	while(!child.isNull()) 
+	{
+		findIds(child, idList);
+		child = child.nextSiblingElement();
+	}
+}
+