2 files changed, 13 insertions, 9 deletions

diff --git a/indra/llxml/llcontrol.cpp b/indra/llxml/llcontrol.cpp
index 0809d95628..53d9380f4f 100644
--- a/indra/llxml/llcontrol.cpp
+++ b/indra/llxml/llcontrol.cpp
@@ -201,7 +201,8 @@ void LLControlVariable::setValue(const LLSD& new_value, bool saved_value)
 	}
 	
 	LLSD storable_value = getComparableValue(new_value);
-	bool value_changed = llsd_compare(getValue(), storable_value) == FALSE;
+	LLSD original_value = getValue();
+	bool value_changed = llsd_compare(original_value, storable_value) == FALSE;
 	if(saved_value)
 	{
     	// If we're going to save this value, return to default but don't fire
@@ -237,7 +238,7 @@ void LLControlVariable::setValue(const LLSD& new_value, bool saved_value)
 
     if(value_changed)
     {
-        mCommitSignal(this, storable_value); 
+		firePropertyChanged(original_value);
     }
 }
 
@@ -249,12 +250,13 @@ void LLControlVariable::setDefaultValue(const LLSD& value)
 	// *NOTE: Default values are not saved, only read.
 
 	LLSD comparable_value = getComparableValue(value);
-	bool value_changed = (llsd_compare(getValue(), comparable_value) == FALSE);
+	LLSD original_value = getValue();
+	bool value_changed = (llsd_compare(original_value, comparable_value) == FALSE);
 	resetToDefault(false);
 	mValues[0] = comparable_value;
 	if(value_changed)
 	{
-		firePropertyChanged();
+		firePropertyChanged(original_value);
 	}
 }
 
@@ -277,6 +279,8 @@ void LLControlVariable::resetToDefault(bool fire_signal)
 {
 	//The first setting is always the default
 	//Pop to it and fire off the listener
+	LLSD originalValue = mValues.back();
+
 	while(mValues.size() > 1)
 	{
 		mValues.pop_back();
@@ -284,7 +288,7 @@ void LLControlVariable::resetToDefault(bool fire_signal)
 	
 	if(fire_signal) 
 	{
-		firePropertyChanged();
+		firePropertyChanged(originalValue);
 	}
 }
 
diff --git a/indra/llxml/llcontrol.h b/indra/llxml/llcontrol.h
index 597031ec70..9a3a40e476 100644
--- a/indra/llxml/llcontrol.h
+++ b/indra/llxml/llcontrol.h
@@ -98,7 +98,7 @@ class LLControlVariable : public LLRefCount
 	
 public:
 	typedef boost::signals2::signal<bool(LLControlVariable* control, const LLSD&), boost_boolean_combiner> validate_signal_t;
-	typedef boost::signals2::signal<void(LLControlVariable* control, const LLSD&)> commit_signal_t;
+	typedef boost::signals2::signal<void(LLControlVariable* control, const LLSD&, const LLSD&)> commit_signal_t;
 
 private:
 	std::string		mName;
@@ -146,11 +146,11 @@ public:
 	void setHiddenFromSettingsEditor(bool hide);
 	void setComment(const std::string& comment);
 
-	void firePropertyChanged()
+private:
+	void firePropertyChanged(const LLSD &pPreviousValue)
 	{
-		mCommitSignal(this, mValues.back());
+		mCommitSignal(this, mValues.back(), pPreviousValue);
 	}
-private:
 	LLSD getComparableValue(const LLSD& value);
 	bool llsd_compare(const LLSD& a, const LLSD & b);
 };