- sourceflow tiers: changed back a tier from '-' button to 'b' button. 'b' button is no longer used to exit or cancel a sourceflow tier but is still allowed during the base sourceflow.

source/menu/menu.hpp

@@ -1086,7 +1086,7 @@ private:
 	void _sourceFlow();
 	int _getSrcFlow();
 	void _setSrcFlow(int version);
-	void _srcTierBack(bool home);
+	bool _srcTierBack(bool home);
 	void _setSrcFlowBg();
 	void _mainLoopCommon(bool withCF = false, bool adjusting = false);
 	void _netInit();

source/menu/menu_main.cpp

@@ -399,10 +399,13 @@ int CMenu::main(void)
 				bUsed = false;
 			else
 			{
-				if(m_sourceflow)//if exiting sourceflow via b button
+				if(m_sourceflow)//back a tier or exit sourceflow
 				{
-					m_sourceflow = false;
+					if(!_srcTierBack(false))// back a tier
+					{
+						m_sourceflow = false;// if not back a tier then exit sourceflow
 						_setMainBg();
+					}
 					_showCF(true);
 					continue;
 				}
@@ -641,22 +644,14 @@ int CMenu::main(void)
 			else if(BTN_LEFT_REPEAT || RIGHT_STICK_LEFT)
 				CoverFlow.left();
 			else if(BTN_MINUS_PRESSED)
-			{
-				if(!m_sourceflow)
 					CoverFlow.pageUp();
-				else
-				{
-					_srcTierBack(false);
-					_showCF(true);
-				}
-			}
 			else if(BTN_PLUS_PRESSED)
 			{
 				if(!m_sourceflow)
 					CoverFlow.pageDown();
 				else
 				{
-					_srcTierBack(true);
+					_srcTierBack(true);// back to the 1st sourceflow tier
 					_showCF(true);
 				}
 			}

source/menu/menu_source.cpp

@@ -148,10 +148,10 @@ void CMenu::_setSrcFlow(int version)
 		m_cfg.setInt(SOURCEFLOW_DOMAIN, "last_cf_mode", curflow);
 }
 
-void CMenu::_srcTierBack(bool home)
+bool CMenu::_srcTierBack(bool home)
 {
 	if(!sm_tier)
-		return;
+		return false;
 	string fn;
 	if(home)
 	{
@@ -188,6 +188,7 @@ void CMenu::_srcTierBack(bool home)
 		srcDomain = m_source.nextDomain().c_str();
 	}
 	_setSrcFlowBg();
+	return true;
 }
 
 void CMenu::_setSrcFlowBg(void)