logic: Hide non-fatal errors in unindexed files

* added database field indexed to error to tell if the error occured within an indexed file
* added checkbox to Preferences for showing them

src/lib/component/controller/FeatureController.cpp

@@ -131,7 +131,7 @@ void FeatureController::handleMessage(MessageSearch* message)
 
 				case SearchMatch::COMMAND_ERROR:
 				{
-					MessageShowErrors msg(ErrorCountInfo(-1, 0));
+					MessageShowErrors msg(m_storageAccess->getErrorCount());
 					msg.setIsReplayed(message->isReplayed());
 					msg.dispatchImmediately();
 					return;

src/lib/component/controller/StatusBarController.cpp

@@ -43,12 +43,14 @@ void StatusBarController::handleMessage(MessageFinishedParsing* message)
 	MessageStatus(status, false).dispatch();
 }
 
+void StatusBarController::handleMessage(MessageRefresh* message)
+{
+	getView()->setErrorCount(m_storageAccess->getErrorCount());
+}
+
 void StatusBarController::handleMessage(MessageShowErrors* message)
 {
-	if (message->errorCount.total >= 0)
-	{
-		getView()->setErrorCount(message->errorCount);
-	}
+	getView()->setErrorCount(message->errorCount);
 }
 
 void StatusBarController::handleMessage(MessageStatus* message)

src/lib/component/controller/StatusBarController.h

@@ -8,6 +8,7 @@
 #include "utility/messaging/MessageListener.h"
 #include "utility/messaging/type/MessageClearErrorCount.h"
 #include "utility/messaging/type/MessageFinishedParsing.h"
+#include "utility/messaging/type/MessageRefresh.h"
 #include "utility/messaging/type/MessageShowErrors.h"
 #include "utility/messaging/type/MessageStatus.h"
 
@@ -18,6 +19,7 @@ class StatusBarController
 	: public Controller
 	, public MessageListener<MessageClearErrorCount>
 	, public MessageListener<MessageFinishedParsing>
+	, public MessageListener<MessageRefresh>
 	, public MessageListener<MessageShowErrors>
 	, public MessageListener<MessageStatus>
 {
@@ -32,6 +34,7 @@ public:
 private:
 	virtual void handleMessage(MessageClearErrorCount* message);
 	virtual void handleMessage(MessageFinishedParsing* message);
+	virtual void handleMessage(MessageRefresh* message);
 	virtual void handleMessage(MessageShowErrors* message);
 	virtual void handleMessage(MessageStatus* message);