data: saving errors to Storage

* saving errors in separate sqlite table
* use MessageShowErrors to show the errors in the UI
* show error count permanently in the right side of the status bar with click to show
* fixed clicking of error locations
* fixed expanding of files with errors

src/lib/utility/messaging/type/MessageShowErrors.h

@@ -0,0 +1,20 @@
+#ifndef MESSAGE_SHOW_ERRORS_H
+#define MESSAGE_SHOW_ERRORS_H
+
+#include "utility/messaging/Message.h"
+
+class MessageShowErrors
+	: public Message<MessageShowErrors>
+{
+public:
+	MessageShowErrors()
+	{
+	}
+
+	static const std::string getStaticType()
+	{
+		return "MessageShowErrors";
+	}
+};
+
+#endif // MESSAGE_SHOW_ERRORS_H

src/lib/utility/messaging/type/MessageShowFile.h

@@ -9,10 +9,9 @@ class MessageShowFile
 	: public Message<MessageShowFile>
 {
 public:
-	MessageShowFile(const FilePath& filePath, uint startLineNumber, uint endLineNumber)
+	MessageShowFile(const FilePath& filePath, bool showErrors)
 		: filePath(filePath)
-		, startLineNumber(startLineNumber)
-		, endLineNumber(endLineNumber)
+		, showErrors(showErrors)
 	{
 	}
 
@@ -22,8 +21,7 @@ public:
 	}
 
 	const FilePath filePath;
-	const uint startLineNumber;
-	const uint endLineNumber;
+	const bool showErrors;
 };
 
 #endif // MESSAGE_SHOW_FILE_H