ui: logview logic in controller

* logfilter in applicationsettings
* logview limit 500 entries

src/lib/settings/ApplicationSettings.cpp

@@ -175,6 +175,16 @@ void ApplicationSettings::setVerboseIndexerLoggingEnabled(bool value)
 	setValue<bool>("application/verbose_indexer_logging_enabled", value);
 }
 
+void ApplicationSettings::setLogFilter(int mask)
+{
+	setValue<int>("application/log_filter", mask);
+}
+
+int ApplicationSettings::getLogFilter() const
+{
+	return getValue<int>("application/log_filter", Logger::LOG_WARNINGS | Logger::LOG_ERRORS);
+}
+
 std::vector<FilePath> ApplicationSettings::getIndexingFilePaths() const
 {
 	return getPathValues("application/state/indexing_paths/indexing_path");

src/lib/settings/ApplicationSettings.h

@@ -47,12 +47,16 @@ public:
 	float getScrollSpeed() const;
 	void setScrollSpeed(float scrollSpeed);
 
+	// logging
 	bool getLoggingEnabled() const;
 	void setLoggingEnabled(bool loggingEnabled);
 
 	bool getVerboseIndexerLoggingEnabled() const;
 	void setVerboseIndexerLoggingEnabled(bool loggingEnabled);
 
+	int getLogFilter() const;
+	void setLogFilter(int mask);
+
 	std::vector<FilePath> getIndexingFilePaths() const;
 	bool setIndexingFilePaths(const std::vector<FilePath>& indexingFiles);