logic: Fulltextsearch

* fulltextsearch enabled in sqlite
* fulltextsearch start search with @
* codeview performance improved
* strip sRGB profile from png files to get rid of libpng warning at runtime

src/lib/data/location/LocationType.cpp

@@ -10,6 +10,8 @@ int locationTypeToInt(LocationType type)
 		return 1;
 	case LOCATION_LOCAL_SYMBOL:
 		return 2;
+	case LOCATION_FULLTEXTSEARCH_MATCH:
+		return 3;
 	}
 }
 
@@ -23,6 +25,8 @@ LocationType intToLocationType(int value)
 		return LOCATION_SCOPE;
 	case 2:
 		return LOCATION_LOCAL_SYMBOL;
+	case 3:
+		return LOCATION_FULLTEXTSEARCH_MATCH;
 	}
 	return LOCATION_TOKEN;
 }

src/lib/data/location/LocationType.h

@@ -5,7 +5,8 @@ enum LocationType
 {
 	LOCATION_TOKEN,
 	LOCATION_SCOPE,
-	LOCATION_LOCAL_SYMBOL
+	LOCATION_LOCAL_SYMBOL,
+	LOCATION_FULLTEXTSEARCH_MATCH
 };
 
 int locationTypeToInt(LocationType type);

src/lib/data/location/TokenLocation.cpp

@@ -182,6 +182,11 @@ bool TokenLocation::isScopeTokenLocation() const
 	return m_type == LOCATION_SCOPE;
 }
 
+bool TokenLocation::isFullTextSearchMatch() const
+{
+	return m_type == LOCATION_FULLTEXTSEARCH_MATCH;
+}
+
 std::ostream& operator<<(std::ostream& ostream, const TokenLocation& location)
 {
 	if ((&location)->isStartTokenLocation())

src/lib/data/location/TokenLocation.h

@@ -50,6 +50,7 @@ public:
 	bool isEndTokenLocation() const;
 
 	bool isScopeTokenLocation() const;
+	bool isFullTextSearchMatch() const;
 
 private:
 	const Id m_id;			// own id