ui: Added on-screen search feature (issue #79)

* Use menu action "Edit -> Find in View" or Ctrl + D
* UI displayed as search bar at bottom of main window
* Hide search bar with ECS or close button
* Entering a query searches in name of graph nodes and code contents of code view
* Use Enter to iterate through matches, well move match into view in graph and code view
* Checkboxes allow for adding/removing results for certain views
* Create Bookmark shortcut is now CTRL + S

bug id = 79

src/lib/data/location/LocationType.cpp

@@ -10,10 +10,12 @@ int locationTypeToInt(LocationType type)
 		return 1;
 	case LOCATION_LOCAL_SYMBOL:
 		return 2;
-	case LOCATION_FULLTEXT:
-		return 3;
 	case LOCATION_ERROR:
+		return 3;
+	case LOCATION_FULLTEXT_SEARCH:
 		return 4;
+	case LOCATION_SCREEN_SEARCH:
+		return 5;
 	}
 }
 
@@ -28,9 +30,11 @@ LocationType intToLocationType(int value)
 	case 2:
 		return LOCATION_LOCAL_SYMBOL;
 	case 3:
-		return LOCATION_FULLTEXT;
-	case 4:
 		return LOCATION_ERROR;
+	case 4:
+		return LOCATION_FULLTEXT_SEARCH;
+	case 5:
+		return LOCATION_SCREEN_SEARCH;
 	}
 	return LOCATION_TOKEN;
 }

src/lib/data/location/LocationType.h

@@ -6,8 +6,9 @@ enum LocationType
 	LOCATION_TOKEN,
 	LOCATION_SCOPE,
 	LOCATION_LOCAL_SYMBOL,
-	LOCATION_FULLTEXT,
-	LOCATION_ERROR
+	LOCATION_ERROR,
+	LOCATION_FULLTEXT_SEARCH,
+	LOCATION_SCREEN_SEARCH
 };
 
 int locationTypeToInt(LocationType type);

src/lib/data/location/SourceLocation.cpp

@@ -177,7 +177,7 @@ bool SourceLocation::isScopeLocation() const
 
 bool SourceLocation::isFullTextSearchMatch() const
 {
-	return m_type == LOCATION_FULLTEXT;
+	return m_type == LOCATION_FULLTEXT_SEARCH;
 }
 
 std::ostream& operator<<(std::ostream& ostream, const SourceLocation& location)

src/lib/data/storage/PersistentStorage.cpp

@@ -557,7 +557,7 @@ std::shared_ptr<SourceLocationCollection> PersistentStorage::getFullTextSearchLo
 				Id locationId = ~(~Id(0) >> 1) + collection->getSourceLocationCount() + 1;
 
 				collection->addSourceLocation(
-					LOCATION_FULLTEXT,
+					LOCATION_FULLTEXT_SEARCH,
 					locationId,
 					std::vector<Id>(),
 					filePath,