Merge pull request #32043 from guilhermefelipecgs/fuzzy_help_search

Adds fuzzy search for help search dialog

editor/editor_help_search.cpp

@@ -338,10 +338,15 @@ bool EditorHelpSearch::Runner::_phase_match_classes() {
 			if (search_flags & SEARCH_METHODS)
 				for (int i = 0; i < class_doc.methods.size(); i++) {
 					String method_name = (search_flags & SEARCH_CASE_SENSITIVE) ? class_doc.methods[i].name : class_doc.methods[i].name.to_lower();
-					if (method_name.find(term) > -1 ||
-							(term.begins_with(".") && method_name.begins_with(term.right(1))) ||
-							(term.ends_with("(") && method_name.ends_with(term.left(term.length() - 1).strip_edges())) ||
-							(term.begins_with(".") && term.ends_with("(") && method_name == term.substr(1, term.length() - 2).strip_edges()))
+					String aux_term = (search_flags & SEARCH_CASE_SENSITIVE) ? term : term.to_lower();
+
+					if (aux_term.begins_with("."))
+						aux_term = aux_term.right(1);
+
+					if (aux_term.ends_with("("))
+						aux_term = aux_term.left(aux_term.length() - 1).strip_edges();
+
+					if (aux_term.is_subsequence_of(method_name))
 						match.methods.push_back(const_cast<DocData::MethodDoc *>(&class_doc.methods[i]));
 				}
 			if (search_flags & SEARCH_SIGNALS)
@@ -431,9 +436,9 @@ bool EditorHelpSearch::Runner::_phase_select_match() {
 bool EditorHelpSearch::Runner::_match_string(const String &p_term, const String &p_string) const {
 
 	if (search_flags & SEARCH_CASE_SENSITIVE)
-		return p_string.find(p_term) > -1;
+		return p_term.is_subsequence_of(p_string);
 	else
-		return p_string.findn(p_term) > -1;
+		return p_term.is_subsequence_ofi(p_string);
 }
 
 void EditorHelpSearch::Runner::_match_item(TreeItem *p_item, const String &p_text) {