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Diffstat (limited to 'lib/events/event.h')
| -rw-r--r-- | lib/events/event.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/events/event.h b/lib/events/event.h index 5be2b41b..a27c0b96 100644 --- a/lib/events/event.h +++ b/lib/events/event.h @@ -278,6 +278,32 @@ using Events = EventsArray<Event>; Type_::factory.addMethod<Type_>(); \ // End of macro +/// \brief Define a new event class with a single key-value pair in the content +/// +/// This macro defines a new event class \p Name_ derived from \p Base_, +/// with Matrix event type \p TypeId_, providing a getter named \p GetterName_ +/// for a single value of type \p ValueType_ inside the event content. +/// To retrieve the value the getter uses a JSON key name that corresponds to +/// its own (getter's) name but written in snake_case. \p GetterName_ must be +/// in camelCase, no quotes (an identifier, not a literal). +#define DEFINE_SIMPLE_EVENT(Name_, Base_, TypeId_, ValueType_, GetterName_) \ + class QUOTIENT_API Name_ : public Base_ { \ + public: \ + using content_type = ValueType_; \ + DEFINE_EVENT_TYPEID(TypeId_, Name_) \ + explicit Name_(const QJsonObject& obj) : Base_(TypeId, obj) {} \ + explicit Name_(const content_type& content) \ + : Name_(Base_::basicJson(TypeId, { { JsonKey, toJson(content) } })) \ + {} \ + auto GetterName_() const \ + { \ + return contentPart<content_type>(JsonKey); \ + } \ + static inline const auto JsonKey = toSnakeCase(#GetterName_##_ls); \ + }; \ + REGISTER_EVENT_TYPE(Name_) \ + // End of macro + // === is<>(), eventCast<>() and switchOnType<>() === template <class EventT> |