Add scene groups and rework save and load (#103)

src/headers/utility.hpp

@@ -9,6 +9,13 @@
 #include <obs-module.h>
 #include <obs-frontend-api.h>
 
+static inline bool SceneGroupValid(SceneGroup *group)
+{
+	if (group)
+		return group->name != invalid_scene_group_name;
+	return false;
+}
+
 static inline bool WeakSourceValid(obs_weak_source_t *ws)
 {
 	obs_source_t *source = obs_weak_source_get_source(ws);
@@ -30,6 +37,25 @@ static inline std::string GetWeakSourceName(obs_weak_source_t *weak_source)
 	return name;
 }
 
+static inline SceneGroup *GetSceneGroupByName(const char *name)
+{
+	if (!switcher)
+		return nullptr;
+
+	for (SceneGroup &sg : switcher->sceneGroups) {
+		if (sg.name == name) {
+			return &sg;
+		}
+	}
+
+	return nullptr;
+}
+
+static inline SceneGroup *GetSceneGroupByQString(const QString &name)
+{
+	return GetSceneGroupByName(name.toUtf8().constData());
+}
+
 static inline OBSWeakSource GetWeakSourceByName(const char *name)
 {
 	OBSWeakSource weak;