Add AddPostLoadStep()

Enables registering additional functions, which are to be executed after
the loading steps are complete

src/general.cpp

@@ -499,6 +499,9 @@ void SwitcherData::LoadSettings(obs_data_t *obj)
 		return;
 	}
 
+	// New post load steps to be declared during load
+	postLoadSteps.clear();
+
 	// Needs to be loaded before any entries which might rely on scene group
 	// selections to be available.
 	loadSceneGroups(obj);
@@ -529,6 +532,10 @@ void SwitcherData::LoadSettings(obs_data_t *obj)
 	LoadHotkeys(obj);
 	LoadUISettings(obj);
 
+	for (const auto &func : postLoadSteps) {
+		func();
+	}
+
 	// Reset on startup and scene collection change
 	switcher->lastOpenedTab = -1;
 	startupLoadDone = true;

src/switcher-data.cpp

@@ -186,4 +186,9 @@ void SwitcherData::AddLoadStep(std::function<void(obs_data_t *)> function)
 	loadSteps.emplace_back(function);
 }
 
+void SwitcherData::AddPostLoadStep(std::function<void()> function)
+{
+	postLoadSteps.emplace_back(function);
+}
+
 } // namespace advss

src/switcher-data.hpp

@@ -66,6 +66,7 @@ public:
 	void ResetForNextInterval();
 	void AddSaveStep(std::function<void(obs_data_t *)>);
 	void AddLoadStep(std::function<void(obs_data_t *)>);
+	void AddPostLoadStep(std::function<void()>);
 	void AddIntervalResetStep(std::function<void()>);
 	bool CheckForMatch(OBSWeakSource &scene, OBSWeakSource &transition,
 			   int &linger, bool &setPreviousSceneAsMatch,
@@ -116,6 +117,7 @@ public:
 
 	std::vector<std::function<void(obs_data_t *)>> saveSteps;
 	std::vector<std::function<void(obs_data_t *)>> loadSteps;
+	std::vector<std::function<void()>> postLoadSteps;
 	std::vector<std::function<void()>> resetIntervalSteps;
 
 	bool firstBoot = true;