Fix plugin state condition not functioning on OBS shutdown

Also added note indicating the limitations of running macros on OBS
shutdown

data/locale/en-US.ini

@@ -299,6 +299,7 @@ AdvSceneSwitcher.condition.pluginState.state.start="Plugin started"
 AdvSceneSwitcher.condition.pluginState.state.restart="Plugin restarted"
 AdvSceneSwitcher.condition.pluginState.state.running="Plugin is running"
 AdvSceneSwitcher.condition.pluginState.state.shutdown="OBS is shutting down"
+AdvSceneSwitcher.condition.pluginState.state.shutdown.limitation="Note that while actions performing OBS specific changes will still be executed on shutdown those changes will not be saved as OBS is already shutting down!"
 AdvSceneSwitcher.condition.pluginState.state.sceneCollection="Scene collection loaded"
 AdvSceneSwitcher.condition.pluginState.state.sceneSwitched="Scene changed by previous macro"
 AdvSceneSwitcher.condition.pluginState.entry="{{condition}}"

src/advanced-scene-switcher.cpp

@@ -123,6 +123,10 @@ static void AskForBackup(obs_data_t *obj);
 
 static void SaveSceneSwitcher(obs_data_t *save_data, bool saving, void *)
 {
+	if (!switcher) {
+		return;
+	}
+
 	if (saving) {
 		std::lock_guard<std::mutex> lock(switcher->m);
 		switcher->Prune();
@@ -614,7 +618,7 @@ static void setStreamStopping()
 		std::chrono::high_resolution_clock::now();
 }
 
-static void handleExit()
+static void handleShutdown()
 {
 	if (!switcher) {
 		return;
@@ -624,8 +628,14 @@ static void handleExit()
 		switcher->Stop();
 		switcher->CheckMacros();
 		switcher->RunMacros();
+
+		// Unfortunately this will not work as OBS will now allow saving
+		// the scene collection data at this point, So any OBS specific
+		// changes done during shutdown will be lost
+		//
+		// TODO: Look for a way to possibly resolve this
+		obs_frontend_save();
 	}
-	FreeSceneSwitcher();
 }
 
 static void handleSceneCollectionChanging()
@@ -649,8 +659,12 @@ static void OBSEvent(enum obs_frontend_event event, void *switcher)
 	}
 
 	switch (event) {
-	case OBS_FRONTEND_EVENT_EXIT:
-		handleExit();
+	case OBS_FRONTEND_EVENT_SCRIPTING_SHUTDOWN:
+		// Note: We are intentionally not listening for
+		// OBS_FRONTEND_EVENT_EXIT here as at that point all scene
+		// collection data will already have been cleared and thus all
+		// macros will have already been cleared
+		handleShutdown();
 		break;
 	case OBS_FRONTEND_EVENT_SCENE_CHANGED:
 		handleSceneChange();

src/macro-core/macro-condition-plugin-state.cpp

@@ -112,24 +112,28 @@ static inline void populateConditionSelection(QComboBox *list)
 
 MacroConditionPluginStateEdit::MacroConditionPluginStateEdit(
 	QWidget *parent, std::shared_ptr<MacroConditionPluginState> entryData)
-	: QWidget(parent)
+	: QWidget(parent),
+	  _condition(new QComboBox()),
+	  _shutdownLimitation(new QLabel(obs_module_text(
+		  "AdvSceneSwitcher.condition.pluginState.state.shutdown.limitation")))
 {
-	_condition = new QComboBox();
-
+	_shutdownLimitation->setWordWrap(true);
 	QWidget::connect(_condition, SIGNAL(currentIndexChanged(int)), this,
 			 SLOT(ConditionChanged(int)));
 	populateConditionSelection(_condition);
 
-	QHBoxLayout *switchLayout = new QHBoxLayout;
+	auto entryLayout = new QHBoxLayout;
 	std::unordered_map<std::string, QWidget *> widgetPlaceholders = {
 		{"{{condition}}", _condition},
 	};
 	PlaceWidgets(
 		obs_module_text("AdvSceneSwitcher.condition.pluginState.entry"),
-		switchLayout, widgetPlaceholders);
+		entryLayout, widgetPlaceholders);
+	entryLayout->setContentsMargins(0, 0, 0, 0);
 
-	QVBoxLayout *mainLayout = new QVBoxLayout;
-	mainLayout->addLayout(switchLayout);
+	auto mainLayout = new QVBoxLayout;
+	mainLayout->addLayout(entryLayout);
+	mainLayout->addWidget(_shutdownLimitation);
 	setLayout(mainLayout);
 
 	_entryData = entryData;
@@ -155,6 +159,7 @@ void MacroConditionPluginStateEdit::ConditionChanged(int idx)
 	    MacroConditionPluginState::Condition::OBS_SHUTDOWN) {
 		switcher->shutdownConditionCount++;
 	}
+	SetWidgetVisibility();
 }
 
 void MacroConditionPluginStateEdit::UpdateEntryData()
@@ -165,6 +170,16 @@ void MacroConditionPluginStateEdit::UpdateEntryData()
 
 	_condition->setCurrentIndex(
 		_condition->findData(static_cast<int>(_entryData->_condition)));
+	SetWidgetVisibility();
+}
+
+void MacroConditionPluginStateEdit::SetWidgetVisibility()
+{
+	_shutdownLimitation->setVisible(
+		_entryData->_condition ==
+		MacroConditionPluginState::Condition::OBS_SHUTDOWN);
+	adjustSize();
+	updateGeometry();
 }
 
 } // namespace advss

src/macro-core/macro-condition-plugin-state.hpp

@@ -58,7 +58,10 @@ private slots:
 	void ConditionChanged(int idx);
 
 protected:
+	void SetWidgetVisibility();
+
 	QComboBox *_condition;
+	QLabel *_shutdownLimitation;
 	std::shared_ptr<MacroConditionPluginState> _entryData;
 
 private: