Restructure "src/" folder

Moving files from the "src/" folder into "src/legacy", "src/macro-core",
and "src/utils" was necessary as it was becoming a bit too cluttered.

src/macro-core/macro-action-scene-collection.cpp

@@ -0,0 +1,117 @@
+#include "macro-action-scene-collection.hpp"
+#include "advanced-scene-switcher.hpp"
+#include "utility.hpp"
+
+const std::string MacroActionSceneCollection::id = "scene_collection";
+
+bool MacroActionSceneCollection::_registered = MacroActionFactory::Register(
+	MacroActionSceneCollection::id,
+	{MacroActionSceneCollection::Create,
+	 MacroActionSceneCollectionEdit::Create,
+	 "AdvSceneSwitcher.action.sceneCollection"});
+
+bool MacroActionSceneCollection::PerformAction()
+{
+	// Changing the scene collection will also reload the settings of the
+	// scene switcher, so to avoid issues of not being able to change
+	// settings ignore this action if the settings dialog is opened.
+	if (switcher->settingsWindowOpened) {
+		return false;
+	}
+	obs_frontend_set_current_scene_collection(_sceneCollection.c_str());
+	// It does not make sense to continue as the current settings will be
+	// invalid after switching scene collection.
+	return false;
+}
+
+void MacroActionSceneCollection::LogAction()
+{
+	vblog(LOG_INFO, "set scene collection type to \"%s\"",
+	      _sceneCollection.c_str());
+}
+
+bool MacroActionSceneCollection::Save(obs_data_t *obj)
+{
+	MacroAction::Save(obj);
+	obs_data_set_string(obj, "sceneCollection", _sceneCollection.c_str());
+	return true;
+}
+
+bool MacroActionSceneCollection::Load(obs_data_t *obj)
+{
+	MacroAction::Load(obj);
+	_sceneCollection = obs_data_get_string(obj, "sceneCollection");
+	return true;
+}
+
+std::string MacroActionSceneCollection::GetShortDesc()
+{
+	return _sceneCollection;
+}
+
+void populateSceneCollectionSelection(QComboBox *box)
+{
+	auto sceneCollections = obs_frontend_get_scene_collections();
+	char **temp = sceneCollections;
+	while (*temp) {
+		const char *name = *temp;
+		box->addItem(name);
+		temp++;
+	}
+	bfree(sceneCollections);
+	box->model()->sort(0);
+	addSelectionEntry(
+		box, obs_module_text("AdvSceneSwitcher.selectSceneCollection"),
+		false);
+	box->setCurrentIndex(0);
+}
+
+MacroActionSceneCollectionEdit::MacroActionSceneCollectionEdit(
+	QWidget *parent, std::shared_ptr<MacroActionSceneCollection> entryData)
+	: QWidget(parent)
+{
+	_sceneCollections = new QComboBox();
+	populateSceneCollectionSelection(_sceneCollections);
+	QWidget::connect(_sceneCollections,
+			 SIGNAL(currentTextChanged(const QString &)), this,
+			 SLOT(SceneCollectionChanged(const QString &)));
+
+	QHBoxLayout *entryLayout = new QHBoxLayout;
+	std::unordered_map<std::string, QWidget *> widgetPlaceholders = {
+		{"{{sceneCollections}}", _sceneCollections},
+	};
+	placeWidgets(obs_module_text(
+			     "AdvSceneSwitcher.action.sceneCollection.entry"),
+		     entryLayout, widgetPlaceholders);
+	QVBoxLayout *mainLayout = new QVBoxLayout;
+	mainLayout->addLayout(entryLayout);
+	mainLayout->addWidget(new QLabel(obs_module_text(
+		"AdvSceneSwitcher.action.sceneCollection.warning")));
+	setLayout(mainLayout);
+
+	_entryData = entryData;
+	UpdateEntryData();
+	_loading = false;
+}
+
+void MacroActionSceneCollectionEdit::UpdateEntryData()
+{
+	if (!_entryData) {
+		return;
+	}
+
+	_sceneCollections->setCurrentText(
+		QString::fromStdString(_entryData->_sceneCollection));
+}
+
+void MacroActionSceneCollectionEdit::SceneCollectionChanged(const QString &text)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_sceneCollection = text.toStdString();
+	emit HeaderInfoChanged(
+		QString::fromStdString(_entryData->GetShortDesc()));
+}