Add option to directly map temp var values to variables

data/locale/en-US.ini

@@ -1795,6 +1795,10 @@ AdvSceneSwitcher.script.file.layout="Script file:{{path}}{{open}}"
 
 AdvSceneSwitcher.tempVar.select="--select value--"
 AdvSceneSwitcher.tempVar.selectionInfo.lastValues="Last values:"
+AdvSceneSwitcher.tempVar.outputMappings="Save outputs to variables:"
+AdvSceneSwitcher.tempVar.outputMappings.add="+ Add output mapping"
+AdvSceneSwitcher.tempVar.outputMappings.toggle="Assign outputs to variables"
+AdvSceneSwitcher.tempVar.outputMappings.remove="Remove output mapping"
 
 AdvSceneSwitcher.tempVar.twitch.broadcaster_user_id="Twitch broadcaster user ID"
 AdvSceneSwitcher.tempVar.twitch.broadcaster_user_id.description="The numerical Twitch user ID of the broadcaster."

data/res/images/DarkVariable.svg

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?><!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg fill="#fefefe" xmlns="http://www.w3.org/2000/svg"
+	 width="800px" height="800px" viewBox="0 0 52 52" enable-background="new 0 0 52 52" xml:space="preserve">
+<path d="M42.6,17.8c2.4,0,7.2-2,7.2-8.4c0-6.4-4.6-6.8-6.1-6.8c-2.8,0-5.6,2-8.1,6.3c-2.5,4.4-5.3,9.1-5.3,9.1
+	l-0.1,0c-0.6-3.1-1.1-5.6-1.3-6.7c-0.5-2.7-3.6-8.4-9.9-8.4c-6.4,0-12.2,3.7-12.2,3.7l0,0C5.8,7.3,5.1,8.5,5.1,9.9
+	c0,2.1,1.7,3.9,3.9,3.9c0.6,0,1.2-0.2,1.7-0.4l0,0c0,0,4.8-2.7,5.9,0c0.3,0.8,0.6,1.7,0.9,2.7c1.2,4.2,2.4,9.1,3.3,13.5l-4.2,6
+	c0,0-4.7-1.7-7.1-1.7s-7.2,2-7.2,8.4s4.6,6.8,6.1,6.8c2.8,0,5.6-2,8.1-6.3c2.5-4.4,5.3-9.1,5.3-9.1c0.8,4,1.5,7.1,1.9,8.5
+	c1.6,4.5,5.3,7.2,10.1,7.2c0,0,5,0,10.9-3.3c1.4-0.6,2.4-2,2.4-3.6c0-2.1-1.7-3.9-3.9-3.9c-0.6,0-1.2,0.2-1.7,0.4l0,0
+	c0,0-4.2,2.4-5.6,0.5c-1-2-1.9-4.6-2.6-7.8c-0.6-2.8-1.3-6.2-2-9.5l4.3-6.2C35.5,16.1,40.2,17.8,42.6,17.8z"/>
+</svg>

data/res/images/LightVariable.svg

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?><!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg fill="#202020" xmlns="http://www.w3.org/2000/svg"
+	 width="800px" height="800px" viewBox="0 0 52 52" enable-background="new 0 0 52 52" xml:space="preserve">
+<path d="M42.6,17.8c2.4,0,7.2-2,7.2-8.4c0-6.4-4.6-6.8-6.1-6.8c-2.8,0-5.6,2-8.1,6.3c-2.5,4.4-5.3,9.1-5.3,9.1
+	l-0.1,0c-0.6-3.1-1.1-5.6-1.3-6.7c-0.5-2.7-3.6-8.4-9.9-8.4c-6.4,0-12.2,3.7-12.2,3.7l0,0C5.8,7.3,5.1,8.5,5.1,9.9
+	c0,2.1,1.7,3.9,3.9,3.9c0.6,0,1.2-0.2,1.7-0.4l0,0c0,0,4.8-2.7,5.9,0c0.3,0.8,0.6,1.7,0.9,2.7c1.2,4.2,2.4,9.1,3.3,13.5l-4.2,6
+	c0,0-4.7-1.7-7.1-1.7s-7.2,2-7.2,8.4s4.6,6.8,6.1,6.8c2.8,0,5.6-2,8.1-6.3c2.5-4.4,5.3-9.1,5.3-9.1c0.8,4,1.5,7.1,1.9,8.5
+	c1.6,4.5,5.3,7.2,10.1,7.2c0,0,5,0,10.9-3.3c1.4-0.6,2.4-2,2.4-3.6c0-2.1-1.7-3.9-3.9-3.9c-0.6,0-1.2,0.2-1.7,0.4l0,0
+	c0,0-4.2,2.4-5.6,0.5c-1-2-1.9-4.6-2.6-7.8c-0.6-2.8-1.3-6.2-2-9.5l4.3-6.2C35.5,16.1,40.2,17.8,42.6,17.8z"/>
+</svg>

lib/macro/macro-action-edit.cpp

@@ -49,10 +49,12 @@ MacroActionEdit::MacroActionEdit(QWidget *parent,
 	_section->AddHeaderWidget(_enable);
 	_section->AddHeaderWidget(_actionSelection);
 	_section->AddHeaderWidget(_headerInfo);
+	_section->AddHeaderWidget(_varMappingToggle);
 
 	auto actionLayout = new QVBoxLayout;
 	actionLayout->setContentsMargins({7, 7, 7, 7});
 	actionLayout->addWidget(_section);
+	actionLayout->addWidget(_outputMappings);
 	_contentLayout->addLayout(actionLayout);
 
 	auto mainLayout = new QHBoxLayout;
@@ -61,7 +63,6 @@ MacroActionEdit::MacroActionEdit(QWidget *parent,
 	mainLayout->addWidget(_frame);
 	setLayout(mainLayout);
 
-	_entryData = entryData;
 	SetupWidgets(true);
 
 	actionStateTimer->start(300);
@@ -90,7 +91,10 @@ void MacroActionEdit::SetupWidgets(bool basicSetup)
 	auto widget = MacroActionFactory::CreateWidget(id, this, *_entryData);
 	QWidget::connect(widget, SIGNAL(HeaderInfoChanged(const QString &)),
 			 this, SLOT(HeaderInfoChanged(const QString &)));
+	QWidget::connect(widget, SIGNAL(ShowVariableMappings(bool)), this,
+			 SLOT(ShowVariableMappings(bool)));
 	_section->SetContent(widget, (*_entryData)->GetCollapsed());
+	SetupVarMappings((*_entryData).get());
 	SetFocusPolicyOfWidgets();
 
 	_allWidgetsAreSetup = true;
@@ -121,7 +125,10 @@ void MacroActionEdit::ActionSelectionChanged(const QString &text)
 	auto widget = MacroActionFactory::CreateWidget(id, this, *_entryData);
 	QWidget::connect(widget, SIGNAL(HeaderInfoChanged(const QString &)),
 			 this, SLOT(HeaderInfoChanged(const QString &)));
+	QWidget::connect(widget, SIGNAL(ShowVariableMappings(bool)), this,
+			 SLOT(ShowVariableMappings(bool)));
 	_section->SetContent(widget);
+	SetupVarMappings((*_entryData).get());
 	SetFocusPolicyOfWidgets();
 }
 

lib/macro/macro-action-variable.cpp

@@ -19,10 +19,11 @@ const std::string MacroActionVariable::id = "variable";
 
 std::vector<TempVariableRef> MacroActionVariable::GetTempVarRefs() const
 {
-	if (!_tempVar.HasValidID()) {
-		return {};
+	auto refs = MacroSegment::GetTempVarRefs();
+	if (_tempVar.HasValidID()) {
+		refs.push_back(_tempVar);
 	}
-	return {_tempVar};
+	return refs;
 }
 
 bool MacroActionVariable::_registered = MacroActionFactory::Register(

lib/macro/macro-condition-edit.cpp

@@ -126,10 +126,12 @@ MacroConditionEdit::MacroConditionEdit(
 	_section->AddHeaderWidget(_conditionSelection);
 	_section->AddHeaderWidget(_headerInfo);
 	_section->AddHeaderWidget(_dur);
+	_section->AddHeaderWidget(_varMappingToggle);
 
 	QVBoxLayout *conditionLayout = new QVBoxLayout;
 	conditionLayout->setContentsMargins({7, 7, 7, 7});
 	conditionLayout->addWidget(_section);
+	conditionLayout->addWidget(_outputMappings);
 	_contentLayout->addLayout(conditionLayout);
 
 	QHBoxLayout *mainLayout = new QHBoxLayout;
@@ -204,7 +206,10 @@ void MacroConditionEdit::SetupWidgets(bool basicSetup)
 		MacroConditionFactory::CreateWidget(id, this, *_entryData);
 	QWidget::connect(widget, SIGNAL(HeaderInfoChanged(const QString &)),
 			 this, SLOT(HeaderInfoChanged(const QString &)));
+	QWidget::connect(widget, SIGNAL(ShowVariableMappings(bool)), this,
+			 SLOT(ShowVariableMappings(bool)));
 	_section->SetContent(widget, (*_entryData)->GetCollapsed());
+	SetupVarMappings((*_entryData).get());
 	SetFocusPolicyOfWidgets();
 
 	_allWidgetsAreSetup = true;
@@ -245,7 +250,10 @@ void MacroConditionEdit::ConditionSelectionChanged(const QString &text)
 		MacroConditionFactory::CreateWidget(id, this, *_entryData);
 	QWidget::connect(widget, SIGNAL(HeaderInfoChanged(const QString &)),
 			 this, SLOT(HeaderInfoChanged(const QString &)));
+	QWidget::connect(widget, SIGNAL(ShowVariableMappings(bool)), this,
+			 SLOT(ShowVariableMappings(bool)));
 	_section->SetContent(widget);
+	SetupVarMappings((*_entryData).get());
 	_dur->setVisible(MacroConditionFactory::UsesDurationModifier(id));
 	SetFocusPolicyOfWidgets();
 }

lib/macro/macro-condition-tempvar.cpp

@@ -8,10 +8,11 @@ const std::string MacroConditionTempVar::id = "temp_var";
 
 std::vector<TempVariableRef> MacroConditionTempVar::GetTempVarRefs() const
 {
-	if (!_tempVar.HasValidID()) {
-		return {};
+	auto refs = MacroSegment::GetTempVarRefs();
+	if (_tempVar.HasValidID()) {
+		refs.push_back(_tempVar);
 	}
-	return {_tempVar};
+	return refs;
 }
 
 bool MacroConditionTempVar::_registered = MacroConditionFactory::Register(

lib/macro/macro-segment.cpp

@@ -1,8 +1,10 @@
 #include "macro-segment.hpp"
 #include "macro.hpp"
 #include "mouse-wheel-guard.hpp"
+#include "path-helpers.hpp"
 #include "section.hpp"
 #include "ui-helpers.hpp"
+#include "variable.hpp"
 
 #include <QApplication>
 #include <QEvent>
@@ -15,7 +17,48 @@ namespace advss {
 
 std::vector<TempVariableRef> MacroSegment::GetTempVarRefs() const
 {
-	return {};
+	std::vector<TempVariableRef> refs;
+	for (const auto &mapping : _varMappings) {
+		if (mapping.tempVar.HasValidID()) {
+			refs.push_back(mapping.tempVar);
+		}
+	}
+	return refs;
+}
+
+void MacroSegment::ApplyVarMappings()
+{
+	auto macro = GetMacro();
+	for (const auto &mapping : _varMappings) {
+		auto var = mapping.variable.lock();
+		if (!var) {
+			continue;
+		}
+		const auto tempVar = mapping.tempVar.GetTempVariable(macro);
+		if (!tempVar) {
+			continue;
+		}
+		const auto value = tempVar->Value();
+		if (!value) {
+			continue;
+		}
+		var->SetValue(*value);
+	}
+}
+
+const std::vector<VarMapping> &MacroSegment::GetVarMappings() const
+{
+	return _varMappings;
+}
+
+void MacroSegment::SetVarMappings(const std::vector<VarMapping> &mappings)
+{
+	_varMappings = mappings;
+}
+
+std::vector<TempVariable> MacroSegment::GetOwnTempVars() const
+{
+	return _tempVariables;
 }
 
 MacroSegment::MacroSegment(Macro *m, bool supportsVariableValue)
@@ -24,14 +67,32 @@ MacroSegment::MacroSegment(Macro *m, bool supportsVariableValue)
 {
 }
 
+void MacroSegment::SetVarMappingExpanded(bool expanded)
+{
+	_varMappingExpanded = expanded;
+}
+
 bool MacroSegment::Save(obs_data_t *obj) const
 {
 	OBSDataAutoRelease data = obs_data_create();
 	obs_data_set_bool(data, "collapsed", _collapsed);
+	obs_data_set_bool(data, "varMappingExpanded", _varMappingExpanded);
 	obs_data_set_bool(data, "useCustomLabel", _useCustomLabel);
 	obs_data_set_string(data, "customLabel", _customLabel.c_str());
 	obs_data_set_bool(data, "enabled", _enabled);
 	obs_data_set_int(data, "version", 1);
+
+	OBSDataArrayAutoRelease mappingsArray = obs_data_array_create();
+	for (const auto &mapping : _varMappings) {
+		OBSDataAutoRelease item = obs_data_create();
+		mapping.tempVar.Save(item, GetMacro(), "tempVar");
+		obs_data_set_string(
+			item, "variable",
+			GetWeakVariableName(mapping.variable).c_str());
+		obs_data_array_push_back(mappingsArray, item);
+	}
+	obs_data_set_array(data, "varMappings", mappingsArray);
+
 	obs_data_set_obj(obj, "segmentSettings", data);
 	return true;
 }
@@ -40,6 +101,7 @@ bool MacroSegment::Load(obs_data_t *obj)
 {
 	OBSDataAutoRelease data = obs_data_get_obj(obj, "segmentSettings");
 	_collapsed = obs_data_get_bool(data, "collapsed");
+	_varMappingExpanded = obs_data_get_bool(data, "varMappingExpanded");
 	_useCustomLabel = obs_data_get_bool(data, "useCustomLabel");
 	_customLabel = obs_data_get_string(data, "customLabel");
 	obs_data_set_default_bool(data, "enabled", true);
@@ -50,6 +112,20 @@ bool MacroSegment::Load(obs_data_t *obj)
 		_enabled = obs_data_get_bool(obj, "enabled");
 	}
 
+	_varMappings.clear();
+	OBSDataArrayAutoRelease mappingsArray =
+		obs_data_get_array(data, "varMappings");
+	const size_t count = obs_data_array_count(mappingsArray);
+	_varMappings.reserve(count);
+	for (size_t i = 0; i < count; i++) {
+		OBSDataAutoRelease item = obs_data_array_item(mappingsArray, i);
+		VarMapping mapping;
+		mapping.variable = GetWeakVariableByName(
+			obs_data_get_string(item, "variable"));
+		_varMappings.push_back(std::move(mapping));
+		_varMappings.back().tempVar.Load(item, GetMacro(), "tempVar");
+	}
+
 	ClearAvailableTempvars();
 	return true;
 }
@@ -226,11 +302,38 @@ MacroSegmentEdit::MacroSegmentEdit(QWidget *parent)
 	  _headerInfo(new QLabel()),
 	  _frame(new QWidget),
 	  _contentLayout(new QVBoxLayout),
+	  _outputMappings(new TempVarOutputMappingsWidget(this)),
+	  _varMappingToggle(new QPushButton(this)),
 	  _noBorderframe(new QFrame),
 	  _borderFrame(new QFrame),
 	  _dropLineAbove(new QFrame),
 	  _dropLineBelow(new QFrame)
 {
+	const auto iconPath = QString::fromStdString(GetDataFilePath(
+		"res/images/" + GetThemeTypeName() + "Variable.svg"));
+	_varMappingToggle->setIcon(QIcon(iconPath));
+	_varMappingToggle->setMaximumWidth(22);
+	_varMappingToggle->setFlat(true);
+	_varMappingToggle->setCheckable(true);
+	_varMappingToggle->setVisible(false);
+	_varMappingToggle->setToolTip(obs_module_text(
+		"AdvSceneSwitcher.tempVar.outputMappings.toggle"));
+
+	QWidget::connect(_varMappingToggle, &QPushButton::toggled,
+			 _outputMappings,
+			 &TempVarOutputMappingsWidget::SetPanelExpanded);
+	QWidget::connect(_varMappingToggle, &QPushButton::toggled, this,
+			 [this](bool checked) {
+				 if (Data()) {
+					 Data()->SetVarMappingExpanded(checked);
+				 }
+			 });
+	QWidget::connect(_outputMappings,
+			 &TempVarOutputMappingsWidget::ExpandableChanged,
+			 _varMappingToggle, &QPushButton::setVisible);
+	QWidget::connect(_section, &Section::Collapsed, _outputMappings,
+			 &TempVarOutputMappingsWidget::SetSectionCollapsed);
+
 	_dropLineAbove->setLineWidth(3);
 	_dropLineAbove->setFixedHeight(11);
 	_dropLineBelow->setLineWidth(3);
@@ -292,6 +395,21 @@ MacroSegmentEdit::MacroSegmentEdit(QWidget *parent)
 	_headerInfo->installEventFilter(this);
 }
 
+void MacroSegmentEdit::SetupVarMappings(MacroSegment *segment)
+{
+	_outputMappings->SetSegment(segment);
+	_varMappingToggle->setChecked(segment &&
+				      segment->GetVarMappingExpanded());
+}
+
+void MacroSegmentEdit::ShowVariableMappings(bool show)
+{
+	_varMappingToggle->setChecked(show);
+	if (Data()) {
+		Data()->SetVarMappingExpanded(show);
+	}
+}
+
 bool MacroSegmentEdit::eventFilter(QObject *obj, QEvent *ev)
 {
 	if (obj == _headerInfo && ev->type() == QEvent::MouseMove) {

lib/macro/macro-segment.hpp

@@ -9,15 +9,23 @@
 
 #include <QWidget>
 #include <QFrame>
+#include <QPushButton>
 #include <QVBoxLayout>
 #include <QTimer>
 #include <obs-data.h>
+#include <memory>
 
 class QLabel;
 
 namespace advss {
 
 class Macro;
+class Variable;
+
+struct VarMapping {
+	TempVariableRef tempVar;
+	std::weak_ptr<Variable> variable;
+};
 
 class EXPORT MacroSegment : public Lockable {
 public:
@@ -28,6 +36,8 @@ public:
 	int GetIndex() const { return _idx; }
 	void SetCollapsed(bool collapsed) { _collapsed = collapsed; }
 	bool GetCollapsed() const { return _collapsed; }
+	void SetVarMappingExpanded(bool expanded);
+	bool GetVarMappingExpanded() const { return _varMappingExpanded; }
 	void SetUseCustomLabel(bool enable) { _useCustomLabel = enable; }
 	bool GetUseCustomLabel() const { return _useCustomLabel; }
 	void SetCustomLabel(const std::string &label) { _customLabel = label; }
@@ -43,6 +53,10 @@ public:
 	void SetEnabled(bool);
 	bool Enabled() const;
 	virtual std::string GetVariableValue() const;
+	void ApplyVarMappings();
+	const std::vector<VarMapping> &GetVarMappings() const;
+	void SetVarMappings(const std::vector<VarMapping> &mappings);
+	std::vector<TempVariable> GetOwnTempVars() const;
 
 protected:
 	friend bool SupportsVariableValue(MacroSegment *);
@@ -87,6 +101,7 @@ private:
 	// UI helper
 	bool _highlight = false;
 	bool _collapsed = false;
+	bool _varMappingExpanded = false;
 	bool _enabled = true;
 
 	// Custom header labels
@@ -99,6 +114,7 @@ private:
 	int _variableRefs = 0;
 	std::string _variableValue;
 	std::vector<TempVariable> _tempVariables;
+	std::vector<VarMapping> _varMappings;
 
 	friend class Macro;
 };
@@ -118,8 +134,11 @@ public:
 	virtual std::shared_ptr<MacroSegment> Data() const = 0;
 	virtual void SetupWidgets(bool basicSetup = false) = 0;
 
+	void SetupVarMappings(MacroSegment *segment);
+
 public slots:
 	void HeaderInfoChanged(const QString &);
+	void ShowVariableMappings(bool show);
 
 protected slots:
 	void Collapsed(bool) const;
@@ -134,6 +153,8 @@ protected:
 	QLabel *_headerInfo;
 	QWidget *_frame;
 	QVBoxLayout *_contentLayout;
+	TempVarOutputMappingsWidget *_outputMappings;
+	QPushButton *_varMappingToggle;
 	bool _allWidgetsAreSetup = false;
 
 private:

lib/macro/macro.cpp

@@ -113,6 +113,7 @@ static bool checkCondition(const std::shared_ptr<MacroCondition> &condition)
 	condition->WithLock([&condition, &conditionMatched]() {
 		conditionMatched = condition->EvaluateCondition();
 	});
+	condition->ApplyVarMappings();
 	const auto endTime = std::chrono::high_resolution_clock::now();
 	const auto timeSpent = endTime - startTime;
 
@@ -432,6 +433,7 @@ bool Macro::RunActionsHelper(
 			action->WithLock([&action, &actionResult]() {
 				actionResult = action->PerformAction();
 			});
+			action->ApplyVarMappings();
 			actionsExecutedSuccessfully =
 				actionsExecutedSuccessfully && actionResult;
 		} else {

lib/utils/temp-variable.cpp

@@ -5,11 +5,20 @@
 #include "macro-edit.hpp"
 #include "macro-segment.hpp"
 #include "plugin-state-helpers.hpp"
+#include "sync-helpers.hpp"
 #include "ui-helpers.hpp"
 #include "utility.hpp"
+#include "variable.hpp"
 
-#include <QVariant>
 #include <QAbstractItemView>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QPropertyAnimation>
+#include <QPushButton>
+#include <QToolButton>
+#include <QVariant>
+#include <QVBoxLayout>
+
 #include <atomic>
 
 Q_DECLARE_METATYPE(advss::TempVariableRef);
@@ -731,4 +740,293 @@ void NotifyUIAboutTempVarChange(MacroSegment *segment)
 		segment);
 }
 
+TempVarOutputMappingsWidget::TempVarOutputMappingsWidget(QWidget *parent)
+	: QWidget(parent),
+	  _rowsLayout(new QVBoxLayout()),
+	  _addButton(new QPushButton(
+		  obs_module_text("AdvSceneSwitcher.tempVar.outputMappings.add"),
+		  this)),
+	  _animation(new QPropertyAnimation(this, "maximumHeight", this))
+{
+	_rowsLayout->setContentsMargins(0, 0, 0, 0);
+	_rowsLayout->setSpacing(2);
+	auto rowsContainer = new QWidget(this);
+	rowsContainer->setLayout(_rowsLayout);
+
+	auto label = new QLabel(
+		obs_module_text("AdvSceneSwitcher.tempVar.outputMappings"),
+		this);
+
+	auto mainLayout = new QVBoxLayout();
+	mainLayout->addWidget(label);
+	mainLayout->addWidget(rowsContainer);
+	mainLayout->addWidget(_addButton);
+	setLayout(mainLayout);
+
+	_animation->setDuration(300);
+	_animation->setEasingCurve(QEasingCurve::InOutQuad);
+	connect(_animation, &QPropertyAnimation::finished, this,
+		&TempVarOutputMappingsWidget::AnimationFinished);
+
+	hide();
+
+	connect(_addButton, &QPushButton::clicked, this,
+		&TempVarOutputMappingsWidget::Add);
+	connect(TempVarSignalManager::Instance(),
+		SIGNAL(SegmentTempVarsChanged(MacroSegment *)), this,
+		SLOT(SegmentTempVarsChanged(MacroSegment *)));
+}
+
+void TempVarOutputMappingsWidget::SetSegment(MacroSegment *segment)
+{
+	_segment = segment;
+	_panelExpanded = false;
+	Rebuild();
+}
+
+void TempVarOutputMappingsWidget::Add()
+{
+	if (!_segment) {
+		return;
+	}
+	auto mappings = _segment->GetVarMappings();
+	mappings.push_back(VarMapping{});
+	{
+		auto lock = LockContext();
+		_segment->SetVarMappings(mappings);
+	}
+	Rebuild();
+}
+
+void TempVarOutputMappingsWidget::Remove(int rowIdx)
+{
+	if (!_segment) {
+		return;
+	}
+	auto mappings = _segment->GetVarMappings();
+	if (rowIdx < 0 || rowIdx >= (int)mappings.size()) {
+		return;
+	}
+	mappings.erase(mappings.begin() + rowIdx);
+	{
+		auto lock = LockContext();
+		_segment->SetVarMappings(mappings);
+	}
+	Rebuild();
+}
+
+void TempVarOutputMappingsWidget::SegmentTempVarsChanged(MacroSegment *segment)
+{
+	if (segment != _segment) {
+		return;
+	}
+	// Re-populate each temp var combobox in case temp vars were added/removed
+	_loading = true;
+	const auto &mappings = _segment->GetVarMappings();
+	for (int i = 0; i < (int)_rows.size(); i++) {
+		auto combo = _rows[i].tempVarCombo;
+		const QSignalBlocker blocker(combo);
+		combo->clear();
+		PopulateTempVarCombo(combo);
+		if (i < (int)mappings.size() &&
+		    mappings[i].tempVar.HasValidID()) {
+			QVariant v;
+			v.setValue(mappings[i].tempVar);
+			combo->setCurrentIndex(combo->findData(v));
+		}
+	}
+	_loading = false;
+	UpdateVisibility();
+}
+
+void TempVarOutputMappingsWidget::WriteBackMappings()
+{
+	if (_loading || !_segment) {
+		return;
+	}
+	std::vector<VarMapping> mappings;
+	for (const auto &row : _rows) {
+		VarMapping m;
+		const int idx = row.tempVarCombo->currentIndex();
+		if (idx >= 0) {
+			m.tempVar = row.tempVarCombo->itemData(idx)
+					    .value<TempVariableRef>();
+		}
+
+		auto item = row.varSelection->GetCurrentItem();
+		if (!item) {
+			continue;
+		}
+
+		m.variable = GetWeakVariableByName(item->Name());
+		mappings.push_back(std::move(m));
+	}
+	auto lock = LockContext();
+	_segment->SetVarMappings(mappings);
+}
+
+void TempVarOutputMappingsWidget::Rebuild()
+{
+	_loading = true;
+
+	// Remove all existing row widgets from layout and delete them
+	for (auto &row : _rows) {
+		_rowsLayout->removeWidget(row.container);
+		delete row.container;
+	}
+	_rows.clear();
+
+	if (!_segment) {
+		_loading = false;
+		UpdateVisibility();
+		return;
+	}
+
+	const auto &mappings = _segment->GetVarMappings();
+	for (int i = 0; i < (int)mappings.size(); i++) {
+		const auto &mapping = mappings[i];
+
+		auto container = new QWidget(this);
+		auto rowLayout = new QHBoxLayout();
+		rowLayout->setContentsMargins(0, 0, 0, 0);
+
+		auto tempVarCombo = new FilterComboBox(
+			container,
+			obs_module_text("AdvSceneSwitcher.tempVar.select"));
+		tempVarCombo->setSizeAdjustPolicy(QComboBox::AdjustToContents);
+		tempVarCombo->setMaximumWidth(350);
+		tempVarCombo->setDuplicatesEnabled(true);
+		PopulateTempVarCombo(tempVarCombo);
+		if (mapping.tempVar.HasValidID()) {
+			QVariant v;
+			v.setValue(mapping.tempVar);
+			tempVarCombo->setCurrentIndex(
+				tempVarCombo->findData(v));
+		}
+
+		auto arrowLabel = new QLabel(container);
+		{
+			QIcon icon;
+			const auto path = (GetThemeTypeName() == "Light")
+						  ? "theme:Light/right.svg"
+						  : "theme:Dark/right.svg";
+			icon.addFile(QString::fromUtf8(path), QSize(),
+				     QIcon::Normal, QIcon::Off);
+			arrowLabel->setPixmap(icon.pixmap(16, 16));
+		}
+
+		auto varSel = new VariableSelection(container);
+		varSel->SetVariable(mapping.variable);
+
+		auto removeBtn = new QToolButton(container);
+		removeBtn->setProperty("themeID", QVariant(QString::fromUtf8(
+							  "removeIconSmall")));
+		removeBtn->setProperty(
+			"class", QVariant(QString::fromUtf8("icon-trash")));
+		removeBtn->setToolTip(obs_module_text(
+			"AdvSceneSwitcher.tempVar.outputMappings.remove"));
+
+		rowLayout->addWidget(tempVarCombo, 1);
+		rowLayout->addWidget(arrowLabel);
+		rowLayout->addWidget(varSel, 1);
+		rowLayout->addWidget(removeBtn);
+		container->setLayout(rowLayout);
+
+		_rowsLayout->addWidget(container);
+		_rows.push_back({container, tempVarCombo, varSel});
+
+		const int capturedIdx = i;
+		connect(removeBtn, &QPushButton::clicked, this,
+			[this, capturedIdx]() { Remove(capturedIdx); });
+		connect(tempVarCombo,
+			QOverload<int>::of(&QComboBox::currentIndexChanged),
+			this, &TempVarOutputMappingsWidget::WriteBackMappings);
+		connect(varSel, &VariableSelection::SelectionChanged, this,
+			[this](const QString &) { WriteBackMappings(); });
+	}
+
+	_loading = false;
+	UpdateVisibility();
+}
+
+bool TempVarOutputMappingsWidget::IsExpandable() const
+{
+	return _segment && !_segment->GetOwnTempVars().empty();
+}
+
+void TempVarOutputMappingsWidget::SetPanelExpanded(bool expanded)
+{
+	_panelExpanded = expanded;
+	UpdateHeight();
+}
+
+void TempVarOutputMappingsWidget::SetSectionCollapsed(bool collapsed)
+{
+	_sectionCollapsed = collapsed;
+	UpdateHeight();
+}
+
+void TempVarOutputMappingsWidget::AnimateTo(int targetHeight)
+{
+	if (_animation->state() == QAbstractAnimation::Running) {
+		_animation->stop();
+	}
+
+	if (targetHeight > 0 && !isVisible()) {
+		setMinimumHeight(0);
+		setMaximumHeight(0);
+		show();
+	}
+
+	const int currentMax = maximumHeight();
+	const int currentHeight = (currentMax >= QWIDGETSIZE_MAX) ? height()
+								  : currentMax;
+
+	_animationTargetHeight = targetHeight;
+	_animation->setStartValue(currentHeight);
+	_animation->setEndValue(targetHeight);
+	_animation->start();
+}
+
+void TempVarOutputMappingsWidget::AnimationFinished()
+{
+	if (_animationTargetHeight > 0) {
+		setMaximumHeight(QWIDGETSIZE_MAX);
+	} else {
+		hide();
+		setMaximumHeight(QWIDGETSIZE_MAX);
+	}
+}
+
+void TempVarOutputMappingsWidget::UpdateHeight()
+{
+	const bool shouldShow = _panelExpanded && !_sectionCollapsed &&
+				IsExpandable();
+	if (shouldShow) {
+		AnimateTo(sizeHint().height());
+	} else {
+		AnimateTo(0);
+	}
+}
+
+void TempVarOutputMappingsWidget::UpdateVisibility()
+{
+	const bool expandable = IsExpandable();
+	emit ExpandableChanged(expandable);
+	UpdateHeight();
+}
+
+void TempVarOutputMappingsWidget::PopulateTempVarCombo(
+	FilterComboBox *combo) const
+{
+	if (!_segment) {
+		return;
+	}
+	for (const auto &var : _segment->GetOwnTempVars()) {
+		QVariant v;
+		v.setValue(var.GetRef());
+		combo->addItem(QString::fromStdString(var.Name()), v);
+	}
+}
+
 } // namespace advss

lib/utils/temp-variable.hpp

@@ -5,11 +5,12 @@
 #include <obs-data.h>
 #include <mutex>
 #include <optional>
-#include <QEnterEvent>
-#include <QEvent>
-#include <QStringList>
 #include <string>
 
+class QPropertyAnimation;
+class QPushButton;
+class QVBoxLayout;
+
 namespace advss {
 
 class Macro;
@@ -17,6 +18,9 @@ class MacroEdit;
 class MacroSegment;
 class TempVariableRef;
 class TempVariableSelection;
+class TempVarOutputMappingsWidget;
+class VariableSelection;
+struct VarMapping;
 
 // TempVariables are variables that are local to a given macro.
 // They can be created and used by macro segments.
@@ -127,4 +131,48 @@ private:
 void NotifyUIAboutTempVarChange(MacroSegment *);
 EXPORT void IncrementTempVarInUseGeneration();
 
+class ADVSS_EXPORT TempVarOutputMappingsWidget : public QWidget {
+	Q_OBJECT
+
+public:
+	TempVarOutputMappingsWidget(QWidget *parent);
+	void SetSegment(MacroSegment *segment);
+	void SetPanelExpanded(bool expanded);
+	void SetSectionCollapsed(bool collapsed);
+	bool IsExpandable() const;
+
+signals:
+	void ExpandableChanged(bool);
+
+private slots:
+	void Add();
+	void Remove(int rowIdx);
+	void SegmentTempVarsChanged(MacroSegment *segment);
+	void WriteBackMappings();
+	void AnimationFinished();
+
+private:
+	void Rebuild();
+	void UpdateVisibility();
+	void UpdateHeight();
+	void AnimateTo(int targetHeight);
+	void PopulateTempVarCombo(FilterComboBox *combo) const;
+
+	struct MappingRow {
+		QWidget *container;
+		FilterComboBox *tempVarCombo;
+		VariableSelection *varSelection;
+	};
+
+	MacroSegment *_segment = nullptr;
+	QVBoxLayout *_rowsLayout;
+	QPushButton *_addButton;
+	std::vector<MappingRow> _rows;
+	bool _loading = false;
+	bool _panelExpanded = false;
+	bool _sectionCollapsed = false;
+	int _animationTargetHeight = 0;
+	QPropertyAnimation *_animation;
+};
+
 } // namespace advss

plugins/base/macro-action-filter.cpp

@@ -11,10 +11,11 @@ const std::string MacroActionFilter::id = "filter";
 
 std::vector<TempVariableRef> MacroActionFilter::GetTempVarRefs() const
 {
-	if (!_tempVar.HasValidID()) {
-		return {};
+	auto refs = MacroSegment::GetTempVarRefs();
+	if (_tempVar.HasValidID()) {
+		refs.push_back(_tempVar);
 	}
-	return {_tempVar};
+	return refs;
 }
 
 bool MacroActionFilter::_registered = MacroActionFactory::Register(

plugins/base/macro-action-source.cpp

@@ -15,10 +15,11 @@ const std::string MacroActionSource::id = "source";
 
 std::vector<TempVariableRef> MacroActionSource::GetTempVarRefs() const
 {
-	if (!_tempVar.HasValidID()) {
-		return {};
+	auto refs = MacroSegment::GetTempVarRefs();
+	if (_tempVar.HasValidID()) {
+		refs.push_back(_tempVar);
 	}
-	return {_tempVar};
+	return refs;
 }
 
 bool MacroActionSource::_registered = MacroActionFactory::Register(