Add VariableSelectionDialog

data/locale/en-US.ini

@@ -1123,6 +1123,7 @@ AdvSceneSwitcher.variable.save="Save / load behavior"
 AdvSceneSwitcher.variable.save.dontSave="Don't save variable value"
 AdvSceneSwitcher.variable.save.save="Save variable value"
 AdvSceneSwitcher.variable.save.default="Set to value"
+AdvSceneSwitcher.variable.selectionDialog="Select variable:"
 
 AdvSceneSwitcher.tooltip.availableVariables="Variables are supported, use ${VarName} to retrieve the value of VarName"
 

lib/utils/item-selection-helpers.hpp

@@ -81,6 +81,7 @@ public:
 			"AdvSceneSwitcher.item.nameNotAvailable",
 		std::string_view configureTooltip = "", QWidget *parent = 0);
 	virtual ~ItemSelection() = default;
+	Item *GetCurrentItem();
 	void SetItem(const std::string &);
 	void ShowRenameContextMenu(bool value);
 
@@ -99,8 +100,6 @@ signals:
 	void ItemRenamed(const QString &oldName, const QString &name);
 
 private:
-	Item *GetCurrentItem();
-
 	FilterComboBox *_selection;
 	QPushButton *_modify;
 	CreateItemFunc _create;

lib/variables/variable.cpp

@@ -268,6 +268,53 @@ void VariableSelection::SetVariable(const std::weak_ptr<Variable> &variable_)
 	}
 }
 
+VariableSelectionDialog::VariableSelectionDialog(QWidget *parent)
+	: QDialog(parent),
+	  _variableSelection(new VariableSelection(this))
+{
+	setModal(true);
+	setWindowModality(Qt::WindowModality::ApplicationModal);
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+	setMinimumWidth(350);
+	setMinimumHeight(70);
+
+	auto buttonbox = new QDialogButtonBox(QDialogButtonBox::Ok |
+					      QDialogButtonBox::Cancel);
+
+	buttonbox->setCenterButtons(true);
+	connect(buttonbox, &QDialogButtonBox::accepted, this, &QDialog::accept);
+	connect(buttonbox, &QDialogButtonBox::rejected, this, &QDialog::reject);
+
+	auto selectionLayout = new QHBoxLayout();
+	selectionLayout->addWidget(new QLabel(
+		obs_module_text("AdvSceneSwitcher.variable.selectionDialog")));
+	selectionLayout->addWidget(_variableSelection);
+	selectionLayout->addStretch();
+	auto layout = new QVBoxLayout();
+	layout->addLayout(selectionLayout);
+	layout->addWidget(buttonbox);
+	setLayout(layout);
+}
+
+QWidget *GetSettingsWindow();
+
+bool VariableSelectionDialog::AskForVariable(QWidget *parent,
+					     std::string &varName)
+{
+	VariableSelectionDialog dialog(GetSettingsWindow());
+	dialog.setWindowTitle(obs_module_text("AdvSceneSwitcher.windowTitle"));
+
+	if (dialog.exec() != DialogCode::Accepted) {
+		return false;
+	}
+	auto item = dialog._variableSelection->GetCurrentItem();
+	if (!item) {
+		return false;
+	}
+	varName = item->Name();
+	return true;
+}
+
 VariableSignalManager::VariableSignalManager(QObject *parent) : QObject(parent)
 {
 }

lib/variables/variable.hpp

@@ -82,6 +82,17 @@ public:
 	void SetVariable(const std::weak_ptr<Variable> &);
 };
 
+class VariableSelectionDialog : public QDialog {
+	Q_OBJECT
+
+public:
+	VariableSelectionDialog(QWidget *parent);
+	static bool AskForVariable(QWidget *parent, std::string &variableName);
+
+private:
+	VariableSelection *_variableSelection;
+};
+
 class ADVSS_EXPORT VariableSignalManager : public QObject {
 	Q_OBJECT
 public:

tests/mocks/ui-helpers.cpp

@@ -35,4 +35,9 @@ std::string GetThemeTypeName()
 
 void QeueUITask(void (*task)(void *param), void *) {}
 
+QWidget *GetSettingsWindow()
+{
+	return nullptr;
+}
+
 } // namespace advss