Add option to run "else" actions using the "Run macros" button

If there are else actions to run holding control and clicking the "Run
macros" button will allow you to test them.

src/utils/macro-run-button.cpp

@@ -0,0 +1,82 @@
+#include "macro-run-button.hpp"
+#include "macro-tree.hpp"
+#include "macro.hpp"
+#include "obs-module-helper.hpp"
+#include "utility.hpp"
+
+#include <QKeyEvent>
+
+namespace advss {
+
+MacroRunButton::MacroRunButton(QWidget *parent) : QPushButton(parent)
+{
+	if (window()) {
+		window()->installEventFilter(this);
+	}
+	QWidget::connect(this, SIGNAL(pressed()), this, SLOT(Pressed()));
+}
+
+void MacroRunButton::SetMacroTree(MacroTree *macros)
+{
+	_macros = macros;
+	QWidget::connect(macros, SIGNAL(MacroSelectionChanged()), this,
+			 SLOT(MacroSelectionChanged()));
+	QWidget::connect(&_timer, &QTimer::timeout, this,
+			 [this]() { MacroSelectionChanged(); });
+	_timer.start(1000);
+}
+
+void MacroRunButton::MacroSelectionChanged()
+{
+	auto macro = _macros->GetCurrentMacro();
+	if (!macro) {
+		_macroHasElseActions = false;
+		return;
+	}
+	_macroHasElseActions = macro->ElseActions().size() > 0;
+}
+
+bool MacroRunButton::eventFilter(QObject *obj, QEvent *event)
+{
+	if (!_macroHasElseActions) {
+		setText(obs_module_text("AdvSceneSwitcher.macroTab.run"));
+		_runElseActionsKeyHeld = false;
+		return QPushButton::eventFilter(obj, event);
+	}
+
+	if (event->type() == QEvent::KeyPress) {
+		QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+		if (keyEvent->key() == Qt::Key_Control) {
+			setText(obs_module_text(
+				"AdvSceneSwitcher.macroTab.runElse"));
+			_runElseActionsKeyHeld = true;
+		}
+	} else if (event->type() == QEvent::KeyRelease) {
+		QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+		if (keyEvent->key() == Qt::Key_Control) {
+			setText(obs_module_text(
+				"AdvSceneSwitcher.macroTab.run"));
+			_runElseActionsKeyHeld = false;
+		}
+	}
+	return QPushButton::eventFilter(obj, event);
+}
+
+void MacroRunButton::Pressed()
+{
+	auto macro = _macros->GetCurrentMacro();
+	if (!macro) {
+		return;
+	}
+
+	bool ret = _runElseActionsKeyHeld
+			   ? macro->PerformActions(false, true, true)
+			   : macro->PerformActions(true, true, true);
+	if (!ret) {
+		QString err =
+			obs_module_text("AdvSceneSwitcher.macroTab.runFail");
+		DisplayMessage(err.arg(QString::fromStdString(macro->Name())));
+	}
+}
+
+} // namespace advss