From 3e1e8d01b6351cceead67f9cf1dfcc2db2f96a7e Mon Sep 17 00:00:00 2001
From: WarmUpTill <WarmUpTill@web.de>
Date: Mon, 3 Oct 2022 11:29:43 +0200
Subject: [PATCH] Add option to check for value change

---
 data/locale/en-US.ini                       |  1 +
 src/macro-core/macro-condition-variable.cpp | 18 ++++++++++++++++++
 src/macro-core/macro-condition-variable.hpp |  4 ++++
 3 files changed, 23 insertions(+)

diff --git a/data/locale/en-US.ini b/data/locale/en-US.ini
index d2cf2eff..572066df 100644
--- a/data/locale/en-US.ini
+++ b/data/locale/en-US.ini
@@ -350,6 +350,7 @@ AdvSceneSwitcher.condition.variable.type.empty="is empty"
 AdvSceneSwitcher.condition.variable.type.number="is a number"
 AdvSceneSwitcher.condition.variable.type.lessThan="is less than"
 AdvSceneSwitcher.condition.variable.type.greaterThan="is greater than"
+AdvSceneSwitcher.condition.variable.type.valueChanged="value changed"
 AdvSceneSwitcher.condition.variable.regex="Use regular expressions"
 AdvSceneSwitcher.condition.variable.entry="{{variables}}{{conditions}}{{strValue}}{{numValue}}"
 
diff --git a/src/macro-core/macro-condition-variable.cpp b/src/macro-core/macro-condition-variable.cpp
index 38feef4d..3076989e 100644
--- a/src/macro-core/macro-condition-variable.cpp
+++ b/src/macro-core/macro-condition-variable.cpp
@@ -24,6 +24,8 @@ const static std::map<MacroConditionVariable::Type, std::string>
 		 "AdvSceneSwitcher.condition.variable.type.lessThan"},
 		{MacroConditionVariable::Type::GREATER_THAN,
 		 "AdvSceneSwitcher.condition.variable.type.greaterThan"},
+		{MacroConditionVariable::Type::VALUE_CHANGED,
+		 "AdvSceneSwitcher.condition.variable.type.valueChanged"},
 };
 
 static bool isNumber(const Variable &var)
@@ -59,6 +61,15 @@ bool MacroConditionVariable::Compare(const Variable &var) const
 	}
 }
 
+bool MacroConditionVariable::ValueChanged(const Variable &var)
+{
+	bool changed = var.Value() != _lastValue;
+	if (changed) {
+		_lastValue = var.Value();
+	}
+	return changed;
+}
+
 bool MacroConditionVariable::CheckCondition()
 {
 	auto var = GetVariableByName(_variableName);
@@ -77,6 +88,8 @@ bool MacroConditionVariable::CheckCondition()
 		return compareNumber(*var, _numValue, true);
 	case MacroConditionVariable::Type::GREATER_THAN:
 		return compareNumber(*var, _numValue, false);
+	case MacroConditionVariable::Type::VALUE_CHANGED:
+		return ValueChanged(*var);
 	}
 
 	return false;
@@ -258,6 +271,11 @@ void MacroConditionVariableEdit::SetWidgetVisibility()
 		_strValue->hide();
 		_numValue->show();
 		break;
+	case MacroConditionVariable::Type::VALUE_CHANGED:
+		_regex->hide();
+		_strValue->hide();
+		_numValue->hide();
+		break;
 	}
 
 	adjustSize();
diff --git a/src/macro-core/macro-condition-variable.hpp b/src/macro-core/macro-condition-variable.hpp
index c85ce893..3ec4f41f 100644
--- a/src/macro-core/macro-condition-variable.hpp
+++ b/src/macro-core/macro-condition-variable.hpp
@@ -26,6 +26,7 @@ public:
 		IS_NUMBER,
 		LESS_THAN,
 		GREATER_THAN,
+		VALUE_CHANGED,
 		//...
 	};
 
@@ -37,6 +38,9 @@ public:
 
 private:
 	bool Compare(const Variable &) const;
+	bool ValueChanged(const Variable &);
+
+	std::string _lastValue = "";
 
 	static bool _registered;
 	static const std::string id;