Store truncated representation of doubles when used as variables

lib/utils/utility.cpp

@@ -7,6 +7,7 @@
 #include <QDateTime>
 #include <QFile>
 #include <QStandardPaths>
+#include <sstream>
 
 namespace advss {
 
@@ -77,6 +78,13 @@ bool CompareIgnoringLineEnding(QString &s1, QString &s2)
 	return true;
 }
 
+std::string ToString(double value)
+{
+	std::stringstream stream;
+	stream << value;
+	return stream.str();
+}
+
 std::string GetDataFilePath(const std::string &file)
 {
 	std::string root_path = obs_get_module_data_path(obs_current_module());

lib/utils/utility.hpp

@@ -21,6 +21,7 @@ bool ReplaceAll(std::string &str, const std::string &from,
 EXPORT std::optional<std::string> GetJsonField(const std::string &json,
 					       const std::string &id);
 EXPORT bool CompareIgnoringLineEnding(QString &s1, QString &s2);
+std::string ToString(double value);
 
 EXPORT std::string GetDataFilePath(const std::string &file);
 QString GetDefaultSettingsSaveLocation();

lib/variables/variable.cpp

@@ -1,6 +1,7 @@
 #include "variable.hpp"
 #include "math-helpers.hpp"
 #include "obs-module-helper.hpp"
+#include "utility.hpp"
 
 #include <QGridLayout>
 
@@ -78,7 +79,7 @@ void Variable::SetValue(const std::string &val)
 
 void Variable::SetValue(double value)
 {
-	_value = std::to_string(value);
+	_value = ToString(value);
 	_lastUsed = std::chrono::high_resolution_clock::now();
 	lastVariableChange = std::chrono::high_resolution_clock::now();
 }