From 0a1634bedf17f7b27a3781d8e5ac6bafb20cd546 Mon Sep 17 00:00:00 2001
From: Jordan Woyak <jordan.woyak@gmail.com>
Date: Sat, 18 Jan 2020 11:19:32 -0600
Subject: InputCommon: Allow Wii remote extension to be set with an input
 expression.

---
 .../ControllerEmu/Setting/NumericSetting.cpp       | 32 ++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'Source/Core/InputCommon/ControllerEmu/Setting/NumericSetting.cpp')

diff --git a/Source/Core/InputCommon/ControllerEmu/Setting/NumericSetting.cpp b/Source/Core/InputCommon/ControllerEmu/Setting/NumericSetting.cpp
index 3459040824..ab45b64595 100644
--- a/Source/Core/InputCommon/ControllerEmu/Setting/NumericSetting.cpp
+++ b/Source/Core/InputCommon/ControllerEmu/Setting/NumericSetting.cpp
@@ -4,6 +4,8 @@
 
 #include "InputCommon/ControllerEmu/Setting/NumericSetting.h"
 
+#include <sstream>
+
 namespace ControllerEmu
 {
 NumericSettingBase::NumericSettingBase(const NumericSettingDetails& details) : m_details(details)
@@ -25,6 +27,36 @@ const char* NumericSettingBase::GetUIDescription() const
   return m_details.ui_description;
 }
 
+template <>
+void NumericSetting<int>::SetExpressionFromValue()
+{
+  m_value.m_input.SetExpression(ValueToString(GetValue()));
+}
+
+template <>
+void NumericSetting<double>::SetExpressionFromValue()
+{
+  // We must use a dot decimal separator for expression parser.
+  std::ostringstream ss;
+  ss.imbue(std::locale::classic());
+  ss << GetValue();
+
+  m_value.m_input.SetExpression(ss.str());
+}
+
+template <>
+void NumericSetting<bool>::SetExpressionFromValue()
+{
+  // Cast bool to prevent "true"/"false" strings.
+  m_value.m_input.SetExpression(ValueToString(int(GetValue())));
+}
+
+template <>
+SettingType NumericSetting<int>::GetType() const
+{
+  return SettingType::Int;
+}
+
 template <>
 SettingType NumericSetting<double>::GetType() const
 {
-- 
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