From 43f70f9f79da59656f2f10b56503ffba5dfa9293 Mon Sep 17 00:00:00 2001
From: ysCha <yscha@interplug.co.kr>
Date: Mon, 24 Nov 2025 14:03:10 +0900
Subject: [PATCH] =?UTF-8?q?=EC=86=8C=EC=88=98=EC=A0=90=EC=9D=B4=ED=95=98?=
 =?UTF-8?q?=202=EC=9E=90=EB=A6=AC=20=EC=B6=94=EA=B0=80?=
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---
 src/components/common/input/CalcInput.jsx | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/components/common/input/CalcInput.jsx b/src/components/common/input/CalcInput.jsx
index 32323560..17af010e 100644
--- a/src/components/common/input/CalcInput.jsx
+++ b/src/components/common/input/CalcInput.jsx
@@ -48,14 +48,23 @@ export const CalculatorInput = forwardRef(
       const calculator = calculatorRef.current
       let newDisplayValue = ''
 
+      // 소수점 이하 2자리 제한 로직 추가
+      const shouldPreventInput = (value) => {
+        const decimalParts = (value || '').split('.')
+        return decimalParts.length > 1 && decimalParts[1].length >= 2
+      }
+
       if (hasOperation) {
         // 연산자 이후 숫자 입력 시
         if (calculator.currentOperand === '0' || calculator.shouldResetDisplay) {
           calculator.currentOperand = num.toString()
           calculator.shouldResetDisplay = false
-        } else {
+        }else if (!shouldPreventInput(calculator.currentOperand)) { //소수점 이하2자리
           calculator.currentOperand = (calculator.currentOperand || '') + num
         }
+        // else {
+        //   calculator.currentOperand = (calculator.currentOperand || '') + num
+        // }
         newDisplayValue = calculator.previousOperand + calculator.operation + calculator.currentOperand
         setDisplayValue(newDisplayValue)
       } else {
@@ -68,7 +77,7 @@ export const CalculatorInput = forwardRef(
           if (!hasOperation) {
             onChange(calculator.currentOperand)
           }
-        } else {
+        } else if (!shouldPreventInput(calculator.currentOperand)) { //소수점 이하2자리
           calculator.currentOperand = (calculator.currentOperand || '') + num
           newDisplayValue = calculator.currentOperand
           setDisplayValue(newDisplayValue)
@@ -76,6 +85,14 @@ export const CalculatorInput = forwardRef(
             onChange(newDisplayValue)
           }
         }
+        // else {
+        //   calculator.currentOperand = (calculator.currentOperand || '') + num
+        //   newDisplayValue = calculator.currentOperand
+        //   setDisplayValue(newDisplayValue)
+        //   if (!hasOperation) {
+        //     onChange(newDisplayValue)
+        //   }
+        // }
       }
 
       // 커서를 텍스트 끝으로 이동하고 스크롤 처리