From 1b028cb86f2a68814b5cb204a34512821299d5b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luiz=20Ot=C3=A1vio?= <luizomf@gmail.com>
Date: Fri, 3 Mar 2023 08:21:57 -0300
Subject: [PATCH] =?UTF-8?q?Calculadora:=20configurando=20a=20potencia?=
 =?UTF-8?q?=C3=A7=C3=A3o=20com=20math.pow?=
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---
 aula202-calculadora/buttons.py | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/aula202-calculadora/buttons.py b/aula202-calculadora/buttons.py
index 447447d..aa2ed9e 100644
--- a/aula202-calculadora/buttons.py
+++ b/aula202-calculadora/buttons.py
@@ -1,3 +1,4 @@
+import math
 from typing import TYPE_CHECKING
 
 from PySide6.QtCore import Slot
@@ -77,7 +78,7 @@ class ButtonsGrid(QGridLayout):
         if text == 'C':
             self._connectButtonClicked(button, self._clear)
 
-        if text in '+-/*':
+        if text in '+-/*^':
             self._connectButtonClicked(
                 button,
                 self._makeSlot(self._operatorClicked, button)
@@ -136,14 +137,22 @@ class ButtonsGrid(QGridLayout):
 
         self._right = float(displayText)
         self.equation = f'{self._left} {self._op} {self._right}'
-        result = 0.0
+        result = 'error'
 
         try:
-            result = eval(self.equation)
+            if '^' in self.equation and isinstance(self._left, float):
+                result = math.pow(self._left, self._right)
+            else:
+                result = eval(self.equation)
         except ZeroDivisionError:
             print('Zero Division Error')
+        except OverflowError:
+            print('Número muito grande')
 
         self.display.clear()
         self.info.setText(f'{self.equation} = {result}')
         self._left = result
         self._right = None
+
+        if result == 'error':
+            self._left = None