Calculadora: emitindo os números e ponto digitados no display

aula202-calculadora/display.py

@@ -1,7 +1,7 @@
 from PySide6.QtCore import Qt, Signal
 from PySide6.QtGui import QKeyEvent
 from PySide6.QtWidgets import QLineEdit
-from utils import isEmpty
+from utils import isEmpty, isNumOrDot
 from variables import BIG_FONT_SIZE, MINIMUM_WIDTH, TEXT_MARGIN
 
 
@@ -9,6 +9,7 @@ class Display(QLineEdit):
     eqPressed = Signal()
     delPressed = Signal()
     clearPressed = Signal()
+    inputPressed = Signal(str)
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -51,4 +52,9 @@ class Display(QLineEdit):
         if isEmpty(text):
             return event.ignore()
 
-        print('Texto', text)
+        if isNumOrDot(text):
+            print(
+                'inputPressed pressionado, sinal emitido', type(self).__name__
+            )
+            self.inputPressed.emit(text)
+            return event.ignore()