Calculadora: QLineEdit e o display

aula202-calculadora/display.py

@@ -0,0 +1,17 @@
+from PySide6.QtCore import Qt
+from PySide6.QtWidgets import QLineEdit
+from variables import BIG_FONT_SIZE, MINIMUM_WIDTH, TEXT_MARGIN
+
+
+class Display(QLineEdit):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.configStyle()
+
+    def configStyle(self):
+        margins = [TEXT_MARGIN for _ in range(4)]
+        self.setStyleSheet(f'font-size: {BIG_FONT_SIZE}px;')
+        self.setMinimumHeight(BIG_FONT_SIZE * 2)
+        self.setMinimumWidth(MINIMUM_WIDTH)
+        self.setAlignment(Qt.AlignmentFlag.AlignRight)
+        self.setTextMargins(*margins)