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Calculadora: emitindo os números e ponto digitados no display

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This commit is contained in:
Luiz Otávio
2023-03-04 08:09:49 -03:00
parent eddd007df9
commit e6b23664d0
2 changed files with 15 additions and 4 deletions
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9
aula202-calculadora/buttons.py
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@@ -59,13 +59,18 @@ class ButtonsGrid(QGridLayout):
self._equation = value self._equation = value
self.info.setText(value) self.info.setText(value)
def vouApagarVocê(self): def vouApagarVocê(self, *args):
print('Signal recebido por "vouApagarVocê" em', type(self).__name__) print(
'Signal recebido por "vouApagarVocê" em',
type(self).__name__,
args,
)
def _makeGrid(self): def _makeGrid(self):
self.display.eqPressed.connect(self.vouApagarVocê) self.display.eqPressed.connect(self.vouApagarVocê)
self.display.delPressed.connect(self.display.backspace) self.display.delPressed.connect(self.display.backspace)
self.display.clearPressed.connect(self.vouApagarVocê) self.display.clearPressed.connect(self.vouApagarVocê)
self.display.inputPressed.connect(self.vouApagarVocê)
for rowNumber, rowData in enumerate(self._gridMask): for rowNumber, rowData in enumerate(self._gridMask):
for colNumber, buttonText in enumerate(rowData): for colNumber, buttonText in enumerate(rowData):

10
aula202-calculadora/display.py
View File

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