54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
from PySide6.QtCore import Qt, Signal
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from PySide6.QtGui import QKeyEvent
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from PySide6.QtWidgets import QLineEdit
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from utils import isEmpty
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from variables import BIG_FONT_SIZE, MINIMUM_WIDTH, TEXT_MARGIN
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class Display(QLineEdit):
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eqPressed = Signal()
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delPressed = Signal()
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clearPressed = Signal()
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.configStyle()
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def configStyle(self):
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margins = [TEXT_MARGIN for _ in range(4)]
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self.setStyleSheet(f'font-size: {BIG_FONT_SIZE}px;')
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self.setMinimumHeight(BIG_FONT_SIZE * 2)
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self.setMinimumWidth(MINIMUM_WIDTH)
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self.setAlignment(Qt.AlignmentFlag.AlignRight)
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self.setTextMargins(*margins)
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def keyPressEvent(self, event: QKeyEvent) -> None:
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text = event.text().strip()
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key = event.key()
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KEYS = Qt.Key
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isEnter = key in [KEYS.Key_Enter, KEYS.Key_Return]
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isDelete = key in [KEYS.Key_Backspace, KEYS.Key_Delete]
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isEsc = key in [KEYS.Key_Escape]
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if isEnter:
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print('Enter pressionado, sinal emitido', type(self).__name__)
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self.eqPressed.emit()
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return event.ignore()
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if isDelete:
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print('isDelete pressionado, sinal emitido', type(self).__name__)
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self.delPressed.emit()
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return event.ignore()
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if isEsc:
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print('isEsc pressionado, sinal emitido', type(self).__name__)
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self.clearPressed.emit()
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return event.ignore()
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# Não passar daqui se não tiver texto
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if isEmpty(text):
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return event.ignore()
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print('Texto', text)
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