56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
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# SPDX-License-Identifier: GPL-2.0-or-later
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from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QVBoxLayout, QLineEdit, QLabel
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from simpleeval import simple_eval
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from util import tr
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class AnyKeycodeDialog(QDialog):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.setWindowTitle(tr("AnyKeycodeDialog", "Enter an arbitrary keycode"))
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self.buttons = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
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self.buttons.accepted.connect(self.accept)
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self.buttons.rejected.connect(self.reject)
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self.lbl_computed = QLabel()
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self.txt_entry = QLineEdit()
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self.txt_entry.textChanged.connect(self.on_change)
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self.layout = QVBoxLayout()
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self.layout.addWidget(self.txt_entry)
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self.layout.addWidget(self.lbl_computed)
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self.layout.addWidget(self.buttons)
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self.setLayout(self.layout)
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self.value = -1
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self.on_change()
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def on_change(self):
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text = self.txt_entry.text()
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value = err = None
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try:
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value = simple_eval(text)
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except Exception as e:
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err = str(e)
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if not text:
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self.value = -1
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self.lbl_computed.setText(tr("AnyKeycodeDialog", "Enter an expression"))
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elif err:
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self.value = -1
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self.lbl_computed.setText(tr("AnyKeycodeDialog", "Invalid input: {}").format(err))
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elif isinstance(value, int):
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self.value = value
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self.lbl_computed.setText(tr("AnyKeycodeDialog", "Computed value: 0x{:X}").format(value))
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else:
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self.value = -1
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self.lbl_computed.setText(tr("AnyKeycodeDialog", "Invalid input"))
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self.buttons.button(QDialogButtonBox.Ok).setEnabled(self.value != -1)
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