51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
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# SPDX-FileCopyrightText: © 2022-2023 Wojciech Trybus <wojtryb@gmail.com>
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# SPDX-License-Identifier: GPL-3.0-or-later
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from typing import Callable
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from dataclasses import dataclass
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from PyQt5.QtCore import Qt
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from PyQt5.QtWidgets import (
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QDialogButtonBox,
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QAbstractButton,
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QVBoxLayout,
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)
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EmptyCallback = Callable[[], None]
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@dataclass
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class ButtonsLayout(QVBoxLayout):
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"""Dialog zone consisting of buttons for applying/rejecting the changes."""
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ok_callback: EmptyCallback = lambda: None
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apply_callback: EmptyCallback = lambda: None
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reset_callback: EmptyCallback = lambda: None
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cancel_callback: EmptyCallback = lambda: None
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def __post_init__(self) -> None:
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super().__init__()
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self._button_box = QDialogButtonBox(
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QDialogButtonBox.Ok |
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QDialogButtonBox.Apply |
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QDialogButtonBox.Reset |
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QDialogButtonBox.Cancel # type: ignore
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)
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self._button_box.clicked.connect(self._handle_buttons)
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self.addWidget(self._button_box)
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self.setAlignment(Qt.AlignBottom)
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def _handle_buttons(self, button: QAbstractButton) -> None:
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"""React to one of the buttons being pressed."""
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role = self._button_box.buttonRole(button)
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if role == QDialogButtonBox.AcceptRole:
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self.ok_callback()
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elif role == QDialogButtonBox.ApplyRole:
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self.apply_callback()
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elif role == QDialogButtonBox.ResetRole:
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self.reset_callback()
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elif role == QDialogButtonBox.RejectRole:
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self.cancel_callback()
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