a7812dedc0
The enum changes should work on PyQt 5.x, and are required in PyQt 6.x. They are not supported by the PyQt5 typings however, so we need to run our tests with PyQt6.
140 lines
4.8 KiB
Python
140 lines
4.8 KiB
Python
# Copyright: Ankitects Pty Ltd and contributors
|
|
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
|
from typing import cast
|
|
|
|
from aqt import colors
|
|
from aqt.qt import *
|
|
from aqt.theme import theme_manager
|
|
|
|
|
|
class Switch(QAbstractButton):
|
|
"""A horizontal slider to toggle between two states which can be denoted by short strings.
|
|
|
|
The left state is the default and corresponds to isChecked()=False.
|
|
The suppoorted slots are toggle(), for an animated transition, and setChecked().
|
|
"""
|
|
|
|
_margin: int = 2
|
|
|
|
def __init__(
|
|
self,
|
|
radius: int = 10,
|
|
left_label: str = "",
|
|
right_label: str = "",
|
|
left_color: tuple[str, str] = colors.FLAG4_BG,
|
|
right_color: tuple[str, str] = colors.FLAG3_BG,
|
|
parent: QWidget = None,
|
|
) -> None:
|
|
super().__init__(parent=parent)
|
|
self.setCheckable(True)
|
|
super().setChecked(False)
|
|
self.setSizePolicy(QSizePolicy.Policy.Fixed, QSizePolicy.Policy.Fixed)
|
|
self._left_label = left_label
|
|
self._right_label = right_label
|
|
self._left_color = left_color
|
|
self._right_color = right_color
|
|
self._path_radius = radius - self._margin
|
|
self._knob_radius = self._left_position = self._position = radius
|
|
self._right_position = 3 * self._path_radius + self._margin
|
|
|
|
@pyqtProperty(int) # type: ignore
|
|
def position(self) -> int:
|
|
return self._position
|
|
|
|
@position.setter # type: ignore
|
|
def position(self, position: int) -> None:
|
|
self._position = position
|
|
self.update()
|
|
|
|
@property
|
|
def start_position(self) -> int:
|
|
return self._left_position if self.isChecked() else self._right_position
|
|
|
|
@property
|
|
def end_position(self) -> int:
|
|
return self._right_position if self.isChecked() else self._left_position
|
|
|
|
@property
|
|
def label(self) -> str:
|
|
return self._right_label if self.isChecked() else self._left_label
|
|
|
|
@property
|
|
def path_color(self) -> QColor:
|
|
color = self._right_color if self.isChecked() else self._left_color
|
|
return theme_manager.qcolor(color)
|
|
|
|
def sizeHint(self) -> QSize:
|
|
return QSize(
|
|
4 * self._path_radius + 2 * self._margin,
|
|
2 * self._path_radius + 2 * self._margin,
|
|
)
|
|
|
|
def setChecked(self, checked: bool) -> None:
|
|
super().setChecked(checked)
|
|
self._position = self.end_position
|
|
self.update()
|
|
|
|
def paintEvent(self, _event: QPaintEvent) -> None:
|
|
painter = QPainter(self)
|
|
painter.setRenderHint(QPainter.RenderHint.Antialiasing, True)
|
|
painter.setPen(Qt.PenStyle.NoPen)
|
|
self._paint_path(painter)
|
|
self._paint_knob(painter)
|
|
self._paint_label(painter)
|
|
|
|
def _paint_path(self, painter: QPainter) -> None:
|
|
painter.setBrush(QBrush(self.path_color))
|
|
rectangle = QRectF(
|
|
self._margin,
|
|
self._margin,
|
|
self.width() - 2 * self._margin,
|
|
self.height() - 2 * self._margin,
|
|
)
|
|
painter.drawRoundedRect(rectangle, self._path_radius, self._path_radius)
|
|
|
|
def _current_knob_rectangle(self) -> QRectF:
|
|
return QRectF(
|
|
self.position - self._knob_radius, # type: ignore
|
|
0,
|
|
2 * self._knob_radius,
|
|
2 * self._knob_radius,
|
|
)
|
|
|
|
def _paint_knob(self, painter: QPainter) -> None:
|
|
if theme_manager.night_mode:
|
|
color = QColor(theme_manager.DARK_MODE_BUTTON_BG_MIDPOINT)
|
|
else:
|
|
color = theme_manager.qcolor(colors.FRAME_BG)
|
|
painter.setBrush(QBrush(color))
|
|
painter.drawEllipse(self._current_knob_rectangle())
|
|
|
|
def _paint_label(self, painter: QPainter) -> None:
|
|
painter.setPen(theme_manager.qcolor(colors.SLIGHTLY_GREY_TEXT))
|
|
font = painter.font()
|
|
font.setPixelSize(int(1.2 * self._knob_radius))
|
|
painter.setFont(font)
|
|
painter.drawText(
|
|
self._current_knob_rectangle(), Qt.AlignmentFlag.AlignCenter, self.label
|
|
)
|
|
|
|
def mouseReleaseEvent(self, event: QMouseEvent) -> None:
|
|
super().mouseReleaseEvent(event)
|
|
if event.button() == Qt.MouseButton.LeftButton:
|
|
self._animate_toggle()
|
|
|
|
def enterEvent(self, event: QEnterEvent) -> None:
|
|
self.setCursor(Qt.CursorShape.PointingHandCursor)
|
|
super().enterEvent(event)
|
|
|
|
def toggle(self) -> None:
|
|
super().toggle()
|
|
self._animate_toggle()
|
|
|
|
def _animate_toggle(self) -> None:
|
|
animation = QPropertyAnimation(self, cast(QByteArray, b"position"), self)
|
|
animation.setDuration(100)
|
|
animation.setStartValue(self.start_position)
|
|
animation.setEndValue(self.end_position)
|
|
# make triggered events execute first so the animation runs smoothly afterwards
|
|
QTimer.singleShot(50, animation.start)
|