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main
widgets/switch_button.py
280 строк
10 KB
DornodeXXX
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23 дек 2025, 18:00
23 дек 2025, 18:00
79e9eb9
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from PyQt5 import QtWidgets, QtCore, QtGui import math def _gradient_145deg(rect, c1, c2): angle = math.radians(145) vx, vy = math.cos(angle), math.sin(angle) w, h = rect.width(), rect.height() cx, cy = rect.center().x(), rect.center().y() r = math.hypot(w, h) p1 = QtCore.QPointF(cx - vx * r, cy - vy * r) p2 = QtCore.QPointF(cx + vx * r, cy + vy * r) grad = QtGui.QLinearGradient(p1, p2) grad.setColorAt(0.0, c1) grad.setColorAt(1.0, c2) return grad class SwitchButton(QtWidgets.QWidget): clicked = QtCore.pyqtSignal(bool) def __init__(self, parent=None, padding=(5, 10, 5, 10)): super().__init__(parent) self._track_w, self._track_h = 76, 28 self._padding = padding full_width = self._track_w + self._padding[1] + self._padding[3] full_height = self._track_h + self._padding[0] + self._padding[2] self.setMinimumSize(full_width, full_height) self.setMaximumHeight(full_height) self.setSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed) self._checked = False self._dot_w_ratio = 50 / 86.0 self._dot_h_ratio = 32 / 38.0 self._dot_margin = 4 self._bg_mix = 0.0 self._dot_x = float(self._dot_margin + self._padding[3]) self._dot_scale = 1.0 self._filter_opacity = 0.0 self._specular_strength = 0.0 self._off_c1 = QtGui.QColor("#e4e4e6") self._off_c2 = QtGui.QColor("#d7d7db") self._on_c1 = QtGui.QColor("#3ccb60") self._on_c2 = QtGui.QColor("#42ba64") self.animGroup = QtCore.QParallelAnimationGroup(self) self.anim_bg = QtCore.QPropertyAnimation(self, b"bg_mix", self) self.anim_bg.setDuration(500) self.anim_bg.setEasingCurve(QtCore.QEasingCurve.InOutCubic) self.anim_dot_x = QtCore.QPropertyAnimation(self, b"dot_x", self) self.anim_dot_x.setDuration(500) self.anim_dot_x.setEasingCurve(QtCore.QEasingCurve.Linear) self.anim_dot_scale = QtCore.QPropertyAnimation(self, b"dot_scale", self) self.anim_dot_scale.setDuration(500) self.anim_dot_scale.setEasingCurve(QtCore.QEasingCurve.Linear) self.anim_filter = QtCore.QPropertyAnimation(self, b"filter_opacity", self) self.anim_filter.setDuration(500) self.anim_filter.setEasingCurve(QtCore.QEasingCurve.Linear) self.anim_specular = QtCore.QPropertyAnimation(self, b"specular_strength", self) self.anim_specular.setDuration(500) self.anim_specular.setEasingCurve(QtCore.QEasingCurve.Linear) self.animGroup.addAnimation(self.anim_bg) self.animGroup.addAnimation(self.anim_dot_x) self.animGroup.addAnimation(self.anim_dot_scale) self.animGroup.addAnimation(self.anim_filter) self.animGroup.addAnimation(self.anim_specular) self.setCursor(QtCore.Qt.PointingHandCursor) @QtCore.pyqtProperty(float) def bg_mix(self): return self._bg_mix @bg_mix.setter def bg_mix(self, v): self._bg_mix = max(0.0, min(1.0, v)) self.update() @QtCore.pyqtProperty(float) def dot_x(self): return self._dot_x @dot_x.setter def dot_x(self, v): self._dot_x = v self.update() @QtCore.pyqtProperty(float) def dot_scale(self): return self._dot_scale @dot_scale.setter def dot_scale(self, v): self._dot_scale = v self.update() @QtCore.pyqtProperty(float) def filter_opacity(self): return self._filter_opacity @filter_opacity.setter def filter_opacity(self, v): self._filter_opacity = max(0.0, min(1.0, v)) self.update() @QtCore.pyqtProperty(float) def specular_strength(self): return self._specular_strength @specular_strength.setter def specular_strength(self, v): self._specular_strength = max(0.0, min(1.0, v)) self.update() def isChecked(self): return self._checked def setChecked(self, state): state = bool(state) if self._checked == state: return self._checked = state self._start_animation(to_on=state) self.clicked.emit(self._checked) def setPadding(self, top: int, right: int, bottom: int, left: int): self._padding = (top, right, bottom, left) full_width = self._track_w + self._padding[1] + self._padding[3] full_height = self._track_h + self._padding[0] + self._padding[2] self.setMinimumSize(full_width, full_height) self.setMaximumHeight(full_height) self.updateGeometry() self.update() def mousePressEvent(self, event): if event.button() == QtCore.Qt.LeftButton: self.setChecked(not self._checked) def sizeHint(self): full_width = self._track_w + self._padding[1] + self._padding[3] full_height = self._track_h + self._padding[0] + self._padding[2] return QtCore.QSize(full_width, full_height) def paintEvent(self, _): p = QtGui.QPainter(self) p.setRenderHint(QtGui.QPainter.Antialiasing, True) track_w, track_h = self._track_w, self._track_h track_radius = track_h / 2.0 track_rect = QtCore.QRectF( self._padding[3], self._padding[0], track_w, track_h ) p.save() path = QtGui.QPainterPath() path.addRoundedRect(track_rect, track_radius, track_radius) p.setClipPath(path) grad_off = _gradient_145deg(track_rect, self._off_c1, self._off_c2) grad_on = _gradient_145deg(track_rect, self._on_c1, self._on_c2) p.setBrush(grad_off) p.setPen(QtCore.Qt.NoPen) p.drawRect(track_rect) if self._bg_mix > 0: p.setOpacity(self._bg_mix) p.setBrush(grad_on) p.drawRect(track_rect) p.restore() dot_w_base = self._dot_w_ratio * track_w dot_h_base = self._dot_h_ratio * track_h dot_radius_base = dot_h_base / 2.0 dot_y_base_offset = (track_h - dot_h_base) / 2.0 + self._padding[0] dx = self._dot_x cx_base = dx + dot_w_base / 2.0 cy_base = dot_y_base_offset + dot_h_base / 2.0 p.save() p.translate(cx_base, cy_base) p.scale(self._dot_scale, self._dot_scale) p.translate(-cx_base, -cy_base) dot_rect_draw = QtCore.QRectF(dx, dot_y_base_offset, dot_w_base, dot_h_base) base_alpha = 240 if self._filter_opacity > 0.0: base_alpha = 200 + int(40 * (1.0 - abs(self._filter_opacity - 0.8) / 0.8)) p.setPen(QtCore.Qt.NoPen) p.setBrush(QtGui.QColor(255, 255, 255, base_alpha)) p.drawRoundedRect(dot_rect_draw, dot_radius_base, dot_radius_base) if self._specular_strength > 0.0: grad_top = QtGui.QLinearGradient(dot_rect_draw.topLeft(), dot_rect_draw.bottomLeft()) s = self._specular_strength grad_top.setColorAt(0.0, QtGui.QColor(255, 255, 255, int(140 * s))) grad_top.setColorAt(0.4, QtGui.QColor(255, 255, 255, int(40 * s))) grad_top.setColorAt(1.0, QtGui.QColor(255, 255, 255, 0)) p.setBrush(grad_top) p.drawRoundedRect(dot_rect_draw.adjusted(1, 1, -1, -1), dot_radius_base - 1, dot_radius_base - 1) grad_bot = QtGui.QLinearGradient(dot_rect_draw.bottomLeft(), dot_rect_draw.topLeft()) grad_bot.setColorAt(0.0, QtGui.QColor(0, 0, 0, int(35 * s))) grad_bot.setColorAt(1.0, QtGui.QColor(0, 0, 0, 0)) p.setBrush(grad_bot) p.drawRoundedRect(dot_rect_draw.adjusted(1, 1, -1, -1), dot_radius_base - 1, dot_radius_base - 1) if self._filter_opacity > 0.0: p.setOpacity(self._filter_opacity * 0.6) rg = QtGui.QRadialGradient(cx_base, cy_base, dot_w_base * 0.7, cx_base, cy_base) rg.setColorAt(0.0, QtGui.QColor(255, 255, 255, 180)) rg.setColorAt(0.7, QtGui.QColor(255, 255, 255, 40)) rg.setColorAt(1.0, QtGui.QColor(255, 255, 255, 0)) p.setBrush(rg) p.setPen(QtCore.Qt.NoPen) p.drawRoundedRect(dot_rect_draw, dot_radius_base, dot_radius_base) p.restore() def _start_animation(self, to_on: bool): self.animGroup.stop() track_w = self._track_w dot_w_base = self._dot_w_ratio * track_w x_left = float(self._dot_margin + self._padding[3]) x_right = float(track_w - self._dot_margin - dot_w_base + self._padding[3]) self.anim_bg.setStartValue(self._bg_mix) self.anim_bg.setEndValue(1.0 if to_on else 0.0) self.anim_dot_x.setKeyValues({}) self.anim_dot_x.setStartValue(self._dot_x) if to_on: self.anim_dot_x.setKeyValueAt(0.12, self._dot_x) self.anim_dot_x.setKeyValueAt(0.50, x_right) self.anim_dot_x.setKeyValueAt(1.0, x_right) else: self.anim_dot_x.setKeyValueAt(0.12, self._dot_x) self.anim_dot_x.setKeyValueAt(0.50, x_left) self.anim_dot_x.setKeyValueAt(1.0, x_left) self.anim_dot_x.setEndValue(x_right if to_on else x_left) self.anim_dot_scale.setKeyValues({}) self.anim_dot_scale.setStartValue(self._dot_scale) self.anim_dot_scale.setKeyValueAt(0.12, 1.6) self.anim_dot_scale.setKeyValueAt(0.50, 1.6) self.anim_dot_scale.setEndValue(1.0) self.anim_filter.setKeyValues({}) self.anim_filter.setStartValue(self._filter_opacity) self.anim_filter.setKeyValueAt(0.12, 1.0) self.anim_filter.setKeyValueAt(0.80, 1.0) self.anim_filter.setEndValue(0.0) self.anim_specular.setKeyValues({}) self.anim_specular.setStartValue(self._specular_strength) self.anim_specular.setKeyValueAt(0.12, 1.0) self.anim_specular.setKeyValueAt(0.80, 1.0) self.anim_specular.setEndValue(0.0) self.animGroup.start()