def __init__(self, title, message, parent=None):
super(Toast, self).__init__(parent)
self.setupUi()
self.initWidgets()
self.timer = QtCore.QTimer(parent)
self.titleLabel.setText(title)
self.messageLabel.setText(message)
self.setFrameShape(QtWidgets.QFrame.StyledPanel)
self.setFrameShadow(QtWidgets.QFrame.Plain)
eff = QtWidgets.QGraphicsOpacityEffect(self)
self.setGraphicsEffect(eff)
self.showAnim = QtCore.QPropertyAnimation(eff, b'opacity', parent)
self.showAnim.setDuration(Toast.settings.get('fadeInTime'))
self.showAnim.setStartValue(0)
self.showAnim.setEndValue(1)
self.showAnim.setEasingCurve(
QtCore.QEasingCurve(
QtCore.QEasingCurve.Type(
Toast.settings.get('showAnimationType'))))
self.hideAnim = QtCore.QPropertyAnimation(eff, b'opacity', parent)
self.hideAnim.setDuration(Toast.settings.get('fadeOutTime'))
self.hideAnim.setStartValue(1)
self.hideAnim.setEndValue(0)
self.hideAnim.setEasingCurve(
QtCore.QEasingCurve(
QtCore.QEasingCurve.Type(
Toast.settings.get('hideAnimationType'))))
self.initSignalsAndSlot()
def _animateExpand(self, value):
opacity_anim = QtCore.QPropertyAnimation(self.main_widget_proxy, "opacity")
opacity_anim.setStartValue(not(value));
opacity_anim.setEndValue(value)
opacity_anim.setDuration(200)
opacity_anim_curve = QtCore.QEasingCurve()
if value is True:
opacity_anim_curve.setType(QtCore.QEasingCurve.InQuad)
else:
opacity_anim_curve.setType(QtCore.QEasingCurve.OutQuad)
opacity_anim.setEasingCurve(opacity_anim_curve)
size_anim = QtCore.QPropertyAnimation(self, "geometry")
geometry = self.geometry()
width = geometry.width()
x, y, _, _ = geometry.getCoords()
size_start = QtCore.QRect(x, y, width, int(not(value)) * 150)
size_end = QtCore.QRect(x, y, width, value * 150)
size_anim.setStartValue(size_start)
size_anim.setEndValue(size_end)
size_anim.setDuration(300)
size_anim_curve = QtCore.QEasingCurve()
if value:
size_anim_curve.setType(QtCore.QEasingCurve.InQuad)
else:
size_anim_curve.setType(QtCore.QEasingCurve.OutQuad)
size_anim.setEasingCurve(size_anim_curve)
self._animation = QtCore.QSequentialAnimationGroup()
if value:
self.main_widget_proxy.setOpacity(0)
self._animation.addAnimation(size_anim)
self._animation.addAnimation(opacity_anim)
else:
self.main_widget_proxy.setOpacity(1)
self._animation.addAnimation(opacity_anim)
self._animation.addAnimation(size_anim)
size_anim.valueChanged.connect(self._forceResize)
self._animation.finished.connect(self._animation.clear)
if not value:
self._animation.finished.connect(self.deleteWidget)
self._animation.start(QtCore.QAbstractAnimation.DeleteWhenStopped)
def _animate_expand(self, value):
# opacity_anim = QtCore.QPropertyAnimation(self.main_widget_proxy,
# 'opacity')
# opacity_anim.setStartValue(not(value))
# opacity_anim.setEndValue(value)
# opacity_anim.setDuration(200)
# opacity_anim_curve = QtCore.QEasingCurve()
"""if value:
opacity_anim_curve.setType(QtCore.QEasingCurve.InQuad)
else:
opacity_anim_curve.setType(QtCore.QEasingCurve.OutQuad)
opacity_anim.setEasingCurve(opacity_anim_curve)
"""
size_anim = QtCore.QPropertyAnimation(self, 'geometry')
geometry = self.geometry()
width = geometry.width()
x, y, _, _ = geometry.getCoords() # _ variables accept info then dump
size_start = QtCore.QRect(x, y, width, int(not (value) * 150))
size_end = QtCore.QRect(x, y, width, int(value) * 150)
size_anim.setStartValue(size_start)
size_anim.setEndValue(size_end)
size_anim.setDuration(300)
size_anim_curve = QtCore.QEasingCurve()
if value:
size_anim_curve.setType(QtCore.QEasingCurve.InQuad)
else:
size_anim_curve.setType(QtCore.QEasingCurve.OutQuad)
size_anim.setEasingCurve(size_anim_curve)
self._animation = size_anim
"""
if value:
self.main_widget_proxy.setOpacity(0)
self._animation.addAnimation(size_anim)
self._animation.addAnimation(opacity_anim)
else:
self.main_widget_proxy.setOpacity(1)
self._animation.addAnimation(opacity_anim)
self._animation.addAnimation(size_anim)
# self._animation.finished.connect(self._animation.clear)
"""
size_anim.valueChanged.connect(self._force_resize)
if not value:
size_anim.finished.connect(self.delete_widget)
size_anim.start(QtCore.QAbstractAnimation.DeleteWhenStopped)
def __init__(self, parent=None):
super(Window, self).__init__(parent)
self.m_iconSize = QtCore.QSize(64, 64)
self.m_scene = QtWidgets.QGraphicsScene()
m_ui = Ui_Form()
m_ui.setupUi(self)
m_ui.easingCurvePicker.setIconSize(self.m_iconSize)
m_ui.easingCurvePicker.setMinimumHeight(self.m_iconSize.height() + 50)
m_ui.buttonGroup.setId(m_ui.lineRadio, 0)
m_ui.buttonGroup.setId(m_ui.circleRadio, 1)
dummy = QtCore.QEasingCurve()
m_ui.periodSpinBox.setValue(dummy.period())
m_ui.amplitudeSpinBox.setValue(dummy.amplitude())
m_ui.overshootSpinBox.setValue(dummy.overshoot())
m_ui.easingCurvePicker.currentRowChanged.connect(self.curveChanged)
m_ui.buttonGroup.buttonClicked[int].connect(self.pathChanged)
m_ui.periodSpinBox.valueChanged.connect(self.periodChanged)
m_ui.amplitudeSpinBox.valueChanged.connect(self.amplitudeChanged)
m_ui.overshootSpinBox.valueChanged.connect(self.overshootChanged)
self.m_ui = m_ui
self.createCurveIcons()
pix = QtGui.QPixmap(':/images/qt-logo.png')
self.m_item = Pixmap(pix)
self.m_scene.addItem(self.m_item.pixmap_item)
self.m_ui.graphicsView.setScene(self.m_scene)
self.m_anim = Animation(self.m_item, 'pos')
self.m_anim.setEasingCurve(QtCore.QEasingCurve.OutBounce)
self.m_ui.easingCurvePicker.setCurrentRow(
int(QtCore.QEasingCurve.OutBounce))
self.startAnimation()
def createCurveIcons(self):
pix = QtGui.QPixmap(self.m_iconSize)
painter = QtGui.QPainter()
gradient = QtGui.QLinearGradient(0, 0, 0, self.m_iconSize.height())
gradient.setColorAt(0.0, QtGui.QColor(240, 240, 240))
gradient.setColorAt(1.0, QtGui.QColor(224, 224, 224))
brush = QtGui.QBrush(gradient)
# The original C++ code uses undocumented calls to get the names of the
# different curve types. We do the Python equivalant (but without
# cheating)
curve_types = [(n, c) for n, c in QtCore.QEasingCurve.__dict__.items()
if isinstance(c, QtCore.QEasingCurve.Type) \
and c != QtCore.QEasingCurve.Custom \
and c != QtCore.QEasingCurve.NCurveTypes \
and c != QtCore.QEasingCurve.TCBSpline]
curve_types.sort(key=lambda ct: ct[1])
painter.begin(pix)
for curve_name, curve_type in curve_types:
painter.fillRect(
QtCore.QRect(QtCore.QPoint(0, 0), self.m_iconSize), brush)
curve = QtCore.QEasingCurve(curve_type)
painter.setPen(QtGui.QColor(0, 0, 255, 64))
xAxis = self.m_iconSize.height() / 1.5
yAxis = self.m_iconSize.width() / 3.0
painter.drawLine(0, xAxis, self.m_iconSize.width(), xAxis)
painter.drawLine(yAxis, 0, yAxis, self.m_iconSize.height())
curveScale = self.m_iconSize.height() / 2.0
painter.setPen(QtCore.Qt.NoPen)
# Start point.
painter.setBrush(QtCore.Qt.red)
start = QtCore.QPoint(
yAxis, xAxis - curveScale * curve.valueForProgress(0))
painter.drawRect(start.x() - 1, start.y() - 1, 3, 3)
# End point.
painter.setBrush(QtCore.Qt.blue)
end = QtCore.QPoint(yAxis + curveScale,
xAxis - curveScale * curve.valueForProgress(1))
painter.drawRect(end.x() - 1, end.y() - 1, 3, 3)
curvePath = QtGui.QPainterPath()
curvePath.moveTo(QtCore.QPointF(start))
t = 0.0
while t <= 1.0:
to = QtCore.QPointF(
yAxis + curveScale * t,
xAxis - curveScale * curve.valueForProgress(t))
curvePath.lineTo(to)
t += 1.0 / curveScale
painter.setRenderHint(QtGui.QPainter.Antialiasing, True)
painter.strokePath(curvePath, QtGui.QColor(32, 32, 32))
painter.setRenderHint(QtGui.QPainter.Antialiasing, False)
item = QtWidgets.QListWidgetItem()
item.setIcon(QtGui.QIcon(pix))
item.setText(curve_name)
self.m_ui.easingCurvePicker.addItem(item)
painter.end()
