class ThrobbingButton(QToolButton):
@pyqtProperty(int)
def icon_size(self):
return self._icon_size
@icon_size.setter
def icon_size(self, value):
self._icon_size = value
def __init__(self, *args):
QToolButton.__init__(self, *args)
# vertically size policy must be expanding for it to align inside a
# toolbar
self.setSizePolicy(QSizePolicy.Policy.Preferred, QSizePolicy.Policy.Expanding)
self._icon_size = -1
QToolButton.setIcon(self, QIcon(I('donate.png')))
self.setText('\xa0')
self.animation = QPropertyAnimation(self, b'icon_size', self)
self.animation.setDuration(int(60/72.*1000))
self.animation.setLoopCount(4)
self.animation.valueChanged.connect(self.value_changed)
self.setCursor(Qt.CursorShape.PointingHandCursor)
self.animation.finished.connect(self.animation_finished)
def animation_finished(self):
self.icon_size = self.iconSize().width()
def enterEvent(self, ev):
self.start_animation()
def leaveEvent(self, ev):
self.stop_animation()
def value_changed(self, val):
self.update()
def start_animation(self):
if config['disable_animations']:
return
if self.animation.state() != QAbstractAnimation.State.Stopped or not self.isVisible():
return
size = self.iconSize().width()
smaller = int(0.7 * size)
self.animation.setStartValue(smaller)
self.animation.setEndValue(size)
QMetaObject.invokeMethod(self.animation, 'start', Qt.ConnectionType.QueuedConnection)
def stop_animation(self):
self.animation.stop()
self.animation_finished()
def paintEvent(self, ev):
size = self._icon_size if self._icon_size > 10 else self.iconSize().width()
p = QPainter(self)
opt = QStyleOptionToolButton()
self.initStyleOption(opt)
s = self.style()
opt.iconSize = QSize(size, size)
s.drawComplexControl(QStyle.ComplexControl.CC_ToolButton, opt, p, self)
class Pointer(QWidget):
def __init__(self, gui):
QWidget.__init__(self, gui)
self.setObjectName('jobs_pointer')
self.setVisible(False)
self.resize(100, 80)
self.animation = QPropertyAnimation(self, b"geometry", self)
self.animation.setDuration(750)
self.animation.setLoopCount(2)
self.animation.setEasingCurve(QEasingCurve.Type.Linear)
self.animation.finished.connect(self.hide)
taily, heady = 0, 55
self.arrow_path = QPainterPath(QPointF(40, taily))
self.arrow_path.lineTo(40, heady)
self.arrow_path.lineTo(20, heady)
self.arrow_path.lineTo(50, self.height())
self.arrow_path.lineTo(80, heady)
self.arrow_path.lineTo(60, heady)
self.arrow_path.lineTo(60, taily)
self.arrow_path.closeSubpath()
c = self.palette().color(QPalette.ColorGroup.Active,
QPalette.ColorRole.WindowText)
self.color = QColor(c)
self.color.setAlpha(100)
self.brush = QBrush(self.color, Qt.BrushStyle.SolidPattern)
# from qt.core import QTimer
# QTimer.singleShot(1000, self.start)
@property
def gui(self):
return self.parent()
def point_at(self, frac):
return (self.path.pointAtPercent(frac).toPoint() -
QPoint(self.rect().center().x(), self.height()))
def rect_at(self, frac):
return QRect(self.point_at(frac), self.size())
def abspos(self, widget):
pos = widget.pos()
parent = widget.parent()
while parent is not self.gui:
pos += parent.pos()
parent = parent.parent()
return pos
def start(self):
if config['disable_animations']:
return
self.setVisible(True)
self.raise_()
end = self.abspos(self.gui.jobs_button)
end = QPointF(end.x() + self.gui.jobs_button.width() / 3.0,
end.y() + 20)
start = QPointF(end.x(), end.y() - 0.5 * self.height())
self.path = QPainterPath(QPointF(start))
self.path.lineTo(end)
self.path.closeSubpath()
self.animation.setStartValue(self.rect_at(0.0))
self.animation.setEndValue(self.rect_at(1.0))
self.animation.setDirection(QAbstractAnimation.Direction.Backward)
num_keys = 100
for i in range(1, num_keys):
i /= num_keys
self.animation.setKeyValueAt(i, self.rect_at(i))
self.animation.start()
def paintEvent(self, ev):
p = QPainter(self)
p.setRenderHints(QPainter.RenderHint.Antialiasing)
p.setBrush(self.brush)
p.setPen(Qt.PenStyle.NoPen)
p.drawPath(self.arrow_path)
p.end()