def __init__(self, msg, parent=None, size=256, interval=10):
QWidget.__init__(self, parent)
self.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
self.l = l = QVBoxLayout(self)
self.spinner = ProgressIndicator(self, size, interval)
self.start, self.stop = self.spinner.start, self.spinner.stop
l.addStretch(), l.addWidget(self.spinner, 0, Qt.AlignmentFlag.AlignCenter)
self.la = QLabel(msg)
f = self.la.font()
f.setPointSize(28)
self.la.setFont(f)
l.addWidget(self.la, 0, Qt.AlignmentFlag.AlignCenter), l.addStretch()
p = QPainter(self)
pal = self.palette()
self.a.draw(p, self.rect(),
pal.color(QPalette.ColorRole.WindowText))
p.end()
app = Application([])
d = QDialog()
d.resize(64, 64)
l = QVBoxLayout(d)
w = Widget()
l.addWidget(w)
w.a.start()
d.exec()
del d
del app
if __name__ == '__main__':
from calibre.gui2 import Application
app = Application([])
d = QDialog()
d.resize(64, 64)
w = ProgressIndicator(d)
l = QVBoxLayout(d)
l.addWidget(w)
w.start()
d.exec()
del d
del app