def paintEvent(self, event):
"""override the paint event to paint the 1/4 circle image."""
painter = QPainter(self)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
painter.translate(self.pix.width() / 2, self.pix.height() / 2)
painter.rotate(self._rotation)
painter.drawPixmap(-self.pix.width() / 2, -self.pix.height() / 2,
self.pix.width(), self.pix.height(), self.pix)
painter.end()
return super(MLoading, self).paintEvent(event)
def draw_empty_content(view, text=None, pix_map=None):
from dayu_widgets import dayu_theme
pix_map = pix_map or MPixmap('empty.svg')
text = text or view.tr('No Data')
painter = QPainter(view)
font_metrics = painter.fontMetrics()
painter.setPen(QPen(dayu_theme.secondary_text_color))
content_height = pix_map.height() + font_metrics.height()
padding = 10
proper_min_size = min(view.height() - padding * 2, view.width() - padding * 2, content_height)
if proper_min_size < content_height:
pix_map = pix_map.scaledToHeight(proper_min_size - font_metrics.height(),
Qt.SmoothTransformation)
content_height = proper_min_size
painter.drawText(view.width() / 2 - font_metrics.width(text) / 2,
view.height() / 2 + content_height / 2 - font_metrics.height() / 2,
text)
painter.drawPixmap(view.width() / 2 - pix_map.width() / 2,
view.height() / 2 - content_height / 2, pix_map)
painter.end()