def paintEvent(self, event):
"""Override QProgressBar's paintEvent."""
if self.text() != self._default_label.text():
self._default_label.setText(self.text())
if self.isTextVisible() != self._default_label.isVisible():
self._default_label.setVisible(self.isTextVisible())
percent = utils.get_percent(self.value(), self.minimum(),
self.maximum())
total_width = self.get_dayu_width()
pen_width = int(3 * total_width / 50.0)
radius = total_width - pen_width - 1
painter = QPainter(self)
painter.setRenderHints(QPainter.Antialiasing)
# draw background circle
pen_background = QPen()
pen_background.setWidth(pen_width)
pen_background.setColor(QColor(dayu_theme.background_selected_color))
pen_background.setCapStyle(Qt.RoundCap)
painter.setPen(pen_background)
painter.drawArc(pen_width / 2.0 + 1, pen_width / 2.0 + 1, radius,
radius, self._start_angle, -self._max_delta_angle)
# draw foreground circle
pen_foreground = QPen()
pen_foreground.setWidth(pen_width)
pen_foreground.setColor(QColor(self._color))
pen_foreground.setCapStyle(Qt.RoundCap)
painter.setPen(pen_foreground)
painter.drawArc(pen_width / 2.0 + 1, pen_width / 2.0 + 1, radius,
radius, self._start_angle,
-percent * 0.01 * self._max_delta_angle)
painter.end()
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()