def _get_color(self, color: Color) -> qg.QColor:
qt_color = self._color_cache.get(color, None)
if qt_color is None:
if len(color) == 7:
qt_color = qg.QColor(color) # '#RRGGBB'
elif len(color) == 9:
rgb = color[1:7]
alpha = color[7:9]
qt_color = qg.QColor(f"#{alpha}{rgb}") # '#AARRGGBB'
else:
raise TypeError(color)
self._color_cache[color] = qt_color
return qt_color
def drawForeground(self, painter: qg.QPainter, rect: qc.QRectF) -> None:
if self._is_loading and self._loading_overlay:
painter.save()
painter.fillRect(rect, qg.QColor("#aa000000"))
painter.setWorldMatrixEnabled(False)
r = self.viewport().rect()
painter.setBrush(qc.Qt.NoBrush)
painter.setPen(qc.Qt.white)
painter.drawText(r.center(), "Loading...")
painter.restore()
def drawForeground(self, painter: qg.QPainter, rect: qc.QRectF) -> None:
super().drawForeground(painter, rect)
if self._selected_items:
item = self._selected_items[self._selected_index]
r = item.sceneTransform().mapRect(item.boundingRect())
painter.fillRect(r, qg.QColor(0, 255, 0, 100))