def mouseMoveEvent(self, e):
if e.buttons() == QtCore.Qt.LeftButton:
mimeData = QtCore.QMimeData()
mimeData.setText('%d,%d' % (e.x(), e.y()))
# show the ghost image while dragging
pixmap = QtWidgets.QPixmap.grabWidget(self)
painter = QtWidgets.QPainter(pixmap)
painter.fillRect(pixmap.rect(), QtWidgets.QColor(0, 0, 0, 127))
painter.end()
drag = QtWidgets.QDrag(self)
drag.setMimeData(mimeData)
drag.setPixmap(pixmap)
drag.setHotSpot(e.pos())
drag.exec_(QtCore.Qt.MoveAction)
def paint(self, painter, option, index):
if index.column() > 2:
super(SpectralModelsTableDelegate,
self).paint(painter, option, index)
return None
painter.save()
# set background color
painter.setPen(QtGui.QPen(QtCore.Qt.NoPen))
if option.state & QtGui.QStyle.State_Selected:
painter.setBrush(
QtGui.QBrush(self.parent().palette().highlight().color()))
else:
# Does this row have a conflict?
conflicts = self.session._spectral_model_conflicts
conflict_indices = np.hstack([sum([], conflicts)])
row = index.row()
if row in conflict_indices:
for i, conflict in enumerate(conflicts):
if row in conflict:
color = _COLORS[i % len(_COLORS)]
break
painter.setBrush(QtGui.QBrush(QtGui.QColor(color)))
else:
painter.setBrush(QtGui.QBrush(QtCore.Qt.white))
painter.drawRect(option.rect)
# set text color
painter.setPen(QtGui.QPen(QtCore.Qt.black))
painter.drawText(option.rect,
QtCore.Qt.AlignLeft | QtCore.Qt.AlignCenter,
index.data())
painter.restore()
def set_background_role(obj):
palette = QtWidgets.QPalette(obj.palette())
palette.setColor(obj.backgroundRole(),
QtWidgets.QColor(colors["background"]))
obj.setPalette(palette)
