def paint(self, painter, option, index):
QStyledItemDelegate.paint(self, painter, option, index)
text, positions = index.data(Qt.ItemDataRole.UserRole)
self.initStyleOption(option, index)
painter.save()
painter.setFont(option.font)
p = option.palette
c = QPalette.ColorRole.HighlightedText if option.state & QStyle.StateFlag.State_Selected else QPalette.ColorRole.Text
group = (QPalette.ColorGroup.Active if option.state & QStyle.StateFlag.State_Active else QPalette.ColorGroup.Inactive)
c = p.color(group, c)
painter.setClipRect(option.rect)
if positions is None or -1 in positions:
painter.setPen(c)
painter.drawText(option.rect, Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignVCenter | Qt.TextFlag.TextSingleLine, text)
else:
to = QTextOption()
to.setWrapMode(QTextOption.WrapMode.NoWrap)
to.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignVCenter)
positions = sorted(set(positions) - {-1}, reverse=True)
text = '<body>%s</body>' % make_highlighted_text(emphasis_style(), text, positions)
doc = QTextDocument()
c = 'rgb(%d, %d, %d)'%c.getRgb()[:3]
doc.setDefaultStyleSheet(' body { color: %s }'%c)
doc.setHtml(text)
doc.setDefaultFont(option.font)
doc.setDocumentMargin(0.0)
doc.setDefaultTextOption(to)
height = doc.size().height()
painter.translate(option.rect.left(), option.rect.top() + (max(0, option.rect.height() - height) // 2))
doc.drawContents(painter)
painter.restore()
def to_doc(self, index, option=None):
doc = QTextDocument()
if option is not None and option.state & QStyle.StateFlag.State_Selected:
p = option.palette
group = (QPalette.ColorGroup.Active if option.state & QStyle.StateFlag.State_Active else
QPalette.ColorGroup.Inactive)
c = p.color(group, QPalette.ColorRole.HighlightedText)
c = 'rgb(%d, %d, %d)'%c.getRgb()[:3]
doc.setDefaultStyleSheet(' * { color: %s }'%c)
doc.setHtml(index.data() or '')
return doc