def paint(self, painter, option, index):
options = QStyleOptionViewItem(option)
row_obj = index.data(Qt.DisplayRole)
self.initStyleOption(options, index)
# print(option.rect.width())
style = QApplication.style(
) if options.widget is None else options.widget.style()
doc = QTextDocument()
doc.setHtml(row_obj.to_html())
doc.setTextWidth(option.rect.width() - 10)
# doc.setPageSize(300)
# print(doc.loadResource(3))
options.text = ""
style.drawControl(QStyle.CE_ItemViewItem, options, painter)
ctx = QAbstractTextDocumentLayout.PaintContext()
text_rect = style.subElementRect(QStyle.SE_ItemViewItemText, options)
painter.save()
painter.translate(text_rect.topLeft())
painter.setClipRect(text_rect.translated(-text_rect.topLeft()))
doc.documentLayout().draw(painter, ctx)
painter.restore()
def sizeHint(self, option, index):
options = QStyleOptionViewItem(option)
gene_obj = index.data(Qt.DisplayRole)
self.initStyleOption(options, index)
doc = QTextDocument()
doc.setHtml(gene_obj.to_html())
doc.setTextWidth(options.rect.width() - 10)
return QSize(doc.idealWidth(), doc.size().height())
def drawContents(self, painter):
"""
Reimplementation of drawContents to limit the drawing
inside `textRext`.
"""
painter.setPen(self.__color)
painter.setFont(self.font())
if self.__textRect:
rect = self.__textRect
else:
rect = self.rect().adjusted(5, 5, -5, -5)
tformat = self.__textFormat
if tformat == Qt.AutoText:
if mightBeRichText(self.__message):
tformat = Qt.RichText
else:
tformat = Qt.PlainText
if tformat == Qt.RichText:
doc = QTextDocument()
doc.setHtml(self.__message)
doc.setTextWidth(rect.width())
cursor = QTextCursor(doc)
cursor.select(QTextCursor.Document)
fmt = QTextBlockFormat()
fmt.setAlignment(self.__alignment)
cursor.mergeBlockFormat(fmt)
painter.save()
painter.translate(rect.topLeft())
doc.drawContents(painter)
painter.restore()
else:
painter.drawText(rect, self.__alignment, self.__message)
def drawContents(self, painter):
"""
Reimplementation of drawContents to limit the drawing
inside `textRext`.
"""
painter.setPen(self.__color)
painter.setFont(self.font())
if self.__textRect:
rect = self.__textRect
else:
rect = self.rect().adjusted(5, 5, -5, -5)
tformat = self.__textFormat
if tformat == Qt.AutoText:
if mightBeRichText(self.__message):
tformat = Qt.RichText
else:
tformat = Qt.PlainText
if tformat == Qt.RichText:
doc = QTextDocument()
doc.setHtml(self.__message)
doc.setTextWidth(rect.width())
cursor = QTextCursor(doc)
cursor.select(QTextCursor.Document)
fmt = QTextBlockFormat()
fmt.setAlignment(self.__alignment)
cursor.mergeBlockFormat(fmt)
painter.save()
painter.translate(rect.topLeft())
doc.drawContents(painter)
painter.restore()
else:
painter.drawText(rect, self.__alignment, self.__message)
