def paint(self, painter: QPainter, option: QStyleOptionViewItem,
index: QModelIndex) -> None:
opt = QStyleOptionViewItem(option)
self.initStyleOption(opt, index)
widget = option.widget
style = QApplication.style() if widget is None else widget.style()
# Keep ref to style wrapper. This is ugly, wrong but the wrapping of
# C++ QStyle instance takes ~5% unless the wrapper already exists.
self.__style = style
text = opt.text
opt.text = ""
style.drawControl(QStyle.CE_ItemViewItem, opt, painter, widget)
trect = style.subElementRect(QStyle.SE_ItemViewItemText, opt, widget)
opt.text = text
self.drawViewItemText(style, painter, opt, trect)
def paint(self, painter, option, index):
options = QStyleOptionViewItem(option)
self.initStyleOption(options, index)
style = QApplication.style(
) if options.widget is None else options.widget.style()
doc = QtGui.QTextDocument()
doc.setHtml(options.text)
options.text = ""
style.drawControl(QStyle.CE_ItemViewItem, options, painter)
ctx = QtGui.QAbstractTextDocumentLayout.PaintContext()
if options.state & QStyle.State_Selected:
ctx.palette.setColor(
QtGui.QPalette.Text,
options.palette.color(QtGui.QPalette.Active,
QtGui.QPalette.HighlightedText))
textRect = style.subElementRect(QStyle.SE_ItemViewItemText, options)
painter.save()
painter.translate(textRect.topLeft())
painter.setClipRect(textRect.translated(-textRect.topLeft()))
doc.documentLayout().draw(painter, ctx)
painter.restore()
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: QStyleOptionViewItem,
index: QModelIndex) -> QSize:
widget = option.widget
template = self.template(-10**self.ndigits, self.ndecimals)
span = self.spanData(index)
if span is not None:
vmin, vmax = span
t1 = self.template(vmin, self.ndecimals)
t2 = self.template(vmax, self.ndecimals)
template = max((t1, t2), key=len)
style = widget.style() if widget is not None else QApplication.style()
# Keep ref to style wrapper. This is ugly, wrong but the wrapping of
# C++ QStyle instance takes ~5% unless the wrapper already exists.
self.__style = style
opt = QStyleOptionViewItem(option)
opt.features |= QStyleOptionViewItem.HasDisplay
sh = QSize()
key = option.font.key(), template
if key not in self.__sh_cache:
for d in map(str, range(10)):
opt.text = template.replace("X", d)
sh_ = style.sizeFromContents(QStyle.CT_ItemViewItem, opt,
QSize(), widget)
sh = sh.expandedTo(sh_)
self.__sh_cache[key] = sh
else:
sh = self.__sh_cache[key]
return QSize(sh)
def paint(self, painter, option, index):
options = QStyleOptionViewItem(option)
self.initStyleOption(options,index)
style = QApplication.style() if options.widget is None else options.widget.style()
doc = QtGui.QTextDocument()
doc.setHtml(options.text)
options.text = ""
style.drawControl(QStyle.CE_ItemViewItem, options, painter)
ctx = QtGui.QAbstractTextDocumentLayout.PaintContext()
if options.state & QStyle.State_Selected:
ctx.palette.setColor(QtGui.QPalette.Text,
options.palette.color(QtGui.QPalette.Active,
QtGui.QPalette.HighlightedText))
textRect = style.subElementRect(QStyle.SE_ItemViewItemText, options)
painter.save()
painter.translate(textRect.topLeft())
painter.setClipRect(textRect.translated(-textRect.topLeft()))
doc.documentLayout().draw(painter, ctx)
painter.restore()
def paint(
self, painter: QPainter, option: QStyleOptionViewItem,
index: QModelIndex
) -> None:
opt = QStyleOptionViewItem(option)
self.initStyleOption(opt, index)
widget = option.widget
style = QApplication.style() if widget is None else widget.style()
self.__style = style
text = opt.text
opt.text = ""
style.drawControl(QStyle.CE_ItemViewItem, opt, painter, widget)
textrect = style.subElementRect(
QStyle.SE_ItemViewItemText, opt, widget)
ratio = self.barFillRatioData(index)
if ratio is not None and 0. <= ratio <= 1.:
color = self.barColorData(index)
if color is None:
color = self.color
if not color.isValid():
color = opt.palette.color(QPalette.Foreground)
rect = option.rect
pw = self.penWidth
hmargin = 3 + pw / 2 # + half pen width for the round line cap
vmargin = 1
textoffset = pw + vmargin * 2
baseline = rect.bottom() - textoffset / 2
width = (rect.width() - 2 * hmargin) * ratio
painter.save()
painter.setRenderHint(QPainter.Antialiasing)
pen = self.__pen
pen.setColor(color)
pen.setWidth(pw)
painter.setPen(pen)
line = self.__line
left = rect.left() + hmargin
line.setLine(left, baseline, left + width, baseline)
painter.drawLine(line)
painter.restore()
textrect.adjust(0, 0, 0, -textoffset)
opt.text = text
self.drawViewItemText(style, painter, opt, textrect)
def init_style_option(
delegate: QStyledItemDelegate,
option: QStyleOptionViewItem,
index: QModelIndex,
data: Mapping[int, Any],
roles: Optional[Container[int]] = None,
) -> None:
"""
Like `QStyledItemDelegate.initStyleOption` but fill in the fields from
`data` mapping. If `roles` is not `None` init the `option` for the
specified `roles` only.
"""
# pylint: disable=too-many-branches
option.styleObject = None
option.index = index
if roles is None:
roles = data
features = 0
if Qt.DisplayRole in roles:
value = data.get(Qt.DisplayRole)
if value is not None:
option.text = delegate.displayText(value, option.locale)
features |= _QStyleOptionViewItem_HasDisplay
if Qt.FontRole in roles:
value = data.get(Qt.FontRole)
font = cast_(QFont, value)
if font is not None:
font = font.resolve(option.font)
option.font = font
option.fontMetrics = QFontMetrics(option.font)
if Qt.ForegroundRole in roles:
value = data.get(Qt.ForegroundRole)
foreground = cast_(QBrush, value)
if foreground is not None:
option.palette.setBrush(QPalette.Text, foreground)
if Qt.BackgroundRole in roles:
value = data.get(Qt.BackgroundRole)
background = cast_(QBrush, value)
if background is not None:
option.backgroundBrush = background
if Qt.TextAlignmentRole in roles:
value = data.get(Qt.TextAlignmentRole)
alignment = cast_(int, value)
if alignment is not None:
alignment = alignment & _AlignmentMask
option.displayAlignment = _AlignmentCache[alignment]
if Qt.CheckStateRole in roles:
state = data.get(Qt.CheckStateRole)
if state is not None:
features |= _QStyleOptionViewItem_HasCheckIndicator
state = cast_(int, state)
if state is not None:
option.checkState = state
if Qt.DecorationRole in roles:
value = data.get(Qt.DecorationRole)
if value is not None:
features |= _QStyleOptionViewItem_HasDecoration
if isinstance(value, QIcon):
option.icon = value
elif isinstance(value, QColor):
pix = QPixmap(option.decorationSize)
pix.fill(value)
option.icon = QIcon(pix)
elif isinstance(value, QPixmap):
option.icon = QIcon(value)
option.decorationSize = (value.size() / value.devicePixelRatio()).toSize()
elif isinstance(value, QImage):
pix = QPixmap.fromImage(value)
option.icon = QIcon(value)
option.decorationSize = (pix.size() / pix.devicePixelRatio()).toSize()
option.features |= features
