def paint(self, painter, option, index):
QStyledItemDelegate.paint(self, painter, option, index)
text, positions = index.data(Qt.UserRole)
self.initStyleOption(option, index)
painter.save()
painter.setFont(option.font)
p = option.palette
c = p.HighlightedText if option.state & QStyle.State_Selected else p.Text
group = (p.Active if option.state & QStyle.State_Active else p.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.AlignLeft | Qt.AlignVCenter | Qt.TextSingleLine, text)
else:
to = QTextOption()
to.setWrapMode(to.NoWrap)
to.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
positions = sorted(set(positions) - {-1}, reverse=True)
text = '<body>%s</body>' % make_highlighted_text(Results.EMPH, 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 __init__(self, *args):
QPlainTextEdit.__init__(self, *args)
# Default options to RightToleft
options = QTextOption()
options = self.document().defaultTextOption()
options.setAlignment(Qt.AlignRight)
options.setTextDirection(Qt.RightToLeft)
self.document().setDefaultTextOption(options)
# Default dictionary based on the current locale.
self.dict = myspeller()
# self.highlighter = Highlighter(self.document())
# self.highlighter.setDict(self.dict)
self.pretxt = ''
def viewItemDrawText(self, painter, option, rect, text, color, searchText=''): # noqa C901
'''
@note: most of codes taken from QCommonStylePrivate::viewItemDrawText
added highlighting and simplified for single-line textlayouts
@param painter QPainter
@param option QStyleOptionViewItem
@param rect QRect
@param text QString
@param color QColor
@param searchText QString
@return: int
'''
if not text:
return 0
fontMetrics = QFontMetrics(painter.font())
elidedText = fontMetrics.elidedText(text, option.textElideMode, rect.width())
textOption = QTextOption()
textOption.setWrapMode(QTextOption.NoWrap)
textOption.setAlignment(QStyle.visualAlignment(textOption.textDirection(),
option.displayAlignment))
textLayout = QTextLayout()
textLayout.setFont(painter.font())
textLayout.setText(elidedText)
textLayout.setTextOption(textOption)
if searchText:
# QList<int>
delimiters = []
searchStrings = [ item.strip() for item in searchText.split(' ') ]
searchStrings = [ item for item in searchStrings if item ]
# Look for longer parts first
searchStrings.sort(key=lambda x: len(x), reverse=True)
text0 = text.lower()
for string in searchStrings:
string0 = string.lower()
delimiter = text0.find(string0)
while delimiter != -1:
start = delimiter
end = delimiter + len(string)
alreadyContains = False
for idx in range(0, len(delimiters), 2):
dStart = delimiters[idx]
dEnd = delimiters[idx+1]
if dStart <= start and dEnd >= end:
alreadyContains = True
break
if not alreadyContains:
delimiters.append(start)
delimiters.append(end)
delimiter = text0.find(string0, end)
# We need to sort delimiters to properly paint all parts that user typed
delimiters.sort()
# If we don't find any match, just paint it withoutany highlight
if delimiters and len(delimiters) % 2 == 0:
highlightParts = [] # QList<QTextLayout::FormatRange>
while delimiters:
highlightedPart = QTextLayout.FormatRange()
start = delimiters.pop(0)
end = delimiters.pop(0)
highlightedPart.start = start
highlightedPart.length = end - start
highlightedPart.format.setFontWeight(QFont.Bold)
highlightedPart.format.setUnderlineStyle(QTextCharFormat.SingleUnderline)
highlightParts.append(highlightedPart)
textLayout.setAdditionalFormats(highlightParts)
# do layout
self._s_viewItemDrawText(textLayout, rect.width())
if textLayout.lineCount() <= 0:
return 0
textLine = textLayout.lineAt(0)
# if elidedText after highlighting is longer than available width then
# re-elide it and redo layout
diff = textLine.naturalTextWidth() - rect.width()
if diff > 0:
# TODO: ?
elidedText = fontMetrics.elidedText(elidedText, option.textElideMode,
rect.width() - diff)
textLayout.setText(elidedText)
# redo layout
self._s_viewItemDrawText(textLayout, rect.width())
if textLayout.lineCount() <= 0:
return 0
textLine = textLayout.lineAt(0)
# draw line
painter.setPen(color)
# qreal
width = max(rect.width(), textLayout.lineAt(0).width())
# QRect
layoutRect = QStyle.alignedRect(option.direction, option.displayAlignment,
QSize(int(width), int(textLine.height())), rect)
# QPointF
position = layoutRect.topLeft()
textLine.draw(painter, position)
return int(min(rect.width(), textLayout.lineAt(0).naturalTextWidth()))
