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//! [0]
editor = QTextEdit()
highlighter = MyHighlighter(editor.document())
//! [0]
//! [1]
class MyHighlighter(QSyntaxHighlighter):
def highlightBlock(self, text):
myClassFormat = QTextCharFormat()
myClassFormat.setFontWeight(QFont.Bold)
myClassFormat.setForeground(Qt.darkMagenta)
pattern = QString("\\bMy[A-Za-z]+\\b")
expression = QRegExp(pattern)
index = text.indexOf(expression)
while index >= 0:
length = expression.matchedLength()
setFormat(index, length, myClassFormat)
index = text.indexOf(expression, index + length)
//! [1]
//! [2]
multiLineCommentFormat = QTextCharFormat()
multiLineCommentFormat.setForeground(Qt.red)
startExpression = QRegExp("/\\*")
endExpression = QRegExp("\\*/")
setCurrentBlockState(0)
startIndex = 0
if previousBlockState() != 1:
startIndex = text.indexOf(startExpression)
while startIndex >= 0:
endIndex = text.indexOf(endExpression, startIndex)
if endIndex == -1:
setCurrentBlockState(1)
commentLength = text.length() - startIndex
else:
commentLength = endIndex - startIndex
+ endExpression.matchedLength()
setFormat(startIndex, commentLength, multiLineCommentFormat)
startIndex = text.indexOf(startExpression,
startIndex + commentLength)
//! [2]
//! [3]
class MyHighlighter(QSyntaxHighlighter):
def highlightBlock(self, text):
myClassFormat = QTextCharFormat()
myClassFormat.setFontWeight(QFont.Bold)
myClassFormat.setForeground(Qt.darkMagenta)
pattern = QString("\\bMy[A-Za-z]+\\b")
expression = QRegExp(pattern)
index = text.indexOf(expression)
while index >= 0:
length = expression.matchedLength()
setFormat(index, length, myClassFormat)
index = text.indexOf(expression, index + length)
//! [3]
//! [4]
class BlockData(QTextBlockUserData):
def __init__(self):
# ...
self.parentheses = []
//! [4]
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