def format(color, style=''):
"""Return a QTextCharFormat with the given attributes.
"""
_color = QColor()
_color.setNamedColor(color)
_format = QTextCharFormat()
_format.setForeground(_color)
if 'bold' in style:
_format.setFontWeight(QFont.Bold)
if 'italic' in style:
_format.setFontItalic(True)
return _format
def init_scheme(self):
"""初始化字体方案, 定义类型应该显示的模板块， 可以同外部的 text_format设定其中具体的类型模板"""
base_formats = QTextCharFormat()
base_formats.setFont(self.font)
# 设置一个默认的字块
# set a default text block
self.__block_format.update({'normal': base_formats})
# 设置配色
# set block scheme
for scheme in self.rules_scheme['scheme']:
block_scheme = QTextCharFormat(base_formats)
block_scheme.setForeground(QColor(scheme.get('color', '#000000')))
if scheme['bold']:
block_scheme.setFontWeight(QFont.Bold)
if scheme['italic']:
block_scheme.setFontItalic(True)
self.__block_format.update({scheme['name']: block_scheme})
def __init__(self, document):
super().__init__(document)
self.rules = []
# keywords
f = QTextCharFormat()
f.setFontWeight(QFont.Bold)
f.setForeground(Qt.darkBlue)
for kw in keyword.kwlist:
self.rules.append((QRegularExpression(rf"\b{kw}\b"), f))
# numerals
f = QTextCharFormat()
f.setForeground(Qt.blue)
self.rules.append((QRegularExpression("[0-9]+"), f))
# strings
f = QTextCharFormat()
f.setForeground(Qt.darkCyan)
self.rules.append((QRegularExpression("\".*\""), f))
self.rules.append((QRegularExpression("'.*'"), f))
class Q7PythonEditorHighlighter(QSyntaxHighlighter):
def __init__(self, *args):
keywords = r"\bimport\b|\bas\b|\bfor\b|\bdef\b|\bpass\b"
keywords += r"|\bclass\b|\bfrom\b|\bif\b|\bthen\b|\belse\b"
keywords += r"|\belif\b|\btry\b|\bexcept\b|\bfinally\b|\braise\b"
keywords += r"|\bprint\b|\bin\b|\bnot\b|\band\b|\bor\b|\bcontinue\b"
keywords += r"|\bwhile\b|\breturn\b|\blambda\b|\bwith\b|\del\b"
keywords += r"|\bglobal\b|\byield\b|\bexec\b|\bassert\b|\break\b"
constants = r"\bNone\b|\bTrue\b|\bFalse\b|\bself\b"
autovars = r"\bNODE\b|\bNAME\b|\bVALUE\b|\bSIDSTYPE\b|\bCHILDREN\b"
autovars += r"|\bTREE\b|\bPATH\b|\bRESULT\b|\bARGS\b|\bPARENT\b"
autovars += r"|\bLINKS\b|\bSKIPS\b"
numbers = r'[-+]?\d+' + '|[-+]?(\d+(\.\d*)?|\.\d+)([eE][-+]?\d+)?'
comment = r'\#.*$'
textstring = r'"[^"]*?"|\'[^\']*?\''
self.f_keywords = QTextCharFormat()
self.f_keywords.setFontWeight(QFont.Bold)
self.f_keywords.setForeground(QColor('Blue'))
self.f_comment = QTextCharFormat()
self.f_comment.setFontWeight(QFont.Light)
self.f_comment.setForeground(QColor('Red'))
self.f_constants = QTextCharFormat()
self.f_constants.setFontWeight(QFont.Light)
self.f_constants.setForeground(QColor('Navy'))
self.f_autovars = QTextCharFormat()
self.f_autovars.setFontWeight(QFont.Bold)
self.f_autovars.setForeground(QColor('Green'))
self.f_textstring = QTextCharFormat()
self.f_textstring.setFontWeight(QFont.Bold)
self.f_textstring.setForeground(QColor('Coral'))
self.f_numbers = QTextCharFormat()
self.f_numbers.setFontWeight(QFont.Light)
self.f_numbers.setForeground(QColor('Gray'))
self.r_keywords = re.compile(keywords)
self.r_numbers = re.compile(numbers)
self.r_comment = re.compile(comment)
self.r_constants = re.compile(constants)
self.r_autovars = re.compile(autovars)
self.r_textstring = re.compile(textstring)
self.in_comment = False
self.in_string = False
self.r_syntax = []
self.r_syntax.append((self.r_keywords, self.f_keywords))
self.r_syntax.append((self.r_numbers, self.f_numbers))
self.r_syntax.append((self.r_autovars, self.f_autovars))
self.r_syntax.append((self.r_constants, self.f_constants))
self.r_syntax.append((self.r_comment, self.f_comment))
self.r_syntax.append((self.r_textstring, self.f_textstring))
QSyntaxHighlighter.__init__(self, *args)
def highlightBlock(self, textblock):
text = str(textblock)
fdef = self.format(0)
fmax = len(text)
for (rex, fmt) in self.r_syntax:
mit = rex.finditer(text)
for m in mit:
self.setFormat(m.span()[0], m.span()[1], fmt)
self.setFormat(m.span()[1], fmax, fdef)
