def textStyle(self, styleIndex):
cursor = self.textEdit.textCursor()
if styleIndex:
styleDict = {
1: QTextListFormat.ListDisc,
2: QTextListFormat.ListCircle,
3: QTextListFormat.ListSquare,
4: QTextListFormat.ListDecimal,
5: QTextListFormat.ListLowerAlpha,
6: QTextListFormat.ListUpperAlpha,
7: QTextListFormat.ListLowerRoman,
8: QTextListFormat.ListUpperRoman,
}
style = styleDict.get(styleIndex, QTextListFormat.ListDisc)
cursor.beginEditBlock()
blockFmt = cursor.blockFormat()
listFmt = QTextListFormat()
if cursor.currentList():
listFmt = cursor.currentList().format()
else:
listFmt.setIndent(blockFmt.indent() + 1)
blockFmt.setIndent(0)
cursor.setBlockFormat(blockFmt)
listFmt.setStyle(style)
cursor.createList(listFmt)
cursor.endEditBlock()
else:
bfmt = QTextBlockFormat()
bfmt.setObjectIndex(-1)
cursor.mergeBlockFormat(bfmt)
def pressedReturn(self):
"""
enter or return key is pressed
:return: returns nothing
"""
cursor = self.textCursor()
listIn = cursor.currentList()
# checks if cursor is in a list
if cursor.currentList() is not None:
cursor.select(QtGui.QTextCursor.BlockUnderCursor)
text = cursor.selectedText()
text = text.strip()
if text == "":
listIn.removeItem(listIn.count() - 1)
return False
currlist = listIn.format()
style = currlist.style()
cursor = self.textCursor()
cursor.insertText("\n")
listFormat = QTextListFormat()
listFormat.setStyle(style)
listFormat.setIndent(currlist.indent())
cursor.createList(listFormat)
return False
return True
def textStyle(self, styleIndex):
cursor = self.textEdit.textCursor()
if styleIndex:
styleDict = {
1: QTextListFormat.ListDisc,
2: QTextListFormat.ListCircle,
3: QTextListFormat.ListSquare,
4: QTextListFormat.ListDecimal,
5: QTextListFormat.ListLowerAlpha,
6: QTextListFormat.ListUpperAlpha,
7: QTextListFormat.ListLowerRoman,
8: QTextListFormat.ListUpperRoman,
}
style = styleDict.get(styleIndex, QTextListFormat.ListDisc)
cursor.beginEditBlock()
blockFmt = cursor.blockFormat()
listFmt = QTextListFormat()
if cursor.currentList():
listFmt = cursor.currentList().format()
else:
listFmt.setIndent(blockFmt.indent() + 1)
blockFmt.setIndent(0)
cursor.setBlockFormat(blockFmt)
listFmt.setStyle(style)
cursor.createList(listFmt)
cursor.endEditBlock()
else:
bfmt = QTextBlockFormat()
bfmt.setObjectIndex(-1)
cursor.mergeBlockFormat(bfmt)
def _text_style(self, index: int):
styles = {
1: QTextListFormat.ListDisc,
2: QTextListFormat.ListCircle,
3: QTextListFormat.ListSquare,
4: QTextListFormat.ListDecimal,
5: QTextListFormat.ListLowerAlpha,
6: QTextListFormat.ListUpperAlpha,
7: QTextListFormat.ListLowerRoman,
8: QTextListFormat.ListUpperRoman
}
cursor = self.textEdit.textCursor()
try:
style = styles[index]
except KeyError:
style = None
cursor.beginEditBlock()
block_fmt = cursor.blockFormat()
if style is None:
block_fmt.setObjectIndex(-1)
heading_level = index - 9 + 1 if index >= 9 else 0
block_fmt.setHeadingLevel(heading_level)
cursor.setBlockFormat(block_fmt)
size = 4 - heading_level if heading_level else 0
fmt = QTextCharFormat()
fmt.setFontWeight(QFont.Bold if heading_level else QFont.Normal)
fmt.setProperty(QTextFormat.FontSizeAdjustment, size)
cursor.select(QTextCursor.LineUnderCursor)
cursor.mergeCharFormat(fmt)
self.textEdit.mergeCurrentCharFormat(fmt)
else:
list_fmt = QTextListFormat()
if cursor.currentList():
list_fmt = cursor.currentList().format()
else:
list_fmt.setIndent(block_fmt.indent() + 1)
block_fmt.setIndent(0)
cursor.setBlockFormat(block_fmt)
list_fmt.setStyle(style)
cursor.createList(list_fmt)
cursor.endEditBlock()
def moveListForward(self):
"""
helper function when tab is pressed in bullet list
:return: returns nothing
"""
cursor = self.textCursor()
listIn = cursor.currentList()
currlist = listIn.format()
style = currlist.style()
# updates style to next bullet
if style == -3:
style = -1
else:
style -= 1
listFormat = QTextListFormat()
# adds indent
listFormat.setIndent(currlist.indent() + 1)
listFormat.setStyle(style)
listIn.setFormat(listFormat)
def moveListBackward(self):
"""
helper function when shift-tab is pressed in bullet list
:return: returns nothing
"""
cursor = self.textCursor()
listIn = cursor.currentList()
currlist = listIn.format()
indent = currlist.indent()
style = currlist.style()
# checks if indent can be removed then removes
if indent != 1:
indent -= 1
# if indent can be removed get previous bullet style
if style == -1:
style = -3
else:
style += 1
listFormat = QTextListFormat()
listFormat.setIndent(indent)
listFormat.setStyle(style)
listIn.setFormat(listFormat)
def loadFormats(self):
self.formats = {}
stylesCSS = pkg_resources.resource_string(data.__name__, 'styles.css')
print("styles.css file: {}".format(stylesCSS))
styleSheet = cssutils.parseString(stylesCSS)
blockFormats = ['title[level="1"]',
'title[level="2"]',
'title[level="3"]',
'para',
'tip',
'warning',
'blockquote',
'programlisting[language="java"]',
'programlisting[language="cpp"]',
'programlisting[language="xml"]',
'programlisting[language="sql"]',
'programlisting[language="python"]',
'programlisting[language="bash"]',
'screen']
for cssKey in blockFormats:
cssRule = self.simpleLookup(styleSheet, cssKey)
# get the selector as a tuple of class and one attribute selector
# (Can be extended later, but currently sufficient)
m = re.match(r'^(\S*?)(?:\[(.*)="(.*)"])?$', cssKey)
selector = m.groups()
blockFmt = QTextBlockFormat()
blockFmt.setProperty(QTextFormat.UserProperty, selector)
value = self.getIntValue(cssRule, 'margin-top')
if value:
blockFmt.setTopMargin(value)
value = self.getIntValue(cssRule, 'margin-right')
if value:
blockFmt.setRightMargin(value)
value = self.getIntValue(cssRule, 'margin-bottom')
if value:
blockFmt.setBottomMargin(value)
value = self.getIntValue(cssRule, 'margin-left')
if value:
blockFmt.setLeftMargin(value)
value = self.getColorValue(cssRule, 'background-color')
if value:
blockFmt.setBackground(value)
charFmt = QTextCharFormat()
self.setCharFormatAttributes(cssRule, charFmt)
fmt = Format(blockFmt, charFmt)
value = self.getStringValue(cssRule, 'white-space')
if value and value == 'pre':
fmt.isPre = True
self.formats[selector] = fmt
### List formats
listFormats = ['itemizedlist[level="1"]',
'itemizedlist[level="2"]',
'itemizedlist[level="3"]',
'itemizedlist[level="4"]',
'orderedlist[level="1"]',
'orderedlist[level="2"]' ,
'orderedlist[level="3"]',
'orderedlist[level="4"]']
for cssKey in listFormats:
cssRule = self.simpleLookup(styleSheet, cssKey)
indent = 0
m = re.match(r'^(\S*?)(?:\[(.*)="(.*)"])?$', cssKey)
selector = m.groups()
if selector[1] == 'level':
indent = int(selector[2])
listFmt = QTextListFormat()
listFmt.setProperty(QTextFormat.UserProperty, selector)
listFmt.setIndent(indent)
value = self.getStringValue(cssRule, 'list-style-type')
if value:
if value == 'disc':
listFmt.setStyle(QTextListFormat.ListDisc)
elif value == 'circle':
listFmt.setStyle(QTextListFormat.ListCircle)
elif value == 'square':
listFmt.setStyle(QTextListFormat.ListSquare)
elif value == 'decimal':
listFmt.setStyle(QTextListFormat.ListDecimal)
self.formats[selector] = Format(None, None, listFmt)
### Inline formats
# Base format (?????)
pcharFmt = QTextCharFormat()
pcharFmt.setFontPointSize(10)
pcharFmt.setFontFamily("Sans")
inlineFormats = ['emphasis[role="highlight"]',
'emphasis',
'code',
'link',
'olink']
for cssKey in inlineFormats:
cssRule = self.simpleLookup(styleSheet, cssKey)
m = re.match(r'^(\S*?)(?:\[(.*)="(.*)"])?$', cssKey)
selector = m.groups()
charFmt = QTextCharFormat(pcharFmt)
charFmt.setProperty(QTextFormat.UserProperty, selector)
# TODO: better approach?
if cssKey in ['link', 'olink']:
charFmt.setAnchor(True)
self.setCharFormatAttributes(cssRule, charFmt)
self.formats[selector] = Format(None, charFmt)
### special formats
charFmt = QTextCharFormat()
cssRule = self.simpleLookup(styleSheet, 'searchMarker')
self.setCharFormatAttributes(cssRule, charFmt)
self.formats[('searchMarker', None, None)] = Format(None, charFmt)