Veronica K. B. Olsen
214 lines
6.9 KiB
Python
214 lines
6.9 KiB
Python
# -*- coding: utf-8 -*-
|
||
"""novelWriter GUI Document Highlighter
|
||
|
||
novelWriter – GUI Document Highlighter
|
||
========================================
|
||
Syntax highlighting for MarkDown
|
||
|
||
File History:
|
||
Created: 2019-04-06 [0.0.1]
|
||
|
||
"""
|
||
|
||
import logging
|
||
import nw
|
||
|
||
from PyQt5.QtCore import QRegularExpression
|
||
from PyQt5.QtGui import QColor, QTextCharFormat, QFont, QSyntaxHighlighter
|
||
|
||
logger = logging.getLogger(__name__)
|
||
|
||
class GuiDocHighlighter(QSyntaxHighlighter):
|
||
|
||
def __init__(self, theDoc):
|
||
QSyntaxHighlighter.__init__(self, theDoc)
|
||
|
||
logger.debug("Initialising DocHighlighter ...")
|
||
self.mainConf = nw.CONFIG
|
||
self.theDoc = theDoc
|
||
self.theDict = None
|
||
self.spellCheck = False
|
||
self.hRules = []
|
||
|
||
self.colHead = QColor( 0,155,200)
|
||
self.colHeadH = QColor( 0,105,135)
|
||
self.colEmph = QColor(200,120, 0)
|
||
self.colDialN = QColor(200, 46, 0)
|
||
self.colDialD = QColor(184,200, 0)
|
||
self.colDialS = QColor(136,200, 0)
|
||
self.colComm = QColor(150,150,150)
|
||
self.colKey = QColor(200, 46, 0)
|
||
self.colVal = QColor(184,200, 0)
|
||
|
||
self.colSpell = QColor(200, 46, 0)
|
||
|
||
self.hStyles = {
|
||
"header1" : self._makeFormat(self.colHead, "bold",1.8),
|
||
"header2" : self._makeFormat(self.colHead, "bold",1.6),
|
||
"header3" : self._makeFormat(self.colHead, "bold",1.4),
|
||
"header4" : self._makeFormat(self.colHead, "bold",1.2),
|
||
"header1h" : self._makeFormat(self.colHeadH,"bold",1.8),
|
||
"header2h" : self._makeFormat(self.colHeadH,"bold",1.6),
|
||
"header3h" : self._makeFormat(self.colHeadH,"bold",1.4),
|
||
"header4h" : self._makeFormat(self.colHeadH,"bold",1.2),
|
||
"bold" : self._makeFormat(self.colEmph, "bold"),
|
||
"italic" : self._makeFormat(self.colEmph, "italic"),
|
||
"strike" : self._makeFormat(self.colEmph, "strike"),
|
||
"underline" : self._makeFormat(self.colEmph, "underline"),
|
||
"dialogue1" : self._makeFormat(self.colDialN),
|
||
"dialogue2" : self._makeFormat(self.colDialD),
|
||
"dialogue3" : self._makeFormat(self.colDialS),
|
||
"hidden" : self._makeFormat(self.colComm),
|
||
"keyword" : self._makeFormat(self.colKey),
|
||
"value" : self._makeFormat(self.colVal),
|
||
}
|
||
|
||
# Headers
|
||
self.hRules.append((
|
||
r"^(#{1}) (.*)[^\n]", {
|
||
0 : self.hStyles["header1"],
|
||
1 : self.hStyles["header1h"],
|
||
}
|
||
))
|
||
self.hRules.append((
|
||
r"^(#{2}) (.*)[^\n]", {
|
||
0 : self.hStyles["header2"],
|
||
1 : self.hStyles["header2h"],
|
||
}
|
||
))
|
||
self.hRules.append((
|
||
r"^(#{3}) (.*)[^\n]", {
|
||
0 : self.hStyles["header3"],
|
||
1 : self.hStyles["header3h"],
|
||
}
|
||
))
|
||
self.hRules.append((
|
||
r"^(#{4}) (.*)[^\n]", {
|
||
0 : self.hStyles["header4"],
|
||
1 : self.hStyles["header4h"],
|
||
}
|
||
))
|
||
|
||
# Keyword/Value
|
||
self.hRules.append((
|
||
r"^(@.+?)\s*:\s*(.+?)$", {
|
||
1 : self.hStyles["keyword"],
|
||
2 : self.hStyles["value"],
|
||
}
|
||
))
|
||
|
||
# Comments
|
||
self.hRules.append((
|
||
r"^%.*$", {
|
||
0 : self.hStyles["hidden"],
|
||
}
|
||
))
|
||
|
||
# Markdown
|
||
self.hRules.append((
|
||
r"(?<![\w|\\])([\*]{2})(?!\s)(?m:(.+?))(?<![\s|\\])(\1)(?!\w)", {
|
||
1 : self.hStyles["hidden"],
|
||
2 : self.hStyles["bold"],
|
||
3 : self.hStyles["hidden"],
|
||
}
|
||
))
|
||
self.hRules.append((
|
||
r"(?<![\w|_|\\])([_])(?!\s|\1)(?m:(.+?))(?<![\s|\\])(\1)(?!\w)", {
|
||
1 : self.hStyles["hidden"],
|
||
2 : self.hStyles["italic"],
|
||
3 : self.hStyles["hidden"],
|
||
}
|
||
))
|
||
self.hRules.append((
|
||
r"(?<![\w|\\])([_]{2})(?!\s)(?m:(.+?))(?<![\s|\\])(\1)(?!\w)", {
|
||
1 : self.hStyles["hidden"],
|
||
2 : self.hStyles["underline"],
|
||
3 : self.hStyles["hidden"],
|
||
}
|
||
))
|
||
|
||
# Quoted Strings
|
||
self.hRules.append((
|
||
"{:s}(.+?){:s}".format('"','"'), {
|
||
0 : self.hStyles["dialogue1"],
|
||
}
|
||
))
|
||
self.hRules.append((
|
||
"{:s}(.+?){:s}".format(*self.mainConf.fmtDoubleQuotes), {
|
||
0 : self.hStyles["dialogue2"],
|
||
}
|
||
))
|
||
self.hRules.append((
|
||
"{:s}(.+?){:s}".format(*self.mainConf.fmtSingleQuotes), {
|
||
0 : self.hStyles["dialogue3"],
|
||
}
|
||
))
|
||
|
||
# Build a QRegExp for each pattern and for the spell checker
|
||
self.rules = [(QRegularExpression(a),b) for (a,b) in self.hRules]
|
||
self.spellRx = QRegularExpression(r"\b[^\s]+\b")
|
||
|
||
logger.debug("DocHighlighter initialisation complete")
|
||
|
||
return
|
||
|
||
def setDict(self, theDict):
|
||
self.theDict = theDict
|
||
return True
|
||
|
||
def setSpellCheck(self, theMode):
|
||
self.spellCheck = theMode
|
||
return True
|
||
|
||
def _makeFormat(self, fmtCol=None, fmtStyle=None, fmtSize=None):
|
||
theFormat = QTextCharFormat()
|
||
|
||
if fmtCol is not None:
|
||
theFormat.setForeground(fmtCol)
|
||
|
||
if fmtStyle is not None:
|
||
if "bold" in fmtStyle:
|
||
theFormat.setFontWeight(QFont.Bold)
|
||
if "italic" in fmtStyle:
|
||
theFormat.setFontItalic(True)
|
||
if "strike" in fmtStyle:
|
||
theFormat.setFontStrikeOut(True)
|
||
if "underline" in fmtStyle:
|
||
theFormat.setFontUnderline(True)
|
||
|
||
if fmtSize is not None:
|
||
theFormat.setFontPointSize(round(fmtSize*self.mainConf.textSize))
|
||
|
||
return theFormat
|
||
|
||
def highlightBlock(self, theText):
|
||
|
||
for rX, xFmt in self.rules:
|
||
rxItt = rX.globalMatch(theText, 0)
|
||
while rxItt.hasNext():
|
||
rxMatch = rxItt.next()
|
||
for xM in xFmt.keys():
|
||
xPos = rxMatch.capturedStart(xM)
|
||
xLen = rxMatch.capturedLength(xM)
|
||
self.setFormat(xPos, xLen, xFmt[xM])
|
||
|
||
self.setCurrentBlockState(0)
|
||
|
||
if self.theDict is None or not self.spellCheck:
|
||
return
|
||
|
||
rxSpell = self.spellRx.globalMatch(theText.replace("_"," "), 0)
|
||
while rxSpell.hasNext():
|
||
rxMatch = rxSpell.next()
|
||
if not self.theDict.check(rxMatch.captured(0)):
|
||
xPos = rxMatch.capturedStart(0)
|
||
xLen = rxMatch.capturedLength(0)
|
||
spFmt = self.format(xPos)
|
||
spFmt.setUnderlineColor(self.colSpell)
|
||
spFmt.setUnderlineStyle(QTextCharFormat.SpellCheckUnderline)
|
||
self.setFormat(xPos, xLen, spFmt)
|
||
|
||
return
|
||
|
||
# END Class DocHighlighter
|