mirror of
https://github.com/olivierkes/manuskript.git
synced 2024-06-26 18:20:53 +12:00
159 lines
6 KiB
Python
159 lines
6 KiB
Python
#!/usr/bin/python
|
|
# -*- coding: utf8 -*-
|
|
|
|
import re
|
|
|
|
from PyQt5.QtCore import Qt
|
|
from PyQt5.QtGui import QBrush, QTextCursor, QColor, QFont, QSyntaxHighlighter
|
|
from PyQt5.QtGui import QTextBlockFormat, QTextCharFormat
|
|
|
|
import manuskript.models.references as Ref
|
|
import manuskript.ui.style as S
|
|
from manuskript import settings
|
|
from manuskript import functions as F
|
|
|
|
|
|
class BasicHighlighter(QSyntaxHighlighter):
|
|
def __init__(self, editor):
|
|
QSyntaxHighlighter.__init__(self, editor.document())
|
|
|
|
self.editor = editor
|
|
self._misspelledColor = Qt.red
|
|
self._defaultBlockFormat = QTextBlockFormat()
|
|
self._defaultCharFormat = QTextCharFormat()
|
|
self.defaultTextColor = QColor(S.text)
|
|
self.backgroundColor = QColor(S.base)
|
|
self.markupColor = QColor(S.textLight)
|
|
self.linkColor = QColor(S.link)
|
|
self.spellingErrorColor = QColor(Qt.red)
|
|
|
|
def setDefaultBlockFormat(self, bf):
|
|
self._defaultBlockFormat = bf
|
|
self.rehighlight()
|
|
|
|
def setDefaultCharFormat(self, cf):
|
|
self._defaultCharFormat = cf
|
|
self.rehighlight()
|
|
|
|
def setMisspelledColor(self, color):
|
|
self._misspelledColor = color
|
|
|
|
def updateColorScheme(self, rehighlight=True):
|
|
"""
|
|
Generates a base set of colors that will take account of user
|
|
preferences, and use system style.
|
|
"""
|
|
|
|
# Reading user settings
|
|
opt = settings.textEditor
|
|
|
|
if not self.editor._fromTheme or not self.editor._themeData:
|
|
|
|
self.defaultTextColor = QColor(opt["fontColor"])
|
|
self.backgroundColor = (QColor(opt["background"])
|
|
if not opt["backgroundTransparent"]
|
|
else QColor(S.window))
|
|
self.markupColor = F.mixColors(self.defaultTextColor,
|
|
self.backgroundColor,
|
|
.3)
|
|
self.linkColor = QColor(S.link)
|
|
self.spellingErrorColor = QColor(opt["misspelled"])
|
|
self._defaultCharFormat.setForeground(QBrush(self.defaultTextColor))
|
|
|
|
# FullscreenEditor probably
|
|
else:
|
|
opt = self.editor._themeData
|
|
self.defaultTextColor = QColor(opt["Text/Color"])
|
|
self.backgroundColor = QColor(opt["Background/Color"])
|
|
self.markupColor = F.mixColors(self.defaultTextColor,
|
|
self.backgroundColor,
|
|
.3)
|
|
self.linkColor = QColor(S.link)
|
|
self.spellingErrorColor = QColor(opt["Text/Misspelled"])
|
|
|
|
if rehighlight:
|
|
self.rehighlight()
|
|
|
|
def highlightBlock(self, text):
|
|
"""Apply syntax highlighting to the given block of text.
|
|
"""
|
|
self.highlightBlockBefore(text)
|
|
self.doHighlightBlock(text)
|
|
self.highlightBlockAfter(text)
|
|
|
|
def doHighlightBlock(self, text):
|
|
"""
|
|
Virtual funtion to subclass.
|
|
"""
|
|
pass
|
|
|
|
def highlightBlockBefore(self, text):
|
|
"""Highlighting to do before anything else.
|
|
|
|
When subclassing BasicHighlighter, you must call highlightBlockBefore
|
|
before you do any custom highlighting. Or implement doHighlightBlock.
|
|
"""
|
|
|
|
#print(">", self.currentBlock().document().availableUndoSteps())
|
|
c = QTextCursor(self.currentBlock())
|
|
#c.joinPreviousEditBlock()
|
|
bf = QTextBlockFormat(self._defaultBlockFormat)
|
|
if bf != c.blockFormat():
|
|
c.setBlockFormat(bf)
|
|
#c.endEditBlock()
|
|
#print(" ", self.currentBlock().document().availableUndoSteps())
|
|
|
|
# self.setFormat(0, len(text), self._defaultCharFormat)
|
|
|
|
def highlightBlockAfter(self, text):
|
|
"""Highlighting to do after everything else.
|
|
|
|
When subclassing BasicHighlighter, you must call highlightBlockAfter
|
|
after your custom highlighting. Or implement doHighlightBlock.
|
|
"""
|
|
|
|
# References
|
|
for txt in re.finditer(Ref.RegEx, text):
|
|
fmt = self.format(txt.start())
|
|
fmt.setFontFixedPitch(True)
|
|
fmt.setFontWeight(QFont.DemiBold)
|
|
|
|
if txt.group(1) == Ref.TextLetter:
|
|
fmt.setBackground(QBrush(Ref.TextHighlightColor))
|
|
elif txt.group(1) == Ref.CharacterLetter:
|
|
fmt.setBackground(QBrush(Ref.CharacterHighlightColor))
|
|
elif txt.group(1) == Ref.PlotLetter:
|
|
fmt.setBackground(QBrush(Ref.PlotHighlightColor))
|
|
elif txt.group(1) == Ref.WorldLetter:
|
|
fmt.setBackground(QBrush(Ref.WorldHighlightColor))
|
|
|
|
self.setFormat(txt.start(),
|
|
txt.end() - txt.start(),
|
|
fmt)
|
|
|
|
# Spell checking
|
|
|
|
# Following algorithm would not check words at the end of line.
|
|
# This hacks adds a space to every line where the text cursor is not
|
|
# So that it doesn't spellcheck while typing, but still spellchecks at
|
|
# end of lines. See github's issue #166.
|
|
textedText = text
|
|
if self.currentBlock().position() + len(text) != \
|
|
self.editor.textCursor().position():
|
|
textedText = text + " "
|
|
|
|
# Based on http://john.nachtimwald.com/2009/08/22/qplaintextedit-with-in-line-spell-check/
|
|
WORDS = r'(?iu)([\w\']+)[^\'\w]'
|
|
# (?iu) means case insensitive and unicode
|
|
if hasattr(self.editor, "spellcheck") and self.editor.spellcheck:
|
|
for word_object in re.finditer(WORDS, textedText):
|
|
if (self.editor._dict
|
|
and not self.editor._dict.check(word_object.group(1))):
|
|
format = self.format(word_object.start(1))
|
|
format.setUnderlineColor(self._misspelledColor)
|
|
# SpellCheckUnderline fails with some fonts
|
|
format.setUnderlineStyle(QTextCharFormat.WaveUnderline)
|
|
self.setFormat(word_object.start(1),
|
|
word_object.end(1) - word_object.start(1),
|
|
format)
|