eric6/QScintilla/Lexers/LexerTCL.py

Wed, 30 Dec 2020 11:00:44 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 30 Dec 2020 11:00:44 +0100
branch
maintenance
changeset 7924
8a96736d465e
parent 7781
607a6098cb44
child 8243
cc717c2ae956
permissions
-rw-r--r--

Updated copyright for 2021.

# -*- coding: utf-8 -*-

# Copyright (c) 2008 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a TCL/Tk lexer with some additional methods.
"""

from PyQt5.Qsci import QsciLexerTCL

from .Lexer import Lexer

import Preferences


class LexerTCL(Lexer, QsciLexerTCL):
    """
    Subclass to implement some additional lexer dependant methods.
    """
    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent parent widget of this lexer
        """
        QsciLexerTCL.__init__(self, parent)
        Lexer.__init__(self)
        
        self.commentString = "#"
        
        self.keywordSetDescriptions = [
            self.tr("TCL Keywords"),
            self.tr("TK Keywords"),
            self.tr("iTCL Keywords"),
            self.tr("TK Commands"),
            self.tr("expand"),
            self.tr("User defined 1"),
            self.tr("User defined 2"),
            self.tr("User defined 3"),
            self.tr("User defined 4"),
        ]
    
    def initProperties(self):
        """
        Public slot to initialize the properties.
        """
        try:
            self.setFoldCompact(Preferences.getEditor("AllFoldCompact"))
        except AttributeError:
            pass
        try:
            self.setFoldComments(Preferences.getEditor("TclFoldComment"))
        except AttributeError:
            pass
    
    def isCommentStyle(self, style):
        """
        Public method to check, if a style is a comment style.
        
        @param style style to check (integer)
        @return flag indicating a comment style (boolean)
        """
        return style in [QsciLexerTCL.Comment,
                         QsciLexerTCL.CommentBlock,
                         QsciLexerTCL.CommentBox,
                         QsciLexerTCL.CommentLine]
    
    def isStringStyle(self, style):
        """
        Public method to check, if a style is a string style.
        
        @param style style to check (integer)
        @return flag indicating a string style (boolean)
        """
        return style in [QsciLexerTCL.QuotedString]
    
    def defaultKeywords(self, kwSet):
        """
        Public method to get the default keywords.
        
        @param kwSet number of the keyword set (integer)
        @return string giving the keywords (string) or None
        """
        return QsciLexerTCL.keywords(self, kwSet)
    
    def maximumKeywordSet(self):
        """
        Public method to get the maximum keyword set.
        
        @return maximum keyword set (integer)
        """
        return 9

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