1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
# -*- coding: iso-8859-1 -*-
# Copyright (C) 2011-2014 Bastian Kleineidam
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Text editor implemented with QScintilla
"""
from PyQt4 import QtGui, Qsci
# Map MIME type to Scintilla lexer class
ContentTypeLexers = {
"application/x-shellscript": Qsci.QsciLexerBash,
"application/x-sh": Qsci.QsciLexerBash,
"application/x-msdos-program": Qsci.QsciLexerBatch,
#"": Qsci.QsciLexerCMake,
"text/x-c++src": Qsci.QsciLexerCPP,
"text/css": Qsci.QsciLexerCSS,
#"": Qsci.QsciLexerCSharp,
#"": Qsci.QsciLexerCustom,
"text/x-dsrc": Qsci.QsciLexerD,
"text/x-diff": Qsci.QsciLexerDiff,
#"": Qsci.QsciLexerFortran,
#"": Qsci.QsciLexerFortran77,
"text/html": Qsci.QsciLexerHTML,
#"": Qsci.QsciLexerIDL,
"text/x-java": Qsci.QsciLexerJava,
"application/javascript": Qsci.QsciLexerJavaScript,
#"": Qsci.QsciLexerLua,
"text/x-makefile": Qsci.QsciLexerMakefile,
#"": Qsci.QsciLexerPOV,
"text/x-pascal": Qsci.QsciLexerPascal,
"text/x-perl": Qsci.QsciLexerPerl,
"application/postscript": Qsci.QsciLexerPostScript,
"text/plain+ini": Qsci.QsciLexerProperties,
"text/x-python": Qsci.QsciLexerPython,
"application/x-ruby": Qsci.QsciLexerRuby,
#"": Qsci.QsciLexerSQL,
#"": Qsci.QsciLexerSpice,
"application/x-tcl": Qsci.QsciLexerTCL,
"application/x-latex": Qsci.QsciLexerTeX,
#"": Qsci.QsciLexerVHDL,
#"": Qsci.QsciLexerVerilog,
"application/xml": Qsci.QsciLexerXML,
#"": Qsci.QsciLexerYAML,
}
class Editor (Qsci.QsciScintilla):
"""Configured QsciScintilla widget."""
def __init__ (self, parent=None):
"""Set Scintilla options for font, colors, etc."""
super(Editor, self).__init__(parent)
# Use Courier font with fixed width
font = QtGui.QFont("Consolas", 11)
font.setFixedPitch(True)
# Set the default font of the editor
# and take the same font for line numbers
self.setFont(font)
self.setMarginsFont(font)
# line number margin for 4 digits (plus 2px extra space)
margin = QtGui.QFontMetrics(font).width("0"*4)+2
# Display line numbers, margin 0 is for line numbers
self.setMarginWidth(0, margin)
self.setMarginLineNumbers(0, True)
# Show whitespace to help detect whitespace errors
self.setWhitespaceVisibility(True)
# Use boxes as folding visual
self.setFolding(self.BoxedTreeFoldStyle)
# Braces matching
self.setBraceMatching(self.SloppyBraceMatch)
# Editing line color
self.setCaretLineVisible(True)
self.setCaretLineBackgroundColor(QtGui.QColor("#e5e5cb"))
# line numbers margin colors
self.setMarginsBackgroundColor(QtGui.QColor("#e5e5e5"))
self.setMarginsForegroundColor(QtGui.QColor("#333333"))
# folding margin colors (foreground,background)
self.setFoldMarginColors(QtGui.QColor("#f5f5dc"),
QtGui.QColor("#aaaaaa"))
def highlight (self, lexerclass):
"""Set syntax highlighter."""
if lexerclass:
lexer = lexerclass()
lexer.setFont(self.font())
self.setLexer(lexer)
else:
# use no styling
self.setLexer()
|
