"""
Theme and presentation related code for the Mu editor.
Copyright (c) 2015-2017 Nicholas H.Tollervey and others (see the AUTHORS file).
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 3 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, see <http://www.gnu.org/licenses/>.
"""
import logging
from PyQt5.QtGui import QColor, QFontDatabase
from mu.resources import load_stylesheet, load_font_data
# The default font size.
DEFAULT_FONT_SIZE = 14
# All editor windows use the same font
FONT_NAME = "Source Code Pro"
FONT_FILENAME_PATTERN = "SourceCodePro-{variant}.otf"
FONT_VARIANTS = ("Bold", "BoldIt", "It", "Regular", "Semibold", "SemiboldIt")
# Load the three themes from resources/css/[night|day|contrast].css
# NIGHT_STYLE is a dark theme.
NIGHT_STYLE = load_stylesheet("night.css")
# DAY_STYLE is a light conventional theme.
DAY_STYLE = load_stylesheet("day.css")
# CONTRAST_STYLE is a high contrast theme.
CONTRAST_STYLE = load_stylesheet("contrast.css")
MIN_WINDOW_WIDTH = 500
MIN_WINDOW_HEIGHT = 300
logger = logging.getLogger(__name__)
[docs]class Font:
"""
Utility class that makes it easy to set font related values within the
editor.
"""
_DATABASE = None
def __init__(
self, color="#181818", paper="#FEFEF7", bold=False, italic=False
):
self.color = color
self.paper = paper
self.bold = bold
self.italic = italic
[docs] @classmethod
def get_database(cls):
"""
Create a font database and load the MU builtin fonts into it.
This is a cached classmethod so the font files aren't re-loaded
every time a font is refereced
"""
if cls._DATABASE is None:
cls._DATABASE = QFontDatabase()
for variant in FONT_VARIANTS:
filename = FONT_FILENAME_PATTERN.format(variant=variant)
font_data = load_font_data(filename)
cls._DATABASE.addApplicationFontFromData(font_data)
return cls._DATABASE
[docs] def load(self, size=DEFAULT_FONT_SIZE):
"""
Load the font from the font database, using the correct size and style
"""
return Font.get_database().font(FONT_NAME, self.stylename, size)
@property
def stylename(self):
"""
Map the bold and italic boolean flags here to a relevant
font style name.
"""
if self.bold:
if self.italic:
return "Semibold Italic"
return "Semibold"
if self.italic:
return "Italic"
return "Regular"
[docs]class Theme:
"""
Defines a font and other theme specific related information.
"""
@classmethod
def apply_to(cls, lexer):
# Apply a font for all styles
lexer.setFont(Font().load())
for name, font in cls.__dict__.items():
if not isinstance(font, Font):
continue
if hasattr(lexer, name):
style_num = getattr(lexer, name)
lexer.setColor(QColor(font.color), style_num)
lexer.setEolFill(True, style_num)
lexer.setPaper(QColor(font.paper), style_num)
lexer.setFont(font.load(), style_num)
[docs]class DayTheme(Theme):
"""
Defines a Python related theme including the various font colours for
syntax highlighting.
This is a light theme.
"""
FunctionMethodName = ClassName = Font(color="#0000a0")
UnclosedString = Font(paper="#FFDDDD")
Comment = CommentBlock = Font(color="gray")
Keyword = Font(color="#005050", bold=True)
SingleQuotedString = DoubleQuotedString = Font(color="#800000")
SingleQuotedFString = DoubleQuotedFString = Font(color="#800000")
TripleSingleQuotedString = TripleDoubleQuotedString = Font(color="#060")
TripleSingleQuotedFString = TripleDoubleQuotedFString = Font(color="#060")
Number = Font(color="#00008B")
Decorator = Font(color="#cc6600")
Default = Identifier = Font()
Operator = Font(color="#400040")
HighlightedIdentifier = Font(color="#0000a0")
Paper = QColor("#FEFEF7")
Caret = QColor("#181818")
Margin = QColor("#EEE")
IndicatorError = QColor("red")
IndicatorStyle = QColor("blue")
DebugStyle = QColor("#ffcc33")
IndicatorWordMatch = QColor("lightGrey")
BraceBackground = QColor("lightGrey")
BraceForeground = QColor("blue")
UnmatchedBraceBackground = QColor("#FFDDDD")
UnmatchedBraceForeground = QColor("black")
BreakpointMarker = QColor("#D80000")
# HTML
Tag = Keyword
UnknownTag = Tag
XMLTagEnd = Tag
XMLStart = Tag
XMLEnd = Tag
Attribute = ClassName
UnknownAttribute = Attribute
HTMLNumber = Number
HTMLDoubleQuotedString = DoubleQuotedString
HTMLSingleQuotedString = SingleQuotedString
OtherInTag = Default
HTMLComment = Comment
Entity = Operator
CDATA = Decorator
# CSS
ClassSelector = Tag
PseudoClass = ClassSelector
UnknownPseudoClass = ClassSelector
CSS1Property = (
CSS2Property
) = CSS3Property = UnknownProperty = SingleQuotedString
Value = Number
IDSelector = Tag
Important = UnmatchedBraceBackground
AtRule = Decorator
MediaRule = Decorator
Variable = HighlightedIdentifier
[docs]class NightTheme(Theme):
"""
Defines a Python related theme including the various font colours for
syntax highlighting.
This is the dark theme.
"""
# Python / General
FunctionMethodName = ClassName = Font(color="#81a2be", paper="#222")
UnclosedString = Font(paper="#c93827")
Comment = CommentBlock = CommentLine = Font(color="#969896", paper="#222")
Keyword = Font(color="#73a46a", bold=True, paper="#222")
SingleQuotedString = DoubleQuotedString = Font(
color="#f0c674", paper="#222"
)
SingleQuotedFString = DoubleQuotedFString = Font(
color="#f0c674", paper="#222"
)
TripleSingleQuotedString = TripleDoubleQuotedString = Font(
color="#f0c674", paper="#222"
)
TripleSingleQuotedFString = TripleDoubleQuotedFString = Font(
color="#f0c674", paper="#222"
)
Number = Font(color="#b5bd68", paper="#222")
Decorator = Font(color="#cc6666", paper="#222")
Default = Identifier = Font(color="#DDD", paper="#222")
Operator = Font(color="#b294bb", paper="#222")
HighlightedIdentifier = Font(color="#de935f", paper="#222")
Paper = QColor("#222")
Caret = QColor("#c6c6c6")
Margin = QColor("#424446")
IndicatorError = QColor("#c93827")
IndicatorStyle = QColor("#2f5692")
DebugStyle = QColor("#444")
IndicatorWordMatch = QColor("#f14721")
BraceBackground = QColor("#ed1596")
BraceForeground = QColor("#222")
UnmatchedBraceBackground = QColor("#c93827")
UnmatchedBraceForeground = QColor("#222")
BreakpointMarker = QColor("#c93827")
# HTML
Tag = Keyword
UnknownTag = Tag
XMLTagEnd = Tag
XMLStart = Tag
XMLEnd = Tag
Attribute = ClassName
UnknownAttribute = Attribute
HTMLNumber = Number
HTMLDoubleQuotedString = DoubleQuotedString
HTMLSingleQuotedString = SingleQuotedString
OtherInTag = Default
HTMLComment = Comment
Entity = Operator
CDATA = Decorator
# CSS
ClassSelector = Tag
PseudoClass = ClassSelector
UnknownPseudoClass = ClassSelector
CSS1Property = (
CSS2Property
) = CSS3Property = UnknownProperty = SingleQuotedString
Value = Number
IDSelector = Tag
Important = UnmatchedBraceBackground
AtRule = Decorator
MediaRule = Decorator
Variable = HighlightedIdentifier
[docs]class ContrastTheme(Theme):
"""
Defines a Python related theme including the various font colours for
syntax highlighting.
This is the high contrast theme.
"""
FunctionMethodName = ClassName = Font(color="#AAA", paper="black")
UnclosedString = Font(paper="#666")
Comment = CommentBlock = Font(color="#AAA", paper="black")
Keyword = Font(color="#EEE", bold=True, paper="black")
SingleQuotedString = DoubleQuotedString = Font(color="#AAA", paper="black")
SingleQuotedFString = DoubleQuotedFString = Font(
color="#AAA", paper="black"
)
TripleSingleQuotedString = TripleDoubleQuotedString = Font(
color="#AAA", paper="black"
)
TripleSingleQuotedFString = TripleDoubleQuotedFString = Font(
color="#AAA", paper="black"
)
Number = Font(color="#AAA", paper="black")
Decorator = Font(color="#cccccc", paper="black")
Default = Identifier = Font(color="#fff", paper="black")
Operator = Font(color="#CCC", paper="black")
HighlightedIdentifier = Font(color="#ffffff", paper="black")
Paper = QColor("black")
Caret = QColor("white")
Margin = QColor("#333")
IndicatorError = QColor("white")
IndicatorStyle = QColor("cyan")
DebugStyle = QColor("#666")
IndicatorWordMatch = QColor("grey")
BraceBackground = QColor("white")
BraceForeground = QColor("black")
UnmatchedBraceBackground = QColor("#666")
UnmatchedBraceForeground = QColor("black")
BreakpointMarker = QColor("lightGrey")
# HTML
Tag = Keyword
UnknownTag = Tag
XMLTagEnd = Tag
XMLStart = Tag
XMLEnd = Tag
Attribute = ClassName
UnknownAttribute = Attribute
HTMLNumber = Number
HTMLDoubleQuotedString = DoubleQuotedString
HTMLSingleQuotedString = SingleQuotedString
OtherInTag = Default
HTMLComment = Comment
Entity = Operator
CDATA = Decorator
# CSS
ClassSelector = Tag
PseudoClass = ClassSelector
UnknownPseudoClass = ClassSelector
CSS1Property = (
CSS2Property
) = CSS3Property = UnknownProperty = SingleQuotedString
Value = Number
IDSelector = Tag
Important = UnmatchedBraceBackground
AtRule = Decorator
MediaRule = Decorator
Variable = HighlightedIdentifier
