qutebrowser/qutebrowser/config/style.py
2014-03-10 00:39:14 +01:00

128 lines
3.5 KiB
Python

# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser 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.
#
# qutebrowser 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 qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""Utilities related to the look&feel of qutebrowser."""
import qutebrowser.config.config as config
def get_stylesheet(template):
"""Format a stylesheet based on a template.
Args:
template: The stylesheet template as string.
Return:
The formatted template as string.
"""
cdict = config.config['colors'].values
fdict = config.config['fonts'].values
return template.strip().format(color=ColorDict(cdict),
font=FontDict(fdict))
class ColorDict(dict):
"""A dict aimed at Qt stylesheet colors."""
# FIXME we should validate colors in __setitem__ based on:
# http://qt-project.org/doc/qt-4.8/stylesheet-reference.html#brush
# http://www.w3.org/TR/CSS21/syndata.html#color-units
def __getitem__(self, key):
"""Override dict __getitem__.
Args:
key: The key to get from the dict.
Return:
If a value wasn't found, return an empty string.
(Color not defined, so no output in the stylesheet)
If the key has a .fg. element in it, return color: X;.
If the key has a .bg. element in it, return background-color: X;.
In all other cases, return the plain value.
"""
try:
val = super().__getitem__(key).value
except KeyError:
return ''
if 'fg' in key.split('.'):
return 'color: {};'.format(val)
elif 'bg' in key.split('.'):
return 'background-color: {};'.format(val)
else:
return val
def getraw(self, key):
"""Get a value without the transformations done in __getitem__.
Args:
key: The key to get from the dict.
Return:
A value, or None if the value wasn't found.
"""
try:
return super().__getitem__(key).value
except KeyError:
return None
class FontDict(dict):
"""A dict aimed at Qt stylesheet fonts."""
def __getitem__(self, key):
"""Override dict __getitem__.
Args:
key: The key to get from the dict.
Return:
If a value wasn't found, return an empty string.
(Color not defined, so no output in the stylesheet)
In all other cases, return font: <value>.
"""
try:
val = super().__getitem__(key).value
except KeyError:
return ''
else:
return 'font: {};'.format(val)
def getraw(self, key):
"""Get a value without the transformations done in __getitem__.
Args:
key: The key to get from the dict.
Return:
A value, or None if the value wasn't found.
"""
try:
return super().__getitem__(key).value
except KeyError:
return None