from pathlib import Path
from typing import List, Optional
from napari._qt.qt_resources._svg import QColoredSVGIcon
from napari.settings import get_settings
__all__ = ['get_stylesheet', 'QColoredSVGIcon']
STYLE_PATH = (Path(__file__).parent / 'styles').resolve()
STYLES = {x.stem: str(x) for x in STYLE_PATH.iterdir() if x.suffix == '.qss'}
[docs]def get_stylesheet(
theme_id: str = None, extra: Optional[List[str]] = None
) -> str:
"""Combine all qss files into single, possibly pre-themed, style string.
Parameters
----------
theme : str, optional
Theme to apply to the stylesheet. If no theme is provided, the returned
stylesheet will still have ``{{ template_variables }}`` that need to be
replaced using the :func:`napari.utils.theme.template` function prior
to using the stylesheet.
extra : list of str, optional
Additional paths to QSS files to include in stylesheet, by default None
Returns
-------
css : str
The combined stylesheet.
"""
stylesheet = ''
for key in sorted(STYLES.keys()):
file = STYLES[key]
with open(file) as f:
stylesheet += f.read()
if extra:
for file in extra:
with open(file) as f:
stylesheet += f.read()
if theme_id:
from napari.utils.theme import get_theme, template
return template(stylesheet, **get_theme(theme_id, as_dict=True))
return stylesheet
[docs]def get_current_stylesheet(extra: Optional[List[str]] = None) -> str:
"""
Return the current stylesheet base on settings. This is wrapper around
:py:func:`get_stylesheet` that takes the current theme base on settings.
Parameters
----------
extra : list of str, optional
Additional paths to QSS files to include in stylesheet, by default None
Returns
-------
css : str
The combined stylesheet.
"""
settings = get_settings()
return get_stylesheet(settings.appearance.theme, extra)