def light_or_dark(self, is_dark):
""" set the UI to a light or dark scheme.
Qt doesn't seem to support controlling the MdiArea's background from a
style sheet. Set the widget directly and save the original color
to reset defaults.
"""
if not hasattr(self, 'mdi_background'):
self.mdi_background = self.mdi.background()
if is_dark:
self.qtapp.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
rgb = DarkPalette.color_palette()
self.mdi.setBackground(QColor(rgb['COLOR_BACKGROUND_NORMAL']))
else:
self.qtapp.setStyleSheet('')
self.mdi.setBackground(self.mdi_background)
return is_dark
def create_custom_qss(
name,
path,
color_background_light,
color_background_normal,
color_background_dark,
color_foreground_light,
color_foreground_normal,
color_foreground_dark,
color_selection_light,
color_selection_normal,
color_selection_dark,
border_radius,
):
"""
Create a custom palette based on the parameters defined.
The `name` must be a valid Python identifier and will be stored
as a lowercased folder (even if the identifier had uppercase letters).
This fuction returns the custom stylesheet pointing to resources stored at
.../path/name/.
"""
stylesheet = ''
# Check if name is valid
if is_identifier(name):
name = name if name[0].isupper() else name.capitalize()
else:
raise Exception('The custom palette name must be a valid Python '
'identifier!')
# Copy resources folder
rc_loc = os.path.basename(RC_PATH)
qss_loc = os.path.basename(QSS_PATH)
theme_root_path = os.path.join(path, name.lower())
theme_rc_path = os.path.join(theme_root_path, rc_loc)
if os.path.isdir(theme_root_path):
shutil.rmtree(theme_root_path)
shutil.copytree(RC_PATH, theme_rc_path)
# Copy QSS folder and contents
theme_qss_path = os.path.join(theme_root_path, qss_loc)
if os.path.isdir(theme_qss_path):
os.removedirs(theme_qss_path)
shutil.copytree(QSS_PATH, theme_qss_path)
# Create custom palette
custom_palette = type(name, (DarkPalette, ), {})
custom_palette.COLOR_BACKGROUND_LIGHT = color_background_light
custom_palette.COLOR_BACKGROUND_NORMAL = color_background_normal
custom_palette.COLOR_BACKGROUND_DARK = color_background_dark
custom_palette.COLOR_FOREGROUND_LIGHT = color_foreground_light
custom_palette.COLOR_FOREGROUND_NORMAL = color_foreground_normal
custom_palette.COLOR_FOREGROUND_DARK = color_foreground_dark
custom_palette.COLOR_SELECTION_LIGHT = color_selection_light
custom_palette.COLOR_SELECTION_NORMAL = color_selection_normal
custom_palette.COLOR_SELECTION_DARK = color_selection_dark
custom_palette.SIZE_BORDER_RADIUS = border_radius
custom_palette.PATH_RESOURCES = "'{}'".format(theme_root_path)
# Process images and save them to the custom platte rc folder
create_images(rc_path=theme_rc_path, palette=custom_palette)
create_palette_image(path=theme_root_path, palette=custom_palette)
# Compile SCSS
variables_scss_filepath = os.path.join(theme_qss_path, VARIABLES_SCSS_FILE)
theme_main_scss_filepath = os.path.join(theme_qss_path, MAIN_SCSS_FILE)
theme_qss_filepath = os.path.join(theme_root_path, QSS_FILE)
stylesheet = create_qss(
qss_filepath=theme_qss_filepath,
main_scss_filepath=theme_main_scss_filepath,
variables_scss_filepath=variables_scss_filepath,
palette=custom_palette,
)
# Update colors in text
with open(theme_main_scss_filepath, 'r') as fh:
data = fh.read()
for key, color in DarkPalette.color_palette().items():
custom_color = custom_palette.color_palette()[key].upper()
data = data.replace(color, custom_color)
stylesheet = stylesheet.replace(color, custom_color)
with open(theme_main_scss_filepath, 'w') as fh:
fh.write(data)
with open(theme_qss_filepath, 'w') as fh:
fh.write(stylesheet)
return stylesheet