def integrate_descendant(self, descendant, name=None):
if isinstance(descendant, basestring):
descendant = presets.get_setting(descendant)
setting = descendant
descendant = setting.component_class()
descendant.integrate(self, name)
descendant.from_settings(setting)
return descendant
def from_settings(self, setting):
self.reset()
for n in setting.settings:
s = setting.get_setting(n)
if s is None:
continue
if isinstance(s, ComponentSetting):
self.integrate_descendant(s)
elif (isinstance(s, SettingComponentList) or
(isinstance(s, SettingList) and
issubclass(s.element_setting_type, ComponentSetting))):
for t in s.get_settings():
self.integrate_descendant(t)
else:
value = s.get_value()
if value is None:
value = self.propdefaults[n]
setattr(self, n, value)
if setting.name:
setting = presets.get_setting(setting.name)
self.fromsettings = setting
def get_options(self):
return []
def integrate(self, ancestor, name=None):
self.msaview_name = Overlay.integrate(self, ancestor, name)
msa = integrate_ancestor_msa(self, ancestor)
self.selection = msa.selection
return self.msaview_name
class SelectionSetting(ComponentSetting):
component_class = SelectionOverlay
presets.register_component_defaults(SelectionSetting)
presets.add_preset('font:ruler_default', presets.get_setting('font:default'))
class Ruler(Overlay):
__gproperties__ = dict(
font = (
gobject.TYPE_PYOBJECT,
'font',
'font for numbers on ruler',
gobject.PARAM_READWRITE),
msa = (
gobject.TYPE_PYOBJECT,
'msa',
'the msa to measure',
gobject.PARAM_READWRITE))
propdefaults = dict(alpha=1.0,
