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# Copyright 2007-2016 Free Software Foundation, Inc.
# This file is part of GNU Radio
#
# GNU Radio Companion 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 2
# of the License, or (at your option) any later version.
#
# GNU Radio Companion 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
from __future__ import absolute_import
from . import Utils, Constants
from . import ParamWidgets
from .Element import Element
from ..core.Param import Param as _Param
class Param(Element, _Param):
"""The graphical parameter."""
def __init__(self, **kwargs):
Element.__init__(self)
_Param.__init__(self, **kwargs)
def get_input(self, *args, **kwargs):
"""
Get the graphical gtk class to represent this parameter.
An enum requires and combo parameter.
A non-enum with options gets a combined entry/combo parameter.
All others get a standard entry parameter.
Returns:
gtk input class
"""
if self.get_type() in ('file_open', 'file_save'):
input_widget_cls = ParamWidgets.FileParam
elif self.is_enum():
input_widget_cls = ParamWidgets.EnumParam
elif self.get_options():
input_widget_cls = ParamWidgets.EnumEntryParam
elif self.get_type() == '_multiline':
input_widget_cls = ParamWidgets.MultiLineEntryParam
elif self.get_type() == '_multiline_python_external':
input_widget_cls = ParamWidgets.PythonEditorParam
else:
input_widget_cls = ParamWidgets.EntryParam
return input_widget_cls(self, *args, **kwargs)
def format_label_markup(self, have_pending_changes=False):
block = self.parent
# fixme: using non-public attribute here
has_callback = \
hasattr(block, 'get_callbacks') and \
any(self.get_key() in callback for callback in block._callbacks)
return '<span underline="{line}" foreground="{color}" font_desc="Sans 9">{label}</span>'.format(
line='low' if has_callback else 'none',
color='blue' if have_pending_changes else
'black' if self.is_valid() else
'red',
label=Utils.encode(self.get_name())
)
def format_tooltip_text(self):
errors = self.get_error_messages()
tooltip_lines = ['Key: ' + self.get_key(), 'Type: ' + self.get_type()]
if self.is_valid():
value = str(self.get_evaluated())
if len(value) > 100:
value = '{}...{}'.format(value[:50], value[-50:])
tooltip_lines.append('Value: ' + value)
elif len(errors) == 1:
tooltip_lines.append('Error: ' + errors[0])
elif len(errors) > 1:
tooltip_lines.append('Error:')
tooltip_lines.extend(' * ' + msg for msg in errors)
return '\n'.join(tooltip_lines)
def format_block_surface_markup(self):
"""
Get the markup for this param.
Returns:
a pango markup string
"""
return '<span foreground="{color}" font_desc="{font}"><b>{label}:</b> {value}</span>'.format(
color='black' if self.is_valid() else 'red', font=Constants.PARAM_FONT,
label=Utils.encode(self.get_name()), value=Utils.encode(repr(self).replace('\n', ' '))
)
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