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# gtk_layout.py
#
# Copyright 2021 James Westman <james@jwestman.net>
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.
#
# This file 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# SPDX-License-Identifier: LGPL-3.0-or-later
from .common import *
from .contexts import ValueTypeCtx
from .gobject_object import ObjectContent, validate_parent_type
from .values import Value
class LayoutProperty(AstNode):
grammar = Statement(UseIdent("name"), ":", Err(Value, "Expected a value"))
tag_name = "property"
@property
def name(self) -> str:
return self.tokens["name"]
@property
def value(self) -> Value:
return self.children[Value][0]
@property
def document_symbol(self) -> DocumentSymbol:
return DocumentSymbol(
self.name,
SymbolKind.Field,
self.range,
self.group.tokens["name"].range,
self.value.range.text,
)
@context(ValueTypeCtx)
def value_type(self) -> ValueTypeCtx:
# there isn't really a way to validate these
return ValueTypeCtx(None)
@validate("name")
def unique_in_parent(self):
self.validate_unique_in_parent(
f"Duplicate layout property '{self.name}'",
check=lambda child: child.name == self.name,
)
class ExtLayout(AstNode):
grammar = Sequence(
Keyword("layout"),
"{",
Until(LayoutProperty, "}"),
)
@property
def document_symbol(self) -> DocumentSymbol:
return DocumentSymbol(
"layout",
SymbolKind.Struct,
self.range,
self.group.tokens["layout"].range,
)
@validate("layout")
def container_is_widget(self):
validate_parent_type(self, "Gtk", "Widget", "layout properties")
@validate("layout")
def unique_in_parent(self):
self.validate_unique_in_parent("Duplicate layout block")
@docs("layout")
def ref_docs(self):
return get_docs_section("Syntax ExtLayout")
@completer(
applies_in=[ObjectContent],
applies_in_subclass=("Gtk", "Widget"),
matches=new_statement_patterns,
)
def layout_completer(lsp, ast_node, match_variables):
yield Completion("layout", CompletionItemKind.Snippet, snippet="layout {\n $0\n}")
@decompiler("layout")
def decompile_layout(ctx, gir):
ctx.print("layout {")
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