blueprint-compiler/blueprintcompiler/extensions/gtk_layout.py
James Westman 544d152fb6
Rename to blueprint-compiler
This isn't an official GTK project so better to avoid using "GTK" in the
name.
2021-12-01 15:35:58 -06:00

80 lines
2.1 KiB
Python

# 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 ..ast import BaseAttribute
from ..ast_utils import AstNode, validate
from ..completions_utils import *
from ..lsp_utils import Completion, CompletionItemKind
from ..parse_tree import *
from ..parser_utils import *
from ..xml_emitter import XmlEmitter
class Layout(AstNode):
@validate("layout")
def container_is_widget(self):
self.validate_parent_type("Gtk", "Widget", "layout properties")
def emit_xml(self, xml: XmlEmitter):
xml.start_tag("layout")
for child in self.children:
child.emit_xml(xml)
xml.end_tag()
class LayoutProperty(BaseAttribute):
tag_name = "property"
@property
def value_type(self):
# there isn't really a way to validate these
return None
layout_prop = Group(
LayoutProperty,
Statement(
UseIdent("name"),
Op(":"),
value.expected("a value"),
)
)
layout = Group(
Layout,
Sequence(
Keyword("layout", True),
OpenBlock(),
Until(layout_prop, CloseBlock()),
)
)
@completer(
applies_in=[ast.ObjectContent],
applies_in_subclass=("Gtk", "Widget"),
matches=new_statement_patterns,
)
def layout_completer(ast_node, match_variables):
yield Completion(
"layout", CompletionItemKind.Snippet,
snippet="layout {\n $0\n}"
)