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79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
# gtk_layout.py
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#
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# Copyright 2021 James Westman <james@jwestman.net>
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# SPDX-License-Identifier: LGPL-3.0-or-later
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from .common import *
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from .contexts import ValueTypeCtx
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from .gobject_object import ObjectContent, validate_parent_type
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from .values import Value
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class LayoutProperty(AstNode):
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grammar = Statement(UseIdent("name"), ":", Err(Value, "Expected a value"))
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tag_name = "property"
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@property
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def name(self) -> str:
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return self.tokens["name"]
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@property
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def value(self) -> Value:
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return self.children[Value][0]
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@context(ValueTypeCtx)
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def value_type(self) -> ValueTypeCtx:
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# there isn't really a way to validate these
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return ValueTypeCtx(None)
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@validate("name")
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def unique_in_parent(self):
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self.validate_unique_in_parent(
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f"Duplicate layout property '{self.name}'",
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check=lambda child: child.name == self.name,
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)
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class ExtLayout(AstNode):
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grammar = Sequence(
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Keyword("layout"),
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"{",
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Until(LayoutProperty, "}"),
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)
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@validate("layout")
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def container_is_widget(self):
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validate_parent_type(self, "Gtk", "Widget", "layout properties")
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@validate("layout")
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def unique_in_parent(self):
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self.validate_unique_in_parent("Duplicate layout block")
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@completer(
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applies_in=[ObjectContent],
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applies_in_subclass=("Gtk", "Widget"),
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matches=new_statement_patterns,
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)
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def layout_completer(ast_node, match_variables):
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yield Completion("layout", CompletionItemKind.Snippet, snippet="layout {\n $0\n}")
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@decompiler("layout")
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def decompile_layout(ctx, gir):
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ctx.print("layout {")
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