blueprint-compiler/blueprintcompiler/language/gtk_size_group.py
2025-05-03 14:27:44 -05:00

123 lines
3.6 KiB
Python

# gtk_size_group.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 ScopeCtx
from .gobject_object import ObjectContent, validate_parent_type
class Widget(AstNode):
grammar = UseIdent("name")
@property
def name(self) -> str:
return self.tokens["name"]
@property
def document_symbol(self) -> DocumentSymbol:
return DocumentSymbol(
self.name,
SymbolKind.Field,
self.range,
self.group.tokens["name"].range,
)
def get_reference(self, _idx: int) -> T.Optional[LocationLink]:
if obj := self.context[ScopeCtx].objects.get(self.name):
return LocationLink(self.range, obj.range, obj.ranges["id"])
else:
return None
@validate("name")
def obj_widget(self):
object = self.context[ScopeCtx].objects.get(self.tokens["name"])
type = self.root.gir.get_type("Widget", "Gtk")
if object is None:
raise CompileError(
f"Could not find object with ID {self.tokens['name']}",
did_you_mean=(
self.tokens["name"],
self.context[ScopeCtx].objects.keys(),
),
)
elif object.gir_class and not object.gir_class.assignable_to(type):
raise CompileError(
f"Cannot assign {object.gir_class.full_name} to {type.full_name}"
)
@validate("name")
def unique_in_parent(self):
self.validate_unique_in_parent(
f"Object '{self.name}' is listed twice", lambda x: x.name == self.name
)
class ExtSizeGroupWidgets(AstNode):
grammar = [
Keyword("widgets"),
"[",
Delimited(Widget, ","),
"]",
]
@property
def document_symbol(self) -> DocumentSymbol:
return DocumentSymbol(
"widgets",
SymbolKind.Array,
self.range,
self.group.tokens["widgets"].range,
)
@validate("widgets")
def container_is_size_group(self):
validate_parent_type(self, "Gtk", "SizeGroup", "size group properties")
@validate("widgets")
def unique_in_parent(self):
self.validate_unique_in_parent("Duplicate widgets block")
@docs("widgets")
def ref_docs(self):
return get_docs_section("Syntax ExtSizeGroupWidgets")
@completer(
applies_in=[ObjectContent],
applies_in_subclass=[("Gtk", "SizeGroup")],
matches=new_statement_patterns,
)
def size_group_completer(_ctx: CompletionContext):
yield Completion(
"widgets",
CompletionItemKind.Snippet,
snippet="widgets [$0]",
sort_text=get_sort_key(CompletionPriority.OBJECT_MEMBER, "widgets"),
)
@decompiler("widgets")
def size_group_decompiler(ctx, gir: gir.GirContext):
ctx.print("widgets [")
@decompiler("widget")
def widget_decompiler(ctx, gir: gir.GirContext, name: str):
ctx.print(name + ",")