# Released under the MIT License. See LICENSE for details.
#
"""Full UIs defined in the cloud - similar to a basic form of html"""
from __future__ import annotations
from enum import Enum
from dataclasses import dataclass, field
from typing import Annotated, override, assert_never
from efro.dataclassio import ioprepped, IOAttrs, IOMultiType
import bacommon.displayitem as ditm
import bacommon.clienteffect as clfx
from bacommon.decui._decui import (
DecUIRequest,
DecUIRequestTypeID,
DecUIResponse,
DecUIResponseTypeID,
)
[docs]
class RequestMethod(Enum):
"""Typeof of requests that can be made to dec-ui servers."""
#: An unknown request method. This can appear if a newer client is
#: requesting some method from an older server that is not known to
#: the server.
UNKNOWN = 'u'
#: Fetch some resource. This can be retried and its results can
#: optionally be cached for some amount of time.
GET = 'g'
#: Change some resource. This cannot be implicitly retried (at least
#: without deduplication), nor can it be cached.
POST = 'p'
[docs]
@ioprepped
@dataclass
class Request(DecUIRequest):
"""Full request to dec-ui."""
path: str
method: RequestMethod = RequestMethod.GET
args: dict = field(
default_factory=dict
)
[docs]
@override
@classmethod
def get_type_id(cls) -> DecUIRequestTypeID:
return DecUIRequestTypeID.V1
[docs]
class ActionTypeID(Enum):
"""Type ID for each of our subclasses."""
BROWSE = 'b'
REPLACE = 'r'
LOCAL = 'l'
UNKNOWN = 'u'
[docs]
class Action(IOMultiType[ActionTypeID]):
"""Top level class for our multitype."""
[docs]
@override
@classmethod
def get_type_id(cls) -> ActionTypeID:
# Require child classes to supply this themselves. If we did a
# full type registry/lookup here it would require us to import
# everything and would prevent lazy loading.
raise NotImplementedError()
[docs]
@override
@classmethod
def get_type(cls, type_id: ActionTypeID) -> type[Action]:
"""Return the subclass for each of our type-ids."""
# pylint: disable=cyclic-import
t = ActionTypeID
if type_id is t.BROWSE:
return Browse
if type_id is t.REPLACE:
return Replace
if type_id is t.LOCAL:
return Local
if type_id is t.UNKNOWN:
return UnknownAction
# Important to make sure we provide all types.
assert_never(type_id)
[docs]
@override
@classmethod
def get_type_id_storage_name(cls) -> str:
return '_t'
[docs]
@override
@classmethod
def get_unknown_type_fallback(cls) -> Action:
# If we encounter some future type we don't know anything about,
# drop in a placeholder.
return UnknownAction()
[docs]
@ioprepped
@dataclass
class UnknownAction(Action):
"""Action type we don't recognize."""
[docs]
@override
@classmethod
def get_type_id(cls) -> ActionTypeID:
return ActionTypeID.UNKNOWN
[docs]
@ioprepped
@dataclass
class Browse(Action):
"""Browse to a new page in a new window."""
request: Request
#: Plays a swish.
default_sound: bool = True
#: Client-effects to run immediately when the button is pressed.
#:
#: :meta private:
immediate_client_effects: list[clfx.Effect] = field(default_factory=list)
#: Local action to run immediately when the button is pressed. Will
#: be handled by
#: :meth:`bauiv1lib.decui.DecUIController.local_action()`.
immediate_local_action: str | None = None
immediate_local_action_args: dict | None = None
[docs]
@override
@classmethod
def get_type_id(cls) -> ActionTypeID:
return ActionTypeID.BROWSE
[docs]
@ioprepped
@dataclass
class Replace(Action):
"""Replace current page with a new one.
Should be used to effectively 'modify' existing UIs by replacing
them with something slightly different. Things like scroll position
and selection will be carried across to the new layout when possible
to make for a seamless transition.
"""
request: Request
#: Plays a click if triggered by a button press.
default_sound: bool = True
#: Client-effects to run immediately when the button is pressed.
#:
#: :meta private:
immediate_client_effects: list[clfx.Effect] = field(default_factory=list)
#: Local action to run immediately when the button is pressed. Will
#: be handled by
#: :meth:`bauiv1lib.decui.DecUIController.local_action()`.
immediate_local_action: str | None = None
immediate_local_action_args: dict | None = None
[docs]
@override
@classmethod
def get_type_id(cls) -> ActionTypeID:
return ActionTypeID.REPLACE
[docs]
@ioprepped
@dataclass
class Local(Action):
"""Perform only local actions; no new requests or page changes."""
close_window: bool = False
#: Plays a swish if closing the window or a click if triggered by a
#: button press.
default_sound: bool = True
#: Client-effects to run immediately when the button is pressed.
#:
#: :meta private:
immediate_client_effects: list[clfx.Effect] = field(default_factory=list)
#: Local action to run immediately when the button is pressed. Will
#: be handled by
#: :meth:`bauiv1lib.decui.DecUIController.local_action()`.
immediate_local_action: str | None = None
immediate_local_action_args: dict | None = None
[docs]
@override
@classmethod
def get_type_id(cls) -> ActionTypeID:
return ActionTypeID.LOCAL
[docs]
class HAlign(Enum):
"""Horizontal alignment."""
LEFT = 'l'
CENTER = 'c'
RIGHT = 'r'
[docs]
class VAlign(Enum):
"""Vertical alignment."""
TOP = 't'
CENTER = 'c'
BOTTOM = 'b'
[docs]
class DecorationTypeID(Enum):
"""Type ID for each of our subclasses."""
UNKNOWN = 'u'
TEXT = 't'
IMAGE = 'i'
DISPLAY_ITEM = 'd'
[docs]
class Decoration(IOMultiType[DecorationTypeID]):
"""Top level class for our multitype."""
[docs]
@override
@classmethod
def get_type_id(cls) -> DecorationTypeID:
# Require child classes to supply this themselves. If we did a
# full type registry/lookup here it would require us to import
# everything and would prevent lazy loading.
raise NotImplementedError()
[docs]
@override
@classmethod
def get_type(cls, type_id: DecorationTypeID) -> type[Decoration]:
# pylint: disable=cyclic-import
t = DecorationTypeID
if type_id is t.UNKNOWN:
return UnknownDecoration
if type_id is t.TEXT:
return Text
if type_id is t.IMAGE:
return Image
if type_id is t.DISPLAY_ITEM:
return DisplayItem
# Important to make sure we provide all types.
assert_never(type_id)
[docs]
@override
@classmethod
def get_unknown_type_fallback(cls) -> Decoration:
# If we encounter some future type we don't know anything about,
# drop in a placeholder.
return UnknownDecoration()
[docs]
@override
@classmethod
def get_type_id_storage_name(cls) -> str:
return '_t'
[docs]
@ioprepped
@dataclass
class UnknownDecoration(Decoration):
"""An unknown decoration.
In practice these should never show up since the master-server
generates these on the fly for the client and so should not send
clients one they can't digest.
"""
[docs]
@override
@classmethod
def get_type_id(cls) -> DecorationTypeID:
return DecorationTypeID.UNKNOWN
[docs]
@ioprepped
@dataclass
class Text(Decoration):
"""Text decoration."""
#: Note that dec-ui accepts only raw :class:`str` values for text;
#: use :meth:`babase.Lstr.evaluate()` or whatnot for multi-language
#: support.
text: str
position: tuple[float, float]
#: Note that this effectively is max-width and max-height.
size: tuple[float, float]
scale: float = 1.0
h_align: HAlign = (
HAlign.CENTER
)
v_align: VAlign = (
VAlign.CENTER
)
color: tuple[float, float, float, float] | None = None
flatness: float | None = None
shadow: float | None = None
is_lstr: bool = False
highlight: bool = True
depth_range: tuple[float, float] | None = None
#: Show max-width/height bounds; useful during development.
debug: bool = False
[docs]
@override
@classmethod
def get_type_id(cls) -> DecorationTypeID:
return DecorationTypeID.TEXT
[docs]
@ioprepped
@dataclass
class Image(Decoration):
"""Image decoration."""
texture: str
position: tuple[float, float]
size: tuple[float, float]
color: tuple[float, float, float, float] | None = None
h_align: HAlign = (
HAlign.CENTER
)
v_align: VAlign = (
VAlign.CENTER
)
tint_texture: str | None = (
None
)
tint_color: tuple[float, float, float] | None = None
tint2_color: tuple[float, float, float] | None = None
mask_texture: str | None = (
None
)
mesh_opaque: str | None = (
None
)
mesh_transparent: str | None = None
highlight: bool = True
depth_range: tuple[float, float] | None = None
[docs]
@override
@classmethod
def get_type_id(cls) -> DecorationTypeID:
return DecorationTypeID.IMAGE
[docs]
class DisplayItemStyle(Enum):
"""Styles a display-item can be drawn in."""
FULL = 'f'
COMPACT = 'c'
[docs]
@ioprepped
@dataclass
class DisplayItem(Decoration):
"""DisplayItem decoration."""
wrapper: ditm.Wrapper
position: tuple[float, float]
size: tuple[float, float]
style: DisplayItemStyle = (
DisplayItemStyle.FULL
)
text_color: tuple[float, float, float] | None = None
highlight: bool = True
depth_range: tuple[float, float] | None = None
debug: bool = False
[docs]
@override
@classmethod
def get_type_id(cls) -> DecorationTypeID:
return DecorationTypeID.DISPLAY_ITEM
[docs]
class RowTypeID(Enum):
"""Type ID for each of our subclasses."""
BUTTON_ROW = 'b'
UNKNOWN = 'u'
[docs]
class Row(IOMultiType[RowTypeID]):
"""Top level class for our multitype."""
[docs]
@override
@classmethod
def get_type_id(cls) -> RowTypeID:
# Require child classes to supply this themselves. If we did a
# full type registry/lookup here it would require us to import
# everything and would prevent lazy loading.
raise NotImplementedError()
[docs]
@override
@classmethod
def get_type(cls, type_id: RowTypeID) -> type[Row]:
"""Return the subclass for each of our type-ids."""
# pylint: disable=cyclic-import
t = RowTypeID
if type_id is t.UNKNOWN:
return UnknownRow
if type_id is t.BUTTON_ROW:
return ButtonRow
# Important to make sure we provide all types.
assert_never(type_id)
[docs]
@override
@classmethod
def get_unknown_type_fallback(cls) -> Row:
# If we encounter some future type we don't know anything about,
# drop in a placeholder.
return UnknownRow()
[docs]
@override
@classmethod
def get_type_id_storage_name(cls) -> str:
return '_t'
[docs]
@ioprepped
@dataclass
class UnknownRow(Row):
"""A row type we don't have."""
[docs]
@override
@classmethod
def get_type_id(cls) -> RowTypeID:
return RowTypeID.UNKNOWN
[docs]
@ioprepped
@dataclass
class Page:
"""Dec-UI page version 1."""
#: Note that dec-ui accepts only raw :class:`str` values for text;
#: use :meth:`babase.Lstr.evaluate()` or whatnot for multi-language
#: support.
title: str
rows: list[Row]
#: If True, content smaller than the available height will be
#: centered vertically. This can look natural for certain types of
#: content such as confirmation dialogs.
center_vertically: bool = (
False
)
row_spacing: float = 10.0
#: If things disappear when scrolling up and down, turn this up.
simple_culling_v: float = (
100.0
)
#: Whether the title is a json dict representing an Lstr. Generally
#: dec-ui translation should be handled server-side, but this can
#: allow client-side translation.
title_is_lstr: bool = False
padding_bottom: float = 0.0
padding_left: float = 0.0
padding_top: float = 0.0
padding_right: float = 0.0
[docs]
class StatusCode(Enum):
"""The overall result of a request."""
SUCCESS = 0
UNKNOWN_ERROR = 1
[docs]
@ioprepped
@dataclass
class Response(DecUIResponse):
"""Full decui response."""
page: Page
status: StatusCode = (
StatusCode.SUCCESS
)
#: Effects to run on the client when this response is initially
#: received. Note that these effects will not re-run if the page is
#: automatically refreshed later (due to window resizing, back
#: navigation, etc).
#:
#: :meta private:
client_effects: list[clfx.Effect] = field(default_factory=list)
#: Local action to run after this response is initially received.
#: Will be handled by
#: :meth:`bauiv1lib.decui.DecUIController.local_action()`. Note
#: that these actions will not re-run if the page is automatically
#: refreshed later (due to window resizing, back navigation, etc).
local_action: str | None = (
None
)
local_action_args: dict | None = None
#: New overall action to have the client schedule after this response
#: is received. Useful for redirecting to other pages or closing the
#: dec-ui window.
timed_action: Action | None = None
timed_action_delay: float = 0.0
#: If provided, error on builds older than this (can be used to gate
#: functionality without bumping entire decui version).
minimum_engine_build: int | None = None
#: The client maintains some persistent state (such as widget
#: selection) for all pages viewed. The default index for these
#: states is the path of the request. If a server returns a
#: significant variety of responses for a single path, however,
#: (based on args, etc) then it may make sense for the server to
#: provide explicit state ids for those different variations.
shared_state_id: str | None = None
[docs]
@override
@classmethod
def get_type_id(cls) -> DecUIResponseTypeID:
return DecUIResponseTypeID.V1
# Docs-generation hack; import some stuff that we likely only forward-declared
# in our actual source code so that docs tools can find it.
from typing import (Coroutine, Any, Literal, Callable,
Generator, Awaitable, Sequence, Self)
import asyncio
from concurrent.futures import Future
from pathlib import Path
from enum import Enum