cogito/esphome_dev/esphome/components/lvgl/number/__init__.py

66 lines
2.1 KiB
Python

import esphome.codegen as cg
from esphome.components import number
import esphome.config_validation as cv
from esphome.const import CONF_RESTORE_VALUE
from esphome.cpp_generator import MockObj
from ..defines import CONF_ANIMATED, CONF_UPDATE_ON_RELEASE, CONF_WIDGET
from ..lv_validation import animated
from ..lvcode import (
API_EVENT,
EVENT_ARG,
UPDATE_EVENT,
LambdaContext,
ReturnStatement,
lv,
lvgl_static,
)
from ..types import LV_EVENT, LvNumber, lvgl_ns
from ..widgets import get_widgets, wait_for_widgets
LVGLNumber = lvgl_ns.class_("LVGLNumber", number.Number, cg.Component)
CONFIG_SCHEMA = number.number_schema(LVGLNumber).extend(
{
cv.Required(CONF_WIDGET): cv.use_id(LvNumber),
cv.Optional(CONF_ANIMATED, default=True): animated,
cv.Optional(CONF_UPDATE_ON_RELEASE, default=False): cv.boolean,
cv.Optional(CONF_RESTORE_VALUE, default=False): cv.boolean,
}
)
async def to_code(config):
widget = await get_widgets(config, CONF_WIDGET)
widget = widget[0]
await wait_for_widgets()
async with LambdaContext([], return_type=cg.float_) as value:
value.add(ReturnStatement(widget.get_value()))
async with LambdaContext([(cg.float_, "v")]) as control:
await widget.set_property(
"value", MockObj("v") * MockObj(widget.get_scale()), config[CONF_ANIMATED]
)
lv.event_send(widget.obj, API_EVENT, cg.nullptr)
event_code = (
LV_EVENT.VALUE_CHANGED
if not config[CONF_UPDATE_ON_RELEASE]
else LV_EVENT.RELEASED
)
var = await number.new_number(
config,
await control.get_lambda(),
await value.get_lambda(),
event_code,
config[CONF_RESTORE_VALUE],
max_value=widget.get_max(),
min_value=widget.get_min(),
step=widget.get_step(),
)
async with LambdaContext(EVENT_ARG) as event:
event.add(var.on_value())
await cg.register_component(var, config)
cg.add(
lvgl_static.add_event_cb(
widget.obj, await event.get_lambda(), UPDATE_EVENT, event_code
)
)