esphome/esphome/components/display/__init__.py
Guillermo Ruffino 69879920eb
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Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import core, automation
from esphome.automation import maybe_simple_id
from esphome.const import CONF_ID, CONF_LAMBDA, CONF_PAGES, CONF_ROTATION
from esphome.core import coroutine, coroutine_with_priority
IS_PLATFORM_COMPONENT = True
display_ns = cg.esphome_ns.namespace("display")
DisplayBuffer = display_ns.class_("DisplayBuffer")
DisplayPage = display_ns.class_("DisplayPage")
DisplayPagePtr = DisplayPage.operator("ptr")
DisplayBufferRef = DisplayBuffer.operator("ref")
DisplayPageShowAction = display_ns.class_("DisplayPageShowAction", automation.Action)
DisplayPageShowNextAction = display_ns.class_(
"DisplayPageShowNextAction", automation.Action
)
DisplayPageShowPrevAction = display_ns.class_(
"DisplayPageShowPrevAction", automation.Action
)
DISPLAY_ROTATIONS = {
0: display_ns.DISPLAY_ROTATION_0_DEGREES,
90: display_ns.DISPLAY_ROTATION_90_DEGREES,
180: display_ns.DISPLAY_ROTATION_180_DEGREES,
270: display_ns.DISPLAY_ROTATION_270_DEGREES,
}
def validate_rotation(value):
value = cv.string(value)
if value.endswith("°"):
value = value[:-1]
return cv.enum(DISPLAY_ROTATIONS, int=True)(value)
BASIC_DISPLAY_SCHEMA = cv.Schema(
{
cv.Optional(CONF_LAMBDA): cv.lambda_,
}
)
FULL_DISPLAY_SCHEMA = BASIC_DISPLAY_SCHEMA.extend(
{
cv.Optional(CONF_ROTATION): validate_rotation,
cv.Optional(CONF_PAGES): cv.All(
cv.ensure_list(
{
cv.GenerateID(): cv.declare_id(DisplayPage),
cv.Required(CONF_LAMBDA): cv.lambda_,
}
),
cv.Length(min=1),
),
}
)
@coroutine
def setup_display_core_(var, config):
if CONF_ROTATION in config:
cg.add(var.set_rotation(DISPLAY_ROTATIONS[config[CONF_ROTATION]]))
if CONF_PAGES in config:
pages = []
for conf in config[CONF_PAGES]:
lambda_ = yield cg.process_lambda(
conf[CONF_LAMBDA], [(DisplayBufferRef, "it")], return_type=cg.void
)
page = cg.new_Pvariable(conf[CONF_ID], lambda_)
pages.append(page)
cg.add(var.set_pages(pages))
@coroutine
def register_display(var, config):
yield setup_display_core_(var, config)
@automation.register_action(
"display.page.show",
DisplayPageShowAction,
maybe_simple_id(
{
cv.Required(CONF_ID): cv.templatable(cv.use_id(DisplayPage)),
}
),
)
def display_page_show_to_code(config, action_id, template_arg, args):
var = cg.new_Pvariable(action_id, template_arg)
if isinstance(config[CONF_ID], core.Lambda):
template_ = yield cg.templatable(config[CONF_ID], args, DisplayPagePtr)
cg.add(var.set_page(template_))
else:
paren = yield cg.get_variable(config[CONF_ID])
cg.add(var.set_page(paren))
yield var
@automation.register_action(
"display.page.show_next",
DisplayPageShowNextAction,
maybe_simple_id(
{
cv.Required(CONF_ID): cv.templatable(cv.use_id(DisplayBuffer)),
}
),
)
def display_page_show_next_to_code(config, action_id, template_arg, args):
paren = yield cg.get_variable(config[CONF_ID])
yield cg.new_Pvariable(action_id, template_arg, paren)
@automation.register_action(
"display.page.show_previous",
DisplayPageShowPrevAction,
maybe_simple_id(
{
cv.Required(CONF_ID): cv.templatable(cv.use_id(DisplayBuffer)),
}
),
)
def display_page_show_previous_to_code(config, action_id, template_arg, args):
paren = yield cg.get_variable(config[CONF_ID])
yield cg.new_Pvariable(action_id, template_arg, paren)
@coroutine_with_priority(100.0)
def to_code(config):
cg.add_global(display_ns.using)