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mirror of https://github.com/esphome/esphome.git synced 2025-03-14 06:38:17 +00:00
2024-10-17 14:03:48 +13:00

76 lines
2.3 KiB
Python

from esphome import automation
import esphome.codegen as cg
from esphome.const import CONF_ID, CONF_ON_VALUE, CONF_TRIGGER_ID
from .defines import (
CONF_ALIGN,
CONF_ALIGN_TO,
CONF_X,
CONF_Y,
LV_EVENT_MAP,
LV_EVENT_TRIGGERS,
literal,
)
from .lvcode import (
API_EVENT,
EVENT_ARG,
UPDATE_EVENT,
LambdaContext,
LvConditional,
lv,
lv_add,
lv_event_t_ptr,
)
from .types import LV_EVENT
from .widgets import widget_map
async def generate_triggers(lv_component):
"""
Generate LVGL triggers for all defined widgets
Must be done after all widgets completed
:param lv_component: The parent component
:return:
"""
for w in widget_map.values():
if w.config:
for event, conf in {
event: conf
for event, conf in w.config.items()
if event in LV_EVENT_TRIGGERS
}.items():
conf = conf[0]
w.add_flag("LV_OBJ_FLAG_CLICKABLE")
event = literal("LV_EVENT_" + LV_EVENT_MAP[event[3:].upper()])
await add_trigger(conf, lv_component, w, event)
for conf in w.config.get(CONF_ON_VALUE, ()):
await add_trigger(
conf,
lv_component,
w,
LV_EVENT.VALUE_CHANGED,
API_EVENT,
UPDATE_EVENT,
)
# Generate align to directives while we're here
if align_to := w.config.get(CONF_ALIGN_TO):
target = widget_map[align_to[CONF_ID]].obj
align = literal(align_to[CONF_ALIGN])
x = align_to[CONF_X]
y = align_to[CONF_Y]
lv.obj_align_to(w.obj, target, align, x, y)
async def add_trigger(conf, lv_component, w, *events):
tid = conf[CONF_TRIGGER_ID]
trigger = cg.new_Pvariable(tid)
args = w.get_args() + [(lv_event_t_ptr, "event")]
value = w.get_values()
await automation.build_automation(trigger, args, conf)
async with LambdaContext(EVENT_ARG, where=tid) as context:
with LvConditional(w.is_selected()):
lv_add(trigger.trigger(*value, literal("event")))
lv_add(lv_component.add_event_cb(w.obj, await context.get_lambda(), *events))