mirror of
https://github.com/Threnklyn/esphome-dev.git
synced 2026-05-19 04:33:27 +02:00
Clyde Stubbs
51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
import functools
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from ..defines import CONF_MAIN, literal
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from ..lvcode import lv
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from ..types import LvType
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from . import Widget, WidgetType
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CONF_LINE = "line"
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CONF_POINTS = "points"
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CONF_POINT_LIST_ID = "point_list_id"
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lv_point_t = cg.global_ns.struct("lv_point_t")
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def point_list(il):
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il = cv.string(il)
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nl = il.replace(" ", "").split(",")
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return [int(n) for n in nl]
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def cv_point_list(value):
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if not isinstance(value, list):
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raise cv.Invalid("List of points required")
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values = [point_list(v) for v in value]
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if not functools.reduce(lambda f, v: f and len(v) == 2, values, True):
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raise cv.Invalid("Points must be a list of x,y integer pairs")
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return values
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LINE_SCHEMA = {
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cv.Required(CONF_POINTS): cv_point_list,
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cv.GenerateID(CONF_POINT_LIST_ID): cv.declare_id(lv_point_t),
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}
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class LineType(WidgetType):
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def __init__(self):
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super().__init__(CONF_LINE, LvType("lv_line_t"), (CONF_MAIN,), LINE_SCHEMA)
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async def to_code(self, w: Widget, config):
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"""For a line object, create and add the points"""
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data = literal(config[CONF_POINTS])
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points = cg.static_const_array(config[CONF_POINT_LIST_ID], data)
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lv.line_set_points(w.obj, points, len(data))
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line_spec = LineType()
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