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Code Issues Releases Wiki Activity

[lvgl] Allow text substitution for NaN (#11712)

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This commit is contained in:
Clyde Stubbs
2025-11-06 09:37:38 +10:00
committed by GitHub
parent ce5e608863
commit 20b6e0d5c2
4 changed files with 55 additions and 9 deletions
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16
esphome/components/lvgl/lv_validation.py
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@@ -33,7 +33,13 @@ from .defines import (
call_lambda,
literal,
)
from .helpers import add_lv_use, esphome_fonts_used, lv_fonts_used, requires_component
from .helpers import (
CONF_IF_NAN,
add_lv_use,
esphome_fonts_used,
lv_fonts_used,
requires_component,
)
from .types import lv_font_t, lv_gradient_t
opacity_consts = LvConstant("LV_OPA_", "TRANSP", "COVER")
@@ -412,7 +418,13 @@ class TextValidator(LValidator):
str_args = [str(x) for x in value[CONF_ARGS]]
arg_expr = cg.RawExpression(",".join(str_args))
format_str = cpp_string_escape(format_str)
return literal(f"str_sprintf({format_str}, {arg_expr}).c_str()")
sprintf_str = f"str_sprintf({format_str}, {arg_expr}).c_str()"
if nanval := value.get(CONF_IF_NAN):
nanval = cpp_string_escape(nanval)
return literal(
f"(std::isfinite({arg_expr}) ? {sprintf_str} : {nanval})"
)
return literal(sprintf_str)
if time_format := value.get(CONF_TIME_FORMAT):
source = value[CONF_TIME]
if isinstance(source, Lambda):