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fix(axparameter): clarify parameter name format for axparameter API #441

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fix(axparameter): clarify parameter name format for axparameter API #441

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16 changes: 15 additions & 1 deletion axparameter/app/axparameter.c
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Original file line number Diff line number Diff line change
Expand Up @@ -190,8 +190,22 @@ int main(void) {
syslog(LOG_INFO, "SerialNumber: '%s'", serial_number);
g_free(serial_number);

// Note: Most of axparameter API accepts both:
// - short names (e.g., "IsCustomized")
// - fully qualified names (e.g., "root.axparameter.IsCustomized").
//
// Both formats are internally converted to the fully qualified format with the "group" part set
// as the app_name passed to ax_parameter_new. The callback will always receive the fully
// qualified parameter name.
//
// Exception: ax_parameter_add() accepts only short names.

// Act on changes to IsCustomized as soon as they happen.
if (!ax_parameter_register_callback(handle, "IsCustomized", parameter_changed, handle, &error))
if (!ax_parameter_register_callback(handle,
"root." APP_NAME ".IsCustomized",
parameter_changed,
handle,
&error))
panic("%s", error->message);

// Register the same callback for CustomValue, even though that parameter does not exist yet!
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