Function entryDisabledReason

source/MRViewer/MRUITestEngineControl.cpp:62–69

Read the disabled-reason string off an internal entry. Empty means the entry accepts input. Groups are never disabled.

// Read the disabled-reason string off an internal entry. Empty means the entry accepts input.
// Groups are never disabled.
static std::string_view entryDisabledReason( const TestEngine::Entry& entry )
{
    return std::visit( MR::overloaded{
        []( const TestEngine::ButtonEntry& e ) -> std::string_view { return e.disabledReason; },
        []( const TestEngine::ValueEntry& e )  -> std::string_view { return e.disabledReason; },
        []( const TestEngine::GroupEntry& )    -> std::string_view { return {}; },
    }, entry.value );
}

// Compose the single user-facing status string from the entry's `disabledReason`.
// The reason covers every disable source — caller-supplied requirements, ImGui::BeginDisabled