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fix: hide the extruder switch on single-variant printers (#14930)

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This commit is contained in:
Kris Austin
2026-07-25 16:46:55 -05:00
committed by GitHub
parent 68ce4da19f
commit 11fdb472d6
2 changed files with 37 additions and 1 deletions
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4
src/slic3r/GUI/Tab.cpp
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@@ -8000,7 +8000,9 @@ void Tab::update_extruder_variants(int extruder_id, bool reload)
m_actual_nozzle_volumes.resize(extruder_nums, NozzleVolumeType::nvtStandard);
for (int i = 0; i < extruder_nums; i++) m_actual_nozzle_volumes[i] = (NozzleVolumeType)nozzle_volumes->values[i];
if (extruder_nums == 2) {
// Orca: a non-Bambu dual-nozzle printer has two extruders but a single variant column, so
// the nozzle switch and sync button have nothing to act on. Only enable with real variants.
if (extruder_nums == 2 && m_preset_bundle->support_different_extruders()) {
auto options = generate_extruder_options();
m_extruder_switch->SetOptions(options);

34
tests/libslic3r/test_config_variant_expansion.cpp
View File

@@ -58,6 +58,40 @@ TEST_CASE("apply_override fills nil entries from the 0-based default index", "[C
}
}
TEST_CASE("support_different_extruders is true only when the printer defines more than one variant column", "[Config]")
{
int extruder_count = 0;
SECTION("a non-Bambu dual-nozzle printer with one variant column reports false") {
DynamicPrintConfig config;
config.option<ConfigOptionFloats>("nozzle_diameter", true)->values = {0.4, 0.4};
// Both extruders resolve to the same default variant, so there is only one column.
config.option<ConfigOptionStrings>("extruder_variant_list", true)->values = {"Direct Drive Standard",
"Direct Drive Standard"};
REQUIRE(config.support_different_extruders(extruder_count) == false);
REQUIRE(extruder_count == 2);
}
SECTION("a Bambu H2D-style printer with distinct variants reports true") {
DynamicPrintConfig config;
config.option<ConfigOptionFloats>("nozzle_diameter", true)->values = {0.4, 0.4};
config.option<ConfigOptionStrings>("extruder_variant_list", true)->values = {
"Direct Drive Standard,Direct Drive High Flow",
"Direct Drive Standard,Direct Drive High Flow,Direct Drive TPU High Flow"};
REQUIRE(config.support_different_extruders(extruder_count) == true);
REQUIRE(extruder_count == 2);
}
SECTION("a many-toolhead printer that never opts into variants reports false") {
// A Snapmaker U1 has four identical toolheads and never defines extruder_variant_list,
// so the config falls back to a single default variant token.
DynamicPrintConfig config;
config.option<ConfigOptionFloats>("nozzle_diameter", true)->values = {0.4, 0.4, 0.4, 0.4};
REQUIRE(config.support_different_extruders(extruder_count) == false);
REQUIRE(extruder_count == 4);
}
}
TEST_CASE("get_config_index_base resolves (volume type, extruder type, id) to a slot", "[Config]")
{
const std::vector<std::string> variant_list = {"Direct Drive Standard", "Direct Drive High Flow",