1 #include "midi_mapping_dialog.h"
3 #include "midi_mapper.h"
4 #include "midi_mapping.pb.h"
5 #include "post_to_main_thread.h"
6 #include "ui_midi_mapping.h"
10 #include <QMessageBox>
16 using namespace google::protobuf;
19 vector<MIDIMappingDialog::Control> per_bus_controllers = {
20 { "Treble", MIDIMappingBusProto::kTrebleFieldNumber, MIDIMappingProto::kTrebleBankFieldNumber },
21 { "Mid", MIDIMappingBusProto::kMidFieldNumber, MIDIMappingProto::kMidBankFieldNumber },
22 { "Bass", MIDIMappingBusProto::kBassFieldNumber, MIDIMappingProto::kBassBankFieldNumber },
23 { "Gain", MIDIMappingBusProto::kGainFieldNumber, MIDIMappingProto::kGainBankFieldNumber },
24 { "Compressor threshold", MIDIMappingBusProto::kCompressorThresholdFieldNumber,
25 MIDIMappingProto::kCompressorThresholdBankFieldNumber},
26 { "Fader", MIDIMappingBusProto::kFaderFieldNumber, MIDIMappingProto::kFaderBankFieldNumber }
28 vector<MIDIMappingDialog::Control> per_bus_buttons = {
29 { "Toggle locut", MIDIMappingBusProto::kToggleLocutFieldNumber,
30 MIDIMappingProto::kToggleLocutBankFieldNumber },
31 { "Togle auto gain staging", MIDIMappingBusProto::kToggleAutoGainStagingFieldNumber,
32 MIDIMappingProto::kToggleAutoGainStagingBankFieldNumber },
33 { "Togle compressor", MIDIMappingBusProto::kToggleCompressorFieldNumber,
34 MIDIMappingProto::kToggleCompressorBankFieldNumber },
35 { "Clear peak", MIDIMappingBusProto::kClearPeakFieldNumber,
36 MIDIMappingProto::kClearPeakBankFieldNumber }
38 vector<MIDIMappingDialog::Control> per_bus_lights = {
39 { "Locut is on", MIDIMappingBusProto::kLocutIsOnFieldNumber, 0 },
40 { "Auto gain staging is on", MIDIMappingBusProto::kAutoGainStagingIsOnFieldNumber, 0 },
41 { "Compressor is on", MIDIMappingBusProto::kCompressorIsOnFieldNumber, 0 },
42 { "Bus has peaked", MIDIMappingBusProto::kHasPeakedFieldNumber, 0 }
44 vector<MIDIMappingDialog::Control> global_controllers = {
45 { "Locut cutoff", MIDIMappingBusProto::kLocutFieldNumber, MIDIMappingProto::kLocutBankFieldNumber },
46 { "Limiter threshold", MIDIMappingBusProto::kLimiterThresholdFieldNumber,
47 MIDIMappingProto::kLimiterThresholdBankFieldNumber },
48 { "Makeup gain", MIDIMappingBusProto::kMakeupGainFieldNumber,
49 MIDIMappingProto::kMakeupGainBankFieldNumber }
51 vector<MIDIMappingDialog::Control> global_buttons = {
52 { "Previous bank", MIDIMappingBusProto::kPrevBankFieldNumber, 0 },
53 { "Next bank", MIDIMappingBusProto::kNextBankFieldNumber, 0 },
54 { "Select bank 1", MIDIMappingBusProto::kSelectBank1FieldNumber, 0 },
55 { "Select bank 2", MIDIMappingBusProto::kSelectBank2FieldNumber, 0 },
56 { "Select bank 3", MIDIMappingBusProto::kSelectBank3FieldNumber, 0 },
57 { "Select bank 4", MIDIMappingBusProto::kSelectBank4FieldNumber, 0 },
58 { "Select bank 5", MIDIMappingBusProto::kSelectBank5FieldNumber, 0 },
59 { "Toggle limiter", MIDIMappingBusProto::kToggleLimiterFieldNumber, MIDIMappingProto::kToggleLimiterBankFieldNumber },
60 { "Toggle auto makeup gain", MIDIMappingBusProto::kToggleAutoMakeupGainFieldNumber, MIDIMappingProto::kToggleAutoMakeupGainBankFieldNumber }
62 vector<MIDIMappingDialog::Control> global_lights = {
63 { "Bank 1 is selected", MIDIMappingBusProto::kBank1IsSelectedFieldNumber, 0 },
64 { "Bank 2 is selected", MIDIMappingBusProto::kBank2IsSelectedFieldNumber, 0 },
65 { "Bank 3 is selected", MIDIMappingBusProto::kBank3IsSelectedFieldNumber, 0 },
66 { "Bank 4 is selected", MIDIMappingBusProto::kBank4IsSelectedFieldNumber, 0 },
67 { "Bank 5 is selected", MIDIMappingBusProto::kBank5IsSelectedFieldNumber, 0 },
68 { "Limiter is on", MIDIMappingBusProto::kLimiterIsOnFieldNumber, 0 },
69 { "Auto makeup gain is on", MIDIMappingBusProto::kAutoMakeupGainIsOnFieldNumber, 0 },
74 int get_bank(const MIDIMappingProto &mapping_proto, int bank_field_number, int default_value)
76 const FieldDescriptor *bank_descriptor = mapping_proto.GetDescriptor()->FindFieldByNumber(bank_field_number);
77 const Reflection *reflection = mapping_proto.GetReflection();
78 if (!reflection->HasField(mapping_proto, bank_descriptor)) {
81 return reflection->GetInt32(mapping_proto, bank_descriptor);
84 int get_controller_mapping(const MIDIMappingProto &mapping_proto, size_t bus_idx, int field_number, int default_value)
86 if (bus_idx >= size_t(mapping_proto.bus_mapping_size())) {
90 const MIDIMappingBusProto &bus_mapping = mapping_proto.bus_mapping(bus_idx);
91 const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
92 const Reflection *bus_reflection = bus_mapping.GetReflection();
93 if (!bus_reflection->HasField(bus_mapping, descriptor)) {
96 const MIDIControllerProto &controller_proto =
97 static_cast<const MIDIControllerProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
98 return controller_proto.controller_number();
101 int get_button_mapping(const MIDIMappingProto &mapping_proto, size_t bus_idx, int field_number, int default_value)
103 if (bus_idx >= size_t(mapping_proto.bus_mapping_size())) {
104 return default_value;
107 const MIDIMappingBusProto &bus_mapping = mapping_proto.bus_mapping(bus_idx);
108 const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
109 const Reflection *bus_reflection = bus_mapping.GetReflection();
110 if (!bus_reflection->HasField(bus_mapping, descriptor)) {
111 return default_value;
113 const MIDIButtonProto &bus_proto =
114 static_cast<const MIDIButtonProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
115 return bus_proto.note_number();
118 int get_light_mapping(const MIDIMappingProto &mapping_proto, size_t bus_idx, int field_number, int default_value)
120 if (bus_idx >= size_t(mapping_proto.bus_mapping_size())) {
121 return default_value;
124 const MIDIMappingBusProto &bus_mapping = mapping_proto.bus_mapping(bus_idx);
125 const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
126 const Reflection *bus_reflection = bus_mapping.GetReflection();
127 if (!bus_reflection->HasField(bus_mapping, descriptor)) {
128 return default_value;
130 const MIDILightProto &bus_proto =
131 static_cast<const MIDILightProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
132 return bus_proto.note_number();
137 MIDIMappingDialog::MIDIMappingDialog(MIDIMapper *mapper)
138 : ui(new Ui::MIDIMappingDialog),
143 const MIDIMappingProto mapping_proto = mapper->get_current_mapping(); // Take a copy.
144 old_receiver = mapper->set_receiver(this);
148 labels << "Controller bank";
149 for (unsigned bus_idx = 0; bus_idx < num_buses; ++bus_idx) {
151 snprintf(buf, sizeof(buf), "Bus %d", bus_idx + 1);
155 ui->treeWidget->setColumnCount(num_buses + 3);
156 ui->treeWidget->setHeaderLabels(labels);
158 add_controls("Per-bus controllers", ControlType::CONTROLLER, SpinnerGroup::PER_BUS_CONTROLLERS, mapping_proto, per_bus_controllers);
159 add_controls("Per-bus buttons", ControlType::BUTTON, SpinnerGroup::PER_BUS_BUTTONS, mapping_proto, per_bus_buttons);
160 add_controls("Per-bus lights", ControlType::LIGHT, SpinnerGroup::PER_BUS_LIGHTS, mapping_proto, per_bus_lights);
161 add_controls("Global controllers", ControlType::CONTROLLER, SpinnerGroup::GLOBAL_CONTROLLERS, mapping_proto, global_controllers);
162 add_controls("Global buttons", ControlType::BUTTON, SpinnerGroup::GLOBAL_BUTTONS, mapping_proto, global_buttons);
163 add_controls("Global lights", ControlType::LIGHT, SpinnerGroup::GLOBAL_LIGHTS, mapping_proto, global_lights);
164 fill_controls_from_mapping(mapping_proto);
166 // Auto-resize every column but the last.
167 for (unsigned column_idx = 0; column_idx < num_buses + 3; ++column_idx) {
168 ui->treeWidget->resizeColumnToContents(column_idx);
171 connect(ui->guess_bus_button, &QPushButton::clicked,
172 bind(&MIDIMappingDialog::guess_clicked, this, false));
173 connect(ui->guess_group_button, &QPushButton::clicked,
174 bind(&MIDIMappingDialog::guess_clicked, this, true));
175 connect(ui->ok_cancel_buttons, &QDialogButtonBox::accepted, this, &MIDIMappingDialog::ok_clicked);
176 connect(ui->ok_cancel_buttons, &QDialogButtonBox::rejected, this, &MIDIMappingDialog::cancel_clicked);
177 connect(ui->save_button, &QPushButton::clicked, this, &MIDIMappingDialog::save_clicked);
178 connect(ui->load_button, &QPushButton::clicked, this, &MIDIMappingDialog::load_clicked);
180 update_guess_button_state();
183 MIDIMappingDialog::~MIDIMappingDialog()
185 mapper->set_receiver(old_receiver);
186 mapper->refresh_highlights();
189 bool MIDIMappingDialog::eventFilter(QObject *obj, QEvent *event)
191 if (event->type() == QEvent::FocusIn ||
192 event->type() == QEvent::FocusOut) {
193 // We ignore the guess buttons themselves; it should be allowed
194 // to navigate from a spinner to focus on a button (to click it).
195 if (obj != ui->guess_bus_button && obj != ui->guess_group_button) {
196 update_guess_button_state();
202 void MIDIMappingDialog::guess_clicked(bool limit_to_group)
204 FocusInfo focus = find_focus();
205 if (focus.bus_idx == -1) {
206 // The guess button probably took the focus away from us.
209 assert(focus.bus_idx != -1); // The button should have been disabled.
210 pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, limit_to_group ? focus.spinner_group : SpinnerGroup::ALL_GROUPS);
211 const int source_bus_idx = bus_and_offset.first;
212 const int offset = bus_and_offset.second;
213 assert(source_bus_idx != -1); // The button should have been disabled.
215 for (const auto &field_number_and_spinner : spinners[focus.bus_idx]) {
216 int field_number = field_number_and_spinner.first;
217 QSpinBox *spinner = field_number_and_spinner.second.spinner;
218 SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
220 if (limit_to_group && this_spinner_group != focus.spinner_group) {
224 assert(spinners[source_bus_idx].count(field_number));
225 QSpinBox *source_spinner = spinners[source_bus_idx][field_number].spinner;
226 assert(spinners[source_bus_idx][field_number].group == this_spinner_group);
228 if (source_spinner->value() != 0) {
229 spinner->setValue(source_spinner->value() + offset);
233 // See if we can find a “next” bus to move the focus to.
234 const int next_bus_idx = focus.bus_idx + (focus.bus_idx - source_bus_idx); // Note: Could become e.g. -1.
235 for (const InstantiatedSpinner &is : controller_spinners) {
236 if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
237 is.spinner->setFocus();
240 for (const InstantiatedSpinner &is : button_spinners) {
241 if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
242 is.spinner->setFocus();
245 for (const InstantiatedSpinner &is : light_spinners) {
246 if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
247 is.spinner->setFocus();
252 void MIDIMappingDialog::ok_clicked()
254 unique_ptr<MIDIMappingProto> new_mapping = construct_mapping_proto_from_ui();
255 mapper->set_midi_mapping(*new_mapping);
256 mapper->set_receiver(old_receiver);
260 void MIDIMappingDialog::cancel_clicked()
262 mapper->set_receiver(old_receiver);
266 void MIDIMappingDialog::save_clicked()
268 unique_ptr<MIDIMappingProto> new_mapping = construct_mapping_proto_from_ui();
269 QString filename = QFileDialog::getSaveFileName(this,
270 "Save MIDI mapping", QString(), tr("Mapping files (*.midimapping)"));
271 if (!filename.endsWith(".midimapping")) {
272 filename += ".midimapping";
274 if (!save_midi_mapping_to_file(*new_mapping, filename.toStdString())) {
276 box.setText("Could not save mapping to '" + filename + "'. Check that you have the right permissions and try again.");
281 void MIDIMappingDialog::load_clicked()
283 QString filename = QFileDialog::getOpenFileName(this,
284 "Load MIDI mapping", QString(), tr("Mapping files (*.midimapping)"));
285 MIDIMappingProto new_mapping;
286 if (!load_midi_mapping_from_file(filename.toStdString(), &new_mapping)) {
288 box.setText("Could not load mapping from '" + filename + "'. Check that the file exists, has the right permissions and is valid.");
293 fill_controls_from_mapping(new_mapping);
299 T *get_mutable_bus_message(MIDIMappingProto *mapping_proto, unsigned bus_idx, int field_number)
301 while (size_t(mapping_proto->bus_mapping_size()) <= bus_idx) {
302 mapping_proto->add_bus_mapping();
305 MIDIMappingBusProto *bus_mapping = mapping_proto->mutable_bus_mapping(bus_idx);
306 const FieldDescriptor *descriptor = bus_mapping->GetDescriptor()->FindFieldByNumber(field_number);
307 const Reflection *bus_reflection = bus_mapping->GetReflection();
308 return static_cast<T *>(bus_reflection->MutableMessage(bus_mapping, descriptor));
313 unique_ptr<MIDIMappingProto> MIDIMappingDialog::construct_mapping_proto_from_ui()
315 unique_ptr<MIDIMappingProto> mapping_proto(new MIDIMappingProto);
316 for (const InstantiatedSpinner &is : controller_spinners) {
317 const int val = is.spinner->value();
322 MIDIControllerProto *controller_proto =
323 get_mutable_bus_message<MIDIControllerProto>(mapping_proto.get(), is.bus_idx, is.field_number);
324 controller_proto->set_controller_number(val);
326 for (const InstantiatedSpinner &is : button_spinners) {
327 const int val = is.spinner->value();
332 MIDIButtonProto *button_proto =
333 get_mutable_bus_message<MIDIButtonProto>(mapping_proto.get(), is.bus_idx, is.field_number);
334 button_proto->set_note_number(val);
336 for (const InstantiatedSpinner &is : light_spinners) {
337 const int val = is.spinner->value();
342 MIDILightProto *light_proto =
343 get_mutable_bus_message<MIDILightProto>(mapping_proto.get(), is.bus_idx, is.field_number);
344 light_proto->set_note_number(val);
346 int highest_bank_used = 0; // 1-indexed.
347 for (const InstantiatedComboBox &ic : bank_combo_boxes) {
348 const int val = ic.combo_box->currentIndex();
349 highest_bank_used = std::max(highest_bank_used, val);
354 const FieldDescriptor *descriptor = mapping_proto->GetDescriptor()->FindFieldByNumber(ic.field_number);
355 const Reflection *bus_reflection = mapping_proto->GetReflection();
356 bus_reflection->SetInt32(mapping_proto.get(), descriptor, val - 1);
358 mapping_proto->set_num_controller_banks(highest_bank_used);
359 return mapping_proto;
362 void MIDIMappingDialog::add_bank_selector(QTreeWidgetItem *item, const MIDIMappingProto &mapping_proto, int bank_field_number)
364 if (bank_field_number == 0) {
367 QComboBox *bank_selector = new QComboBox(this);
368 bank_selector->addItems(QStringList() << "" << "Bank 1" << "Bank 2" << "Bank 3" << "Bank 4" << "Bank 5");
369 bank_selector->setAutoFillBackground(true);
371 bank_combo_boxes.push_back(InstantiatedComboBox{ bank_selector, bank_field_number });
373 ui->treeWidget->setItemWidget(item, 1, bank_selector);
376 void MIDIMappingDialog::add_controls(const string &heading,
377 MIDIMappingDialog::ControlType control_type,
378 MIDIMappingDialog::SpinnerGroup spinner_group,
379 const MIDIMappingProto &mapping_proto,
380 const vector<MIDIMappingDialog::Control> &controls)
382 QTreeWidgetItem *heading_item = new QTreeWidgetItem(ui->treeWidget);
383 heading_item->setText(0, QString::fromStdString(heading));
384 heading_item->setFirstColumnSpanned(true);
385 heading_item->setExpanded(true);
386 for (const Control &control : controls) {
387 QTreeWidgetItem *item = new QTreeWidgetItem(heading_item);
388 heading_item->addChild(item);
389 add_bank_selector(item, mapping_proto, control.bank_field_number);
390 item->setText(0, QString::fromStdString(control.label + " "));
392 for (unsigned bus_idx = 0; bus_idx < num_buses; ++bus_idx) {
393 QSpinBox *spinner = new QSpinBox(this);
394 spinner->setRange(0, 127);
395 spinner->setAutoFillBackground(true);
396 spinner->setSpecialValueText("\u200d"); // Zero-width joiner (ie., empty).
397 spinner->installEventFilter(this); // So we know when the focus changes.
398 ui->treeWidget->setItemWidget(item, bus_idx + 2, spinner);
400 if (control_type == ControlType::CONTROLLER) {
401 controller_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
402 } else if (control_type == ControlType::BUTTON) {
403 button_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
405 assert(control_type == ControlType::LIGHT);
406 light_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
408 spinners[bus_idx][control.field_number] = SpinnerAndGroup{ spinner, spinner_group };
409 connect(spinner, static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged),
410 bind(&MIDIMappingDialog::update_guess_button_state, this));
413 ui->treeWidget->addTopLevelItem(heading_item);
416 void MIDIMappingDialog::fill_controls_from_mapping(const MIDIMappingProto &mapping_proto)
418 for (const InstantiatedSpinner &is : controller_spinners) {
419 is.spinner->setValue(get_controller_mapping(mapping_proto, is.bus_idx, is.field_number, 0));
421 for (const InstantiatedSpinner &is : button_spinners) {
422 is.spinner->setValue(get_button_mapping(mapping_proto, is.bus_idx, is.field_number, 0));
424 for (const InstantiatedSpinner &is : light_spinners) {
425 is.spinner->setValue(get_light_mapping(mapping_proto, is.bus_idx, is.field_number, 0));
427 for (const InstantiatedComboBox &ic : bank_combo_boxes) {
428 ic.combo_box->setCurrentIndex(get_bank(mapping_proto, ic.field_number, -1) + 1);
432 void MIDIMappingDialog::controller_changed(unsigned controller)
434 for (const InstantiatedSpinner &is : controller_spinners) {
435 if (is.spinner->hasFocus()) {
436 is.spinner->setValue(controller);
437 is.spinner->selectAll();
442 void MIDIMappingDialog::note_on(unsigned note)
444 for (const InstantiatedSpinner &is : button_spinners) {
445 if (is.spinner->hasFocus()) {
446 is.spinner->setValue(note);
447 is.spinner->selectAll();
450 for (const InstantiatedSpinner &is : light_spinners) {
451 if (is.spinner->hasFocus()) {
452 is.spinner->setValue(note);
453 is.spinner->selectAll();
458 pair<int, int> MIDIMappingDialog::guess_offset(unsigned bus_idx, MIDIMappingDialog::SpinnerGroup spinner_group)
460 constexpr pair<int, int> not_found(-1, 0);
462 if (bus_is_empty(bus_idx, spinner_group)) {
466 // See if we can find a non-empty bus to source from (prefer from the left).
467 unsigned source_bus_idx;
468 if (bus_idx > 0 && !bus_is_empty(bus_idx - 1, spinner_group)) {
469 source_bus_idx = bus_idx - 1;
470 } else if (bus_idx < num_buses - 1 && !bus_is_empty(bus_idx + 1, spinner_group)) {
471 source_bus_idx = bus_idx + 1;
476 // See if we can find a consistent offset.
477 bool found_offset = false;
479 int minimum_allowed_offset = numeric_limits<int>::min();
480 int maximum_allowed_offset = numeric_limits<int>::max();
481 for (const auto &field_number_and_spinner : spinners[bus_idx]) {
482 int field_number = field_number_and_spinner.first;
483 QSpinBox *spinner = field_number_and_spinner.second.spinner;
484 SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
485 assert(spinners[source_bus_idx].count(field_number));
486 QSpinBox *source_spinner = spinners[source_bus_idx][field_number].spinner;
487 assert(spinners[source_bus_idx][field_number].group == this_spinner_group);
489 if (spinner_group != SpinnerGroup::ALL_GROUPS &&
490 spinner_group != this_spinner_group) {
493 if (spinner->value() == 0) {
494 if (source_spinner->value() != 0) {
495 // If the source value is e.g. 3, offset can't be less than -2 or larger than 124.
496 // Otherwise, we'd extrapolate values outside [1..127].
497 minimum_allowed_offset = max(minimum_allowed_offset, 1 - source_spinner->value());
498 maximum_allowed_offset = min(maximum_allowed_offset, 127 - source_spinner->value());
502 if (source_spinner->value() == 0) {
503 // The bus has a controller set that the source bus doesn't set.
507 int candidate_offset = spinner->value() - source_spinner->value();
509 offset = candidate_offset;
511 } else if (candidate_offset != offset) {
517 // Given that the bus wasn't empty, this shouldn't happen.
522 if (offset < minimum_allowed_offset || offset > maximum_allowed_offset) {
525 return make_pair(source_bus_idx, offset);
528 bool MIDIMappingDialog::bus_is_empty(unsigned bus_idx, SpinnerGroup spinner_group)
530 for (const auto &field_number_and_spinner : spinners[bus_idx]) {
531 QSpinBox *spinner = field_number_and_spinner.second.spinner;
532 SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
533 if (spinner_group != SpinnerGroup::ALL_GROUPS &&
534 spinner_group != this_spinner_group) {
537 if (spinner->value() != 0) {
544 void MIDIMappingDialog::update_guess_button_state()
546 FocusInfo focus = find_focus();
547 if (focus.bus_idx < 0) {
551 pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, SpinnerGroup::ALL_GROUPS);
552 ui->guess_bus_button->setEnabled(bus_and_offset.first != -1);
555 pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, focus.spinner_group);
556 ui->guess_group_button->setEnabled(bus_and_offset.first != -1);
561 MIDIMappingDialog::FocusInfo MIDIMappingDialog::find_focus() const
563 for (const InstantiatedSpinner &is : controller_spinners) {
564 if (is.spinner->hasFocus()) {
565 return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
568 for (const InstantiatedSpinner &is : button_spinners) {
569 if (is.spinner->hasFocus()) {
570 return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
573 for (const InstantiatedSpinner &is : light_spinners) {
574 if (is.spinner->hasFocus()) {
575 return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
578 return FocusInfo{ -1, SpinnerGroup::ALL_GROUPS, -1 };