1 #include "midi_mapping_dialog.h"
4 #include <google/protobuf/descriptor.h>
5 #include <google/protobuf/message.h>
7 #include <QDialogButtonBox>
10 #include <QPushButton>
12 #include <QStringList>
13 #include <QTreeWidget>
21 #include "midi_mapper.h"
22 #include "midi_mapping.pb.h"
23 #include "ui_midi_mapping.h"
27 using namespace google::protobuf;
30 vector<MIDIMappingDialog::Control> per_bus_controllers = {
31 { "Treble", MIDIMappingBusProto::kTrebleFieldNumber, MIDIMappingProto::kTrebleBankFieldNumber },
32 { "Mid", MIDIMappingBusProto::kMidFieldNumber, MIDIMappingProto::kMidBankFieldNumber },
33 { "Bass", MIDIMappingBusProto::kBassFieldNumber, MIDIMappingProto::kBassBankFieldNumber },
34 { "Gain", MIDIMappingBusProto::kGainFieldNumber, MIDIMappingProto::kGainBankFieldNumber },
35 { "Compressor threshold", MIDIMappingBusProto::kCompressorThresholdFieldNumber,
36 MIDIMappingProto::kCompressorThresholdBankFieldNumber},
37 { "Fader", MIDIMappingBusProto::kFaderFieldNumber, MIDIMappingProto::kFaderBankFieldNumber }
39 vector<MIDIMappingDialog::Control> per_bus_buttons = {
40 { "Toggle mute", MIDIMappingBusProto::kToggleMuteFieldNumber,
41 MIDIMappingProto::kToggleMuteBankFieldNumber },
42 { "Toggle locut", MIDIMappingBusProto::kToggleLocutFieldNumber,
43 MIDIMappingProto::kToggleLocutBankFieldNumber },
44 { "Togle auto gain staging", MIDIMappingBusProto::kToggleAutoGainStagingFieldNumber,
45 MIDIMappingProto::kToggleAutoGainStagingBankFieldNumber },
46 { "Togle compressor", MIDIMappingBusProto::kToggleCompressorFieldNumber,
47 MIDIMappingProto::kToggleCompressorBankFieldNumber },
48 { "Clear peak", MIDIMappingBusProto::kClearPeakFieldNumber,
49 MIDIMappingProto::kClearPeakBankFieldNumber }
51 vector<MIDIMappingDialog::Control> per_bus_lights = {
52 { "Is muted", MIDIMappingBusProto::kIsMutedFieldNumber, 0 },
53 { "Locut is on", MIDIMappingBusProto::kLocutIsOnFieldNumber, 0 },
54 { "Auto gain staging is on", MIDIMappingBusProto::kAutoGainStagingIsOnFieldNumber, 0 },
55 { "Compressor is on", MIDIMappingBusProto::kCompressorIsOnFieldNumber, 0 },
56 { "Bus has peaked", MIDIMappingBusProto::kHasPeakedFieldNumber, 0 }
58 vector<MIDIMappingDialog::Control> global_controllers = {
59 { "Locut cutoff", MIDIMappingBusProto::kLocutFieldNumber, MIDIMappingProto::kLocutBankFieldNumber },
60 { "Limiter threshold", MIDIMappingBusProto::kLimiterThresholdFieldNumber,
61 MIDIMappingProto::kLimiterThresholdBankFieldNumber },
62 { "Makeup gain", MIDIMappingBusProto::kMakeupGainFieldNumber,
63 MIDIMappingProto::kMakeupGainBankFieldNumber }
65 vector<MIDIMappingDialog::Control> global_buttons = {
66 { "Previous bank", MIDIMappingBusProto::kPrevBankFieldNumber, 0 },
67 { "Next bank", MIDIMappingBusProto::kNextBankFieldNumber, 0 },
68 { "Select bank 1", MIDIMappingBusProto::kSelectBank1FieldNumber, 0 },
69 { "Select bank 2", MIDIMappingBusProto::kSelectBank2FieldNumber, 0 },
70 { "Select bank 3", MIDIMappingBusProto::kSelectBank3FieldNumber, 0 },
71 { "Select bank 4", MIDIMappingBusProto::kSelectBank4FieldNumber, 0 },
72 { "Select bank 5", MIDIMappingBusProto::kSelectBank5FieldNumber, 0 },
73 { "Toggle limiter", MIDIMappingBusProto::kToggleLimiterFieldNumber, MIDIMappingProto::kToggleLimiterBankFieldNumber },
74 { "Toggle auto makeup gain", MIDIMappingBusProto::kToggleAutoMakeupGainFieldNumber, MIDIMappingProto::kToggleAutoMakeupGainBankFieldNumber }
76 vector<MIDIMappingDialog::Control> global_lights = {
77 { "Bank 1 is selected", MIDIMappingBusProto::kBank1IsSelectedFieldNumber, 0 },
78 { "Bank 2 is selected", MIDIMappingBusProto::kBank2IsSelectedFieldNumber, 0 },
79 { "Bank 3 is selected", MIDIMappingBusProto::kBank3IsSelectedFieldNumber, 0 },
80 { "Bank 4 is selected", MIDIMappingBusProto::kBank4IsSelectedFieldNumber, 0 },
81 { "Bank 5 is selected", MIDIMappingBusProto::kBank5IsSelectedFieldNumber, 0 },
82 { "Limiter is on", MIDIMappingBusProto::kLimiterIsOnFieldNumber, 0 },
83 { "Auto makeup gain is on", MIDIMappingBusProto::kAutoMakeupGainIsOnFieldNumber, 0 },
88 int get_bank(const MIDIMappingProto &mapping_proto, int bank_field_number, int default_value)
90 const FieldDescriptor *bank_descriptor = mapping_proto.GetDescriptor()->FindFieldByNumber(bank_field_number);
91 const Reflection *reflection = mapping_proto.GetReflection();
92 if (!reflection->HasField(mapping_proto, bank_descriptor)) {
95 return reflection->GetInt32(mapping_proto, bank_descriptor);
98 int get_controller_mapping(const MIDIMappingProto &mapping_proto, size_t bus_idx, int field_number, int default_value)
100 if (bus_idx >= size_t(mapping_proto.bus_mapping_size())) {
101 return default_value;
104 const MIDIMappingBusProto &bus_mapping = mapping_proto.bus_mapping(bus_idx);
105 const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
106 const Reflection *bus_reflection = bus_mapping.GetReflection();
107 if (!bus_reflection->HasField(bus_mapping, descriptor)) {
108 return default_value;
110 const MIDIControllerProto &controller_proto =
111 static_cast<const MIDIControllerProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
112 return controller_proto.controller_number();
115 int get_button_mapping(const MIDIMappingProto &mapping_proto, size_t bus_idx, int field_number, int default_value)
117 if (bus_idx >= size_t(mapping_proto.bus_mapping_size())) {
118 return default_value;
121 const MIDIMappingBusProto &bus_mapping = mapping_proto.bus_mapping(bus_idx);
122 const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
123 const Reflection *bus_reflection = bus_mapping.GetReflection();
124 if (!bus_reflection->HasField(bus_mapping, descriptor)) {
125 return default_value;
127 const MIDIButtonProto &bus_proto =
128 static_cast<const MIDIButtonProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
129 return bus_proto.note_number();
132 int get_light_mapping(const MIDIMappingProto &mapping_proto, size_t bus_idx, int field_number, int default_value)
134 if (bus_idx >= size_t(mapping_proto.bus_mapping_size())) {
135 return default_value;
138 const MIDIMappingBusProto &bus_mapping = mapping_proto.bus_mapping(bus_idx);
139 const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
140 const Reflection *bus_reflection = bus_mapping.GetReflection();
141 if (!bus_reflection->HasField(bus_mapping, descriptor)) {
142 return default_value;
144 const MIDILightProto &bus_proto =
145 static_cast<const MIDILightProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
146 return bus_proto.note_number();
151 MIDIMappingDialog::MIDIMappingDialog(MIDIMapper *mapper)
152 : ui(new Ui::MIDIMappingDialog),
157 const MIDIMappingProto mapping_proto = mapper->get_current_mapping(); // Take a copy.
158 old_receiver = mapper->set_receiver(this);
162 labels << "Controller bank";
163 for (unsigned bus_idx = 0; bus_idx < num_buses; ++bus_idx) {
165 snprintf(buf, sizeof(buf), "Bus %d", bus_idx + 1);
169 ui->treeWidget->setColumnCount(num_buses + 3);
170 ui->treeWidget->setHeaderLabels(labels);
172 add_controls("Per-bus controllers", ControlType::CONTROLLER, SpinnerGroup::PER_BUS_CONTROLLERS, mapping_proto, per_bus_controllers);
173 add_controls("Per-bus buttons", ControlType::BUTTON, SpinnerGroup::PER_BUS_BUTTONS, mapping_proto, per_bus_buttons);
174 add_controls("Per-bus lights", ControlType::LIGHT, SpinnerGroup::PER_BUS_LIGHTS, mapping_proto, per_bus_lights);
175 add_controls("Global controllers", ControlType::CONTROLLER, SpinnerGroup::GLOBAL_CONTROLLERS, mapping_proto, global_controllers);
176 add_controls("Global buttons", ControlType::BUTTON, SpinnerGroup::GLOBAL_BUTTONS, mapping_proto, global_buttons);
177 add_controls("Global lights", ControlType::LIGHT, SpinnerGroup::GLOBAL_LIGHTS, mapping_proto, global_lights);
178 fill_controls_from_mapping(mapping_proto);
180 // Auto-resize every column but the last.
181 for (unsigned column_idx = 0; column_idx < num_buses + 3; ++column_idx) {
182 ui->treeWidget->resizeColumnToContents(column_idx);
185 connect(ui->guess_bus_button, &QPushButton::clicked,
186 bind(&MIDIMappingDialog::guess_clicked, this, false));
187 connect(ui->guess_group_button, &QPushButton::clicked,
188 bind(&MIDIMappingDialog::guess_clicked, this, true));
189 connect(ui->ok_cancel_buttons, &QDialogButtonBox::accepted, this, &MIDIMappingDialog::ok_clicked);
190 connect(ui->ok_cancel_buttons, &QDialogButtonBox::rejected, this, &MIDIMappingDialog::cancel_clicked);
191 connect(ui->save_button, &QPushButton::clicked, this, &MIDIMappingDialog::save_clicked);
192 connect(ui->load_button, &QPushButton::clicked, this, &MIDIMappingDialog::load_clicked);
194 update_guess_button_state();
197 MIDIMappingDialog::~MIDIMappingDialog()
199 mapper->set_receiver(old_receiver);
200 mapper->refresh_highlights();
203 bool MIDIMappingDialog::eventFilter(QObject *obj, QEvent *event)
205 if (event->type() == QEvent::FocusIn ||
206 event->type() == QEvent::FocusOut) {
207 // We ignore the guess buttons themselves; it should be allowed
208 // to navigate from a spinner to focus on a button (to click it).
209 if (obj != ui->guess_bus_button && obj != ui->guess_group_button) {
210 update_guess_button_state();
216 void MIDIMappingDialog::guess_clicked(bool limit_to_group)
218 FocusInfo focus = find_focus();
219 if (focus.bus_idx == -1) {
220 // The guess button probably took the focus away from us.
223 assert(focus.bus_idx != -1); // The button should have been disabled.
224 pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, limit_to_group ? focus.spinner_group : SpinnerGroup::ALL_GROUPS);
225 const int source_bus_idx = bus_and_offset.first;
226 const int offset = bus_and_offset.second;
227 assert(source_bus_idx != -1); // The button should have been disabled.
229 for (const auto &field_number_and_spinner : spinners[focus.bus_idx]) {
230 int field_number = field_number_and_spinner.first;
231 QSpinBox *spinner = field_number_and_spinner.second.spinner;
232 SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
234 if (limit_to_group && this_spinner_group != focus.spinner_group) {
238 assert(spinners[source_bus_idx].count(field_number));
239 QSpinBox *source_spinner = spinners[source_bus_idx][field_number].spinner;
240 assert(spinners[source_bus_idx][field_number].group == this_spinner_group);
242 if (source_spinner->value() != 0) {
243 spinner->setValue(source_spinner->value() + offset);
247 // See if we can find a “next” bus to move the focus to.
248 const int next_bus_idx = focus.bus_idx + (focus.bus_idx - source_bus_idx); // Note: Could become e.g. -1.
249 for (const InstantiatedSpinner &is : controller_spinners) {
250 if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
251 is.spinner->setFocus();
254 for (const InstantiatedSpinner &is : button_spinners) {
255 if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
256 is.spinner->setFocus();
259 for (const InstantiatedSpinner &is : light_spinners) {
260 if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
261 is.spinner->setFocus();
266 void MIDIMappingDialog::ok_clicked()
268 unique_ptr<MIDIMappingProto> new_mapping = construct_mapping_proto_from_ui();
269 mapper->set_midi_mapping(*new_mapping);
270 mapper->set_receiver(old_receiver);
274 void MIDIMappingDialog::cancel_clicked()
276 mapper->set_receiver(old_receiver);
280 void MIDIMappingDialog::save_clicked()
282 unique_ptr<MIDIMappingProto> new_mapping = construct_mapping_proto_from_ui();
283 QString filename = QFileDialog::getSaveFileName(this,
284 "Save MIDI mapping", QString(), tr("Mapping files (*.midimapping)"));
285 if (!filename.endsWith(".midimapping")) {
286 filename += ".midimapping";
288 if (!save_midi_mapping_to_file(*new_mapping, filename.toStdString())) {
290 box.setText("Could not save mapping to '" + filename + "'. Check that you have the right permissions and try again.");
295 void MIDIMappingDialog::load_clicked()
297 QString filename = QFileDialog::getOpenFileName(this,
298 "Load MIDI mapping", QString(), tr("Mapping files (*.midimapping)"));
299 MIDIMappingProto new_mapping;
300 if (!load_midi_mapping_from_file(filename.toStdString(), &new_mapping)) {
302 box.setText("Could not load mapping from '" + filename + "'. Check that the file exists, has the right permissions and is valid.");
307 fill_controls_from_mapping(new_mapping);
313 T *get_mutable_bus_message(MIDIMappingProto *mapping_proto, unsigned bus_idx, int field_number)
315 while (size_t(mapping_proto->bus_mapping_size()) <= bus_idx) {
316 mapping_proto->add_bus_mapping();
319 MIDIMappingBusProto *bus_mapping = mapping_proto->mutable_bus_mapping(bus_idx);
320 const FieldDescriptor *descriptor = bus_mapping->GetDescriptor()->FindFieldByNumber(field_number);
321 const Reflection *bus_reflection = bus_mapping->GetReflection();
322 return static_cast<T *>(bus_reflection->MutableMessage(bus_mapping, descriptor));
327 unique_ptr<MIDIMappingProto> MIDIMappingDialog::construct_mapping_proto_from_ui()
329 unique_ptr<MIDIMappingProto> mapping_proto(new MIDIMappingProto);
330 for (const InstantiatedSpinner &is : controller_spinners) {
331 const int val = is.spinner->value();
336 MIDIControllerProto *controller_proto =
337 get_mutable_bus_message<MIDIControllerProto>(mapping_proto.get(), is.bus_idx, is.field_number);
338 controller_proto->set_controller_number(val);
340 for (const InstantiatedSpinner &is : button_spinners) {
341 const int val = is.spinner->value();
346 MIDIButtonProto *button_proto =
347 get_mutable_bus_message<MIDIButtonProto>(mapping_proto.get(), is.bus_idx, is.field_number);
348 button_proto->set_note_number(val);
350 for (const InstantiatedSpinner &is : light_spinners) {
351 const int val = is.spinner->value();
356 MIDILightProto *light_proto =
357 get_mutable_bus_message<MIDILightProto>(mapping_proto.get(), is.bus_idx, is.field_number);
358 light_proto->set_note_number(val);
360 int highest_bank_used = 0; // 1-indexed.
361 for (const InstantiatedComboBox &ic : bank_combo_boxes) {
362 const int val = ic.combo_box->currentIndex();
363 highest_bank_used = std::max(highest_bank_used, val);
368 const FieldDescriptor *descriptor = mapping_proto->GetDescriptor()->FindFieldByNumber(ic.field_number);
369 const Reflection *bus_reflection = mapping_proto->GetReflection();
370 bus_reflection->SetInt32(mapping_proto.get(), descriptor, val - 1);
372 mapping_proto->set_num_controller_banks(highest_bank_used);
373 return mapping_proto;
376 void MIDIMappingDialog::add_bank_selector(QTreeWidgetItem *item, const MIDIMappingProto &mapping_proto, int bank_field_number)
378 if (bank_field_number == 0) {
381 QComboBox *bank_selector = new QComboBox(this);
382 bank_selector->addItems(QStringList() << "" << "Bank 1" << "Bank 2" << "Bank 3" << "Bank 4" << "Bank 5");
383 bank_selector->setAutoFillBackground(true);
385 bank_combo_boxes.push_back(InstantiatedComboBox{ bank_selector, bank_field_number });
387 ui->treeWidget->setItemWidget(item, 1, bank_selector);
390 void MIDIMappingDialog::add_controls(const string &heading,
391 MIDIMappingDialog::ControlType control_type,
392 MIDIMappingDialog::SpinnerGroup spinner_group,
393 const MIDIMappingProto &mapping_proto,
394 const vector<MIDIMappingDialog::Control> &controls)
396 QTreeWidgetItem *heading_item = new QTreeWidgetItem(ui->treeWidget);
397 heading_item->setText(0, QString::fromStdString(heading));
398 heading_item->setFirstColumnSpanned(true);
399 heading_item->setExpanded(true);
400 for (const Control &control : controls) {
401 QTreeWidgetItem *item = new QTreeWidgetItem(heading_item);
402 heading_item->addChild(item);
403 add_bank_selector(item, mapping_proto, control.bank_field_number);
404 item->setText(0, QString::fromStdString(control.label + " "));
406 for (unsigned bus_idx = 0; bus_idx < num_buses; ++bus_idx) {
407 QSpinBox *spinner = new QSpinBox(this);
408 spinner->setRange(0, 127);
409 spinner->setAutoFillBackground(true);
410 spinner->setSpecialValueText("\u200d"); // Zero-width joiner (ie., empty).
411 spinner->installEventFilter(this); // So we know when the focus changes.
412 ui->treeWidget->setItemWidget(item, bus_idx + 2, spinner);
414 if (control_type == ControlType::CONTROLLER) {
415 controller_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
416 } else if (control_type == ControlType::BUTTON) {
417 button_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
419 assert(control_type == ControlType::LIGHT);
420 light_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
422 spinners[bus_idx][control.field_number] = SpinnerAndGroup{ spinner, spinner_group };
423 connect(spinner, static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged),
424 bind(&MIDIMappingDialog::update_guess_button_state, this));
427 ui->treeWidget->addTopLevelItem(heading_item);
430 void MIDIMappingDialog::fill_controls_from_mapping(const MIDIMappingProto &mapping_proto)
432 for (const InstantiatedSpinner &is : controller_spinners) {
433 is.spinner->setValue(get_controller_mapping(mapping_proto, is.bus_idx, is.field_number, 0));
435 for (const InstantiatedSpinner &is : button_spinners) {
436 is.spinner->setValue(get_button_mapping(mapping_proto, is.bus_idx, is.field_number, 0));
438 for (const InstantiatedSpinner &is : light_spinners) {
439 is.spinner->setValue(get_light_mapping(mapping_proto, is.bus_idx, is.field_number, 0));
441 for (const InstantiatedComboBox &ic : bank_combo_boxes) {
442 ic.combo_box->setCurrentIndex(get_bank(mapping_proto, ic.field_number, -1) + 1);
446 void MIDIMappingDialog::controller_changed(unsigned controller)
448 for (const InstantiatedSpinner &is : controller_spinners) {
449 if (is.spinner->hasFocus()) {
450 is.spinner->setValue(controller);
451 is.spinner->selectAll();
456 void MIDIMappingDialog::note_on(unsigned note)
458 for (const InstantiatedSpinner &is : button_spinners) {
459 if (is.spinner->hasFocus()) {
460 is.spinner->setValue(note);
461 is.spinner->selectAll();
464 for (const InstantiatedSpinner &is : light_spinners) {
465 if (is.spinner->hasFocus()) {
466 is.spinner->setValue(note);
467 is.spinner->selectAll();
472 pair<int, int> MIDIMappingDialog::guess_offset(unsigned bus_idx, MIDIMappingDialog::SpinnerGroup spinner_group)
474 constexpr pair<int, int> not_found(-1, 0);
476 if (bus_is_empty(bus_idx, spinner_group)) {
480 // See if we can find a non-empty bus to source from (prefer from the left).
481 unsigned source_bus_idx;
482 if (bus_idx > 0 && !bus_is_empty(bus_idx - 1, spinner_group)) {
483 source_bus_idx = bus_idx - 1;
484 } else if (bus_idx < num_buses - 1 && !bus_is_empty(bus_idx + 1, spinner_group)) {
485 source_bus_idx = bus_idx + 1;
490 // See if we can find a consistent offset.
491 bool found_offset = false;
493 int minimum_allowed_offset = numeric_limits<int>::min();
494 int maximum_allowed_offset = numeric_limits<int>::max();
495 for (const auto &field_number_and_spinner : spinners[bus_idx]) {
496 int field_number = field_number_and_spinner.first;
497 QSpinBox *spinner = field_number_and_spinner.second.spinner;
498 SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
499 assert(spinners[source_bus_idx].count(field_number));
500 QSpinBox *source_spinner = spinners[source_bus_idx][field_number].spinner;
501 assert(spinners[source_bus_idx][field_number].group == this_spinner_group);
503 if (spinner_group != SpinnerGroup::ALL_GROUPS &&
504 spinner_group != this_spinner_group) {
507 if (spinner->value() == 0) {
508 if (source_spinner->value() != 0) {
509 // If the source value is e.g. 3, offset can't be less than -2 or larger than 124.
510 // Otherwise, we'd extrapolate values outside [1..127].
511 minimum_allowed_offset = max(minimum_allowed_offset, 1 - source_spinner->value());
512 maximum_allowed_offset = min(maximum_allowed_offset, 127 - source_spinner->value());
516 if (source_spinner->value() == 0) {
517 // The bus has a controller set that the source bus doesn't set.
521 int candidate_offset = spinner->value() - source_spinner->value();
523 offset = candidate_offset;
525 } else if (candidate_offset != offset) {
531 // Given that the bus wasn't empty, this shouldn't happen.
536 if (offset < minimum_allowed_offset || offset > maximum_allowed_offset) {
539 return make_pair(source_bus_idx, offset);
542 bool MIDIMappingDialog::bus_is_empty(unsigned bus_idx, SpinnerGroup spinner_group)
544 for (const auto &field_number_and_spinner : spinners[bus_idx]) {
545 QSpinBox *spinner = field_number_and_spinner.second.spinner;
546 SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
547 if (spinner_group != SpinnerGroup::ALL_GROUPS &&
548 spinner_group != this_spinner_group) {
551 if (spinner->value() != 0) {
558 void MIDIMappingDialog::update_guess_button_state()
560 FocusInfo focus = find_focus();
561 if (focus.bus_idx < 0) {
565 pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, SpinnerGroup::ALL_GROUPS);
566 ui->guess_bus_button->setEnabled(bus_and_offset.first != -1);
569 pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, focus.spinner_group);
570 ui->guess_group_button->setEnabled(bus_and_offset.first != -1);
575 MIDIMappingDialog::FocusInfo MIDIMappingDialog::find_focus() const
577 for (const InstantiatedSpinner &is : controller_spinners) {
578 if (is.spinner->hasFocus()) {
579 return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
582 for (const InstantiatedSpinner &is : button_spinners) {
583 if (is.spinner->hasFocus()) {
584 return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
587 for (const InstantiatedSpinner &is : light_spinners) {
588 if (is.spinner->hasFocus()) {
589 return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
592 return FocusInfo{ -1, SpinnerGroup::ALL_GROUPS, -1 };