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 "shared/post_to_main_thread.h"
24 #include "ui_midi_mapping.h"
28 using namespace google::protobuf;
31 vector<MIDIMappingDialog::Control> per_bus_controllers = {
32 { "Stereo width", MIDIMappingBusProto::kStereoWidthFieldNumber,
33 MIDIMappingProto::kStereoWidthBankFieldNumber },
34 { "Treble", MIDIMappingBusProto::kTrebleFieldNumber, MIDIMappingProto::kTrebleBankFieldNumber },
35 { "Mid", MIDIMappingBusProto::kMidFieldNumber, MIDIMappingProto::kMidBankFieldNumber },
36 { "Bass", MIDIMappingBusProto::kBassFieldNumber, MIDIMappingProto::kBassBankFieldNumber },
37 { "Gain", MIDIMappingBusProto::kGainFieldNumber, MIDIMappingProto::kGainBankFieldNumber },
38 { "Compressor threshold", MIDIMappingBusProto::kCompressorThresholdFieldNumber,
39 MIDIMappingProto::kCompressorThresholdBankFieldNumber},
40 { "Fader", MIDIMappingBusProto::kFaderFieldNumber, MIDIMappingProto::kFaderBankFieldNumber }
42 vector<MIDIMappingDialog::Control> per_bus_buttons = {
43 { "Toggle mute", MIDIMappingBusProto::kToggleMuteFieldNumber,
44 MIDIMappingProto::kToggleMuteBankFieldNumber },
45 { "Toggle locut", MIDIMappingBusProto::kToggleLocutFieldNumber,
46 MIDIMappingProto::kToggleLocutBankFieldNumber },
47 { "Togle auto gain staging", MIDIMappingBusProto::kToggleAutoGainStagingFieldNumber,
48 MIDIMappingProto::kToggleAutoGainStagingBankFieldNumber },
49 { "Togle compressor", MIDIMappingBusProto::kToggleCompressorFieldNumber,
50 MIDIMappingProto::kToggleCompressorBankFieldNumber },
51 { "Clear peak", MIDIMappingBusProto::kClearPeakFieldNumber,
52 MIDIMappingProto::kClearPeakBankFieldNumber }
54 vector<MIDIMappingDialog::Control> per_bus_lights = {
55 { "Is muted", MIDIMappingBusProto::kIsMutedFieldNumber, 0 },
56 { "Locut is on", MIDIMappingBusProto::kLocutIsOnFieldNumber, 0 },
57 { "Auto gain staging is on", MIDIMappingBusProto::kAutoGainStagingIsOnFieldNumber, 0 },
58 { "Compressor is on", MIDIMappingBusProto::kCompressorIsOnFieldNumber, 0 },
59 { "Bus has peaked", MIDIMappingBusProto::kHasPeakedFieldNumber, 0 }
61 vector<MIDIMappingDialog::Control> global_controllers = {
62 { "Locut cutoff", MIDIMappingBusProto::kLocutFieldNumber, MIDIMappingProto::kLocutBankFieldNumber },
63 { "Limiter threshold", MIDIMappingBusProto::kLimiterThresholdFieldNumber,
64 MIDIMappingProto::kLimiterThresholdBankFieldNumber },
65 { "Makeup gain", MIDIMappingBusProto::kMakeupGainFieldNumber,
66 MIDIMappingProto::kMakeupGainBankFieldNumber }
68 vector<MIDIMappingDialog::Control> global_buttons = {
69 { "Previous bank", MIDIMappingBusProto::kPrevBankFieldNumber, 0 },
70 { "Next bank", MIDIMappingBusProto::kNextBankFieldNumber, 0 },
71 { "Select bank 1", MIDIMappingBusProto::kSelectBank1FieldNumber, 0 },
72 { "Select bank 2", MIDIMappingBusProto::kSelectBank2FieldNumber, 0 },
73 { "Select bank 3", MIDIMappingBusProto::kSelectBank3FieldNumber, 0 },
74 { "Select bank 4", MIDIMappingBusProto::kSelectBank4FieldNumber, 0 },
75 { "Select bank 5", MIDIMappingBusProto::kSelectBank5FieldNumber, 0 },
76 { "Toggle limiter", MIDIMappingBusProto::kToggleLimiterFieldNumber, MIDIMappingProto::kToggleLimiterBankFieldNumber },
77 { "Toggle auto makeup gain", MIDIMappingBusProto::kToggleAutoMakeupGainFieldNumber, MIDIMappingProto::kToggleAutoMakeupGainBankFieldNumber }
79 vector<MIDIMappingDialog::Control> global_lights = {
80 { "Bank 1 is selected", MIDIMappingBusProto::kBank1IsSelectedFieldNumber, 0 },
81 { "Bank 2 is selected", MIDIMappingBusProto::kBank2IsSelectedFieldNumber, 0 },
82 { "Bank 3 is selected", MIDIMappingBusProto::kBank3IsSelectedFieldNumber, 0 },
83 { "Bank 4 is selected", MIDIMappingBusProto::kBank4IsSelectedFieldNumber, 0 },
84 { "Bank 5 is selected", MIDIMappingBusProto::kBank5IsSelectedFieldNumber, 0 },
85 { "Limiter is on", MIDIMappingBusProto::kLimiterIsOnFieldNumber, 0 },
86 { "Auto makeup gain is on", MIDIMappingBusProto::kAutoMakeupGainIsOnFieldNumber, 0 },
91 int get_bank(const MIDIMappingProto &mapping_proto, int bank_field_number, int default_value)
93 const FieldDescriptor *bank_descriptor = mapping_proto.GetDescriptor()->FindFieldByNumber(bank_field_number);
94 const Reflection *reflection = mapping_proto.GetReflection();
95 if (!reflection->HasField(mapping_proto, bank_descriptor)) {
98 return reflection->GetInt32(mapping_proto, bank_descriptor);
101 int get_controller_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 MIDIControllerProto &controller_proto =
114 static_cast<const MIDIControllerProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
115 return controller_proto.controller_number();
118 int get_button_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 MIDIButtonProto &bus_proto =
131 static_cast<const MIDIButtonProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
132 return bus_proto.note_number();
135 int get_light_mapping(const MIDIMappingProto &mapping_proto, size_t bus_idx, int field_number, int default_value)
137 if (bus_idx >= size_t(mapping_proto.bus_mapping_size())) {
138 return default_value;
141 const MIDIMappingBusProto &bus_mapping = mapping_proto.bus_mapping(bus_idx);
142 const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
143 const Reflection *bus_reflection = bus_mapping.GetReflection();
144 if (!bus_reflection->HasField(bus_mapping, descriptor)) {
145 return default_value;
147 const MIDILightProto &bus_proto =
148 static_cast<const MIDILightProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
149 return bus_proto.note_number();
154 MIDIMappingDialog::MIDIMappingDialog(MIDIMapper *mapper)
155 : ui(new Ui::MIDIMappingDialog),
160 const MIDIMappingProto mapping_proto = mapper->get_current_mapping(); // Take a copy.
161 old_receiver = mapper->set_receiver(this);
165 labels << "Controller bank";
166 for (unsigned bus_idx = 0; bus_idx < num_buses; ++bus_idx) {
168 snprintf(buf, sizeof(buf), "Bus %d", bus_idx + 1);
172 ui->treeWidget->setColumnCount(num_buses + 3);
173 ui->treeWidget->setHeaderLabels(labels);
175 add_controls("Per-bus controllers", ControlType::CONTROLLER, SpinnerGroup::PER_BUS_CONTROLLERS, mapping_proto, per_bus_controllers);
176 add_controls("Per-bus buttons", ControlType::BUTTON, SpinnerGroup::PER_BUS_BUTTONS, mapping_proto, per_bus_buttons);
177 add_controls("Per-bus lights", ControlType::LIGHT, SpinnerGroup::PER_BUS_LIGHTS, mapping_proto, per_bus_lights);
178 add_controls("Global controllers", ControlType::CONTROLLER, SpinnerGroup::GLOBAL_CONTROLLERS, mapping_proto, global_controllers);
179 add_controls("Global buttons", ControlType::BUTTON, SpinnerGroup::GLOBAL_BUTTONS, mapping_proto, global_buttons);
180 add_controls("Global lights", ControlType::LIGHT, SpinnerGroup::GLOBAL_LIGHTS, mapping_proto, global_lights);
181 fill_controls_from_mapping(mapping_proto);
183 // Auto-resize every column but the last.
184 for (unsigned column_idx = 0; column_idx < num_buses + 3; ++column_idx) {
185 ui->treeWidget->resizeColumnToContents(column_idx);
188 connect(ui->guess_bus_button, &QPushButton::clicked,
189 bind(&MIDIMappingDialog::guess_clicked, this, false));
190 connect(ui->guess_group_button, &QPushButton::clicked,
191 bind(&MIDIMappingDialog::guess_clicked, this, true));
192 connect(ui->ok_cancel_buttons, &QDialogButtonBox::accepted, this, &MIDIMappingDialog::ok_clicked);
193 connect(ui->ok_cancel_buttons, &QDialogButtonBox::rejected, this, &MIDIMappingDialog::cancel_clicked);
194 connect(ui->save_button, &QPushButton::clicked, this, &MIDIMappingDialog::save_clicked);
195 connect(ui->load_button, &QPushButton::clicked, this, &MIDIMappingDialog::load_clicked);
197 update_guess_button_state();
200 MIDIMappingDialog::~MIDIMappingDialog()
202 mapper->set_receiver(old_receiver);
203 mapper->refresh_highlights();
206 bool MIDIMappingDialog::eventFilter(QObject *obj, QEvent *event)
208 if (event->type() == QEvent::FocusIn ||
209 event->type() == QEvent::FocusOut) {
210 // We ignore the guess buttons themselves; it should be allowed
211 // to navigate from a spinner to focus on a button (to click it).
212 if (obj != ui->guess_bus_button && obj != ui->guess_group_button) {
213 update_guess_button_state();
219 void MIDIMappingDialog::guess_clicked(bool limit_to_group)
221 FocusInfo focus = find_focus();
222 if (focus.bus_idx == -1) {
223 // The guess button probably took the focus away from us.
226 assert(focus.bus_idx != -1); // The button should have been disabled.
227 pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, limit_to_group ? focus.spinner_group : SpinnerGroup::ALL_GROUPS);
228 const int source_bus_idx = bus_and_offset.first;
229 const int offset = bus_and_offset.second;
230 assert(source_bus_idx != -1); // The button should have been disabled.
232 for (const auto &field_number_and_spinner : spinners[focus.bus_idx]) {
233 int field_number = field_number_and_spinner.first;
234 QSpinBox *spinner = field_number_and_spinner.second.spinner;
235 SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
237 if (limit_to_group && this_spinner_group != focus.spinner_group) {
241 assert(spinners[source_bus_idx].count(field_number));
242 QSpinBox *source_spinner = spinners[source_bus_idx][field_number].spinner;
243 assert(spinners[source_bus_idx][field_number].group == this_spinner_group);
245 if (source_spinner->value() != -1) {
246 spinner->setValue(source_spinner->value() + offset);
250 // See if we can find a “next” bus to move the focus to.
251 const int next_bus_idx = focus.bus_idx + (focus.bus_idx - source_bus_idx); // Note: Could become e.g. -1.
252 for (const InstantiatedSpinner &is : controller_spinners) {
253 if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
254 is.spinner->setFocus();
257 for (const InstantiatedSpinner &is : button_spinners) {
258 if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
259 is.spinner->setFocus();
262 for (const InstantiatedSpinner &is : light_spinners) {
263 if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
264 is.spinner->setFocus();
269 void MIDIMappingDialog::ok_clicked()
271 unique_ptr<MIDIMappingProto> new_mapping = construct_mapping_proto_from_ui();
272 mapper->set_midi_mapping(*new_mapping);
273 mapper->set_receiver(old_receiver);
277 void MIDIMappingDialog::cancel_clicked()
279 mapper->set_receiver(old_receiver);
283 void MIDIMappingDialog::save_clicked()
286 // The native file dialog uses GTK+, which interferes with CEF's use of the GLib main loop.
287 QFileDialog::Options options(QFileDialog::DontUseNativeDialog);
289 QFileDialog::Options options;
291 unique_ptr<MIDIMappingProto> new_mapping = construct_mapping_proto_from_ui();
292 QString filename = QFileDialog::getSaveFileName(this,
293 "Save MIDI mapping", QString(), tr("Mapping files (*.midimapping)"), /*selectedFilter=*/nullptr, options);
294 if (!filename.endsWith(".midimapping")) {
295 filename += ".midimapping";
297 if (!save_midi_mapping_to_file(*new_mapping, filename.toStdString())) {
299 box.setText("Could not save mapping to '" + filename + "'. Check that you have the right permissions and try again.");
304 void MIDIMappingDialog::load_clicked()
307 // The native file dialog uses GTK+, which interferes with CEF's use of the GLib main loop.
308 QFileDialog::Options options(QFileDialog::DontUseNativeDialog);
310 QFileDialog::Options options;
312 QString filename = QFileDialog::getOpenFileName(this,
313 "Load MIDI mapping", QString(), tr("Mapping files (*.midimapping)"), /*selectedFilter=*/nullptr, options);
314 MIDIMappingProto new_mapping;
315 if (!load_midi_mapping_from_file(filename.toStdString(), &new_mapping)) {
317 box.setText("Could not load mapping from '" + filename + "'. Check that the file exists, has the right permissions and is valid.");
322 fill_controls_from_mapping(new_mapping);
328 T *get_mutable_bus_message(MIDIMappingProto *mapping_proto, unsigned bus_idx, int field_number)
330 while (size_t(mapping_proto->bus_mapping_size()) <= bus_idx) {
331 mapping_proto->add_bus_mapping();
334 MIDIMappingBusProto *bus_mapping = mapping_proto->mutable_bus_mapping(bus_idx);
335 const FieldDescriptor *descriptor = bus_mapping->GetDescriptor()->FindFieldByNumber(field_number);
336 const Reflection *bus_reflection = bus_mapping->GetReflection();
337 return static_cast<T *>(bus_reflection->MutableMessage(bus_mapping, descriptor));
342 unique_ptr<MIDIMappingProto> MIDIMappingDialog::construct_mapping_proto_from_ui()
344 unique_ptr<MIDIMappingProto> mapping_proto(new MIDIMappingProto);
345 for (const InstantiatedSpinner &is : controller_spinners) {
346 const int val = is.spinner->value();
351 MIDIControllerProto *controller_proto =
352 get_mutable_bus_message<MIDIControllerProto>(mapping_proto.get(), is.bus_idx, is.field_number);
353 controller_proto->set_controller_number(val);
355 for (const InstantiatedSpinner &is : button_spinners) {
356 const int val = is.spinner->value();
361 MIDIButtonProto *button_proto =
362 get_mutable_bus_message<MIDIButtonProto>(mapping_proto.get(), is.bus_idx, is.field_number);
363 button_proto->set_note_number(val);
365 for (const InstantiatedSpinner &is : light_spinners) {
366 const int val = is.spinner->value();
371 MIDILightProto *light_proto =
372 get_mutable_bus_message<MIDILightProto>(mapping_proto.get(), is.bus_idx, is.field_number);
373 light_proto->set_note_number(val);
375 int highest_bank_used = 0; // 1-indexed.
376 for (const InstantiatedComboBox &ic : bank_combo_boxes) {
377 const int val = ic.combo_box->currentIndex();
378 highest_bank_used = std::max(highest_bank_used, val);
383 const FieldDescriptor *descriptor = mapping_proto->GetDescriptor()->FindFieldByNumber(ic.field_number);
384 const Reflection *bus_reflection = mapping_proto->GetReflection();
385 bus_reflection->SetInt32(mapping_proto.get(), descriptor, val - 1);
387 mapping_proto->set_num_controller_banks(highest_bank_used);
388 return mapping_proto;
391 void MIDIMappingDialog::add_bank_selector(QTreeWidgetItem *item, const MIDIMappingProto &mapping_proto, int bank_field_number)
393 if (bank_field_number == 0) {
396 QComboBox *bank_selector = new QComboBox(this);
397 bank_selector->addItems(QStringList() << "" << "Bank 1" << "Bank 2" << "Bank 3" << "Bank 4" << "Bank 5");
398 bank_selector->setAutoFillBackground(true);
400 bank_combo_boxes.push_back(InstantiatedComboBox{ bank_selector, bank_field_number });
402 ui->treeWidget->setItemWidget(item, 1, bank_selector);
405 void MIDIMappingDialog::add_controls(const string &heading,
406 MIDIMappingDialog::ControlType control_type,
407 MIDIMappingDialog::SpinnerGroup spinner_group,
408 const MIDIMappingProto &mapping_proto,
409 const vector<MIDIMappingDialog::Control> &controls)
411 QTreeWidgetItem *heading_item = new QTreeWidgetItem(ui->treeWidget);
412 heading_item->setText(0, QString::fromStdString(heading));
413 heading_item->setFirstColumnSpanned(true);
414 heading_item->setExpanded(true);
415 for (const Control &control : controls) {
416 QTreeWidgetItem *item = new QTreeWidgetItem(heading_item);
417 heading_item->addChild(item);
418 add_bank_selector(item, mapping_proto, control.bank_field_number);
419 item->setText(0, QString::fromStdString(control.label + " "));
421 for (unsigned bus_idx = 0; bus_idx < num_buses; ++bus_idx) {
422 QSpinBox *spinner = new QSpinBox(this);
423 spinner->setRange(-1, 127);
424 spinner->setAutoFillBackground(true);
425 spinner->setSpecialValueText("\u200d"); // Zero-width joiner (ie., empty).
426 spinner->installEventFilter(this); // So we know when the focus changes.
427 ui->treeWidget->setItemWidget(item, bus_idx + 2, spinner);
429 if (control_type == ControlType::CONTROLLER) {
430 controller_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
431 } else if (control_type == ControlType::BUTTON) {
432 button_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
434 assert(control_type == ControlType::LIGHT);
435 light_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
437 spinners[bus_idx][control.field_number] = SpinnerAndGroup{ spinner, spinner_group };
438 connect(spinner, static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged),
439 bind(&MIDIMappingDialog::update_guess_button_state, this));
442 ui->treeWidget->addTopLevelItem(heading_item);
445 void MIDIMappingDialog::fill_controls_from_mapping(const MIDIMappingProto &mapping_proto)
447 for (const InstantiatedSpinner &is : controller_spinners) {
448 is.spinner->setValue(get_controller_mapping(mapping_proto, is.bus_idx, is.field_number, -1));
450 for (const InstantiatedSpinner &is : button_spinners) {
451 is.spinner->setValue(get_button_mapping(mapping_proto, is.bus_idx, is.field_number, -1));
453 for (const InstantiatedSpinner &is : light_spinners) {
454 is.spinner->setValue(get_light_mapping(mapping_proto, is.bus_idx, is.field_number, -1));
456 for (const InstantiatedComboBox &ic : bank_combo_boxes) {
457 ic.combo_box->setCurrentIndex(get_bank(mapping_proto, ic.field_number, -1) + 1);
461 void MIDIMappingDialog::controller_changed(unsigned controller)
463 post_to_main_thread([=]{
464 for (const InstantiatedSpinner &is : controller_spinners) {
465 if (is.spinner->hasFocus()) {
466 is.spinner->setValue(controller);
467 is.spinner->selectAll();
473 void MIDIMappingDialog::note_on(unsigned note)
475 post_to_main_thread([=]{
476 for (const InstantiatedSpinner &is : button_spinners) {
477 if (is.spinner->hasFocus()) {
478 is.spinner->setValue(note);
479 is.spinner->selectAll();
482 for (const InstantiatedSpinner &is : light_spinners) {
483 if (is.spinner->hasFocus()) {
484 is.spinner->setValue(note);
485 is.spinner->selectAll();
491 pair<int, int> MIDIMappingDialog::guess_offset(unsigned bus_idx, MIDIMappingDialog::SpinnerGroup spinner_group)
493 constexpr pair<int, int> not_found(-1, 0);
495 if (bus_is_empty(bus_idx, spinner_group)) {
499 // See if we can find a non-empty bus to source from (prefer from the left).
500 unsigned source_bus_idx;
501 if (bus_idx > 0 && !bus_is_empty(bus_idx - 1, spinner_group)) {
502 source_bus_idx = bus_idx - 1;
503 } else if (bus_idx < num_buses - 1 && !bus_is_empty(bus_idx + 1, spinner_group)) {
504 source_bus_idx = bus_idx + 1;
509 // See if we can find a consistent offset.
510 bool found_offset = false;
512 int minimum_allowed_offset = numeric_limits<int>::min();
513 int maximum_allowed_offset = numeric_limits<int>::max();
514 for (const auto &field_number_and_spinner : spinners[bus_idx]) {
515 int field_number = field_number_and_spinner.first;
516 QSpinBox *spinner = field_number_and_spinner.second.spinner;
517 SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
518 assert(spinners[source_bus_idx].count(field_number));
519 QSpinBox *source_spinner = spinners[source_bus_idx][field_number].spinner;
520 assert(spinners[source_bus_idx][field_number].group == this_spinner_group);
522 if (spinner_group != SpinnerGroup::ALL_GROUPS &&
523 spinner_group != this_spinner_group) {
526 if (spinner->value() == -1) {
527 if (source_spinner->value() != -1) {
528 // If the source value is e.g. 3, offset can't be less than -2 or larger than 124.
529 // Otherwise, we'd extrapolate values outside [1..127].
530 minimum_allowed_offset = max(minimum_allowed_offset, 1 - source_spinner->value());
531 maximum_allowed_offset = min(maximum_allowed_offset, 127 - source_spinner->value());
535 if (source_spinner->value() == -1) {
536 // The bus has a controller set that the source bus doesn't set.
540 int candidate_offset = spinner->value() - source_spinner->value();
542 offset = candidate_offset;
544 } else if (candidate_offset != offset) {
550 // Given that the bus wasn't empty, this shouldn't happen.
555 if (offset < minimum_allowed_offset || offset > maximum_allowed_offset) {
558 return make_pair(source_bus_idx, offset);
561 bool MIDIMappingDialog::bus_is_empty(unsigned bus_idx, SpinnerGroup spinner_group)
563 for (const auto &field_number_and_spinner : spinners[bus_idx]) {
564 QSpinBox *spinner = field_number_and_spinner.second.spinner;
565 SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
566 if (spinner_group != SpinnerGroup::ALL_GROUPS &&
567 spinner_group != this_spinner_group) {
570 if (spinner->value() != -1) {
577 void MIDIMappingDialog::update_guess_button_state()
579 FocusInfo focus = find_focus();
580 if (focus.bus_idx < 0) {
584 pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, SpinnerGroup::ALL_GROUPS);
585 ui->guess_bus_button->setEnabled(bus_and_offset.first != -1);
588 pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, focus.spinner_group);
589 ui->guess_group_button->setEnabled(bus_and_offset.first != -1);
594 MIDIMappingDialog::FocusInfo MIDIMappingDialog::find_focus() const
596 for (const InstantiatedSpinner &is : controller_spinners) {
597 if (is.spinner->hasFocus()) {
598 return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
601 for (const InstantiatedSpinner &is : button_spinners) {
602 if (is.spinner->hasFocus()) {
603 return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
606 for (const InstantiatedSpinner &is : light_spinners) {
607 if (is.spinner->hasFocus()) {
608 return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
611 return FocusInfo{ -1, SpinnerGroup::ALL_GROUPS, -1 };