+++ /dev/null
-#include "midi_mapping_dialog.h"
-
-#include <assert.h>
-#include <google/protobuf/descriptor.h>
-#include <google/protobuf/message.h>
-#include <QComboBox>
-#include <QDialogButtonBox>
-#include <QFileDialog>
-#include <QMessageBox>
-#include <QPushButton>
-#include <QSpinBox>
-#include <QStringList>
-#include <QTreeWidget>
-#include <stdio.h>
-#include <algorithm>
-#include <cstddef>
-#include <functional>
-#include <limits>
-#include <string>
-
-#include "midi_mapper.h"
-#include "midi_mapping.pb.h"
-#include "post_to_main_thread.h"
-#include "ui_midi_mapping.h"
-
-class QObject;
-
-using namespace google::protobuf;
-using namespace std;
-
-vector<MIDIMappingDialog::Control> per_bus_controllers = {
- { "Stereo width", MIDIMappingBusProto::kStereoWidthFieldNumber,
- MIDIMappingProto::kStereoWidthBankFieldNumber },
- { "Treble", MIDIMappingBusProto::kTrebleFieldNumber, MIDIMappingProto::kTrebleBankFieldNumber },
- { "Mid", MIDIMappingBusProto::kMidFieldNumber, MIDIMappingProto::kMidBankFieldNumber },
- { "Bass", MIDIMappingBusProto::kBassFieldNumber, MIDIMappingProto::kBassBankFieldNumber },
- { "Gain", MIDIMappingBusProto::kGainFieldNumber, MIDIMappingProto::kGainBankFieldNumber },
- { "Compressor threshold", MIDIMappingBusProto::kCompressorThresholdFieldNumber,
- MIDIMappingProto::kCompressorThresholdBankFieldNumber},
- { "Fader", MIDIMappingBusProto::kFaderFieldNumber, MIDIMappingProto::kFaderBankFieldNumber }
-};
-vector<MIDIMappingDialog::Control> per_bus_buttons = {
- { "Toggle mute", MIDIMappingBusProto::kToggleMuteFieldNumber,
- MIDIMappingProto::kToggleMuteBankFieldNumber },
- { "Toggle locut", MIDIMappingBusProto::kToggleLocutFieldNumber,
- MIDIMappingProto::kToggleLocutBankFieldNumber },
- { "Togle auto gain staging", MIDIMappingBusProto::kToggleAutoGainStagingFieldNumber,
- MIDIMappingProto::kToggleAutoGainStagingBankFieldNumber },
- { "Togle compressor", MIDIMappingBusProto::kToggleCompressorFieldNumber,
- MIDIMappingProto::kToggleCompressorBankFieldNumber },
- { "Clear peak", MIDIMappingBusProto::kClearPeakFieldNumber,
- MIDIMappingProto::kClearPeakBankFieldNumber }
-};
-vector<MIDIMappingDialog::Control> per_bus_lights = {
- { "Is muted", MIDIMappingBusProto::kIsMutedFieldNumber, 0 },
- { "Locut is on", MIDIMappingBusProto::kLocutIsOnFieldNumber, 0 },
- { "Auto gain staging is on", MIDIMappingBusProto::kAutoGainStagingIsOnFieldNumber, 0 },
- { "Compressor is on", MIDIMappingBusProto::kCompressorIsOnFieldNumber, 0 },
- { "Bus has peaked", MIDIMappingBusProto::kHasPeakedFieldNumber, 0 }
-};
-vector<MIDIMappingDialog::Control> global_controllers = {
- { "Locut cutoff", MIDIMappingBusProto::kLocutFieldNumber, MIDIMappingProto::kLocutBankFieldNumber },
- { "Limiter threshold", MIDIMappingBusProto::kLimiterThresholdFieldNumber,
- MIDIMappingProto::kLimiterThresholdBankFieldNumber },
- { "Makeup gain", MIDIMappingBusProto::kMakeupGainFieldNumber,
- MIDIMappingProto::kMakeupGainBankFieldNumber }
-};
-vector<MIDIMappingDialog::Control> global_buttons = {
- { "Previous bank", MIDIMappingBusProto::kPrevBankFieldNumber, 0 },
- { "Next bank", MIDIMappingBusProto::kNextBankFieldNumber, 0 },
- { "Select bank 1", MIDIMappingBusProto::kSelectBank1FieldNumber, 0 },
- { "Select bank 2", MIDIMappingBusProto::kSelectBank2FieldNumber, 0 },
- { "Select bank 3", MIDIMappingBusProto::kSelectBank3FieldNumber, 0 },
- { "Select bank 4", MIDIMappingBusProto::kSelectBank4FieldNumber, 0 },
- { "Select bank 5", MIDIMappingBusProto::kSelectBank5FieldNumber, 0 },
- { "Toggle limiter", MIDIMappingBusProto::kToggleLimiterFieldNumber, MIDIMappingProto::kToggleLimiterBankFieldNumber },
- { "Toggle auto makeup gain", MIDIMappingBusProto::kToggleAutoMakeupGainFieldNumber, MIDIMappingProto::kToggleAutoMakeupGainBankFieldNumber }
-};
-vector<MIDIMappingDialog::Control> global_lights = {
- { "Bank 1 is selected", MIDIMappingBusProto::kBank1IsSelectedFieldNumber, 0 },
- { "Bank 2 is selected", MIDIMappingBusProto::kBank2IsSelectedFieldNumber, 0 },
- { "Bank 3 is selected", MIDIMappingBusProto::kBank3IsSelectedFieldNumber, 0 },
- { "Bank 4 is selected", MIDIMappingBusProto::kBank4IsSelectedFieldNumber, 0 },
- { "Bank 5 is selected", MIDIMappingBusProto::kBank5IsSelectedFieldNumber, 0 },
- { "Limiter is on", MIDIMappingBusProto::kLimiterIsOnFieldNumber, 0 },
- { "Auto makeup gain is on", MIDIMappingBusProto::kAutoMakeupGainIsOnFieldNumber, 0 },
-};
-
-namespace {
-
-int get_bank(const MIDIMappingProto &mapping_proto, int bank_field_number, int default_value)
-{
- const FieldDescriptor *bank_descriptor = mapping_proto.GetDescriptor()->FindFieldByNumber(bank_field_number);
- const Reflection *reflection = mapping_proto.GetReflection();
- if (!reflection->HasField(mapping_proto, bank_descriptor)) {
- return default_value;
- }
- return reflection->GetInt32(mapping_proto, bank_descriptor);
-}
-
-int get_controller_mapping(const MIDIMappingProto &mapping_proto, size_t bus_idx, int field_number, int default_value)
-{
- if (bus_idx >= size_t(mapping_proto.bus_mapping_size())) {
- return default_value;
- }
-
- const MIDIMappingBusProto &bus_mapping = mapping_proto.bus_mapping(bus_idx);
- const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
- const Reflection *bus_reflection = bus_mapping.GetReflection();
- if (!bus_reflection->HasField(bus_mapping, descriptor)) {
- return default_value;
- }
- const MIDIControllerProto &controller_proto =
- static_cast<const MIDIControllerProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
- return controller_proto.controller_number();
-}
-
-int get_button_mapping(const MIDIMappingProto &mapping_proto, size_t bus_idx, int field_number, int default_value)
-{
- if (bus_idx >= size_t(mapping_proto.bus_mapping_size())) {
- return default_value;
- }
-
- const MIDIMappingBusProto &bus_mapping = mapping_proto.bus_mapping(bus_idx);
- const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
- const Reflection *bus_reflection = bus_mapping.GetReflection();
- if (!bus_reflection->HasField(bus_mapping, descriptor)) {
- return default_value;
- }
- const MIDIButtonProto &bus_proto =
- static_cast<const MIDIButtonProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
- return bus_proto.note_number();
-}
-
-int get_light_mapping(const MIDIMappingProto &mapping_proto, size_t bus_idx, int field_number, int default_value)
-{
- if (bus_idx >= size_t(mapping_proto.bus_mapping_size())) {
- return default_value;
- }
-
- const MIDIMappingBusProto &bus_mapping = mapping_proto.bus_mapping(bus_idx);
- const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
- const Reflection *bus_reflection = bus_mapping.GetReflection();
- if (!bus_reflection->HasField(bus_mapping, descriptor)) {
- return default_value;
- }
- const MIDILightProto &bus_proto =
- static_cast<const MIDILightProto &>(bus_reflection->GetMessage(bus_mapping, descriptor));
- return bus_proto.note_number();
-}
-
-} // namespace
-
-MIDIMappingDialog::MIDIMappingDialog(MIDIMapper *mapper)
- : ui(new Ui::MIDIMappingDialog),
- mapper(mapper)
-{
- ui->setupUi(this);
-
- const MIDIMappingProto mapping_proto = mapper->get_current_mapping(); // Take a copy.
- old_receiver = mapper->set_receiver(this);
-
- QStringList labels;
- labels << "";
- labels << "Controller bank";
- for (unsigned bus_idx = 0; bus_idx < num_buses; ++bus_idx) {
- char buf[256];
- snprintf(buf, sizeof(buf), "Bus %d", bus_idx + 1);
- labels << buf;
- }
- labels << "";
- ui->treeWidget->setColumnCount(num_buses + 3);
- ui->treeWidget->setHeaderLabels(labels);
-
- add_controls("Per-bus controllers", ControlType::CONTROLLER, SpinnerGroup::PER_BUS_CONTROLLERS, mapping_proto, per_bus_controllers);
- add_controls("Per-bus buttons", ControlType::BUTTON, SpinnerGroup::PER_BUS_BUTTONS, mapping_proto, per_bus_buttons);
- add_controls("Per-bus lights", ControlType::LIGHT, SpinnerGroup::PER_BUS_LIGHTS, mapping_proto, per_bus_lights);
- add_controls("Global controllers", ControlType::CONTROLLER, SpinnerGroup::GLOBAL_CONTROLLERS, mapping_proto, global_controllers);
- add_controls("Global buttons", ControlType::BUTTON, SpinnerGroup::GLOBAL_BUTTONS, mapping_proto, global_buttons);
- add_controls("Global lights", ControlType::LIGHT, SpinnerGroup::GLOBAL_LIGHTS, mapping_proto, global_lights);
- fill_controls_from_mapping(mapping_proto);
-
- // Auto-resize every column but the last.
- for (unsigned column_idx = 0; column_idx < num_buses + 3; ++column_idx) {
- ui->treeWidget->resizeColumnToContents(column_idx);
- }
-
- connect(ui->guess_bus_button, &QPushButton::clicked,
- bind(&MIDIMappingDialog::guess_clicked, this, false));
- connect(ui->guess_group_button, &QPushButton::clicked,
- bind(&MIDIMappingDialog::guess_clicked, this, true));
- connect(ui->ok_cancel_buttons, &QDialogButtonBox::accepted, this, &MIDIMappingDialog::ok_clicked);
- connect(ui->ok_cancel_buttons, &QDialogButtonBox::rejected, this, &MIDIMappingDialog::cancel_clicked);
- connect(ui->save_button, &QPushButton::clicked, this, &MIDIMappingDialog::save_clicked);
- connect(ui->load_button, &QPushButton::clicked, this, &MIDIMappingDialog::load_clicked);
-
- update_guess_button_state();
-}
-
-MIDIMappingDialog::~MIDIMappingDialog()
-{
- mapper->set_receiver(old_receiver);
- mapper->refresh_highlights();
-}
-
-bool MIDIMappingDialog::eventFilter(QObject *obj, QEvent *event)
-{
- if (event->type() == QEvent::FocusIn ||
- event->type() == QEvent::FocusOut) {
- // We ignore the guess buttons themselves; it should be allowed
- // to navigate from a spinner to focus on a button (to click it).
- if (obj != ui->guess_bus_button && obj != ui->guess_group_button) {
- update_guess_button_state();
- }
- }
- return false;
-}
-
-void MIDIMappingDialog::guess_clicked(bool limit_to_group)
-{
- FocusInfo focus = find_focus();
- if (focus.bus_idx == -1) {
- // The guess button probably took the focus away from us.
- focus = last_focus;
- }
- assert(focus.bus_idx != -1); // The button should have been disabled.
- pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, limit_to_group ? focus.spinner_group : SpinnerGroup::ALL_GROUPS);
- const int source_bus_idx = bus_and_offset.first;
- const int offset = bus_and_offset.second;
- assert(source_bus_idx != -1); // The button should have been disabled.
-
- for (const auto &field_number_and_spinner : spinners[focus.bus_idx]) {
- int field_number = field_number_and_spinner.first;
- QSpinBox *spinner = field_number_and_spinner.second.spinner;
- SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
-
- if (limit_to_group && this_spinner_group != focus.spinner_group) {
- continue;
- }
-
- assert(spinners[source_bus_idx].count(field_number));
- QSpinBox *source_spinner = spinners[source_bus_idx][field_number].spinner;
- assert(spinners[source_bus_idx][field_number].group == this_spinner_group);
-
- if (source_spinner->value() != -1) {
- spinner->setValue(source_spinner->value() + offset);
- }
- }
-
- // See if we can find a “next” bus to move the focus to.
- const int next_bus_idx = focus.bus_idx + (focus.bus_idx - source_bus_idx); // Note: Could become e.g. -1.
- for (const InstantiatedSpinner &is : controller_spinners) {
- if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
- is.spinner->setFocus();
- }
- }
- for (const InstantiatedSpinner &is : button_spinners) {
- if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
- is.spinner->setFocus();
- }
- }
- for (const InstantiatedSpinner &is : light_spinners) {
- if (int(is.bus_idx) == next_bus_idx && is.field_number == focus.field_number) {
- is.spinner->setFocus();
- }
- }
-}
-
-void MIDIMappingDialog::ok_clicked()
-{
- unique_ptr<MIDIMappingProto> new_mapping = construct_mapping_proto_from_ui();
- mapper->set_midi_mapping(*new_mapping);
- mapper->set_receiver(old_receiver);
- accept();
-}
-
-void MIDIMappingDialog::cancel_clicked()
-{
- mapper->set_receiver(old_receiver);
- reject();
-}
-
-void MIDIMappingDialog::save_clicked()
-{
-#if HAVE_CEF
- // The native file dialog uses GTK+, which interferes with CEF's use of the GLib main loop.
- QFileDialog::Options options(QFileDialog::DontUseNativeDialog);
-#else
- QFileDialog::Options options;
-#endif
- unique_ptr<MIDIMappingProto> new_mapping = construct_mapping_proto_from_ui();
- QString filename = QFileDialog::getSaveFileName(this,
- "Save MIDI mapping", QString(), tr("Mapping files (*.midimapping)"), /*selectedFilter=*/nullptr, options);
- if (!filename.endsWith(".midimapping")) {
- filename += ".midimapping";
- }
- if (!save_midi_mapping_to_file(*new_mapping, filename.toStdString())) {
- QMessageBox box;
- box.setText("Could not save mapping to '" + filename + "'. Check that you have the right permissions and try again.");
- box.exec();
- }
-}
-
-void MIDIMappingDialog::load_clicked()
-{
-#if HAVE_CEF
- // The native file dialog uses GTK+, which interferes with CEF's use of the GLib main loop.
- QFileDialog::Options options(QFileDialog::DontUseNativeDialog);
-#else
- QFileDialog::Options options;
-#endif
- QString filename = QFileDialog::getOpenFileName(this,
- "Load MIDI mapping", QString(), tr("Mapping files (*.midimapping)"), /*selectedFilter=*/nullptr, options);
- MIDIMappingProto new_mapping;
- if (!load_midi_mapping_from_file(filename.toStdString(), &new_mapping)) {
- QMessageBox box;
- box.setText("Could not load mapping from '" + filename + "'. Check that the file exists, has the right permissions and is valid.");
- box.exec();
- return;
- }
-
- fill_controls_from_mapping(new_mapping);
-}
-
-namespace {
-
-template<class T>
-T *get_mutable_bus_message(MIDIMappingProto *mapping_proto, unsigned bus_idx, int field_number)
-{
- while (size_t(mapping_proto->bus_mapping_size()) <= bus_idx) {
- mapping_proto->add_bus_mapping();
- }
-
- MIDIMappingBusProto *bus_mapping = mapping_proto->mutable_bus_mapping(bus_idx);
- const FieldDescriptor *descriptor = bus_mapping->GetDescriptor()->FindFieldByNumber(field_number);
- const Reflection *bus_reflection = bus_mapping->GetReflection();
- return static_cast<T *>(bus_reflection->MutableMessage(bus_mapping, descriptor));
-}
-
-} // namespace
-
-unique_ptr<MIDIMappingProto> MIDIMappingDialog::construct_mapping_proto_from_ui()
-{
- unique_ptr<MIDIMappingProto> mapping_proto(new MIDIMappingProto);
- for (const InstantiatedSpinner &is : controller_spinners) {
- const int val = is.spinner->value();
- if (val == -1) {
- continue;
- }
-
- MIDIControllerProto *controller_proto =
- get_mutable_bus_message<MIDIControllerProto>(mapping_proto.get(), is.bus_idx, is.field_number);
- controller_proto->set_controller_number(val);
- }
- for (const InstantiatedSpinner &is : button_spinners) {
- const int val = is.spinner->value();
- if (val == -1) {
- continue;
- }
-
- MIDIButtonProto *button_proto =
- get_mutable_bus_message<MIDIButtonProto>(mapping_proto.get(), is.bus_idx, is.field_number);
- button_proto->set_note_number(val);
- }
- for (const InstantiatedSpinner &is : light_spinners) {
- const int val = is.spinner->value();
- if (val == -1) {
- continue;
- }
-
- MIDILightProto *light_proto =
- get_mutable_bus_message<MIDILightProto>(mapping_proto.get(), is.bus_idx, is.field_number);
- light_proto->set_note_number(val);
- }
- int highest_bank_used = 0; // 1-indexed.
- for (const InstantiatedComboBox &ic : bank_combo_boxes) {
- const int val = ic.combo_box->currentIndex();
- highest_bank_used = std::max(highest_bank_used, val);
- if (val == 0) {
- continue;
- }
-
- const FieldDescriptor *descriptor = mapping_proto->GetDescriptor()->FindFieldByNumber(ic.field_number);
- const Reflection *bus_reflection = mapping_proto->GetReflection();
- bus_reflection->SetInt32(mapping_proto.get(), descriptor, val - 1);
- }
- mapping_proto->set_num_controller_banks(highest_bank_used);
- return mapping_proto;
-}
-
-void MIDIMappingDialog::add_bank_selector(QTreeWidgetItem *item, const MIDIMappingProto &mapping_proto, int bank_field_number)
-{
- if (bank_field_number == 0) {
- return;
- }
- QComboBox *bank_selector = new QComboBox(this);
- bank_selector->addItems(QStringList() << "" << "Bank 1" << "Bank 2" << "Bank 3" << "Bank 4" << "Bank 5");
- bank_selector->setAutoFillBackground(true);
-
- bank_combo_boxes.push_back(InstantiatedComboBox{ bank_selector, bank_field_number });
-
- ui->treeWidget->setItemWidget(item, 1, bank_selector);
-}
-
-void MIDIMappingDialog::add_controls(const string &heading,
- MIDIMappingDialog::ControlType control_type,
- MIDIMappingDialog::SpinnerGroup spinner_group,
- const MIDIMappingProto &mapping_proto,
- const vector<MIDIMappingDialog::Control> &controls)
-{
- QTreeWidgetItem *heading_item = new QTreeWidgetItem(ui->treeWidget);
- heading_item->setText(0, QString::fromStdString(heading));
- heading_item->setFirstColumnSpanned(true);
- heading_item->setExpanded(true);
- for (const Control &control : controls) {
- QTreeWidgetItem *item = new QTreeWidgetItem(heading_item);
- heading_item->addChild(item);
- add_bank_selector(item, mapping_proto, control.bank_field_number);
- item->setText(0, QString::fromStdString(control.label + " "));
-
- for (unsigned bus_idx = 0; bus_idx < num_buses; ++bus_idx) {
- QSpinBox *spinner = new QSpinBox(this);
- spinner->setRange(-1, 127);
- spinner->setAutoFillBackground(true);
- spinner->setSpecialValueText("\u200d"); // Zero-width joiner (ie., empty).
- spinner->installEventFilter(this); // So we know when the focus changes.
- ui->treeWidget->setItemWidget(item, bus_idx + 2, spinner);
-
- if (control_type == ControlType::CONTROLLER) {
- controller_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
- } else if (control_type == ControlType::BUTTON) {
- button_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
- } else {
- assert(control_type == ControlType::LIGHT);
- light_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, spinner_group, control.field_number });
- }
- spinners[bus_idx][control.field_number] = SpinnerAndGroup{ spinner, spinner_group };
- connect(spinner, static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged),
- bind(&MIDIMappingDialog::update_guess_button_state, this));
- }
- }
- ui->treeWidget->addTopLevelItem(heading_item);
-}
-
-void MIDIMappingDialog::fill_controls_from_mapping(const MIDIMappingProto &mapping_proto)
-{
- for (const InstantiatedSpinner &is : controller_spinners) {
- is.spinner->setValue(get_controller_mapping(mapping_proto, is.bus_idx, is.field_number, -1));
- }
- for (const InstantiatedSpinner &is : button_spinners) {
- is.spinner->setValue(get_button_mapping(mapping_proto, is.bus_idx, is.field_number, -1));
- }
- for (const InstantiatedSpinner &is : light_spinners) {
- is.spinner->setValue(get_light_mapping(mapping_proto, is.bus_idx, is.field_number, -1));
- }
- for (const InstantiatedComboBox &ic : bank_combo_boxes) {
- ic.combo_box->setCurrentIndex(get_bank(mapping_proto, ic.field_number, -1) + 1);
- }
-}
-
-void MIDIMappingDialog::controller_changed(unsigned controller)
-{
- post_to_main_thread([=]{
- for (const InstantiatedSpinner &is : controller_spinners) {
- if (is.spinner->hasFocus()) {
- is.spinner->setValue(controller);
- is.spinner->selectAll();
- }
- }
- });
-}
-
-void MIDIMappingDialog::note_on(unsigned note)
-{
- post_to_main_thread([=]{
- for (const InstantiatedSpinner &is : button_spinners) {
- if (is.spinner->hasFocus()) {
- is.spinner->setValue(note);
- is.spinner->selectAll();
- }
- }
- for (const InstantiatedSpinner &is : light_spinners) {
- if (is.spinner->hasFocus()) {
- is.spinner->setValue(note);
- is.spinner->selectAll();
- }
- }
- });
-}
-
-pair<int, int> MIDIMappingDialog::guess_offset(unsigned bus_idx, MIDIMappingDialog::SpinnerGroup spinner_group)
-{
- constexpr pair<int, int> not_found(-1, 0);
-
- if (bus_is_empty(bus_idx, spinner_group)) {
- return not_found;
- }
-
- // See if we can find a non-empty bus to source from (prefer from the left).
- unsigned source_bus_idx;
- if (bus_idx > 0 && !bus_is_empty(bus_idx - 1, spinner_group)) {
- source_bus_idx = bus_idx - 1;
- } else if (bus_idx < num_buses - 1 && !bus_is_empty(bus_idx + 1, spinner_group)) {
- source_bus_idx = bus_idx + 1;
- } else {
- return not_found;
- }
-
- // See if we can find a consistent offset.
- bool found_offset = false;
- int offset = 0;
- int minimum_allowed_offset = numeric_limits<int>::min();
- int maximum_allowed_offset = numeric_limits<int>::max();
- for (const auto &field_number_and_spinner : spinners[bus_idx]) {
- int field_number = field_number_and_spinner.first;
- QSpinBox *spinner = field_number_and_spinner.second.spinner;
- SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
- assert(spinners[source_bus_idx].count(field_number));
- QSpinBox *source_spinner = spinners[source_bus_idx][field_number].spinner;
- assert(spinners[source_bus_idx][field_number].group == this_spinner_group);
-
- if (spinner_group != SpinnerGroup::ALL_GROUPS &&
- spinner_group != this_spinner_group) {
- continue;
- }
- if (spinner->value() == -1) {
- if (source_spinner->value() != -1) {
- // If the source value is e.g. 3, offset can't be less than -2 or larger than 124.
- // Otherwise, we'd extrapolate values outside [1..127].
- minimum_allowed_offset = max(minimum_allowed_offset, 1 - source_spinner->value());
- maximum_allowed_offset = min(maximum_allowed_offset, 127 - source_spinner->value());
- }
- continue;
- }
- if (source_spinner->value() == -1) {
- // The bus has a controller set that the source bus doesn't set.
- return not_found;
- }
-
- int candidate_offset = spinner->value() - source_spinner->value();
- if (!found_offset) {
- offset = candidate_offset;
- found_offset = true;
- } else if (candidate_offset != offset) {
- return not_found;
- }
- }
-
- if (!found_offset) {
- // Given that the bus wasn't empty, this shouldn't happen.
- assert(false);
- return not_found;
- }
-
- if (offset < minimum_allowed_offset || offset > maximum_allowed_offset) {
- return not_found;
- }
- return make_pair(source_bus_idx, offset);
-}
-
-bool MIDIMappingDialog::bus_is_empty(unsigned bus_idx, SpinnerGroup spinner_group)
-{
- for (const auto &field_number_and_spinner : spinners[bus_idx]) {
- QSpinBox *spinner = field_number_and_spinner.second.spinner;
- SpinnerGroup this_spinner_group = field_number_and_spinner.second.group;
- if (spinner_group != SpinnerGroup::ALL_GROUPS &&
- spinner_group != this_spinner_group) {
- continue;
- }
- if (spinner->value() != -1) {
- return false;
- }
- }
- return true;
-}
-
-void MIDIMappingDialog::update_guess_button_state()
-{
- FocusInfo focus = find_focus();
- if (focus.bus_idx < 0) {
- return;
- }
- {
- pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, SpinnerGroup::ALL_GROUPS);
- ui->guess_bus_button->setEnabled(bus_and_offset.first != -1);
- }
- {
- pair<int, int> bus_and_offset = guess_offset(focus.bus_idx, focus.spinner_group);
- ui->guess_group_button->setEnabled(bus_and_offset.first != -1);
- }
- last_focus = focus;
-}
-
-MIDIMappingDialog::FocusInfo MIDIMappingDialog::find_focus() const
-{
- for (const InstantiatedSpinner &is : controller_spinners) {
- if (is.spinner->hasFocus()) {
- return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
- }
- }
- for (const InstantiatedSpinner &is : button_spinners) {
- if (is.spinner->hasFocus()) {
- return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
- }
- }
- for (const InstantiatedSpinner &is : light_spinners) {
- if (is.spinner->hasFocus()) {
- return FocusInfo{ int(is.bus_idx), is.spinner_group, is.field_number };
- }
- }
- return FocusInfo{ -1, SpinnerGroup::ALL_GROUPS, -1 };
-}
projects / nageru / blobdiff