1 #include "input_mapping_dialog.h"
3 #include "ui_input_mapping.h"
8 using namespace std::placeholders;
10 InputMappingDialog::InputMappingDialog()
11 : ui(new Ui::InputMappingDialog),
12 mapping(global_mixer->get_audio_mixer()->get_input_mapping()),
14 devices(global_mixer->get_audio_mixer()->get_devices())
17 ui->table->setSelectionBehavior(QAbstractItemView::SelectRows);
18 ui->table->setSelectionMode(QAbstractItemView::SingleSelection); // Makes implementing moving easier for now.
20 fill_ui_from_mapping(mapping);
21 connect(ui->table, &QTableWidget::cellChanged, this, &InputMappingDialog::cell_changed);
22 connect(ui->ok_cancel_buttons, &QDialogButtonBox::accepted, this, &InputMappingDialog::ok_clicked);
23 connect(ui->ok_cancel_buttons, &QDialogButtonBox::rejected, this, &InputMappingDialog::cancel_clicked);
24 connect(ui->add_button, &QPushButton::clicked, this, &InputMappingDialog::add_clicked);
25 connect(ui->remove_button, &QPushButton::clicked, this, &InputMappingDialog::remove_clicked);
26 connect(ui->up_button, &QPushButton::clicked, bind(&InputMappingDialog::updown_clicked, this, -1));
27 connect(ui->down_button, &QPushButton::clicked, bind(&InputMappingDialog::updown_clicked, this, 1));
29 update_button_state();
30 connect(ui->table, &QTableWidget::itemSelectionChanged, this, &InputMappingDialog::update_button_state);
33 void InputMappingDialog::fill_ui_from_mapping(const InputMapping &mapping)
35 ui->table->verticalHeader()->hide();
36 ui->table->horizontalHeader()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
37 ui->table->horizontalHeader()->setSectionResizeMode(2, QHeaderView::ResizeToContents);
38 ui->table->horizontalHeader()->setSectionResizeMode(3, QHeaderView::ResizeToContents);
39 ui->table->horizontalHeader()->setSectionsClickable(false);
41 ui->table->setRowCount(mapping.buses.size());
42 for (unsigned row = 0; row < mapping.buses.size(); ++row) {
43 fill_row_from_bus(row, mapping.buses[row]);
47 void InputMappingDialog::fill_row_from_bus(unsigned row, const InputMapping::Bus &bus)
49 QString name(QString::fromStdString(bus.name));
50 ui->table->setItem(row, 0, new QTableWidgetItem(name));
53 QComboBox *card_combo = new QComboBox;
54 unsigned current_index = 0;
55 card_combo->addItem(QString("(none) "));
56 for (const auto &spec_and_info : devices) {
59 QString::fromStdString(spec_and_info.second.name + " "),
60 qulonglong(DeviceSpec_to_key(spec_and_info.first)));
61 if (bus.device == spec_and_info.first) {
62 card_combo->setCurrentIndex(current_index);
65 connect(card_combo, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
66 bind(&InputMappingDialog::card_selected, this, card_combo, row, _1));
67 ui->table->setCellWidget(row, 1, card_combo);
69 setup_channel_choices_from_bus(row, bus);
72 void InputMappingDialog::setup_channel_choices_from_bus(unsigned row, const InputMapping::Bus &bus)
74 // Left and right channel.
75 for (unsigned channel = 0; channel < 2; ++channel) {
76 QComboBox *channel_combo = new QComboBox;
77 channel_combo->addItem(QString("(none)"));
78 if (bus.device.type == InputSourceType::CAPTURE_CARD) {
79 auto device_it = devices.find(bus.device);
80 assert(device_it != devices.end());
81 unsigned num_device_channels = device_it->second.num_channels;
82 for (unsigned source = 0; source < num_device_channels; ++source) {
84 snprintf(buf, sizeof(buf), "Channel %u ", source + 1);
85 channel_combo->addItem(QString(buf));
87 channel_combo->setCurrentIndex(bus.source_channel[channel] + 1);
89 channel_combo->setCurrentIndex(0);
91 connect(channel_combo, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
92 bind(&InputMappingDialog::channel_selected, this, row, channel, _1));
93 ui->table->setCellWidget(row, 2 + channel, channel_combo);
97 void InputMappingDialog::ok_clicked()
99 global_mixer->get_audio_mixer()->set_input_mapping(mapping);
103 void InputMappingDialog::cancel_clicked()
105 global_mixer->get_audio_mixer()->set_input_mapping(old_mapping);
109 void InputMappingDialog::cell_changed(int row, int column)
112 // Spurious; only really the name column should fire these.
115 mapping.buses[row].name = ui->table->item(row, column)->text().toStdString();
118 void InputMappingDialog::card_selected(QComboBox *card_combo, unsigned row, int index)
120 uint64_t key = card_combo->itemData(index).toULongLong();
121 mapping.buses[row].device = key_to_DeviceSpec(key);
122 setup_channel_choices_from_bus(row, mapping.buses[row]);
125 void InputMappingDialog::channel_selected(unsigned row, unsigned channel, int index)
127 mapping.buses[row].source_channel[channel] = index - 1;
130 void InputMappingDialog::add_clicked()
132 QTableWidgetSelectionRange all(0, 0, ui->table->rowCount() - 1, ui->table->columnCount() - 1);
133 ui->table->setRangeSelected(all, false);
135 InputMapping::Bus new_bus;
136 new_bus.name = "New input";
137 new_bus.device.type = InputSourceType::SILENCE;
138 mapping.buses.push_back(new_bus);
139 ui->table->setRowCount(mapping.buses.size());
141 unsigned row = mapping.buses.size() - 1;
142 fill_row_from_bus(row, new_bus);
143 ui->table->editItem(ui->table->item(row, 0)); // Start editing the name.
144 update_button_state();
147 void InputMappingDialog::remove_clicked()
149 assert(ui->table->rowCount() != 0);
151 set<int, greater<int>> rows_to_delete; // Need to remove in reverse order.
152 for (const QTableWidgetSelectionRange &range : ui->table->selectedRanges()) {
153 for (int row = range.topRow(); row <= range.bottomRow(); ++row) {
154 rows_to_delete.insert(row);
157 if (rows_to_delete.empty()) {
158 rows_to_delete.insert(ui->table->rowCount() - 1);
161 for (int row : rows_to_delete) {
162 ui->table->removeRow(row);
163 mapping.buses.erase(mapping.buses.begin() + row);
165 update_button_state();
168 void InputMappingDialog::updown_clicked(int direction)
170 assert(ui->table->selectedRanges().size() == 1);
171 const QTableWidgetSelectionRange &range = ui->table->selectedRanges()[0];
172 int a_row = range.bottomRow();
173 int b_row = range.bottomRow() + direction;
175 swap(mapping.buses[a_row], mapping.buses[b_row]);
176 fill_row_from_bus(a_row, mapping.buses[a_row]);
177 fill_row_from_bus(b_row, mapping.buses[b_row]);
179 QTableWidgetSelectionRange a_sel(a_row, 0, a_row, ui->table->columnCount() - 1);
180 QTableWidgetSelectionRange b_sel(b_row, 0, b_row, ui->table->columnCount() - 1);
181 ui->table->setRangeSelected(a_sel, false);
182 ui->table->setRangeSelected(b_sel, true);
185 void InputMappingDialog::update_button_state()
187 ui->add_button->setDisabled(mapping.buses.size() >= MAX_BUSES);
188 ui->remove_button->setDisabled(mapping.buses.size() == 0);
189 ui->up_button->setDisabled(
190 ui->table->selectedRanges().empty() ||
191 ui->table->selectedRanges()[0].bottomRow() == 0);
192 ui->down_button->setDisabled(
193 ui->table->selectedRanges().empty() ||
194 ui->table->selectedRanges()[0].bottomRow() == ui->table->rowCount() - 1);