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_audio_mixer->get_input_mapping()),
14 devices(global_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) {
57 QString label(QString::fromStdString(spec_and_info.second.name));
58 if (spec_and_info.first.type == InputSourceType::ALSA_INPUT) {
59 ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(spec_and_info.first.index);
60 if (state == ALSAPool::Device::State::EMPTY) {
62 } else if (state == ALSAPool::Device::State::STARTING) {
64 } else if (state == ALSAPool::Device::State::DEAD) {
71 qulonglong(DeviceSpec_to_key(spec_and_info.first)));
72 if (bus.device == spec_and_info.first) {
73 card_combo->setCurrentIndex(current_index);
76 connect(card_combo, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
77 bind(&InputMappingDialog::card_selected, this, card_combo, row, _1));
78 ui->table->setCellWidget(row, 1, card_combo);
80 setup_channel_choices_from_bus(row, bus);
83 void InputMappingDialog::setup_channel_choices_from_bus(unsigned row, const InputMapping::Bus &bus)
85 // Left and right channel.
86 for (unsigned channel = 0; channel < 2; ++channel) {
87 QComboBox *channel_combo = new QComboBox;
88 channel_combo->addItem(QString("(none)"));
89 if (bus.device.type == InputSourceType::CAPTURE_CARD ||
90 bus.device.type == InputSourceType::ALSA_INPUT) {
91 auto device_it = devices.find(bus.device);
92 assert(device_it != devices.end());
93 unsigned num_device_channels = device_it->second.num_channels;
94 for (unsigned source = 0; source < num_device_channels; ++source) {
96 snprintf(buf, sizeof(buf), "Channel %u ", source + 1);
97 channel_combo->addItem(QString(buf));
99 channel_combo->setCurrentIndex(bus.source_channel[channel] + 1);
101 channel_combo->setCurrentIndex(0);
103 connect(channel_combo, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
104 bind(&InputMappingDialog::channel_selected, this, row, channel, _1));
105 ui->table->setCellWidget(row, 2 + channel, channel_combo);
109 void InputMappingDialog::ok_clicked()
111 global_audio_mixer->set_input_mapping(mapping);
115 void InputMappingDialog::cancel_clicked()
117 global_audio_mixer->set_input_mapping(old_mapping);
121 void InputMappingDialog::cell_changed(int row, int column)
124 // Spurious; only really the name column should fire these.
127 mapping.buses[row].name = ui->table->item(row, column)->text().toStdString();
130 void InputMappingDialog::card_selected(QComboBox *card_combo, unsigned row, int index)
132 uint64_t key = card_combo->itemData(index).toULongLong();
133 mapping.buses[row].device = key_to_DeviceSpec(key);
134 setup_channel_choices_from_bus(row, mapping.buses[row]);
137 void InputMappingDialog::channel_selected(unsigned row, unsigned channel, int index)
139 mapping.buses[row].source_channel[channel] = index - 1;
142 void InputMappingDialog::add_clicked()
144 QTableWidgetSelectionRange all(0, 0, ui->table->rowCount() - 1, ui->table->columnCount() - 1);
145 ui->table->setRangeSelected(all, false);
147 InputMapping::Bus new_bus;
148 new_bus.name = "New input";
149 new_bus.device.type = InputSourceType::SILENCE;
150 mapping.buses.push_back(new_bus);
151 ui->table->setRowCount(mapping.buses.size());
153 unsigned row = mapping.buses.size() - 1;
154 fill_row_from_bus(row, new_bus);
155 ui->table->editItem(ui->table->item(row, 0)); // Start editing the name.
156 update_button_state();
159 void InputMappingDialog::remove_clicked()
161 assert(ui->table->rowCount() != 0);
163 set<int, greater<int>> rows_to_delete; // Need to remove in reverse order.
164 for (const QTableWidgetSelectionRange &range : ui->table->selectedRanges()) {
165 for (int row = range.topRow(); row <= range.bottomRow(); ++row) {
166 rows_to_delete.insert(row);
169 if (rows_to_delete.empty()) {
170 rows_to_delete.insert(ui->table->rowCount() - 1);
173 for (int row : rows_to_delete) {
174 ui->table->removeRow(row);
175 mapping.buses.erase(mapping.buses.begin() + row);
177 update_button_state();
180 void InputMappingDialog::updown_clicked(int direction)
182 assert(ui->table->selectedRanges().size() == 1);
183 const QTableWidgetSelectionRange &range = ui->table->selectedRanges()[0];
184 int a_row = range.bottomRow();
185 int b_row = range.bottomRow() + direction;
187 swap(mapping.buses[a_row], mapping.buses[b_row]);
188 fill_row_from_bus(a_row, mapping.buses[a_row]);
189 fill_row_from_bus(b_row, mapping.buses[b_row]);
191 QTableWidgetSelectionRange a_sel(a_row, 0, a_row, ui->table->columnCount() - 1);
192 QTableWidgetSelectionRange b_sel(b_row, 0, b_row, ui->table->columnCount() - 1);
193 ui->table->setRangeSelected(a_sel, false);
194 ui->table->setRangeSelected(b_sel, true);
197 void InputMappingDialog::update_button_state()
199 ui->add_button->setDisabled(mapping.buses.size() >= MAX_BUSES);
200 ui->remove_button->setDisabled(mapping.buses.size() == 0);
201 ui->up_button->setDisabled(
202 ui->table->selectedRanges().empty() ||
203 ui->table->selectedRanges()[0].bottomRow() == 0);
204 ui->down_button->setDisabled(
205 ui->table->selectedRanges().empty() ||
206 ui->table->selectedRanges()[0].bottomRow() == ui->table->rowCount() - 1);