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 card_names(global_mixer->get_audio_mixer()->get_names())
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 card_combo->addItem(QString("(none) "));
55 for (const string &name : card_names) {
56 card_combo->addItem(QString::fromStdString(name + " "));
58 switch (bus.device.type) {
59 case InputSourceType::SILENCE:
60 card_combo->setCurrentIndex(0);
62 case InputSourceType::CAPTURE_CARD:
63 card_combo->setCurrentIndex(mapping.buses[row].device.index + 1);
68 connect(card_combo, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
69 bind(&InputMappingDialog::card_selected, this, row, _1));
70 ui->table->setCellWidget(row, 1, card_combo);
72 setup_channel_choices_from_bus(row, bus);
75 void InputMappingDialog::setup_channel_choices_from_bus(unsigned row, const InputMapping::Bus &bus)
77 // Left and right channel.
78 for (unsigned channel = 0; channel < 2; ++channel) {
79 QComboBox *channel_combo = new QComboBox;
80 channel_combo->addItem(QString("(none)"));
81 if (bus.device.type == InputSourceType::CAPTURE_CARD) {
82 for (unsigned source = 0; source < 8; ++source) { // TODO: Ask the card about number of channels, and names.
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(unsigned row, int index)
121 mapping.buses[row].device.type = InputSourceType::SILENCE;
123 mapping.buses[row].device.type = InputSourceType::CAPTURE_CARD;
124 mapping.buses[row].device.index = index - 1;
126 setup_channel_choices_from_bus(row, mapping.buses[row]);
129 void InputMappingDialog::channel_selected(unsigned row, unsigned channel, int index)
131 mapping.buses[row].source_channel[channel] = index - 1;
134 void InputMappingDialog::add_clicked()
136 QTableWidgetSelectionRange all(0, 0, ui->table->rowCount() - 1, ui->table->columnCount() - 1);
137 ui->table->setRangeSelected(all, false);
139 InputMapping::Bus new_bus;
140 new_bus.name = "New input";
141 new_bus.device.type = InputSourceType::SILENCE;
142 mapping.buses.push_back(new_bus);
143 ui->table->setRowCount(mapping.buses.size());
145 unsigned row = mapping.buses.size() - 1;
146 fill_row_from_bus(row, new_bus);
147 ui->table->editItem(ui->table->item(row, 0)); // Start editing the name.
148 update_button_state();
151 void InputMappingDialog::remove_clicked()
153 assert(ui->table->rowCount() != 0);
155 set<int, greater<int>> rows_to_delete; // Need to remove in reverse order.
156 for (const QTableWidgetSelectionRange &range : ui->table->selectedRanges()) {
157 for (int row = range.topRow(); row <= range.bottomRow(); ++row) {
158 rows_to_delete.insert(row);
161 if (rows_to_delete.empty()) {
162 rows_to_delete.insert(ui->table->rowCount() - 1);
165 for (int row : rows_to_delete) {
166 ui->table->removeRow(row);
167 mapping.buses.erase(mapping.buses.begin() + row);
169 update_button_state();
172 void InputMappingDialog::updown_clicked(int direction)
174 assert(ui->table->selectedRanges().size() == 1);
175 const QTableWidgetSelectionRange &range = ui->table->selectedRanges()[0];
176 int a_row = range.bottomRow();
177 int b_row = range.bottomRow() + direction;
179 swap(mapping.buses[a_row], mapping.buses[b_row]);
180 fill_row_from_bus(a_row, mapping.buses[a_row]);
181 fill_row_from_bus(b_row, mapping.buses[b_row]);
183 QTableWidgetSelectionRange a_sel(a_row, 0, a_row, ui->table->columnCount() - 1);
184 QTableWidgetSelectionRange b_sel(b_row, 0, b_row, ui->table->columnCount() - 1);
185 ui->table->setRangeSelected(a_sel, false);
186 ui->table->setRangeSelected(b_sel, true);
189 void InputMappingDialog::update_button_state()
191 ui->add_button->setDisabled(mapping.buses.size() >= MAX_BUSES);
192 ui->remove_button->setDisabled(mapping.buses.size() == 0);
193 ui->up_button->setDisabled(
194 ui->table->selectedRanges().empty() ||
195 ui->table->selectedRanges()[0].bottomRow() == 0);
196 ui->down_button->setDisabled(
197 ui->table->selectedRanges().empty() ||
198 ui->table->selectedRanges()[0].bottomRow() == ui->table->rowCount() - 1);