#include "input_mapping_dialog.h"
-#include "ui_input_mapping.h"
-
+#include <assert.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <QAbstractItemView>
#include <QComboBox>
+#include <QDialogButtonBox>
+#include <QFileDialog>
+#include <QHeaderView>
+#include <QList>
+#include <QMessageBox>
+#include <QPushButton>
+#include <QTableWidget>
+#include <QVariant>
+#include <functional>
+#include <memory>
+#include <set>
+#include <string>
+#include <utility>
+
+#include "alsa_pool.h"
+#include "defs.h"
+#include "post_to_main_thread.h"
+#include "ui_input_mapping.h"
using namespace std;
+using namespace std::placeholders;
InputMappingDialog::InputMappingDialog()
- : ui(new Ui::InputMappingDialog)
+ : ui(new Ui::InputMappingDialog),
+ mapping(global_audio_mixer->get_input_mapping()),
+ old_mapping(mapping),
+ devices(global_audio_mixer->get_devices())
{
+ for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
+ bus_settings.push_back(global_audio_mixer->get_bus_settings(bus_index));
+ }
+
ui->setupUi(this);
+ ui->table->setSelectionBehavior(QAbstractItemView::SelectRows);
+ ui->table->setSelectionMode(QAbstractItemView::SingleSelection); // Makes implementing moving easier for now.
+
+ fill_ui_from_mapping(mapping);
+ connect(ui->table, &QTableWidget::cellChanged, this, &InputMappingDialog::cell_changed);
+ connect(ui->ok_cancel_buttons, &QDialogButtonBox::accepted, this, &InputMappingDialog::ok_clicked);
+ connect(ui->ok_cancel_buttons, &QDialogButtonBox::rejected, this, &InputMappingDialog::cancel_clicked);
+ connect(ui->add_button, &QPushButton::clicked, this, &InputMappingDialog::add_clicked);
+ connect(ui->remove_button, &QPushButton::clicked, this, &InputMappingDialog::remove_clicked);
+ connect(ui->up_button, &QPushButton::clicked, bind(&InputMappingDialog::updown_clicked, this, -1));
+ connect(ui->down_button, &QPushButton::clicked, bind(&InputMappingDialog::updown_clicked, this, 1));
+ connect(ui->save_button, &QPushButton::clicked, this, &InputMappingDialog::save_clicked);
+ connect(ui->load_button, &QPushButton::clicked, this, &InputMappingDialog::load_clicked);
+
+ update_button_state();
+ connect(ui->table, &QTableWidget::itemSelectionChanged, this, &InputMappingDialog::update_button_state);
- //connect(ui->button_box, &QDialogButtonBox::accepted, [this]{ this->close(); });
- vector<string> card_names = global_mixer->get_audio_mixer()->get_names();
- fill_ui_from_mapping(global_mixer->get_audio_mixer()->get_input_mapping(), card_names);
+ saved_callback = global_audio_mixer->get_state_changed_callback();
+ global_audio_mixer->set_state_changed_callback([this]{
+ post_to_main_thread([this]{
+ devices = global_audio_mixer->get_devices();
+ for (unsigned row = 0; row < mapping.buses.size(); ++row) {
+ fill_row_from_bus(row, mapping.buses[row]);
+ }
+ });
+ });
}
-void InputMappingDialog::fill_ui_from_mapping(const InputMapping &mapping, const vector<string> &card_names)
+InputMappingDialog::~InputMappingDialog()
+{
+ global_audio_mixer->set_state_changed_callback(saved_callback);
+}
+
+void InputMappingDialog::fill_ui_from_mapping(const InputMapping &mapping)
{
ui->table->verticalHeader()->hide();
+ ui->table->horizontalHeader()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
+ ui->table->horizontalHeader()->setSectionResizeMode(2, QHeaderView::ResizeToContents);
+ ui->table->horizontalHeader()->setSectionResizeMode(3, QHeaderView::ResizeToContents);
+ ui->table->horizontalHeader()->setSectionsClickable(false);
+
+ ui->table->setRowCount(mapping.buses.size());
+ for (unsigned row = 0; row < mapping.buses.size(); ++row) {
+ fill_row_from_bus(row, mapping.buses[row]);
+ }
+}
- ui->table->setRowCount(mapping.inputs.size());
- for (unsigned row = 0; row < mapping.inputs.size(); ++row) {
- // TODO: Mark as some sort of header (by means of background color, probably).
- QString name(QString::fromStdString(mapping.inputs[row].name));
- ui->table->setItem(row, 0, new QTableWidgetItem(name));
-
- // Card choices.
- QComboBox *card_combo = new QComboBox;
- card_combo->addItem(QString("(none)"));
- for (const string &name : card_names) {
- card_combo->addItem(QString::fromStdString(name));
+void InputMappingDialog::fill_row_from_bus(unsigned row, const InputMapping::Bus &bus)
+{
+ QString name(QString::fromStdString(bus.name));
+ ui->table->setItem(row, 0, new QTableWidgetItem(name));
+
+ // Card choices. If there's already a combobox here, we try to modify
+ // the elements in-place, so that the UI doesn't go away under the user's feet
+ // if they are in the process of choosing an item.
+ QComboBox *card_combo = static_cast<QComboBox *>(ui->table->cellWidget(row, 1));
+ if (card_combo == nullptr) {
+ card_combo = new QComboBox;
+ }
+ unsigned current_index = 0;
+ if (card_combo->count() == 0) {
+ card_combo->addItem(QString("(none) "));
+ }
+ for (const auto &spec_and_info : devices) {
+ QString label(QString::fromStdString(spec_and_info.second.display_name));
+ if (spec_and_info.first.type == InputSourceType::ALSA_INPUT) {
+ ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(spec_and_info.first.index);
+ if (state == ALSAPool::Device::State::EMPTY) {
+ continue;
+ } else if (state == ALSAPool::Device::State::STARTING) {
+ label += " (busy)";
+ } else if (state == ALSAPool::Device::State::DEAD) {
+ label += " (dead)";
+ }
}
- switch (mapping.inputs[row].input_source_type) {
- case InputSourceType::SILENCE:
- card_combo->setCurrentIndex(0);
- break;
- case InputSourceType::CAPTURE_CARD:
- card_combo->setCurrentIndex(mapping.inputs[row].input_source_index + 1);
- break;
- default:
- assert(false);
+ ++current_index;
+ if (unsigned(card_combo->count()) > current_index) {
+ card_combo->setItemText(current_index, label + " ");
+ card_combo->setItemData(current_index, qulonglong(DeviceSpec_to_key(spec_and_info.first)));
+ } else {
+ card_combo->addItem(
+ label + " ",
+ qulonglong(DeviceSpec_to_key(spec_and_info.first)));
+ }
+ if (bus.device == spec_and_info.first) {
+ card_combo->setCurrentIndex(current_index);
}
- ui->table->setCellWidget(row, 1, card_combo);
-
- // Left and right channel.
- fill_channel_ui_from_mapping(row, mapping.inputs[row]);
}
+ // Remove any excess items from earlier. (This is only for paranoia;
+ // they should be held, so it shouldn't matter.)
+ while (unsigned(card_combo->count()) > current_index + 1) {
+ card_combo->removeItem(current_index + 1);
+ }
+ connect(card_combo, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+ bind(&InputMappingDialog::card_selected, this, card_combo, row, _1));
+ ui->table->setCellWidget(row, 1, card_combo);
+
+ setup_channel_choices_from_bus(row, bus);
}
-void InputMappingDialog::fill_channel_ui_from_mapping(unsigned row, const InputMapping::Input &input)
+void InputMappingDialog::setup_channel_choices_from_bus(unsigned row, const InputMapping::Bus &bus)
{
+ // Left and right channel.
+ // TODO: If there's already a widget here, modify it instead of creating a new one,
+ // as we do with card choices.
for (unsigned channel = 0; channel < 2; ++channel) {
QComboBox *channel_combo = new QComboBox;
channel_combo->addItem(QString("(none)"));
- if (input.input_source_type == InputSourceType::CAPTURE_CARD) {
- for (unsigned source = 0; source < 8; ++source) { // TODO: Ask the card about number of channels, and names.
+ if (bus.device.type == InputSourceType::CAPTURE_CARD ||
+ bus.device.type == InputSourceType::ALSA_INPUT) {
+ auto device_it = devices.find(bus.device);
+ assert(device_it != devices.end());
+ unsigned num_device_channels = device_it->second.num_channels;
+ for (unsigned source = 0; source < num_device_channels; ++source) {
char buf[256];
- snprintf(buf, sizeof(buf), "Channel %u", source + 1);
+ snprintf(buf, sizeof(buf), "Channel %u ", source + 1);
channel_combo->addItem(QString(buf));
}
+ channel_combo->setCurrentIndex(bus.source_channel[channel] + 1);
+ } else {
+ channel_combo->setCurrentIndex(0);
}
- channel_combo->setCurrentIndex(input.source_channel[channel] + 1);
+ connect(channel_combo, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+ bind(&InputMappingDialog::channel_selected, this, row, channel, _1));
ui->table->setCellWidget(row, 2 + channel, channel_combo);
}
}
+
+void InputMappingDialog::ok_clicked()
+{
+ global_audio_mixer->set_state_changed_callback(saved_callback);
+ global_audio_mixer->set_input_mapping(mapping);
+ for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
+ global_audio_mixer->set_bus_settings(bus_index, bus_settings[bus_index]);
+ global_audio_mixer->reset_peak(bus_index);
+ }
+ accept();
+}
+
+void InputMappingDialog::cancel_clicked()
+{
+ global_audio_mixer->set_state_changed_callback(saved_callback);
+ global_audio_mixer->set_input_mapping(old_mapping);
+ reject();
+}
+
+void InputMappingDialog::cell_changed(int row, int column)
+{
+ if (column != 0) {
+ // Spurious; only really the name column should fire these.
+ return;
+ }
+ mapping.buses[row].name = ui->table->item(row, column)->text().toStdString();
+}
+
+void InputMappingDialog::card_selected(QComboBox *card_combo, unsigned row, int index)
+{
+ uint64_t key = card_combo->itemData(index).toULongLong();
+ mapping.buses[row].device = key_to_DeviceSpec(key);
+ setup_channel_choices_from_bus(row, mapping.buses[row]);
+}
+
+void InputMappingDialog::channel_selected(unsigned row, unsigned channel, int index)
+{
+ mapping.buses[row].source_channel[channel] = index - 1;
+}
+
+void InputMappingDialog::add_clicked()
+{
+ QTableWidgetSelectionRange all(0, 0, ui->table->rowCount() - 1, ui->table->columnCount() - 1);
+ ui->table->setRangeSelected(all, false);
+
+ InputMapping::Bus new_bus;
+ new_bus.name = "New input";
+ new_bus.device.type = InputSourceType::SILENCE;
+ mapping.buses.push_back(new_bus);
+ bus_settings.push_back(AudioMixer::get_default_bus_settings());
+ ui->table->setRowCount(mapping.buses.size());
+
+ unsigned row = mapping.buses.size() - 1;
+ fill_row_from_bus(row, new_bus);
+ ui->table->editItem(ui->table->item(row, 0)); // Start editing the name.
+ update_button_state();
+}
+
+void InputMappingDialog::remove_clicked()
+{
+ assert(ui->table->rowCount() != 0);
+
+ set<int, greater<int>> rows_to_delete; // Need to remove in reverse order.
+ for (const QTableWidgetSelectionRange &range : ui->table->selectedRanges()) {
+ for (int row = range.topRow(); row <= range.bottomRow(); ++row) {
+ rows_to_delete.insert(row);
+ }
+ }
+ if (rows_to_delete.empty()) {
+ rows_to_delete.insert(ui->table->rowCount() - 1);
+ }
+
+ for (int row : rows_to_delete) {
+ ui->table->removeRow(row);
+ mapping.buses.erase(mapping.buses.begin() + row);
+ bus_settings.erase(bus_settings.begin() + row);
+ }
+ update_button_state();
+}
+
+void InputMappingDialog::updown_clicked(int direction)
+{
+ assert(ui->table->selectedRanges().size() == 1);
+ const QTableWidgetSelectionRange &range = ui->table->selectedRanges()[0];
+ int a_row = range.bottomRow();
+ int b_row = range.bottomRow() + direction;
+
+ swap(mapping.buses[a_row], mapping.buses[b_row]);
+ swap(bus_settings[a_row], bus_settings[b_row]);
+ fill_row_from_bus(a_row, mapping.buses[a_row]);
+ fill_row_from_bus(b_row, mapping.buses[b_row]);
+
+ QTableWidgetSelectionRange a_sel(a_row, 0, a_row, ui->table->columnCount() - 1);
+ QTableWidgetSelectionRange b_sel(b_row, 0, b_row, ui->table->columnCount() - 1);
+ ui->table->setRangeSelected(a_sel, false);
+ ui->table->setRangeSelected(b_sel, true);
+}
+
+void InputMappingDialog::save_clicked()
+{
+ QString filename = QFileDialog::getSaveFileName(this,
+ "Save input mapping", QString(), tr("Mapping files (*.mapping)"));
+ if (!filename.endsWith(".mapping")) {
+ filename += ".mapping";
+ }
+ if (!save_input_mapping_to_file(devices, 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 InputMappingDialog::load_clicked()
+{
+ QString filename = QFileDialog::getOpenFileName(this,
+ "Load input mapping", QString(), tr("Mapping files (*.mapping)"));
+ InputMapping new_mapping;
+ if (!load_input_mapping_from_file(devices, 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;
+ }
+
+ mapping = new_mapping;
+ bus_settings.clear();
+ for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
+ bus_settings.push_back(global_audio_mixer->get_bus_settings(bus_index));
+ }
+ devices = global_audio_mixer->get_devices(); // New dead cards may have been made.
+ fill_ui_from_mapping(mapping);
+}
+
+void InputMappingDialog::update_button_state()
+{
+ ui->add_button->setDisabled(mapping.buses.size() >= MAX_BUSES);
+ ui->remove_button->setDisabled(mapping.buses.size() == 0);
+ ui->up_button->setDisabled(
+ ui->table->selectedRanges().empty() ||
+ ui->table->selectedRanges()[0].bottomRow() == 0);
+ ui->down_button->setDisabled(
+ ui->table->selectedRanges().empty() ||
+ ui->table->selectedRanges()[0].bottomRow() == ui->table->rowCount() - 1);
+}
projects / nageru / blobdiff