Store an input mapping, and show it in the UI.

[nageru] / input_mapping_dialog.cpp

diff --git a/input_mapping_dialog.cpp b/input_mapping_dialog.cpp
new file mode 100644 (file)
index 0000000..ea20fdc
--- /dev/null
+++ b/input_mapping_dialog.cpp
@@ -0,0 +1,67 @@
+#include "input_mapping_dialog.h"
+
+#include "ui_input_mapping.h"
+
+#include <QComboBox>
+
+using namespace std;
+
+InputMappingDialog::InputMappingDialog()
+       : ui(new Ui::InputMappingDialog)
+{
+       ui->setupUi(this);
+
+       //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);
+}
+
+void InputMappingDialog::fill_ui_from_mapping(const InputMapping &mapping, const vector<string> &card_names)
+{
+       ui->table->verticalHeader()->hide();
+
+       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));
+               }
+               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);
+               }
+               ui->table->setCellWidget(row, 1, card_combo);
+
+               // Left and right channel.
+               fill_channel_ui_from_mapping(row, mapping.inputs[row]);
+       }
+}
+
+void InputMappingDialog::fill_channel_ui_from_mapping(unsigned row, const InputMapping::Input &input)
+{
+       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.
+                               char buf[256];
+                               snprintf(buf, sizeof(buf), "Channel %u", source + 1);
+                               channel_combo->addItem(QString(buf));
+                       }
+               }
+               channel_combo->setCurrentIndex(input.source_channel[channel] + 1);
+               ui->table->setCellWidget(row, 2 + channel, channel_combo);
+       }
+}