open source driving agent
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#include "tools/cabana/chart/signalselector.h"
#include <QCompleter>
#include <QDialogButtonBox>
#include <QGridLayout>
#include <QLabel>
#include <QLineEdit>
#include <QPushButton>
#include <QVBoxLayout>
#include "tools/cabana/streams/abstractstream.h"
SignalSelector::SignalSelector(QString title, QWidget *parent) : QDialog(parent) {
setWindowTitle(title);
QGridLayout *main_layout = new QGridLayout(this);
// left column
main_layout->addWidget(new QLabel(tr("Available Signals")), 0, 0);
main_layout->addWidget(msgs_combo = new QComboBox(this), 1, 0);
msgs_combo->setEditable(true);
msgs_combo->lineEdit()->setPlaceholderText(tr("Select a msg..."));
msgs_combo->setInsertPolicy(QComboBox::NoInsert);
msgs_combo->completer()->setCompletionMode(QCompleter::PopupCompletion);
msgs_combo->completer()->setFilterMode(Qt::MatchContains);
main_layout->addWidget(available_list = new QListWidget(this), 2, 0);
// buttons
QVBoxLayout *btn_layout = new QVBoxLayout();
QPushButton *add_btn = new QPushButton(utils::icon("chevron-right"), "", this);
add_btn->setEnabled(false);
QPushButton *remove_btn = new QPushButton(utils::icon("chevron-left"), "", this);
remove_btn->setEnabled(false);
btn_layout->addStretch(0);
btn_layout->addWidget(add_btn);
btn_layout->addWidget(remove_btn);
btn_layout->addStretch(0);
main_layout->addLayout(btn_layout, 0, 1, 3, 1);
// right column
main_layout->addWidget(new QLabel(tr("Selected Signals")), 0, 2);
main_layout->addWidget(selected_list = new QListWidget(this), 1, 2, 2, 1);
auto buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
main_layout->addWidget(buttonBox, 3, 2);
for (auto it = can->last_msgs.cbegin(); it != can->last_msgs.cend(); ++it) {
if (auto m = dbc()->msg(it.key())) {
msgs_combo->addItem(QString("%1 (%2)").arg(m->name).arg(it.key().toString()), QVariant::fromValue(it.key()));
}
}
msgs_combo->model()->sort(0);
msgs_combo->setCurrentIndex(-1);
QObject::connect(msgs_combo, qOverload<int>(&QComboBox::currentIndexChanged), this, &SignalSelector::updateAvailableList);
QObject::connect(available_list, &QListWidget::currentRowChanged, [=](int row) { add_btn->setEnabled(row != -1); });
QObject::connect(selected_list, &QListWidget::currentRowChanged, [=](int row) { remove_btn->setEnabled(row != -1); });
QObject::connect(available_list, &QListWidget::itemDoubleClicked, this, &SignalSelector::add);
QObject::connect(selected_list, &QListWidget::itemDoubleClicked, this, &SignalSelector::remove);
QObject::connect(add_btn, &QPushButton::clicked, [this]() { if (auto item = available_list->currentItem()) add(item); });
QObject::connect(remove_btn, &QPushButton::clicked, [this]() { if (auto item = selected_list->currentItem()) remove(item); });
QObject::connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
QObject::connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
}
void SignalSelector::add(QListWidgetItem *item) {
auto it = (ListItem *)item;
addItemToList(selected_list, it->msg_id, it->sig, true);
delete item;
}
void SignalSelector::remove(QListWidgetItem *item) {
auto it = (ListItem *)item;
if (it->msg_id == msgs_combo->currentData().value<MessageId>()) {
addItemToList(available_list, it->msg_id, it->sig);
}
delete item;
}
void SignalSelector::updateAvailableList(int index) {
if (index == -1) return;
available_list->clear();
MessageId msg_id = msgs_combo->itemData(index).value<MessageId>();
auto selected_items = seletedItems();
for (auto s : dbc()->msg(msg_id)->getSignals()) {
bool is_selected = std::any_of(selected_items.begin(), selected_items.end(), [=, sig = s](auto it) { return it->msg_id == msg_id && it->sig == sig; });
if (!is_selected) {
addItemToList(available_list, msg_id, s);
}
}
}
void SignalSelector::addItemToList(QListWidget *parent, const MessageId id, const cabana::Signal *sig, bool show_msg_name) {
QString text = QString("<span style=\"color:%0;\">■ </span> %1").arg(getColor(sig).name(), sig->name);
if (show_msg_name) text += QString(" <font color=\"gray\">%0 %1</font>").arg(msgName(id), id.toString());
QLabel *label = new QLabel(text);
label->setContentsMargins(5, 0, 5, 0);
auto new_item = new ListItem(id, sig, parent);
new_item->setSizeHint(label->sizeHint());
parent->setItemWidget(new_item, label);
}
QList<SignalSelector::ListItem *> SignalSelector::seletedItems() {
QList<SignalSelector::ListItem *> ret;
for (int i = 0; i < selected_list->count(); ++i) ret.push_back((ListItem *)selected_list->item(i));
return ret;
}