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78 lines
2.6 KiB
78 lines
2.6 KiB
#include "tools/cabana/historylog.h"
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#include <QFontDatabase>
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#include <QHeaderView>
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#include <QVBoxLayout>
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QVariant HistoryLogModel::data(const QModelIndex &index, int role) const {
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bool has_signal = dbc_msg && !dbc_msg->sigs.empty();
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if (role == Qt::DisplayRole) {
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const auto &m = can->messages(msg_id)[index.row()];
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if (index.column() == 0) {
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return QString::number(m.ts, 'f', 2);
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}
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return has_signal ? QString::number(get_raw_value((uint8_t *)m.dat.begin(), m.dat.size(), dbc_msg->sigs[index.column() - 1]))
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: toHex(m.dat);
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} else if (role == Qt::FontRole && index.column() == 1 && !has_signal) {
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return QFontDatabase::systemFont(QFontDatabase::FixedFont);
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}
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return {};
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}
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void HistoryLogModel::setMessage(const QString &message_id) {
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beginResetModel();
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msg_id = message_id;
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dbc_msg = dbc()->msg(message_id);
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column_count = (dbc_msg && !dbc_msg->sigs.empty() ? dbc_msg->sigs.size() : 1) + 1;
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row_count = 0;
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endResetModel();
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updateState();
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}
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QVariant HistoryLogModel::headerData(int section, Qt::Orientation orientation, int role) const {
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if (orientation == Qt::Horizontal) {
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bool has_signal = dbc_msg && !dbc_msg->sigs.empty();
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if (role == Qt::DisplayRole || role == Qt::ToolTipRole) {
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if (section == 0) {
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return "Time";
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}
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return has_signal ? dbc_msg->sigs[section - 1].name.c_str() : "Data";
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} else if (role == Qt::BackgroundRole && section > 0 && has_signal) {
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return QBrush(QColor(getColor(section - 1)));
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}
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}
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return {};
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}
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void HistoryLogModel::updateState() {
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if (msg_id.isEmpty()) return;
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int prev_row_count = row_count;
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row_count = can->messages(msg_id).size();
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int delta = row_count - prev_row_count;
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if (delta > 0) {
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beginInsertRows({}, prev_row_count, row_count - 1);
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endInsertRows();
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} else if (delta < 0) {
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beginRemoveRows({}, row_count, prev_row_count - 1);
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endRemoveRows();
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}
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if (row_count > 0) {
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emit dataChanged(index(0, 0), index(row_count - 1, column_count - 1), {Qt::DisplayRole});
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}
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}
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HistoryLog::HistoryLog(QWidget *parent) : QWidget(parent) {
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QVBoxLayout *main_layout = new QVBoxLayout(this);
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main_layout->setContentsMargins(0, 0, 0, 0);
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model = new HistoryLogModel(this);
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table = new QTableView(this);
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table->setModel(model);
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table->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
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table->horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
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table->setColumnWidth(0, 60);
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table->verticalHeader()->setVisible(false);
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table->setStyleSheet("QTableView::item { border:0px; padding-left:5px; padding-right:5px; }");
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main_layout->addWidget(table);
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}
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