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95 lines
3.4 KiB
95 lines
3.4 KiB
#include "tools/cabana/historylog.h"
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#include <QFontDatabase>
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// HistoryLogModel
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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 = messages[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 ? QString::fromStdString(dbc_msg->sigs[section - 1].name).replace('_', ' ') : "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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messages = can->messages(msg_id);
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row_count = messages.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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// HeaderView
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QSize HeaderView::sectionSizeFromContents(int logicalIndex) const {
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const QString text = model()->headerData(logicalIndex, this->orientation(), Qt::DisplayRole).toString();
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const QRect rect = fontMetrics().boundingRect(QRect(0, 0, sectionSize(logicalIndex), 1000), defaultAlignment(), text);
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return rect.size() + QSize{10, 5};
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}
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// HistoryLog
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HistoryLog::HistoryLog(QWidget *parent) : QTableView(parent) {
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model = new HistoryLogModel(this);
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setModel(model);
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setHorizontalHeader(new HeaderView(Qt::Horizontal, this));
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horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
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horizontalHeader()->setDefaultAlignment(Qt::AlignLeft | (Qt::Alignment)Qt::TextWordWrap);
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horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
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verticalHeader()->setVisible(false);
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
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setFrameShape(QFrame::NoFrame);
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setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
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setStyleSheet("QTableView::item { border:0px; padding-left:5px; padding-right:5px; }");
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}
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int HistoryLog::sizeHintForColumn(int column) const {
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// sizeHintForColumn is only called for column 0 (ResizeToContents)
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return itemDelegate()->sizeHint(viewOptions(), model->index(0, 0)).width() + 1; // +1 for grid
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}
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