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104 lines
3.6 KiB
104 lines
3.6 KiB
#include "tools/cabana/historylog.h"
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#include <QFontDatabase>
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#include <QPainter>
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// HistoryLogModel
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QVariant HistoryLogModel::data(const QModelIndex &index, int role) const {
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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 !sigs.empty() ? QString::number(get_raw_value((uint8_t *)m.dat.data(), m.dat.size(), *sigs[index.column() - 1]))
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: toHex(m.dat);
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} else if (role == Qt::FontRole && index.column() == 1 && sigs.empty()) {
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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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sigs.clear();
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messages.clear();
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if (auto dbc_msg = dbc()->msg(message_id)) {
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sigs = dbc_msg->getSignals();
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}
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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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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 !sigs.empty() ? QString::fromStdString(sigs[section - 1]->name).replace('_', ' ') : "Data";
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} else if (role == Qt::BackgroundRole && section > 0 && !sigs.empty()) {
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return QBrush(QColor(getColor(section - 1)));
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} else if (role == Qt::ForegroundRole && section > 0 && !sigs.empty()) {
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return QBrush(Qt::black);
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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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int prev_row_count = messages.size();
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if (!msg_id.isEmpty()) {
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messages = can->messages(msg_id);
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}
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int delta = messages.size() - prev_row_count;
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if (delta > 0) {
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beginInsertRows({}, prev_row_count, messages.size() - 1);
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endInsertRows();
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} else if (delta < 0) {
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beginRemoveRows({}, messages.size(), prev_row_count - 1);
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endRemoveRows();
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}
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if (!messages.empty()) {
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emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 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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int default_size = qMax(100, rect().width() / model()->columnCount());
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const QString text = model()->headerData(logicalIndex, this->orientation(), Qt::DisplayRole).toString();
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const QRect rect = fontMetrics().boundingRect({0, 0, default_size, 2000}, defaultAlignment(), text);
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QSize size = rect.size() + QSize{10, 6};
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return {qMax(size.width(), default_size), size.height()};
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}
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void HeaderView::paintSection(QPainter *painter, const QRect &rect, int logicalIndex) const {
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auto bg_role = model()->headerData(logicalIndex, Qt::Horizontal, Qt::BackgroundRole);
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if (bg_role.isValid()) {
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QPen pen(model()->headerData(logicalIndex, Qt::Horizontal, Qt::ForegroundRole).value<QBrush>(), 1);
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painter->setPen(pen);
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painter->fillRect(rect, bg_role.value<QBrush>());
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}
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QString text = model()->headerData(logicalIndex, Qt::Horizontal, Qt::DisplayRole).toString();
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painter->drawText(rect.adjusted(5, 3, -5, -3), defaultAlignment(), text);
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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()->setDefaultAlignment(Qt::AlignLeft | (Qt::Alignment)Qt::TextWordWrap);
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horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
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verticalHeader()->setVisible(false);
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setFrameShape(QFrame::NoFrame);
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setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding);
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}
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int HistoryLog::sizeHintForColumn(int column) const {
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return -1;
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}
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