+void DecodeTrace::update_rows()
+{
+ lock_guard<mutex> lock(row_modification_mutex_);
+
+ QFontMetrics m(QApplication::font());
+
+ QPalette header_palette = owner_->view()->palette();
+ QPalette selector_palette = owner_->view()->palette();
+
+ if (GlobalSettings::current_theme_is_dark()) {
+ header_palette.setColor(QPalette::Background,
+ QColor(255, 255, 255, ExpansionAreaHeaderAlpha));
+ selector_palette.setColor(QPalette::Background,
+ QColor(255, 255, 255, ExpansionAreaAlpha));
+ } else {
+ header_palette.setColor(QPalette::Background,
+ QColor(0, 0, 0, ExpansionAreaHeaderAlpha));
+ selector_palette.setColor(QPalette::Background,
+ QColor(0, 0, 0, ExpansionAreaAlpha));
+ }
+
+ for (RowData& r : rows_)
+ r.exists = false;
+
+ unsigned int row_id = 0;
+ for (const Row& decode_row : decode_signal_->get_rows()) {
+ // Find row in our list
+ auto r_it = find_if(rows_.begin(), rows_.end(),
+ [&](RowData& r){ return r.decode_row == decode_row; });
+
+ RowData* r = nullptr;
+ if (r_it == rows_.end()) {
+ // Row doesn't exist yet, create and append it
+ RowData nr;
+ nr.decode_row = decode_row;
+ nr.height = default_row_height_;
+ nr.expanded_height = default_row_height_;
+ nr.currently_visible = false;
+ nr.expand_marker_highlighted = false;
+ nr.expanding = false;
+ nr.expanded = false;
+ nr.collapsing = false;
+ nr.expand_marker_shape = default_marker_shape_;
+ nr.container = new QWidget(owner_->view()->scrollarea());
+ nr.header_container = new QWidget(nr.container);
+ nr.selector_container = new QWidget(nr.container);
+
+ rows_.push_back(nr);
+ r = &rows_.back();
+ } else
+ r = &(*r_it);
+
+ r->exists = true;
+
+ const int w = m.boundingRect(r->decode_row.title()).width() + RowTitleMargin;
+ r->title_width = w;
+
+ r->container->resize(owner_->view()->viewport()->width() - r->container->pos().x(),
+ r->expanded_height - 2 * default_row_height_);
+ r->container->setVisible(false);
+
+ QVBoxLayout* vlayout = new QVBoxLayout();
+ r->container->setLayout(vlayout);
+
+ // Add header container with checkbox for this row
+ vlayout->addWidget(r->header_container);
+ vlayout->setContentsMargins(0, 0, 0, 0);
+ vlayout->setSpacing(0);
+ r->header_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+ r->header_container->setMinimumSize(0, default_row_height_);
+ r->header_container->setLayout(new QVBoxLayout());
+ r->header_container->layout()->setContentsMargins(10, 2, 0, 2);
+
+ r->header_container->setAutoFillBackground(true);
+ r->header_container->setPalette(header_palette);
+
+ QCheckBox* cb = new QCheckBox();
+ r->header_container->layout()->addWidget(cb);
+ cb->setText(tr("Show this row"));
+ cb->setChecked(r->decode_row.visible());
+
+ row_show_hide_mapper_.setMapping(cb, row_id);
+ connect(cb, SIGNAL(stateChanged(int)),
+ &row_show_hide_mapper_, SLOT(map()));
+
+ // Add selector container
+ vlayout->addWidget(r->selector_container);
+ r->selector_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+ r->selector_container->setMinimumSize(0, 3 * default_row_height_); // FIXME
+ r->selector_container->setLayout(new QVBoxLayout());
+
+ r->selector_container->setAutoFillBackground(true);
+ r->selector_container->setPalette(selector_palette);
+
+
+ // Add all classes that can be toggled
+
+ row_id++;
+ }
+
+ // Remove any rows that no longer exist, obeying that iterators are invalidated
+ bool any_exists;
+ do {
+ any_exists = false;
+
+ for (unsigned int i = 0; i < rows_.size(); i++)
+ if (!rows_[i].exists) {
+ for (QCheckBox* cb : rows_[i].selectors)
+ delete cb;
+
+ delete rows_[i].selector_container;
+ delete rows_[i].header_container;
+ delete rows_[i].container;
+
+ rows_.erase(rows_.begin() + i);
+ any_exists = true;
+ break;
+ }
+ } while (any_exists);
+}
+
+void DecodeTrace::set_row_expanded(RowData* r)
+{
+ r->height = r->expanded_height;
+ r->expanding = false;
+ r->expanded = true;
+
+ // For details on this, see on_animation_timer()
+ r->expand_marker_shape.setPoint(0, 0, 0);
+ r->expand_marker_shape.setPoint(1, ArrowSize, ArrowSize);
+ r->expand_marker_shape.setPoint(2, 2*ArrowSize, 0);
+
+ r->container->resize(owner_->view()->viewport()->width() - r->container->pos().x(),
+ r->height - 2 * default_row_height_);
+}
+
+void DecodeTrace::set_row_collapsed(RowData* r)
+{
+ r->height = default_row_height_;
+ r->collapsing = false;
+ r->expanded = false;
+ r->expand_marker_shape = default_marker_shape_;
+ r->container->setVisible(false);
+
+ r->container->resize(owner_->view()->viewport()->width() - r->container->pos().x(),
+ r->height - 2 * default_row_height_);
+}
+
+void DecodeTrace::update_expanded_rows()
+{
+ for (RowData& r : rows_) {
+
+ r.container->move(2 * ArrowSize,
+ get_row_y(&r) + default_row_height_);
+ }
+}
+