+void DecodeTrace::paint_fore(QPainter &p, int left, int right)
+{
+ using namespace pv::data::decode;
+
+ (void)right;
+
+ QFontMetrics m(QApplication::font());
+ const int text_height = m.boundingRect(QRect(), 0, "Tg").height();
+ const int row_height = (text_height * 6) / 4;
+
+ for (size_t i = 0; i < _cur_row_headings.size(); i++)
+ {
+ const int y = i * row_height + get_y();
+
+ p.setPen(QPen(Qt::NoPen));
+ p.setBrush(QApplication::palette().brush(QPalette::WindowText));
+
+ if (i != 0)
+ {
+ const QPointF points[] = {
+ QPointF(left, y - ArrowSize),
+ QPointF(left + ArrowSize, y),
+ QPointF(left, y + ArrowSize)
+ };
+ p.drawPolygon(points, countof(points));
+ }
+
+ const QRect r(left + ArrowSize * 2, y - row_height / 2,
+ right - left, row_height);
+ const QString h(_cur_row_headings[i]);
+ const int f = Qt::AlignLeft | Qt::AlignVCenter |
+ Qt::TextDontClip;
+
+ // Draw the outline
+ p.setPen(QApplication::palette().color(QPalette::Base));
+ for (int dx = -1; dx <= 1; dx++)
+ for (int dy = -1; dy <= 1; dy++)
+ if (dx != 0 && dy != 0)
+ p.drawText(r.translated(dx, dy), f, h);
+
+ // Draw the text
+ p.setPen(QApplication::palette().color(QPalette::WindowText));
+ p.drawText(r, f, h);
+ }
+}
+