#include <extdef.h>
+using namespace boost;
+
namespace pv {
namespace view {
const int Cursor::ArrowSize = 4;
-Cursor::Cursor(const View &view, double time, Cursor &other) :
- TimeMarker(view, LineColour, time),
- _other(other)
+Cursor::Cursor(View &view, double time) :
+ TimeMarker(view, LineColour, time)
{
}
QRectF Cursor::get_label_rect(const QRect &rect) const
{
+ const shared_ptr<Cursor> other(get_other_cursor());
+ assert(other);
+
const float x = (_time - _view.offset()) / _view.scale();
const QSizeF label_size(
Cursor::Offset - Cursor::ArrowSize - 0.5f;
const float height = label_size.height();
- if (_time > _other.time())
+ if (_time > other->time())
return QRectF(x, top, label_size.width(), height);
else
return QRectF(x - label_size.width(), top,
void Cursor::paint_label(QPainter &p, const QRect &rect,
unsigned int prefix)
{
+ const shared_ptr<Cursor> other(get_other_cursor());
+ assert(other);
+
compute_text_size(p, prefix);
const QRectF r(get_label_rect(rect));
- if (_time > _other.time())
- {
- const QPointF points[] = {
- r.topLeft(),
- r.topRight(),
- r.bottomRight(),
- QPointF(r.left() + ArrowSize, r.bottom()),
- QPointF(r.left(), rect.bottom()),
- };
-
- const QPointF highlight_points[] = {
- QPointF(r.left() + 1, r.top() + 1),
- QPointF(r.right() - 1, r.top() + 1),
- QPointF(r.right() - 1, r.bottom() - 1),
- QPointF(r.left() + ArrowSize - 1, r.bottom() - 1),
- QPointF(r.left() + 1, rect.bottom() - 1),
- };
-
- p.setPen(Qt::transparent);
- p.setBrush(FillColour);
- p.drawPolygon(points, countof(points));
-
- p.setPen(HighlightColour);
+ const QPointF left_points[] = {
+ r.topLeft(),
+ r.topRight(),
+ r.bottomRight(),
+ QPointF(r.left() + ArrowSize, r.bottom()),
+ QPointF(r.left(), rect.bottom()),
+ };
+
+ const QPointF right_points[] = {
+ r.topRight(),
+ r.topLeft(),
+ r.bottomLeft(),
+ QPointF(r.right() - ArrowSize, r.bottom()),
+ QPointF(r.right(), rect.bottom()),
+ };
+
+ const QPointF left_highlight_points[] = {
+ QPointF(r.left() + 1, r.top() + 1),
+ QPointF(r.right() - 1, r.top() + 1),
+ QPointF(r.right() - 1, r.bottom() - 1),
+ QPointF(r.left() + ArrowSize - 1, r.bottom() - 1),
+ QPointF(r.left() + 1, rect.bottom() - 1),
+ };
+
+ const QPointF right_highlight_points[] = {
+ QPointF(r.right() - 1, r.top() + 1),
+ QPointF(r.left() + 1, r.top() + 1),
+ QPointF(r.left() + 1, r.bottom() - 1),
+ QPointF(r.right() - ArrowSize + 1, r.bottom() - 1),
+ QPointF(r.right() - 1, rect.bottom() - 1),
+ };
+
+ const QPointF *const points = (_time > other->time()) ?
+ left_points : right_points;
+ const QPointF *const highlight_points = (_time > other->time()) ?
+ left_highlight_points : right_highlight_points;
+
+ if (selected()) {
+ p.setPen(highlight_pen());
p.setBrush(Qt::transparent);
- p.drawPolygon(highlight_points, countof(highlight_points));
-
- p.setPen(LineColour);
- p.setBrush(Qt::transparent);
- p.drawPolygon(points, countof(points));
+ p.drawPolygon(points, countof(left_points));
}
- else
- {
- const QPointF points[] = {
- r.topRight(),
- r.topLeft(),
- r.bottomLeft(),
- QPointF(r.right() - ArrowSize, r.bottom()),
- QPointF(r.right(), rect.bottom()),
- };
-
- const QPointF highlight_points[] = {
- QPointF(r.right() - 1, r.top() + 1),
- QPointF(r.left() + 1, r.top() + 1),
- QPointF(r.left() + 1, r.bottom() - 1),
- QPointF(r.right() - ArrowSize + 1, r.bottom() - 1),
- QPointF(r.right() - 1, rect.bottom() - 1),
- };
-
- p.setPen(Qt::transparent);
- p.setBrush(FillColour);
- p.drawPolygon(points, countof(points));
-
- p.setPen(HighlightColour);
- p.setBrush(Qt::transparent);
- p.drawPolygon(highlight_points, countof(highlight_points));
- p.setPen(LineColour);
- p.setBrush(Qt::transparent);
- p.drawPolygon(points, countof(points));
- }
+ p.setPen(Qt::transparent);
+ p.setBrush(FillColour);
+ p.drawPolygon(points, countof(left_points));
+
+ p.setPen(HighlightColour);
+ p.setBrush(Qt::transparent);
+ p.drawPolygon(highlight_points, countof(left_highlight_points));
+
+ p.setPen(LineColour);
+ p.setBrush(Qt::transparent);
+ p.drawPolygon(points, countof(left_points));
p.setPen(TextColour);
p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter,
Ruler::format_time(_time, prefix, 2)).size();
}
+shared_ptr<Cursor> Cursor::get_other_cursor() const
+{
+ const CursorPair &cursors = _view.cursors();
+ return (cursors.first().get() == this) ?
+ cursors.second() : cursors.first();
+}
+
} // namespace view
} // namespace pv