* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "cursor.h"
+#include "cursor.hpp"
-#include "view.h"
+#include "ruler.hpp"
+#include "view.hpp"
+#include "pv/util.hpp"
+#include <QApplication>
#include <QBrush>
#include <QPainter>
#include <QPointF>
#include <QRect>
#include <QRectF>
-#include <stdio.h>
+#include <cassert>
+#include <cstdio>
+#include <limits>
-#include <extdef.h>
+using std::abs;
+using std::shared_ptr;
+using std::numeric_limits;
namespace pv {
-namespace view {
+namespace views {
+namespace TraceView {
-const QColor Cursor::LineColour(32, 74, 135);
const QColor Cursor::FillColour(52, 101, 164);
-const QColor Cursor::HighlightColour(83, 130, 186);
-const QColor Cursor::TextColour(Qt::white);
-const int Cursor::Size = 12;
-const int Cursor::Offset = 1;
-
-const int Cursor::ArrowSize = 4;
-
-Cursor::Cursor(const View &view, double time) :
- TimeMarker(view, LineColour, time)
+Cursor::Cursor(View &view, double time) :
+ TimeMarker(view, FillColour, time)
{
}
-QRectF Cursor::get_label_rect(const QRect &rect) const
+bool Cursor::enabled() const
{
- const float x = (_time - _view.offset()) / _view.scale();
-
- const QSizeF label_size(
- _text_size.width() + View::LabelPadding.width() * 2,
- _text_size.height() + View::LabelPadding.height() * 2);
- return QRectF(x - label_size.width() / 2 - 0.5f,
- rect.height() - label_size.height() - Offset - ArrowSize - 0.5f,
- label_size.width() + 1, label_size.height() + 1);
+ return view_.cursors_shown();
}
-void Cursor::paint_label(QPainter &p, const QRect &rect)
+QString Cursor::get_text() const
{
- compute_text_size(p);
- const QRectF r(get_label_rect(rect));
-
- const float h_centre = (r.left() + r.right()) / 2;
- const QPointF points[] = {
- r.topRight(),
- QPointF(r.right(), r.bottom()),
- QPointF(h_centre + ArrowSize, r.bottom()),
- QPointF(h_centre, rect.bottom()),
- QPointF(h_centre - ArrowSize, r.bottom()),
- QPointF(r.left(), r.bottom()),
- r.topLeft()
- };
-
- const QPointF highlight_points[] = {
- QPointF(r.right() - 1, r.top() + 1),
- QPointF(r.right() - 1, r.bottom() - 1),
- QPointF(h_centre + ArrowSize - 1, r.bottom() - 1),
- QPointF(h_centre, rect.bottom() - 1),
- QPointF(h_centre - ArrowSize + 1, r.bottom() - 1),
- QPointF(r.left() + 1, r.bottom() - 1),
- QPointF(r.left() + 1, r.top() + 1),
- };
-
- char text[16];
- format_text(text);
-
- 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(TextColour);
- p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, text);
+ const shared_ptr<Cursor> other = get_other_cursor();
+ const pv::util::Timestamp& diff = abs(time_ - other->time_);
+
+ return Ruler::format_time_with_distance(
+ diff, time_, view_.tick_prefix(), view_.time_unit(), view_.tick_precision());
}
-void Cursor::compute_text_size(QPainter &p)
+QRectF Cursor::label_rect(const QRectF &rect) const
{
- char text[16];
- format_text(text);
- _text_size = p.boundingRect(QRectF(), 0, text).size();
+ const shared_ptr<Cursor> other(get_other_cursor());
+ assert(other);
+
+ const float x = ((time_ - view_.offset())/ view_.scale()).convert_to<float>();
+
+ QFontMetrics m(QApplication::font());
+ QSize text_size = m.boundingRect(get_text()).size();
+
+ const QSizeF label_size(
+ text_size.width() + LabelPadding.width() * 2,
+ text_size.height() + LabelPadding.height() * 2);
+ const float top = rect.height() - label_size.height() -
+ TimeMarker::ArrowSize - 0.5f;
+ const float height = label_size.height();
+
+ const pv::util::Timestamp& other_time = other->time();
+
+ if (time_ > other_time ||
+ (abs(time_ - other_time).is_zero() && this > other.get()))
+ return QRectF(x, top, label_size.width(), height);
+ else
+ return QRectF(x - label_size.width(), top, label_size.width(), height);
}
-void Cursor::format_text(char *text)
+shared_ptr<Cursor> Cursor::get_other_cursor() const
{
- sprintf(text, "%gs", _time);
+ const shared_ptr<CursorPair> cursors(view_.cursors());
+ assert(cursors);
+ return (cursors->first().get() == this) ?
+ cursors->second() : cursors->first();
}
-} // namespace view
+} // namespace TraceView
+} // namespace views
} // namespace pv