* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "cursor.h"
+#include "cursor.hpp"
-#include "view.h"
+#include "view.hpp"
+#include "pv/util.hpp"
+#include <QApplication>
#include <QBrush>
#include <QPainter>
+#include <QPointF>
#include <QRect>
#include <QRectF>
+#include <cassert>
+#include <cstdio>
+#include <limits>
+
+using std::abs;
+using std::shared_ptr;
+using std::numeric_limits;
+
namespace pv {
namespace view {
-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;
+Cursor::Cursor(View &view, double time) :
+ TimeMarker(view, FillColour, time)
+{
+}
+
+bool Cursor::enabled() const
+{
+ return view_.cursors_shown();
+}
-Cursor::Cursor(const View &view, double time) :
- TimeMarker(view, LineColour, time)
+QString Cursor::get_text() const
{
+ return pv::util::format_time(time_, view_.tick_prefix(), 2);
}
-void Cursor::paint_label(QPainter &p, const QRect &rect)
+QRectF Cursor::label_rect(const QRectF &rect) const
{
- const float x = (_time - _view.offset()) / _view.scale();
- const QRectF r(x - Size/2, rect.height() - Size - Offset,
- Size, Size);
+ const shared_ptr<Cursor> other(get_other_cursor());
+ assert(other);
+
+ const float x = (time_ - view_.offset()) / view_.scale();
+
+ QFontMetrics m(QApplication::font());
+ QSize text_size = m.boundingRect(get_text()).size();
- p.setPen(LineColour);
- p.setBrush(QBrush(FillColour));
- p.drawEllipse(r);
+ 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();
- p.setPen(HighlightColour);
- p.setBrush(QBrush());
- p.drawEllipse(r.adjusted(1, 1, -1, -1));
+ const double other_time = other->time();
+ if (time_ > other_time ||
+ (abs(time_ - other_time) < numeric_limits<double>::epsilon() &&
+ this > other.get()))
+ return QRectF(x, top, label_size.width(), height);
+ else
+ return QRectF(x - label_size.width(), top,
+ label_size.width(), height);
+}
+
+shared_ptr<Cursor> Cursor::get_other_cursor() const
+{
+ const shared_ptr<CursorPair> cursors(view_.cursors());
+ assert(cursors);
+ return (cursors->first().get() == this) ?
+ cursors->second() : cursors->first();
}
} // namespace view