* 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 <QBrush>
#include <QPainter>
+#include <QPointF>
#include <QRect>
#include <QRectF>
+#include <cassert>
+#include <cstdio>
+
+#include <extdef.h>
+
+using std::shared_ptr;
+
namespace pv {
namespace view {
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(const View &view, double time) :
+const int Cursor::ArrowSize = 4;
+
+Cursor::Cursor(View &view, double time) :
TimeMarker(view, LineColour, time)
{
}
-void Cursor::paint_label(QPainter &p, const QRect &rect)
+QRectF Cursor::get_label_rect(const QRect &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);
- p.setPen(LineColour);
- p.setBrush(QBrush(FillColour));
- p.drawEllipse(r);
+ 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);
+ const float top = rect.height() - label_size.height() -
+ Cursor::Offset - Cursor::ArrowSize - 0.5f;
+ const float height = label_size.height();
+
+ if (time_ > other->time())
+ return QRectF(x, top, label_size.width(), height);
+ else
+ return QRectF(x - label_size.width(), top,
+ label_size.width(), height);
+}
+
+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));
+
+ 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(points, countof(left_points));
+ }
+
+ p.setPen(Qt::transparent);
+ p.setBrush(FillColour);
+ p.drawPolygon(points, countof(left_points));
p.setPen(HighlightColour);
- p.setBrush(QBrush());
- p.drawEllipse(r.adjusted(1, 1, -1, -1));
+ 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,
+ pv::util::format_time(time_, prefix, 2));
+}
+
+void Cursor::compute_text_size(QPainter &p, unsigned int prefix)
+{
+ text_size_ = p.boundingRect(QRectF(), 0,
+ pv::util::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