* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "timemarker.h"
+#include <algorithm>
-#include "view.h"
+#include <extdef.h>
+#include "timemarker.hpp"
+
+#include "view.hpp"
+
+#include <QApplication>
+#include <QFormLayout>
+#include <QFontMetrics>
#include <QPainter>
-#include <pv/widgets/popup.h>
+#include <pv/widgets/popup.hpp>
-using namespace std;
+using std::max;
+using std::min;
namespace pv {
namespace view {
+const int TimeMarker::ArrowSize = 4;
+const int TimeMarker::Offset = 1;
+
TimeMarker::TimeMarker(View &view, const QColor &colour, double time) :
- _view(view),
- _colour(colour),
- _time(time),
- _value_action(NULL),
- _value_widget(NULL),
- _updating_value_widget(false)
+ TimeItem(view),
+ colour_(colour),
+ time_(time),
+ value_action_(NULL),
+ value_widget_(NULL),
+ updating_value_widget_(false)
{
}
double TimeMarker::time() const
{
- return _time;
+ return time_;
}
float TimeMarker::get_x() const
{
- return (_time - _view.offset()) / _view.scale();
+ return (time_ - view_.offset()) / view_.scale();
+}
+
+QPoint TimeMarker::point() const
+{
+ return QPoint(get_x(), 0);
}
void TimeMarker::set_time(double time)
{
- _time = time;
+ time_ = time;
- if (_value_widget) {
- _updating_value_widget = true;
- _value_widget->setValue(time);
- _updating_value_widget = false;
+ if (value_widget_) {
+ updating_value_widget_ = true;
+ value_widget_->setValue(time);
+ updating_value_widget_ = false;
}
time_changed();
void TimeMarker::paint(QPainter &p, const QRect &rect)
{
const float x = get_x();
- p.setPen(_colour);
+ p.setPen(colour_.darker());
p.drawLine(QPointF(x, rect.top()), QPointF(x, rect.bottom()));
}
+QRectF TimeMarker::label_rect(const QRectF &rect) const
+{
+ const float x = (time_ - view_.offset()) / view_.scale();
+
+ QFontMetrics m(QApplication::font());
+ const float text_width =
+ max(m.boundingRect(get_text()).size().width(), ArrowSize);
+ const float text_height = m.boundingRect("Tg").size().height();
+
+ const QSizeF label_size(
+ text_width + View::LabelPadding.width() * 2,
+ text_height + View::LabelPadding.height() * 2);
+ const float top = rect.height() - label_size.height() -
+ TimeMarker::Offset - TimeMarker::ArrowSize - 0.5f;
+ const float height = label_size.height();
+
+ return QRectF(x - label_size.width() / 2, top,
+ label_size.width(), height);
+}
+
+void TimeMarker::paint_label(QPainter &p, const QRect &rect)
+{
+ if (!enabled())
+ return;
+
+ const qreal x = (time_ - view_.offset()) / view_.scale();
+ const QRectF r(label_rect(rect));
+
+ const QPointF points[] = {
+ r.topLeft(),
+ r.bottomLeft(),
+ QPointF(max(r.left(), x - ArrowSize), r.bottom()),
+ QPointF(x, rect.bottom()),
+ QPointF(min(r.right(), x + ArrowSize), r.bottom()),
+ r.bottomRight(),
+ r.topRight()
+ };
+
+ const QPointF highlight_points[] = {
+ QPointF(r.left() + 1, r.top() + 1),
+ QPointF(r.left() + 1, r.bottom() - 1),
+ QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1),
+ QPointF(min(max(r.left() + 1, x), r.right() - 1),
+ rect.bottom() - 1),
+ QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1),
+ QPointF(r.right() - 1, r.bottom() - 1),
+ QPointF(r.right() - 1, r.top() + 1),
+ };
+
+ if (selected()) {
+ p.setPen(highlight_pen());
+ p.setBrush(Qt::transparent);
+ p.drawPolygon(points, countof(points));
+ }
+
+ p.setPen(Qt::transparent);
+ p.setBrush(colour_);
+ p.drawPolygon(points, countof(points));
+
+ p.setPen(colour_.lighter());
+ p.setBrush(Qt::transparent);
+ p.drawPolygon(highlight_points, countof(highlight_points));
+
+ p.setPen(colour_.darker());
+ p.setBrush(Qt::transparent);
+ p.drawPolygon(points, countof(points));
+
+ p.setPen(select_text_colour(colour_));
+ p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_text());
+}
+
pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
{
using pv::widgets::Popup;
QFormLayout *const form = new QFormLayout(popup);
popup->setLayout(form);
- _value_widget = new QDoubleSpinBox(parent);
- _value_widget->setValue(_time);
- _value_widget->setDecimals(6);
- _value_widget->setSuffix("s");
- _value_widget->setSingleStep(1e-6);
+ value_widget_ = new QDoubleSpinBox(parent);
+ value_widget_->setDecimals(9);
+ value_widget_->setSuffix("s");
+ value_widget_->setSingleStep(1e-6);
+ value_widget_->setRange(-1.0e9, 1.0e9);
+ value_widget_->setValue(time_);
- connect(_value_widget, SIGNAL(valueChanged(double)),
+ connect(value_widget_, SIGNAL(valueChanged(double)),
this, SLOT(on_value_changed(double)));
- form->addRow(tr("Time"), _value_widget);
+ form->addRow(tr("Time"), value_widget_);
return popup;
}
void TimeMarker::on_value_changed(double value)
{
- if (!_updating_value_widget) {
- _time = value;
+ if (!updating_value_widget_) {
+ time_ = value;
time_changed();
}
}