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/*
* This file is part of the PulseView project.
*
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <algorithm>
#include <cmath>
#include <extdef.h>
#include "timemarker.hpp"
#include "pv/widgets/timestampspinbox.hpp"
#include "ruler.hpp"
#include "view.hpp"
#include <QApplication>
#include <QFontMetrics>
#include <QFormLayout>
#include <QPainter>
#include <pv/widgets/popup.hpp>
using std::max;
using std::min;
namespace pv {
namespace views {
namespace trace {
const int TimeMarker::ArrowSize = 4;
TimeMarker::TimeMarker(
View &view, const QColor &color, const pv::util::Timestamp& time) :
TimeItem(view),
color_(color),
time_(time),
value_action_(nullptr),
value_widget_(nullptr)
{
}
const pv::util::Timestamp TimeMarker::time() const
{
return time_;
}
void TimeMarker::set_time(const pv::util::Timestamp& time)
{
time_ = time;
if (value_widget_) {
QSignalBlocker blocker(value_widget_);
value_widget_->setValue(view_.ruler()->get_ruler_time_from_absolute_time(time));
}
view_.time_item_appearance_changed(true, true);
}
float TimeMarker::get_x() const
{
// Use roundf() from cmath, std::roundf() causes Android issues (see #945).
return roundf(((time_ - view_.offset()) / view_.scale()).convert_to<float>()) + 0.5f;
}
QPoint TimeMarker::drag_point(const QRect &rect) const
{
(void)rect;
return QPoint(get_x(), view_.mapFromGlobal(QCursor::pos()).y());
}
QRectF TimeMarker::label_rect(const QRectF &rect) const
{
QFontMetrics m(QApplication::font());
const QSizeF text_size(
max(m.boundingRect(get_text()).size().width(), ArrowSize),
m.height());
const QSizeF label_size(text_size + LabelPadding * 2);
const float top = rect.height() - label_size.height() -
TimeMarker::ArrowSize - 0.5f;
const float x = get_x();
return QRectF(QPointF(x - label_size.width() / 2, top), label_size);
}
QRectF TimeMarker::hit_box_rect(const ViewItemPaintParams &pp) const
{
const float x = get_x();
const float h = QFontMetrics(QApplication::font()).height();
return QRectF(x - h / 2.0f, pp.top(), h, pp.height());
}
void TimeMarker::set_text(const QString &text)
{
(void)text;
}
void TimeMarker::paint_label(QPainter &p, const QRect &rect, bool hover)
{
if (!enabled())
return;
const qreal x = get_x();
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(hover ? color_.lighter() : color_);
p.drawPolygon(points, countof(points));
p.setPen(color_.lighter());
p.setBrush(Qt::transparent);
p.drawPolygon(highlight_points, countof(highlight_points));
p.setPen(color_.darker());
p.setBrush(Qt::transparent);
p.drawPolygon(points, countof(points));
p.setPen(select_text_color(color_));
p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_text());
}
void TimeMarker::paint_fore(QPainter &p, ViewItemPaintParams &pp)
{
if (!enabled())
return;
const float x = get_x();
p.setPen(color_.darker());
p.drawLine(QPointF(x, pp.top()), QPointF(x, pp.bottom()));
}
pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
{
using pv::widgets::Popup;
Popup *const popup = new Popup(parent);
popup->set_position(parent->mapToGlobal(
drag_point(parent->rect())), Popup::Bottom);
QFormLayout *const form = new QFormLayout(popup);
popup->setLayout(form);
value_widget_ = new pv::widgets::TimestampSpinBox(parent);
value_widget_->setValue(view_.ruler()->get_ruler_time_from_absolute_time(time_));
connect(value_widget_, SIGNAL(valueChanged(const pv::util::Timestamp&)),
this, SLOT(on_value_changed(const pv::util::Timestamp&)));
form->addRow(tr("Time"), value_widget_);
return popup;
}
void TimeMarker::on_value_changed(const pv::util::Timestamp& value)
{
set_time(view_.ruler()->get_absolute_time_from_ruler_time(value));
}
} // namespace trace
} // namespace views
} // namespace pv
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