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/*
* This file is part of the PulseView project.
*
* Copyright (C) 2014 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 "signal.hpp"
#include "timeitem.hpp"
#include "view.hpp"
namespace pv {
namespace views {
namespace trace {
TimeItem::TimeItem(View &view) :
view_(view) {
}
void TimeItem::drag_by(const QPoint &delta)
{
if (snapping_disabled_) {
set_time(view_.offset() + (drag_point_.x() + delta.x() - 0.5) *
view_.scale());
} else {
int64_t sample_num = view_.get_nearest_level_change(drag_point_ + delta);
if (sample_num > -1)
set_time(sample_num / view_.get_signal_under_mouse_cursor()->base()->get_samplerate());
else
set_time(view_.offset() + (drag_point_.x() + delta.x() - 0.5) * view_.scale());
}
}
const pv::util::Timestamp TimeItem::delta(const pv::util::Timestamp& other) const
{
return other - time();
}
bool TimeItem::is_snapping_disabled() const
{
return snapping_disabled_;
}
} // namespace trace
} // namespace views
} // namespace pv
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