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/*
* This file is part of the PulseView project.
*
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
* Copyright (C) 2016 Soeren Apel <soeren@apelpie.net>
*
* 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/>.
*/
#ifdef ENABLE_DECODE
#include <libsigrokdecode/libsigrokdecode.h>
#endif
#include <libsigrokcxx/libsigrokcxx.hpp>
#include "pv/session.hpp"
#include "pv/util.hpp"
#include "pv/data/segment.hpp"
using std::shared_ptr;
namespace pv {
namespace views {
const char* ViewTypeNames[ViewTypeCount] = {
"Trace View",
#ifdef ENABLE_DECODE
"Binary Decoder Output View"
#endif
};
const int ViewBase::MaxViewAutoUpdateRate = 25; // No more than 25 Hz
ViewBase::ViewBase(Session &session, bool is_main_view, QMainWindow *parent) :
// Note: Place defaults in ViewBase::reset_view_state(), not here
QWidget(parent),
session_(session),
is_main_view_(is_main_view)
{
(void)parent;
connect(&session_, SIGNAL(signals_changed()),
this, SLOT(signals_changed()));
connect(&session_, SIGNAL(capture_state_changed(int)),
this, SLOT(capture_state_updated(int)));
connect(&session_, SIGNAL(new_segment(int)),
this, SLOT(on_new_segment(int)));
connect(&delayed_view_updater_, SIGNAL(timeout()),
this, SLOT(perform_delayed_view_update()));
delayed_view_updater_.setSingleShot(true);
delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate);
}
bool ViewBase::is_main_view() const
{
return is_main_view_;
}
void ViewBase::reset_view_state()
{
current_segment_ = 0;
}
Session& ViewBase::session()
{
return session_;
}
const Session& ViewBase::session() const
{
return session_;
}
void ViewBase::clear_signals()
{
clear_signalbases();
}
vector< shared_ptr<data::SignalBase> > ViewBase::signalbases() const
{
return signalbases_;
}
void ViewBase::clear_signalbases()
{
for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) {
disconnect(signalbase.get(), SIGNAL(samples_cleared()),
this, SLOT(on_data_updated()));
disconnect(signalbase.get(), SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
this, SLOT(on_samples_added(uint64_t, uint64_t, uint64_t)));
}
signalbases_.clear();
}
void ViewBase::add_signalbase(const shared_ptr<data::SignalBase> signalbase)
{
signalbases_.push_back(signalbase);
connect(signalbase.get(), SIGNAL(samples_cleared()),
this, SLOT(on_data_updated()));
connect(signalbase.get(), SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
this, SLOT(on_samples_added(uint64_t, uint64_t, uint64_t)));
}
#ifdef ENABLE_DECODE
void ViewBase::clear_decode_signals()
{
decode_signals_.clear();
}
void ViewBase::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
{
decode_signals_.push_back(signal);
}
void ViewBase::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
{
decode_signals_.erase(std::remove_if(
decode_signals_.begin(), decode_signals_.end(),
[&](shared_ptr<data::DecodeSignal> s) { return s == signal; }),
decode_signals_.end());
}
#endif
void ViewBase::save_settings(QSettings &settings) const
{
(void)settings;
}
void ViewBase::restore_settings(QSettings &settings)
{
(void)settings;
}
void ViewBase::trigger_event(int segment_id, util::Timestamp location)
{
(void)segment_id;
(void)location;
}
void ViewBase::signals_changed()
{
}
void ViewBase::on_new_segment(int new_segment_id)
{
(void)new_segment_id;
}
void ViewBase::on_segment_completed(int new_segment_id)
{
(void)new_segment_id;
}
void ViewBase::capture_state_updated(int state)
{
(void)state;
}
void ViewBase::perform_delayed_view_update()
{
}
void ViewBase::on_samples_added(uint64_t segment_id, uint64_t start_sample,
uint64_t end_sample)
{
(void)start_sample;
(void)end_sample;
if (segment_id != current_segment_)
return;
if (!delayed_view_updater_.isActive())
delayed_view_updater_.start();
}
void ViewBase::on_data_updated()
{
if (!delayed_view_updater_.isActive())
delayed_view_updater_.start();
}
} // namespace views
} // namespace pv
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