2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5 * Copyright (C) 2016 Soeren Apel <soeren@apelpie.net>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 #include <libsigrokdecode/libsigrokdecode.h>
25 #include <libsigrokcxx/libsigrokcxx.hpp>
27 #include "pv/session.hpp"
28 #include "pv/util.hpp"
29 #include "pv/data/segment.hpp"
31 using std::shared_ptr;
36 const int ViewBase::MaxViewAutoUpdateRate = 25; // No more than 25 Hz
38 ViewBase::ViewBase(Session &session, bool is_main_view, QWidget *parent) :
40 is_main_view_(is_main_view),
45 connect(&session_, SIGNAL(signals_changed()),
46 this, SLOT(signals_changed()));
47 connect(&session_, SIGNAL(capture_state_changed(int)),
48 this, SLOT(capture_state_updated(int)));
49 connect(&session_, SIGNAL(new_segment(int)),
50 this, SLOT(on_new_segment(int)));
52 connect(&delayed_view_updater_, SIGNAL(timeout()),
53 this, SLOT(perform_delayed_view_update()));
54 delayed_view_updater_.setSingleShot(true);
55 delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate);
58 Session& ViewBase::session()
63 const Session& ViewBase::session() const
68 void ViewBase::clear_signals()
72 unordered_set< shared_ptr<data::SignalBase> > ViewBase::signalbases() const
77 void ViewBase::clear_signalbases()
79 for (shared_ptr<data::SignalBase> signalbase : signalbases_) {
80 disconnect(signalbase.get(), SIGNAL(samples_cleared()),
81 this, SLOT(on_data_updated()));
82 disconnect(signalbase.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
83 this, SLOT(on_samples_added(QObject*, uint64_t, uint64_t)));
89 void ViewBase::add_signalbase(const shared_ptr<data::SignalBase> signalbase)
91 signalbases_.insert(signalbase);
93 connect(signalbase.get(), SIGNAL(samples_cleared()),
94 this, SLOT(on_data_updated()));
95 connect(signalbase.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
96 this, SLOT(on_samples_added(QObject*, uint64_t, uint64_t)));
100 void ViewBase::clear_decode_signals()
104 void ViewBase::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
109 void ViewBase::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
115 void ViewBase::save_settings(QSettings &settings) const
120 void ViewBase::restore_settings(QSettings &settings)
125 void ViewBase::trigger_event(util::Timestamp location)
130 void ViewBase::signals_changed()
134 void ViewBase::on_new_segment(int new_segment_id)
136 (void)new_segment_id;
139 void ViewBase::on_segment_completed(int new_segment_id)
141 (void)new_segment_id;
144 void ViewBase::capture_state_updated(int state)
149 void ViewBase::perform_delayed_view_update()
153 void ViewBase::on_samples_added(QObject* segment, uint64_t start_sample,
159 data::Segment* s = qobject_cast<data::Segment*>(segment);
161 if (s->segment_id() != current_segment_)
164 if (!delayed_view_updater_.isActive())
165 delayed_view_updater_.start();
168 void ViewBase::on_data_updated()
170 if (!delayed_view_updater_.isActive())
171 delayed_view_updater_.start();