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) :
39 // Note: Place defaults in ViewBase::reset_view_state(), not here
41 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 void ViewBase::reset_view_state()
63 Session& ViewBase::session()
68 const Session& ViewBase::session() const
73 void ViewBase::clear_signals()
77 unordered_set< shared_ptr<data::SignalBase> > ViewBase::signalbases() const
82 void ViewBase::clear_signalbases()
84 for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) {
85 disconnect(signalbase.get(), SIGNAL(samples_cleared()),
86 this, SLOT(on_data_updated()));
87 disconnect(signalbase.get(), SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
88 this, SLOT(on_samples_added(uint64_t, uint64_t, uint64_t)));
94 void ViewBase::add_signalbase(const shared_ptr<data::SignalBase> signalbase)
96 signalbases_.insert(signalbase);
98 connect(signalbase.get(), SIGNAL(samples_cleared()),
99 this, SLOT(on_data_updated()));
100 connect(signalbase.get(), SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
101 this, SLOT(on_samples_added(uint64_t, uint64_t, uint64_t)));
105 void ViewBase::clear_decode_signals()
109 void ViewBase::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
114 void ViewBase::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
120 void ViewBase::save_settings(QSettings &settings) const
125 void ViewBase::restore_settings(QSettings &settings)
130 void ViewBase::trigger_event(int segment_id, util::Timestamp location)
136 void ViewBase::signals_changed()
140 void ViewBase::on_new_segment(int new_segment_id)
142 (void)new_segment_id;
145 void ViewBase::on_segment_completed(int new_segment_id)
147 (void)new_segment_id;
150 void ViewBase::capture_state_updated(int state)
155 void ViewBase::perform_delayed_view_update()
159 void ViewBase::on_samples_added(uint64_t segment_id, uint64_t start_sample,
165 if (segment_id != current_segment_)
168 if (!delayed_view_updater_.isActive())
169 delayed_view_updater_.start();
172 void ViewBase::on_data_updated()
174 if (!delayed_view_updater_.isActive())
175 delayed_view_updater_.start();