2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <libsigrokdecode/libsigrokdecode.h>
29 #include "decodesignal.h"
31 #include <pv/sigsession.h>
32 #include <pv/data/decoder.h>
33 #include <pv/view/view.h>
34 #include <pv/view/decode/annotation.h>
36 using namespace boost;
42 const QColor DecodeSignal::DecodeColours[4] = {
43 QColor(0xEF, 0x29, 0x29), // Red
44 QColor(0xFC, 0xE9, 0x4F), // Yellow
45 QColor(0x8A, 0xE2, 0x34), // Green
46 QColor(0x72, 0x9F, 0xCF) // Blue
49 DecodeSignal::DecodeSignal(pv::SigSession &session,
50 boost::shared_ptr<pv::data::Decoder> decoder, int index) :
51 Trace(session, QString(decoder->get_decoder()->name)),
56 _colour = DecodeColours[index % countof(DecodeColours)];
58 connect(_decoder.get(), SIGNAL(new_decode_data()),
59 this, SLOT(on_new_decode_data()));
62 void DecodeSignal::init_context_bar_actions(QWidget *parent)
67 bool DecodeSignal::enabled() const
72 void DecodeSignal::set_view(pv::view::View *view)
75 Trace::set_view(view);
78 void DecodeSignal::paint_back(QPainter &p, int left, int right)
80 paint_axis(p, get_y(), left, right);
83 void DecodeSignal::paint_mid(QPainter &p, int left, int right)
85 using namespace pv::view::decode;
88 const int y = get_y();
90 const double scale = _view->scale();
93 double samplerate = _decoder->get_samplerate();
95 // Show sample rate as 1Hz when it is unknown
96 if (samplerate == 0.0)
99 const double pixels_offset = (_view->offset() -
100 _decoder->get_start_time()) / scale;
101 const double samples_per_pixel = samplerate * scale;
104 vector< shared_ptr<Annotation> > annotations(_decoder->annotations());
105 BOOST_FOREACH(shared_ptr<Annotation> a, annotations) {
107 a->paint(p, get_text_colour(), _text_size.height(),
108 left, right, samples_per_pixel, pixels_offset, y);
112 const list<QAction*> DecodeSignal::get_context_bar_actions()
114 list<QAction*> actions;
118 QMenu* DecodeSignal::create_context_menu(QWidget *parent)
120 QMenu *const menu = Trace::create_context_menu(parent);
122 menu->addSeparator();
124 QAction *const del = new QAction(tr("Delete"), this);
125 connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
126 menu->addAction(del);
131 void DecodeSignal::on_new_decode_data()
134 _view->update_viewport();
137 void DecodeSignal::on_delete()
139 _session.remove_decode_signal(this);