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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2019 Soeren Apel <soeren@apelpie.net> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <climits> | |
21 | ||
22 | #include <QByteArray> | |
23 | #include <QDebug> | |
24 | #include <QLabel> | |
25 | #include <QMenu> | |
26 | #include <QToolBar> | |
27 | #include <QVBoxLayout> | |
28 | ||
29 | #include <libsigrokdecode/libsigrokdecode.h> | |
30 | ||
31 | #include "view.hpp" | |
32 | #include "QHexView.hpp" | |
33 | ||
34 | #include "pv/session.hpp" | |
35 | #include "pv/util.hpp" | |
36 | ||
37 | using pv::data::DecodeSignal; | |
38 | using pv::data::SignalBase; | |
39 | using pv::util::TimeUnit; | |
40 | using pv::util::Timestamp; | |
41 | ||
42 | using std::numeric_limits; | |
43 | using std::shared_ptr; | |
44 | ||
45 | namespace pv { | |
46 | namespace views { | |
47 | namespace decoder_output { | |
48 | ||
49 | View::View(Session &session, bool is_main_view, QMainWindow *parent) : | |
50 | ViewBase(session, is_main_view, parent), | |
51 | ||
52 | // Note: Place defaults in View::reset_view_state(), not here | |
53 | signal_selector_(new QComboBox()), | |
54 | format_selector_(new QComboBox()), | |
55 | stacked_widget_(new QStackedWidget()), | |
56 | hex_view_(new QHexView()), | |
57 | signal_(nullptr), | |
58 | merged_data_(new QByteArray()) | |
59 | { | |
60 | QVBoxLayout *root_layout = new QVBoxLayout(this); | |
61 | root_layout->setContentsMargins(0, 0, 0, 0); | |
62 | ||
63 | // Create toolbar | |
64 | QToolBar* toolbar = new QToolBar(); | |
65 | toolbar->setContextMenuPolicy(Qt::PreventContextMenu); | |
66 | parent->addToolBar(toolbar); | |
67 | ||
68 | // Populate toolbar | |
69 | toolbar->addWidget(new QLabel(tr("Decoder:"))); | |
70 | toolbar->addWidget(signal_selector_); | |
71 | toolbar->addSeparator(); | |
72 | toolbar->addWidget(new QLabel(tr("Show data as"))); | |
73 | toolbar->addWidget(format_selector_); | |
74 | ||
75 | // Add format types | |
76 | format_selector_->addItem(tr("Hexdump"), qVariantFromValue(QString("text/hexdump"))); | |
77 | ||
78 | // Add widget stack | |
79 | root_layout->addWidget(stacked_widget_); | |
80 | stacked_widget_->addWidget(hex_view_); | |
81 | stacked_widget_->setCurrentIndex(0); | |
82 | ||
83 | connect(signal_selector_, SIGNAL(currentIndexChanged(int)), | |
84 | this, SLOT(on_selected_signal_changed(int))); | |
85 | ||
86 | hex_view_->setData(merged_data_); | |
87 | ||
88 | reset_view_state(); | |
89 | } | |
90 | ||
91 | View::~View() | |
92 | { | |
93 | } | |
94 | ||
95 | ViewType View::get_type() const | |
96 | { | |
97 | return ViewTypeDecoderOutput; | |
98 | } | |
99 | ||
100 | void View::reset_view_state() | |
101 | { | |
102 | ViewBase::reset_view_state(); | |
103 | } | |
104 | ||
105 | void View::clear_signals() | |
106 | { | |
107 | ViewBase::clear_signalbases(); | |
108 | signal_ = nullptr; | |
109 | } | |
110 | ||
111 | void View::clear_decode_signals() | |
112 | { | |
113 | signal_selector_->clear(); | |
114 | format_selector_->setCurrentIndex(0); | |
115 | signal_ = nullptr; | |
116 | } | |
117 | ||
118 | void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
119 | { | |
120 | connect(signal.get(), SIGNAL(name_changed(const QString&)), | |
121 | this, SLOT(on_signal_name_changed(const QString&))); | |
122 | ||
123 | signal_selector_->addItem(signal->name(), QVariant::fromValue((void*)signal.get())); | |
124 | } | |
125 | ||
126 | void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
127 | { | |
128 | int index = signal_selector_->findData(QVariant::fromValue((void*)signal.get())); | |
129 | ||
130 | if (index != -1) | |
131 | signal_selector_->removeItem(index); | |
132 | ||
133 | if (signal.get() == signal_) { | |
134 | signal_ = nullptr; | |
135 | update_data(); | |
136 | } | |
137 | } | |
138 | ||
139 | void View::save_settings(QSettings &settings) const | |
140 | { | |
141 | (void)settings; | |
142 | } | |
143 | ||
144 | void View::restore_settings(QSettings &settings) | |
145 | { | |
146 | // Note: It is assumed that this function is only called once, | |
147 | // immediately after restoring a previous session. | |
148 | (void)settings; | |
149 | } | |
150 | ||
151 | void View::update_data() | |
152 | { | |
153 | if (!signal_) { | |
154 | merged_data_->clear(); | |
155 | return; | |
156 | } | |
157 | ||
158 | if (signal_->get_binary_data_chunk_count(current_segment_) == 0) { | |
159 | merged_data_->clear(); | |
160 | return; | |
161 | } | |
162 | ||
163 | vector<uint8_t> data; | |
164 | signal_->get_binary_data_chunks_merged(current_segment_, 0, | |
165 | numeric_limits<uint64_t>::max(), &data); | |
166 | ||
167 | merged_data_->resize(data.size()); | |
168 | memcpy(merged_data_->data(), data.data(), data.size()); | |
169 | } | |
170 | ||
171 | void View::on_selected_signal_changed(int index) | |
172 | { | |
173 | if (signal_) | |
174 | disconnect(signal_, SIGNAL(new_binary_data(unsigned int))); | |
175 | ||
176 | signal_ = (DecodeSignal*)signal_selector_->itemData(index).value<void*>(); | |
177 | update_data(); | |
178 | ||
179 | if (signal_) | |
180 | connect(signal_, SIGNAL(new_binary_data(unsigned int)), | |
181 | this, SLOT(on_new_binary_data(unsigned int))); | |
182 | } | |
183 | ||
184 | void View::on_signal_name_changed(const QString &name) | |
185 | { | |
186 | SignalBase *sb = qobject_cast<SignalBase*>(QObject::sender()); | |
187 | assert(sb); | |
188 | ||
189 | int index = signal_selector_->findData(QVariant::fromValue(sb)); | |
190 | if (index != -1) | |
191 | signal_selector_->setItemText(index, name); | |
192 | } | |
193 | ||
194 | void View::on_new_binary_data(unsigned int segment_id) | |
195 | { | |
196 | if (segment_id == current_segment_) | |
197 | update_data(); | |
198 | } | |
199 | ||
200 | } // namespace decoder_output | |
201 | } // namespace views | |
202 | } // namespace pv |