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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
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 <extdef.h> | |
21 | ||
22 | #include <cassert> | |
23 | #include <cmath> | |
24 | ||
25 | #include <QApplication> | |
26 | #include <QFormLayout> | |
27 | #include <QKeyEvent> | |
28 | #include <QLineEdit> | |
29 | #include <QMenu> | |
30 | ||
31 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
32 | ||
33 | #include "pv/data/signalbase.hpp" | |
34 | ||
35 | #include "signal.hpp" | |
36 | #include "view.hpp" | |
37 | ||
38 | using std::shared_ptr; | |
39 | ||
40 | namespace pv { | |
41 | namespace views { | |
42 | namespace trace { | |
43 | ||
44 | const char *const ChannelNames[] = { | |
45 | "CLK", | |
46 | "DATA", | |
47 | "IN", | |
48 | "OUT", | |
49 | "RST", | |
50 | "TX", | |
51 | "RX", | |
52 | "EN", | |
53 | "SCLK", | |
54 | "MOSI", | |
55 | "MISO", | |
56 | "/SS", | |
57 | "SDA", | |
58 | "SCL" | |
59 | }; | |
60 | ||
61 | Signal::Signal(pv::Session &session, | |
62 | shared_ptr<data::SignalBase> channel) : | |
63 | Trace(channel), | |
64 | session_(session), | |
65 | name_widget_(nullptr), | |
66 | current_segment_(0) | |
67 | { | |
68 | assert(base_); | |
69 | ||
70 | connect(base_.get(), SIGNAL(enabled_changed(bool)), | |
71 | this, SLOT(on_enabled_changed(bool))); | |
72 | } | |
73 | ||
74 | void Signal::set_name(QString name) | |
75 | { | |
76 | Trace::set_name(name); | |
77 | ||
78 | if (name != name_widget_->currentText()) | |
79 | name_widget_->setEditText(name); | |
80 | } | |
81 | ||
82 | bool Signal::enabled() const | |
83 | { | |
84 | return base_->enabled(); | |
85 | } | |
86 | ||
87 | shared_ptr<data::SignalBase> Signal::base() const | |
88 | { | |
89 | return base_; | |
90 | } | |
91 | ||
92 | void Signal::set_current_segment(const int segment) | |
93 | { | |
94 | current_segment_ = segment; | |
95 | } | |
96 | ||
97 | int Signal::get_current_segment() const | |
98 | { | |
99 | return current_segment_; | |
100 | } | |
101 | ||
102 | void Signal::save_settings(QSettings &settings) const | |
103 | { | |
104 | (void)settings; | |
105 | } | |
106 | ||
107 | void Signal::restore_settings(QSettings &settings) | |
108 | { | |
109 | (void)settings; | |
110 | } | |
111 | ||
112 | void Signal::paint_back(QPainter &p, ViewItemPaintParams &pp) | |
113 | { | |
114 | if (base_->enabled()) | |
115 | Trace::paint_back(p, pp); | |
116 | } | |
117 | ||
118 | void Signal::populate_popup_form(QWidget *parent, QFormLayout *form) | |
119 | { | |
120 | name_widget_ = new QComboBox(parent); | |
121 | name_widget_->setEditable(true); | |
122 | name_widget_->setCompleter(nullptr); | |
123 | ||
124 | for (unsigned int i = 0; i < countof(ChannelNames); i++) | |
125 | name_widget_->insertItem(i, ChannelNames[i]); | |
126 | ||
127 | const int index = name_widget_->findText(base_->name(), Qt::MatchExactly); | |
128 | ||
129 | if (index == -1) { | |
130 | name_widget_->insertItem(0, base_->name()); | |
131 | name_widget_->setCurrentIndex(0); | |
132 | } else { | |
133 | name_widget_->setCurrentIndex(index); | |
134 | } | |
135 | ||
136 | connect(name_widget_, SIGNAL(editTextChanged(const QString&)), | |
137 | this, SLOT(on_nameedit_changed(const QString&))); | |
138 | ||
139 | form->addRow(tr("Name"), name_widget_); | |
140 | ||
141 | add_colour_option(parent, form); | |
142 | } | |
143 | ||
144 | QMenu* Signal::create_context_menu(QWidget *parent) | |
145 | { | |
146 | QMenu *const menu = Trace::create_context_menu(parent); | |
147 | ||
148 | menu->addSeparator(); | |
149 | ||
150 | QAction *const disable = new QAction(tr("Disable"), this); | |
151 | disable->setShortcuts(QKeySequence::Delete); | |
152 | connect(disable, SIGNAL(triggered()), this, SLOT(on_disable())); | |
153 | menu->addAction(disable); | |
154 | ||
155 | return menu; | |
156 | } | |
157 | ||
158 | void Signal::delete_pressed() | |
159 | { | |
160 | on_disable(); | |
161 | } | |
162 | ||
163 | void Signal::on_name_changed(const QString &text) | |
164 | { | |
165 | // On startup, this event is fired when a session restores signal | |
166 | // names. However, the name widget hasn't yet been created. | |
167 | if (!name_widget_) | |
168 | return; | |
169 | ||
170 | if (text != name_widget_->currentText()) | |
171 | name_widget_->setEditText(text); | |
172 | ||
173 | Trace::on_name_changed(text); | |
174 | } | |
175 | ||
176 | void Signal::on_disable() | |
177 | { | |
178 | base_->set_enabled(false); | |
179 | } | |
180 | ||
181 | void Signal::on_enabled_changed(bool enabled) | |
182 | { | |
183 | (void)enabled; | |
184 | ||
185 | if (owner_) | |
186 | owner_->extents_changed(true, true); | |
187 | } | |
188 | ||
189 | } // namespace trace | |
190 | } // namespace views | |
191 | } // namespace pv |