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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 | using std::make_shared; | |
40 | ||
41 | namespace pv { | |
42 | namespace views { | |
43 | namespace trace { | |
44 | ||
45 | const char *const ChannelNames[] = { | |
46 | "CLK", | |
47 | "DATA", | |
48 | "IN", | |
49 | "OUT", | |
50 | "RST", | |
51 | "TX", | |
52 | "RX", | |
53 | "EN", | |
54 | "SCLK", | |
55 | "MOSI", | |
56 | "MISO", | |
57 | "/SS", | |
58 | "SDA", | |
59 | "SCL" | |
60 | }; | |
61 | ||
62 | Signal::Signal(pv::Session &session, | |
63 | shared_ptr<data::SignalBase> channel) : | |
64 | Trace(channel), | |
65 | session_(session), | |
66 | name_widget_(nullptr) | |
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::save_settings(QSettings &settings) const | |
93 | { | |
94 | (void)settings; | |
95 | } | |
96 | ||
97 | void Signal::restore_settings(QSettings &settings) | |
98 | { | |
99 | (void)settings; | |
100 | } | |
101 | ||
102 | void Signal::paint_back(QPainter &p, ViewItemPaintParams &pp) | |
103 | { | |
104 | if (base_->enabled()) | |
105 | Trace::paint_back(p, pp); | |
106 | } | |
107 | ||
108 | void Signal::populate_popup_form(QWidget *parent, QFormLayout *form) | |
109 | { | |
110 | name_widget_ = new QComboBox(parent); | |
111 | name_widget_->setEditable(true); | |
112 | name_widget_->setCompleter(nullptr); | |
113 | ||
114 | for (unsigned int i = 0; i < countof(ChannelNames); i++) | |
115 | name_widget_->insertItem(i, ChannelNames[i]); | |
116 | ||
117 | const int index = name_widget_->findText(base_->name(), Qt::MatchExactly); | |
118 | ||
119 | if (index == -1) { | |
120 | name_widget_->insertItem(0, base_->name()); | |
121 | name_widget_->setCurrentIndex(0); | |
122 | } else { | |
123 | name_widget_->setCurrentIndex(index); | |
124 | } | |
125 | ||
126 | connect(name_widget_, SIGNAL(editTextChanged(const QString&)), | |
127 | this, SLOT(on_nameedit_changed(const QString&))); | |
128 | ||
129 | form->addRow(tr("Name"), name_widget_); | |
130 | ||
131 | add_colour_option(parent, form); | |
132 | } | |
133 | ||
134 | QMenu* Signal::create_context_menu(QWidget *parent) | |
135 | { | |
136 | QMenu *const menu = Trace::create_context_menu(parent); | |
137 | ||
138 | menu->addSeparator(); | |
139 | ||
140 | QAction *const disable = new QAction(tr("Disable"), this); | |
141 | disable->setShortcuts(QKeySequence::Delete); | |
142 | connect(disable, SIGNAL(triggered()), this, SLOT(on_disable())); | |
143 | menu->addAction(disable); | |
144 | ||
145 | return menu; | |
146 | } | |
147 | ||
148 | void Signal::delete_pressed() | |
149 | { | |
150 | on_disable(); | |
151 | } | |
152 | ||
153 | void Signal::on_name_changed(const QString &text) | |
154 | { | |
155 | // On startup, this event is fired when a session restores signal | |
156 | // names. However, the name widget hasn't yet been created. | |
157 | if (!name_widget_) | |
158 | return; | |
159 | ||
160 | if (text != name_widget_->currentText()) | |
161 | name_widget_->setEditText(text); | |
162 | ||
163 | Trace::on_name_changed(text); | |
164 | } | |
165 | ||
166 | void Signal::on_disable() | |
167 | { | |
168 | base_->set_enabled(false); | |
169 | } | |
170 | ||
171 | void Signal::on_enabled_changed(bool enabled) | |
172 | { | |
173 | (void)enabled; | |
174 | ||
175 | if (owner_) | |
176 | owner_->extents_changed(true, true); | |
177 | } | |
178 | ||
179 | } // namespace trace | |
180 | } // namespace views | |
181 | } // namespace pv |