ViewItem: Make HighlightRadius truly a radius
[pulseview.git] / pv / view / signal.cpp
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, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
19  */
20
21 #include <extdef.h>
22
23 #include <assert.h>
24 #include <math.h>
25
26 #include <QApplication>
27 #include <QFormLayout>
28 #include <QKeyEvent>
29 #include <QLineEdit>
30 #include <QMenu>
31
32 #include <libsigrok/libsigrok.hpp>
33
34 #include "signal.hpp"
35 #include "view.hpp"
36
37 using std::shared_ptr;
38
39 using sigrok::Channel;
40
41 namespace pv {
42 namespace view {
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         std::shared_ptr<sigrok::Channel> channel) :
63         Trace(QString::fromUtf8(channel->name().c_str())),
64         session_(session),
65         channel_(channel),
66         name_widget_(NULL),
67         updating_name_widget_(false)
68 {
69         assert(channel_);
70 }
71
72 void Signal::set_name(QString name)
73 {
74         Trace::set_name(name);
75         updating_name_widget_ = true;
76         name_widget_->setEditText(name);
77         updating_name_widget_ = false;
78
79         // Store the channel name in sigrok::Channel so that it
80         // will end up in the .sr file upon save.
81         channel_->set_name(name.toUtf8().constData());
82 }
83
84 bool Signal::enabled() const
85 {
86         return channel_->enabled();
87 }
88
89 void Signal::enable(bool enable)
90 {
91         channel_->set_enabled(enable);
92
93         if (owner_)
94                 owner_->extents_changed(true, true);
95 }
96
97 shared_ptr<Channel> Signal::channel() const
98 {
99         return channel_;
100 }
101
102 void Signal::populate_popup_form(QWidget *parent, QFormLayout *form)
103 {
104         int index;
105
106         name_widget_ = new QComboBox(parent);
107         name_widget_->setEditable(true);
108
109         for(unsigned int i = 0; i < countof(ChannelNames); i++)
110                 name_widget_->insertItem(i, ChannelNames[i]);
111
112         index = name_widget_->findText(name_, Qt::MatchExactly);
113
114         if (index == -1) {
115                 name_widget_->insertItem(0, name_);
116                 name_widget_->setCurrentIndex(0);
117         } else {
118                 name_widget_->setCurrentIndex(index);
119         }
120
121         connect(name_widget_, SIGNAL(editTextChanged(const QString&)),
122                 this, SLOT(on_text_changed(const QString&)));
123
124         form->addRow(tr("Name"), name_widget_);
125
126         add_colour_option(parent, form);
127 }
128
129 QMenu* Signal::create_context_menu(QWidget *parent)
130 {
131         QMenu *const menu = Trace::create_context_menu(parent);
132
133         menu->addSeparator();
134
135         QAction *const disable = new QAction(tr("Disable"), this);
136         disable->setShortcuts(QKeySequence::Delete);
137         connect(disable, SIGNAL(triggered()), this, SLOT(on_disable()));
138         menu->addAction(disable);
139
140         return menu;
141 }
142
143 void Signal::delete_pressed()
144 {
145         on_disable();
146 }
147
148 void Signal::on_disable()
149 {
150         enable(false);
151 }
152
153 } // namespace view
154 } // namespace pv