MainBar: Prevent context menu from appearing
[pulseview.git] / pv / dialogs / connect.cpp
1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2012-2013 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 <cassert>
22
23 #include <libsigrok/libsigrok.hpp>
24
25 #include "connect.hpp"
26
27 #include "pv/devicemanager.hpp"
28
29 using std::list;
30 using std::map;
31 using std::shared_ptr;
32 using std::string;
33
34 using Glib::ustring;
35 using Glib::Variant;
36 using Glib::VariantBase;
37
38 using sigrok::ConfigKey;
39 using sigrok::Driver;
40 using sigrok::Error;
41 using sigrok::HardwareDevice;
42
43 namespace pv {
44 namespace dialogs {
45
46 Connect::Connect(QWidget *parent, pv::DeviceManager &device_manager) :
47         QDialog(parent),
48         device_manager_(device_manager),
49         layout_(this),
50         form_(this),
51         form_layout_(&form_),
52         drivers_(&form_),
53         serial_devices_(&form_),
54         scan_button_(tr("&Scan for Devices"), this),
55         device_list_(this),
56         button_box_(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
57                 Qt::Horizontal, this)
58 {
59         setWindowTitle(tr("Connect to Device"));
60
61         connect(&button_box_, SIGNAL(accepted()), this, SLOT(accept()));
62         connect(&button_box_, SIGNAL(rejected()), this, SLOT(reject()));
63
64         populate_drivers();
65         connect(&drivers_, SIGNAL(activated(int)),
66                 this, SLOT(device_selected(int)));
67
68         form_.setLayout(&form_layout_);
69         form_layout_.addRow(tr("&Driver"), &drivers_);
70
71         form_layout_.addRow(tr("Serial &Port"), &serial_devices_);
72         serial_devices_.setEditable(true);
73
74         unset_connection();
75
76         connect(&scan_button_, SIGNAL(pressed()),
77                 this, SLOT(scan_pressed()));
78
79         setLayout(&layout_);
80         layout_.addWidget(&form_);
81         layout_.addWidget(&scan_button_);
82         layout_.addWidget(&device_list_);
83         layout_.addWidget(&button_box_);
84 }
85
86 shared_ptr<HardwareDevice> Connect::get_selected_device() const
87 {
88         const QListWidgetItem *const item = device_list_.currentItem();
89         if (!item)
90                 return shared_ptr<HardwareDevice>();
91
92         return item->data(Qt::UserRole).value<shared_ptr<HardwareDevice>>();
93 }
94
95 void Connect::populate_drivers()
96 {
97         for (auto entry : device_manager_.context()->drivers()) {
98                 auto name = entry.first;
99                 auto driver = entry.second;
100                 /**
101                  * We currently only support devices that can deliver
102                  * samples at a fixed samplerate i.e. oscilloscopes and
103                  * logic analysers.
104                  * @todo Add support for non-monotonic devices i.e. DMMs
105                  * and sensors.
106                  */
107                 bool supported_device = driver->config_check(
108                         ConfigKey::LOGIC_ANALYZER, ConfigKey::DEVICE_OPTIONS) |
109                                         driver->config_check(
110                         ConfigKey::OSCILLOSCOPE, ConfigKey::DEVICE_OPTIONS);
111
112                 if (supported_device)
113                         drivers_.addItem(QString("%1 (%2)").arg(
114                                 driver->long_name().c_str()).arg(name.c_str()),
115                                 qVariantFromValue(driver));
116         }
117 }
118
119 void Connect::populate_serials(shared_ptr<Driver> driver)
120 {
121         serial_devices_.clear();
122         for (auto serial : device_manager_.context()->serials(driver))
123                 serial_devices_.addItem(QString("%1 (%2)").arg(
124                         serial.first.c_str()).arg(serial.second.c_str()),
125                         QString::fromStdString(serial.first));
126 }
127
128 void Connect::unset_connection()
129 {
130         device_list_.clear();
131         serial_devices_.hide();
132         form_layout_.labelForField(&serial_devices_)->hide();
133         button_box_.button(QDialogButtonBox::Ok)->setDisabled(true);
134 }
135
136 void Connect::set_serial_connection(shared_ptr<Driver> driver)
137 {
138         populate_serials(driver);
139         serial_devices_.show();
140         form_layout_.labelForField(&serial_devices_)->show();
141 }
142
143 void Connect::scan_pressed()
144 {
145         device_list_.clear();
146
147         const int index = drivers_.currentIndex();
148         if (index == -1)
149                 return;
150
151         shared_ptr<Driver> driver =
152                 drivers_.itemData(index).value<shared_ptr<Driver>>();
153
154         assert(driver);
155
156         map<const ConfigKey *, VariantBase> drvopts;
157
158         if (serial_devices_.isVisible()) {
159                 QString serial;
160                 const int index = serial_devices_.currentIndex();
161                 if (index >= 0 && index < serial_devices_.count() &&
162                     serial_devices_.currentText() == serial_devices_.itemText(index))
163                         serial = serial_devices_.itemData(index).value<QString>();
164                 else
165                         serial = serial_devices_.currentText();
166                 drvopts[ConfigKey::CONN] = Variant<ustring>::create(
167                         serial.toUtf8().constData());
168         }
169
170         list< shared_ptr<HardwareDevice> > devices =
171                 device_manager_.driver_scan(driver, drvopts);
172
173         for (shared_ptr<HardwareDevice> device : devices)
174         {
175                 assert(device);
176
177                 QString text = QString::fromStdString(
178                         device_manager_.get_display_name(device));
179                 text += QString(" with %1 channels").arg(device->channels().size());
180
181                 QListWidgetItem *const item = new QListWidgetItem(text,
182                         &device_list_);
183                 item->setData(Qt::UserRole, qVariantFromValue(device));
184                 device_list_.addItem(item);
185         }
186
187         device_list_.setCurrentRow(0);
188         button_box_.button(QDialogButtonBox::Ok)->setDisabled(device_list_.count() == 0);
189 }
190
191 void Connect::device_selected(int index)
192 {
193         shared_ptr<Driver> driver =
194                 drivers_.itemData(index).value<shared_ptr<Driver>>();
195
196         unset_connection();
197
198         if (driver->config_check(ConfigKey::SERIALCOMM, ConfigKey::SCAN_OPTIONS))
199                 set_serial_connection(driver);
200 }
201
202 } // namespace dialogs
203 } // namespace pv