1/****************************************************************************
2**
3** Copyright (C) 2017 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtBluetooth module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#include "device.h"
52#include "service.h"
53
54#include <qbluetoothaddress.h>
55#include <qbluetoothdevicediscoveryagent.h>
56#include <qbluetoothlocaldevice.h>
57#include <QMenu>
58#include <QDebug>
59
60DeviceDiscoveryDialog::DeviceDiscoveryDialog(QWidget *parent)
61: QDialog(parent), localDevice(new QBluetoothLocalDevice),
62 ui(new Ui_DeviceDiscovery)
63{
64 ui->setupUi(this);
65
66 /*
67 * In case of multiple Bluetooth adapters it is possible to set adapter
68 * which will be used. Example code:
69 *
70 * QBluetoothAddress address("XX:XX:XX:XX:XX:XX");
71 * discoveryAgent = new QBluetoothDeviceDiscoveryAgent(address);
72 *
73 **/
74
75 discoveryAgent = new QBluetoothDeviceDiscoveryAgent();
76
77 connect(sender: ui->inquiryType, SIGNAL(toggled(bool)), receiver: this, SLOT(setGeneralUnlimited(bool)));
78 connect(sender: ui->scan, SIGNAL(clicked()), receiver: this, SLOT(startScan()));
79
80 connect(sender: discoveryAgent, SIGNAL(deviceDiscovered(QBluetoothDeviceInfo)),
81 receiver: this, SLOT(addDevice(QBluetoothDeviceInfo)));
82 connect(sender: discoveryAgent, SIGNAL(finished()), receiver: this, SLOT(scanFinished()));
83
84 connect(sender: ui->list, SIGNAL(itemActivated(QListWidgetItem*)),
85 receiver: this, SLOT(itemActivated(QListWidgetItem*)));
86
87 connect(sender: localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)),
88 receiver: this, SLOT(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
89
90 hostModeStateChanged(localDevice->hostMode());
91 // add context menu for devices to be able to pair device
92 ui->list->setContextMenuPolicy(Qt::CustomContextMenu);
93 connect(sender: ui->list, SIGNAL(customContextMenuRequested(QPoint)), receiver: this, SLOT(displayPairingMenu(QPoint)));
94 connect(sender: localDevice, SIGNAL(pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing))
95 , receiver: this, SLOT(pairingDone(QBluetoothAddress,QBluetoothLocalDevice::Pairing)));
96
97}
98
99DeviceDiscoveryDialog::~DeviceDiscoveryDialog()
100{
101 delete discoveryAgent;
102}
103
104void DeviceDiscoveryDialog::addDevice(const QBluetoothDeviceInfo &info)
105{
106 QString label = QString("%1 %2").arg(a: info.address().toString()).arg(a: info.name());
107 QList<QListWidgetItem *> items = ui->list->findItems(text: label, flags: Qt::MatchExactly);
108 if (items.empty()) {
109 QListWidgetItem *item = new QListWidgetItem(label);
110 QBluetoothLocalDevice::Pairing pairingStatus = localDevice->pairingStatus(address: info.address());
111 if (pairingStatus == QBluetoothLocalDevice::Paired || pairingStatus == QBluetoothLocalDevice::AuthorizedPaired )
112 item->setForeground(QColor(Qt::green));
113 else
114 item->setForeground(QColor(Qt::black));
115
116 ui->list->addItem(aitem: item);
117 }
118
119}
120
121void DeviceDiscoveryDialog::startScan()
122{
123 discoveryAgent->start();
124 ui->scan->setEnabled(false);
125 ui->inquiryType->setEnabled(false);
126}
127
128void DeviceDiscoveryDialog::scanFinished()
129{
130 ui->scan->setEnabled(true);
131 ui->inquiryType->setEnabled(true);
132}
133
134void DeviceDiscoveryDialog::setGeneralUnlimited(bool unlimited)
135{
136 if (unlimited)
137 discoveryAgent->setInquiryType(QBluetoothDeviceDiscoveryAgent::GeneralUnlimitedInquiry);
138 else
139 discoveryAgent->setInquiryType(QBluetoothDeviceDiscoveryAgent::LimitedInquiry);
140}
141
142void DeviceDiscoveryDialog::itemActivated(QListWidgetItem *item)
143{
144 QString text = item->text();
145
146 int index = text.indexOf(c: ' ');
147
148 if (index == -1)
149 return;
150
151 QBluetoothAddress address(text.left(n: index));
152 QString name(text.mid(position: index + 1));
153
154 ServiceDiscoveryDialog d(name, address);
155 d.exec();
156}
157
158void DeviceDiscoveryDialog::on_discoverable_clicked(bool clicked)
159{
160 if (clicked)
161 localDevice->setHostMode(QBluetoothLocalDevice::HostDiscoverable);
162 else
163 localDevice->setHostMode(QBluetoothLocalDevice::HostConnectable);
164}
165
166void DeviceDiscoveryDialog::on_power_clicked(bool clicked)
167{
168 if (clicked)
169 localDevice->powerOn();
170 else
171 localDevice->setHostMode(QBluetoothLocalDevice::HostPoweredOff);
172}
173
174void DeviceDiscoveryDialog::hostModeStateChanged(QBluetoothLocalDevice::HostMode mode)
175{
176 if (mode != QBluetoothLocalDevice::HostPoweredOff)
177 ui->power->setChecked(true);
178 else
179 ui->power->setChecked( false);
180
181 if (mode == QBluetoothLocalDevice::HostDiscoverable)
182 ui->discoverable->setChecked(true);
183 else
184 ui->discoverable->setChecked(false);
185
186 bool on = !(mode == QBluetoothLocalDevice::HostPoweredOff);
187
188
189 ui->scan->setEnabled(on);
190 ui->discoverable->setEnabled(on);
191}
192void DeviceDiscoveryDialog::displayPairingMenu(const QPoint &pos)
193{
194 if (ui->list->count() == 0)
195 return;
196 QMenu menu(this);
197 QAction *pairAction = menu.addAction(text: "Pair");
198 QAction *removePairAction = menu.addAction(text: "Remove Pairing");
199 QAction *chosenAction = menu.exec(pos: ui->list->viewport()->mapToGlobal(pos));
200 QListWidgetItem *currentItem = ui->list->currentItem();
201
202 QString text = currentItem->text();
203 int index = text.indexOf(c: ' ');
204 if (index == -1)
205 return;
206
207 QBluetoothAddress address (text.left(n: index));
208 if (chosenAction == pairAction) {
209 localDevice->requestPairing(address, pairing: QBluetoothLocalDevice::Paired);
210 } else if (chosenAction == removePairAction) {
211 localDevice->requestPairing(address, pairing: QBluetoothLocalDevice::Unpaired);
212 }
213}
214void DeviceDiscoveryDialog::pairingDone(const QBluetoothAddress &address, QBluetoothLocalDevice::Pairing pairing)
215{
216 QList<QListWidgetItem *> items = ui->list->findItems(text: address.toString(), flags: Qt::MatchContains);
217
218 if (pairing == QBluetoothLocalDevice::Paired || pairing == QBluetoothLocalDevice::AuthorizedPaired ) {
219 for (int var = 0; var < items.count(); ++var) {
220 QListWidgetItem *item = items.at(i: var);
221 item->setForeground(QColor(Qt::green));
222 }
223 } else {
224 for (int var = 0; var < items.count(); ++var) {
225 QListWidgetItem *item = items.at(i: var);
226 item->setForeground(QColor(Qt::red));
227 }
228 }
229}
230

source code of qtconnectivity/examples/bluetooth/btscanner/device.cpp