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1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2015 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 | ||
1982c650 SA |
23 | #include <QTimer> |
24 | #include <QToolTip> | |
25 | ||
fe3a1c21 | 26 | #include <libsigrokcxx/libsigrokcxx.hpp> |
079d39ea JH |
27 | |
28 | #include <pv/devicemanager.hpp> | |
da30ecb7 | 29 | #include <pv/devices/device.hpp> |
079d39ea JH |
30 | |
31 | #include "devicetoolbutton.hpp" | |
32 | ||
33 | using std::list; | |
34 | using std::shared_ptr; | |
35 | using std::string; | |
36 | using std::weak_ptr; | |
37 | using std::vector; | |
38 | ||
da30ecb7 | 39 | using pv::devices::Device; |
079d39ea JH |
40 | |
41 | namespace pv { | |
42 | namespace widgets { | |
43 | ||
44 | DeviceToolButton::DeviceToolButton(QWidget *parent, | |
45 | DeviceManager &device_manager, | |
46 | QAction *connect_action) : | |
47 | QToolButton(parent), | |
48 | device_manager_(device_manager), | |
49 | connect_action_(connect_action), | |
50 | menu_(this), | |
51 | mapper_(this), | |
52 | devices_() | |
53 | { | |
54 | setPopupMode(QToolButton::MenuButtonPopup); | |
55 | setMenu(&menu_); | |
56 | setDefaultAction(connect_action_); | |
57 | setMinimumWidth(QFontMetrics(font()).averageCharWidth() * 24); | |
58 | ||
59 | connect(&mapper_, SIGNAL(mapped(QObject*)), | |
60 | this, SLOT(on_action(QObject*))); | |
1982c650 SA |
61 | |
62 | connect(&menu_, SIGNAL(hovered(QAction*)), | |
63 | this, SLOT(on_menu_hovered(QAction*))); | |
079d39ea JH |
64 | } |
65 | ||
66 | shared_ptr<Device> DeviceToolButton::selected_device() | |
67 | { | |
68 | return selected_device_; | |
69 | } | |
70 | ||
71 | void DeviceToolButton::set_device_list( | |
72 | const list< shared_ptr<Device> > &devices, shared_ptr<Device> selected) | |
73 | { | |
74 | selected_device_ = selected; | |
2a53532c | 75 | setText(selected ? QString::fromStdString( |
7e0c99bf | 76 | selected->display_name(device_manager_)) : tr("<No Device>")); |
079d39ea JH |
77 | devices_ = vector< weak_ptr<Device> >(devices.begin(), devices.end()); |
78 | update_device_list(); | |
79 | } | |
80 | ||
7e0c99bf SA |
81 | void DeviceToolButton::reset() |
82 | { | |
83 | setText(tr("<No Device>")); | |
84 | selected_device_.reset(); | |
85 | update_device_list(); | |
86 | } | |
87 | ||
079d39ea JH |
88 | void DeviceToolButton::update_device_list() |
89 | { | |
90 | menu_.clear(); | |
91 | menu_.addAction(connect_action_); | |
92 | menu_.setDefaultAction(connect_action_); | |
93 | menu_.addSeparator(); | |
94 | ||
95 | for (weak_ptr<Device> dev_weak_ptr : devices_) { | |
2a53532c | 96 | shared_ptr<Device> dev(dev_weak_ptr.lock()); |
079d39ea JH |
97 | if (!dev) |
98 | continue; | |
99 | ||
100 | QAction *const a = new QAction(QString::fromStdString( | |
3084ed4b | 101 | dev->display_name(device_manager_)), this); |
079d39ea JH |
102 | a->setCheckable(true); |
103 | a->setChecked(selected_device_ == dev); | |
104 | a->setData(qVariantFromValue((void*)dev.get())); | |
3084ed4b | 105 | a->setToolTip(QString::fromStdString(dev->full_name())); |
079d39ea JH |
106 | mapper_.setMapping(a, a); |
107 | ||
108 | connect(a, SIGNAL(triggered()), &mapper_, SLOT(map())); | |
109 | ||
110 | menu_.addAction(a); | |
111 | } | |
112 | } | |
113 | ||
114 | void DeviceToolButton::on_action(QObject *action) | |
115 | { | |
116 | assert(action); | |
117 | ||
7e0c99bf SA |
118 | selected_device_.reset(); |
119 | ||
079d39ea JH |
120 | Device *const dev = (Device*)((QAction*)action)->data().value<void*>(); |
121 | for (weak_ptr<Device> dev_weak_ptr : devices_) { | |
122 | shared_ptr<Device> dev_ptr(dev_weak_ptr); | |
123 | if (dev_ptr.get() == dev) { | |
124 | selected_device_ = shared_ptr<Device>(dev_ptr); | |
125 | break; | |
126 | } | |
127 | } | |
128 | ||
129 | update_device_list(); | |
130 | setText(QString::fromStdString( | |
3084ed4b | 131 | selected_device_->display_name(device_manager_))); |
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132 | |
133 | device_selected(); | |
134 | } | |
135 | ||
1982c650 SA |
136 | void DeviceToolButton::on_menu_hovered(QAction *action) |
137 | { | |
138 | assert(action); | |
139 | ||
140 | // Only show the tooltip for device entries (they hold | |
141 | // device pointers in their data field) | |
142 | if (!action->data().isValid()) | |
143 | return; | |
144 | ||
145 | device_tooltip_ = action->toolTip(); | |
146 | ||
147 | if (QToolTip::isVisible()) | |
148 | on_menu_hover_timeout(); | |
149 | else | |
150 | QTimer::singleShot(1000, this, SLOT(on_menu_hover_timeout())); | |
151 | } | |
152 | ||
153 | void DeviceToolButton::on_menu_hover_timeout() | |
154 | { | |
155 | if (device_tooltip_.isEmpty()) | |
156 | return; | |
157 | ||
158 | QToolTip::showText(QCursor::pos(), device_tooltip_); | |
159 | } | |
160 | ||
079d39ea JH |
161 | } // widgets |
162 | } // pv |