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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 <map> | |
21 | ||
22 | #include <QCheckBox> | |
23 | #include <QFormLayout> | |
24 | #include <QGridLayout> | |
25 | #include <QLabel> | |
26 | ||
27 | #include "channels.hpp" | |
28 | ||
29 | #include <pv/binding/device.hpp> | |
30 | #include <pv/data/signalbase.hpp> | |
31 | #include <pv/devices/device.hpp> | |
32 | #include <pv/session.hpp> | |
33 | #include <pv/view/signal.hpp> | |
34 | ||
35 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
36 | ||
37 | using namespace Qt; | |
38 | ||
39 | using std::map; | |
40 | using std::shared_ptr; | |
41 | using std::make_shared; | |
42 | using std::unordered_set; | |
43 | using std::vector; | |
44 | ||
45 | using pv::data::SignalBase; | |
46 | ||
47 | using sigrok::Channel; | |
48 | using sigrok::ChannelGroup; | |
49 | using sigrok::Device; | |
50 | ||
51 | namespace pv { | |
52 | namespace popups { | |
53 | ||
54 | Channels::Channels(Session &session, QWidget *parent) : | |
55 | Popup(parent), | |
56 | session_(session), | |
57 | updating_channels_(false), | |
58 | enable_all_channels_(tr("Enable All"), this), | |
59 | disable_all_channels_(tr("Disable All"), this), | |
60 | check_box_mapper_(this) | |
61 | { | |
62 | // Create the layout | |
63 | setLayout(&layout_); | |
64 | ||
65 | const shared_ptr<sigrok::Device> device = session_.device()->device(); | |
66 | assert(device); | |
67 | ||
68 | // Collect a set of signals | |
69 | map<shared_ptr<Channel>, shared_ptr<SignalBase> > signal_map; | |
70 | ||
71 | unordered_set< shared_ptr<SignalBase> > sigs; | |
72 | for (const shared_ptr<data::SignalBase> b : session_.signalbases()) | |
73 | sigs.insert(b); | |
74 | ||
75 | for (const shared_ptr<SignalBase> &sig : sigs) | |
76 | signal_map[sig->channel()] = sig; | |
77 | ||
78 | // Populate channel groups | |
79 | for (auto entry : device->channel_groups()) { | |
80 | shared_ptr<ChannelGroup> group = entry.second; | |
81 | // Make a set of signals, and removed this signals from the | |
82 | // signal map. | |
83 | vector< shared_ptr<SignalBase> > group_sigs; | |
84 | for (auto channel : group->channels()) { | |
85 | const auto iter = signal_map.find(channel); | |
86 | ||
87 | if (iter == signal_map.end()) | |
88 | break; | |
89 | ||
90 | group_sigs.push_back((*iter).second); | |
91 | signal_map.erase(iter); | |
92 | } | |
93 | ||
94 | populate_group(group, group_sigs); | |
95 | } | |
96 | ||
97 | // Make a vector of the remaining channels | |
98 | vector< shared_ptr<SignalBase> > global_sigs; | |
99 | for (auto channel : device->channels()) { | |
100 | const map<shared_ptr<Channel>, shared_ptr<SignalBase> >:: | |
101 | const_iterator iter = signal_map.find(channel); | |
102 | if (iter != signal_map.end()) | |
103 | global_sigs.push_back((*iter).second); | |
104 | } | |
105 | ||
106 | // Create a group | |
107 | populate_group(nullptr, global_sigs); | |
108 | ||
109 | // Create the enable/disable all buttons | |
110 | connect(&enable_all_channels_, SIGNAL(clicked()), | |
111 | this, SLOT(enable_all_channels())); | |
112 | connect(&disable_all_channels_, SIGNAL(clicked()), | |
113 | this, SLOT(disable_all_channels())); | |
114 | ||
115 | enable_all_channels_.setFlat(true); | |
116 | disable_all_channels_.setFlat(true); | |
117 | ||
118 | buttons_bar_.addWidget(&enable_all_channels_); | |
119 | buttons_bar_.addWidget(&disable_all_channels_); | |
120 | buttons_bar_.addStretch(1); | |
121 | ||
122 | layout_.addRow(&buttons_bar_); | |
123 | ||
124 | // Connect the check-box signal mapper | |
125 | connect(&check_box_mapper_, SIGNAL(mapped(QWidget*)), | |
126 | this, SLOT(on_channel_checked(QWidget*))); | |
127 | } | |
128 | ||
129 | void Channels::set_all_channels(bool set) | |
130 | { | |
131 | updating_channels_ = true; | |
132 | ||
133 | for (map<QCheckBox*, shared_ptr<SignalBase> >::const_iterator i = | |
134 | check_box_signal_map_.begin(); | |
135 | i != check_box_signal_map_.end(); i++) { | |
136 | const shared_ptr<SignalBase> sig = (*i).second; | |
137 | assert(sig); | |
138 | ||
139 | sig->set_enabled(set); | |
140 | (*i).first->setChecked(set); | |
141 | } | |
142 | ||
143 | updating_channels_ = false; | |
144 | } | |
145 | ||
146 | void Channels::populate_group(shared_ptr<ChannelGroup> group, | |
147 | const vector< shared_ptr<SignalBase> > sigs) | |
148 | { | |
149 | using pv::binding::Device; | |
150 | ||
151 | // Only bind options if this is a group. We don't do it for general | |
152 | // options, because these properties are shown in the device config | |
153 | // popup. | |
154 | shared_ptr<Device> binding; | |
155 | if (group) | |
156 | binding = make_shared<Device>(group); | |
157 | ||
158 | // Create a title if the group is going to have any content | |
159 | if ((!sigs.empty() || (binding && !binding->properties().empty())) && | |
160 | group) | |
161 | layout_.addRow(new QLabel( | |
162 | QString("<h3>%1</h3>").arg(group->name().c_str()))); | |
163 | ||
164 | // Create the channel group grid | |
165 | QGridLayout *const channel_grid = create_channel_group_grid(sigs); | |
166 | layout_.addRow(channel_grid); | |
167 | ||
168 | // Create the channel group options | |
169 | if (binding) { | |
170 | binding->add_properties_to_form(&layout_, true); | |
171 | group_bindings_.push_back(binding); | |
172 | } | |
173 | } | |
174 | ||
175 | QGridLayout* Channels::create_channel_group_grid( | |
176 | const vector< shared_ptr<SignalBase> > sigs) | |
177 | { | |
178 | int row = 0, col = 0; | |
179 | QGridLayout *const grid = new QGridLayout(); | |
180 | ||
181 | for (const shared_ptr<SignalBase>& sig : sigs) { | |
182 | assert(sig); | |
183 | ||
184 | QCheckBox *const checkbox = new QCheckBox(sig->name()); | |
185 | check_box_mapper_.setMapping(checkbox, checkbox); | |
186 | connect(checkbox, SIGNAL(toggled(bool)), | |
187 | &check_box_mapper_, SLOT(map())); | |
188 | ||
189 | grid->addWidget(checkbox, row, col); | |
190 | ||
191 | check_box_signal_map_[checkbox] = sig; | |
192 | ||
193 | if (++col >= 8) | |
194 | col = 0, row++; | |
195 | } | |
196 | ||
197 | return grid; | |
198 | } | |
199 | ||
200 | void Channels::showEvent(QShowEvent *event) | |
201 | { | |
202 | pv::widgets::Popup::showEvent(event); | |
203 | ||
204 | updating_channels_ = true; | |
205 | ||
206 | for (map<QCheckBox*, shared_ptr<SignalBase> >::const_iterator i = | |
207 | check_box_signal_map_.begin(); | |
208 | i != check_box_signal_map_.end(); i++) { | |
209 | const shared_ptr<SignalBase> sig = (*i).second; | |
210 | assert(sig); | |
211 | ||
212 | (*i).first->setChecked(sig->enabled()); | |
213 | } | |
214 | ||
215 | updating_channels_ = false; | |
216 | } | |
217 | ||
218 | void Channels::on_channel_checked(QWidget *widget) | |
219 | { | |
220 | if (updating_channels_) | |
221 | return; | |
222 | ||
223 | QCheckBox *const check_box = (QCheckBox*)widget; | |
224 | assert(check_box); | |
225 | ||
226 | // Look up the signal of this check-box | |
227 | map< QCheckBox*, shared_ptr<SignalBase> >::const_iterator iter = | |
228 | check_box_signal_map_.find((QCheckBox*)check_box); | |
229 | assert(iter != check_box_signal_map_.end()); | |
230 | ||
231 | const shared_ptr<SignalBase> s = (*iter).second; | |
232 | assert(s); | |
233 | ||
234 | s->set_enabled(check_box->isChecked()); | |
235 | } | |
236 | ||
237 | void Channels::enable_all_channels() | |
238 | { | |
239 | set_all_channels(true); | |
240 | } | |
241 | ||
242 | void Channels::disable_all_channels() | |
243 | { | |
244 | set_all_channels(false); | |
245 | } | |
246 | ||
247 | } // namespace popups | |
248 | } // namespace pv |