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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 <QApplication> | |
23 | #include <QCheckBox> | |
24 | #include <QFontMetrics> | |
25 | #include <QFormLayout> | |
26 | #include <QGridLayout> | |
27 | #include <QHBoxLayout> | |
28 | #include <QLabel> | |
29 | ||
30 | #include "channels.hpp" | |
31 | ||
32 | #include <pv/session.hpp> | |
33 | #include <pv/binding/device.hpp> | |
34 | #include <pv/data/logic.hpp> | |
35 | #include <pv/data/logicsegment.hpp> | |
36 | #include <pv/data/signalbase.hpp> | |
37 | #include <pv/devices/device.hpp> | |
38 | ||
39 | using std::make_shared; | |
40 | using std::map; | |
41 | using std::out_of_range; | |
42 | using std::shared_ptr; | |
43 | using std::unordered_set; | |
44 | using std::vector; | |
45 | ||
46 | using pv::data::SignalBase; | |
47 | using pv::data::Logic; | |
48 | using pv::data::LogicSegment; | |
49 | ||
50 | using sigrok::Channel; | |
51 | using sigrok::ChannelGroup; | |
52 | using sigrok::Device; | |
53 | ||
54 | namespace pv { | |
55 | namespace popups { | |
56 | ||
57 | Channels::Channels(Session &session, QWidget *parent) : | |
58 | Popup(parent), | |
59 | session_(session), | |
60 | updating_channels_(false), | |
61 | enable_all_channels_(tr("All"), this), | |
62 | disable_all_channels_(tr("All"), this), | |
63 | enable_all_logic_channels_(tr("Logic"), this), | |
64 | enable_all_analog_channels_(tr("Analog"), this), | |
65 | enable_all_named_channels_(tr("Named"), this), | |
66 | enable_all_changing_channels_(tr("Changing"), this), | |
67 | check_box_mapper_(this) | |
68 | { | |
69 | // Create the layout | |
70 | setLayout(&layout_); | |
71 | ||
72 | const shared_ptr<sigrok::Device> device = session_.device()->device(); | |
73 | assert(device); | |
74 | ||
75 | // Collect a set of signals | |
76 | map<shared_ptr<Channel>, shared_ptr<SignalBase> > signal_map; | |
77 | ||
78 | unordered_set< shared_ptr<SignalBase> > sigs; | |
79 | for (const shared_ptr<data::SignalBase> b : session_.signalbases()) | |
80 | sigs.insert(b); | |
81 | ||
82 | for (const shared_ptr<SignalBase> &sig : sigs) | |
83 | signal_map[sig->channel()] = sig; | |
84 | ||
85 | // Populate channel groups | |
86 | for (auto entry : device->channel_groups()) { | |
87 | const shared_ptr<ChannelGroup> group = entry.second; | |
88 | // Make a set of signals and remove these signals from the signal map | |
89 | vector< shared_ptr<SignalBase> > group_sigs; | |
90 | for (auto channel : group->channels()) { | |
91 | const auto iter = signal_map.find(channel); | |
92 | ||
93 | if (iter == signal_map.end()) | |
94 | break; | |
95 | ||
96 | group_sigs.push_back((*iter).second); | |
97 | signal_map.erase(iter); | |
98 | } | |
99 | ||
100 | populate_group(group, group_sigs); | |
101 | } | |
102 | ||
103 | // Make a vector of the remaining channels | |
104 | vector< shared_ptr<SignalBase> > global_analog_sigs, global_logic_sigs; | |
105 | for (auto channel : device->channels()) { | |
106 | const map<shared_ptr<Channel>, shared_ptr<SignalBase> >:: | |
107 | const_iterator iter = signal_map.find(channel); | |
108 | ||
109 | if (iter != signal_map.end()) { | |
110 | const shared_ptr<SignalBase> signal = (*iter).second; | |
111 | if (signal->type() == SignalBase::AnalogChannel) | |
112 | global_analog_sigs.push_back(signal); | |
113 | else | |
114 | global_logic_sigs.push_back(signal); | |
115 | } | |
116 | } | |
117 | ||
118 | // Create the groups for the ungrouped channels | |
119 | populate_group(nullptr, global_logic_sigs); | |
120 | populate_group(nullptr, global_analog_sigs); | |
121 | ||
122 | // Create the enable/disable all buttons | |
123 | connect(&enable_all_channels_, SIGNAL(clicked()), this, SLOT(enable_all_channels())); | |
124 | connect(&disable_all_channels_, SIGNAL(clicked()), this, SLOT(disable_all_channels())); | |
125 | connect(&enable_all_logic_channels_, SIGNAL(clicked()), this, SLOT(enable_all_logic_channels())); | |
126 | connect(&enable_all_analog_channels_, SIGNAL(clicked()), this, SLOT(enable_all_analog_channels())); | |
127 | connect(&enable_all_named_channels_, SIGNAL(clicked()), this, SLOT(enable_all_named_channels())); | |
128 | connect(&enable_all_changing_channels_, SIGNAL(clicked()), | |
129 | this, SLOT(enable_all_changing_channels())); | |
130 | ||
131 | QLabel *label1 = new QLabel(tr("Disable: ")); | |
132 | buttons_bar_.addWidget(label1); | |
133 | buttons_bar_.addWidget(&disable_all_channels_); | |
134 | QLabel *label2 = new QLabel(tr("Enable: ")); | |
135 | buttons_bar_.addWidget(label2); | |
136 | buttons_bar_.addWidget(&enable_all_channels_); | |
137 | buttons_bar_.addWidget(&enable_all_logic_channels_); | |
138 | buttons_bar_.addWidget(&enable_all_analog_channels_); | |
139 | buttons_bar_.addWidget(&enable_all_named_channels_); | |
140 | buttons_bar_.addWidget(&enable_all_changing_channels_); | |
141 | buttons_bar_.addStretch(); | |
142 | ||
143 | layout_.addRow(&buttons_bar_); | |
144 | ||
145 | // Connect the check-box signal mapper | |
146 | connect(&check_box_mapper_, SIGNAL(mapped(QWidget*)), | |
147 | this, SLOT(on_channel_checked(QWidget*))); | |
148 | } | |
149 | ||
150 | void Channels::set_all_channels(bool set) | |
151 | { | |
152 | updating_channels_ = true; | |
153 | ||
154 | for (auto entry : check_box_signal_map_) { | |
155 | QCheckBox *cb = entry.first; | |
156 | const shared_ptr<SignalBase> sig = entry.second; | |
157 | assert(sig); | |
158 | ||
159 | sig->set_enabled(set); | |
160 | cb->setChecked(set); | |
161 | } | |
162 | ||
163 | updating_channels_ = false; | |
164 | } | |
165 | ||
166 | void Channels::enable_channels_conditionally( | |
167 | function<bool (const shared_ptr<data::SignalBase>)> cond_func) | |
168 | { | |
169 | updating_channels_ = true; | |
170 | ||
171 | for (auto entry : check_box_signal_map_) { | |
172 | QCheckBox *cb = entry.first; | |
173 | const shared_ptr<SignalBase> sig = entry.second; | |
174 | assert(sig); | |
175 | ||
176 | const bool state = cond_func(sig); | |
177 | if (state) { | |
178 | sig->set_enabled(state); | |
179 | cb->setChecked(state); | |
180 | } | |
181 | } | |
182 | ||
183 | updating_channels_ = false; | |
184 | } | |
185 | ||
186 | void Channels::populate_group(shared_ptr<ChannelGroup> group, | |
187 | const vector< shared_ptr<SignalBase> > sigs) | |
188 | { | |
189 | using pv::binding::Device; | |
190 | ||
191 | // Only bind options if this is a group. We don't do it for general | |
192 | // options, because these properties are shown in the device config | |
193 | // popup. | |
194 | shared_ptr<Device> binding; | |
195 | if (group) | |
196 | binding = make_shared<Device>(group); | |
197 | ||
198 | // Create a title if the group is going to have any content | |
199 | if ((!sigs.empty() || (binding && !binding->properties().empty())) && group) | |
200 | { | |
201 | QLabel *label = new QLabel( | |
202 | QString("<h3>%1</h3>").arg(group->name().c_str())); | |
203 | layout_.addRow(label); | |
204 | group_label_map_[group] = label; | |
205 | } | |
206 | ||
207 | // Create the channel group grid | |
208 | QGridLayout *const channel_grid = create_channel_group_grid(sigs); | |
209 | layout_.addRow(channel_grid); | |
210 | ||
211 | // Create the channel group options | |
212 | if (binding) { | |
213 | binding->add_properties_to_form(&layout_, true); | |
214 | group_bindings_.push_back(binding); | |
215 | } | |
216 | } | |
217 | ||
218 | QGridLayout* Channels::create_channel_group_grid( | |
219 | const vector< shared_ptr<SignalBase> > sigs) | |
220 | { | |
221 | int row = 0, col = 0; | |
222 | QGridLayout *const grid = new QGridLayout(); | |
223 | ||
224 | for (const shared_ptr<SignalBase>& sig : sigs) { | |
225 | assert(sig); | |
226 | ||
227 | QCheckBox *const checkbox = new QCheckBox(sig->display_name()); | |
228 | check_box_mapper_.setMapping(checkbox, checkbox); | |
229 | connect(checkbox, SIGNAL(toggled(bool)), | |
230 | &check_box_mapper_, SLOT(map())); | |
231 | ||
232 | grid->addWidget(checkbox, row, col); | |
233 | ||
234 | check_box_signal_map_[checkbox] = sig; | |
235 | ||
236 | if (++col >= 8) | |
237 | col = 0, row++; | |
238 | } | |
239 | ||
240 | return grid; | |
241 | } | |
242 | ||
243 | void Channels::showEvent(QShowEvent *event) | |
244 | { | |
245 | pv::widgets::Popup::showEvent(event); | |
246 | ||
247 | const shared_ptr<sigrok::Device> device = session_.device()->device(); | |
248 | assert(device); | |
249 | ||
250 | // Update group labels | |
251 | for (auto entry : device->channel_groups()) { | |
252 | const shared_ptr<ChannelGroup> group = entry.second; | |
253 | ||
254 | try { | |
255 | QLabel* label = group_label_map_.at(group); | |
256 | label->setText(QString("<h3>%1</h3>").arg(group->name().c_str())); | |
257 | } catch (out_of_range&) { | |
258 | // Do nothing | |
259 | } | |
260 | } | |
261 | ||
262 | updating_channels_ = true; | |
263 | ||
264 | for (auto entry : check_box_signal_map_) { | |
265 | QCheckBox *cb = entry.first; | |
266 | const shared_ptr<SignalBase> sig = entry.second; | |
267 | assert(sig); | |
268 | ||
269 | // Update the check box | |
270 | cb->setChecked(sig->enabled()); | |
271 | cb->setText(sig->display_name()); | |
272 | } | |
273 | ||
274 | updating_channels_ = false; | |
275 | } | |
276 | ||
277 | void Channels::on_channel_checked(QWidget *widget) | |
278 | { | |
279 | if (updating_channels_) | |
280 | return; | |
281 | ||
282 | QCheckBox *const check_box = (QCheckBox*)widget; | |
283 | assert(check_box); | |
284 | ||
285 | // Look up the signal of this check-box | |
286 | map< QCheckBox*, shared_ptr<SignalBase> >::const_iterator iter = | |
287 | check_box_signal_map_.find((QCheckBox*)check_box); | |
288 | assert(iter != check_box_signal_map_.end()); | |
289 | ||
290 | const shared_ptr<SignalBase> s = (*iter).second; | |
291 | assert(s); | |
292 | ||
293 | s->set_enabled(check_box->isChecked()); | |
294 | } | |
295 | ||
296 | void Channels::enable_all_channels() | |
297 | { | |
298 | set_all_channels(true); | |
299 | } | |
300 | ||
301 | void Channels::disable_all_channels() | |
302 | { | |
303 | set_all_channels(false); | |
304 | } | |
305 | ||
306 | void Channels::enable_all_logic_channels() | |
307 | { | |
308 | enable_channels_conditionally([](const shared_ptr<SignalBase> signal) | |
309 | { return signal->type() == SignalBase::LogicChannel; }); | |
310 | } | |
311 | ||
312 | void Channels::enable_all_analog_channels() | |
313 | { | |
314 | enable_channels_conditionally([](const shared_ptr<SignalBase> signal) | |
315 | { return signal->type() == SignalBase::AnalogChannel; }); | |
316 | } | |
317 | ||
318 | void Channels::enable_all_named_channels() | |
319 | { | |
320 | enable_channels_conditionally([](const shared_ptr<SignalBase> signal) | |
321 | { return signal->name() != signal->internal_name(); }); | |
322 | } | |
323 | ||
324 | void Channels::enable_all_changing_channels() | |
325 | { | |
326 | enable_channels_conditionally([](const shared_ptr<SignalBase> signal) | |
327 | { | |
328 | // Never enable channels without sample data | |
329 | if (!signal->has_samples()) | |
330 | return false; | |
331 | ||
332 | // Non-logic channels are considered to always have a signal | |
333 | if (signal->type() != SignalBase::LogicChannel) | |
334 | return true; | |
335 | ||
336 | const shared_ptr<Logic> logic = signal->logic_data(); | |
337 | assert(logic); | |
338 | ||
339 | // If any of the segments has edges, enable this channel | |
340 | for (shared_ptr<LogicSegment> segment : logic->logic_segments()) { | |
341 | vector<LogicSegment::EdgePair> edges; | |
342 | ||
343 | segment->get_subsampled_edges(edges, | |
344 | 0, segment->get_sample_count() - 1, | |
345 | LogicSegment::MipMapScaleFactor, | |
346 | signal->index()); | |
347 | ||
348 | if (edges.size() > 2) | |
349 | return true; | |
350 | } | |
351 | ||
352 | // No edges detected in any of the segments | |
353 | return false; | |
354 | }); | |
355 | } | |
356 | ||
357 | } // namespace popups | |
358 | } // namespace pv |