2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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/>.
22 #include <QApplication>
24 #include <QFontMetrics>
25 #include <QFormLayout>
26 #include <QGridLayout>
29 #include "channels.hpp"
31 #include <pv/session.hpp>
32 #include <pv/binding/device.hpp>
33 #include <pv/data/logic.hpp>
34 #include <pv/data/logicsegment.hpp>
35 #include <pv/data/signalbase.hpp>
36 #include <pv/devices/device.hpp>
38 using std::make_shared;
40 using std::out_of_range;
41 using std::shared_ptr;
42 using std::unordered_set;
45 using pv::data::SignalBase;
46 using pv::data::Logic;
47 using pv::data::LogicSegment;
49 using sigrok::Channel;
50 using sigrok::ChannelGroup;
56 Channels::Channels(Session &session, QWidget *parent) :
59 updating_channels_(false),
60 enable_all_channels_(tr("Enable All"), this),
61 disable_all_channels_(tr("Disable All"), this),
62 enable_all_logic_channels_(tr("Enable only logic"), this),
63 enable_all_analog_channels_(tr("Enable only analog"), this),
64 enable_all_named_channels_(tr("Enable only named"), this),
65 enable_all_changing_channels_(tr("Enable only changing"), this),
66 check_box_mapper_(this)
71 const shared_ptr<sigrok::Device> device = session_.device()->device();
74 // Collect a set of signals
75 map<shared_ptr<Channel>, shared_ptr<SignalBase> > signal_map;
77 unordered_set< shared_ptr<SignalBase> > sigs;
78 for (const shared_ptr<data::SignalBase> b : session_.signalbases())
81 for (const shared_ptr<SignalBase> &sig : sigs)
82 signal_map[sig->channel()] = sig;
84 // Populate channel groups
85 for (auto entry : device->channel_groups()) {
86 const shared_ptr<ChannelGroup> group = entry.second;
87 // Make a set of signals and remove these signals from the signal map
88 vector< shared_ptr<SignalBase> > group_sigs;
89 for (auto channel : group->channels()) {
90 const auto iter = signal_map.find(channel);
92 if (iter == signal_map.end())
95 group_sigs.push_back((*iter).second);
96 signal_map.erase(iter);
99 populate_group(group, group_sigs);
102 // Make a vector of the remaining channels
103 vector< shared_ptr<SignalBase> > global_analog_sigs, global_logic_sigs;
104 for (auto channel : device->channels()) {
105 const map<shared_ptr<Channel>, shared_ptr<SignalBase> >::
106 const_iterator iter = signal_map.find(channel);
108 if (iter != signal_map.end()) {
109 const shared_ptr<SignalBase> signal = (*iter).second;
110 if (signal->type() == SignalBase::AnalogChannel)
111 global_analog_sigs.push_back(signal);
113 global_logic_sigs.push_back(signal);
117 // Create the groups for the ungrouped channels
118 populate_group(nullptr, global_logic_sigs);
119 populate_group(nullptr, global_analog_sigs);
121 // Create the enable/disable all buttons
122 connect(&enable_all_channels_, SIGNAL(clicked()), this, SLOT(enable_all_channels()));
123 connect(&disable_all_channels_, SIGNAL(clicked()), this, SLOT(disable_all_channels()));
124 connect(&enable_all_logic_channels_, SIGNAL(clicked()), this, SLOT(enable_all_logic_channels()));
125 connect(&enable_all_analog_channels_, SIGNAL(clicked()), this, SLOT(enable_all_analog_channels()));
126 connect(&enable_all_named_channels_, SIGNAL(clicked()), this, SLOT(enable_all_named_channels()));
127 connect(&enable_all_changing_channels_, SIGNAL(clicked()),
128 this, SLOT(enable_all_changing_channels()));
130 buttons_bar_.setRowMinimumHeight(0, 2 * QFontMetrics(QApplication::font()).height());
131 buttons_bar_.addWidget(&enable_all_channels_, 1, 0);
132 buttons_bar_.addWidget(&disable_all_channels_, 1, 1);
133 buttons_bar_.addWidget(&enable_all_logic_channels_, 2, 0);
134 buttons_bar_.addWidget(&enable_all_analog_channels_, 2, 1);
135 buttons_bar_.addWidget(&enable_all_named_channels_, 2, 2);
136 buttons_bar_.addWidget(&enable_all_changing_channels_, 2, 3);
138 layout_.addRow(&buttons_bar_);
140 // Connect the check-box signal mapper
141 connect(&check_box_mapper_, SIGNAL(mapped(QWidget*)),
142 this, SLOT(on_channel_checked(QWidget*)));
145 void Channels::set_all_channels(bool set)
147 updating_channels_ = true;
149 for (auto entry : check_box_signal_map_) {
150 QCheckBox *cb = entry.first;
151 const shared_ptr<SignalBase> sig = entry.second;
154 sig->set_enabled(set);
158 updating_channels_ = false;
161 void Channels::set_all_channels_conditionally(
162 function<bool (const shared_ptr<data::SignalBase>)> cond_func)
164 updating_channels_ = true;
166 for (auto entry : check_box_signal_map_) {
167 QCheckBox *cb = entry.first;
168 const shared_ptr<SignalBase> sig = entry.second;
171 const bool state = cond_func(sig);
172 sig->set_enabled(state);
173 cb->setChecked(state);
176 updating_channels_ = false;
179 void Channels::populate_group(shared_ptr<ChannelGroup> group,
180 const vector< shared_ptr<SignalBase> > sigs)
182 using pv::binding::Device;
184 // Only bind options if this is a group. We don't do it for general
185 // options, because these properties are shown in the device config
187 shared_ptr<Device> binding;
189 binding = make_shared<Device>(group);
191 // Create a title if the group is going to have any content
192 if ((!sigs.empty() || (binding && !binding->properties().empty())) && group)
194 QLabel *label = new QLabel(
195 QString("<h3>%1</h3>").arg(group->name().c_str()));
196 layout_.addRow(label);
197 group_label_map_[group] = label;
200 // Create the channel group grid
201 QGridLayout *const channel_grid = create_channel_group_grid(sigs);
202 layout_.addRow(channel_grid);
204 // Create the channel group options
206 binding->add_properties_to_form(&layout_, true);
207 group_bindings_.push_back(binding);
211 QGridLayout* Channels::create_channel_group_grid(
212 const vector< shared_ptr<SignalBase> > sigs)
214 int row = 0, col = 0;
215 QGridLayout *const grid = new QGridLayout();
217 for (const shared_ptr<SignalBase>& sig : sigs) {
220 QCheckBox *const checkbox = new QCheckBox(sig->display_name());
221 check_box_mapper_.setMapping(checkbox, checkbox);
222 connect(checkbox, SIGNAL(toggled(bool)),
223 &check_box_mapper_, SLOT(map()));
225 grid->addWidget(checkbox, row, col);
227 check_box_signal_map_[checkbox] = sig;
236 void Channels::showEvent(QShowEvent *event)
238 pv::widgets::Popup::showEvent(event);
240 const shared_ptr<sigrok::Device> device = session_.device()->device();
243 // Update group labels
244 for (auto entry : device->channel_groups()) {
245 const shared_ptr<ChannelGroup> group = entry.second;
248 QLabel* label = group_label_map_.at(group);
249 label->setText(QString("<h3>%1</h3>").arg(group->name().c_str()));
250 } catch (out_of_range&) {
255 updating_channels_ = true;
257 for (auto entry : check_box_signal_map_) {
258 QCheckBox *cb = entry.first;
259 const shared_ptr<SignalBase> sig = entry.second;
262 // Update the check box
263 cb->setChecked(sig->enabled());
264 cb->setText(sig->display_name());
267 updating_channels_ = false;
270 void Channels::on_channel_checked(QWidget *widget)
272 if (updating_channels_)
275 QCheckBox *const check_box = (QCheckBox*)widget;
278 // Look up the signal of this check-box
279 map< QCheckBox*, shared_ptr<SignalBase> >::const_iterator iter =
280 check_box_signal_map_.find((QCheckBox*)check_box);
281 assert(iter != check_box_signal_map_.end());
283 const shared_ptr<SignalBase> s = (*iter).second;
286 s->set_enabled(check_box->isChecked());
289 void Channels::enable_all_channels()
291 set_all_channels(true);
294 void Channels::disable_all_channels()
296 set_all_channels(false);
299 void Channels::enable_all_logic_channels()
301 set_all_channels_conditionally([](const shared_ptr<SignalBase> signal)
302 { return signal->type() == SignalBase::LogicChannel; });
305 void Channels::enable_all_analog_channels()
307 set_all_channels_conditionally([](const shared_ptr<SignalBase> signal)
308 { return signal->type() == SignalBase::AnalogChannel; });
311 void Channels::enable_all_named_channels()
313 set_all_channels_conditionally([](const shared_ptr<SignalBase> signal)
314 { return signal->name() != signal->internal_name(); });
317 void Channels::enable_all_changing_channels()
319 set_all_channels_conditionally([](const shared_ptr<SignalBase> signal)
321 // Never enable channels without sample data
322 if (!signal->has_samples())
325 // Non-logic channels are considered to always have a signal
326 if (signal->type() != SignalBase::LogicChannel)
329 const shared_ptr<Logic> logic = signal->logic_data();
332 // If any of the segments has edges, enable this channel
333 for (shared_ptr<LogicSegment> segment : logic->logic_segments()) {
334 vector<LogicSegment::EdgePair> edges;
336 segment->get_subsampled_edges(edges,
337 0, segment->get_sample_count() - 1,
338 LogicSegment::MipMapScaleFactor,
341 if (edges.size() > 2)
345 // No edges detected in any of the segments
350 } // namespace popups