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_sigs;
104 for (auto channel : device->channels()) {
105 const map<shared_ptr<Channel>, shared_ptr<SignalBase> >::
106 const_iterator iter = signal_map.find(channel);
107 if (iter != signal_map.end())
108 global_sigs.push_back((*iter).second);
112 populate_group(nullptr, global_sigs);
114 // Create the enable/disable all buttons
115 connect(&enable_all_channels_, SIGNAL(clicked()), this, SLOT(enable_all_channels()));
116 connect(&disable_all_channels_, SIGNAL(clicked()), this, SLOT(disable_all_channels()));
117 connect(&enable_all_logic_channels_, SIGNAL(clicked()), this, SLOT(enable_all_logic_channels()));
118 connect(&enable_all_analog_channels_, SIGNAL(clicked()), this, SLOT(enable_all_analog_channels()));
119 connect(&enable_all_named_channels_, SIGNAL(clicked()), this, SLOT(enable_all_named_channels()));
120 connect(&enable_all_changing_channels_, SIGNAL(clicked()),
121 this, SLOT(enable_all_changing_channels()));
123 buttons_bar_.setRowMinimumHeight(0, 2 * QFontMetrics(QApplication::font()).height());
124 buttons_bar_.addWidget(&enable_all_channels_, 1, 0);
125 buttons_bar_.addWidget(&disable_all_channels_, 1, 1);
126 buttons_bar_.addWidget(&enable_all_logic_channels_, 2, 0);
127 buttons_bar_.addWidget(&enable_all_analog_channels_, 2, 1);
128 buttons_bar_.addWidget(&enable_all_named_channels_, 2, 2);
129 buttons_bar_.addWidget(&enable_all_changing_channels_, 2, 3);
131 layout_.addRow(&buttons_bar_);
133 // Connect the check-box signal mapper
134 connect(&check_box_mapper_, SIGNAL(mapped(QWidget*)),
135 this, SLOT(on_channel_checked(QWidget*)));
138 void Channels::set_all_channels(bool set)
140 updating_channels_ = true;
142 for (auto entry : check_box_signal_map_) {
143 QCheckBox *cb = entry.first;
144 const shared_ptr<SignalBase> sig = entry.second;
147 sig->set_enabled(set);
151 updating_channels_ = false;
154 void Channels::set_all_channels_conditionally(
155 function<bool (const shared_ptr<data::SignalBase>)> cond_func)
157 updating_channels_ = true;
159 for (auto entry : check_box_signal_map_) {
160 QCheckBox *cb = entry.first;
161 const shared_ptr<SignalBase> sig = entry.second;
164 const bool state = cond_func(sig);
165 sig->set_enabled(state);
166 cb->setChecked(state);
169 updating_channels_ = false;
172 void Channels::populate_group(shared_ptr<ChannelGroup> group,
173 const vector< shared_ptr<SignalBase> > sigs)
175 using pv::binding::Device;
177 // Only bind options if this is a group. We don't do it for general
178 // options, because these properties are shown in the device config
180 shared_ptr<Device> binding;
182 binding = make_shared<Device>(group);
184 // Create a title if the group is going to have any content
185 if ((!sigs.empty() || (binding && !binding->properties().empty())) && group)
187 QLabel *label = new QLabel(
188 QString("<h3>%1</h3>").arg(group->name().c_str()));
189 layout_.addRow(label);
190 group_label_map_[group] = label;
193 // Create the channel group grid
194 QGridLayout *const channel_grid = create_channel_group_grid(sigs);
195 layout_.addRow(channel_grid);
197 // Create the channel group options
199 binding->add_properties_to_form(&layout_, true);
200 group_bindings_.push_back(binding);
204 QGridLayout* Channels::create_channel_group_grid(
205 const vector< shared_ptr<SignalBase> > sigs)
207 int row = 0, col = 0;
208 QGridLayout *const grid = new QGridLayout();
210 for (const shared_ptr<SignalBase>& sig : sigs) {
213 QCheckBox *const checkbox = new QCheckBox(sig->display_name());
214 check_box_mapper_.setMapping(checkbox, checkbox);
215 connect(checkbox, SIGNAL(toggled(bool)),
216 &check_box_mapper_, SLOT(map()));
218 grid->addWidget(checkbox, row, col);
220 check_box_signal_map_[checkbox] = sig;
229 void Channels::showEvent(QShowEvent *event)
231 pv::widgets::Popup::showEvent(event);
233 const shared_ptr<sigrok::Device> device = session_.device()->device();
236 // Update group labels
237 for (auto entry : device->channel_groups()) {
238 const shared_ptr<ChannelGroup> group = entry.second;
241 QLabel* label = group_label_map_.at(group);
242 label->setText(QString("<h3>%1</h3>").arg(group->name().c_str()));
243 } catch (out_of_range&) {
248 updating_channels_ = true;
250 for (auto entry : check_box_signal_map_) {
251 QCheckBox *cb = entry.first;
252 const shared_ptr<SignalBase> sig = entry.second;
255 // Update the check box
256 cb->setChecked(sig->enabled());
257 cb->setText(sig->display_name());
260 updating_channels_ = false;
263 void Channels::on_channel_checked(QWidget *widget)
265 if (updating_channels_)
268 QCheckBox *const check_box = (QCheckBox*)widget;
271 // Look up the signal of this check-box
272 map< QCheckBox*, shared_ptr<SignalBase> >::const_iterator iter =
273 check_box_signal_map_.find((QCheckBox*)check_box);
274 assert(iter != check_box_signal_map_.end());
276 const shared_ptr<SignalBase> s = (*iter).second;
279 s->set_enabled(check_box->isChecked());
282 void Channels::enable_all_channels()
284 set_all_channels(true);
287 void Channels::disable_all_channels()
289 set_all_channels(false);
292 void Channels::enable_all_logic_channels()
294 set_all_channels_conditionally([](const shared_ptr<SignalBase> signal)
295 { return signal->type() == SignalBase::LogicChannel; });
298 void Channels::enable_all_analog_channels()
300 set_all_channels_conditionally([](const shared_ptr<SignalBase> signal)
301 { return signal->type() == SignalBase::AnalogChannel; });
304 void Channels::enable_all_named_channels()
306 set_all_channels_conditionally([](const shared_ptr<SignalBase> signal)
307 { return signal->name() != signal->internal_name(); });
310 void Channels::enable_all_changing_channels()
312 set_all_channels_conditionally([](const shared_ptr<SignalBase> signal)
314 // Non-logic channels are considered to always have a signal
315 if (signal->type() != SignalBase::LogicChannel)
318 const shared_ptr<Logic> logic = signal->logic_data();
321 // If any of the segments has edges, enable this channel
322 for (shared_ptr<LogicSegment> segment : logic->logic_segments()) {
323 vector<LogicSegment::EdgePair> edges;
325 segment->get_subsampled_edges(edges,
326 0, segment->get_sample_count() - 1,
327 LogicSegment::MipMapScaleFactor,
330 if (edges.size() > 2)
334 // No edges detected in any of the segments
339 } // namespace popups