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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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <map> | |
22 | ||
23 | #include <QCheckBox> | |
24 | #include <QFormLayout> | |
25 | #include <QGridLayout> | |
26 | #include <QLabel> | |
27 | ||
28 | #include "channels.hpp" | |
29 | ||
30 | #include <pv/binding/device.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 boost::shared_lock; | |
40 | using boost::shared_mutex; | |
41 | using std::lock_guard; | |
42 | using std::map; | |
43 | using std::mutex; | |
44 | using std::set; | |
45 | using std::shared_ptr; | |
46 | using std::unordered_set; | |
47 | using std::vector; | |
48 | ||
49 | using sigrok::Channel; | |
50 | using sigrok::ChannelGroup; | |
51 | using sigrok::Device; | |
52 | ||
53 | using pv::view::Signal; | |
54 | ||
55 | namespace pv { | |
56 | namespace popups { | |
57 | ||
58 | Channels::Channels(Session &session, QWidget *parent) : | |
59 | Popup(parent), | |
60 | session_(session), | |
61 | updating_channels_(false), | |
62 | enable_all_channels_(tr("Enable All"), this), | |
63 | disable_all_channels_(tr("Disable All"), this), | |
64 | check_box_mapper_(this) | |
65 | { | |
66 | // Create the layout | |
67 | setLayout(&layout_); | |
68 | ||
69 | const shared_ptr<sigrok::Device> device = session_.device()->device(); | |
70 | assert(device); | |
71 | ||
72 | // Collect a set of signals | |
73 | map<shared_ptr<Channel>, shared_ptr<Signal> > signal_map; | |
74 | ||
75 | shared_lock<shared_mutex> lock(session_.signals_mutex()); | |
76 | const unordered_set< shared_ptr<Signal> > &sigs(session_.signals()); | |
77 | ||
78 | for (const shared_ptr<Signal> &sig : sigs) | |
79 | signal_map[sig->channel()] = sig; | |
80 | ||
81 | // Populate channel groups | |
82 | for (auto entry : device->channel_groups()) | |
83 | { | |
84 | shared_ptr<ChannelGroup> group = entry.second; | |
85 | // Make a set of signals, and removed this signals from the | |
86 | // signal map. | |
87 | vector< shared_ptr<Signal> > group_sigs; | |
88 | for (auto channel : group->channels()) | |
89 | { | |
90 | const auto iter = signal_map.find(channel); | |
91 | ||
92 | if (iter == signal_map.end()) | |
93 | break; | |
94 | ||
95 | group_sigs.push_back((*iter).second); | |
96 | signal_map.erase(iter); | |
97 | } | |
98 | ||
99 | populate_group(group, group_sigs); | |
100 | } | |
101 | ||
102 | // Make a vector of the remaining channels | |
103 | vector< shared_ptr<Signal> > global_sigs; | |
104 | for (auto channel : device->channels()) | |
105 | { | |
106 | const map<shared_ptr<Channel>, shared_ptr<Signal> >:: | |
107 | const_iterator iter = signal_map.find(channel); | |
108 | if (iter != signal_map.end()) | |
109 | global_sigs.push_back((*iter).second); | |
110 | } | |
111 | ||
112 | // Create a group | |
113 | populate_group(NULL, global_sigs); | |
114 | ||
115 | // Create the enable/disable all buttons | |
116 | connect(&enable_all_channels_, SIGNAL(clicked()), | |
117 | this, SLOT(enable_all_channels())); | |
118 | connect(&disable_all_channels_, SIGNAL(clicked()), | |
119 | this, SLOT(disable_all_channels())); | |
120 | ||
121 | enable_all_channels_.setFlat(true); | |
122 | disable_all_channels_.setFlat(true); | |
123 | ||
124 | buttons_bar_.addWidget(&enable_all_channels_); | |
125 | buttons_bar_.addWidget(&disable_all_channels_); | |
126 | buttons_bar_.addStretch(1); | |
127 | ||
128 | layout_.addRow(&buttons_bar_); | |
129 | ||
130 | // Connect the check-box signal mapper | |
131 | connect(&check_box_mapper_, SIGNAL(mapped(QWidget*)), | |
132 | this, SLOT(on_channel_checked(QWidget*))); | |
133 | } | |
134 | ||
135 | void Channels::set_all_channels(bool set) | |
136 | { | |
137 | updating_channels_ = true; | |
138 | ||
139 | for (map<QCheckBox*, shared_ptr<Signal> >::const_iterator i = | |
140 | check_box_signal_map_.begin(); | |
141 | i != check_box_signal_map_.end(); i++) | |
142 | { | |
143 | const shared_ptr<Signal> sig = (*i).second; | |
144 | assert(sig); | |
145 | ||
146 | sig->enable(set); | |
147 | (*i).first->setChecked(set); | |
148 | } | |
149 | ||
150 | updating_channels_ = false; | |
151 | } | |
152 | ||
153 | void Channels::populate_group(shared_ptr<ChannelGroup> group, | |
154 | const vector< shared_ptr<pv::view::Signal> > sigs) | |
155 | { | |
156 | using pv::binding::Device; | |
157 | ||
158 | // Only bind options if this is a group. We don't do it for general | |
159 | // options, because these properties are shown in the device config | |
160 | // popup. | |
161 | shared_ptr<Device> binding; | |
162 | if (group) | |
163 | binding = shared_ptr<Device>(new Device(group)); | |
164 | ||
165 | // Create a title if the group is going to have any content | |
166 | if ((!sigs.empty() || (binding && !binding->properties().empty())) && | |
167 | group) | |
168 | layout_.addRow(new QLabel( | |
169 | QString("<h3>%1</h3>").arg(group->name().c_str()))); | |
170 | ||
171 | // Create the channel group grid | |
172 | QGridLayout *const channel_grid = | |
173 | create_channel_group_grid(sigs); | |
174 | layout_.addRow(channel_grid); | |
175 | ||
176 | // Create the channel group options | |
177 | if (binding) | |
178 | { | |
179 | binding->add_properties_to_form(&layout_, true); | |
180 | group_bindings_.push_back(binding); | |
181 | } | |
182 | } | |
183 | ||
184 | QGridLayout* Channels::create_channel_group_grid( | |
185 | const vector< shared_ptr<pv::view::Signal> > sigs) | |
186 | { | |
187 | int row = 0, col = 0; | |
188 | QGridLayout *const grid = new QGridLayout(); | |
189 | ||
190 | for (const shared_ptr<pv::view::Signal>& sig : sigs) | |
191 | { | |
192 | assert(sig); | |
193 | ||
194 | QCheckBox *const checkbox = new QCheckBox(sig->name()); | |
195 | check_box_mapper_.setMapping(checkbox, checkbox); | |
196 | connect(checkbox, SIGNAL(toggled(bool)), | |
197 | &check_box_mapper_, SLOT(map())); | |
198 | ||
199 | grid->addWidget(checkbox, row, col); | |
200 | ||
201 | check_box_signal_map_[checkbox] = sig; | |
202 | ||
203 | if(++col >= 8) | |
204 | col = 0, row++; | |
205 | } | |
206 | ||
207 | return grid; | |
208 | } | |
209 | ||
210 | void Channels::showEvent(QShowEvent *e) | |
211 | { | |
212 | pv::widgets::Popup::showEvent(e); | |
213 | ||
214 | updating_channels_ = true; | |
215 | ||
216 | for (map<QCheckBox*, shared_ptr<Signal> >::const_iterator i = | |
217 | check_box_signal_map_.begin(); | |
218 | i != check_box_signal_map_.end(); i++) | |
219 | { | |
220 | const shared_ptr<Signal> sig = (*i).second; | |
221 | assert(sig); | |
222 | ||
223 | (*i).first->setChecked(sig->enabled()); | |
224 | } | |
225 | ||
226 | updating_channels_ = false; | |
227 | } | |
228 | ||
229 | void Channels::on_channel_checked(QWidget *widget) | |
230 | { | |
231 | if (updating_channels_) | |
232 | return; | |
233 | ||
234 | QCheckBox *const check_box = (QCheckBox*)widget; | |
235 | assert(check_box); | |
236 | ||
237 | // Look up the signal of this check-box | |
238 | map< QCheckBox*, shared_ptr<Signal> >::const_iterator iter = | |
239 | check_box_signal_map_.find((QCheckBox*)check_box); | |
240 | assert(iter != check_box_signal_map_.end()); | |
241 | ||
242 | const shared_ptr<pv::view::Signal> s = (*iter).second; | |
243 | assert(s); | |
244 | ||
245 | s->enable(check_box->isChecked()); | |
246 | } | |
247 | ||
248 | void Channels::enable_all_channels() | |
249 | { | |
250 | set_all_channels(true); | |
251 | } | |
252 | ||
253 | void Channels::disable_all_channels() | |
254 | { | |
255 | set_all_channels(false); | |
256 | } | |
257 | ||
258 | } // popups | |
259 | } // pv |