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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/session.hpp> | |
30 | #include <pv/binding/device.hpp> | |
31 | #include <pv/data/signalbase.hpp> | |
32 | #include <pv/devices/device.hpp> | |
33 | ||
34 | using std::make_shared; | |
35 | using std::map; | |
36 | using std::out_of_range; | |
37 | using std::shared_ptr; | |
38 | using std::unordered_set; | |
39 | using std::vector; | |
40 | ||
41 | using pv::data::SignalBase; | |
42 | ||
43 | using sigrok::Channel; | |
44 | using sigrok::ChannelGroup; | |
45 | using sigrok::Device; | |
46 | ||
47 | namespace pv { | |
48 | namespace popups { | |
49 | ||
50 | Channels::Channels(Session &session, QWidget *parent) : | |
51 | Popup(parent), | |
52 | session_(session), | |
53 | updating_channels_(false), | |
54 | enable_all_channels_(tr("Enable All"), this), | |
55 | disable_all_channels_(tr("Disable All"), this), | |
56 | check_box_mapper_(this) | |
57 | { | |
58 | // Create the layout | |
59 | setLayout(&layout_); | |
60 | ||
61 | const shared_ptr<sigrok::Device> device = session_.device()->device(); | |
62 | assert(device); | |
63 | ||
64 | // Collect a set of signals | |
65 | map<shared_ptr<Channel>, shared_ptr<SignalBase> > signal_map; | |
66 | ||
67 | unordered_set< shared_ptr<SignalBase> > sigs; | |
68 | for (const shared_ptr<data::SignalBase> b : session_.signalbases()) | |
69 | sigs.insert(b); | |
70 | ||
71 | for (const shared_ptr<SignalBase> &sig : sigs) | |
72 | signal_map[sig->channel()] = sig; | |
73 | ||
74 | // Populate channel groups | |
75 | for (auto entry : device->channel_groups()) { | |
76 | const shared_ptr<ChannelGroup> group = entry.second; | |
77 | // Make a set of signals and remove these signals from the signal map | |
78 | vector< shared_ptr<SignalBase> > group_sigs; | |
79 | for (auto channel : group->channels()) { | |
80 | const auto iter = signal_map.find(channel); | |
81 | ||
82 | if (iter == signal_map.end()) | |
83 | break; | |
84 | ||
85 | group_sigs.push_back((*iter).second); | |
86 | signal_map.erase(iter); | |
87 | } | |
88 | ||
89 | populate_group(group, group_sigs); | |
90 | } | |
91 | ||
92 | // Make a vector of the remaining channels | |
93 | vector< shared_ptr<SignalBase> > global_sigs; | |
94 | for (auto channel : device->channels()) { | |
95 | const map<shared_ptr<Channel>, shared_ptr<SignalBase> >:: | |
96 | const_iterator iter = signal_map.find(channel); | |
97 | if (iter != signal_map.end()) | |
98 | global_sigs.push_back((*iter).second); | |
99 | } | |
100 | ||
101 | // Create a group | |
102 | populate_group(nullptr, global_sigs); | |
103 | ||
104 | // Create the enable/disable all buttons | |
105 | connect(&enable_all_channels_, SIGNAL(clicked()), | |
106 | this, SLOT(enable_all_channels())); | |
107 | connect(&disable_all_channels_, SIGNAL(clicked()), | |
108 | this, SLOT(disable_all_channels())); | |
109 | ||
110 | enable_all_channels_.setFlat(true); | |
111 | disable_all_channels_.setFlat(true); | |
112 | ||
113 | buttons_bar_.addWidget(&enable_all_channels_); | |
114 | buttons_bar_.addWidget(&disable_all_channels_); | |
115 | buttons_bar_.addStretch(1); | |
116 | ||
117 | layout_.addRow(&buttons_bar_); | |
118 | ||
119 | // Connect the check-box signal mapper | |
120 | connect(&check_box_mapper_, SIGNAL(mapped(QWidget*)), | |
121 | this, SLOT(on_channel_checked(QWidget*))); | |
122 | } | |
123 | ||
124 | void Channels::set_all_channels(bool set) | |
125 | { | |
126 | updating_channels_ = true; | |
127 | ||
128 | for (auto entry : check_box_signal_map_) { | |
129 | QCheckBox *cb = entry.first; | |
130 | const shared_ptr<SignalBase> sig = entry.second; | |
131 | assert(sig); | |
132 | ||
133 | sig->set_enabled(set); | |
134 | cb->setChecked(set); | |
135 | } | |
136 | ||
137 | updating_channels_ = false; | |
138 | } | |
139 | ||
140 | void Channels::populate_group(shared_ptr<ChannelGroup> group, | |
141 | const vector< shared_ptr<SignalBase> > sigs) | |
142 | { | |
143 | using pv::binding::Device; | |
144 | ||
145 | // Only bind options if this is a group. We don't do it for general | |
146 | // options, because these properties are shown in the device config | |
147 | // popup. | |
148 | shared_ptr<Device> binding; | |
149 | if (group) | |
150 | binding = make_shared<Device>(group); | |
151 | ||
152 | // Create a title if the group is going to have any content | |
153 | if ((!sigs.empty() || (binding && !binding->properties().empty())) && group) | |
154 | { | |
155 | QLabel *label = new QLabel( | |
156 | QString("<h3>%1</h3>").arg(group->name().c_str())); | |
157 | layout_.addRow(label); | |
158 | group_label_map_[group] = label; | |
159 | } | |
160 | ||
161 | // Create the channel group grid | |
162 | QGridLayout *const channel_grid = create_channel_group_grid(sigs); | |
163 | layout_.addRow(channel_grid); | |
164 | ||
165 | // Create the channel group options | |
166 | if (binding) { | |
167 | binding->add_properties_to_form(&layout_, true); | |
168 | group_bindings_.push_back(binding); | |
169 | } | |
170 | } | |
171 | ||
172 | QGridLayout* Channels::create_channel_group_grid( | |
173 | const vector< shared_ptr<SignalBase> > sigs) | |
174 | { | |
175 | int row = 0, col = 0; | |
176 | QGridLayout *const grid = new QGridLayout(); | |
177 | ||
178 | for (const shared_ptr<SignalBase>& sig : sigs) { | |
179 | assert(sig); | |
180 | ||
181 | QCheckBox *const checkbox = new QCheckBox(sig->display_name()); | |
182 | check_box_mapper_.setMapping(checkbox, checkbox); | |
183 | connect(checkbox, SIGNAL(toggled(bool)), | |
184 | &check_box_mapper_, SLOT(map())); | |
185 | ||
186 | grid->addWidget(checkbox, row, col); | |
187 | ||
188 | check_box_signal_map_[checkbox] = sig; | |
189 | ||
190 | if (++col >= 8) | |
191 | col = 0, row++; | |
192 | } | |
193 | ||
194 | return grid; | |
195 | } | |
196 | ||
197 | void Channels::showEvent(QShowEvent *event) | |
198 | { | |
199 | pv::widgets::Popup::showEvent(event); | |
200 | ||
201 | const shared_ptr<sigrok::Device> device = session_.device()->device(); | |
202 | assert(device); | |
203 | ||
204 | // Update group labels | |
205 | for (auto entry : device->channel_groups()) { | |
206 | const shared_ptr<ChannelGroup> group = entry.second; | |
207 | ||
208 | try { | |
209 | QLabel* label = group_label_map_.at(group); | |
210 | label->setText(QString("<h3>%1</h3>").arg(group->name().c_str())); | |
211 | } catch (out_of_range&) { | |
212 | // Do nothing | |
213 | } | |
214 | } | |
215 | ||
216 | updating_channels_ = true; | |
217 | ||
218 | for (auto entry : check_box_signal_map_) { | |
219 | QCheckBox *cb = entry.first; | |
220 | const shared_ptr<SignalBase> sig = entry.second; | |
221 | assert(sig); | |
222 | ||
223 | // Update the check box | |
224 | cb->setChecked(sig->enabled()); | |
225 | cb->setText(sig->display_name()); | |
226 | } | |
227 | ||
228 | updating_channels_ = false; | |
229 | } | |
230 | ||
231 | void Channels::on_channel_checked(QWidget *widget) | |
232 | { | |
233 | if (updating_channels_) | |
234 | return; | |
235 | ||
236 | QCheckBox *const check_box = (QCheckBox*)widget; | |
237 | assert(check_box); | |
238 | ||
239 | // Look up the signal of this check-box | |
240 | map< QCheckBox*, shared_ptr<SignalBase> >::const_iterator iter = | |
241 | check_box_signal_map_.find((QCheckBox*)check_box); | |
242 | assert(iter != check_box_signal_map_.end()); | |
243 | ||
244 | const shared_ptr<SignalBase> s = (*iter).second; | |
245 | assert(s); | |
246 | ||
247 | s->set_enabled(check_box->isChecked()); | |
248 | } | |
249 | ||
250 | void Channels::enable_all_channels() | |
251 | { | |
252 | set_all_channels(true); | |
253 | } | |
254 | ||
255 | void Channels::disable_all_channels() | |
256 | { | |
257 | set_all_channels(false); | |
258 | } | |
259 | ||
260 | } // namespace popups | |
261 | } // namespace pv |