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97378470 SA |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2018 Soeren Apel <soeren@apelpie.net> | |
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 <algorithm> | |
21 | ||
22 | #include <QDebug> | |
23 | #include <QInputDialog> | |
24 | #include <QLabel> | |
b229a1b7 | 25 | #include <QLineEdit> |
97378470 SA |
26 | #include <QPushButton> |
27 | #include <QVBoxLayout> | |
28 | ||
29 | #include "pv/session.hpp" | |
30 | #include "pv/subwindows/decoder_selector/subwindow.hpp" | |
31 | ||
32 | using std::reverse; | |
33 | using std::shared_ptr; | |
34 | ||
35 | namespace pv { | |
36 | namespace subwindows { | |
37 | namespace decoder_selector { | |
38 | ||
39 | ||
b229a1b7 SA |
40 | bool QCustomSortFilterProxyModel::filterAcceptsRow(int source_row, |
41 | const QModelIndex& source_parent) const | |
42 | { | |
43 | // Search model recursively | |
44 | ||
45 | if (QSortFilterProxyModel::filterAcceptsRow(source_row, source_parent)) | |
46 | return true; | |
47 | ||
48 | const QModelIndex index = sourceModel()->index(source_row, 0, source_parent); | |
49 | ||
50 | for (int i = 0; i < sourceModel()->rowCount(index); i++) | |
51 | if (filterAcceptsRow(i, index)) | |
52 | return true; | |
53 | ||
54 | return false; | |
55 | } | |
56 | ||
57 | ||
e10848e8 SA |
58 | void QCustomTreeView::currentChanged(const QModelIndex& current, |
59 | const QModelIndex& previous) | |
60 | { | |
61 | QTreeView::currentChanged(current, previous); | |
62 | currentChanged(current); | |
63 | } | |
64 | ||
65 | ||
97378470 SA |
66 | SubWindow::SubWindow(Session& session, QWidget* parent) : |
67 | SubWindowBase(session, parent), | |
68 | splitter_(new QSplitter()), | |
e10848e8 | 69 | tree_view_(new QCustomTreeView()), |
c2b80ad9 SA |
70 | info_box_(new QWidget()), |
71 | info_label_header_(new QLabel()), | |
72 | info_label_body_(new QLabel()), | |
73 | info_label_footer_(new QLabel()), | |
a6fab024 | 74 | model_(new DecoderCollectionModel()), |
b229a1b7 | 75 | sort_filter_model_(new QCustomSortFilterProxyModel()) |
97378470 SA |
76 | { |
77 | QVBoxLayout* root_layout = new QVBoxLayout(this); | |
78 | root_layout->setContentsMargins(0, 0, 0, 0); | |
79 | root_layout->addWidget(splitter_); | |
80 | ||
b229a1b7 SA |
81 | QWidget* upper_container = new QWidget(); |
82 | QVBoxLayout* upper_layout = new QVBoxLayout(upper_container); | |
83 | upper_layout->setContentsMargins(0, 5, 0, 0); | |
84 | QLineEdit* filter = new QLineEdit(); | |
85 | upper_layout->addWidget(filter); | |
86 | upper_layout->addWidget(tree_view_); | |
87 | ||
c2b80ad9 | 88 | splitter_->setOrientation(Qt::Vertical); |
b229a1b7 | 89 | splitter_->addWidget(upper_container); |
c2b80ad9 | 90 | splitter_->addWidget(info_box_); |
97378470 | 91 | |
b229a1b7 SA |
92 | const QIcon filter_icon(QIcon::fromTheme("search", |
93 | QIcon(":/icons/search.svg"))); | |
94 | filter->setClearButtonEnabled(true); | |
95 | filter->addAction(filter_icon, QLineEdit::LeadingPosition); | |
96 | ||
a6fab024 | 97 | sort_filter_model_->setSourceModel(model_); |
b229a1b7 | 98 | sort_filter_model_->setFilterCaseSensitivity(Qt::CaseInsensitive); |
a6fab024 SA |
99 | |
100 | tree_view_->setModel(sort_filter_model_); | |
97378470 | 101 | tree_view_->setRootIsDecorated(true); |
a6fab024 SA |
102 | tree_view_->setSortingEnabled(true); |
103 | tree_view_->sortByColumn(0, Qt::AscendingOrder); | |
97378470 SA |
104 | |
105 | // Hide the columns that hold the detailed item information | |
106 | tree_view_->hideColumn(2); // ID | |
107 | ||
c2b80ad9 SA |
108 | info_box_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); |
109 | QVBoxLayout* info_box_layout = new QVBoxLayout(info_box_); | |
110 | info_box_layout->addWidget(info_label_header_); | |
111 | info_box_layout->addWidget(info_label_body_); | |
112 | info_box_layout->addWidget(info_label_footer_); | |
113 | info_label_body_->setWordWrap(true); | |
114 | info_label_body_->setText(tr("Select a decoder to see its description here.")); | |
115 | ||
b229a1b7 SA |
116 | connect(filter, SIGNAL(textChanged(const QString&)), |
117 | this, SLOT(on_filter_changed(const QString&))); | |
118 | ||
e10848e8 SA |
119 | connect(tree_view_, SIGNAL(currentChanged(const QModelIndex&)), |
120 | this, SLOT(on_item_changed(const QModelIndex&))); | |
121 | connect(tree_view_, SIGNAL(activated(const QModelIndex&)), | |
122 | this, SLOT(on_item_activated(const QModelIndex&))); | |
97378470 SA |
123 | |
124 | connect(this, SIGNAL(new_decoders_selected(vector<const srd_decoder*>)), | |
125 | &session, SLOT(on_new_decoders_selected(vector<const srd_decoder*>))); | |
126 | } | |
127 | ||
128 | bool SubWindow::has_toolbar() const | |
129 | { | |
130 | return true; | |
131 | } | |
132 | ||
133 | QToolBar* SubWindow::create_toolbar(QWidget *parent) const | |
134 | { | |
135 | QToolBar* toolbar = new QToolBar(parent); | |
136 | ||
137 | return toolbar; | |
138 | } | |
139 | ||
140 | const srd_decoder* SubWindow::get_srd_decoder_from_id(QString id) const | |
141 | { | |
142 | const srd_decoder* ret_val = nullptr; | |
143 | ||
486bcf01 | 144 | for (GSList* li = (GSList*)srd_decoder_list(); li; li = li->next) { |
97378470 SA |
145 | const srd_decoder* d = (srd_decoder*)li->data; |
146 | assert(d); | |
147 | ||
148 | if (QString::fromUtf8(d->id) == id) | |
149 | ret_val = d; | |
150 | } | |
97378470 SA |
151 | |
152 | return ret_val; | |
153 | } | |
154 | ||
155 | vector<const char*> SubWindow::decoder_inputs(const srd_decoder* d) const | |
156 | { | |
157 | vector<const char*> ret_val; | |
158 | ||
486bcf01 SA |
159 | for (GSList* li = d->inputs; li; li = li->next) |
160 | ret_val.push_back((const char*)li->data); | |
97378470 SA |
161 | |
162 | return ret_val; | |
163 | } | |
164 | ||
165 | vector<const srd_decoder*> SubWindow::decoders_providing(const char* output) const | |
166 | { | |
167 | vector<const srd_decoder*> ret_val; | |
168 | ||
486bcf01 | 169 | for (GSList* li = (GSList*)srd_decoder_list(); li; li = li->next) { |
97378470 SA |
170 | const srd_decoder* d = (srd_decoder*)li->data; |
171 | assert(d); | |
172 | ||
173 | if (!d->outputs) | |
174 | continue; | |
175 | ||
176 | // TODO For now we ignore that d->outputs is actually a list | |
177 | if (strncmp((char*)(d->outputs->data), output, strlen(output)) == 0) | |
178 | ret_val.push_back(d); | |
179 | } | |
97378470 SA |
180 | |
181 | return ret_val; | |
182 | } | |
183 | ||
e10848e8 | 184 | void SubWindow::on_item_changed(const QModelIndex& index) |
c2b80ad9 SA |
185 | { |
186 | if (!index.isValid()) | |
187 | return; | |
188 | ||
189 | QModelIndex id_index = index.model()->index(index.row(), 2, index.parent()); | |
190 | QString decoder_name = index.model()->data(id_index, Qt::DisplayRole).toString(); | |
191 | ||
192 | if (decoder_name.isEmpty()) | |
193 | return; | |
194 | ||
195 | const srd_decoder* d = get_srd_decoder_from_id(decoder_name); | |
196 | ||
197 | const QString id = QString::fromUtf8(d->id); | |
198 | const QString longname = QString::fromUtf8(d->longname); | |
199 | const QString desc = QString::fromUtf8(d->desc); | |
200 | const QString doc = QString::fromUtf8(srd_decoder_doc_get(d)); | |
201 | ||
202 | QString tags; | |
486bcf01 SA |
203 | for (GSList* li = (GSList*)d->tags; li; li = li->next) { |
204 | QString s = (li == (GSList*)d->tags) ? | |
c2b80ad9 SA |
205 | tr((char*)li->data) : |
206 | QString(tr(", %1")).arg(tr((char*)li->data)); | |
207 | tags.append(s); | |
208 | } | |
c2b80ad9 SA |
209 | |
210 | info_label_header_->setText(QString("<span style='font-size:large;font-weight:bold'>%1 (%2)</span><br>%3") | |
211 | .arg(longname, id, desc)); | |
212 | info_label_body_->setText(doc); | |
213 | info_label_footer_->setText(tr("<p align='right'>Tags: %1</p>").arg(tags)); | |
214 | } | |
215 | ||
e10848e8 | 216 | void SubWindow::on_item_activated(const QModelIndex& index) |
97378470 SA |
217 | { |
218 | if (!index.isValid()) | |
219 | return; | |
220 | ||
221 | QModelIndex id_index = index.model()->index(index.row(), 2, index.parent()); | |
222 | QString decoder_name = index.model()->data(id_index, Qt::DisplayRole).toString(); | |
223 | ||
224 | const srd_decoder* chosen_decoder = get_srd_decoder_from_id(decoder_name); | |
225 | if (chosen_decoder == nullptr) | |
226 | return; | |
227 | ||
228 | vector<const srd_decoder*> decoders; | |
229 | decoders.push_back(chosen_decoder); | |
230 | ||
231 | // If the decoder only depends on logic inputs, we add it and are done | |
232 | vector<const char*> inputs = decoder_inputs(decoders.front()); | |
233 | if (inputs.size() == 0) { | |
234 | qWarning() << "Protocol decoder" << decoder_name << "cannot have 0 inputs!"; | |
235 | return; | |
236 | } | |
237 | ||
238 | if (strncmp(inputs.at(0), "logic", 5) == 0) { | |
239 | new_decoders_selected(decoders); | |
240 | return; | |
241 | } | |
242 | ||
243 | // Check if we can automatically fulfill the stacking requirements | |
244 | while (strncmp(inputs.at(0), "logic", 5) != 0) { | |
245 | vector<const srd_decoder*> prov_decoders = decoders_providing(inputs.at(0)); | |
246 | ||
247 | if (prov_decoders.size() == 0) { | |
248 | // Emit warning and add the stack that we could gather so far | |
249 | qWarning() << "Protocol decoder" << QString::fromUtf8(decoders.back()->id) \ | |
250 | << "has input that no other decoder provides:" << QString::fromUtf8(inputs.at(0)); | |
251 | break; | |
252 | } | |
253 | ||
254 | if (prov_decoders.size() == 1) { | |
255 | decoders.push_back(prov_decoders.front()); | |
256 | } else { | |
257 | // Let user decide which one to use | |
258 | QString caption = QString(tr("Protocol decoder <b>%1</b> requires input type <b>%2</b> " \ | |
259 | "which several decoders provide.<br>Choose which one to use:<br>")) | |
260 | .arg(QString::fromUtf8(decoders.back()->id), QString::fromUtf8(inputs.at(0))); | |
261 | ||
262 | QStringList items; | |
263 | for (const srd_decoder* d : prov_decoders) | |
264 | items << QString::fromUtf8(d->id) + " (" + QString::fromUtf8(d->longname) + ")"; | |
265 | bool ok_clicked; | |
266 | QString item = QInputDialog::getItem(this, tr("Choose Decoder"), | |
267 | tr(caption.toUtf8()), items, 0, false, &ok_clicked); | |
268 | ||
269 | if ((!ok_clicked) || (item.isEmpty())) | |
270 | return; | |
271 | ||
272 | QString d = item.section(' ', 0, 0); | |
273 | decoders.push_back(get_srd_decoder_from_id(d)); | |
274 | } | |
275 | ||
276 | inputs = decoder_inputs(decoders.back()); | |
277 | } | |
278 | ||
279 | // Reverse decoder list and add the stack | |
280 | reverse(decoders.begin(), decoders.end()); | |
281 | new_decoders_selected(decoders); | |
282 | } | |
283 | ||
b229a1b7 SA |
284 | void SubWindow::on_filter_changed(const QString& text) |
285 | { | |
286 | sort_filter_model_->setFilterFixedString(text); | |
287 | } | |
288 | ||
97378470 SA |
289 | } // namespace decoder_selector |
290 | } // namespace subwindows | |
291 | } // namespace pv |