2 * This file is part of the PulseView project.
4 * Copyright (C) 2018 Soeren Apel <soeren@apelpie.net>
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/>.
23 #include <QInputDialog>
26 #include <QPushButton>
27 #include <QVBoxLayout>
29 #include "pv/session.hpp"
30 #include "pv/subwindows/decoder_selector/subwindow.hpp"
33 using std::shared_ptr;
36 namespace subwindows {
37 namespace decoder_selector {
40 bool QCustomSortFilterProxyModel::filterAcceptsRow(int source_row,
41 const QModelIndex& source_parent) const
43 // Search model recursively
45 if (QSortFilterProxyModel::filterAcceptsRow(source_row, source_parent))
48 const QModelIndex index = sourceModel()->index(source_row, 0, source_parent);
50 for (int i = 0; i < sourceModel()->rowCount(index); i++)
51 if (filterAcceptsRow(i, index))
58 void QCustomTreeView::currentChanged(const QModelIndex& current,
59 const QModelIndex& previous)
61 QTreeView::currentChanged(current, previous);
62 currentChanged(current);
66 SubWindow::SubWindow(Session& session, QWidget* parent) :
67 SubWindowBase(session, parent),
68 splitter_(new QSplitter()),
69 tree_view_(new QCustomTreeView()),
70 info_box_(new QWidget()),
71 info_label_header_(new QLabel()),
72 info_label_body_(new QLabel()),
73 info_label_footer_(new QLabel()),
74 model_(new DecoderCollectionModel()),
75 sort_filter_model_(new QCustomSortFilterProxyModel())
77 QVBoxLayout* root_layout = new QVBoxLayout(this);
78 root_layout->setContentsMargins(0, 0, 0, 0);
79 root_layout->addWidget(splitter_);
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_);
88 splitter_->setOrientation(Qt::Vertical);
89 splitter_->addWidget(upper_container);
90 splitter_->addWidget(info_box_);
92 const QIcon filter_icon(QIcon::fromTheme("search",
93 QIcon(":/icons/search.svg")));
94 filter->setClearButtonEnabled(true);
95 filter->addAction(filter_icon, QLineEdit::LeadingPosition);
97 sort_filter_model_->setSourceModel(model_);
98 sort_filter_model_->setFilterCaseSensitivity(Qt::CaseInsensitive);
100 tree_view_->setModel(sort_filter_model_);
101 tree_view_->setRootIsDecorated(true);
102 tree_view_->setSortingEnabled(true);
103 tree_view_->sortByColumn(0, Qt::AscendingOrder);
105 // Hide the columns that hold the detailed item information
106 tree_view_->hideColumn(2); // ID
108 // Ensure that all decoder tag names are fully visible by default
109 tree_view_->resizeColumnToContents(0);
111 info_box_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
112 QVBoxLayout* info_box_layout = new QVBoxLayout(info_box_);
113 info_box_layout->addWidget(info_label_header_);
114 info_box_layout->addWidget(info_label_body_);
115 info_box_layout->addWidget(info_label_footer_);
116 info_box_layout->setAlignment(Qt::AlignTop);
117 Qt::TextInteractionFlags flags = Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard;
118 info_label_header_->setWordWrap(true);
119 info_label_header_->setTextInteractionFlags(flags);
120 info_label_body_->setWordWrap(true);
121 info_label_body_->setTextInteractionFlags(flags);
122 info_label_body_->setText(tr("Select a decoder to see its description here."));
123 info_label_footer_->setWordWrap(true);
124 info_label_footer_->setTextInteractionFlags(flags);
126 connect(filter, SIGNAL(textChanged(const QString&)),
127 this, SLOT(on_filter_changed(const QString&)));
129 connect(tree_view_, SIGNAL(currentChanged(const QModelIndex&)),
130 this, SLOT(on_item_changed(const QModelIndex&)));
131 connect(tree_view_, SIGNAL(activated(const QModelIndex&)),
132 this, SLOT(on_item_activated(const QModelIndex&)));
134 connect(this, SIGNAL(new_decoders_selected(vector<const srd_decoder*>)),
135 &session, SLOT(on_new_decoders_selected(vector<const srd_decoder*>)));
138 bool SubWindow::has_toolbar() const
143 QToolBar* SubWindow::create_toolbar(QWidget *parent) const
145 QToolBar* toolbar = new QToolBar(parent);
150 vector<const char*> SubWindow::get_decoder_inputs(const srd_decoder* d) const
152 vector<const char*> ret_val;
154 for (GSList* li = d->inputs; li; li = li->next)
155 ret_val.push_back((const char*)li->data);
160 vector<const srd_decoder*> SubWindow::get_decoders_providing(const char* output) const
162 vector<const srd_decoder*> ret_val;
164 for (GSList* li = (GSList*)srd_decoder_list(); li; li = li->next) {
165 const srd_decoder* d = (srd_decoder*)li->data;
171 // TODO For now we ignore that d->outputs is actually a list
172 if (strncmp((char*)(d->outputs->data), output, strlen(output)) == 0)
173 ret_val.push_back(d);
179 void SubWindow::on_item_changed(const QModelIndex& index)
181 if (!index.isValid())
184 QModelIndex id_index = index.model()->index(index.row(), 2, index.parent());
185 QString decoder_name = index.model()->data(id_index, Qt::DisplayRole).toString();
187 if (decoder_name.isEmpty())
190 const srd_decoder* d = srd_decoder_get_by_id(decoder_name.toUtf8());
192 const QString id = QString::fromUtf8(d->id);
193 const QString longname = QString::fromUtf8(d->longname);
194 const QString desc = QString::fromUtf8(d->desc);
195 const QString doc = QString::fromUtf8(srd_decoder_doc_get(d));
198 for (GSList* li = (GSList*)d->tags; li; li = li->next) {
199 QString s = (li == (GSList*)d->tags) ?
200 tr((char*)li->data) :
201 QString(tr(", %1")).arg(tr((char*)li->data));
205 info_label_header_->setText(QString("<span style='font-size:large;font-weight:bold'>%1 (%2)</span><br>%3")
206 .arg(longname, id, desc));
207 info_label_body_->setText(doc);
208 info_label_footer_->setText(tr("<p align='right'>Tags: %1</p>").arg(tags));
211 void SubWindow::on_item_activated(const QModelIndex& index)
213 if (!index.isValid())
216 QModelIndex id_index = index.model()->index(index.row(), 2, index.parent());
217 QString decoder_name = index.model()->data(id_index, Qt::DisplayRole).toString();
219 const srd_decoder* chosen_decoder = srd_decoder_get_by_id(decoder_name.toUtf8());
220 if (chosen_decoder == nullptr)
223 vector<const srd_decoder*> decoders;
224 decoders.push_back(chosen_decoder);
226 // If the decoder only depends on logic inputs, we add it and are done
227 vector<const char*> inputs = get_decoder_inputs(decoders.front());
228 if (inputs.size() == 0) {
229 qWarning() << "Protocol decoder" << decoder_name << "cannot have 0 inputs!";
233 if (strncmp(inputs.at(0), "logic", 5) == 0) {
234 new_decoders_selected(decoders);
238 // Check if we can automatically fulfill the stacking requirements
239 while (strncmp(inputs.at(0), "logic", 5) != 0) {
240 vector<const srd_decoder*> prov_decoders = get_decoders_providing(inputs.at(0));
242 if (prov_decoders.size() == 0) {
243 // Emit warning and add the stack that we could gather so far
244 qWarning() << "Protocol decoder" << QString::fromUtf8(decoders.back()->id) \
245 << "has input that no other decoder provides:" << QString::fromUtf8(inputs.at(0));
249 if (prov_decoders.size() == 1) {
250 decoders.push_back(prov_decoders.front());
252 // Let user decide which one to use
253 QString caption = QString(tr("Protocol decoder <b>%1</b> requires input type <b>%2</b> " \
254 "which several decoders provide.<br>Choose which one to use:<br>"))
255 .arg(QString::fromUtf8(decoders.back()->id), QString::fromUtf8(inputs.at(0)));
258 for (const srd_decoder* d : prov_decoders)
259 items << QString::fromUtf8(d->id) + " (" + QString::fromUtf8(d->longname) + ")";
261 QString item = QInputDialog::getItem(this, tr("Choose Decoder"),
262 tr(caption.toUtf8()), items, 0, false, &ok_clicked);
264 if ((!ok_clicked) || (item.isEmpty()))
267 QString d = item.section(' ', 0, 0);
268 decoders.push_back(srd_decoder_get_by_id(d.toUtf8()));
271 inputs = get_decoder_inputs(decoders.back());
274 // Reverse decoder list and add the stack
275 reverse(decoders.begin(), decoders.end());
276 new_decoders_selected(decoders);
279 void SubWindow::on_filter_changed(const QString& text)
281 sort_filter_model_->setFilterFixedString(text);
284 } // namespace decoder_selector
285 } // namespace subwindows