DecoderSelector: Implement filtering

[pulseview.git] / pv / subwindows / decoder_selector / subwindow.cpp

diff --git a/pv/subwindows/decoder_selector/subwindow.cpp b/pv/subwindows/decoder_selector/subwindow.cpp
index 80b0f382faee4182fb860452f78421f4fa860c30..719d2efa1456142ac940936ec80560e671ad2a6e 100644 (file)
--- a/pv/subwindows/decoder_selector/subwindow.cpp
+++ b/pv/subwindows/decoder_selector/subwindow.cpp
@@ -22,6 +22,7 @@
 #include <QDebug>
 #include <QInputDialog>
 #include <QLabel>
 #include <QDebug>
 #include <QInputDialog>
 #include <QLabel>

+#include <QLineEdit>

 #include <QPushButton>
 #include <QVBoxLayout>
 
 #include <QPushButton>
 #include <QVBoxLayout>
 


@@ -36,26 +37,89 @@ namespace subwindows {
 namespace decoder_selector {
 
 
 namespace decoder_selector {
 
 

+bool QCustomSortFilterProxyModel::filterAcceptsRow(int source_row,
+       const QModelIndex& source_parent) const
+{
+       // Search model recursively
+
+       if (QSortFilterProxyModel::filterAcceptsRow(source_row, source_parent))
+               return true;
+
+       const QModelIndex index = sourceModel()->index(source_row, 0, source_parent);
+
+       for (int i = 0; i < sourceModel()->rowCount(index); i++)
+               if (filterAcceptsRow(i, index))
+                       return true;
+
+       return false;
+}
+
+
+void QCustomTreeView::currentChanged(const QModelIndex& current,
+       const QModelIndex& previous)
+{
+       QTreeView::currentChanged(current, previous);
+       currentChanged(current);
+}
+
+

 SubWindow::SubWindow(Session& session, QWidget* parent) :
        SubWindowBase(session, parent),
        splitter_(new QSplitter()),
 SubWindow::SubWindow(Session& session, QWidget* parent) :
        SubWindowBase(session, parent),
        splitter_(new QSplitter()),

-       tree_view_(new QTreeView()),
-       model_(new DecoderCollectionModel())
+       tree_view_(new QCustomTreeView()),
+       info_box_(new QWidget()),
+       info_label_header_(new QLabel()),
+       info_label_body_(new QLabel()),
+       info_label_footer_(new QLabel()),
+       model_(new DecoderCollectionModel()),
+       sort_filter_model_(new QCustomSortFilterProxyModel())

 {
        QVBoxLayout* root_layout = new QVBoxLayout(this);
        root_layout->setContentsMargins(0, 0, 0, 0);
        root_layout->addWidget(splitter_);
 
 {
        QVBoxLayout* root_layout = new QVBoxLayout(this);
        root_layout->setContentsMargins(0, 0, 0, 0);
        root_layout->addWidget(splitter_);
 

-       splitter_->addWidget(tree_view_);
+       QWidget* upper_container = new QWidget();
+       QVBoxLayout* upper_layout = new QVBoxLayout(upper_container);
+       upper_layout->setContentsMargins(0, 5, 0, 0);
+       QLineEdit* filter = new QLineEdit();
+       upper_layout->addWidget(filter);
+       upper_layout->addWidget(tree_view_);
+
+       splitter_->setOrientation(Qt::Vertical);
+       splitter_->addWidget(upper_container);
+       splitter_->addWidget(info_box_);
+
+       const QIcon filter_icon(QIcon::fromTheme("search",
+               QIcon(":/icons/search.svg")));
+       filter->setClearButtonEnabled(true);
+       filter->addAction(filter_icon, QLineEdit::LeadingPosition);
+
+       sort_filter_model_->setSourceModel(model_);
+       sort_filter_model_->setFilterCaseSensitivity(Qt::CaseInsensitive);

 
 

-       tree_view_->setModel(model_);
+       tree_view_->setModel(sort_filter_model_);

        tree_view_->setRootIsDecorated(true);
        tree_view_->setRootIsDecorated(true);

+       tree_view_->setSortingEnabled(true);
+       tree_view_->sortByColumn(0, Qt::AscendingOrder);

 
        // Hide the columns that hold the detailed item information
        tree_view_->hideColumn(2);  // ID
 
 
        // Hide the columns that hold the detailed item information
        tree_view_->hideColumn(2);  // ID
 

-       connect(tree_view_, SIGNAL(doubleClicked(const QModelIndex&)),
-               this, SLOT(on_item_double_clicked(const QModelIndex&)));
+       info_box_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+       QVBoxLayout* info_box_layout = new QVBoxLayout(info_box_);
+       info_box_layout->addWidget(info_label_header_);
+       info_box_layout->addWidget(info_label_body_);
+       info_box_layout->addWidget(info_label_footer_);
+       info_label_body_->setWordWrap(true);
+       info_label_body_->setText(tr("Select a decoder to see its description here."));
+
+       connect(filter, SIGNAL(textChanged(const QString&)),
+               this, SLOT(on_filter_changed(const QString&)));
+
+       connect(tree_view_, SIGNAL(currentChanged(const QModelIndex&)),
+               this, SLOT(on_item_changed(const QModelIndex&)));
+       connect(tree_view_, SIGNAL(activated(const QModelIndex&)),
+               this, SLOT(on_item_activated(const QModelIndex&)));

 
        connect(this, SIGNAL(new_decoders_selected(vector<const srd_decoder*>)),
                &session, SLOT(on_new_decoders_selected(vector<const srd_decoder*>)));
 
        connect(this, SIGNAL(new_decoders_selected(vector<const srd_decoder*>)),
                &session, SLOT(on_new_decoders_selected(vector<const srd_decoder*>)));


@@ -125,7 +189,41 @@ vector<const srd_decoder*> SubWindow::decoders_providing(const char* output) con
        return ret_val;
 }
 
        return ret_val;
 }
 

-void SubWindow::on_item_double_clicked(const QModelIndex& index)
+void SubWindow::on_item_changed(const QModelIndex& index)
+{
+       if (!index.isValid())
+               return;
+
+       QModelIndex id_index = index.model()->index(index.row(), 2, index.parent());
+       QString decoder_name = index.model()->data(id_index, Qt::DisplayRole).toString();
+
+       if (decoder_name.isEmpty())
+               return;
+
+       const srd_decoder* d = get_srd_decoder_from_id(decoder_name);
+
+       const QString id = QString::fromUtf8(d->id);
+       const QString longname = QString::fromUtf8(d->longname);
+       const QString desc = QString::fromUtf8(d->desc);
+       const QString doc = QString::fromUtf8(srd_decoder_doc_get(d));
+
+       QString tags;
+       GSList* l = g_slist_copy((GSList*)d->tags);
+       for (GSList* li = l; li; li = li->next) {
+               QString s = (li == l) ?
+                       tr((char*)li->data) :
+                       QString(tr(", %1")).arg(tr((char*)li->data));
+               tags.append(s);
+       }
+       g_slist_free(l);
+
+       info_label_header_->setText(QString("<span style='font-size:large;font-weight:bold'>%1 (%2)</span><br>%3")
+               .arg(longname, id, desc));
+       info_label_body_->setText(doc);
+       info_label_footer_->setText(tr("<p align='right'>Tags: %1</p>").arg(tags));
+}
+
+void SubWindow::on_item_activated(const QModelIndex& index)

 {
        if (!index.isValid())
                return;
 {
        if (!index.isValid())
                return;


@@ -193,6 +291,11 @@ void SubWindow::on_item_double_clicked(const QModelIndex& index)
        new_decoders_selected(decoders);
 }
 
        new_decoders_selected(decoders);
 }
 

+void SubWindow::on_filter_changed(const QString& text)
+{
+       sort_filter_model_->setFilterFixedString(text);
+}
+

 } // namespace decoder_selector
 } // namespace subwindows
 } // namespace pv
 } // namespace decoder_selector
 } // namespace subwindows
 } // namespace pv