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 375e749e789b9860af5988f07422a42c404d5ea9..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>
 


@@ -36,6 +37,24 @@ 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)
 {
 void QCustomTreeView::currentChanged(const QModelIndex& current,
        const QModelIndex& previous)
 {


@@ -53,17 +72,30 @@ SubWindow::SubWindow(Session& session, QWidget* parent) :
        info_label_body_(new QLabel()),
        info_label_footer_(new QLabel()),
        model_(new DecoderCollectionModel()),
        info_label_body_(new QLabel()),
        info_label_footer_(new QLabel()),
        model_(new DecoderCollectionModel()),

-       sort_filter_model_(new QSortFilterProxyModel())
+       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_);
 

+       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_->setOrientation(Qt::Vertical);

-       splitter_->addWidget(tree_view_);
+       splitter_->addWidget(upper_container);

        splitter_->addWidget(info_box_);
 
        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_->setSourceModel(model_);

+       sort_filter_model_->setFilterCaseSensitivity(Qt::CaseInsensitive);

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


@@ -81,6 +113,9 @@ SubWindow::SubWindow(Session& session, QWidget* parent) :
        info_label_body_->setWordWrap(true);
        info_label_body_->setText(tr("Select a decoder to see its description here."));
 
        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&)),
        connect(tree_view_, SIGNAL(currentChanged(const QModelIndex&)),
                this, SLOT(on_item_changed(const QModelIndex&)));
        connect(tree_view_, SIGNAL(activated(const QModelIndex&)),


@@ -256,6 +291,11 @@ void SubWindow::on_item_activated(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