decoder_selector: Apply decoder upon pressing enter.

[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 96da710fb052ca9228214eff5a36a3772efba75f..948c5ae81b7b8b7cbc155f653eaae986ed305837 100644 (file)
--- a/pv/subwindows/decoder_selector/subwindow.cpp
+++ b/pv/subwindows/decoder_selector/subwindow.cpp
@@ -139,6 +139,8 @@ SubWindow::SubWindow(Session& session, QWidget* parent) :
 
        connect(filter, SIGNAL(textChanged(const QString&)),
                this, SLOT(on_filter_changed(const QString&)));
+       connect(filter, SIGNAL(returnPressed()),
+               this, SLOT(on_filter_return_pressed()));
 
        connect(tree_view_, SIGNAL(currentChanged(const QModelIndex&)),
                this, SLOT(on_item_changed(const QModelIndex&)));
@@ -311,6 +313,28 @@ void SubWindow::on_filter_changed(const QString& text)
        tree_view_->setExpanded(tree_view_->model()->index(0, 0), !text.isEmpty());
 }
 
+void SubWindow::on_filter_return_pressed()
+{
+       int num_visible_decoders = 0;
+       QModelIndex last_valid_index;
+
+       QModelIndex index = tree_view_->model()->index(0, 0);
+
+       while (index.isValid()) {
+               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()) {
+                       last_valid_index = index;
+                       num_visible_decoders++;
+               }
+               index = tree_view_->indexBelow(index);
+       }
+
+       // If only one decoder matches the filter, apply it when the user presses enter
+       if (num_visible_decoders == 1)
+               tree_view_->activated(last_valid_index);
+}
+
 } // namespace decoder_selector
 } // namespace subwindows
 } // namespace pv