From: Uwe Hermann <redacted>
Date: Sun, 30 Jun 2019 21:04:00 +0000 (+0200)
Subject: decoder_selector: Apply decoder upon pressing enter.
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=66ab3d702150a3122c5ec3bfcd7f4da930732383

decoder_selector: Apply decoder upon pressing enter.

If only one decoder matches the filter, apply it when the user presses enter.
---

diff --git a/pv/subwindows/decoder_selector/subwindow.cpp b/pv/subwindows/decoder_selector/subwindow.cpp
index 96da710f..948c5ae8 100644
--- 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
diff --git a/pv/subwindows/decoder_selector/subwindow.hpp b/pv/subwindows/decoder_selector/subwindow.hpp
index a1ace196..6b671cf5 100644
--- a/pv/subwindows/decoder_selector/subwindow.hpp
+++ b/pv/subwindows/decoder_selector/subwindow.hpp
@@ -134,6 +134,7 @@ public Q_SLOTS:
 	void on_item_activated(const QModelIndex& index);
 
 	void on_filter_changed(const QString& text);
+	void on_filter_return_pressed();
 
 private:
 	QSplitter* splitter_;