MainWindow: Hide the main menu unless Altt is pressed

[pulseview.git] / pv / widgets / hidingmenubar.cpp

diff --git a/pv/widgets/hidingmenubar.cpp b/pv/widgets/hidingmenubar.cpp
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+++ b/pv/widgets/hidingmenubar.cpp
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+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2015 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <QKeyEvent>
+
+#include "hidingmenubar.hpp"
+
+namespace pv {
+namespace widgets {
+
+HidingMenuBar::HidingMenuBar(QWidget *parent) :
+       QMenuBar(parent)
+{
+       setHidden(true);
+       connect(this, SIGNAL(triggered(QAction*)),
+               this, SLOT(item_triggered()));
+}
+
+void HidingMenuBar::focusOutEvent(QFocusEvent *e)
+{
+       if (e->reason() != Qt::PopupFocusReason)
+               setHidden(true);
+       QMenuBar::focusOutEvent(e);
+}
+
+void HidingMenuBar::keyPressEvent(QKeyEvent *e)
+{
+       if (e->key() == Qt::Key_Escape)
+               setHidden(true);
+       QMenuBar::keyPressEvent(e);
+}
+
+void HidingMenuBar::item_triggered()
+{
+       setHidden(true);
+}
+
+}  // namespace widgets
+}  // namespace pv