Factored out DecoderMenu

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

diff --git a/pv/widgets/decodermenu.cpp b/pv/widgets/decodermenu.cpp
new file mode 100644 (file)
index 0000000..68fc478
--- /dev/null
+++ b/pv/widgets/decodermenu.cpp
@@ -0,0 +1,66 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 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 <libsigrokdecode/libsigrokdecode.h>
+
+#include "decodermenu.h"
+
+namespace pv {
+namespace widgets {
+
+DecoderMenu::DecoderMenu(QWidget *parent) :
+       QMenu(parent),
+       _mapper(this)
+{
+       GSList *l = g_slist_sort(g_slist_copy(
+               (GSList*)srd_decoder_list()), decoder_name_cmp);
+       for(; l; l = l->next)
+       {
+               QAction *const action = addAction(QString(
+                       ((srd_decoder*)l->data)->name));
+               action->setData(qVariantFromValue(l->data));
+               _mapper.setMapping(action, action);
+               connect(action, SIGNAL(triggered()),
+                       &_mapper, SLOT(map()));
+       }
+       g_slist_free(l);
+
+       connect(&_mapper, SIGNAL(mapped(QObject*)),
+               this, SLOT(on_action(QObject*)));
+}
+
+int DecoderMenu::decoder_name_cmp(const void *a, const void *b)
+{
+       return strcmp(((const srd_decoder*)a)->name,
+               ((const srd_decoder*)b)->name);
+}
+
+void DecoderMenu::on_action(QObject *action)
+{
+       assert(action);
+       srd_decoder *const dec =
+               (srd_decoder*)((QAction*)action)->data().value<void*>();
+       assert(dec);
+
+       decoder_selected(dec);  
+}
+
+} // widgets
+} // pv