Added pv::widgets::ImportMenu

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

diff --git a/pv/widgets/importmenu.cpp b/pv/widgets/importmenu.cpp
new file mode 100644 (file)
index 0000000..72fb557
--- /dev/null
+++ b/pv/widgets/importmenu.cpp
@@ -0,0 +1,89 @@
+/*
+ * 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 <algorithm>
+#include <cassert>
+#include <string>
+#include <utility>
+
+#include <libsigrok/libsigrok.hpp>
+
+#include "importmenu.hpp"
+
+using std::find_if;
+using std::map;
+using std::pair;
+using std::string;
+using std::shared_ptr;
+
+using sigrok::Context;
+using sigrok::InputFormat;
+
+namespace pv {
+namespace widgets {
+
+ImportMenu::ImportMenu(QWidget *parent, shared_ptr<Context> context,
+       QAction *open_action) :
+       QMenu(parent),
+       context_(context),
+       mapper_(this)
+{
+       assert(context);
+
+       if (open_action) {
+               addAction(open_action);
+               setDefaultAction(open_action);
+               addSeparator();
+       }
+
+       const map<string, shared_ptr<InputFormat> > formats =
+               context->input_formats();
+
+       for (const pair<string, shared_ptr<InputFormat> > &f : formats) {
+               assert(f.second);
+               QAction *const action = addAction(tr("Import %1...")
+                       .arg(QString::fromStdString(f.second->description())));
+               action->setData(qVariantFromValue((void*)f.second.get()));
+               mapper_.setMapping(action, action);
+               connect(action, SIGNAL(triggered()), &mapper_, SLOT(map()));
+       }
+
+       connect(&mapper_, SIGNAL(mapped(QObject*)),
+               this, SLOT(on_action(QObject*)));
+}
+
+void ImportMenu::on_action(QObject *action)
+{
+       assert(action);
+
+       const map<string, shared_ptr<InputFormat> > formats =
+               context_->input_formats();
+       const auto iter = find_if(formats.cbegin(), formats.cend(),
+               [&](const pair<string, shared_ptr<InputFormat> > &f) {
+                       return f.second.get() ==
+                               ((QAction*)action)->data().value<void*>(); });
+       if (iter == formats.cend())
+               return;
+
+       format_selected((*iter).second);
+}
+
+} // widgets
+} // pv