Added pv::widgets::ImportMenu

CMakeLists.txt

@@ -194,6 +194,7 @@ set(pulseview_SOURCES
 	pv/widgets/devicetoolbutton.cpp
 	pv/widgets/exportmenu.cpp
 	pv/widgets/hidingmenubar.cpp
+	pv/widgets/importmenu.cpp
 	pv/widgets/popup.cpp
 	pv/widgets/popuptoolbutton.cpp
 	pv/widgets/sweeptimingwidget.cpp
@@ -240,6 +241,7 @@ set(pulseview_HEADERS
 	pv/widgets/devicetoolbutton.hpp
 	pv/widgets/exportmenu.hpp
 	pv/widgets/hidingmenubar.hpp
+	pv/widgets/importmenu.hpp
 	pv/widgets/popup.hpp
 	pv/widgets/popuptoolbutton.hpp
 	pv/widgets/sweeptimingwidget.hpp

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

pv/widgets/importmenu.hpp

@@ -0,0 +1,59 @@
+/*
+ * 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
+ */
+
+#ifndef PULSEVIEW_PV_WIDGETS_IMPORTMENU_HPP
+#define PULSEVIEW_PV_WIDGETS_IMPORTMENU_HPP
+
+#include <memory>
+
+#include <QMenu>
+#include <QSignalMapper>
+
+namespace sigrok {
+class Context;
+class InputFormat;
+}
+
+namespace pv {
+namespace widgets {
+
+class ImportMenu : public QMenu
+{
+	Q_OBJECT;
+
+public:
+	ImportMenu(QWidget *parent, std::shared_ptr<sigrok::Context> context,
+		QAction *open_action = nullptr);
+
+private Q_SLOTS:
+	void on_action(QObject *action);
+
+Q_SIGNALS:
+	void format_selected(std::shared_ptr<sigrok::InputFormat> format);
+
+private:
+	std::shared_ptr<sigrok::Context> context_;
+	QSignalMapper mapper_;
+};
+
+} // widgets
+} // pv
+
+#endif // PULSEVIEW_PV_WIDGETS_IMPORTMENU_HPP