From: Joel Holdsworth <redacted>
Date: Wed, 21 Jan 2015 01:11:22 +0000 (-0500)
Subject: Added InputOutput binding
X-Git-Tag: pulseview-0.3.0~241
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=0c9136370d062b08e47657e12f77518197d89339

Added InputOutput binding
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6848be50..99314d05 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -147,6 +147,7 @@ set(pulseview_SOURCES
 	pv/storesession.cpp
 	pv/util.cpp
 	pv/binding/binding.cpp
+	pv/binding/inputoutput.cpp
 	pv/binding/device.cpp
 	pv/data/analog.cpp
 	pv/data/analogsegment.cpp
diff --git a/pv/binding/inputoutput.cpp b/pv/binding/inputoutput.cpp
new file mode 100644
index 00000000..42ebf062
--- /dev/null
+++ b/pv/binding/inputoutput.cpp
@@ -0,0 +1,114 @@
+/*
+ * 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 <cassert>
+#include <iostream>
+#include <utility>
+
+#include <boost/none_t.hpp>
+
+#include <libsigrokcxx/libsigrokcxx.hpp>
+
+#include <pv/prop/double.hpp>
+#include <pv/prop/enum.hpp>
+#include <pv/prop/int.hpp>
+#include <pv/prop/string.hpp>
+
+#include "inputoutput.hpp"
+
+using boost::none;
+
+using std::make_pair;
+using std::map;
+using std::pair;
+using std::shared_ptr;
+using std::string;
+using std::vector;
+
+using Glib::VariantBase;
+using Glib::VariantType;
+
+using sigrok::Option;
+
+using pv::prop::Double;
+using pv::prop::Enum;
+using pv::prop::Int;
+using pv::prop::Property;
+using pv::prop::String;
+
+namespace pv {
+namespace binding {
+
+InputOutput::InputOutput(
+	const map<string, shared_ptr<Option>> &options)
+{
+	for (pair<string, shared_ptr<Option>> o : options)
+	{
+		const shared_ptr<Option> &opt = o.second;
+		assert(opt);
+
+		const QString name = QString::fromStdString(opt->name());
+		const VariantBase def_val = opt->default_value();
+		const vector<VariantBase> values = opt->values();
+
+		options_[opt->id()] = def_val;
+ 
+		const Property::Getter get = [&, opt]() {
+			return options_[opt->id()]; };
+		const Property::Setter set = [&, opt](VariantBase value) {
+			options_[opt->id()] = value; };
+
+		shared_ptr<Property> prop;
+
+		if (!opt->values().empty())
+			prop = bind_enum(name, values, get, set);
+		else if (def_val.is_of_type(VariantType("d")))
+			prop = shared_ptr<Property>(new Double(name, 2, "",
+				nullptr, nullptr, get, set));
+		else if (def_val.is_of_type(VariantType("u")))
+			prop = shared_ptr<Property>(
+				new Int(name, "", none, get, set));
+		else if (def_val.is_of_type(VariantType("s")))
+			prop = shared_ptr<Property>(
+				new String(name, get, set));
+		else
+			continue;
+
+		properties_.push_back(prop);
+	}
+}
+
+const map<string, VariantBase>& InputOutput::options() const
+{
+	return options_;
+}
+
+shared_ptr<Property> InputOutput::bind_enum(
+	const QString &name, const vector<VariantBase> &values,
+	Property::Getter getter, Property::Setter setter)
+{
+	vector< pair<VariantBase, QString> > enum_vals;
+	for (VariantBase var : values)
+		enum_vals.push_back(make_pair(var, print_gvariant(var)));
+	return shared_ptr<Property>(new Enum(name, enum_vals, getter, setter));
+}
+
+} // namespace binding
+} // namespace pv
diff --git a/pv/binding/inputoutput.hpp b/pv/binding/inputoutput.hpp
new file mode 100644
index 00000000..628b1c4f
--- /dev/null
+++ b/pv/binding/inputoutput.hpp
@@ -0,0 +1,81 @@
+/*
+ * 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_BINDING_INPUTOUTPUT_HPP
+#define PULSEVIEW_PV_BINDING_INPUTOUTPUT_HPP
+
+#include <map>
+#include <memory>
+#include <string>
+
+#include "binding.hpp"
+
+#include <pv/prop/property.hpp>
+
+namespace sigrok {
+class Option;
+}
+
+namespace pv {
+namespace binding {
+
+/**
+ * A binding of glibmm variants for sigrok input and output options.
+ */
+class InputOutput : public Binding
+{
+public:
+	/**
+	 * Constructs a new @c InputOutput binding.
+	 * @param options the map of options to use as a template.
+	 */
+	InputOutput(
+		const std::map<std::string, std::shared_ptr<sigrok::Option>>
+			&options);
+
+	/**
+	 * Gets the map of selected options.
+	 * @return the options.
+	 */
+	const std::map<std::string, Glib::VariantBase>& options() const;
+
+private:
+	/**
+	 * A helper function to bind an option list to and enum property.
+	 * @param name the name of the property.
+	 * @param values the list of values.
+	 * @param getter the getter that will read the values out of the map.
+	 * @param setter the setter that will set the values into the map.
+	 */
+	std::shared_ptr<prop::Property> bind_enum(const QString &name,
+		const std::vector<Glib::VariantBase> &values,
+		prop::Property::Getter getter, prop::Property::Setter setter);
+
+private:
+	/**
+	 * The current map of options.
+	 */
+	std::map<std::string, Glib::VariantBase> options_;
+};
+
+} // binding
+} // pv
+
+#endif // PULSEVIEW_PV_BINDING_INPUTOUTPUT_H