First implementation of graph vehicles

widgets/vehiclegraph.h

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+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+
+#pragma once
+
+#include "application/uilayer.h"
+
+namespace ui
+{
+
+// inspector of the graph of the occupied vehicle, when it's defined by a .vhg file: values of the ports and the internal
+// states of the blocks, live, with forcing of the signal values
+class vehiclegraph_panel : public ui_panel
+{
+public:
+	vehiclegraph_panel();
+
+	void render_contents() override;
+
+private:
+	std::string m_filter;
+	char m_filterbuffer[64]{};
+	double m_forcevalue{0.0};
+};
+
+} // namespace ui