Move Quicktune code to util/ (#8871)

src/util/quicktune_shortcutter.h

@@ -0,0 +1,84 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
+
+#include "quicktune.h"
+
+class QuicktuneShortcutter
+{
+private:
+	std::vector<std::string> m_names;
+	u32 m_selected_i;
+	std::string m_message;
+public:
+	bool hasMessage() const
+	{
+		return !m_message.empty();
+	}
+
+	std::string getMessage()
+	{
+		std::string s = m_message;
+		m_message = "";
+		if (!s.empty())
+			return std::string("[quicktune] ") + s;
+		return "";
+	}
+	std::string getSelectedName()
+	{
+		if(m_selected_i < m_names.size())
+			return m_names[m_selected_i];
+		return "(nothing)";
+	}
+	void next()
+	{
+		m_names = getQuicktuneNames();
+		if(m_selected_i < m_names.size()-1)
+			m_selected_i++;
+		else
+			m_selected_i = 0;
+		m_message = std::string("Selected \"")+getSelectedName()+"\"";
+	}
+	void prev()
+	{
+		m_names = getQuicktuneNames();
+		if(m_selected_i > 0)
+			m_selected_i--;
+		else
+			m_selected_i = m_names.size()-1;
+		m_message = std::string("Selected \"")+getSelectedName()+"\"";
+	}
+	void inc()
+	{
+		QuicktuneValue val = getQuicktuneValue(getSelectedName());
+		val.relativeAdd(0.05);
+		m_message = std::string("\"")+getSelectedName()
+				+"\" = "+val.getString();
+		setQuicktuneValue(getSelectedName(), val);
+	}
+	void dec()
+	{
+		QuicktuneValue val = getQuicktuneValue(getSelectedName());
+		val.relativeAdd(-0.05);
+		m_message = std::string("\"")+getSelectedName()
+				+"\" = "+val.getString();
+		setQuicktuneValue(getSelectedName(), val);
+	}
+};