quicktune_shortcutter.h

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/*
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.clear();
        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);
    }
};