/* -----------------------------------------------------------------------------
 *
 * Giada - Your Hardcore Loopmachine
 *
 * gLiquidScroll
 * custom scroll that tells children to follow scroll's width when
 * resized. Thanks to Greg Ercolano from FLTK dev team.
 * http://seriss.com/people/erco/fltk/
 *
 * -----------------------------------------------------------------------------
 *
 * Copyright (C) 2010-2020 Giovanni A. Zuliani | Monocasual
 *
 * This file is part of Giada - Your Hardcore Loopmachine.
 *
 * Giada - Your Hardcore Loopmachine 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 3 of the License, or (at your option) any later version.
 *
 * Giada - Your Hardcore Loopmachine 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 Giada - Your Hardcore Loopmachine. If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * -------------------------------------------------------------------------- */


#ifndef GE_LIQUID_SCROLL_H
#define GE_LIQUID_SCROLL_H


#include "scroll.h"


class geLiquidScroll : public geScroll
{
public:

	geLiquidScroll(int x, int y, int w, int h);

	void resize(int x, int y, int w, int h) override;

    /* addWidget
    Adds a new widget to the bottom, with proper spacing. */
    
    template<typename T>
    T* addWidget(T* wg)
    {
        int numChildren = countChildren();

        int wx = x();
        int wy = y() - yposition() + (numChildren * (wg->h() + G_GUI_INNER_MARGIN));
        int ww = w() - 24;
        int wh = wg->h();

        wg->resize(wx, wy, ww, wh);
        add(wg);
        redraw();    

        return wg;
    }   
};


#endif
