/*
 *  Roo/E, the Kangaroo Punch Portable GUI Toolkit
 *  Copyright (C) 2022 Scott Duensing
 *
 *  http://kangaroopunch.com
 *
 *
 *  This file is part of Roo/E.
 *
 *  Roo/E is free software: you can redistribute it and/or modify it under the
 *  terms of the GNU Affero General Public License as published by the Free
 *  Software Foundation, either version 3 of the License, or (at your option)
 *  any later version.
 *
 *  Roo/E 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 Affero General Public License
 *  along with Roo/E. If not, see <https://www.gnu.org/licenses/>.
 *
 */


#ifndef VSCROLL_H
#define VSCROLL_H


#include "../gui.h"


typedef struct VscrollS {
	WidgetT        base;         // Required by all widgets.
	int32_t        min;
	int32_t        max;
	int32_t        value;
	int32_t        maxValue;
	RectT          thumb;
	ClickHandlerT  handler;      // Actual event handler.
} VscrollT;


extern uint8_t __MAGIC_VSCROLL;  // Magic ID assigned to us from the GUI.


void        vscrollClickSet(VscrollT *vscroll, ClickHandlerT handler, void *data);
VscrollT   *vscrollCreate(int16_t h,  ClickHandlerT handler, void *data, ...);
void        vscrollHeightSet(VscrollT *vscroll, int16_t h);
void        vscrollRangeSet(VscrollT *vscroll, int32_t min, int32_t max);
RegisterT  *vscrollRegister(uint8_t magic);
int32_t     vscrollValueGet(VscrollT *vscroll);
void        vscrollValueSet(VscrollT *vscroll, int32_t value);


#endif // VSCROLL_H