roo_e/roo-e/src/gui/widgets/vscroll.h
2022-08-31 16:03:49 -05:00

56 lines
1.7 KiB
C

/*
* 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