#include "osgui.ixx"
__EXTERN_C
OSScroll *_osscroll_horizontal(OSControl *control);
OSScroll *_osscroll_vertical(OSControl *control);
void _osscroll_destroy(OSScroll **scroll, OSControl *control);
uint32_t _osscroll_pos(const OSScroll *scroll);
uint32_t _osscroll_trackpos(const OSScroll *scroll);
uint32_t _osscroll_bar_width(const OSScroll *scroll);
uint32_t _osscroll_bar_height(const OSScroll *scroll);
void _osscroll_set_pos(OSScroll *scroll, const uint32_t pos);
void _osscroll_visible(OSScroll *scroll, const bool_t visible);
void _osscroll_config(OSScroll *scroll, const uint32_t pos, const uint32_t max, const uint32_t page);
void _osscroll_frame(OSScroll *scroll, const uint32_t x, const uint32_t y, const uint32_t width, const uint32_t height);
void _osscroll_control_scroll(OSControl *control, const int32_t incr_x, const int32_t incr_y);
__END_C