/*	Public domain	*/

#ifndef _AGAR_WIDGET_RADIO_H_
#define _AGAR_WIDGET_RADIO_H_

#include <agar/gui/widget.h>

#include <agar/gui/begin.h>

#ifndef AG_RADIO_TEXT_MAX
#define AG_RADIO_TEXT_MAX (AG_MODEL*2)
#endif

typedef enum ag_radio_type {
	AG_RADIO_VERT,                  /* Vertical disposition */
	AG_RADIO_HORIZ,                 /* Horizontal disposition */
	AG_RADIO_TYPE_LAST
} AG_RadioType;

typedef struct ag_radio_item {
	char text[AG_RADIO_TEXT_MAX];	/* Display text */
	int  surface;			/* Cached surface */
	AG_KeySym hotkey;		/* Associated key (or AG_KEY_NONE) */
} AG_RadioItem;

typedef struct ag_radio {
	struct ag_widget wid;           /* AG_Widget -> AG_Radio */
	AG_RadioType type;              /* Disposition */
	Uint flags;
#define AG_RADIO_HFILL      0x01
#define AG_RADIO_VFILL      0x02
#define AG_RADIO_HOMOGENOUS 0x04	/* Divide space equally between items */
#define AG_RADIO_EXPAND     (AG_RADIO_HFILL | AG_RADIO_VFILL)

	AG_RadioItem *_Nullable items;  /* Array of radio items */
	int                    nItems;

	int hoverItem;        /* Mouse hover item index */
	int extent;           /* Width of widest (or Height of highest) label */
	int value;            /* Default "value" binding */
	int wReq, hReq;       /* Size requisition */
	int wPre, hPre;       /* Size hint */
	int lastKeyDown;      /* For key repeat */
	Uint32 _pad;
	AG_Timer moveTo;      /* Timer for keyboard motion */
} AG_Radio;

#define   AGRADIO(obj)      ((AG_Radio *)(obj))
#define  AGcRADIO(obj)      ((const AG_Radio *)(obj))
#define  AG_RADIO_ISA(o)    (((AGOBJECT(o)->cid & 0xff000000) >> 24) == 0x1F)
#define  AG_RADIO_SELF()    AGRADIO(  AG_OBJECT(0,        "AG_Widget:AG_Radio:*") )
#define  AG_RADIO_PTR(n)    AGRADIO(  AG_OBJECT((n),      "AG_Widget:AG_Radio:*") )
#define  AG_RADIO_NAMED(n)  AGRADIO(  AG_OBJECT_NAMED((n),"AG_Widget:AG_Radio:*") )
#define AG_cRADIO_SELF()   AGcRADIO( AG_cOBJECT(0,        "AG_Widget:AG_Radio:*") )
#define AG_cRADIO_PTR(n)   AGcRADIO( AG_cOBJECT((n),      "AG_Widget:AG_Radio:*") )
#define AG_cRADIO_NAMED(n) AGcRADIO( AG_cOBJECT_NAMED((n),"AG_Widget:AG_Radio:*") )

__BEGIN_DECLS
extern AG_WidgetClass agRadioClass;

AG_Radio *_Nonnull AG_RadioNewInt(void *_Nullable, Uint,
                                  const char *_Nullable *_Nullable, int *_Nonnull);
AG_Radio *_Nonnull AG_RadioNewUint(void *_Nullable, Uint,
                                   const char *_Nullable *_Nullable, Uint *_Nonnull);
AG_Radio *_Nonnull AG_RadioNew(void *_Nullable, Uint, const char *_Nullable *_Nullable);
AG_Radio *_Nonnull AG_RadioNewFn(void *_Nullable, Uint, const char *_Nullable *_Nullable,
                                 _Nonnull AG_EventFn, const char *_Nullable, ...);

void AG_RadioSetDisposition(AG_Radio *_Nonnull, AG_RadioType);
void AG_RadioItemsFromArray(AG_Radio *_Nonnull, const char *_Nonnull *_Nullable);
int  AG_RadioAddItemS(AG_Radio *_Nonnull, const char *_Nonnull);
int  AG_RadioAddItem(AG_Radio *_Nonnull, const char *_Nonnull, ...)
                    FORMAT_ATTRIBUTE(printf,2,3);
int  AG_RadioAddItemHKS(AG_Radio *_Nonnull, AG_KeySym, const char *_Nonnull);
int  AG_RadioAddItemHK(AG_Radio *_Nonnull, AG_KeySym, const char *_Nonnull, ...)
                      FORMAT_ATTRIBUTE(printf,3,4);
void AG_RadioClearItems(AG_Radio *_Nonnull);
void AG_RadioSizeHint(AG_Radio *_Nonnull, int, const char *);
__END_DECLS

#include <agar/gui/close.h>
#endif /* _AGAR_WIDGET_RADIO_H_ */