#ifndef EL__BFU_BUTTON_H
#define EL__BFU_BUTTON_H

#include "bfu/common.h"
#include "util/align.h"

struct dialog;
struct terminal;
struct widget_data;

typedef void (done_handler_T)(void *);

struct widget_info_button {
	int flags;
	int hotkey_pos;	/* -1 means no hotkey, hotkeys are marked by ~. */
	int textlen;	/* Text length without hotkey */
	int truetextlen; /* Original text length (with hotkey if any) */
	/* Used by some default handlers like ok_dialog()
	 * as a callback. */
	done_handler_T *done;
	void *done_data;
};

/* Button flags, go into widget.gid */
#define B_ENTER		1
#define B_ESC		2

/* Define to find buttons without keyboard accelerator. */
/* #define DEBUG_BUTTON_HOTKEY */


#ifdef DEBUG_BUTTON_HOTKEY
void add_dlg_button_do(const unsigned char *file, int line, struct dialog *dlg, unsigned char *text, int flags, widget_handler_T *handler, void *data, done_handler_T *done, void *done_data);
#define add_dlg_ok_button(dlg, text, flags, done, data)	\
	add_dlg_button_do(__FILE__, __LINE__, dlg, text, flags, ok_dialog, NULL, done, data)

#define add_dlg_button(dlg, text, flags, handler, data)	\
	add_dlg_button_do(__FILE__, __LINE__, dlg, text, flags, handler, data, NULL, NULL)

#else
void add_dlg_button_do(struct dialog *dlg, unsigned char *text, int flags, widget_handler_T *handler, void *data, done_handler_T *done, void *done_data);

#define add_dlg_ok_button(dlg, text, flags, done, data)	\
	add_dlg_button_do(dlg, text, flags, ok_dialog, NULL, done, data)

#define add_dlg_button(dlg, text, flags, handler, data)	\
	add_dlg_button_do(dlg, text, flags, handler, data, NULL, NULL)
#endif

extern const struct widget_ops button_ops;
void dlg_format_buttons(struct terminal *, struct widget_data *, int, int, int *, int, int *, enum format_align, int);

#endif