/*
 *	entry2.h
 *	A string entry box class
 *	AYM 1999-04-12
 */


#ifndef YH_ENTRY2		/* To prevent multiple inclusion */
#define YH_ENTRY2		/* To prevent multiple inclusion */


typedef enum
{
    ACT_NONE,
    ACT_VALID,
    ACT_CANCEL
} Entry2_action_t;


class Entry2
{
    typedef enum		// Strictly private to the class
    {
	FF_TYPE = 0xf000,	// Type mask
	FF_ENTRY = 0x0000,	//   Entry
	FF_CHECK = 0x1000,	//   Check button (unimplemented)
	FF_RADIO = 0x2000,	//   Radio button (unimplemented)
	FF_BUTTON = 0x3000,	//   Button (unimplemented)
	FF_SUBTYPE = 0x0f00,	// Subtype mask
	FF_STRING = 0x0000,	//   Entry: String entry
	FF_INTEGER = 0x0100,	//   Entry: Integer entry
	FF_UPPERCASE = 0x0001,	// String entry: upper-case everything
	FF_NONEMPTY = 0x0002,	// String entry: can't be empty
	FF_SIGNED = 0x0001,	// Integer entry: it can be signed (unimplemented)
	FF_INTSIZE = 0x000e,	// Integer entry: size mask
	FF_CHAR = 0x0000,	//   char (signed or unsigned)
	FF_SHORT = 0x0002,	//   short (signed or unsigned)
	FF_INT = 0x0004,	//   int  (signed or unsigned)
	FF_SIZE_T = 0x0006,	//   size_t
	FF_LONG = 0x0008,	//   long (signed or unsigned)
	FF__
    } _field_flags_t;

      public:Entry2(const char *title, const char *fmt, ...);
     ~Entry2();
    int loop();
    Entry2_action_t process_event(const input_status_t & is);
    void refresh();

      private: int count_widgets(const char *fmt);
    int fill_in_widgets_info(const char *fmt, va_list args);
    void do_geom();
    void jump_to_field(size_t field_no);
    void prev_field();
    void next_field();

    // Per-field data
    unsigned short *box_len;
    char **buf;
    unsigned short *buf_max_len;
    const char **caption;
    bool *entry_drawn;
    _field_flags_t *entry_flags;

    // Input
    bool first_key;
    size_t field_no;
    size_t nfields;

    // General display stuff
    const char *title;
    bool background_drawn;

    // Geometry constants
    int entry_hofs;
    int entry_vofs;
    int win_hofs;
    int win_vofs;
    int title_vspacing;

    // Geometry stuff
    bool geom_up_to_date;
    int outer_width;
    int outer_height;
    int vstep;
    int win_x0;
    int win_y0;
    int win_x1;
    int win_y1;
    int title_x0;
    int title_y0;
    int caption_x0;
    int caption_y0;
    int entry_box_x0;
    int entry_box_y0;
    int entry_box_x1;
    int entry_box_y1;
    int entry_text_x0;
    int entry_text_y0;
    int entry_text_x1;
    int entry_text_y1;

    // Convenience functions.
    bool is_integer_entry(_field_flags_t flags)
    {
	return (flags & FF_TYPE) == FF_ENTRY
	    && (flags & FF_SUBTYPE) == FF_INTEGER;
    }

    bool is_string_entry(_field_flags_t flags)
    {
	return (flags & FF_TYPE) == FF_ENTRY
	    && (flags & FF_SUBTYPE) == FF_STRING;
    }
};


#endif /* DO NOT ADD ANYTHING AFTER THIS LINE */