#ifndef _DIALOG_H_INCLUDE
#define _DIALOG_H_INCLUDE

/*
 *  dialog.h -- common declarations for all dialog modules
 *
 *  AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
 *
 *	Substantial rennovation:  12/18/95, Jordan K. Hubbard
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program 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 General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * $FreeBSD: src/gnu/lib/libdialog/dialog.h,v 1.22 2000/12/14 02:35:22 jkh Exp $
 *
 */

#define HAVE_NCURSES

#ifdef HAVE_NCURSES
#include <ncurses.h>

#else

#ifdef ultrix
#include <cursesX.h>
#else
#include <curses.h>
#endif

#endif

/* special return codes for `fire' actions */
#define DITEM_STATUS(flag)	((flag) & 0x0000FFFF)
#define DITEM_SUCCESS		0
#define DITEM_FAILURE		1

/* Flags - returned in upper 16 bits of return status */
#define DITEM_LEAVE_MENU	(1 << 16)
#define DITEM_REDRAW		(1 << 17)
#define DITEM_RECREATE		(1 << 18)
#define DITEM_RESTORE		(1 << 19)
#define DITEM_CONTINUE		(1 << 20)

/* Attributes as used by entry fields right now */
#define DITEM_NO_ECHO		0x0001


/* negative offsets for buttons in item lists, if specified */
#define OK_BUTTON		-2
#define CANCEL_BUTTON		-1

/* for use in describing more exotic behaviors */
typedef struct _dmenu_item {
  char *prompt;
  char *title;
  int (*checked)(struct _dmenu_item *self);
  int (*fire)(struct _dmenu_item *self);
  void (*selected)(struct _dmenu_item *self, int is_selected);
  void *data;
  char lbra, mark, rbra;
  long aux;
} dialogMenuItem;

#define VERSION "0.4"
#define MAX_LEN 2048

#ifndef TRUE
#define TRUE (1)
#endif
#ifndef FALSE
#define FALSE (0)
#endif

extern int DialogX, DialogY, DialogInputAttrs;

/*
 * Attribute names
 */
#define screen_attr                   attributes[0]
#define shadow_attr                   attributes[1]
#define dialog_attr                   attributes[2]
#define title_attr                    attributes[3]
#define border_attr                   attributes[4]
#define button_active_attr            attributes[5]
#define button_inactive_attr          attributes[6]
#define button_key_active_attr        attributes[7]
#define button_key_inactive_attr      attributes[8]
#define button_label_active_attr      attributes[9]
#define button_label_inactive_attr    attributes[10]
#define inputbox_attr                 attributes[11]
#define inputbox_border_attr          attributes[12]
#define searchbox_attr                attributes[13]
#define searchbox_title_attr          attributes[14]
#define searchbox_border_attr         attributes[15]
#define position_indicator_attr       attributes[16]
#define menubox_attr                  attributes[17]
#define menubox_border_attr           attributes[18]
#define item_attr                     attributes[19]
#define item_selected_attr            attributes[20]
#define tag_attr                      attributes[21]
#define tag_selected_attr             attributes[22]
#define tag_key_attr                  attributes[23]
#define tag_key_selected_attr         attributes[24]
#define check_attr                    attributes[25]
#define check_selected_attr           attributes[26]
#define uarrow_attr                   attributes[27]
#define darrow_attr                   attributes[28]

/* number of attributes */
#define ATTRIBUTE_COUNT               29

extern chtype attributes[];

#ifdef HAVE_NCURSES
extern bool use_shadow;
void draw_shadow(WINDOW *win, int y, int x, int height, int width);
#endif
void draw_box(WINDOW *win, int y, int x, int height, int width, chtype box, chtype border);
int line_edit(WINDOW *dialog, int box_y, int box_x, int flen, int box_width, chtype attrs, int first, unsigned char *result, int attr_mask);
int     strheight(const char *p);
int     strwidth(const char *p);

void dialog_create_rc(unsigned char *filename);
int dialog_yesno(unsigned char *title, unsigned char *prompt, int height, int width);
int dialog_noyes(unsigned char *title, unsigned char *prompt, int height, int width);
int dialog_prgbox(unsigned char *title, const unsigned char *line, int height, int width, int pause, int use_shell);
int dialog_msgbox(unsigned char *title, unsigned char *prompt, int height, int width, int pause);
int dialog_textbox(unsigned char *title, unsigned char *file, int height, int width);
int dialog_menu(unsigned char *title, unsigned char *prompt, int height, int width, int menu_height,
		int item_no, void *itptr, unsigned char *result, int *ch, int *sc);
int dialog_checklist(unsigned char *title, unsigned char *prompt, int height, int width, int list_height,
		     int item_no, void *itptr, unsigned char *result);
int dialog_radiolist(unsigned char *title, unsigned char *prompt, int height, int width, int list_height,
		     int item_no, void *itptr, unsigned char *result);
int dialog_inputbox(unsigned char *title, unsigned char *prompt, int height, int width, unsigned char *result);
void dialog_clear_norefresh(void);
void dialog_clear(void);
void dialog_update(void);
void init_dialog(void);
void end_dialog(void);

/* Additions to libdialog */
char *dialog_fselect(char *dir, char *fmask);
int  dialog_dselect(char *dir, char *fmask);
void dialog_notify(char *msg);
int  dialog_mesgbox(unsigned char *title, unsigned char *prompt, int height, int width);
void use_helpfile(char *helpfile);
void use_helpline(char *helpline);
char *get_helpline(void);
void restore_helpline(char *helpline);
void dialog_gauge(char *title, char *prompt, int y, int x, int height, int width, int perc);

/*
 * Display a tree menu from file
 *
 * filename	- file with like find(1) output
 * FS		- fields separator
 * title	- title of dialog box
 * prompt	- prompt text into dialog box
 * height	- height of dialog box
 * width	- width of dialog box
 * menu_height	- height of menu box
 * result	- pointer to char array
 *
 * return values:
 * -1		- ESC pressed
 * 0		- Ok, result set (must be freed later)
 * 1		- Cancel
 */
int dialog_ftree(unsigned char *filename, unsigned char FS,
		unsigned char *title, unsigned char *prompt, 
			int height, int width, int menu_height, 
					unsigned char **result);

/*
 * Display a tree menu from array
 *
 * names	- array with like find(1) output
 * size		- size of array
 * FS		- fields separator
 * title	- title of dialog box
 * prompt	- prompt text into dialog box
 * height	- height of dialog box
 * width	- width of dialog box
 * menu_height	- height of menu box
 * result	- pointer to char array
 *
 * return values:
 * -1		- ESC pressed
 * 0		- Ok, result set
 * 1		- Cancel
 */
 
int dialog_tree(unsigned char **names, int size, unsigned char FS,
		unsigned char *title, unsigned char *prompt, 
			int height, int width, int menu_height, 
					unsigned char **result);

#endif /* _DIALOG_H_INCLUDE */
