/*

  *  dialog.h -- common declarations for all dialog modules

  *

  *  AUTHOR: Savio Lam (lam836@cs.cuhk.hk)

  *

  *  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.

  */

 #include <sys/types.h>

 #include <fcntl.h>

 #include <unistd.h>

 #include <ctype.h>

 #include <stdlib.h>

 #include <string.h>

 #include <stdbool.h>

 #ifndef KBUILD_NO_NLS

 # include <libintl.h>

 #else

 # define gettext(Msgid) ((const char *) (Msgid))

 #endif

 #ifdef __sun__

 #define CURS_MACROS

 #endif

 #include CURSES_LOC

 /*

  * Colors in ncurses 1.9.9e do not work properly since foreground and

  * background colors are OR'd rather than separately masked.  This version

  * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible

  * with standard curses.  The simplest fix (to make this work with standard

  * curses) uses the wbkgdset() function, not used in the original hack.

  * Turn it off if we're building with 1.9.9e, since it just confuses things.

  */

 #if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE)

 #define OLD_NCURSES 1

 #undef  wbkgdset

 #define wbkgdset(w,p)		/*nothing */

 #else

 #define OLD_NCURSES 0

 #endif

 #define TR(params) _tracef params

 #define KEY_ESC 27

 #define TAB 9

 #define MAX_LEN 2048

 #define BUF_SIZE (10*1024)

 #define MIN(x,y) (x < y ? x : y)

 #define MAX(x,y) (x > y ? x : y)

 #ifndef ACS_ULCORNER

 #define ACS_ULCORNER '+'

 #endif

 #ifndef ACS_LLCORNER

 #define ACS_LLCORNER '+'

 #endif

 #ifndef ACS_URCORNER

 #define ACS_URCORNER '+'

 #endif

 #ifndef ACS_LRCORNER

 #define ACS_LRCORNER '+'

 #endif

 #ifndef ACS_HLINE

 #define ACS_HLINE '-'

 #endif

 #ifndef ACS_VLINE

 #define ACS_VLINE '|'

 #endif

 #ifndef ACS_LTEE

 #define ACS_LTEE '+'

 #endif

 #ifndef ACS_RTEE

 #define ACS_RTEE '+'

 #endif

 #ifndef ACS_UARROW

 #define ACS_UARROW '^'

 #endif

 #ifndef ACS_DARROW

 #define ACS_DARROW 'v'

 #endif

 /* error return codes */

 #define ERRDISPLAYTOOSMALL (KEY_MAX + 1)

 /*

  *   Color definitions

  */

 struct dialog_color {

 	chtype atr;	/* Color attribute */

 	int fg;		/* foreground */

 	int bg;		/* background */

 	int hl;		/* highlight this item */

 };

 struct dialog_info {

 	const char *backtitle;

 	struct dialog_color screen;

 	struct dialog_color shadow;

 	struct dialog_color dialog;

 	struct dialog_color title;

 	struct dialog_color border;

 	struct dialog_color button_active;

 	struct dialog_color button_inactive;

 	struct dialog_color button_key_active;

 	struct dialog_color button_key_inactive;

 	struct dialog_color button_label_active;

 	struct dialog_color button_label_inactive;

 	struct dialog_color inputbox;

 	struct dialog_color inputbox_border;

 	struct dialog_color searchbox;

 	struct dialog_color searchbox_title;

 	struct dialog_color searchbox_border;

 	struct dialog_color position_indicator;

 	struct dialog_color menubox;

 	struct dialog_color menubox_border;

 	struct dialog_color item;

 	struct dialog_color item_selected;

 	struct dialog_color tag;

 	struct dialog_color tag_selected;

 	struct dialog_color tag_key;

 	struct dialog_color tag_key_selected;

 	struct dialog_color check;

 	struct dialog_color check_selected;

 	struct dialog_color uarrow;

 	struct dialog_color darrow;

 };

 /*

  * Global variables

  */

 extern struct dialog_info dlg;

 extern char dialog_input_result[];

 /*

  * Function prototypes

  */

 /* item list as used by checklist and menubox */

 void item_reset(void);

 void item_make(const char *fmt, ...);

 void item_add_str(const char *fmt, ...);

 void item_set_tag(char tag);

 void item_set_data(void *p);

 void item_set_selected(int val);

 int item_activate_selected(void);

 void *item_data(void);

 char item_tag(void);

 /* item list manipulation for lxdialog use */

 #define MAXITEMSTR 200

 struct dialog_item {

 	char str[MAXITEMSTR];	/* promtp displayed */

 	char tag;

 	void *data;	/* pointer to menu item - used by menubox+checklist */

 	int selected;	/* Set to 1 by dialog_*() function if selected. */

 };

 /* list of lialog_items */

 struct dialog_list {

 	struct dialog_item node;

 	struct dialog_list *next;

 };

 extern struct dialog_list *item_cur;

 extern struct dialog_list item_nil;

 extern struct dialog_list *item_head;

 int item_count(void);

 void item_set(int n);

 int item_n(void);

 const char *item_str(void);

 int item_is_selected(void);

 int item_is_tag(char tag);

 #define item_foreach() \

 	for (item_cur = item_head ? item_head: item_cur; \

 	     item_cur && (item_cur != &item_nil); item_cur = item_cur->next)

 /* generic key handlers */

 int on_key_esc(WINDOW *win);

 int on_key_resize(void);

 int init_dialog(const char *backtitle);

 void set_dialog_backtitle(const char *backtitle);

 void end_dialog(int x, int y);

 void attr_clear(WINDOW * win, int height, int width, chtype attr);

 void dialog_clear(void);

 void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x);

 void print_button(WINDOW * win, const char *label, int y, int x, int selected);

 void print_title(WINDOW *dialog, const char *title, int width);

 void draw_box(WINDOW * win, int y, int x, int height, int width, chtype box,

 	      chtype border);

 void draw_shadow(WINDOW * win, int y, int x, int height, int width);

 int first_alpha(const char *string, const char *exempt);

 int dialog_yesno(const char *title, const char *prompt, int height, int width);

 int dialog_msgbox(const char *title, const char *prompt, int height,

 		  int width, int pause);

 int dialog_textbox(const char *title, const char *file, int height, int width);

 int dialog_menu(const char *title, const char *prompt,

 		const void *selected, int *s_scroll);

 int dialog_checklist(const char *title, const char *prompt, int height,

 		     int width, int list_height);

 extern char dialog_input_result[];

 int dialog_inputbox(const char *title, const char *prompt, int height,

 		    int width, const char *init);

 /*

  * This is the base for fictitious keys, which activate

  * the buttons.

  *

  * Mouse-generated keys are the following:

  *   -- the first 32 are used as numbers, in addition to '0'-'9'

  *   -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o')

  *   -- uppercase chars are used to invoke the button (M_EVENT + 'O')

  */

 #define M_EVENT (KEY_MAX+1)