yann@1: /*
yann@1:  *  dialog.h -- common declarations for all dialog modules
yann@1:  *
yann@1:  *  AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
yann@1:  *
yann@1:  *  This program is free software; you can redistribute it and/or
yann@1:  *  modify it under the terms of the GNU General Public License
yann@1:  *  as published by the Free Software Foundation; either version 2
yann@1:  *  of the License, or (at your option) any later version.
yann@1:  *
yann@1:  *  This program is distributed in the hope that it will be useful,
yann@1:  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
yann@1:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
yann@1:  *  GNU General Public License for more details.
yann@1:  *
yann@1:  *  You should have received a copy of the GNU General Public License
yann@1:  *  along with this program; if not, write to the Free Software
yann@1:  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
yann@1:  */
yann@1: 
yann@1: #include <sys/types.h>
yann@1: #include <fcntl.h>
yann@1: #include <unistd.h>
yann@1: #include <ctype.h>
yann@1: #include <stdlib.h>
yann@1: #include <string.h>
yann@1: #include <stdbool.h>
yann@1: 
yann@943: #ifndef KBUILD_NO_NLS
yann@943: # include <libintl.h>
yann@943: #else
yann@943: # define gettext(Msgid) ((const char *) (Msgid))
yann@943: #endif
yann@943: 
yann@1: #ifdef __sun__
yann@1: #define CURS_MACROS
yann@1: #endif
yann@1: #include CURSES_LOC
yann@1: 
yann@1: /*
yann@1:  * Colors in ncurses 1.9.9e do not work properly since foreground and
yann@1:  * background colors are OR'd rather than separately masked.  This version
yann@1:  * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible
yann@1:  * with standard curses.  The simplest fix (to make this work with standard
yann@1:  * curses) uses the wbkgdset() function, not used in the original hack.
yann@1:  * Turn it off if we're building with 1.9.9e, since it just confuses things.
yann@1:  */
yann@1: #if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE)
yann@1: #define OLD_NCURSES 1
yann@1: #undef  wbkgdset
yann@1: #define wbkgdset(w,p)		/*nothing */
yann@1: #else
yann@1: #define OLD_NCURSES 0
yann@1: #endif
yann@1: 
yann@1: #define TR(params) _tracef params
yann@1: 
yann@1: #define KEY_ESC 27
yann@1: #define TAB 9
yann@1: #define MAX_LEN 2048
yann@1: #define BUF_SIZE (10*1024)
yann@1: #define MIN(x,y) (x < y ? x : y)
yann@1: #define MAX(x,y) (x > y ? x : y)
yann@1: 
yann@1: #ifndef ACS_ULCORNER
yann@1: #define ACS_ULCORNER '+'
yann@1: #endif
yann@1: #ifndef ACS_LLCORNER
yann@1: #define ACS_LLCORNER '+'
yann@1: #endif
yann@1: #ifndef ACS_URCORNER
yann@1: #define ACS_URCORNER '+'
yann@1: #endif
yann@1: #ifndef ACS_LRCORNER
yann@1: #define ACS_LRCORNER '+'
yann@1: #endif
yann@1: #ifndef ACS_HLINE
yann@1: #define ACS_HLINE '-'
yann@1: #endif
yann@1: #ifndef ACS_VLINE
yann@1: #define ACS_VLINE '|'
yann@1: #endif
yann@1: #ifndef ACS_LTEE
yann@1: #define ACS_LTEE '+'
yann@1: #endif
yann@1: #ifndef ACS_RTEE
yann@1: #define ACS_RTEE '+'
yann@1: #endif
yann@1: #ifndef ACS_UARROW
yann@1: #define ACS_UARROW '^'
yann@1: #endif
yann@1: #ifndef ACS_DARROW
yann@1: #define ACS_DARROW 'v'
yann@1: #endif
yann@1: 
yann@1: /* error return codes */
yann@1: #define ERRDISPLAYTOOSMALL (KEY_MAX + 1)
yann@1: 
yann@1: /*
yann@1:  *   Color definitions
yann@1:  */
yann@1: struct dialog_color {
yann@1: 	chtype atr;	/* Color attribute */
yann@1: 	int fg;		/* foreground */
yann@1: 	int bg;		/* background */
yann@1: 	int hl;		/* highlight this item */
yann@1: };
yann@1: 
yann@1: struct dialog_info {
yann@1: 	const char *backtitle;
yann@1: 	struct dialog_color screen;
yann@1: 	struct dialog_color shadow;
yann@1: 	struct dialog_color dialog;
yann@1: 	struct dialog_color title;
yann@1: 	struct dialog_color border;
yann@1: 	struct dialog_color button_active;
yann@1: 	struct dialog_color button_inactive;
yann@1: 	struct dialog_color button_key_active;
yann@1: 	struct dialog_color button_key_inactive;
yann@1: 	struct dialog_color button_label_active;
yann@1: 	struct dialog_color button_label_inactive;
yann@1: 	struct dialog_color inputbox;
yann@1: 	struct dialog_color inputbox_border;
yann@1: 	struct dialog_color searchbox;
yann@1: 	struct dialog_color searchbox_title;
yann@1: 	struct dialog_color searchbox_border;
yann@1: 	struct dialog_color position_indicator;
yann@1: 	struct dialog_color menubox;
yann@1: 	struct dialog_color menubox_border;
yann@1: 	struct dialog_color item;
yann@1: 	struct dialog_color item_selected;
yann@1: 	struct dialog_color tag;
yann@1: 	struct dialog_color tag_selected;
yann@1: 	struct dialog_color tag_key;
yann@1: 	struct dialog_color tag_key_selected;
yann@1: 	struct dialog_color check;
yann@1: 	struct dialog_color check_selected;
yann@1: 	struct dialog_color uarrow;
yann@1: 	struct dialog_color darrow;
yann@1: };
yann@1: 
yann@1: /*
yann@1:  * Global variables
yann@1:  */
yann@1: extern struct dialog_info dlg;
yann@1: extern char dialog_input_result[];
yann@1: 
yann@1: /*
yann@1:  * Function prototypes
yann@1:  */
yann@1: 
yann@1: /* item list as used by checklist and menubox */
yann@1: void item_reset(void);
yann@1: void item_make(const char *fmt, ...);
yann@1: void item_add_str(const char *fmt, ...);
yann@1: void item_set_tag(char tag);
yann@1: void item_set_data(void *p);
yann@1: void item_set_selected(int val);
yann@1: int item_activate_selected(void);
yann@1: void *item_data(void);
yann@1: char item_tag(void);
yann@1: 
yann@1: /* item list manipulation for lxdialog use */
yann@1: #define MAXITEMSTR 200
yann@1: struct dialog_item {
yann@1: 	char str[MAXITEMSTR];	/* promtp displayed */
yann@1: 	char tag;
yann@1: 	void *data;	/* pointer to menu item - used by menubox+checklist */
yann@1: 	int selected;	/* Set to 1 by dialog_*() function if selected. */
yann@1: };
yann@1: 
yann@1: /* list of lialog_items */
yann@1: struct dialog_list {
yann@1: 	struct dialog_item node;
yann@1: 	struct dialog_list *next;
yann@1: };
yann@1: 
yann@1: extern struct dialog_list *item_cur;
yann@1: extern struct dialog_list item_nil;
yann@1: extern struct dialog_list *item_head;
yann@1: 
yann@1: int item_count(void);
yann@1: void item_set(int n);
yann@1: int item_n(void);
yann@1: const char *item_str(void);
yann@1: int item_is_selected(void);
yann@1: int item_is_tag(char tag);
yann@1: #define item_foreach() \
yann@1: 	for (item_cur = item_head ? item_head: item_cur; \
yann@1: 	     item_cur && (item_cur != &item_nil); item_cur = item_cur->next)
yann@1: 
yann@1: /* generic key handlers */
yann@1: int on_key_esc(WINDOW *win);
yann@1: int on_key_resize(void);
yann@1: 
yann@943: int init_dialog(const char *backtitle);
yann@943: void set_dialog_backtitle(const char *backtitle);
yann@943: void end_dialog(int x, int y);
yann@1: void attr_clear(WINDOW * win, int height, int width, chtype attr);
yann@1: void dialog_clear(void);
yann@1: void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x);
yann@1: void print_button(WINDOW * win, const char *label, int y, int x, int selected);
yann@1: void print_title(WINDOW *dialog, const char *title, int width);
yann@1: void draw_box(WINDOW * win, int y, int x, int height, int width, chtype box,
yann@1: 	      chtype border);
yann@1: void draw_shadow(WINDOW * win, int y, int x, int height, int width);
yann@1: 
yann@1: int first_alpha(const char *string, const char *exempt);
yann@1: int dialog_yesno(const char *title, const char *prompt, int height, int width);
yann@1: int dialog_msgbox(const char *title, const char *prompt, int height,
yann@1: 		  int width, int pause);
yann@1: int dialog_textbox(const char *title, const char *file, int height, int width);
yann@1: int dialog_menu(const char *title, const char *prompt,
yann@1: 		const void *selected, int *s_scroll);
yann@1: int dialog_checklist(const char *title, const char *prompt, int height,
yann@1: 		     int width, int list_height);
yann@1: extern char dialog_input_result[];
yann@1: int dialog_inputbox(const char *title, const char *prompt, int height,
yann@1: 		    int width, const char *init);
yann@1: 
yann@1: /*
yann@1:  * This is the base for fictitious keys, which activate
yann@1:  * the buttons.
yann@1:  *
yann@1:  * Mouse-generated keys are the following:
yann@1:  *   -- the first 32 are used as numbers, in addition to '0'-'9'
yann@1:  *   -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o')
yann@1:  *   -- uppercase chars are used to invoke the button (M_EVENT + 'O')
yann@1:  */
yann@1: #define M_EVENT (KEY_MAX+1)