freebsd-dev/gnu/lib/libdialog/dialog.priv.h
Jordan K. Hubbard a59ff6e254 Go on one of my periodic rampages through this code, trying to make
it DTRT.  In the process, discover the usual 10-15 evil bogons which
have been lurking in it for years.  This closes, for one thing, the
recent report Mike Smith made about nested checklist menus returning
with the scrolling region messed up.
1997-01-17 08:19:19 +00:00

183 lines
4.4 KiB
C

/*
* 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>
#if defined(LOCALE)
#include <locale.h>
#endif
/*
* Change these if you want
*/
#define USE_SHADOW TRUE
#define USE_COLORS TRUE
#define ESC 27
#define TAB 9
#define BUF_SIZE (10*1024)
#ifndef MIN
#define MIN(x,y) (x < y ? x : y)
#endif
#ifndef MAX
#define MAX(x,y) (x > y ? x : y)
#endif
#ifndef ctrl
#define ctrl(a) ((a) - 'a' + 1)
#endif
#ifndef HAVE_NCURSES
#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
#endif /* HAVE_NCURSES */
/* Travel key conventions */
#define KEY_IS_UP(key) ((key) == KEY_UP || (key) == '-' || key == '\020' /* ^P */)
#define KEY_IS_DOWN(key) ((key) == KEY_DOWN || (key) == '+' || key == '\016' /* ^N */)
/*
* Global variables
*/
#ifdef __DIALOG_MAIN__
#ifdef HAVE_NCURSES
/* use colors by default? */
bool use_colors = USE_COLORS;
/* shadow dialog boxes by default?
Note that 'use_shadow' implies 'use_colors' */
bool use_shadow = USE_SHADOW;
#endif
/*
* Attribute values, default is for mono display
*/
chtype attributes[] = {
A_NORMAL, /* screen_attr */
A_NORMAL, /* shadow_attr */
A_REVERSE, /* dialog_attr */
A_REVERSE, /* title_attr */
A_REVERSE, /* border_attr */
A_BOLD, /* button_active_attr */
A_DIM, /* button_inactive_attr */
A_UNDERLINE, /* button_key_active_attr */
A_UNDERLINE, /* button_key_inactive_attr */
A_NORMAL, /* button_label_active_attr */
A_NORMAL, /* button_label_inactive_attr */
A_REVERSE, /* inputbox_attr */
A_REVERSE, /* inputbox_border_attr */
A_REVERSE, /* searchbox_attr */
A_REVERSE, /* searchbox_title_attr */
A_REVERSE, /* searchbox_border_attr */
A_REVERSE, /* position_indicator_attr */
A_REVERSE, /* menubox_attr */
A_REVERSE, /* menubox_border_attr */
A_REVERSE, /* item_attr */
A_NORMAL, /* item_selected_attr */
A_REVERSE, /* tag_attr */
A_REVERSE, /* tag_selected_attr */
A_NORMAL, /* tag_key_attr */
A_BOLD, /* tag_key_selected_attr */
A_REVERSE, /* check_attr */
A_REVERSE, /* check_selected_attr */
A_REVERSE, /* uarrow_attr */
A_REVERSE /* darrow_attr */
};
#else
#ifdef HAVE_NCURSES
extern bool use_colors;
#endif
#endif /* __DIALOG_MAIN__ */
#ifdef HAVE_NCURSES
/*
* Function prototypes
*/
#ifdef __DIALOG_MAIN__
extern int parse_rc(void);
#endif /* __DIALOG_MAIN__ */
#endif
#ifdef HAVE_NCURSES
void color_setup(void);
#endif
void attr_clear(WINDOW *win, int height, int width, chtype attr);
void print_autowrap(WINDOW *win, unsigned char *prompt, int height, int width, int maxwidth,
int y, int x, int center, int rawmode);
void print_button(WINDOW *win, unsigned char *label, int y, int x, int selected);
FILE *raw_popen(const char *program, char * const *argv, const char *type);
int raw_pclose(FILE *iop);
void display_helpfile(void);
void display_helpline(WINDOW *w, int y, int width);
void print_arrows(WINDOW *dialog, int scroll, int menu_height, int item_no, int box_x,
int box_y, int tag_x, int cur_x, int cur_y);