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/* $OpenBSD: engine.h,v 1.14 2021/07/02 15:34:16 millert Exp $ */
/*
* Copyright (c) 2001, 2007 Can Erkin Acar <canacar@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _ENGINE_H_
#define _ENGINE_H_
#include <curses.h>
#define DEFAULT_WIDTH 80
#define DEFAULT_HEIGHT 25
/* XXX do not hardcode! */
#define HEADER_LINES 4
#define CTRL_A 1
#define CTRL_B 2
#define CTRL_E 5
#define CTRL_F 6
#define CTRL_G 7
#define CTRL_H 8
#define CTRL_L 12
#define CTRL_N 14
#define CTRL_P 16
#define CTRL_V 22
#define META_V 246
#define MAX_LINE_BUF 1024
#define FLD_ALIGN_LEFT 0
#define FLD_ALIGN_RIGHT 1
#define FLD_ALIGN_CENTER 2
#define FLD_ALIGN_COLUMN 3
#define FLD_ALIGN_BAR 4
#define FLD_FLAG_HIDDEN 1
typedef struct {
const char *title;
int norm_width;
int max_width;
int increment;
int align;
int start;
int width;
unsigned flags;
int arg;
} field_def;
typedef struct {
char *name;
char *match;
int hotkey;
int (*func) (const void *, const void *);
} order_type;
struct view_manager {
char *name;
int (*select_fn) (void);
int (*read_fn) (void);
void (*sort_fn) (void);
int (*header_fn) (void);
void (*print_fn) (void);
int (*key_fn) (int);
order_type *order_list;
order_type *order_curr;
};
typedef struct {
field_def **view;
char *name;
int hotkey;
struct view_manager *mgr;
} field_view;
struct command {
char *prompt;
void ( *exec)(const char *);
};
enum message_mode {
MESSAGE_NONE,
MESSAGE_HELP,
MESSAGE_VIEW,
MESSAGE_ORDER
};
void tb_start(void);
void tb_end(void);
int tbprintf(char *format, ...) GCC_PRINTFLIKE(1,2);
int tbprintft(char *format, ...) GCC_PRINTFLIKE(1,2);
void end_line(void);
void end_page(void);
void print_fld_str(field_def *, const char *);
void print_fld_age(field_def *, unsigned int);
void print_fld_sdiv(field_def *, u_int64_t, int);
void print_fld_size(field_def *, u_int64_t);
void print_fld_ssdiv(field_def *, int64_t, int);
void print_fld_ssize(field_def *, int64_t);
void print_fld_bw(field_def *, double);
void print_fld_rate(field_def *, double);
void print_fld_uint(field_def *, unsigned int);
void print_fld_float(field_def *, double, int);
void print_fld_bar(field_def *, int);
void print_fld_tb(field_def *);
void print_title(void);
void hide_field(field_def *fld);
void show_field(field_def *fld);
void field_setup(void);
void add_view(field_view *fv);
int set_view(const char *opt);
void next_view(void);
void prev_view(void);
int foreach_order(void (*callback)(order_type *));
void set_order(const char *opt);
void next_order(void);
void show_help(void);
void show_view(void);
void show_order(void);
void setup_term(int maxpr);
int check_termcap(void);
void refresh_delay(double delay);
void engine_initialize(void);
void engine_loop(int countmax);
struct command *command_set(struct command *cmd, const char *init);
void message_toggle(enum message_mode);
const char *message_set(const char *msg);
void foreach_view(void (*callback)(field_view *));
extern int sortdir;
extern int dispstart;
extern int humanreadable;
extern int interactive;
extern int averageonly;
extern int maxprint;
extern int paused;
extern int rawmode;
extern int rawwidth;
extern int columns, lines;
extern int need_update;
extern int need_sort;
extern int separate_thousands;
extern volatile sig_atomic_t gotsig_close;
extern volatile sig_atomic_t gotsig_resize;
extern volatile sig_atomic_t gotsig_alarm;
extern field_view *curr_view;
extern struct view_manager *curr_mgr;
extern char tmp_buf[MAX_LINE_BUF];
extern int curr_line; /* XXX temp */
extern u_int32_t num_disp;
#endif
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