Annotation of src/usr.bin/systat/engine.h, Revision 1.13
1.13 ! martijn 1: /* $OpenBSD: engine.h,v 1.12 2020/01/12 20:51:08 martijn Exp $ */
1.1 canacar 2: /*
3: * Copyright (c) 2001, 2007 Can Erkin Acar <canacar@openbsd.org>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17:
18: #ifndef _ENGINE_H_
19: #define _ENGINE_H_
20:
21: #include <curses.h>
22:
23: #define DEFAULT_WIDTH 80
24: #define DEFAULT_HEIGHT 25
25:
26: /* XXX do not hardcode! */
27: #define HEADER_LINES 4
28:
29:
30: #define CTRL_A 1
31: #define CTRL_B 2
32: #define CTRL_E 5
33: #define CTRL_F 6
34: #define CTRL_G 7
35: #define CTRL_H 8
36: #define CTRL_L 12
37: #define CTRL_N 14
38: #define CTRL_P 16
39: #define CTRL_V 22
40:
41: #define META_V 246
42:
43: #define MAX_LINE_BUF 1024
44:
45:
46: #define FLD_ALIGN_LEFT 0
47: #define FLD_ALIGN_RIGHT 1
48: #define FLD_ALIGN_CENTER 2
49: #define FLD_ALIGN_COLUMN 3
50: #define FLD_ALIGN_BAR 4
51:
52: #define FLD_FLAG_HIDDEN 1
53:
54:
55: typedef struct {
1.11 dlg 56: const char *title;
1.1 canacar 57: int norm_width;
58: int max_width;
59: int increment;
60: int align;
61: int start;
62: int width;
63: unsigned flags;
64: int arg;
65: } field_def;
66:
67: typedef struct {
68: char *name;
69: char *match;
70: int hotkey;
71: int (*func) (const void *, const void *);
72: } order_type;
73:
74: struct view_manager {
75: char *name;
76: int (*select_fn) (void);
77: int (*read_fn) (void);
78: void (*sort_fn) (void);
79: int (*header_fn) (void);
80: void (*print_fn) (void);
81: int (*key_fn) (int);
82: order_type *order_list;
83: order_type *order_curr;
84: };
85:
86: typedef struct {
87: field_def **view;
88: char *name;
89: int hotkey;
90: struct view_manager *mgr;
91: } field_view;
92:
93: struct command {
94: char *prompt;
1.3 canacar 95: void ( *exec)(const char *);
1.1 canacar 96: };
97:
1.13 ! martijn 98: enum message_mode {
! 99: MESSAGE_NONE,
! 100: MESSAGE_HELP,
! 101: MESSAGE_VIEW,
! 102: MESSAGE_ORDER
! 103: };
1.1 canacar 104:
105: void tb_start(void);
106:
107: void tb_end(void);
108:
109: int tbprintf(char *format, ...) GCC_PRINTFLIKE(1,2);
1.7 mpf 110: int tbprintft(char *format, ...) GCC_PRINTFLIKE(1,2);
1.1 canacar 111:
112: void end_line(void);
113: void end_page(void);
114:
1.5 canacar 115: void print_fld_str(field_def *, const char *);
116: void print_fld_age(field_def *, unsigned int);
117: void print_fld_sdiv(field_def *, u_int64_t, int);
118: void print_fld_size(field_def *, u_int64_t);
119: void print_fld_ssdiv(field_def *, int64_t, int);
120: void print_fld_ssize(field_def *, int64_t);
121: void print_fld_bw(field_def *, double);
122: void print_fld_rate(field_def *, double);
123: void print_fld_uint(field_def *, unsigned int);
124: void print_fld_float(field_def *, double, int);
125: void print_fld_bar(field_def *, int);
126: void print_fld_tb(field_def *);
1.1 canacar 127:
128: void print_title(void);
129:
130: void hide_field(field_def *fld);
131: void show_field(field_def *fld);
132: void field_setup(void);
133:
134: void add_view(field_view *fv);
1.3 canacar 135: int set_view(const char *opt);
1.1 canacar 136: void next_view(void);
137: void prev_view(void);
138:
1.9 martijn 139: int foreach_order(void (*callback)(order_type *));
1.3 canacar 140: void set_order(const char *opt);
1.1 canacar 141: void next_order(void);
1.13 ! martijn 142: void show_help(void);
! 143: void show_view(void);
! 144: void show_order(void);
1.1 canacar 145:
146: void setup_term(int maxpr);
1.6 lum 147: int check_termcap(void);
1.1 canacar 148:
149: void engine_initialize(void);
150: void engine_loop(int countmax);
151:
152: struct command *command_set(struct command *cmd, const char *init);
1.13 ! martijn 153: void message_toggle(enum message_mode);
1.1 canacar 154: const char *message_set(const char *msg);
155:
156: void foreach_view(void (*callback)(field_view *));
157:
158: extern int sortdir;
159: extern useconds_t udelay;
160: extern int dispstart;
1.12 martijn 161: extern int humanreadable;
1.1 canacar 162: extern int interactive;
1.8 reyk 163: extern int averageonly;
1.1 canacar 164: extern int maxprint;
165: extern int paused;
166: extern int rawmode;
167: extern int rawwidth;
168: extern int columns, lines;
169:
170: extern int need_update;
171: extern int need_sort;
1.7 mpf 172: extern int separate_thousands;
1.1 canacar 173:
174: extern volatile sig_atomic_t gotsig_close;
175: extern volatile sig_atomic_t gotsig_resize;
176: extern volatile sig_atomic_t gotsig_alarm;
177:
178: extern field_view *curr_view;
179: extern struct view_manager *curr_mgr;
180:
181: extern char tmp_buf[MAX_LINE_BUF];
182:
183: extern int curr_line; /* XXX temp */
184: extern u_int32_t num_disp;
185: #endif
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