xref: /freebsd/usr.sbin/pmcstat/pmcstat_top.h (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2009, Fabien Thomas
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef	_PMCSTAT_TOP_H_
30 #define	_PMCSTAT_TOP_H_
31 
32 /* Return the ncurses attributes for the given value. */
33 #define PMCSTAT_ATTRPERCENT(b) 					\
34     ((b) > 10.0 ? (args.pa_topcolor ? COLOR_PAIR(1) : A_BOLD) :	\
35     ((b) >  5.0 ? (args.pa_topcolor ? COLOR_PAIR(2) : 0) : 	\
36     ((b) >  2.5 ? (args.pa_topcolor ? COLOR_PAIR(3) : 0) : 0)))
37 
38 /* Print to the default ncurse windows if on a terminal or to the file. */
39 #define PMCSTAT_PRINTW(...) do {			\
40 	if (args.pa_toptty)				\
41 		printw(__VA_ARGS__);			\
42 	else						\
43 		fprintf(args.pa_printfile, __VA_ARGS__);\
44 } while (0)
45 
46 /* If ncurses mode active set attributes. */
47 #define PMCSTAT_ATTRON(b) do {				\
48 	if (args.pa_toptty)				\
49 		attron(b);				\
50 } while (0)
51 
52 /* If ncurses mode active unset attributes. */
53 #define PMCSTAT_ATTROFF(b) do {				\
54 	if (args.pa_toptty)				\
55 		attroff(b);				\
56 } while (0)
57 
58 /* Erase screen and set cursor to top left. */
59 #define PMCSTAT_PRINTBEGIN() do {			\
60 	if (args.pa_toptty)				\
61 		clear();				\
62 } while (0)
63 
64 /* Flush buffer to backend. */
65 #define PMCSTAT_PRINTEND() do {				\
66 	if (!args.pa_toptty) {				\
67 		PMCSTAT_PRINTW("---\n");		\
68 		fflush(args.pa_printfile);		\
69 	} else						\
70 		refresh();				\
71 } while (0)
72 
73 /* Function prototypes */
74 
75 #endif	/* _PMCSTAT_TOP_H_ */
76