Mercurial > sdl-ios-xcode

annotate src/power/linux/SDL_syspower.c @ 5177:b9cf75615028

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Don't free the surface since the application might be still using it.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 04 Feb 2011 12:26:01 -0800
parents f7b03b6838cb
children b530ef003506
rev   line source
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
1 /*
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
3697
f7b03b6838cb Fixed bug #926
Sam Lantinga <slouken@libsdl.org>
parents: 3207
diff changeset
3 Copyright (C) 1997-2010 Sam Lantinga
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
4
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
6 modify it under the terms of the GNU Lesser General Public
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
9
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
13 Lesser General Public License for more details.
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
14
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
15 You should have received a copy of the GNU Lesser General Public
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
16 License along with this library; if not, write to the Free Software
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
18
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
19 Sam Lantinga
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
20 slouken@libsdl.org
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
21 */
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
22 #include "SDL_config.h"
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
23
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
24 #ifndef SDL_POWER_DISABLED
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
25 #ifdef SDL_POWER_LINUX
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
26
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
27 #include <stdio.h>
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
28 #include <unistd.h>
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
29
3174
c8b9c6d27476 Fixed some typos and added a couple of includes. All were need to get SDL_power to compile on Linux.
Bob Pendleton <bob@pendleton.com>
parents: 3170
diff changeset
30 #include <sys/types.h>
c8b9c6d27476 Fixed some typos and added a couple of includes. All were need to get SDL_power to compile on Linux.
Bob Pendleton <bob@pendleton.com>
parents: 3170
diff changeset
31 #include <sys/stat.h>
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
32 #include <dirent.h>
3174
c8b9c6d27476 Fixed some typos and added a couple of includes. All were need to get SDL_power to compile on Linux.
Bob Pendleton <bob@pendleton.com>
parents: 3170
diff changeset
33 #include <fcntl.h>
c8b9c6d27476 Fixed some typos and added a couple of includes. All were need to get SDL_power to compile on Linux.
Bob Pendleton <bob@pendleton.com>
parents: 3170
diff changeset
34
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
35 #include "SDL_power.h"
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
36
3207
65fdb0961d7c Moved hardcoding of "/proc/apm" elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 3206
diff changeset
37 static const char *proc_apm_path = "/proc/apm";
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
38 static const char *proc_acpi_battery_path = "/proc/acpi/battery";
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
39 static const char *proc_acpi_ac_adapter_path = "/proc/acpi/ac_adapter";
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
40
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
41 static int open_acpi_file(const char *base, const char *node, const char *key)
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
42 {
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
43 const size_t pathlen = strlen(base) + strlen(node) + strlen(key) + 3;
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
44 char *path = (char *) alloca(pathlen);
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
45 if (path == NULL) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
46 return -1; /* oh well. */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
47 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
48
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
49 snprintf(path, pathlen, "%s/%s/%s", base, node, key);
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
50 return open(path, O_RDONLY);
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
51 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
52
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
53
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
54 static SDL_bool
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
55 load_acpi_file(const char *base, const char *node, const char *key,
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
56 char *buf, size_t buflen)
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
57 {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
58 ssize_t br = 0;
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
59 const int fd = open_acpi_file(base, node, key);
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
60 if (fd == -1) {
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
61 return SDL_FALSE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
62 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
63 br = read(fd, buf, buflen-1);
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
64 close(fd);
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
65 if (br < 0) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
66 return SDL_FALSE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
67 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
68 buf[br] = '\0'; // null-terminate the string.
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
69 return SDL_TRUE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
70 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
71
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
72
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
73 static SDL_bool
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
74 make_proc_acpi_key_val(char **_ptr, char **_key, char **_val)
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
75 {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
76 char *ptr = *_ptr;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
77
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
78 while (*ptr == ' ') {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
79 ptr++; /* skip whitespace. */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
80 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
81
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
82 if (*ptr == '\0') {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
83 return SDL_FALSE; /* EOF. */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
84 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
85
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
86 *_key = ptr;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
87
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
88 while ((*ptr != ':') && (*ptr != '\0')) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
89 ptr++;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
90 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
91
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
92 if (*ptr == '\0') {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
93 return SDL_FALSE; /* (unexpected) EOF. */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
94 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
95
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
96 *(ptr++) = '\0'; /* terminate the key. */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
97
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
98 while ((*ptr == ' ') && (*ptr != '\0')) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
99 ptr++; /* skip whitespace. */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
100 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
101
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
102 if (*ptr == '\0') {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
103 return SDL_FALSE; /* (unexpected) EOF. */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
104 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
105
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
106 *_val = ptr;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
107
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
108 while ((*ptr != '\n') && (*ptr != '\0')) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
109 ptr++;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
110 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
111
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
112 if (*ptr != '\0') {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
113 *(ptr++) = '\0'; /* terminate the value. */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
114 }
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
115
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
116 *_ptr = ptr; /* store for next time. */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
117 return SDL_TRUE;
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
118 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
119
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
120 static void
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
121 check_proc_acpi_battery(const char * node, SDL_bool * have_battery,
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
122 SDL_bool * charging, int *seconds, int *percent)
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
123 {
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
124 const char *base = proc_acpi_battery_path;
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
125 char info[1024];
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
126 char state[1024];
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
127 char *ptr = NULL;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
128 char *key = NULL;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
129 char *val = NULL;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
130 SDL_bool charge = SDL_FALSE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
131 SDL_bool choose = SDL_FALSE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
132 SDL_bool is_ac = SDL_FALSE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
133 int maximum = -1;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
134 int remaining = -1;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
135 int secs = -1;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
136 int pct = -1;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
137
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
138 if (!load_acpi_file(base, node, "state", state, sizeof (state))) {
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
139 return;
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
140 } else if (!load_acpi_file(base, node, "info", info, sizeof (info))) {
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
141 return;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
142 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
143
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
144 ptr = &state[0];
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
145 while (make_proc_acpi_key_val(&ptr, &key, &val)) {
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
146 if (strcmp(key, "present") == 0) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
147 if (strcmp(val, "yes") == 0) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
148 *have_battery = SDL_TRUE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
149 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
150 } else if (strcmp(key, "charging state") == 0) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
151 /* !!! FIXME: what exactly _does_ charging/discharging mean? */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
152 if (strcmp(val, "charging/discharging") == 0) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
153 charge = SDL_TRUE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
154 } else if (strcmp(val, "charging") == 0) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
155 charge = SDL_TRUE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
156 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
157 } else if (strcmp(key, "remaining capacity") == 0) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
158 char *endptr = NULL;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
159 const int cvt = (int) strtol(val, &endptr, 10);
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
160 if (*endptr == ' ') {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
161 remaining = cvt;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
162 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
163 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
164 }
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
165
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
166 ptr = &info[0];
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
167 while (make_proc_acpi_key_val(&ptr, &key, &val)) {
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
168 if (strcmp(key, "design capacity") == 0) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
169 char *endptr = NULL;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
170 const int cvt = (int) strtol(val, &endptr, 10);
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
171 if (*endptr == ' ') {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
172 maximum = cvt;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
173 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
174 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
175 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
176
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
177 if ((maximum >= 0) && (remaining >= 0)) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
178 pct = (int) ((((float) remaining) / ((float) maximum)) * 100.0f);
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
179 if (pct < 0) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
180 pct = 0;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
181 } else if (pct > 100) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
182 pct = 100;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
183 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
184 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
185
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
186 /* !!! FIXME: calculate (secs). */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
187
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
188 /*
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
189 * We pick the battery that claims to have the most minutes left.
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
190 * (failing a report of minutes, we'll take the highest percent.)
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
191 */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
192 if ((secs < 0) && (*seconds < 0)) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
193 if ((pct < 0) && (*percent < 0)) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
194 choose = SDL_TRUE; /* at least we know there's a battery. */
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
195 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
196 if (pct > *percent) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
197 choose = SDL_TRUE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
198 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
199 } else if (secs > *seconds) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
200 choose = SDL_TRUE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
201 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
202
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
203 if (choose) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
204 *seconds = secs;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
205 *percent = pct;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
206 *charging = charge;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
207 }
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
208 }
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
209
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
210 static void
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
211 check_proc_acpi_ac_adapter(const char * node, SDL_bool * have_ac)
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
212 {
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
213 const char *base = proc_acpi_ac_adapter_path;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
214 char state[256];
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
215 char *ptr = NULL;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
216 char *key = NULL;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
217 char *val = NULL;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
218 SDL_bool charge = SDL_FALSE;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
219 SDL_bool choose = SDL_FALSE;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
220 SDL_bool is_ac = SDL_FALSE;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
221 int maximum = -1;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
222 int remaining = -1;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
223 int secs = -1;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
224 int pct = -1;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
225
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
226 if (!load_acpi_file(base, node, "state", state, sizeof (state))) {
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
227 return;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
228 }
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
229
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
230 ptr = &state[0];
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
231 while (make_proc_acpi_key_val(&ptr, &key, &val)) {
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
232 if (strcmp(key, "state") == 0) {
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
233 if (strcmp(val, "on-line") == 0) {
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
234 *have_ac = SDL_TRUE;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
235 }
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
236 }
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
237 }
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
238 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
239
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
240
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
241 SDL_bool
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
242 SDL_GetPowerInfo_Linux_proc_acpi(SDL_PowerState * state,
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
243 int *seconds, int *percent)
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
244 {
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
245 struct dirent *dent = NULL;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
246 DIR *dirp = NULL;
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
247 SDL_bool have_battery = SDL_FALSE;
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
248 SDL_bool have_ac = SDL_FALSE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
249 SDL_bool charging = SDL_FALSE;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
250
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
251 *seconds = -1;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
252 *percent = -1;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
253 *state = SDL_POWERSTATE_UNKNOWN;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
254
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
255 dirp = opendir(proc_acpi_battery_path);
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
256 if (dirp == NULL) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
257 return SDL_FALSE; /* can't use this interface. */
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
258 } else {
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
259 while ((dent = readdir(dirp)) != NULL) {
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
260 const char *node = dent->d_name;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
261 check_proc_acpi_battery(node, &have_battery, &charging,
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
262 seconds, percent);
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
263 }
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
264 closedir(dirp);
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
265 }
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
266
3205
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
267 dirp = opendir(proc_acpi_ac_adapter_path);
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
268 if (dirp == NULL) {
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
269 return SDL_FALSE; /* can't use this interface. */
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
270 } else {
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
271 while ((dent = readdir(dirp)) != NULL) {
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
272 const char *node = dent->d_name;
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
273 check_proc_acpi_ac_adapter(node, &have_ac);
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
274 }
f9a4aa1e1b34 Linux /proc/acpi: check for ac_adapter states, other cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 3204
diff changeset
275 closedir(dirp);
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
276 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
277
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
278 if (!have_battery) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
279 *state = SDL_POWERSTATE_NO_BATTERY;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
280 } else if (charging) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
281 *state = SDL_POWERSTATE_CHARGING;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
282 } else if (have_ac) {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
283 *state = SDL_POWERSTATE_CHARGED;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
284 } else {
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
285 *state = SDL_POWERSTATE_ON_BATTERY;
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
286 }
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
287
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
288 return SDL_TRUE; /* definitive answer. */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
289 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
290
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
291
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
292 static SDL_bool
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
293 next_string(char **_ptr, char **_str)
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
294 {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
295 char *ptr = *_ptr;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
296 char *str = *_str;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
297
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
298 while (*ptr == ' ') { /* skip any spaces... */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
299 ptr++;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
300 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
301
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
302 if (*ptr == '\0') {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
303 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
304 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
305
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
306 str = ptr;
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
307 while ((*ptr != ' ') && (*ptr != '\n') && (*ptr != '\0'))
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
308 ptr++;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
309
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
310 if (*ptr != '\0')
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
311 *(ptr++) = '\0';
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
312
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
313 *_str = str;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
314 *_ptr = ptr;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
315 return SDL_TRUE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
316 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
317
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
318 static SDL_bool
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
319 int_string(char *str, int *val)
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
320 {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
321 char *endptr = NULL;
3206
f735edf338d3 Linux /proc/apm: handle hex and decimal (and octal!) values.
Ryan C. Gordon <icculus@icculus.org>
parents: 3205
diff changeset
322 *val = (int) strtol(str, &endptr, 0);
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
323 return ((*str != '\0') && (*endptr == '\0'));
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
324 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
325
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
326 /* http://lxr.linux.no/linux+v2.6.29/drivers/char/apm-emulation.c */
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
327 SDL_bool
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
328 SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState * state,
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
329 int *seconds, int *percent)
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
330 {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
331 SDL_bool need_details = SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
332 int ac_status = 0;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
333 int battery_status = 0;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
334 int battery_flag = 0;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
335 int battery_percent = 0;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
336 int battery_time = 0;
3207
65fdb0961d7c Moved hardcoding of "/proc/apm" elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 3206
diff changeset
337 const int fd = open(proc_apm_path, O_RDONLY);
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
338 char buf[128];
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
339 char *ptr = &buf[0];
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
340 char *str = NULL;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
341 ssize_t br;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
342
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
343 if (fd == -1) {
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
344 return SDL_FALSE; /* can't use this interface. */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
345 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
346
3203
790cbbda6429 Power: First shot at Linux /proc/acpi/battery support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3186
diff changeset
347 br = read(fd, buf, sizeof (buf) - 1);
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
348 close(fd);
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
349
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
350 if (br < 0) {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
351 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
352 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
353
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
354 buf[br] = '\0'; // null-terminate the string.
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
355 if (!next_string(&ptr, &str)) { /* driver version */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
356 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
357 }
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
358 if (!next_string(&ptr, &str)) { /* BIOS version */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
359 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
360 }
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
361 if (!next_string(&ptr, &str)) { /* APM flags */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
362 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
363 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
364
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
365 if (!next_string(&ptr, &str)) { /* AC line status */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
366 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
367 } else if (!int_string(str, &ac_status)) {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
368 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
369 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
370
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
371 if (!next_string(&ptr, &str)) { /* battery status */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
372 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
373 } else if (!int_string(str, &battery_status)) {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
374 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
375 }
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
376 if (!next_string(&ptr, &str)) { /* battery flag */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
377 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
378 } else if (!int_string(str, &battery_flag)) {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
379 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
380 }
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
381 if (!next_string(&ptr, &str)) { /* remaining battery life percent */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
382 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
383 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
384 if (str[strlen(str) - 1] == '%') {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
385 str[strlen(str) - 1] = '\0';
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
386 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
387 if (!int_string(str, &battery_percent)) {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
388 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
389 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
390
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
391 if (!next_string(&ptr, &str)) { /* remaining battery life time */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
392 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
393 } else if (!int_string(str, &battery_time)) {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
394 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
395 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
396
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
397 if (!next_string(&ptr, &str)) { /* remaining battery life time units */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
398 return SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
399 } else if (strcmp(str, "min") == 0) {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
400 battery_time *= 60;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
401 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
402
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
403 if (battery_flag == 0xFF) { /* unknown state */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
404 *state = SDL_POWERSTATE_UNKNOWN;
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
405 } else if (battery_flag & (1 << 7)) { /* no battery */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
406 *state = SDL_POWERSTATE_NO_BATTERY;
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
407 } else if (battery_flag & (1 << 3)) { /* charging */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
408 *state = SDL_POWERSTATE_CHARGING;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
409 need_details = SDL_TRUE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
410 } else if (ac_status == 1) {
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
411 *state = SDL_POWERSTATE_CHARGED; /* on AC, not charging. */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
412 need_details = SDL_TRUE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
413 } else {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
414 *state = SDL_POWERSTATE_ON_BATTERY;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
415 need_details = SDL_TRUE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
416 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
417
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
418 *percent = -1;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
419 *seconds = -1;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
420 if (need_details) {
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
421 const int pct = battery_percent;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
422 const int secs = battery_time;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
423
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
424 if (pct >= 0) { /* -1 == unknown */
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
425 *percent = (pct > 100) ? 100 : pct; /* clamp between 0%, 100% */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
426 }
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3174
diff changeset
427 if (secs >= 0) { /* -1 == unknown */
3170
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
428 *seconds = secs;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
429 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
430 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
431
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
432 return SDL_TRUE;
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
433 }
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
434
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
435 #endif /* SDL_POWER_LINUX */
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
436 #endif /* SDL_POWER_DISABLED */
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
437
b7a48f533966 Initial work on power subsystem for SDL 1.3.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
438 /* vi: set ts=4 sw=4 expandtab: */