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root/cebix/SheepShaver/src/Unix/prefs_unix.cpp
Revision: 1.10
Committed: 2005-11-24T17:26:00Z (18 years, 6 months ago) by cebix
Branch: MAIN
Changes since 1.9: +7 -4 lines
Log Message:
modernized Linux sound device selection (synced to B2)

File Contents

# Content
1 /*
2 * prefs_unix.cpp - Preferences handling, Unix specific things
3 *
4 * SheepShaver (C) 1997-2005 Christian Bauer and Marc Hellwig
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #include "sysdeps.h"
22
23 #include <string.h>
24 #include <stdlib.h>
25 #include <stdio.h>
26
27 #include "prefs.h"
28
29
30 // Platform-specific preferences items
31 prefs_desc platform_prefs_items[] = {
32 {"ether", TYPE_STRING, false, "device name of Mac ethernet adapter"},
33 {"etherconfig", TYPE_STRING, false, "path of network config script"},
34 {"keycodes", TYPE_BOOLEAN, false, "use keycodes rather than keysyms to decode keyboard"},
35 {"keycodefile", TYPE_STRING, false, "path of keycode translation file"},
36 {"mousewheelmode", TYPE_INT32, false, "mouse wheel support mode (0=page up/down, 1=cursor up/down)"},
37 {"mousewheellines", TYPE_INT32, false, "number of lines to scroll in mouse wheel mode 1"},
38 {"dsp", TYPE_STRING, false, "audio output (dsp) device name"},
39 {"mixer", TYPE_STRING, false, "audio mixer device name"},
40 #ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION
41 {"ignoresegv", TYPE_BOOLEAN, false, "ignore illegal memory accesses"},
42 #endif
43 {"idlewait", TYPE_BOOLEAN, false, "sleep when idle"},
44 {NULL, TYPE_END, false, NULL} // End of list
45 };
46
47
48 // Prefs file name and path
49 const char PREFS_FILE_NAME[] = ".sheepshaver_prefs";
50 static char prefs_path[1024];
51
52
53 /*
54 * Load preferences from settings file
55 */
56
57 void LoadPrefs(void)
58 {
59 // Construct prefs path
60 prefs_path[0] = 0;
61 char *home = getenv("HOME");
62 if (home != NULL && strlen(home) < 1000) {
63 strncpy(prefs_path, home, 1000);
64 strcat(prefs_path, "/");
65 }
66 strcat(prefs_path, PREFS_FILE_NAME);
67
68 // Read preferences from settings file
69 FILE *f = fopen(prefs_path, "r");
70 if (f != NULL) {
71
72 // Prefs file found, load settings
73 LoadPrefsFromStream(f);
74 fclose(f);
75
76 } else {
77
78 // No prefs file, save defaults
79 SavePrefs();
80 }
81 }
82
83
84 /*
85 * Save preferences to settings file
86 */
87
88 void SavePrefs(void)
89 {
90 FILE *f;
91 if ((f = fopen(prefs_path, "w")) != NULL) {
92 SavePrefsToStream(f);
93 fclose(f);
94 }
95 }
96
97
98 /*
99 * Add defaults of platform-specific prefs items
100 * You may also override the defaults set in PrefsInit()
101 */
102
103 void AddPlatformPrefsDefaults(void)
104 {
105 PrefsAddBool("keycodes", false);
106 PrefsReplaceString("extfs", "/");
107 PrefsReplaceInt32("mousewheelmode", 1);
108 PrefsReplaceInt32("mousewheellines", 3);
109 #ifdef __linux__
110 if (access("/dev/sound/dsp", F_OK) == 0) {
111 PrefsReplaceString("dsp", "/dev/sound/dsp");
112 } else {
113 PrefsReplaceString("dsp", "/dev/dsp");
114 }
115 if (access("/dev/sound/mixer", F_OK) == 0) {
116 PrefsReplaceString("mixer", "/dev/sound/mixer");
117 } else {
118 PrefsReplaceString("mixer", "/dev/mixer");
119 }
120 #else
121 PrefsReplaceString("dsp", "/dev/dsp");
122 PrefsReplaceString("mixer", "/dev/mixer");
123 #endif
124 #ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION
125 PrefsAddBool("ignoresegv", false);
126 #endif
127 PrefsAddBool("idlewait", true);
128 }