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root/cebix/BasiliskII/src/Unix/prefs_unix.cpp
Revision: 1.13
Committed: 2004-01-12T15:29:25Z (20 years, 10 months ago) by cebix
Branch: MAIN
CVS Tags: nigel-build-16, nigel-build-15
Changes since 1.12: +1 -1 lines
Log Message:
Happy New Year! :)

File Contents

# User Rev Content
1 cebix 1.1 /*
2     * prefs_unix.cpp - Preferences handling, Unix specifix stuff
3     *
4 cebix 1.13 * Basilisk II (C) 1997-2004 Christian Bauer
5 cebix 1.1 *
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 <stdio.h>
24     #include <stdlib.h>
25    
26 cebix 1.11 #include <string>
27     using std::string;
28    
29 cebix 1.1 #include "prefs.h"
30    
31    
32     // Platform-specific preferences items
33     prefs_desc platform_prefs_items[] = {
34 cebix 1.8 {"keycodes", TYPE_BOOLEAN, false, "use keycodes rather than keysyms to decode keyboard"},
35     {"keycodefile", TYPE_STRING, false, "path of keycode translation file"},
36     {"fbdevicefile", TYPE_STRING, false, "path of frame buffer device specification file"},
37     {"mousewheelmode", TYPE_INT32, false, "mouse wheel support mode (0=page up/down, 1=cursor up/down)"},
38     {"mousewheellines", TYPE_INT32, false, "number of lines to scroll in mouse wheel mode 1"},
39 cebix 1.12 {"dsp", TYPE_STRING, false, "audio output (dsp) device name"},
40     {"mixer", TYPE_STRING, false, "audio mixer device name"},
41 gbeauche 1.10 #ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION
42     {"ignoresegv", TYPE_BOOLEAN, false, "ignore illegal memory accesses"},
43     #endif
44 cebix 1.8 {NULL, TYPE_END, false, NULL} // End of list
45 cebix 1.1 };
46    
47    
48     // Prefs file name and path
49     const char PREFS_FILE_NAME[] = ".basilisk_ii_prefs";
50 cebix 1.11 string UserPrefsPath;
51     static string prefs_path;
52 cebix 1.1
53    
54     /*
55     * Load preferences from settings file
56     */
57    
58     void LoadPrefs(void)
59     {
60     // Construct prefs path
61 cebix 1.11 if (UserPrefsPath.empty()) {
62     char *home = getenv("HOME");
63     if (home)
64     prefs_path = string(home) + '/';
65     prefs_path += PREFS_FILE_NAME;
66     } else
67     prefs_path = UserPrefsPath;
68 cebix 1.1
69     // Read preferences from settings file
70 cebix 1.11 FILE *f = fopen(prefs_path.c_str(), "r");
71 cebix 1.1 if (f != NULL) {
72    
73     // Prefs file found, load settings
74     LoadPrefsFromStream(f);
75     fclose(f);
76    
77     } else {
78    
79     // No prefs file, save defaults
80     SavePrefs();
81     }
82     }
83    
84    
85     /*
86     * Save preferences to settings file
87     */
88    
89     void SavePrefs(void)
90     {
91     FILE *f;
92 cebix 1.11 if ((f = fopen(prefs_path.c_str(), "w")) != NULL) {
93 cebix 1.1 SavePrefsToStream(f);
94     fclose(f);
95     }
96     }
97    
98    
99     /*
100     * Add defaults of platform-specific prefs items
101     * You may also override the defaults set in PrefsInit()
102     */
103    
104     void AddPlatformPrefsDefaults(void)
105     {
106     PrefsAddBool("keycodes", false);
107 cebix 1.2 PrefsReplaceString("extfs", "/");
108 cebix 1.6 PrefsReplaceInt32("mousewheelmode", 1);
109     PrefsReplaceInt32("mousewheellines", 3);
110 cebix 1.12 #ifdef __linux__
111     if (access("/dev/.devfsd", F_OK) < 0) {
112     PrefsReplaceString("dsp", "/dev/dsp");
113     PrefsReplaceString("mixer", "/dev/mixer");
114     } else {
115     PrefsReplaceString("dsp", "/dev/sound/dsp");
116     PrefsReplaceString("mixer", "/dev/sound/mixer");
117     }
118     #else
119     PrefsReplaceString("dsp", "/dev/dsp");
120     PrefsReplaceString("mixer", "/dev/mixer");
121     #endif
122 gbeauche 1.10 #ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION
123     PrefsAddBool("ignoresegv", false);
124     #endif
125 cebix 1.1 }