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root/cebix/BasiliskII/src/Unix/prefs_unix.cpp
Revision: 1.18
Committed: 2008-01-01T09:40:33Z (16 years, 5 months ago) by gbeauche
Branch: MAIN
Changes since 1.17: +1 -1 lines
Log Message:
Happy New Year!

File Contents

# User Rev Content
1 cebix 1.1 /*
2 gbeauche 1.14 * prefs_unix.cpp - Preferences handling, Unix specific stuff
3 cebix 1.1 *
4 gbeauche 1.18 * Basilisk II (C) 1997-2008 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 gbeauche 1.17 {"idlewait", TYPE_BOOLEAN, false, "sleep when idle"},
45 cebix 1.8 {NULL, TYPE_END, false, NULL} // End of list
46 cebix 1.1 };
47    
48    
49     // Prefs file name and path
50     const char PREFS_FILE_NAME[] = ".basilisk_ii_prefs";
51 cebix 1.11 string UserPrefsPath;
52     static string prefs_path;
53 cebix 1.1
54    
55     /*
56     * Load preferences from settings file
57     */
58    
59     void LoadPrefs(void)
60     {
61     // Construct prefs path
62 cebix 1.11 if (UserPrefsPath.empty()) {
63     char *home = getenv("HOME");
64     if (home)
65     prefs_path = string(home) + '/';
66     prefs_path += PREFS_FILE_NAME;
67     } else
68     prefs_path = UserPrefsPath;
69 cebix 1.1
70     // Read preferences from settings file
71 cebix 1.11 FILE *f = fopen(prefs_path.c_str(), "r");
72 cebix 1.1 if (f != NULL) {
73    
74     // Prefs file found, load settings
75     LoadPrefsFromStream(f);
76     fclose(f);
77    
78     } else {
79    
80     // No prefs file, save defaults
81     SavePrefs();
82     }
83     }
84    
85    
86     /*
87     * Save preferences to settings file
88     */
89    
90     void SavePrefs(void)
91     {
92     FILE *f;
93 cebix 1.11 if ((f = fopen(prefs_path.c_str(), "w")) != NULL) {
94 cebix 1.1 SavePrefsToStream(f);
95     fclose(f);
96     }
97     }
98    
99    
100     /*
101     * Add defaults of platform-specific prefs items
102     * You may also override the defaults set in PrefsInit()
103     */
104    
105     void AddPlatformPrefsDefaults(void)
106     {
107     PrefsAddBool("keycodes", false);
108 cebix 1.2 PrefsReplaceString("extfs", "/");
109 cebix 1.6 PrefsReplaceInt32("mousewheelmode", 1);
110     PrefsReplaceInt32("mousewheellines", 3);
111 cebix 1.12 #ifdef __linux__
112 cebix 1.16 if (access("/dev/sound/dsp", F_OK) == 0) {
113     PrefsReplaceString("dsp", "/dev/sound/dsp");
114     } else {
115 cebix 1.12 PrefsReplaceString("dsp", "/dev/dsp");
116 cebix 1.16 }
117     if (access("/dev/sound/mixer", F_OK) == 0) {
118     PrefsReplaceString("mixer", "/dev/sound/mixer");
119     } else {
120 cebix 1.12 PrefsReplaceString("mixer", "/dev/mixer");
121     }
122     #else
123     PrefsReplaceString("dsp", "/dev/dsp");
124     PrefsReplaceString("mixer", "/dev/mixer");
125     #endif
126 gbeauche 1.10 #ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION
127     PrefsAddBool("ignoresegv", false);
128     #endif
129 gbeauche 1.17 PrefsAddBool("idlewait", true);
130 cebix 1.1 }