src/Unix/prefs_unix.cpp

/*
 *  prefs_unix.cpp - Preferences handling, Unix specific stuff
 *
 *  Basilisk II (C) 1997-2004 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "sysdeps.h"

#include <stdio.h>
#include <stdlib.h>

#include <string>
using std::string;

#include "prefs.h"


// Platform-specific preferences items
prefs_desc platform_prefs_items[] = {
        {"keycodes", TYPE_BOOLEAN, false,      "use keycodes rather than keysyms to decode keyboard"},
        {"keycodefile", TYPE_STRING, false,    "path of keycode translation file"},
        {"fbdevicefile", TYPE_STRING, false,   "path of frame buffer device specification file"},
        {"mousewheelmode", TYPE_INT32, false,  "mouse wheel support mode (0=page up/down, 1=cursor up/down)"},
        {"mousewheellines", TYPE_INT32, false, "number of lines to scroll in mouse wheel mode 1"},
        {"dsp", TYPE_STRING, false,            "audio output (dsp) device name"},
        {"mixer", TYPE_STRING, false,          "audio mixer device name"},
#ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION
        {"ignoresegv", TYPE_BOOLEAN, false,    "ignore illegal memory accesses"},
#endif
        {NULL, TYPE_END, false, NULL} // End of list
};


// Prefs file name and path
const char PREFS_FILE_NAME[] = ".basilisk_ii_prefs";
string UserPrefsPath;
static string prefs_path;


/*
 *  Load preferences from settings file
 */

void LoadPrefs(void)
{
        // Construct prefs path
        if (UserPrefsPath.empty()) {
                char *home = getenv("HOME");
                if (home)
                        prefs_path = string(home) + '/';
                prefs_path += PREFS_FILE_NAME;
        } else
                prefs_path = UserPrefsPath;

        // Read preferences from settings file
        FILE *f = fopen(prefs_path.c_str(), "r");
        if (f != NULL) {

                // Prefs file found, load settings
                LoadPrefsFromStream(f);
                fclose(f);

        } else {

                // No prefs file, save defaults
                SavePrefs();
        }
}


/*
 *  Save preferences to settings file
 */

void SavePrefs(void)
{
        FILE *f;
        if ((f = fopen(prefs_path.c_str(), "w")) != NULL) {
                SavePrefsToStream(f);
                fclose(f);
        }
}


/*
 *  Add defaults of platform-specific prefs items
 *  You may also override the defaults set in PrefsInit()
 */

void AddPlatformPrefsDefaults(void)
{
        PrefsAddBool("keycodes", false);
        PrefsReplaceString("extfs", "/");
        PrefsReplaceInt32("mousewheelmode", 1);
        PrefsReplaceInt32("mousewheellines", 3);
#ifdef __linux__
        if (access("/dev/.devfsd", F_OK) < 0) {
                PrefsReplaceString("dsp", "/dev/dsp");
                PrefsReplaceString("mixer", "/dev/mixer");
        } else {
                PrefsReplaceString("dsp", "/dev/sound/dsp");
                PrefsReplaceString("mixer", "/dev/sound/mixer");
        }
#else
        PrefsReplaceString("dsp", "/dev/dsp");
        PrefsReplaceString("mixer", "/dev/mixer");
#endif
#ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION
        PrefsAddBool("ignoresegv", false);
#endif
}
Revision:	1.14
Committed:	2004-11-29T21:59:03Z (19 years, 11 months ago) by gbeauche
Branch:	MAIN
Changes since 1.13:	+1 -1 lines
Log Message:	typos
#	User	Rev	Content
1	cebix	1.1	/*
2	gbeauche	1.14	* prefs_unix.cpp - Preferences handling, Unix specific stuff
3	cebix	1.1	*
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	}