Contents of /trunk/src/settings.c

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Revision 1 - (show annotations)
Tue Dec 9 20:06:06 2008 UTC (15 years, 6 months ago) by harbaum
Original Path: src/settings.c
File MIME type: text/plain
File size: 5045 byte(s) 
Initial import
1 /*
2 * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.
3 *
4 * This file is part of OSM2Go.
5 *
6 * OSM2Go 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 3 of the License, or
9 * (at your option) any later version.
10 *
11 * OSM2Go 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 OSM2Go. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "appdata.h"
21
22 #include <gconf/gconf.h>
23 #include <gconf/gconf-client.h>
24
25 enum {
26 STORE_STRING, STORE_FLOAT, STORE_INT, STORE_BOOL,
27 };
28
29 typedef struct {
30 char *key;
31 int type;
32 int offset;
33 } store_t;
34
35 #define OFFSET(a) offsetof(settings_t, a)
36
37 static store_t store[] = {
38 /* not user configurable */
39 { "base_path", STORE_STRING, OFFSET(base_path) },
40
41 /* from project.c */
42 { "project", STORE_STRING, OFFSET(project) },
43
44 /* from osm_api.c */
45 { "server", STORE_STRING, OFFSET(server) },
46 { "username", STORE_STRING, OFFSET(username) },
47 { "password", STORE_STRING, OFFSET(password) },
48
49 /* wms servers aren't yet saved as a major rewrite is required before */
50
51 /* style */
52 { "style", STORE_STRING, OFFSET(style) },
53
54 { NULL, -1, -1 }
55 };
56
57 settings_t *settings_load(void) {
58 settings_t *settings = g_new0(settings_t,1);
59
60 /* ------ set useful defaults ------- */
61
62 #ifdef USE_HILDON
63 char *p;
64 settings->base_path = strdup(BASE_DIR);
65 #else
66 char *p = getenv("HOME");
67 g_assert(p);
68
69 /* build image path in home directory */
70 settings->base_path =
71 malloc(strlen(p)+strlen(BASE_DIR)+2);
72 strcpy(settings->base_path, p);
73 if(settings->base_path[strlen(settings->base_path)-1] != '/')
74 strcat(settings->base_path, "/");
75 strcat(settings->base_path, BASE_DIR);
76 #endif
77
78 /* ------------- setup download defaults -------------------- */
79 settings->server = strdup("http://api.openstreetmap.org/api/0.5");
80 if((p = getenv("OSM_USER")))
81 settings->username = g_strdup(p);
82 else
83 settings->username = g_strdup(_("<your osm username>"));
84
85 if((p = getenv("OSM_PASS")))
86 settings->password = g_strdup(p);
87 else
88 settings->password = strdup("<password>");
89
90 settings->wms_server = g_strdup("http://onearth.jpl.nasa.gov");
91 settings->wms_path = g_strdup("/wms.cgi");
92
93 settings->style = g_strdup(DEFAULT_STYLE);
94
95 /* ------ overwrite with settings from gconf if present ------- */
96
97 GConfClient *client = gconf_client_get_default();
98 if(client) {
99 /* restore everything listed in the store table */
100 store_t *st = store;
101 while(st->key) {
102 void **ptr = ((void*)settings) + st->offset;
103 char *key = g_strdup_printf("/apps/" PACKAGE "/%s", st->key);
104
105 /* check if key is present */
106 GConfValue *value = gconf_client_get(client, key, NULL);
107 if(value) {
108 gconf_value_free(value);
109
110 switch(st->type) {
111 case STORE_STRING: {
112 char **str = (char**)ptr;
113 if(*str) g_free(*str);
114 *str = gconf_client_get_string(client, key, NULL);
115 } break;
116
117 case STORE_BOOL:
118 *((int*)ptr) = gconf_client_get_bool(client, key, NULL);
119 break;
120
121 case STORE_INT:
122 *((int*)ptr) = gconf_client_get_int(client, key, NULL);
123 break;
124
125 case STORE_FLOAT:
126 *((float*)ptr) = gconf_client_get_float(client, key, NULL);
127 break;
128
129 default:
130 printf("Unsupported type %d\n", st->type);
131 break;
132 }
133 }
134
135 g_free(key);
136 st++;
137 }
138 }
139
140 return settings;
141 }
142
143 void settings_save(settings_t *settings) {
144
145 GConfClient *client = gconf_client_get_default();
146 if(!client) return;
147
148 /* store everything listed in the store table */
149 store_t *st = store;
150 while(st->key) {
151 void **ptr = ((void*)settings) + st->offset;
152 char *key = g_strdup_printf("/apps/" PACKAGE "/%s", st->key);
153
154 switch(st->type) {
155 case STORE_STRING:
156 if((char*)(*ptr)) {
157 gconf_client_set_string(client, key, (char*)(*ptr), NULL);
158 }
159 break;
160
161 case STORE_BOOL:
162 gconf_client_set_bool(client, key, *((int*)ptr), NULL);
163 break;
164
165 case STORE_INT:
166 gconf_client_set_int(client, key, *((int*)ptr), NULL);
167 break;
168
169 case STORE_FLOAT:
170 gconf_client_set_float(client, key, *((float*)ptr), NULL);
171 break;
172
173 default:
174 printf("Unsupported type %d\n", st->type);
175 break;
176 }
177
178 g_free(key);
179 st++;
180 }
181 }
182
183 void settings_free(settings_t *settings) {
184 store_t *st = store;
185
186 /* this is only required because wms_xxx is not yet stored properly */
187 g_free(settings->wms_server);
188 g_free(settings->wms_path);
189
190 while(st->key) {
191 void **ptr = ((void*)settings) + st->offset;
192
193 if(st->type == STORE_STRING)
194 if((char*)(*ptr))
195 g_free((char*)(*ptr));
196
197 st++;
198 }
199
200 g_free(settings);
201 }