Contents of /trunk/src/gconf.c

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Revision 122 - (show annotations)
Mon Sep 21 13:15:25 2009 UTC (14 years, 7 months ago) by harbaum
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1 /*
2 * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.
3 *
4 * This file is part of GPXView.
5 *
6 * GPXView 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 * GPXView 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 GPXView. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include <stddef.h>
21 #include <stdlib.h>
22 #include <ctype.h>
23 #include <math.h> // for isnan
24 #include "gpxview.h"
25
26 #define GCONF_PATH "/apps/gpxview/"
27 #define GCONF_KEY_GPX GCONF_PATH "gpx%d"
28 #define GCONF_KEY_CNT GCONF_PATH "entries"
29
30 #define GCONF_KEY_LOC_NAME GCONF_PATH "location%d/name"
31 #define GCONF_KEY_LOC_LAT GCONF_PATH "location%d/latitude"
32 #define GCONF_KEY_LOC_LON GCONF_PATH "location%d/longitude"
33 #define GCONF_KEY_LOC_CNT GCONF_PATH "location_entries"
34
35 #define GCONF_KEY_CLOSED GCONF_PATH "closed/%s"
36
37 #include <string.h>
38
39 enum {
40 STORE_STRING, STORE_FLOAT, STORE_INT, STORE_BOOL,
41 };
42
43 typedef struct {
44 char *key;
45 int type;
46 int offset;
47 } store_t;
48
49 #define OFFSET(a) offsetof(appdata_t, a)
50
51 static store_t store[] = {
52 { "image_path", STORE_STRING, OFFSET(image_path) },
53 { "path", STORE_STRING, OFFSET(path) },
54 { "geotext/text", STORE_STRING, OFFSET(geotext_text) },
55 { "geotext/shift", STORE_INT, OFFSET(geotext_shift) },
56 { "mmpoi_path", STORE_STRING, OFFSET(mmpoi_path) },
57 { "garmin_path", STORE_STRING, OFFSET(garmin_path) },
58 { "fnotes_path", STORE_STRING, OFFSET(fieldnotes_path) },
59 { "garmin_ign_found", STORE_BOOL, OFFSET(garmin_ign_found) },
60 { "active_location", STORE_INT, OFFSET(active_location) },
61 { "mmpoi_use_radius", STORE_BOOL, OFFSET(mmpoi_use_radius) },
62 { "mmpoi_radius", STORE_FLOAT, OFFSET(mmpoi_radius) },
63 { "mmpoi_ign_found", STORE_BOOL, OFFSET(mmpoi_dont_export_found) },
64 { "mmpoi_ign_disabl", STORE_BOOL, OFFSET(mmpoi_dont_export_disabled) },
65 { "use_gps", STORE_BOOL, OFFSET(use_gps) },
66 { "imperial", STORE_BOOL, OFFSET(imperial) },
67 { "compass_locked", STORE_BOOL, OFFSET(compass_locked) },
68 { "latitude", STORE_FLOAT, OFFSET(home.lat) },
69 { "longitude", STORE_FLOAT, OFFSET(home.lon) },
70 { "manual_goto_lat", STORE_FLOAT, OFFSET(manual_goto.lat) },
71 { "manual_goto_lon", STORE_FLOAT, OFFSET(manual_goto.lon) },
72 { "gps_lat", STORE_FLOAT, OFFSET(gps.lat) },
73 { "gps_lon", STORE_FLOAT, OFFSET(gps.lon) },
74 { "search_in", STORE_INT, OFFSET(search) },
75 { "search_days", STORE_INT, OFFSET(search_days) },
76 { "search_str", STORE_STRING, OFFSET(search_str) },
77 { "gpxlist_items", STORE_INT, OFFSET(gpxlist_items) },
78 { "cachelist_items", STORE_INT, OFFSET(cachelist_items) },
79 { "compass_damping", STORE_INT, OFFSET(compass_damping) },
80 { "cachelist_hide_found", STORE_BOOL, OFFSET(cachelist_hide_found) },
81 #ifdef USE_MAEMO
82 { "mmpoi_dontlaunch", STORE_BOOL, OFFSET(mmpoi_dontlaunch) },
83 { "cachelist_dss", STORE_BOOL, OFFSET(cachelist_disable_screensaver) },
84 { "goto_dss", STORE_BOOL, OFFSET(goto_disable_screensaver) },
85 { "cachelist_update", STORE_BOOL, OFFSET(cachelist_update) },
86 #endif
87 #ifdef ENABLE_OSM_GPS_MAP
88 { "map_lat", STORE_FLOAT, OFFSET(map.pos.lat) },
89 { "map_lon", STORE_FLOAT, OFFSET(map.pos.lon) },
90 { "map_zoom", STORE_INT, OFFSET(map.zoom) },
91 { "map_source", STORE_INT, OFFSET(map.source) },
92 #endif
93 { NULL, -1, -1 }
94 };
95
96 static char *get_basename(char *name) {
97 char *p = strrchr(name, '/');
98 if(!p) p = name;
99 else p = p+1;
100
101 g_assert(*p);
102
103 /* escape all non alnum characters */
104 p = g_strdup(p);
105 int i;
106 for(i=0;i<strlen(p);i++)
107 if(!isalnum(p[i]))
108 p[i] = '_';
109
110 return p;
111 }
112
113 void gconf_remove_closed_name(appdata_t *appdata, char *filename) {
114 char *key = g_strdup_printf(GCONF_KEY_CLOSED, get_basename(filename));
115 gconf_client_unset(appdata->gconf_client, key, NULL);
116 g_free(key);
117 }
118
119 void gconf_save_closed_name(appdata_t *appdata, char *filename, char *name) {
120 char *key = g_strdup_printf(GCONF_KEY_CLOSED, get_basename(filename));
121 gconf_client_set_string(appdata->gconf_client, key, name, NULL);
122 g_free(key);
123 }
124
125 char *gconf_restore_closed_name(appdata_t *appdata, char *filename) {
126 char *key = g_strdup_printf(GCONF_KEY_CLOSED, get_basename(filename));
127 char *ret = gconf_client_get_string(appdata->gconf_client, key, NULL);
128 g_free(key);
129 return ret;
130 }
131
132 void gconf_save_state(appdata_t *appdata) {
133 int entries = 0;
134
135 gpx_t *gpx = appdata->gpx;
136 while(gpx) {
137 char str[128];
138 snprintf(str, sizeof(str), GCONF_KEY_GPX, entries++);
139 gconf_client_set_string(appdata->gconf_client, str, gpx->filename, NULL);
140 gpx = gpx->next;
141 }
142
143 gconf_client_set_int(appdata->gconf_client, GCONF_KEY_CNT, entries, NULL);
144
145 /* -------------- save locations (excl. home location) --------------- */
146 entries = 0;
147 location_t *loc = appdata->location;
148 while(loc) {
149 char str[128];
150 snprintf(str, sizeof(str), GCONF_KEY_LOC_NAME, entries);
151 gconf_client_set_string(appdata->gconf_client, str, loc->name, NULL);
152 snprintf(str, sizeof(str), GCONF_KEY_LOC_LAT, entries);
153 gconf_client_set_float(appdata->gconf_client, str, loc->pos.lat, NULL);
154 snprintf(str, sizeof(str), GCONF_KEY_LOC_LON, entries);
155 gconf_client_set_float(appdata->gconf_client, str, loc->pos.lon, NULL);
156 entries++;
157 loc = loc->next;
158 }
159
160 gconf_client_set_int(appdata->gconf_client, GCONF_KEY_LOC_CNT, entries, NULL);
161
162 /* store everything listed in the store table */
163 store_t *st = store;
164 while(st->key) {
165 void **ptr = ((void*)appdata) + st->offset;
166 char *key = g_strdup_printf(GCONF_PATH "%s", st->key);
167
168 switch(st->type) {
169 case STORE_STRING:
170 if((char*)(*ptr)) {
171 gconf_client_set_string(appdata->gconf_client, key, (char*)(*ptr), NULL);
172 }
173 break;
174
175 case STORE_BOOL:
176 gconf_client_set_bool(appdata->gconf_client, key, *((int*)ptr), NULL);
177 break;
178
179 case STORE_INT:
180 gconf_client_set_int(appdata->gconf_client, key, *((int*)ptr), NULL);
181 break;
182
183 case STORE_FLOAT:
184 if(!isnan(*((float*)ptr)))
185 gconf_client_set_float(appdata->gconf_client, key, *((float*)ptr), NULL);
186 break;
187
188 default:
189 printf("Unsupported type %d\n", st->type);
190 break;
191 }
192
193 g_free(key);
194 st++;
195 }
196 }
197
198 void gconf_load_state(appdata_t *appdata) {
199 gpx_t **gpx = &appdata->gpx;
200
201 while(*gpx) gpx = &((*gpx)->next);
202
203 gpx_dialog_t *dialog = NULL;
204
205 /* default positions are invalid */
206 appdata->home.lat = appdata->home.lon = NAN;
207 appdata->manual_goto.lat = appdata->manual_goto.lon = NAN;
208 appdata->gps.lat = appdata->gps.lon = NAN;
209
210 int i, entries = gconf_client_get_int(appdata->gconf_client,
211 GCONF_KEY_CNT, NULL);
212
213 if(entries)
214 dialog = gpx_busy_dialog_new(GTK_WIDGET(appdata->window));
215
216 for(i=0;i<entries;i++) {
217 char str[128];
218 snprintf(str, sizeof(str), GCONF_KEY_GPX, i);
219 char *fname = gconf_client_get_string(appdata->gconf_client, str, NULL);
220 if(fname) {
221 /* check if there's a valid name stored for this file. */
222 /* if yes it's a "closed" file */
223 char *name = gconf_restore_closed_name(appdata, fname);
224 if(name) {
225 *gpx = g_new0(gpx_t, 1);
226 (*gpx)->filename = fname;
227 (*gpx)->name = g_strdup(name);
228 (*gpx)->closed = TRUE;
229 } else {
230 if(g_file_test(fname, G_FILE_TEST_IS_DIR))
231 *gpx = gpx_parse_dir(dialog, fname);
232 else
233 *gpx = gpx_parse(dialog, fname);
234
235 if(!*gpx) {
236 /* restoring the gpx file failed, mark it as unusable, but save */
237 /* its presence for later use */
238
239 /* create "closed" entry to remember this file for next */
240 /* load attempt */
241 *gpx = g_new0(gpx_t, 1);
242 (*gpx)->filename = fname;
243 char *p = fname;
244 if(strrchr(fname, '/'))
245 p = strrchr(fname, '/')+1;
246
247 (*gpx)->name = g_strdup_printf(_("Failed to load: %s"), p);
248 (*gpx)->closed = TRUE;
249 } else
250 free(fname);
251 }
252 gpx = &((*gpx)->next);
253 }
254 }
255
256 gpx_busy_dialog_destroy(dialog);
257
258 /* ------------- load locations --------------------- */
259 entries = gconf_client_get_int(appdata->gconf_client,
260 GCONF_KEY_LOC_CNT, NULL);
261
262 location_t **loc = &appdata->location;
263 for(i=0;i<entries;i++) {
264 *loc = g_new0(location_t, 1);
265 if(*loc) {
266 char str[128];
267 snprintf(str, sizeof(str), GCONF_KEY_LOC_NAME, i);
268 (*loc)->name = gconf_client_get_string(appdata->gconf_client, str, NULL);
269 snprintf(str, sizeof(str), GCONF_KEY_LOC_LAT, i);
270 (*loc)->pos.lat = gconf_client_get_float(appdata->gconf_client, str, NULL);
271 snprintf(str, sizeof(str), GCONF_KEY_LOC_LON, i);
272 (*loc)->pos.lon = gconf_client_get_float(appdata->gconf_client, str, NULL);
273
274 loc = &((*loc)->next);
275 }
276 }
277
278 /* restore everything listed in the store table */
279 store_t *st = store;
280 while(st->key) {
281 void **ptr = ((void*)appdata) + st->offset;
282 char *key = g_strdup_printf(GCONF_PATH "%s", st->key);
283
284 /* check if key is present */
285 GConfValue *value = gconf_client_get(appdata->gconf_client, key, NULL);
286 if(value) {
287 gconf_value_free(value);
288
289 switch(st->type) {
290 case STORE_STRING: {
291 char **str = (char**)ptr;
292 *str = gconf_client_get_string(appdata->gconf_client, key, NULL);
293 } break;
294
295 case STORE_BOOL:
296 *((int*)ptr) = gconf_client_get_bool(appdata->gconf_client, key, NULL);
297 break;
298
299 case STORE_INT:
300 *((int*)ptr) = gconf_client_get_int(appdata->gconf_client, key, NULL);
301 break;
302
303 case STORE_FLOAT:
304 *((float*)ptr) = gconf_client_get_float(appdata->gconf_client, key, NULL);
305 break;
306
307 default:
308 printf("Unsupported type %d\n", st->type);
309 break;
310 }
311 }
312 g_free(key);
313 st++;
314 }
315
316 /* ----- set all kinds of defaults ------- */
317
318 if(!appdata->compass_damping) appdata->compass_damping = 1;
319
320 if(!appdata->mmpoi_radius)
321 appdata->mmpoi_radius = 100.0; // 100 km
322
323 if(!appdata->search)
324 appdata->search = SEARCH_NAME | SEARCH_ID;
325
326 if(!appdata->image_path) {
327 #ifdef USE_MAEMO
328 /* update cachelist by default */
329 appdata->cachelist_update = TRUE;
330 #endif
331
332 /* use gps by default */
333 appdata->use_gps = TRUE;
334
335 #ifndef USE_MAEMO
336 char *p = getenv("HOME");
337 if(p) {
338 /* build image path in home directory */
339 appdata->image_path =
340 malloc(strlen(p)+strlen(DEFAULT_IMAGE_PATH_HOME)+2);
341 strcpy(appdata->image_path, p);
342 if(appdata->image_path[strlen(appdata->image_path)-1] != '/')
343 strcat(appdata->image_path, "/");
344 strcat(appdata->image_path, DEFAULT_IMAGE_PATH_HOME);
345 } else
346 #endif
347 appdata->image_path = strdup(DEFAULT_IMAGE_PATH);
348
349 /* check if this path is actually accessible */
350 /* and change it to the current users home if not */
351 /* (this should only happen on scratchbox) */
352 if(!g_file_test(appdata->image_path, G_FILE_TEST_IS_DIR)) {
353 if(g_mkdir_with_parents(appdata->image_path, 0700) != 0) {
354 char *p = getenv("HOME");
355 if(!p) p = "/tmp/";
356
357 appdata->image_path =
358 g_strdup_printf("%s%s%s", p,
359 (p[strlen(p)-1]!='/')?"/":"",
360 DEFAULT_IMAGE_PATH_HOME);
361 printf("using alt path %s\n", appdata->image_path);
362 }
363 }
364
365 } else {
366 /* some versions old versions messed up the path */
367 if(appdata->image_path[strlen(appdata->image_path)-1] != '/') {
368 printf("adjusting image path\n");
369 appdata->image_path = realloc(appdata->image_path,
370 strlen(appdata->image_path)+2);
371 strcat(appdata->image_path, "/");
372 }
373 }
374
375 if(!appdata->mmpoi_path) {
376 char *p = getenv("HOME");
377 if(p) {
378 /* build mmpoi path in home directory */
379 appdata->mmpoi_path =
380 malloc(strlen(p)+strlen(DEFAULT_MMPOI_PATH)+2);
381 strcpy(appdata->mmpoi_path, p);
382 if(appdata->mmpoi_path[strlen(appdata->mmpoi_path)-1] != '/')
383 strcat(appdata->mmpoi_path, "/");
384 strcat(appdata->mmpoi_path, DEFAULT_MMPOI_PATH);
385 } else
386 appdata->mmpoi_path = strdup(DEFAULT_MMPOI_PATH);
387 }
388
389 if(!appdata->fieldnotes_path) {
390 char *p = getenv("HOME");
391 if(p) {
392 /* build fieldnotes path in home directory */
393 appdata->fieldnotes_path =
394 malloc(strlen(p)+strlen(DEFAULT_FIELDNOTES_PATH)+2);
395 strcpy(appdata->fieldnotes_path, p);
396 if(appdata->fieldnotes_path[strlen(appdata->fieldnotes_path)-1] != '/')
397 strcat(appdata->fieldnotes_path, "/");
398 strcat(appdata->fieldnotes_path, DEFAULT_FIELDNOTES_PATH);
399 } else
400 appdata->fieldnotes_path = strdup(DEFAULT_FIELDNOTES_PATH);
401 }
402
403 if(!appdata->garmin_path) {
404 char *p = getenv("HOME");
405 if(p) {
406 /* build image path in home directory */
407 appdata->garmin_path =
408 malloc(strlen(p)+strlen(DEFAULT_GARMIN_PATH)+2);
409 strcpy(appdata->garmin_path, p);
410 if(appdata->garmin_path[strlen(appdata->garmin_path)-1] != '/')
411 strcat(appdata->garmin_path, "/");
412 strcat(appdata->garmin_path, DEFAULT_GARMIN_PATH);
413 } else
414 appdata->garmin_path = strdup(DEFAULT_GARMIN_PATH);
415 }
416
417 /* make sure image path actually exists */
418 checkdir(appdata->image_path);
419
420 if(!appdata->gpxlist_items)
421 appdata->gpxlist_items = GPXLIST_ITEM_DEFAULT;
422
423 if(!appdata->cachelist_items)
424 appdata->cachelist_items = CACHELIST_ITEM_DEFAULT;
425
426 /* if there are no entries in the main list, try to add the */
427 /* "welcome" one */
428 if(!appdata->gpx) {
429 char *name = g_strdup(ICONPATH "welcome.gpx");
430 dialog = gpx_busy_dialog_new(GTK_WIDGET(appdata->window));
431 printf("No GPX file loaded, trying to load demo\n");
432 appdata->gpx = gpx_parse(dialog, name);
433 gpx_busy_dialog_destroy(dialog);
434 g_free(name);
435 }
436 }
437