Contents of /trunk/src/gconf.c

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Revision 103 - (show annotations)
Wed Sep 9 11:50:50 2009 UTC (14 years, 8 months ago) by harbaum
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OSD scale done
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 fake entry to remember this file for next load attempt */
240 *gpx = g_new0(gpx_t, 1);
241 (*gpx)->filename = fname;
242 (*gpx)->failed = TRUE;
243 } else
244 free(fname);
245 }
246 gpx = &((*gpx)->next);
247 }
248 }
249
250 gpx_busy_dialog_destroy(dialog);
251
252 /* ------------- load locations --------------------- */
253 entries = gconf_client_get_int(appdata->gconf_client,
254 GCONF_KEY_LOC_CNT, NULL);
255
256 location_t **loc = &appdata->location;
257 for(i=0;i<entries;i++) {
258 *loc = g_new0(location_t, 1);
259 if(*loc) {
260 char str[128];
261 snprintf(str, sizeof(str), GCONF_KEY_LOC_NAME, i);
262 (*loc)->name = gconf_client_get_string(appdata->gconf_client, str, NULL);
263 snprintf(str, sizeof(str), GCONF_KEY_LOC_LAT, i);
264 (*loc)->pos.lat = gconf_client_get_float(appdata->gconf_client, str, NULL);
265 snprintf(str, sizeof(str), GCONF_KEY_LOC_LON, i);
266 (*loc)->pos.lon = gconf_client_get_float(appdata->gconf_client, str, NULL);
267
268 loc = &((*loc)->next);
269 }
270 }
271
272 /* restore everything listed in the store table */
273 store_t *st = store;
274 while(st->key) {
275 void **ptr = ((void*)appdata) + st->offset;
276 char *key = g_strdup_printf(GCONF_PATH "%s", st->key);
277
278 /* check if key is present */
279 GConfValue *value = gconf_client_get(appdata->gconf_client, key, NULL);
280 if(value) {
281 gconf_value_free(value);
282
283 switch(st->type) {
284 case STORE_STRING: {
285 char **str = (char**)ptr;
286 *str = gconf_client_get_string(appdata->gconf_client, key, NULL);
287 } break;
288
289 case STORE_BOOL:
290 *((int*)ptr) = gconf_client_get_bool(appdata->gconf_client, key, NULL);
291 break;
292
293 case STORE_INT:
294 *((int*)ptr) = gconf_client_get_int(appdata->gconf_client, key, NULL);
295 break;
296
297 case STORE_FLOAT:
298 *((float*)ptr) = gconf_client_get_float(appdata->gconf_client, key, NULL);
299 break;
300
301 default:
302 printf("Unsupported type %d\n", st->type);
303 break;
304 }
305 }
306 g_free(key);
307 st++;
308 }
309
310 /* ----- set all kinds of defaults ------- */
311
312 if(!appdata->compass_damping) appdata->compass_damping = 1;
313
314 if(!appdata->mmpoi_radius)
315 appdata->mmpoi_radius = 100.0; // 100 km
316
317 if(!appdata->search)
318 appdata->search = SEARCH_NAME | SEARCH_ID;
319
320 if(!appdata->image_path) {
321
322 /* use gps by default */
323 appdata->use_gps = TRUE;
324
325 #ifndef USE_MAEMO
326 char *p = getenv("HOME");
327 if(p) {
328 /* build image path in home directory */
329 appdata->image_path =
330 malloc(strlen(p)+strlen(DEFAULT_IMAGE_PATH_HOME)+2);
331 strcpy(appdata->image_path, p);
332 if(appdata->image_path[strlen(appdata->image_path)-1] != '/')
333 strcat(appdata->image_path, "/");
334 strcat(appdata->image_path, DEFAULT_IMAGE_PATH_HOME);
335 } else
336 #endif
337 appdata->image_path = strdup(DEFAULT_IMAGE_PATH);
338
339 /* check if this path is actually accessible */
340 /* and change it to the current users home if not */
341 /* (this should only happen on scratchbox) */
342 if(!g_file_test(appdata->image_path, G_FILE_TEST_IS_DIR)) {
343 if(g_mkdir_with_parents(appdata->image_path, 0700) != 0) {
344 char *p = getenv("HOME");
345 if(!p) p = "/tmp/";
346
347 appdata->image_path =
348 g_strdup_printf("%s%s%s", p,
349 (p[strlen(p)-1]!='/')?"/":"",
350 DEFAULT_IMAGE_PATH_HOME);
351 printf("using alt path %s\n", appdata->image_path);
352 }
353 }
354
355 } else {
356 /* some versions old versions messed up the path */
357 if(appdata->image_path[strlen(appdata->image_path)-1] != '/') {
358 printf("adjusting image path\n");
359 appdata->image_path = realloc(appdata->image_path,
360 strlen(appdata->image_path)+2);
361 strcat(appdata->image_path, "/");
362 }
363 }
364
365 if(!appdata->mmpoi_path) {
366 char *p = getenv("HOME");
367 if(p) {
368 /* build mmpoi path in home directory */
369 appdata->mmpoi_path =
370 malloc(strlen(p)+strlen(DEFAULT_MMPOI_PATH)+2);
371 strcpy(appdata->mmpoi_path, p);
372 if(appdata->mmpoi_path[strlen(appdata->mmpoi_path)-1] != '/')
373 strcat(appdata->mmpoi_path, "/");
374 strcat(appdata->mmpoi_path, DEFAULT_MMPOI_PATH);
375 } else
376 appdata->mmpoi_path = strdup(DEFAULT_MMPOI_PATH);
377 }
378
379 if(!appdata->fieldnotes_path) {
380 char *p = getenv("HOME");
381 if(p) {
382 /* build fieldnotes path in home directory */
383 appdata->fieldnotes_path =
384 malloc(strlen(p)+strlen(DEFAULT_FIELDNOTES_PATH)+2);
385 strcpy(appdata->fieldnotes_path, p);
386 if(appdata->fieldnotes_path[strlen(appdata->fieldnotes_path)-1] != '/')
387 strcat(appdata->fieldnotes_path, "/");
388 strcat(appdata->fieldnotes_path, DEFAULT_FIELDNOTES_PATH);
389 } else
390 appdata->fieldnotes_path = strdup(DEFAULT_FIELDNOTES_PATH);
391 }
392
393 if(!appdata->garmin_path) {
394 char *p = getenv("HOME");
395 if(p) {
396 /* build image path in home directory */
397 appdata->garmin_path =
398 malloc(strlen(p)+strlen(DEFAULT_GARMIN_PATH)+2);
399 strcpy(appdata->garmin_path, p);
400 if(appdata->garmin_path[strlen(appdata->garmin_path)-1] != '/')
401 strcat(appdata->garmin_path, "/");
402 strcat(appdata->garmin_path, DEFAULT_GARMIN_PATH);
403 } else
404 appdata->garmin_path = strdup(DEFAULT_GARMIN_PATH);
405 }
406
407 /* make sure image path actually exists */
408 checkdir(appdata->image_path);
409
410 if(!appdata->gpxlist_items)
411 appdata->gpxlist_items = GPXLIST_ITEM_DEFAULT;
412
413 if(!appdata->cachelist_items)
414 appdata->cachelist_items = CACHELIST_ITEM_DEFAULT;
415
416 /* if there are no entries in the main list, try to add the */
417 /* "welcome" one */
418 if(!appdata->gpx) {
419 char *name = g_strdup(ICONPATH "welcome.gpx");
420 dialog = gpx_busy_dialog_new(GTK_WIDGET(appdata->window));
421 printf("No GPX file loaded, trying to load demo\n");
422 appdata->gpx = gpx_parse(dialog, name);
423 gpx_busy_dialog_destroy(dialog);
424 g_free(name);
425 }
426 }
427