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Invalid positions marked by NANs
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 | |
88 | { NULL, -1, -1 } |
89 | }; |
90 | |
91 | static char *get_basename(char *name) { |
92 | char *p = strrchr(name, '/'); |
93 | if(!p) p = name; |
94 | else p = p+1; |
95 | |
96 | g_assert(*p); |
97 | |
98 | /* escape all non alnum characters */ |
99 | p = g_strdup(p); |
100 | int i; |
101 | for(i=0;i<strlen(p);i++) |
102 | if(!isalnum(p[i])) |
103 | p[i] = '_'; |
104 | |
105 | return p; |
106 | } |
107 | |
108 | void gconf_remove_closed_name(appdata_t *appdata, char *filename) { |
109 | char *key = g_strdup_printf(GCONF_KEY_CLOSED, get_basename(filename)); |
110 | gconf_client_unset(appdata->gconf_client, key, NULL); |
111 | g_free(key); |
112 | } |
113 | |
114 | void gconf_save_closed_name(appdata_t *appdata, char *filename, char *name) { |
115 | char *key = g_strdup_printf(GCONF_KEY_CLOSED, get_basename(filename)); |
116 | gconf_client_set_string(appdata->gconf_client, key, name, NULL); |
117 | g_free(key); |
118 | } |
119 | |
120 | char *gconf_restore_closed_name(appdata_t *appdata, char *filename) { |
121 | char *key = g_strdup_printf(GCONF_KEY_CLOSED, get_basename(filename)); |
122 | char *ret = gconf_client_get_string(appdata->gconf_client, key, NULL); |
123 | g_free(key); |
124 | return ret; |
125 | } |
126 | |
127 | void gconf_save_state(appdata_t *appdata) { |
128 | int entries = 0; |
129 | |
130 | gpx_t *gpx = appdata->gpx; |
131 | while(gpx) { |
132 | char str[128]; |
133 | snprintf(str, sizeof(str), GCONF_KEY_GPX, entries++); |
134 | gconf_client_set_string(appdata->gconf_client, str, gpx->filename, NULL); |
135 | gpx = gpx->next; |
136 | } |
137 | |
138 | gconf_client_set_int(appdata->gconf_client, GCONF_KEY_CNT, entries, NULL); |
139 | |
140 | /* -------------- save locations (excl. home location) --------------- */ |
141 | entries = 0; |
142 | location_t *loc = appdata->location; |
143 | while(loc) { |
144 | char str[128]; |
145 | snprintf(str, sizeof(str), GCONF_KEY_LOC_NAME, entries); |
146 | gconf_client_set_string(appdata->gconf_client, str, loc->name, NULL); |
147 | snprintf(str, sizeof(str), GCONF_KEY_LOC_LAT, entries); |
148 | gconf_client_set_float(appdata->gconf_client, str, loc->pos.lat, NULL); |
149 | snprintf(str, sizeof(str), GCONF_KEY_LOC_LON, entries); |
150 | gconf_client_set_float(appdata->gconf_client, str, loc->pos.lon, NULL); |
151 | entries++; |
152 | loc = loc->next; |
153 | } |
154 | |
155 | gconf_client_set_int(appdata->gconf_client, GCONF_KEY_LOC_CNT, entries, NULL); |
156 | |
157 | /* store everything listed in the store table */ |
158 | store_t *st = store; |
159 | while(st->key) { |
160 | void **ptr = ((void*)appdata) + st->offset; |
161 | char *key = g_strdup_printf(GCONF_PATH "%s", st->key); |
162 | |
163 | switch(st->type) { |
164 | case STORE_STRING: |
165 | if((char*)(*ptr)) { |
166 | gconf_client_set_string(appdata->gconf_client, key, (char*)(*ptr), NULL); |
167 | } |
168 | break; |
169 | |
170 | case STORE_BOOL: |
171 | gconf_client_set_bool(appdata->gconf_client, key, *((int*)ptr), NULL); |
172 | break; |
173 | |
174 | case STORE_INT: |
175 | gconf_client_set_int(appdata->gconf_client, key, *((int*)ptr), NULL); |
176 | break; |
177 | |
178 | case STORE_FLOAT: |
179 | if(!isnan(*((float*)ptr))) |
180 | gconf_client_set_float(appdata->gconf_client, key, *((float*)ptr), NULL); |
181 | break; |
182 | |
183 | default: |
184 | printf("Unsupported type %d\n", st->type); |
185 | break; |
186 | } |
187 | |
188 | g_free(key); |
189 | st++; |
190 | } |
191 | } |
192 | |
193 | void gconf_load_state(appdata_t *appdata) { |
194 | gpx_t **gpx = &appdata->gpx; |
195 | |
196 | while(*gpx) gpx = &((*gpx)->next); |
197 | |
198 | gpx_dialog_t *dialog = NULL; |
199 | |
200 | /* default positions are invalid */ |
201 | appdata->home.lat = appdata->home.lon = NAN; |
202 | appdata->manual_goto.lat = appdata->manual_goto.lon = NAN; |
203 | appdata->gps.lat = appdata->gps.lon = NAN; |
204 | |
205 | int i, entries = gconf_client_get_int(appdata->gconf_client, |
206 | GCONF_KEY_CNT, NULL); |
207 | |
208 | if(entries) |
209 | dialog = gpx_busy_dialog_new(GTK_WIDGET(appdata->window)); |
210 | |
211 | for(i=0;i<entries;i++) { |
212 | char str[128]; |
213 | snprintf(str, sizeof(str), GCONF_KEY_GPX, i); |
214 | char *fname = gconf_client_get_string(appdata->gconf_client, str, NULL); |
215 | |
216 | if(fname) { |
217 | /* check if there's a valid name stored for this file. */ |
218 | /* if yes it's a "closed" file */ |
219 | char *name = gconf_restore_closed_name(appdata, fname); |
220 | if(name) { |
221 | *gpx = g_new0(gpx_t, 1); |
222 | (*gpx)->filename = fname; |
223 | (*gpx)->name = g_strdup(name); |
224 | (*gpx)->closed = TRUE; |
225 | } else { |
226 | if(g_file_test(fname, G_FILE_TEST_IS_DIR)) |
227 | *gpx = gpx_parse_dir(dialog, fname); |
228 | else |
229 | *gpx = gpx_parse(dialog, fname); |
230 | |
231 | free(fname); |
232 | } |
233 | } |
234 | |
235 | /* use next gpx entry of this was loaded successfully */ |
236 | if(*gpx) |
237 | gpx = &((*gpx)->next); |
238 | } |
239 | |
240 | gpx_busy_dialog_destroy(dialog); |
241 | |
242 | /* ------------- load locations --------------------- */ |
243 | entries = gconf_client_get_int(appdata->gconf_client, |
244 | GCONF_KEY_LOC_CNT, NULL); |
245 | |
246 | location_t **loc = &appdata->location; |
247 | for(i=0;i<entries;i++) { |
248 | *loc = g_new0(location_t, 1); |
249 | if(*loc) { |
250 | char str[128]; |
251 | snprintf(str, sizeof(str), GCONF_KEY_LOC_NAME, i); |
252 | (*loc)->name = gconf_client_get_string(appdata->gconf_client, str, NULL); |
253 | snprintf(str, sizeof(str), GCONF_KEY_LOC_LAT, i); |
254 | (*loc)->pos.lat = gconf_client_get_float(appdata->gconf_client, str, NULL); |
255 | snprintf(str, sizeof(str), GCONF_KEY_LOC_LON, i); |
256 | (*loc)->pos.lon = gconf_client_get_float(appdata->gconf_client, str, NULL); |
257 | |
258 | loc = &((*loc)->next); |
259 | } |
260 | } |
261 | |
262 | /* restore everything listed in the store table */ |
263 | store_t *st = store; |
264 | while(st->key) { |
265 | void **ptr = ((void*)appdata) + st->offset; |
266 | char *key = g_strdup_printf(GCONF_PATH "%s", st->key); |
267 | |
268 | /* check if key is present */ |
269 | GConfValue *value = gconf_client_get(appdata->gconf_client, key, NULL); |
270 | if(value) { |
271 | gconf_value_free(value); |
272 | |
273 | switch(st->type) { |
274 | case STORE_STRING: { |
275 | char **str = (char**)ptr; |
276 | *str = gconf_client_get_string(appdata->gconf_client, key, NULL); |
277 | } break; |
278 | |
279 | case STORE_BOOL: |
280 | *((int*)ptr) = gconf_client_get_bool(appdata->gconf_client, key, NULL); |
281 | break; |
282 | |
283 | case STORE_INT: |
284 | *((int*)ptr) = gconf_client_get_int(appdata->gconf_client, key, NULL); |
285 | break; |
286 | |
287 | case STORE_FLOAT: |
288 | *((float*)ptr) = gconf_client_get_float(appdata->gconf_client, key, NULL); |
289 | break; |
290 | |
291 | default: |
292 | printf("Unsupported type %d\n", st->type); |
293 | break; |
294 | } |
295 | } |
296 | g_free(key); |
297 | st++; |
298 | } |
299 | |
300 | /* ----- set all kinds of defaults ------- */ |
301 | |
302 | if(!appdata->compass_damping) appdata->compass_damping = 1; |
303 | |
304 | if(!appdata->mmpoi_radius) |
305 | appdata->mmpoi_radius = 100.0; // 100 km |
306 | |
307 | if(!appdata->search) |
308 | appdata->search = SEARCH_NAME | SEARCH_ID; |
309 | |
310 | if(!appdata->image_path) { |
311 | |
312 | /* use gps by default */ |
313 | appdata->use_gps = TRUE; |
314 | |
315 | #ifndef USE_MAEMO |
316 | char *p = getenv("HOME"); |
317 | if(p) { |
318 | /* build image path in home directory */ |
319 | appdata->image_path = |
320 | malloc(strlen(p)+strlen(DEFAULT_IMAGE_PATH_HOME)+2); |
321 | strcpy(appdata->image_path, p); |
322 | if(appdata->image_path[strlen(appdata->image_path)-1] != '/') |
323 | strcat(appdata->image_path, "/"); |
324 | strcat(appdata->image_path, DEFAULT_IMAGE_PATH_HOME); |
325 | } else |
326 | #endif |
327 | appdata->image_path = strdup(DEFAULT_IMAGE_PATH); |
328 | |
329 | } else { |
330 | /* some versions old versions messed up the path */ |
331 | if(appdata->image_path[strlen(appdata->image_path)-1] != '/') { |
332 | printf("adjusting image path\n"); |
333 | appdata->image_path = realloc(appdata->image_path, |
334 | strlen(appdata->image_path)+2); |
335 | strcat(appdata->image_path, "/"); |
336 | } |
337 | } |
338 | |
339 | if(!appdata->mmpoi_path) { |
340 | char *p = getenv("HOME"); |
341 | if(p) { |
342 | /* build mmpoi path in home directory */ |
343 | appdata->mmpoi_path = |
344 | malloc(strlen(p)+strlen(DEFAULT_MMPOI_PATH)+2); |
345 | strcpy(appdata->mmpoi_path, p); |
346 | if(appdata->mmpoi_path[strlen(appdata->mmpoi_path)-1] != '/') |
347 | strcat(appdata->mmpoi_path, "/"); |
348 | strcat(appdata->mmpoi_path, DEFAULT_MMPOI_PATH); |
349 | } else |
350 | appdata->mmpoi_path = strdup(DEFAULT_MMPOI_PATH); |
351 | } |
352 | |
353 | if(!appdata->fieldnotes_path) { |
354 | char *p = getenv("HOME"); |
355 | if(p) { |
356 | /* build fieldnotes path in home directory */ |
357 | appdata->fieldnotes_path = |
358 | malloc(strlen(p)+strlen(DEFAULT_FIELDNOTES_PATH)+2); |
359 | strcpy(appdata->fieldnotes_path, p); |
360 | if(appdata->fieldnotes_path[strlen(appdata->fieldnotes_path)-1] != '/') |
361 | strcat(appdata->fieldnotes_path, "/"); |
362 | strcat(appdata->fieldnotes_path, DEFAULT_FIELDNOTES_PATH); |
363 | } else |
364 | appdata->fieldnotes_path = strdup(DEFAULT_FIELDNOTES_PATH); |
365 | } |
366 | |
367 | if(!appdata->garmin_path) { |
368 | char *p = getenv("HOME"); |
369 | if(p) { |
370 | /* build image path in home directory */ |
371 | appdata->garmin_path = |
372 | malloc(strlen(p)+strlen(DEFAULT_GARMIN_PATH)+2); |
373 | strcpy(appdata->garmin_path, p); |
374 | if(appdata->garmin_path[strlen(appdata->garmin_path)-1] != '/') |
375 | strcat(appdata->garmin_path, "/"); |
376 | strcat(appdata->garmin_path, DEFAULT_GARMIN_PATH); |
377 | } else |
378 | appdata->garmin_path = strdup(DEFAULT_GARMIN_PATH); |
379 | } |
380 | |
381 | /* make sure image path actually exists */ |
382 | checkdir(appdata->image_path); |
383 | |
384 | if(!appdata->gpxlist_items) |
385 | appdata->gpxlist_items = GPXLIST_ITEM_DEFAULT; |
386 | |
387 | if(!appdata->cachelist_items) |
388 | appdata->cachelist_items = CACHELIST_ITEM_DEFAULT; |
389 | |
390 | /* if there are no entries in the main list, try to add the */ |
391 | /* "welcome" one */ |
392 | if(!appdata->gpx) { |
393 | char *name = g_strdup(ICONPATH "welcome.gpx"); |
394 | dialog = gpx_busy_dialog_new(GTK_WIDGET(appdata->window)); |
395 | printf("No GPX file loaded, trying to load demo\n"); |
396 | appdata->gpx = gpx_parse(dialog, name); |
397 | gpx_busy_dialog_destroy(dialog); |
398 | g_free(name); |
399 | } |
400 | } |
401 |