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GPS focus enable, portrait support and some attribute icon work
1 | /* |
2 | * Copyright (C) 2008-2009 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 | /* |
21 | * http://topo.geofabrik.de/relief/${z}/${x}/${y}.png 8-15 |
22 | * http://topo.geofabrik.de/trail/${z}/${x}/${y}.png 8-15 |
23 | */ |
24 | |
25 | /* |
26 | * TODO: |
27 | * - make semi-transparent caches selectable |
28 | */ |
29 | |
30 | #include "gpxview.h" |
31 | #include "converter.h" |
32 | #include <math.h> // for isnan |
33 | |
34 | #ifdef ENABLE_OSM_GPS_MAP |
35 | #include "osm-gps-map.h" |
36 | #include "osm-gps-map-osd-classic.h" |
37 | #endif |
38 | |
39 | #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5) |
40 | #include <gdk/gdkx.h> |
41 | #include <X11/Xatom.h> |
42 | #endif |
43 | |
44 | /* default values */ |
45 | #define MAP_SOURCE OSM_GPS_MAP_SOURCE_OPENCYCLEMAP |
46 | #define GPS_DEFAULT_ZOOM 13 |
47 | |
48 | #define PROXY_KEY "/system/http_proxy/" |
49 | |
50 | static const char *get_proxy_uri(appdata_t *appdata) { |
51 | static char proxy_buffer[64] = ""; |
52 | |
53 | /* use environment settings if preset */ |
54 | const char *proxy = g_getenv("http_proxy"); |
55 | if(proxy) { |
56 | printf("map http proxy from env: %s\n", proxy); |
57 | return proxy; |
58 | } |
59 | |
60 | /* ------------- get proxy settings -------------------- */ |
61 | if(gconf_client_get_bool(appdata->gconf_client, |
62 | PROXY_KEY "use_http_proxy", NULL)) { |
63 | |
64 | /* we can savely ignore things like "ignore_hosts" since we */ |
65 | /* are pretty sure not inside the net of one of our map renderers */ |
66 | /* (unless the user works at google :-) */ |
67 | |
68 | /* get basic settings */ |
69 | char *host = |
70 | gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL); |
71 | if(host) { |
72 | int port = |
73 | gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL); |
74 | |
75 | snprintf(proxy_buffer, sizeof(proxy_buffer), |
76 | "http://%s:%u", host, port); |
77 | printf("map http proxy from gconf: %s\n ", proxy_buffer); |
78 | |
79 | g_free(host); |
80 | } |
81 | return proxy_buffer; |
82 | } |
83 | |
84 | return NULL; |
85 | } |
86 | |
87 | |
88 | pos_t *map_gps_get_pos(map_context_t *context) { |
89 | static pos_t pos; |
90 | |
91 | if(context->gps.set & FIX_LATLON_SET) { |
92 | pos.lat = context->gps.fix.latitude; |
93 | pos.lon = context->gps.fix.longitude; |
94 | return &pos; |
95 | } |
96 | |
97 | return NULL; |
98 | } |
99 | |
100 | pos_t *map_get_pos(map_context_t *context) { |
101 | pos_t *pos = &context->appdata->home; |
102 | |
103 | if(context->appdata->active_location) { |
104 | int i = context->appdata->active_location-1; |
105 | location_t *loc = context->appdata->location; |
106 | while(i--) loc = loc->next; |
107 | pos = &loc->pos; |
108 | } |
109 | |
110 | if(context->appdata->use_gps) |
111 | pos = map_gps_get_pos(context); |
112 | |
113 | return pos; |
114 | } |
115 | |
116 | float map_gps_get_heading(map_context_t *context) { |
117 | if(context->gps.set & FIX_TRACK_SET) |
118 | return context->gps.fix.track; |
119 | |
120 | return NAN; |
121 | } |
122 | |
123 | float map_gps_get_eph(map_context_t *context) { |
124 | if(context->gps.set & FIX_HERR_SET) |
125 | return context->gps.fix.eph; |
126 | |
127 | return NAN; |
128 | } |
129 | |
130 | /* callback called by the gps layer whenever gps state changes */ |
131 | static void |
132 | gps_callback(gps_mask_t set, struct gps_t *fix, void *data) { |
133 | map_context_t *context = (map_context_t*)data; |
134 | |
135 | printf("map: gps callback\n"); |
136 | |
137 | context->gps.set = set; |
138 | memcpy(&context->gps.fix, fix, sizeof(struct gps_t)); |
139 | } |
140 | |
141 | static void |
142 | cb_map_gps(osd_button_t but, map_context_t *context) { |
143 | |
144 | if(but == OSD_GPS) { |
145 | printf("clicked OSD_GPS %p\n", context); |
146 | printf("clicked OSD_GPS a %p\n", context->appdata); |
147 | |
148 | pos_t *refpos = get_pos(context->appdata); |
149 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
150 | gint zoom; |
151 | g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL); |
152 | if(zoom < 10) |
153 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
154 | refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM); |
155 | else |
156 | osm_gps_map_set_center(OSM_GPS_MAP(context->widget), |
157 | refpos->lat, refpos->lon); |
158 | |
159 | /* re-enable centering */ |
160 | g_object_set(context->widget, "auto-center", TRUE, NULL); |
161 | } else { |
162 | /* no coordinates given: display the entire world */ |
163 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
164 | 0.0, 0.0, 1); |
165 | } |
166 | } |
167 | } |
168 | |
169 | static int dist2pixel(map_context_t *context, float km, float lat) { |
170 | return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget)); |
171 | } |
172 | |
173 | static gboolean map_gps_update(gpointer data) { |
174 | map_context_t *context = (map_context_t*)data; |
175 | |
176 | #ifdef USE_MAEMO |
177 | if(context->appdata->goto_disable_screensaver) |
178 | if(osso_display_blanking_pause(context->appdata->osso_context) != OSSO_OK) |
179 | fprintf(stderr, "error with display blank\n"); |
180 | #endif |
181 | |
182 | /* get reference position ... */ |
183 | pos_t *refpos = map_get_pos(context); |
184 | gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon); |
185 | |
186 | /* ... and enable "goto" button if it's valid */ |
187 | if(ok != context->goto_is_enabled) { |
188 | osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget), |
189 | OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context); |
190 | context->goto_is_enabled = ok; |
191 | } |
192 | |
193 | if(ok) { |
194 | float heading = NAN; |
195 | int radius = 0; |
196 | |
197 | if(context->appdata->use_gps) { |
198 | heading = map_gps_get_heading(context); |
199 | |
200 | /* get error */ |
201 | float eph = map_gps_get_eph(context); |
202 | if(!isnan(eph)) |
203 | radius = dist2pixel(context, eph/1000, refpos->lat); |
204 | } |
205 | |
206 | /* TODO: in order to save energy: only draw if state actually changed */ |
207 | |
208 | g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL); |
209 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget), |
210 | refpos->lat, refpos->lon, heading); |
211 | } else |
212 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget)); |
213 | |
214 | return TRUE; |
215 | } |
216 | |
217 | static void map_draw_cache(GtkWidget *map, cache_t *cache, gboolean semi) { |
218 | int type = semi?ICON_CACHE_TYPE_SEMI:ICON_CACHE_TYPE; |
219 | |
220 | GdkPixbuf *icon = icon_get(type, cache->type); |
221 | GdkPixbuf *over = NULL; |
222 | |
223 | if(cache->mine) over = icon_get(type, 14); |
224 | else if(cache->found) over = icon_get(type, 12); |
225 | else if(cache->notes) { |
226 | if(cache->notes->found) over = icon_get(type, 12); |
227 | else if(cache->notes->override) over = icon_get(type, 11); |
228 | else over = icon_get(type, 13); |
229 | } |
230 | |
231 | pos_t *pos = &cache->pos; |
232 | /* check if there's also an overwritten coordinate */ |
233 | if(cache->notes && cache->notes->override) |
234 | pos = &cache->notes->pos; |
235 | |
236 | if(!isnan(pos->lat) && !isnan(pos->lon)) { |
237 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
238 | pos->lat, pos->lon, icon); |
239 | if(over) |
240 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
241 | pos->lat, pos->lon, over); |
242 | } |
243 | } |
244 | |
245 | static void map_draw_wpt(GtkWidget *map, cache_t *cache, wpt_t *wpt) { |
246 | /* only draw wpts that don't equal the main point */ |
247 | if(pos_differ(&cache->pos, &wpt->pos)) { |
248 | if(!isnan(wpt->pos.lat) && !isnan(wpt->pos.lon)) { |
249 | GdkPixbuf *icon = |
250 | icon_get(ICON_WPT, (wpt->sym!=WPT_SYM_UNKNOWN)? |
251 | wpt->sym:WPT_SYM_REFPOINT); |
252 | |
253 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
254 | wpt->pos.lat, wpt->pos.lon, icon); |
255 | } |
256 | } |
257 | } |
258 | |
259 | static void map_draw_gpx(appdata_t *appdata, cache_display_t *caches, |
260 | GtkWidget *map, gpx_t *gpx, |
261 | cache_t *nav, gboolean semi) { |
262 | if(!gpx->notes_loaded) { |
263 | notes_load_all(appdata, gpx); |
264 | gpx->notes_loaded = TRUE; |
265 | } |
266 | |
267 | cache_t *cache = gpx->cache; |
268 | while(cache) { |
269 | /* search if we have that cache already in our list/displayed */ |
270 | int i=0; |
271 | while(caches[i].id && (strcmp(caches[i].id, cache->id) != 0)) |
272 | i++; |
273 | |
274 | if(!caches[i].id) { |
275 | /* if nav is given draw all other caches semitransparent. */ |
276 | /* if nav is not given do what semi sais */ |
277 | map_draw_cache(map, cache, nav?(cache != nav):semi); |
278 | caches[i].id = cache->id; |
279 | |
280 | /* also draw waypoints of nav cache */ |
281 | if(nav && cache == nav) { |
282 | wpt_t *wpt = cache->wpt; |
283 | while(wpt) { |
284 | map_draw_wpt(map, cache, wpt); |
285 | wpt = wpt->next; |
286 | } |
287 | } |
288 | } |
289 | |
290 | cache = cache->next; |
291 | } |
292 | } |
293 | |
294 | static cache_t *cache_search_first(gpx_t *gpx, cache_t *cache) { |
295 | while(gpx) { |
296 | cache_t *cur = gpx->cache; |
297 | while(cur) { |
298 | /* we do a string comparision to make sure that if copies */ |
299 | /* exist, we get the original one */ |
300 | if(!strcmp(cache->id, cur->id)) |
301 | return cur; |
302 | |
303 | cur = cur->next; |
304 | } |
305 | gpx = gpx->next; |
306 | } |
307 | g_assert(FALSE); |
308 | return NULL; |
309 | } |
310 | |
311 | /* draw geocaches and set window title */ |
312 | static void map_setup(map_context_t *context) { |
313 | char *name = NULL; |
314 | |
315 | int cache_num = gpx_total_caches_global(context->appdata->gpx); |
316 | |
317 | if(context->caches_displayed && (cache_num != context->cache_list_len)) { |
318 | // printf("re-alloc because %p %d/%d\n", context->caches_displayed, |
319 | // cache_num, context->cache_list_len); |
320 | g_free(context->caches_displayed); |
321 | context->caches_displayed = NULL; |
322 | context->cache_list_len = 0; |
323 | } |
324 | |
325 | /* allocate buffer */ |
326 | if(cache_num && !context->caches_displayed) { |
327 | context->cache_list_len = cache_num; |
328 | context->caches_displayed = g_new0(cache_display_t, cache_num+1); |
329 | printf("allocated space to handle %d map icons\n", cache_num); |
330 | } |
331 | |
332 | if(context->appdata->search_results && !context->appdata->cur_cache) { |
333 | if(context->state != MAP_SEARCH) { |
334 | printf("map_setup(SEARCH)\n"); |
335 | |
336 | /* clear any pending balloon */ |
337 | context->balloon = NULL; |
338 | osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget)); |
339 | |
340 | #ifdef OSD_NAV |
341 | /* no navigation in this mode */ |
342 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
343 | #endif |
344 | |
345 | /* clear all existing cache images */ |
346 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
347 | |
348 | if(context->caches_displayed) { |
349 | memset(context->caches_displayed, 0, |
350 | (cache_num+1) * sizeof(cache_display_t)); |
351 | |
352 | /* draw search results and all other gpx files are semi-transparent */ |
353 | map_draw_gpx(context->appdata, context->caches_displayed, |
354 | context->widget, context->appdata->search_results, |
355 | NULL, FALSE); |
356 | |
357 | gpx_t *gpx = context->appdata->gpx; |
358 | while(gpx) { |
359 | map_draw_gpx(context->appdata, context->caches_displayed, |
360 | context->widget, gpx, NULL, TRUE); |
361 | |
362 | gpx = gpx->next; |
363 | } |
364 | } |
365 | name = g_strdup(_("Search results")); |
366 | context->state = MAP_SEARCH; |
367 | } |
368 | } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
369 | if(context->state != MAP_ALL) { |
370 | printf("map_setup(ALL)\n"); |
371 | |
372 | /* clear any pending balloon */ |
373 | context->balloon = NULL; |
374 | osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget)); |
375 | |
376 | #ifdef OSD_NAV |
377 | /* no navigation in this mode */ |
378 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
379 | #endif |
380 | |
381 | /* clear all existing cache images */ |
382 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
383 | if(context->caches_displayed) { |
384 | memset(context->caches_displayed, 0, |
385 | (cache_num+1) * sizeof(cache_display_t)); |
386 | |
387 | /* draw all geocaches and none is semi-transparent */ |
388 | gpx_t *gpx = context->appdata->gpx; |
389 | while(gpx) { |
390 | map_draw_gpx(context->appdata, context->caches_displayed, |
391 | context->widget, gpx, NULL, FALSE); |
392 | gpx = gpx->next; |
393 | } |
394 | |
395 | { |
396 | int i=0; |
397 | while(context->caches_displayed[i].id) i++; |
398 | printf("number of caches actually displayed: %d\n", i); |
399 | } |
400 | } |
401 | name = g_strdup(_("all")); |
402 | context->state = MAP_ALL; |
403 | } |
404 | } else if(!context->appdata->cur_cache) { |
405 | if(context->state != MAP_GPX) { |
406 | printf("map_setup(GPX)\n"); |
407 | |
408 | /* clear any pending balloon */ |
409 | context->balloon = NULL; |
410 | osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget)); |
411 | |
412 | #ifdef OSD_NAV |
413 | /* no navigation in this mode */ |
414 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
415 | #endif |
416 | |
417 | /* clear all existing cache images */ |
418 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
419 | if(context->caches_displayed) { |
420 | memset(context->caches_displayed, 0, |
421 | (cache_num+1) * sizeof(cache_display_t)); |
422 | |
423 | /* draw all geocaches and all other gpx files are semi-transparent */ |
424 | map_draw_gpx(context->appdata, context->caches_displayed, |
425 | context->widget, context->appdata->cur_gpx, NULL, FALSE); |
426 | |
427 | gpx_t *gpx = context->appdata->gpx; |
428 | while(gpx) { |
429 | if(gpx != context->appdata->cur_gpx) |
430 | map_draw_gpx(context->appdata, context->caches_displayed, |
431 | context->widget, gpx, NULL, TRUE); |
432 | |
433 | gpx = gpx->next; |
434 | } |
435 | } |
436 | |
437 | name = g_strdup(context->appdata->cur_gpx->name); |
438 | context->state = MAP_GPX; |
439 | } |
440 | } else { |
441 | cache_t *cache = context->appdata->cur_cache; |
442 | |
443 | printf("map_setup(CACHE)\n"); |
444 | |
445 | /* clear any pending balloon */ |
446 | context->balloon = NULL; |
447 | osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget)); |
448 | |
449 | /* clear all existing ccahe images */ |
450 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
451 | if(context->caches_displayed) { |
452 | memset(context->caches_displayed, 0, |
453 | (cache_num+1) * sizeof(cache_display_t)); |
454 | |
455 | /* Make sure we really work on the first copy in the list as */ |
456 | /* only this is being used if duplicates exist */ |
457 | cache = cache_search_first(context->appdata->gpx, cache); |
458 | |
459 | /* draw all geocaches and all but selected one are semi-transparent */ |
460 | gpx_t *gpx = context->appdata->gpx; |
461 | while(gpx) { |
462 | map_draw_gpx(context->appdata, context->caches_displayed, |
463 | context->widget, gpx, cache, FALSE); |
464 | gpx = gpx->next; |
465 | } |
466 | } |
467 | |
468 | name = g_strdup(cache->name); |
469 | context->state = MAP_CACHE; |
470 | |
471 | /* navigation in this mode! */ |
472 | pos_t cpos = gpx_cache_pos(cache); |
473 | |
474 | #ifdef OSD_NAV |
475 | osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget), |
476 | context->appdata->imperial, |
477 | cpos.lat, cpos.lon, cache->name); |
478 | #else |
479 | #warning OSD_NAV not defined! |
480 | #endif |
481 | } |
482 | |
483 | /* also mark geomath position */ |
484 | |
485 | /* remove all existing appearances of this icon first */ |
486 | osm_gps_map_remove_image(OSM_GPS_MAP(context->widget), |
487 | icon_get(ICON_MISC, 4)); |
488 | |
489 | if(!isnan(context->appdata->geomath.lat) && |
490 | !isnan(context->appdata->geomath.lon)) { |
491 | |
492 | osm_gps_map_add_image(OSM_GPS_MAP(context->widget), |
493 | context->appdata->geomath.lat, |
494 | context->appdata->geomath.lon, |
495 | icon_get(ICON_MISC, 4)); |
496 | } |
497 | |
498 | if(name) { |
499 | gtk_window_set_title(GTK_WINDOW(context->window), name); |
500 | g_free(name); |
501 | } else |
502 | printf("map_setup(keep)\n"); |
503 | } |
504 | |
505 | static void |
506 | map_cachelist_nearest(cache_t *cache, pos_t *pos, |
507 | cache_t **result, float *distance) { |
508 | |
509 | while(cache) { |
510 | pos_t cpos = gpx_cache_pos(cache); |
511 | |
512 | float dist = |
513 | pow(cpos.lat - pos->lat, 2) + |
514 | pow(cpos.lon - pos->lon, 2); |
515 | |
516 | if(!(dist > *distance)) { |
517 | *result = cache; |
518 | *distance = dist; |
519 | } |
520 | |
521 | cache = cache->next; |
522 | } |
523 | } |
524 | |
525 | static cache_t *map_closest(map_context_t *context, pos_t *pos) { |
526 | cache_t *result = NULL; |
527 | float distance = NAN; |
528 | |
529 | if(context->appdata->search_results && !context->appdata->cur_cache) { |
530 | /* search search results */ |
531 | map_cachelist_nearest(context->appdata->search_results->cache, |
532 | pos, &result, &distance); |
533 | } else if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
534 | /* search all geocaches */ |
535 | gpx_t *gpx = context->appdata->gpx; |
536 | while(gpx) { |
537 | map_cachelist_nearest(gpx->cache, pos, &result, &distance); |
538 | gpx = gpx->next; |
539 | } |
540 | } else if(context->appdata->cur_gpx) { |
541 | /* search in current gpx file */ |
542 | map_cachelist_nearest(context->appdata->cur_gpx->cache, |
543 | pos, &result, &distance); |
544 | } else |
545 | result = context->appdata->cur_cache; |
546 | |
547 | /* make sure this is the first hit */ |
548 | if(context->caches_displayed) |
549 | result = cache_search_first(context->appdata->gpx, result); |
550 | |
551 | return result; |
552 | } |
553 | |
554 | /* translate between osm-gps-map positions and gpxview ones */ |
555 | pos_t coord2pos(coord_t coo) { |
556 | pos_t pos; |
557 | pos.lat = rad2deg(coo.rlat); |
558 | pos.lon = rad2deg(coo.rlon); |
559 | return pos; |
560 | } |
561 | |
562 | #define CLICK_FUZZ (24) |
563 | |
564 | static gboolean |
565 | on_map_button_press_event(GtkWidget *widget, |
566 | GdkEventButton *event, map_context_t *context) { |
567 | |
568 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
569 | |
570 | /* check if we actually clicked parts of the OSD */ |
571 | if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE) |
572 | return FALSE; |
573 | |
574 | /* got a press event without release event? eat it! */ |
575 | if(context->press_on != NULL) { |
576 | printf("PRESS: already\n"); |
577 | return FALSE; |
578 | } |
579 | |
580 | pos_t pos = |
581 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
582 | |
583 | cache_t *nearest = map_closest(context, &pos); |
584 | if(nearest) { |
585 | pos_t cpos = gpx_cache_pos(nearest); |
586 | |
587 | float dist = gpx_pos_get_distance(pos, cpos, FALSE); |
588 | if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) |
589 | context->press_on = nearest; |
590 | } |
591 | |
592 | return FALSE; |
593 | } |
594 | |
595 | static void |
596 | cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) { |
597 | /* convert the pixbuf into something cairo can handle */ |
598 | |
599 | // Create a new ImageSurface |
600 | cairo_surface_t *image_surface = |
601 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
602 | gdk_pixbuf_get_width(buf), |
603 | gdk_pixbuf_get_height(buf)); |
604 | |
605 | // Create the new Context for the ImageSurface |
606 | g_assert(image_surface); |
607 | cairo_t *context = cairo_create(image_surface); |
608 | |
609 | // Draw the image on the new Context |
610 | gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0); |
611 | cairo_paint(context); |
612 | |
613 | // now draw this onto the original context |
614 | cairo_set_source_surface(cr, image_surface, x, y); |
615 | |
616 | cairo_paint(cr); |
617 | } |
618 | |
619 | #ifndef BIG_BALLOONS |
620 | #define ICON_SIZE ICON_CACHE_TYPE |
621 | #else |
622 | #define ICON_SIZE ICON_CACHE_TYPE_1_5X |
623 | #endif |
624 | |
625 | #ifndef BIG_BALLOONS |
626 | #define FONT_SIZE 14.0 |
627 | #else |
628 | #define FONT_SIZE 22.0 |
629 | #endif |
630 | #define LINE_SKIP (FONT_SIZE/4) |
631 | |
632 | |
633 | static void |
634 | balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) { |
635 | printf("balloon event: "); |
636 | |
637 | map_context_t *context = (map_context_t*)data; |
638 | cache_t *cache = context->balloon; |
639 | |
640 | if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) { |
641 | printf("draw\n"); |
642 | |
643 | #if 0 |
644 | /* draw pink background to check clipping */ |
645 | cairo_rectangle (event->data.draw.cr, |
646 | event->data.draw.rect->x-20, event->data.draw.rect->y-20, |
647 | event->data.draw.rect->w+40, event->data.draw.rect->h+40); |
648 | cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3); |
649 | cairo_fill_preserve (event->data.draw.cr); |
650 | cairo_set_line_width (event->data.draw.cr, 0); |
651 | cairo_stroke (event->data.draw.cr); |
652 | #endif |
653 | |
654 | /* leave a little border top and left */ |
655 | gint x = event->data.draw.rect->x, y = event->data.draw.rect->y; |
656 | |
657 | /* draw the cache type icon ... */ |
658 | GdkPixbuf *icon = icon_get(ICON_SIZE, cache->type); |
659 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y); |
660 | |
661 | if(cache->notes && cache->notes->override) { |
662 | GdkPixbuf *over = icon_get(ICON_SIZE, 11); |
663 | cairo_draw_pixbuf(event->data.draw.cr, over, x, y); |
664 | } |
665 | |
666 | /* ... and right of it the waypoint id */ |
667 | cairo_text_extents_t extents; |
668 | |
669 | if(cache->id) { |
670 | cairo_select_font_face (event->data.draw.cr, "Sans", |
671 | CAIRO_FONT_SLANT_NORMAL, |
672 | CAIRO_FONT_WEIGHT_BOLD); |
673 | |
674 | #ifndef BIG_BALLOONS |
675 | cairo_set_font_size (event->data.draw.cr, 20.0); |
676 | #else |
677 | cairo_set_font_size (event->data.draw.cr, 36.0); |
678 | #endif |
679 | |
680 | cairo_text_extents (event->data.draw.cr, cache->id, &extents); |
681 | |
682 | /* display id right of icon vertically centered */ |
683 | x += gdk_pixbuf_get_width(icon) + 5; |
684 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
685 | cairo_move_to (event->data.draw.cr, x, y); |
686 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
687 | cairo_show_text (event->data.draw.cr, cache->id); |
688 | cairo_stroke (event->data.draw.cr); |
689 | |
690 | y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP; |
691 | } else |
692 | y += gdk_pixbuf_get_height(icon); |
693 | |
694 | /* return to the left border and below icon/text */ |
695 | x = event->data.draw.rect->x; |
696 | |
697 | /* everything from here uses the same font */ |
698 | cairo_select_font_face (event->data.draw.cr, "Sans", |
699 | CAIRO_FONT_SLANT_NORMAL, |
700 | CAIRO_FONT_WEIGHT_NORMAL); |
701 | |
702 | cairo_set_font_size (event->data.draw.cr, FONT_SIZE); |
703 | |
704 | if(cache->name) { |
705 | /* draw cache name */ |
706 | cairo_text_extents (event->data.draw.cr, cache->name, &extents); |
707 | cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing); |
708 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
709 | cairo_show_text (event->data.draw.cr, cache->name); |
710 | cairo_stroke (event->data.draw.cr); |
711 | |
712 | /* return to the left border and below text */ |
713 | y += LINE_SKIP + FONT_SIZE; |
714 | x = event->data.draw.rect->x; |
715 | } |
716 | |
717 | if(cache->terrain) { |
718 | int text_y = 0, icon_y = 0; |
719 | |
720 | /* draw cache rating */ |
721 | const char *terrain = "Terrain:"; |
722 | icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2)); |
723 | cairo_text_extents (event->data.draw.cr, _(terrain), &extents); |
724 | |
725 | if(gdk_pixbuf_get_height(icon) > FONT_SIZE) |
726 | text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2; |
727 | else |
728 | icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2; |
729 | |
730 | /* draw "Terrain:" string */ |
731 | cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y); |
732 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
733 | cairo_show_text (event->data.draw.cr, _(terrain)); |
734 | cairo_stroke (event->data.draw.cr); |
735 | x += extents.width + 2; |
736 | |
737 | /* draw terrain stars */ |
738 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y); |
739 | |
740 | x += gdk_pixbuf_get_width(icon) + FONT_SIZE/2; |
741 | } |
742 | |
743 | if(cache->difficulty) { |
744 | int text_y = 0, icon_y = 0; |
745 | |
746 | const char *difficulty = "Difficulty:"; |
747 | icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2)); |
748 | cairo_text_extents (event->data.draw.cr, _(difficulty), &extents); |
749 | |
750 | if(gdk_pixbuf_get_height(icon) > FONT_SIZE) |
751 | text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2; |
752 | else |
753 | icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2; |
754 | |
755 | /* draw "Difficulty:" string */ |
756 | cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y); |
757 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
758 | cairo_show_text (event->data.draw.cr, _(difficulty)); |
759 | cairo_stroke (event->data.draw.cr); |
760 | x += extents.width + 2; |
761 | |
762 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y); |
763 | } |
764 | |
765 | /* draw container info */ |
766 | /* TODO ... */ |
767 | |
768 | |
769 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) { |
770 | printf("click %s event at %d %d\n", |
771 | event->data.click.down?"down":"up", |
772 | event->data.click.x, event->data.click.y); |
773 | |
774 | /* make the main screen jump to that cache */ |
775 | if(!event->data.click.down) { |
776 | if(context->appdata->cur_cache) { |
777 | printf("ERROR: no current cache should be visible!\n"); |
778 | } else { |
779 | gpx_t *is_in = NULL; |
780 | |
781 | if(context->appdata->search_results) { |
782 | printf("click while in \"search results\" view\n"); |
783 | |
784 | is_in = context->appdata->search_results; |
785 | } else if(!context->appdata->cur_gpx) { |
786 | printf("click while in \"all\" view\n"); |
787 | |
788 | /* we first need to figure out which gpx file this cache */ |
789 | /* is in so we can open it first */ |
790 | gpx_t *gpx = context->appdata->gpx; |
791 | while(gpx && !is_in) { |
792 | cache_t *cur = gpx->cache; |
793 | while(cur && !is_in) { |
794 | if(cur == cache) |
795 | is_in = gpx; |
796 | cur = cur->next; |
797 | } |
798 | gpx = gpx->next; |
799 | } |
800 | |
801 | if(is_in) |
802 | gpxlist_goto_cachelist(context->appdata, is_in); |
803 | |
804 | } else { |
805 | printf("click while in \"cachelist\" view\n"); |
806 | |
807 | /* the simple case: there already is an open gpx file and */ |
808 | /* we just jump into the "cache" view */ |
809 | is_in = context->appdata->cur_gpx; |
810 | } |
811 | |
812 | if(is_in) { |
813 | printf("selecting %s in %s\n", |
814 | cache->id, |
815 | context->appdata->search_results? |
816 | context->appdata->search_results->name: |
817 | context->appdata->cur_gpx->name); |
818 | |
819 | cachelist_goto_cache(context->appdata, cache); |
820 | |
821 | /* give focus to main screen (important for maemo) */ |
822 | printf("raising main window\n"); |
823 | gtk_window_present(GTK_WINDOW(context->appdata->window)); |
824 | } |
825 | } |
826 | } |
827 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) { |
828 | printf("removed\n"); |
829 | context->balloon = NULL; |
830 | } |
831 | } |
832 | |
833 | static gboolean |
834 | on_map_button_release_event(GtkWidget *widget, |
835 | GdkEventButton *event, map_context_t *context) { |
836 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
837 | |
838 | /* in "MAP_CACHE" state only one cache is visible */ |
839 | /* and the map is in navigation mode. the balloon is */ |
840 | /* pretty useless there */ |
841 | if(context->press_on) { |
842 | |
843 | coord_t coo; |
844 | coo = osm_gps_map_get_co_ordinates(map, event->x, event->y); |
845 | |
846 | pos_t pos = |
847 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
848 | |
849 | cache_t *nearest = map_closest(context, &pos); |
850 | if(nearest && nearest == context->press_on) { |
851 | pos_t cpos = gpx_cache_pos(nearest); |
852 | |
853 | float dist = gpx_pos_get_distance(pos, cpos, FALSE); |
854 | if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) { |
855 | |
856 | context->balloon = nearest; |
857 | osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon, |
858 | balloon_cb, context); |
859 | } |
860 | } |
861 | context->press_on = NULL; |
862 | } else { |
863 | /* save new map position */ |
864 | gfloat lat, lon; |
865 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
866 | context->appdata->map.pos.lat = lat; |
867 | context->appdata->map.pos.lon = lon; |
868 | } |
869 | |
870 | return FALSE; |
871 | } |
872 | |
873 | static void on_window_destroy(GtkWidget *widget, map_context_t *context) { |
874 | appdata_t *appdata = context->appdata; |
875 | |
876 | /* save map parameters */ |
877 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
878 | gint zoom; |
879 | g_object_get(map, "zoom", &zoom, NULL); |
880 | context->appdata->map.zoom = zoom; |
881 | |
882 | gboolean dpix; |
883 | g_object_get(map, "double-pixel", &dpix, NULL); |
884 | context->appdata->map.dpix = dpix; |
885 | |
886 | gfloat lat, lon; |
887 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
888 | context->appdata->map.pos.lat = lat; |
889 | context->appdata->map.pos.lon = lon; |
890 | |
891 | gint source; |
892 | g_object_get(map, "map-source", &source, NULL); |
893 | context->appdata->map.source = source; |
894 | |
895 | #if MAEMO_VERSION_MAJOR == 5 |
896 | /* restore cur_view */ |
897 | context->appdata->cur_view = context->old_view; |
898 | #endif |
899 | |
900 | gtk_timeout_remove(context->handler_id); |
901 | |
902 | if(context->caches_displayed) { |
903 | g_free(context->caches_displayed); |
904 | context->caches_displayed = NULL; |
905 | } |
906 | |
907 | printf("destroy map context\n"); |
908 | g_free(context); |
909 | appdata->map.context = NULL; |
910 | } |
911 | |
912 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
913 | /* get access to zoom buttons */ |
914 | static void |
915 | on_window_realize(GtkWidget *widget, gpointer data) { |
916 | if (widget->window) { |
917 | unsigned char value = 1; |
918 | Atom hildon_zoom_key_atom = |
919 | gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"), |
920 | integer_atom = gdk_x11_get_xatom_by_name("INTEGER"); |
921 | Display *dpy = |
922 | GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window)); |
923 | Window w = GDK_WINDOW_XID(widget->window); |
924 | |
925 | XChangeProperty(dpy, w, hildon_zoom_key_atom, |
926 | integer_atom, 8, PropModeReplace, &value, 1); |
927 | } |
928 | } |
929 | #endif |
930 | |
931 | /* on maemo a window is either on top or completely invisible. this */ |
932 | /* means that we only need to update the map window if its raised. */ |
933 | /* on ordinary desktops this is different and we always update */ |
934 | |
935 | static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event, |
936 | gpointer data) { |
937 | map_context_t *context = (map_context_t*)data; |
938 | |
939 | printf("map got focus\n"); |
940 | |
941 | #ifdef USE_MAEMO |
942 | /* re-enable refresh of map */ |
943 | if(!context->handler_id) |
944 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
945 | #endif |
946 | |
947 | gps_register_callback(context->appdata->gps_state, |
948 | LATLON_CHANGED | HERR_CHANGED | TRACK_CHANGED, |
949 | gps_callback, context); |
950 | |
951 | map_setup(context); |
952 | return FALSE; |
953 | } |
954 | |
955 | static gboolean on_focus_out(GtkWidget *widget, GdkEventFocus *event, |
956 | gpointer data) { |
957 | map_context_t *context = (map_context_t*)data; |
958 | |
959 | printf("map lost focus\n"); |
960 | |
961 | /* save new map position */ |
962 | gfloat lat, lon; |
963 | g_object_get(widget, "latitude", &lat, "longitude", &lon, NULL); |
964 | |
965 | context->appdata->map.pos.lat = lat; |
966 | context->appdata->map.pos.lon = lon; |
967 | |
968 | #ifdef USE_MAEMO |
969 | gtk_timeout_remove(context->handler_id); |
970 | context->handler_id = 0; |
971 | #endif |
972 | |
973 | gps_unregister_callback(context->appdata->gps_state, gps_callback); |
974 | |
975 | return FALSE; |
976 | } |
977 | |
978 | void map_update(appdata_t *appdata) { |
979 | printf("map_update\n"); |
980 | #ifndef USE_MAEMO |
981 | if(appdata->map.context) |
982 | map_setup(appdata->map.context); |
983 | #endif |
984 | } |
985 | |
986 | void map(appdata_t *appdata) { |
987 | map_context_t *context = NULL; |
988 | |
989 | /* if the map window already exists, just raise it */ |
990 | if(appdata->map.context) { |
991 | printf("using existing map!\n"); |
992 | gtk_window_present(GTK_WINDOW(appdata->map.context->window)); |
993 | map_setup(appdata->map.context); |
994 | return; |
995 | } |
996 | |
997 | context = appdata->map.context = g_new0(map_context_t, 1); |
998 | printf("allocated new context at %p\n", context); |
999 | |
1000 | context->appdata = appdata; |
1001 | context->state = MAP_NONE; |
1002 | |
1003 | /* cleanup old (pre 0.8.7) path if it exists */ |
1004 | char *old_path = g_strdup_printf("%s/map/", appdata->image_path); |
1005 | if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) { |
1006 | printf("old file path %s exists\n", old_path); |
1007 | rmdir_recursive(old_path); |
1008 | } |
1009 | |
1010 | /* It is recommanded that all applications share these same */ |
1011 | /* map path, so data is only cached once. The path should be: */ |
1012 | /* ~/.osm-gps-map on standard PC (users home) */ |
1013 | /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */ |
1014 | /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */ |
1015 | #if !defined(USE_MAEMO) |
1016 | char *p = getenv("HOME"); |
1017 | if(!p) p = "/tmp"; |
1018 | char *path = g_strdup_printf("%s/.osm-gps-map", p); |
1019 | #else |
1020 | #if MAEMO_VERSION_MAJOR == 5 |
1021 | char *path = g_strdup("/home/user/.osm-gps-map"); |
1022 | #else |
1023 | char *path = g_strdup("/media/mmc2/osm-gps-map"); |
1024 | #endif |
1025 | #endif |
1026 | |
1027 | const char *proxy = get_proxy_uri(appdata); |
1028 | |
1029 | gint source = context->appdata->map.source; |
1030 | if(!source) source = MAP_SOURCE; |
1031 | |
1032 | context->widget = g_object_new(OSM_TYPE_GPS_MAP, |
1033 | "map-source", source, |
1034 | "tile-cache", path, |
1035 | "auto-center", FALSE, |
1036 | "record-trip-history", FALSE, |
1037 | "show-trip-history", FALSE, |
1038 | "double-pixel", context->appdata->map.dpix, |
1039 | proxy?"proxy-uri":NULL, proxy, |
1040 | NULL); |
1041 | |
1042 | g_free(path); |
1043 | |
1044 | osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget)); |
1045 | |
1046 | /* set default values if they are invalid */ |
1047 | if(!context->appdata->map.zoom || |
1048 | isnan(context->appdata->map.pos.lat) || |
1049 | isnan(context->appdata->map.pos.lon)) { |
1050 | printf("no valid map position found\n"); |
1051 | |
1052 | pos_t *refpos = get_pos(context->appdata); |
1053 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
1054 | printf("use refpos\n"); |
1055 | |
1056 | /* use gps position if present */ |
1057 | context->appdata->map.pos = *refpos; |
1058 | context->appdata->map.zoom = GPS_DEFAULT_ZOOM; |
1059 | } else { |
1060 | printf("use zero pos\n"); |
1061 | |
1062 | /* use world map otherwise */ |
1063 | context->appdata->map.pos.lat = 0.0; |
1064 | context->appdata->map.pos.lon = 0.0; |
1065 | context->appdata->map.zoom = 1; |
1066 | } |
1067 | } |
1068 | |
1069 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
1070 | context->appdata->map.pos.lat, |
1071 | context->appdata->map.pos.lon, |
1072 | context->appdata->map.zoom); |
1073 | |
1074 | #ifdef USE_MAEMO |
1075 | /* we don't use a stackable window here on fremantle, since */ |
1076 | /* this leaves the main window independent from the map and */ |
1077 | /* the user can e.g. still navigate the main menu */ |
1078 | context->window = hildon_window_new(); |
1079 | |
1080 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
1081 | g_signal_connect(G_OBJECT(context->window), "realize", |
1082 | G_CALLBACK(on_window_realize), NULL); |
1083 | #endif // MAEMO_VERSION |
1084 | #else |
1085 | context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
1086 | #endif |
1087 | |
1088 | #ifndef USE_MAEMO |
1089 | gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480); |
1090 | #endif |
1091 | |
1092 | g_signal_connect(G_OBJECT(context->widget), "focus-in-event", |
1093 | G_CALLBACK(on_focus_in), context); |
1094 | |
1095 | g_signal_connect(G_OBJECT(context->widget), "focus-out-event", |
1096 | G_CALLBACK(on_focus_out), context); |
1097 | |
1098 | g_signal_connect(G_OBJECT(context->widget), "button-press-event", |
1099 | G_CALLBACK(on_map_button_press_event), context); |
1100 | |
1101 | g_signal_connect(G_OBJECT(context->widget), "button-release-event", |
1102 | G_CALLBACK(on_map_button_release_event), context); |
1103 | |
1104 | /* install handler for timed updates of the gps button */ |
1105 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
1106 | |
1107 | #if MAEMO_VERSION_MAJOR == 5 |
1108 | /* prevent some of the main screen things */ |
1109 | context->old_view = appdata->cur_view; |
1110 | appdata->cur_view = NULL; |
1111 | #endif |
1112 | |
1113 | g_signal_connect(G_OBJECT(context->window), "destroy", |
1114 | G_CALLBACK(on_window_destroy), context); |
1115 | |
1116 | gtk_container_add(GTK_CONTAINER(context->window), context->widget); |
1117 | gtk_widget_show_all(GTK_WIDGET(context->window)); |
1118 | |
1119 | /* setup cache state */ |
1120 | map_setup(context); |
1121 | } |