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