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