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gps callback started
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 | #include "gpxview.h" |
26 | #include "converter.h" |
27 | #include <math.h> // for isnan |
28 | |
29 | #ifdef ENABLE_OSM_GPS_MAP |
30 | #include "osm-gps-map.h" |
31 | #include "osm-gps-map-osd-classic.h" |
32 | #endif |
33 | |
34 | #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5) |
35 | #include <gdk/gdkx.h> |
36 | #include <X11/Xatom.h> |
37 | #endif |
38 | |
39 | /* default values */ |
40 | #define MAP_SOURCE OSM_GPS_MAP_SOURCE_OPENCYCLEMAP |
41 | #define GPS_DEFAULT_ZOOM 13 |
42 | |
43 | #define PROXY_KEY "/system/http_proxy/" |
44 | |
45 | static const char *get_proxy_uri(appdata_t *appdata) { |
46 | static char proxy_buffer[64] = ""; |
47 | |
48 | /* use environment settings if preset */ |
49 | const char *proxy = g_getenv("http_proxy"); |
50 | if(proxy) { |
51 | printf("http_proxy: %s\n", proxy); |
52 | return proxy; |
53 | } |
54 | |
55 | /* ------------- get proxy settings -------------------- */ |
56 | if(gconf_client_get_bool(appdata->gconf_client, |
57 | PROXY_KEY "use_http_proxy", NULL)) { |
58 | |
59 | /* we can savely ignore things like "ignore_hosts" since we */ |
60 | /* are pretty sure not inside the net of one of our map renderers */ |
61 | /* (unless the user works at google :-) */ |
62 | |
63 | /* get basic settings */ |
64 | char *host = |
65 | gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL); |
66 | if(host) { |
67 | int port = |
68 | gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL); |
69 | |
70 | snprintf(proxy_buffer, sizeof(proxy_buffer), |
71 | "http://%s:%u", host, port); |
72 | |
73 | g_free(host); |
74 | } |
75 | return proxy_buffer; |
76 | } |
77 | |
78 | return NULL; |
79 | } |
80 | |
81 | static void |
82 | cb_map_gps(osd_button_t but, map_context_t *context) { |
83 | |
84 | if(but == OSD_GPS) { |
85 | pos_t *refpos = get_pos(context->appdata); |
86 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
87 | gint zoom; |
88 | g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL); |
89 | if(zoom < 10) |
90 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
91 | refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM); |
92 | else |
93 | osm_gps_map_set_center(OSM_GPS_MAP(context->widget), |
94 | refpos->lat, refpos->lon); |
95 | |
96 | /* re-enable centering */ |
97 | g_object_set(context->widget, "auto-center", TRUE, NULL); |
98 | } else { |
99 | /* no coordinates given: display the entire world */ |
100 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
101 | 0.0, 0.0, 1); |
102 | } |
103 | } |
104 | } |
105 | |
106 | static int dist2pixel(map_context_t *context, float km, float lat) { |
107 | return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget)); |
108 | } |
109 | |
110 | static gboolean map_gps_update(gpointer data) { |
111 | map_context_t *context = (map_context_t*)data; |
112 | static gboolean goto_is_enabled = FALSE; |
113 | |
114 | /* get reference position ... */ |
115 | pos_t *refpos = get_pos(context->appdata); |
116 | gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon); |
117 | |
118 | /* ... and enable "goto" button if it's valid */ |
119 | if(ok != goto_is_enabled) { |
120 | osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget), |
121 | OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context); |
122 | goto_is_enabled = ok; |
123 | } |
124 | |
125 | if(ok) { |
126 | float heading = NAN; |
127 | int radius = 0; |
128 | |
129 | if(context->appdata->use_gps) { |
130 | heading = gps_get_heading(context->appdata); |
131 | |
132 | /* get error */ |
133 | float eph = gps_get_eph(context->appdata); |
134 | if(!isnan(eph)) |
135 | radius = dist2pixel(context, eph/1000, refpos->lat); |
136 | } |
137 | |
138 | /* TODO: in order to save energy: only draw if state actually changed */ |
139 | |
140 | g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL); |
141 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget), |
142 | refpos->lat, refpos->lon, heading); |
143 | } else |
144 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget)); |
145 | |
146 | return TRUE; |
147 | } |
148 | |
149 | static void map_draw_cache(GtkWidget *map, cache_t *cache) { |
150 | GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type); |
151 | |
152 | /* check if there's also an overwritten coordinate */ |
153 | if(cache->notes && cache->notes->override) { |
154 | GdkPixbuf *over = icon_get(ICON_MISC, 1); |
155 | |
156 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
157 | cache->notes->pos.lat, cache->notes->pos.lon, icon); |
158 | |
159 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
160 | cache->notes->pos.lat, cache->notes->pos.lon, over); |
161 | } else { |
162 | if(!isnan(cache->pos.lat) && !isnan(cache->pos.lon)) |
163 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
164 | cache->pos.lat, cache->pos.lon, icon); |
165 | } |
166 | } |
167 | |
168 | static void map_draw_gpx(appdata_t *appdata, GtkWidget *map, gpx_t *gpx) { |
169 | if(!gpx->notes_loaded) { |
170 | notes_load_all(appdata, gpx); |
171 | gpx->notes_loaded = TRUE; |
172 | } |
173 | |
174 | cache_t *cache = gpx->cache; |
175 | while(cache) { |
176 | map_draw_cache(map, cache); |
177 | cache = cache->next; |
178 | } |
179 | } |
180 | |
181 | /* draw geocaches and set window title */ |
182 | static void map_setup(map_context_t *context) { |
183 | char *name = NULL; |
184 | |
185 | if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
186 | if(context->state != MAP_ALL) { |
187 | printf("map_setup(ALL)\n"); |
188 | |
189 | #ifdef OSD_NAV |
190 | /* no navigation in this mode */ |
191 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
192 | #endif |
193 | |
194 | /* clear all existing ccahe images */ |
195 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
196 | |
197 | /* draw all geocaches */ |
198 | gpx_t *gpx = context->appdata->gpx; |
199 | while(gpx) { |
200 | map_draw_gpx(context->appdata, context->widget, gpx); |
201 | gpx = gpx->next; |
202 | } |
203 | name = g_strdup(_("all")); |
204 | context->state = MAP_ALL; |
205 | } |
206 | } else if(!context->appdata->cur_cache) { |
207 | if(context->state != MAP_GPX) { |
208 | printf("map_setup(GPX)\n"); |
209 | |
210 | #ifdef OSD_NAV |
211 | /* no navigation in this mode */ |
212 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
213 | #endif |
214 | |
215 | /* clear all existing ccahe images */ |
216 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
217 | |
218 | map_draw_gpx(context->appdata, context->widget, |
219 | context->appdata->cur_gpx); |
220 | name = g_strdup(context->appdata->cur_gpx->name); |
221 | context->state = MAP_GPX; |
222 | } |
223 | } else { |
224 | cache_t *cache = context->appdata->cur_cache; |
225 | |
226 | printf("map_setp(CACHE)\n"); |
227 | |
228 | /* no balloons in this mode */ |
229 | context->balloon = NULL; |
230 | osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget)); |
231 | |
232 | /* clear all existing ccahe images */ |
233 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
234 | |
235 | map_draw_cache(context->widget, cache); |
236 | name = g_strdup(cache->name); |
237 | context->state = MAP_CACHE; |
238 | |
239 | /* navigation in this mode! */ |
240 | pos_t cpos = gpx_cache_pos(cache); |
241 | |
242 | #ifdef OSD_NAV |
243 | osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget), |
244 | context->appdata->imperial, |
245 | cpos.lat, cpos.lon, cache->name); |
246 | #else |
247 | #warning OSD_NAV not defined! |
248 | #endif |
249 | } |
250 | |
251 | if(name) { |
252 | char *title = g_strdup_printf(_("Map - %s"), name); |
253 | g_free(name); |
254 | |
255 | gtk_window_set_title(GTK_WINDOW(context->window), title); |
256 | |
257 | g_free(title); |
258 | } else |
259 | printf("map_setup(keep)\n"); |
260 | } |
261 | |
262 | static gboolean on_map_configure(GtkWidget *widget, |
263 | GdkEventConfigure *event, |
264 | map_context_t *context) { |
265 | |
266 | /* for some reason there's a configure event with 1/1 */ |
267 | /* on diablo. We just ignore this! */ |
268 | |
269 | printf("on_map_configure %d %d\n", |
270 | widget->allocation.width, |
271 | widget->allocation.height); |
272 | |
273 | if(!context->map_complete && |
274 | (widget->allocation.width > 100) && |
275 | (widget->allocation.height > 100)) { |
276 | |
277 | /* setup cache state */ |
278 | map_setup(context); |
279 | |
280 | /* set default values if they are invalid */ |
281 | if(!context->appdata->map.zoom || |
282 | isnan(context->appdata->map.pos.lat) || |
283 | isnan(context->appdata->map.pos.lon)) { |
284 | printf("no valid map position found\n"); |
285 | |
286 | pos_t *refpos = get_pos(context->appdata); |
287 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
288 | printf("use refpos\n"); |
289 | |
290 | /* use gps position if present */ |
291 | context->appdata->map.pos = *refpos; |
292 | context->appdata->map.zoom = GPS_DEFAULT_ZOOM; |
293 | } else { |
294 | printf("use zero pos\n"); |
295 | |
296 | /* use world map otherwise */ |
297 | context->appdata->map.pos.lat = 0.0; |
298 | context->appdata->map.pos.lon = 0.0; |
299 | context->appdata->map.zoom = 1; |
300 | } |
301 | } |
302 | |
303 | /* jump to initial position */ |
304 | printf("osm_gps_map_set_mapcenter(%f,%f,%d)\n", |
305 | context->appdata->map.pos.lat, |
306 | context->appdata->map.pos.lon, |
307 | context->appdata->map.zoom); |
308 | |
309 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
310 | context->appdata->map.pos.lat, |
311 | context->appdata->map.pos.lon, |
312 | context->appdata->map.zoom); |
313 | context->map_complete = TRUE; |
314 | } |
315 | |
316 | return FALSE; |
317 | } |
318 | |
319 | static void |
320 | map_cachelist_nearest(cache_t *cache, pos_t *pos, |
321 | cache_t **result, float *distance) { |
322 | |
323 | while(cache) { |
324 | pos_t cpos = gpx_cache_pos(cache); |
325 | |
326 | float dist = |
327 | pow(cpos.lat - pos->lat, 2) + |
328 | pow(cpos.lon - pos->lon, 2); |
329 | |
330 | if(!(dist > *distance)) { |
331 | *result = cache; |
332 | *distance = dist; |
333 | } |
334 | |
335 | cache = cache->next; |
336 | } |
337 | } |
338 | |
339 | static cache_t *map_closest(map_context_t *context, pos_t *pos) { |
340 | cache_t *result = NULL; |
341 | float distance = NAN; |
342 | |
343 | if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
344 | /* search all geocaches */ |
345 | gpx_t *gpx = context->appdata->gpx; |
346 | while(gpx) { |
347 | map_cachelist_nearest(gpx->cache, pos, &result, &distance); |
348 | gpx = gpx->next; |
349 | } |
350 | } else if(context->appdata->cur_gpx) { |
351 | map_cachelist_nearest(context->appdata->cur_gpx->cache, |
352 | pos, &result, &distance); |
353 | } else |
354 | result = context->appdata->cur_gpx->cache; |
355 | |
356 | return result; |
357 | } |
358 | |
359 | /* translate between osm-gps-map positions and gpxview ones */ |
360 | pos_t coord2pos(coord_t coo) { |
361 | pos_t pos; |
362 | pos.lat = rad2deg(coo.rlat); |
363 | pos.lon = rad2deg(coo.rlon); |
364 | return pos; |
365 | } |
366 | |
367 | #define CLICK_FUZZ (24) |
368 | |
369 | static gboolean |
370 | on_map_button_press_event(GtkWidget *widget, |
371 | GdkEventButton *event, map_context_t *context) { |
372 | |
373 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
374 | |
375 | /* check if we actually clicked parts of the OSD */ |
376 | if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE) |
377 | return FALSE; |
378 | |
379 | /* got a press event without release event? eat it! */ |
380 | if(context->press_on != NULL) { |
381 | printf("PRESS: already\n"); |
382 | return FALSE; |
383 | } |
384 | |
385 | pos_t pos = |
386 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
387 | |
388 | cache_t *nearest = map_closest(context, &pos); |
389 | if(nearest) { |
390 | pos_t cpos = gpx_cache_pos(nearest); |
391 | |
392 | float dist = gpx_pos_get_distance(pos, cpos, FALSE); |
393 | if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) |
394 | context->press_on = nearest; |
395 | } |
396 | |
397 | return FALSE; |
398 | } |
399 | |
400 | static void |
401 | cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) { |
402 | /* convert the pixbuf into something cairo can handle */ |
403 | |
404 | // Create a new ImageSurface |
405 | cairo_surface_t *image_surface = |
406 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
407 | gdk_pixbuf_get_width(buf), |
408 | gdk_pixbuf_get_height(buf)); |
409 | |
410 | // Create the new Context for the ImageSurface |
411 | cairo_t *context = cairo_create(image_surface); |
412 | |
413 | // Draw the image on the new Context |
414 | gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0); |
415 | cairo_paint(context); |
416 | |
417 | // now draw this onto the original context |
418 | cairo_set_source_surface(cr, image_surface, x, y); |
419 | |
420 | cairo_paint(cr); |
421 | } |
422 | |
423 | #ifndef BIG_BALLOONS |
424 | #define LINE_SKIP 7 |
425 | #else |
426 | #define LINE_SKIP 12 |
427 | #endif |
428 | |
429 | static void |
430 | balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) { |
431 | printf("balloon event: "); |
432 | |
433 | map_context_t *context = (map_context_t*)data; |
434 | cache_t *cache = context->balloon; |
435 | |
436 | if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) { |
437 | printf("draw\n"); |
438 | |
439 | #if 0 |
440 | /* draw pink background to check clipping */ |
441 | cairo_rectangle (event->data.draw.cr, |
442 | event->data.draw.rect->x-20, event->data.draw.rect->y-20, |
443 | event->data.draw.rect->w+40, event->data.draw.rect->h+40); |
444 | cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3); |
445 | cairo_fill_preserve (event->data.draw.cr); |
446 | cairo_set_line_width (event->data.draw.cr, 0); |
447 | cairo_stroke (event->data.draw.cr); |
448 | #endif |
449 | |
450 | /* leave a little border top and left */ |
451 | gint x = event->data.draw.rect->x, y = event->data.draw.rect->y; |
452 | |
453 | /* draw the cache type icon ... */ |
454 | GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type); |
455 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y); |
456 | |
457 | if(cache->notes && cache->notes->override) { |
458 | GdkPixbuf *over = icon_get(ICON_MISC, 1); |
459 | cairo_draw_pixbuf(event->data.draw.cr, over, x, y); |
460 | } |
461 | |
462 | /* ... and right of it the waypoint id */ |
463 | cairo_text_extents_t extents; |
464 | |
465 | if(cache->id) { |
466 | cairo_select_font_face (event->data.draw.cr, "Sans", |
467 | CAIRO_FONT_SLANT_NORMAL, |
468 | CAIRO_FONT_WEIGHT_BOLD); |
469 | |
470 | #ifndef BIG_BALLOONS |
471 | cairo_set_font_size (event->data.draw.cr, 20.0); |
472 | #else |
473 | cairo_set_font_size (event->data.draw.cr, 36.0); |
474 | #endif |
475 | |
476 | cairo_text_extents (event->data.draw.cr, cache->id, &extents); |
477 | |
478 | /* display id right of icon vertically centered */ |
479 | x += gdk_pixbuf_get_width(icon) + 5; |
480 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
481 | cairo_move_to (event->data.draw.cr, x, y); |
482 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
483 | cairo_show_text (event->data.draw.cr, cache->id); |
484 | cairo_stroke (event->data.draw.cr); |
485 | |
486 | y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP; |
487 | } else |
488 | y += gdk_pixbuf_get_height(icon); |
489 | |
490 | /* return to the left border and below icon/text */ |
491 | x = event->data.draw.rect->x; |
492 | |
493 | /* everything from here uses the same font */ |
494 | cairo_select_font_face (event->data.draw.cr, "Sans", CAIRO_FONT_SLANT_NORMAL, |
495 | CAIRO_FONT_WEIGHT_NORMAL); |
496 | #ifndef BIG_BALLOONS |
497 | cairo_set_font_size (event->data.draw.cr, 14.0); |
498 | #else |
499 | cairo_set_font_size (event->data.draw.cr, 22.0); |
500 | #endif |
501 | |
502 | if(cache->name) { |
503 | /* draw cache name */ |
504 | cairo_text_extents (event->data.draw.cr, cache->name, &extents); |
505 | y += extents.height; |
506 | cairo_move_to (event->data.draw.cr, x, y); |
507 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
508 | cairo_show_text (event->data.draw.cr, cache->name); |
509 | cairo_stroke (event->data.draw.cr); |
510 | |
511 | /* return to the left border and below text */ |
512 | y += LINE_SKIP; |
513 | x = event->data.draw.rect->x; |
514 | } |
515 | |
516 | if(cache->terrain) { |
517 | /* draw cache rating */ |
518 | const char *terrain = "Terrain:"; |
519 | icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2)); |
520 | cairo_text_extents (event->data.draw.cr, _(terrain), &extents); |
521 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
522 | |
523 | /* draw "Terrain:" string */ |
524 | cairo_move_to (event->data.draw.cr, x, y); |
525 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
526 | cairo_show_text (event->data.draw.cr, _(terrain)); |
527 | cairo_stroke (event->data.draw.cr); |
528 | x += extents.width + 2; |
529 | |
530 | /* draw terrain stars */ |
531 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y - |
532 | (gdk_pixbuf_get_height(icon) + extents.height)/2); |
533 | |
534 | x += gdk_pixbuf_get_width(icon) + LINE_SKIP; |
535 | y -= (gdk_pixbuf_get_height(icon) + extents.height)/2; |
536 | } |
537 | |
538 | if(cache->difficulty) { |
539 | const char *difficulty = "Difficulty:"; |
540 | cairo_text_extents (event->data.draw.cr, _(difficulty), &extents); |
541 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
542 | |
543 | /* draw "Difficulty:" string */ |
544 | cairo_move_to (event->data.draw.cr, x, y); |
545 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
546 | cairo_show_text (event->data.draw.cr, _(difficulty)); |
547 | cairo_stroke (event->data.draw.cr); |
548 | x += extents.width + 2; |
549 | |
550 | icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2)); |
551 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y - |
552 | (gdk_pixbuf_get_height(icon) + extents.height)/2); |
553 | } |
554 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) { |
555 | printf("click %s event at %d %d\n", |
556 | event->data.click.down?"down":"up", |
557 | event->data.click.x, event->data.click.y); |
558 | |
559 | /* make the main screen jump to that cache */ |
560 | if(!event->data.click.down) { |
561 | if(context->appdata->cur_cache) { |
562 | printf("ERROR: no current cache should be visible!\n"); |
563 | } else { |
564 | gpx_t *is_in = NULL; |
565 | |
566 | if(!context->appdata->cur_gpx) { |
567 | printf("click while in \"all\" view\n"); |
568 | |
569 | /* we first need to figure out which gpx file this cache */ |
570 | /* is in so we can open it first */ |
571 | gpx_t *gpx = context->appdata->gpx; |
572 | while(gpx && !is_in) { |
573 | cache_t *cur = gpx->cache; |
574 | while(cur && !is_in) { |
575 | if(cur == cache) |
576 | is_in = gpx; |
577 | cur = cur->next; |
578 | } |
579 | gpx = gpx->next; |
580 | } |
581 | |
582 | if(is_in) |
583 | gpxlist_goto_cachelist(context->appdata, is_in); |
584 | |
585 | } else |
586 | /* the simple case: there already is an open gpx file and */ |
587 | /* we just jump into the "cache" view */ |
588 | is_in = context->appdata->cur_gpx; |
589 | |
590 | if(is_in) { |
591 | printf("selecting %s in %s\n", |
592 | cache->id, |
593 | context->appdata->cur_gpx->name); |
594 | |
595 | cachelist_goto_cache(context->appdata, cache); |
596 | |
597 | /* give focus to main screen (important for maemo) */ |
598 | printf("raising main window\n"); |
599 | gtk_window_present(GTK_WINDOW(context->appdata->window)); |
600 | } |
601 | } |
602 | } |
603 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) { |
604 | printf("removed\n"); |
605 | context->balloon = NULL; |
606 | } |
607 | } |
608 | |
609 | static gboolean |
610 | on_map_button_release_event(GtkWidget *widget, |
611 | GdkEventButton *event, map_context_t *context) { |
612 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
613 | |
614 | /* in "MAP_CACHE" state only one cache is visible */ |
615 | /* and the map is in navigation mode. the balloon is */ |
616 | /* pretty useless there */ |
617 | if(context->press_on && (context->state != MAP_CACHE)) { |
618 | |
619 | coord_t coo; |
620 | coo = osm_gps_map_get_co_ordinates(map, event->x, event->y); |
621 | |
622 | pos_t pos = |
623 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
624 | |
625 | cache_t *nearest = map_closest(context, &pos); |
626 | if(nearest && nearest == context->press_on) { |
627 | pos_t cpos = gpx_cache_pos(nearest); |
628 | |
629 | float dist = gpx_pos_get_distance(pos, cpos, FALSE); |
630 | if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) { |
631 | |
632 | context->balloon = nearest; |
633 | osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon, |
634 | balloon_cb, context); |
635 | } |
636 | } |
637 | context->press_on = NULL; |
638 | } else { |
639 | /* save new map position */ |
640 | gfloat lat, lon; |
641 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
642 | context->appdata->map.pos.lat = lat; |
643 | context->appdata->map.pos.lon = lon; |
644 | } |
645 | |
646 | return FALSE; |
647 | } |
648 | |
649 | static void on_window_destroy(GtkWidget *widget, map_context_t *context) { |
650 | appdata_t *appdata = context->appdata; |
651 | |
652 | /* save map parameters */ |
653 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
654 | gint zoom; |
655 | g_object_get(map, "zoom", &zoom, NULL); |
656 | context->appdata->map.zoom = zoom; |
657 | |
658 | gfloat lat, lon; |
659 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
660 | context->appdata->map.pos.lat = lat; |
661 | context->appdata->map.pos.lon = lon; |
662 | |
663 | gint source; |
664 | g_object_get(map, "map-source", &source, NULL); |
665 | context->appdata->map.source = source; |
666 | |
667 | #if MAEMO_VERSION_MAJOR == 5 |
668 | /* restore cur_view */ |
669 | context->appdata->cur_view = context->old_view; |
670 | #endif |
671 | |
672 | gtk_timeout_remove(context->handler_id); |
673 | gps_unregister_callback(appdata, context->cb_id); |
674 | |
675 | g_free(context); |
676 | appdata->map.context = NULL; |
677 | } |
678 | |
679 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
680 | /* get access to zoom buttons */ |
681 | static void |
682 | on_window_realize(GtkWidget *widget, gpointer data) { |
683 | if (widget->window) { |
684 | unsigned char value = 1; |
685 | Atom hildon_zoom_key_atom = |
686 | gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"), |
687 | integer_atom = gdk_x11_get_xatom_by_name("INTEGER"); |
688 | Display *dpy = |
689 | GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window)); |
690 | Window w = GDK_WINDOW_XID(widget->window); |
691 | |
692 | XChangeProperty(dpy, w, hildon_zoom_key_atom, |
693 | integer_atom, 8, PropModeReplace, &value, 1); |
694 | } |
695 | } |
696 | #endif |
697 | |
698 | /* on maemo a window is either on top or completely invisible. this */ |
699 | /* means that we only need to update the map window if its raised. */ |
700 | /* on ordinary desktops this is different and we always update */ |
701 | |
702 | static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event, |
703 | gpointer data) { |
704 | printf("map got focus\n"); |
705 | map_setup((map_context_t*)data); |
706 | return FALSE; |
707 | } |
708 | |
709 | void map_update(appdata_t *appdata) { |
710 | printf("map_update\n"); |
711 | #ifndef USE_MAEMO |
712 | if(appdata->map.context) |
713 | map_setup(appdata->map.context); |
714 | #endif |
715 | } |
716 | |
717 | /* callback called by the gps layer whenever gps state changes */ |
718 | static void |
719 | gps_callback(struct gps_state *state, gpointer data) { |
720 | printf("map: gps callback\n"); |
721 | } |
722 | |
723 | void map(appdata_t *appdata) { |
724 | map_context_t *context = NULL; |
725 | |
726 | /* if the map window already exists, just raise it */ |
727 | if(appdata->map.context) { |
728 | printf("using existing map!\n"); |
729 | gtk_window_present(GTK_WINDOW(appdata->map.context->window)); |
730 | map_setup(appdata->map.context); |
731 | return; |
732 | } |
733 | |
734 | context = appdata->map.context = g_new0(map_context_t, 1); |
735 | context->appdata = appdata; |
736 | context->map_complete = FALSE; |
737 | context->state = MAP_NONE; |
738 | |
739 | /* cleanup old (pre 0.8.7) path if it exists */ |
740 | char *old_path = g_strdup_printf("%s/map/", appdata->image_path); |
741 | if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) { |
742 | printf("old file path %s exists\n", old_path); |
743 | rmdir_recursive(old_path); |
744 | } |
745 | |
746 | /* It is recommanded that all applications share these same */ |
747 | /* map path, so data is only cached once. The path should be: */ |
748 | /* ~/.osm-gps-map on standard PC (users home) */ |
749 | /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */ |
750 | /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */ |
751 | #if !defined(USE_MAEMO) |
752 | char *p = getenv("HOME"); |
753 | if(!p) p = "/tmp"; |
754 | char *path = g_strdup_printf("%s/.osm-gps-map", p); |
755 | #else |
756 | #if MAEMO_VERSION_MAJOR == 5 |
757 | char *path = g_strdup("/home/user/.osm-gps-map"); |
758 | #else |
759 | char *path = g_strdup("/media/mmc2/osm-gps-map"); |
760 | #endif |
761 | #endif |
762 | |
763 | const char *proxy = get_proxy_uri(appdata); |
764 | |
765 | gint source = context->appdata->map.source; |
766 | if(!source) source = MAP_SOURCE; |
767 | |
768 | context->widget = g_object_new(OSM_TYPE_GPS_MAP, |
769 | "map-source", source, |
770 | "tile-cache", path, |
771 | "auto-center", FALSE, |
772 | "record-trip-history", FALSE, |
773 | "show-trip-history", FALSE, |
774 | proxy?"proxy-uri":NULL, proxy, |
775 | NULL); |
776 | |
777 | g_free(path); |
778 | |
779 | osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget)); |
780 | |
781 | #ifdef USE_MAEMO |
782 | /* we don't use a stackable window here on fremantle, since */ |
783 | /* this leaves the main window independent from the map and */ |
784 | /* the user can e.g. still navigate the main menu */ |
785 | context->window = hildon_window_new(); |
786 | |
787 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
788 | g_signal_connect(G_OBJECT(context->window), "realize", |
789 | G_CALLBACK(on_window_realize), NULL); |
790 | #endif // MAEMO_VERSION |
791 | #else |
792 | context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
793 | #endif |
794 | |
795 | #ifndef USE_MAEMO |
796 | gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480); |
797 | #endif |
798 | |
799 | g_signal_connect(G_OBJECT(context->widget), "focus-in-event", |
800 | G_CALLBACK(on_focus_in), context); |
801 | |
802 | g_signal_connect(G_OBJECT(context->widget), "configure-event", |
803 | G_CALLBACK(on_map_configure), context); |
804 | |
805 | g_signal_connect(G_OBJECT(context->widget), "button-press-event", |
806 | G_CALLBACK(on_map_button_press_event), context); |
807 | |
808 | g_signal_connect(G_OBJECT(context->widget), "button-release-event", |
809 | G_CALLBACK(on_map_button_release_event), context); |
810 | |
811 | /* install handler for timed updates of the gps button */ |
812 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
813 | context->cb_id = gps_register_callback(appdata, gps_callback, context); |
814 | |
815 | #if MAEMO_VERSION_MAJOR == 5 |
816 | /* prevent some of the main screen things */ |
817 | context->old_view = appdata->cur_view; |
818 | appdata->cur_view = NULL; |
819 | #endif |
820 | |
821 | g_signal_connect(G_OBJECT(context->window), "destroy", |
822 | G_CALLBACK(on_window_destroy), context); |
823 | |
824 | gtk_container_add(GTK_CONTAINER(context->window), context->widget); |
825 | gtk_widget_show_all(GTK_WIDGET(context->window)); |
826 | } |