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