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Draw caches only once
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 | * - draw caches only once |
28 | * - prefer duplicates from selected files |
29 | * - make semi-transparent caches selectable |
30 | */ |
31 | |
32 | #include "gpxview.h" |
33 | #include "converter.h" |
34 | #include <math.h> // for isnan |
35 | |
36 | #ifdef ENABLE_OSM_GPS_MAP |
37 | #include "osm-gps-map.h" |
38 | #include "osm-gps-map-osd-classic.h" |
39 | #endif |
40 | |
41 | #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5) |
42 | #include <gdk/gdkx.h> |
43 | #include <X11/Xatom.h> |
44 | #endif |
45 | |
46 | /* default values */ |
47 | #define MAP_SOURCE OSM_GPS_MAP_SOURCE_OPENCYCLEMAP |
48 | #define GPS_DEFAULT_ZOOM 13 |
49 | |
50 | #define PROXY_KEY "/system/http_proxy/" |
51 | |
52 | static const char *get_proxy_uri(appdata_t *appdata) { |
53 | static char proxy_buffer[64] = ""; |
54 | |
55 | /* use environment settings if preset */ |
56 | const char *proxy = g_getenv("http_proxy"); |
57 | if(proxy) { |
58 | printf("http_proxy: %s\n", proxy); |
59 | return proxy; |
60 | } |
61 | |
62 | /* ------------- get proxy settings -------------------- */ |
63 | if(gconf_client_get_bool(appdata->gconf_client, |
64 | PROXY_KEY "use_http_proxy", NULL)) { |
65 | |
66 | /* we can savely ignore things like "ignore_hosts" since we */ |
67 | /* are pretty sure not inside the net of one of our map renderers */ |
68 | /* (unless the user works at google :-) */ |
69 | |
70 | /* get basic settings */ |
71 | char *host = |
72 | gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL); |
73 | if(host) { |
74 | int port = |
75 | gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL); |
76 | |
77 | snprintf(proxy_buffer, sizeof(proxy_buffer), |
78 | "http://%s:%u", host, port); |
79 | |
80 | g_free(host); |
81 | } |
82 | return proxy_buffer; |
83 | } |
84 | |
85 | return NULL; |
86 | } |
87 | |
88 | static void |
89 | cb_map_gps(osd_button_t but, map_context_t *context) { |
90 | |
91 | if(but == OSD_GPS) { |
92 | pos_t *refpos = get_pos(context->appdata); |
93 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
94 | gint zoom; |
95 | g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL); |
96 | if(zoom < 10) |
97 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
98 | refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM); |
99 | else |
100 | osm_gps_map_set_center(OSM_GPS_MAP(context->widget), |
101 | refpos->lat, refpos->lon); |
102 | |
103 | /* re-enable centering */ |
104 | g_object_set(context->widget, "auto-center", TRUE, NULL); |
105 | } else { |
106 | /* no coordinates given: display the entire world */ |
107 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
108 | 0.0, 0.0, 1); |
109 | } |
110 | } |
111 | } |
112 | |
113 | static int dist2pixel(map_context_t *context, float km, float lat) { |
114 | return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget)); |
115 | } |
116 | |
117 | static gboolean map_gps_update(gpointer data) { |
118 | map_context_t *context = (map_context_t*)data; |
119 | static gboolean goto_is_enabled = FALSE; |
120 | |
121 | /* get reference position ... */ |
122 | pos_t *refpos = get_pos(context->appdata); |
123 | gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon); |
124 | |
125 | /* ... and enable "goto" button if it's valid */ |
126 | if(ok != goto_is_enabled) { |
127 | osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget), |
128 | OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context); |
129 | goto_is_enabled = ok; |
130 | } |
131 | |
132 | if(ok) { |
133 | float heading = NAN; |
134 | int radius = 0; |
135 | |
136 | if(context->appdata->use_gps) { |
137 | heading = gps_get_heading(context->appdata); |
138 | |
139 | /* get error */ |
140 | float eph = gps_get_eph(context->appdata); |
141 | if(!isnan(eph)) |
142 | radius = dist2pixel(context, eph/1000, refpos->lat); |
143 | } |
144 | |
145 | /* TODO: in order to save energy: only draw if state actually changed */ |
146 | |
147 | g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL); |
148 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget), |
149 | refpos->lat, refpos->lon, heading); |
150 | } else |
151 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget)); |
152 | |
153 | return TRUE; |
154 | } |
155 | |
156 | static void map_draw_cache(GtkWidget *map, cache_t *cache, gboolean semi) { |
157 | GdkPixbuf *icon = icon_get(semi?ICON_CACHE_TYPE_SEMI:ICON_CACHE_TYPE, |
158 | cache->type); |
159 | |
160 | /* check if there's also an overwritten coordinate */ |
161 | if(cache->notes && cache->notes->override) { |
162 | GdkPixbuf *over = icon_get(ICON_MISC, 1); |
163 | |
164 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
165 | cache->notes->pos.lat, cache->notes->pos.lon, icon); |
166 | |
167 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
168 | cache->notes->pos.lat, cache->notes->pos.lon, over); |
169 | } else { |
170 | if(!isnan(cache->pos.lat) && !isnan(cache->pos.lon)) |
171 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
172 | cache->pos.lat, cache->pos.lon, icon); |
173 | } |
174 | } |
175 | |
176 | static void map_draw_gpx(appdata_t *appdata, cache_display_t *caches, |
177 | GtkWidget *map, gpx_t *gpx, |
178 | cache_t *nav, gboolean semi) { |
179 | if(!gpx->notes_loaded) { |
180 | notes_load_all(appdata, gpx); |
181 | gpx->notes_loaded = TRUE; |
182 | } |
183 | |
184 | cache_t *cache = gpx->cache; |
185 | while(cache) { |
186 | /* search if we have that cache already in our list/displayed */ |
187 | int i=0; |
188 | while(caches[i].id && (strcmp(caches[i].id, cache->id) != 0)) |
189 | i++; |
190 | |
191 | if(!caches[i].id) { |
192 | /* if nav is given draw all other caches semitransparent. */ |
193 | /* if nav is not given do what semi sais */ |
194 | map_draw_cache(map, cache, nav?(cache != nav):semi); |
195 | caches[i].id = cache->id; |
196 | } |
197 | |
198 | cache = cache->next; |
199 | } |
200 | } |
201 | |
202 | /* draw geocaches and set window title */ |
203 | static void map_setup(map_context_t *context) { |
204 | char *name = NULL; |
205 | |
206 | int cache_num = gpx_total_caches_global(context->appdata->gpx); |
207 | |
208 | if(context->caches_displayed && (cache_num != context->cache_list_len)) { |
209 | // printf("re-alloc because %p %d/%d\n", context->caches_displayed, |
210 | // cache_num, context->cache_list_len); |
211 | g_free(context->caches_displayed); |
212 | context->caches_displayed = NULL; |
213 | context->cache_list_len = 0; |
214 | } |
215 | |
216 | /* allocate buffer */ |
217 | if(cache_num && !context->caches_displayed) { |
218 | context->cache_list_len = cache_num; |
219 | context->caches_displayed = g_new0(cache_display_t, cache_num+1); |
220 | printf("allocated space to handle %d map icons\n", cache_num); |
221 | } |
222 | |
223 | if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
224 | if(context->state != MAP_ALL) { |
225 | printf("map_setup(ALL)\n"); |
226 | |
227 | #ifdef OSD_NAV |
228 | /* no navigation in this mode */ |
229 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
230 | #endif |
231 | |
232 | /* clear all existing cache images */ |
233 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
234 | memset(context->caches_displayed, 0, |
235 | (cache_num+1) * sizeof(cache_display_t)); |
236 | |
237 | /* draw all geocaches and none is semi-transparent */ |
238 | gpx_t *gpx = context->appdata->gpx; |
239 | while(gpx) { |
240 | map_draw_gpx(context->appdata, context->caches_displayed, |
241 | context->widget, gpx, NULL, FALSE); |
242 | gpx = gpx->next; |
243 | } |
244 | |
245 | { |
246 | int i=0; |
247 | while(context->caches_displayed[i].id) i++; |
248 | printf("number of caches actually displayed: %d\n", i); |
249 | } |
250 | |
251 | name = g_strdup(_("all")); |
252 | context->state = MAP_ALL; |
253 | } |
254 | } else if(!context->appdata->cur_cache) { |
255 | if(context->state != MAP_GPX) { |
256 | printf("map_setup(GPX)\n"); |
257 | |
258 | #ifdef OSD_NAV |
259 | /* no navigation in this mode */ |
260 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
261 | #endif |
262 | |
263 | /* clear all existing ccahe images */ |
264 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
265 | memset(context->caches_displayed, 0, |
266 | (cache_num+1) * sizeof(cache_display_t)); |
267 | |
268 | /* draw all geocaches and all other gpx files are semi-transparent */ |
269 | map_draw_gpx(context->appdata, context->caches_displayed, |
270 | context->widget, context->appdata->cur_gpx, NULL, FALSE); |
271 | |
272 | gpx_t *gpx = context->appdata->gpx; |
273 | while(gpx) { |
274 | if(gpx != context->appdata->cur_gpx) |
275 | map_draw_gpx(context->appdata, context->caches_displayed, |
276 | context->widget, gpx, NULL, TRUE); |
277 | |
278 | gpx = gpx->next; |
279 | } |
280 | |
281 | name = g_strdup(context->appdata->cur_gpx->name); |
282 | context->state = MAP_GPX; |
283 | } |
284 | } else { |
285 | cache_t *cache = context->appdata->cur_cache; |
286 | |
287 | printf("map_setup(CACHE)\n"); |
288 | |
289 | /* no balloons in this mode */ |
290 | context->balloon = NULL; |
291 | osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget)); |
292 | |
293 | /* clear all existing ccahe images */ |
294 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
295 | memset(context->caches_displayed, 0, |
296 | (cache_num+1) * sizeof(cache_display_t)); |
297 | |
298 | /* draw all geocaches and all but selected one are semi-transparent */ |
299 | gpx_t *gpx = context->appdata->gpx; |
300 | while(gpx) { |
301 | map_draw_gpx(context->appdata, context->caches_displayed, |
302 | context->widget, gpx, cache, FALSE); |
303 | gpx = gpx->next; |
304 | } |
305 | |
306 | name = g_strdup(cache->name); |
307 | context->state = MAP_CACHE; |
308 | |
309 | /* navigation in this mode! */ |
310 | pos_t cpos = gpx_cache_pos(cache); |
311 | |
312 | #ifdef OSD_NAV |
313 | osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget), |
314 | context->appdata->imperial, |
315 | cpos.lat, cpos.lon, cache->name); |
316 | #else |
317 | #warning OSD_NAV not defined! |
318 | #endif |
319 | } |
320 | |
321 | if(name) { |
322 | char *title = g_strdup_printf(_("Map - %s"), name); |
323 | g_free(name); |
324 | |
325 | gtk_window_set_title(GTK_WINDOW(context->window), title); |
326 | |
327 | g_free(title); |
328 | } else |
329 | printf("map_setup(keep)\n"); |
330 | } |
331 | |
332 | static gboolean on_map_configure(GtkWidget *widget, |
333 | GdkEventConfigure *event, |
334 | map_context_t *context) { |
335 | |
336 | /* for some reason there's a configure event with 1/1 */ |
337 | /* on diablo. We just ignore this! */ |
338 | |
339 | printf("on_map_configure %d %d\n", |
340 | widget->allocation.width, |
341 | widget->allocation.height); |
342 | |
343 | if(!context->map_complete && |
344 | (widget->allocation.width > 100) && |
345 | (widget->allocation.height > 100)) { |
346 | |
347 | /* setup cache state */ |
348 | map_setup(context); |
349 | |
350 | /* set default values if they are invalid */ |
351 | if(!context->appdata->map.zoom || |
352 | isnan(context->appdata->map.pos.lat) || |
353 | isnan(context->appdata->map.pos.lon)) { |
354 | printf("no valid map position found\n"); |
355 | |
356 | pos_t *refpos = get_pos(context->appdata); |
357 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
358 | printf("use refpos\n"); |
359 | |
360 | /* use gps position if present */ |
361 | context->appdata->map.pos = *refpos; |
362 | context->appdata->map.zoom = GPS_DEFAULT_ZOOM; |
363 | } else { |
364 | printf("use zero pos\n"); |
365 | |
366 | /* use world map otherwise */ |
367 | context->appdata->map.pos.lat = 0.0; |
368 | context->appdata->map.pos.lon = 0.0; |
369 | context->appdata->map.zoom = 1; |
370 | } |
371 | } |
372 | |
373 | /* jump to initial position */ |
374 | printf("osm_gps_map_set_mapcenter(%f,%f,%d)\n", |
375 | context->appdata->map.pos.lat, |
376 | context->appdata->map.pos.lon, |
377 | context->appdata->map.zoom); |
378 | |
379 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
380 | context->appdata->map.pos.lat, |
381 | context->appdata->map.pos.lon, |
382 | context->appdata->map.zoom); |
383 | context->map_complete = TRUE; |
384 | } |
385 | |
386 | return FALSE; |
387 | } |
388 | |
389 | static void |
390 | map_cachelist_nearest(cache_t *cache, pos_t *pos, |
391 | cache_t **result, float *distance) { |
392 | |
393 | while(cache) { |
394 | pos_t cpos = gpx_cache_pos(cache); |
395 | |
396 | float dist = |
397 | pow(cpos.lat - pos->lat, 2) + |
398 | pow(cpos.lon - pos->lon, 2); |
399 | |
400 | if(!(dist > *distance)) { |
401 | *result = cache; |
402 | *distance = dist; |
403 | } |
404 | |
405 | cache = cache->next; |
406 | } |
407 | } |
408 | |
409 | static cache_t *map_closest(map_context_t *context, pos_t *pos) { |
410 | cache_t *result = NULL; |
411 | float distance = NAN; |
412 | |
413 | if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
414 | /* search all geocaches */ |
415 | gpx_t *gpx = context->appdata->gpx; |
416 | while(gpx) { |
417 | map_cachelist_nearest(gpx->cache, pos, &result, &distance); |
418 | gpx = gpx->next; |
419 | } |
420 | } else if(context->appdata->cur_gpx) { |
421 | map_cachelist_nearest(context->appdata->cur_gpx->cache, |
422 | pos, &result, &distance); |
423 | } else |
424 | result = context->appdata->cur_gpx->cache; |
425 | |
426 | return result; |
427 | } |
428 | |
429 | /* translate between osm-gps-map positions and gpxview ones */ |
430 | pos_t coord2pos(coord_t coo) { |
431 | pos_t pos; |
432 | pos.lat = rad2deg(coo.rlat); |
433 | pos.lon = rad2deg(coo.rlon); |
434 | return pos; |
435 | } |
436 | |
437 | #define CLICK_FUZZ (24) |
438 | |
439 | static gboolean |
440 | on_map_button_press_event(GtkWidget *widget, |
441 | GdkEventButton *event, map_context_t *context) { |
442 | |
443 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
444 | |
445 | /* check if we actually clicked parts of the OSD */ |
446 | if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE) |
447 | return FALSE; |
448 | |
449 | /* got a press event without release event? eat it! */ |
450 | if(context->press_on != NULL) { |
451 | printf("PRESS: already\n"); |
452 | return FALSE; |
453 | } |
454 | |
455 | pos_t pos = |
456 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
457 | |
458 | cache_t *nearest = map_closest(context, &pos); |
459 | if(nearest) { |
460 | pos_t cpos = gpx_cache_pos(nearest); |
461 | |
462 | float dist = gpx_pos_get_distance(pos, cpos, FALSE); |
463 | if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) |
464 | context->press_on = nearest; |
465 | } |
466 | |
467 | return FALSE; |
468 | } |
469 | |
470 | static void |
471 | cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) { |
472 | /* convert the pixbuf into something cairo can handle */ |
473 | |
474 | // Create a new ImageSurface |
475 | cairo_surface_t *image_surface = |
476 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
477 | gdk_pixbuf_get_width(buf), |
478 | gdk_pixbuf_get_height(buf)); |
479 | |
480 | // Create the new Context for the ImageSurface |
481 | g_assert(image_surface); |
482 | cairo_t *context = cairo_create(image_surface); |
483 | |
484 | // Draw the image on the new Context |
485 | gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0); |
486 | cairo_paint(context); |
487 | |
488 | // now draw this onto the original context |
489 | cairo_set_source_surface(cr, image_surface, x, y); |
490 | |
491 | cairo_paint(cr); |
492 | } |
493 | |
494 | #ifndef BIG_BALLOONS |
495 | #define LINE_SKIP 7 |
496 | #else |
497 | #define LINE_SKIP 12 |
498 | #endif |
499 | |
500 | static void |
501 | balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) { |
502 | printf("balloon event: "); |
503 | |
504 | map_context_t *context = (map_context_t*)data; |
505 | cache_t *cache = context->balloon; |
506 | |
507 | if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) { |
508 | printf("draw\n"); |
509 | |
510 | #if 0 |
511 | /* draw pink background to check clipping */ |
512 | cairo_rectangle (event->data.draw.cr, |
513 | event->data.draw.rect->x-20, event->data.draw.rect->y-20, |
514 | event->data.draw.rect->w+40, event->data.draw.rect->h+40); |
515 | cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3); |
516 | cairo_fill_preserve (event->data.draw.cr); |
517 | cairo_set_line_width (event->data.draw.cr, 0); |
518 | cairo_stroke (event->data.draw.cr); |
519 | #endif |
520 | |
521 | /* leave a little border top and left */ |
522 | gint x = event->data.draw.rect->x, y = event->data.draw.rect->y; |
523 | |
524 | /* draw the cache type icon ... */ |
525 | GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type); |
526 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y); |
527 | |
528 | if(cache->notes && cache->notes->override) { |
529 | GdkPixbuf *over = icon_get(ICON_MISC, 1); |
530 | cairo_draw_pixbuf(event->data.draw.cr, over, x, y); |
531 | } |
532 | |
533 | /* ... and right of it the waypoint id */ |
534 | cairo_text_extents_t extents; |
535 | |
536 | if(cache->id) { |
537 | cairo_select_font_face (event->data.draw.cr, "Sans", |
538 | CAIRO_FONT_SLANT_NORMAL, |
539 | CAIRO_FONT_WEIGHT_BOLD); |
540 | |
541 | #ifndef BIG_BALLOONS |
542 | cairo_set_font_size (event->data.draw.cr, 20.0); |
543 | #else |
544 | cairo_set_font_size (event->data.draw.cr, 36.0); |
545 | #endif |
546 | |
547 | cairo_text_extents (event->data.draw.cr, cache->id, &extents); |
548 | |
549 | /* display id right of icon vertically centered */ |
550 | x += gdk_pixbuf_get_width(icon) + 5; |
551 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
552 | cairo_move_to (event->data.draw.cr, x, y); |
553 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
554 | cairo_show_text (event->data.draw.cr, cache->id); |
555 | cairo_stroke (event->data.draw.cr); |
556 | |
557 | y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP; |
558 | } else |
559 | y += gdk_pixbuf_get_height(icon); |
560 | |
561 | /* return to the left border and below icon/text */ |
562 | x = event->data.draw.rect->x; |
563 | |
564 | /* everything from here uses the same font */ |
565 | cairo_select_font_face (event->data.draw.cr, "Sans", CAIRO_FONT_SLANT_NORMAL, |
566 | CAIRO_FONT_WEIGHT_NORMAL); |
567 | #ifndef BIG_BALLOONS |
568 | cairo_set_font_size (event->data.draw.cr, 14.0); |
569 | #else |
570 | cairo_set_font_size (event->data.draw.cr, 22.0); |
571 | #endif |
572 | |
573 | if(cache->name) { |
574 | /* draw cache name */ |
575 | cairo_text_extents (event->data.draw.cr, cache->name, &extents); |
576 | y += extents.height; |
577 | cairo_move_to (event->data.draw.cr, x, y); |
578 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
579 | cairo_show_text (event->data.draw.cr, cache->name); |
580 | cairo_stroke (event->data.draw.cr); |
581 | |
582 | /* return to the left border and below text */ |
583 | y += LINE_SKIP; |
584 | x = event->data.draw.rect->x; |
585 | } |
586 | |
587 | if(cache->terrain) { |
588 | /* draw cache rating */ |
589 | const char *terrain = "Terrain:"; |
590 | icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2)); |
591 | cairo_text_extents (event->data.draw.cr, _(terrain), &extents); |
592 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
593 | |
594 | /* draw "Terrain:" string */ |
595 | cairo_move_to (event->data.draw.cr, x, y); |
596 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
597 | cairo_show_text (event->data.draw.cr, _(terrain)); |
598 | cairo_stroke (event->data.draw.cr); |
599 | x += extents.width + 2; |
600 | |
601 | /* draw terrain stars */ |
602 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y - |
603 | (gdk_pixbuf_get_height(icon) + extents.height)/2); |
604 | |
605 | x += gdk_pixbuf_get_width(icon) + LINE_SKIP; |
606 | y -= (gdk_pixbuf_get_height(icon) + extents.height)/2; |
607 | } |
608 | |
609 | if(cache->difficulty) { |
610 | const char *difficulty = "Difficulty:"; |
611 | cairo_text_extents (event->data.draw.cr, _(difficulty), &extents); |
612 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
613 | |
614 | /* draw "Difficulty:" string */ |
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, _(difficulty)); |
618 | cairo_stroke (event->data.draw.cr); |
619 | x += extents.width + 2; |
620 | |
621 | icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2)); |
622 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y - |
623 | (gdk_pixbuf_get_height(icon) + extents.height)/2); |
624 | } |
625 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) { |
626 | printf("click %s event at %d %d\n", |
627 | event->data.click.down?"down":"up", |
628 | event->data.click.x, event->data.click.y); |
629 | |
630 | /* make the main screen jump to that cache */ |
631 | if(!event->data.click.down) { |
632 | if(context->appdata->cur_cache) { |
633 | printf("ERROR: no current cache should be visible!\n"); |
634 | } else { |
635 | gpx_t *is_in = NULL; |
636 | |
637 | if(!context->appdata->cur_gpx) { |
638 | printf("click while in \"all\" view\n"); |
639 | |
640 | /* we first need to figure out which gpx file this cache */ |
641 | /* is in so we can open it first */ |
642 | gpx_t *gpx = context->appdata->gpx; |
643 | while(gpx && !is_in) { |
644 | cache_t *cur = gpx->cache; |
645 | while(cur && !is_in) { |
646 | if(cur == cache) |
647 | is_in = gpx; |
648 | cur = cur->next; |
649 | } |
650 | gpx = gpx->next; |
651 | } |
652 | |
653 | if(is_in) |
654 | gpxlist_goto_cachelist(context->appdata, is_in); |
655 | |
656 | } else |
657 | /* the simple case: there already is an open gpx file and */ |
658 | /* we just jump into the "cache" view */ |
659 | is_in = context->appdata->cur_gpx; |
660 | |
661 | if(is_in) { |
662 | printf("selecting %s in %s\n", |
663 | cache->id, |
664 | context->appdata->cur_gpx->name); |
665 | |
666 | cachelist_goto_cache(context->appdata, cache); |
667 | |
668 | /* give focus to main screen (important for maemo) */ |
669 | printf("raising main window\n"); |
670 | gtk_window_present(GTK_WINDOW(context->appdata->window)); |
671 | } |
672 | } |
673 | } |
674 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) { |
675 | printf("removed\n"); |
676 | context->balloon = NULL; |
677 | } |
678 | } |
679 | |
680 | static gboolean |
681 | on_map_button_release_event(GtkWidget *widget, |
682 | GdkEventButton *event, map_context_t *context) { |
683 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
684 | |
685 | /* in "MAP_CACHE" state only one cache is visible */ |
686 | /* and the map is in navigation mode. the balloon is */ |
687 | /* pretty useless there */ |
688 | if(context->press_on && (context->state != MAP_CACHE)) { |
689 | |
690 | coord_t coo; |
691 | coo = osm_gps_map_get_co_ordinates(map, event->x, event->y); |
692 | |
693 | pos_t pos = |
694 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
695 | |
696 | cache_t *nearest = map_closest(context, &pos); |
697 | if(nearest && nearest == context->press_on) { |
698 | pos_t cpos = gpx_cache_pos(nearest); |
699 | |
700 | float dist = gpx_pos_get_distance(pos, cpos, FALSE); |
701 | if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) { |
702 | |
703 | context->balloon = nearest; |
704 | osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon, |
705 | balloon_cb, context); |
706 | } |
707 | } |
708 | context->press_on = NULL; |
709 | } else { |
710 | /* save new map position */ |
711 | gfloat lat, lon; |
712 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
713 | context->appdata->map.pos.lat = lat; |
714 | context->appdata->map.pos.lon = lon; |
715 | } |
716 | |
717 | return FALSE; |
718 | } |
719 | |
720 | static void on_window_destroy(GtkWidget *widget, map_context_t *context) { |
721 | appdata_t *appdata = context->appdata; |
722 | |
723 | /* save map parameters */ |
724 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
725 | gint zoom; |
726 | g_object_get(map, "zoom", &zoom, NULL); |
727 | context->appdata->map.zoom = zoom; |
728 | |
729 | gfloat lat, lon; |
730 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
731 | context->appdata->map.pos.lat = lat; |
732 | context->appdata->map.pos.lon = lon; |
733 | |
734 | gint source; |
735 | g_object_get(map, "map-source", &source, NULL); |
736 | context->appdata->map.source = source; |
737 | |
738 | #if MAEMO_VERSION_MAJOR == 5 |
739 | /* restore cur_view */ |
740 | context->appdata->cur_view = context->old_view; |
741 | #endif |
742 | |
743 | gtk_timeout_remove(context->handler_id); |
744 | gps_unregister_callback(appdata, context->cb_id); |
745 | |
746 | if(context->caches_displayed) { |
747 | g_free(context->caches_displayed); |
748 | context->caches_displayed = NULL; |
749 | } |
750 | |
751 | g_free(context); |
752 | appdata->map.context = NULL; |
753 | } |
754 | |
755 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
756 | /* get access to zoom buttons */ |
757 | static void |
758 | on_window_realize(GtkWidget *widget, gpointer data) { |
759 | if (widget->window) { |
760 | unsigned char value = 1; |
761 | Atom hildon_zoom_key_atom = |
762 | gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"), |
763 | integer_atom = gdk_x11_get_xatom_by_name("INTEGER"); |
764 | Display *dpy = |
765 | GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window)); |
766 | Window w = GDK_WINDOW_XID(widget->window); |
767 | |
768 | XChangeProperty(dpy, w, hildon_zoom_key_atom, |
769 | integer_atom, 8, PropModeReplace, &value, 1); |
770 | } |
771 | } |
772 | #endif |
773 | |
774 | /* on maemo a window is either on top or completely invisible. this */ |
775 | /* means that we only need to update the map window if its raised. */ |
776 | /* on ordinary desktops this is different and we always update */ |
777 | |
778 | static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event, |
779 | gpointer data) { |
780 | printf("map got focus\n"); |
781 | map_setup((map_context_t*)data); |
782 | return FALSE; |
783 | } |
784 | |
785 | void map_update(appdata_t *appdata) { |
786 | printf("map_update\n"); |
787 | #ifndef USE_MAEMO |
788 | if(appdata->map.context) |
789 | map_setup(appdata->map.context); |
790 | #endif |
791 | } |
792 | |
793 | /* callback called by the gps layer whenever gps state changes */ |
794 | static void |
795 | gps_callback(struct gps_state *state, gpointer data) { |
796 | printf("map: gps callback\n"); |
797 | } |
798 | |
799 | void map(appdata_t *appdata) { |
800 | map_context_t *context = NULL; |
801 | |
802 | /* if the map window already exists, just raise it */ |
803 | if(appdata->map.context) { |
804 | printf("using existing map!\n"); |
805 | gtk_window_present(GTK_WINDOW(appdata->map.context->window)); |
806 | map_setup(appdata->map.context); |
807 | return; |
808 | } |
809 | |
810 | context = appdata->map.context = g_new0(map_context_t, 1); |
811 | context->appdata = appdata; |
812 | context->map_complete = FALSE; |
813 | context->state = MAP_NONE; |
814 | |
815 | /* cleanup old (pre 0.8.7) path if it exists */ |
816 | char *old_path = g_strdup_printf("%s/map/", appdata->image_path); |
817 | if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) { |
818 | printf("old file path %s exists\n", old_path); |
819 | rmdir_recursive(old_path); |
820 | } |
821 | |
822 | /* It is recommanded that all applications share these same */ |
823 | /* map path, so data is only cached once. The path should be: */ |
824 | /* ~/.osm-gps-map on standard PC (users home) */ |
825 | /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */ |
826 | /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */ |
827 | #if !defined(USE_MAEMO) |
828 | char *p = getenv("HOME"); |
829 | if(!p) p = "/tmp"; |
830 | char *path = g_strdup_printf("%s/.osm-gps-map", p); |
831 | #else |
832 | #if MAEMO_VERSION_MAJOR == 5 |
833 | char *path = g_strdup("/home/user/.osm-gps-map"); |
834 | #else |
835 | char *path = g_strdup("/media/mmc2/osm-gps-map"); |
836 | #endif |
837 | #endif |
838 | |
839 | const char *proxy = get_proxy_uri(appdata); |
840 | |
841 | gint source = context->appdata->map.source; |
842 | if(!source) source = MAP_SOURCE; |
843 | |
844 | context->widget = g_object_new(OSM_TYPE_GPS_MAP, |
845 | "map-source", source, |
846 | "tile-cache", path, |
847 | "auto-center", FALSE, |
848 | "record-trip-history", FALSE, |
849 | "show-trip-history", FALSE, |
850 | proxy?"proxy-uri":NULL, proxy, |
851 | NULL); |
852 | |
853 | g_free(path); |
854 | |
855 | osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget)); |
856 | |
857 | #ifdef USE_MAEMO |
858 | /* we don't use a stackable window here on fremantle, since */ |
859 | /* this leaves the main window independent from the map and */ |
860 | /* the user can e.g. still navigate the main menu */ |
861 | context->window = hildon_window_new(); |
862 | |
863 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
864 | g_signal_connect(G_OBJECT(context->window), "realize", |
865 | G_CALLBACK(on_window_realize), NULL); |
866 | #endif // MAEMO_VERSION |
867 | #else |
868 | context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
869 | #endif |
870 | |
871 | #ifndef USE_MAEMO |
872 | gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480); |
873 | #endif |
874 | |
875 | g_signal_connect(G_OBJECT(context->widget), "focus-in-event", |
876 | G_CALLBACK(on_focus_in), context); |
877 | |
878 | g_signal_connect(G_OBJECT(context->widget), "configure-event", |
879 | G_CALLBACK(on_map_configure), context); |
880 | |
881 | g_signal_connect(G_OBJECT(context->widget), "button-press-event", |
882 | G_CALLBACK(on_map_button_press_event), context); |
883 | |
884 | g_signal_connect(G_OBJECT(context->widget), "button-release-event", |
885 | G_CALLBACK(on_map_button_release_event), context); |
886 | |
887 | /* install handler for timed updates of the gps button */ |
888 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
889 | context->cb_id = gps_register_callback(appdata, gps_callback, context); |
890 | |
891 | #if MAEMO_VERSION_MAJOR == 5 |
892 | /* prevent some of the main screen things */ |
893 | context->old_view = appdata->cur_view; |
894 | appdata->cur_view = NULL; |
895 | #endif |
896 | |
897 | g_signal_connect(G_OBJECT(context->window), "destroy", |
898 | G_CALLBACK(on_window_destroy), context); |
899 | |
900 | gtk_container_add(GTK_CONTAINER(context->window), context->widget); |
901 | gtk_widget_show_all(GTK_WIDGET(context->window)); |
902 | } |