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