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