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Various adjustments
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("map http proxy from env: %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 | printf("map http proxy from gconf: %s\n ", proxy_buffer); |
80 | |
81 | g_free(host); |
82 | } |
83 | return proxy_buffer; |
84 | } |
85 | |
86 | return NULL; |
87 | } |
88 | |
89 | static void |
90 | cb_map_gps(osd_button_t but, map_context_t *context) { |
91 | |
92 | if(but == OSD_GPS) { |
93 | pos_t *refpos = get_pos(context->appdata); |
94 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
95 | gint zoom; |
96 | g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL); |
97 | if(zoom < 10) |
98 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
99 | refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM); |
100 | else |
101 | osm_gps_map_set_center(OSM_GPS_MAP(context->widget), |
102 | refpos->lat, refpos->lon); |
103 | |
104 | /* re-enable centering */ |
105 | g_object_set(context->widget, "auto-center", TRUE, NULL); |
106 | } else { |
107 | /* no coordinates given: display the entire world */ |
108 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
109 | 0.0, 0.0, 1); |
110 | } |
111 | } |
112 | } |
113 | |
114 | static int dist2pixel(map_context_t *context, float km, float lat) { |
115 | return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget)); |
116 | } |
117 | |
118 | static gboolean map_gps_update(gpointer data) { |
119 | map_context_t *context = (map_context_t*)data; |
120 | static gboolean goto_is_enabled = FALSE; |
121 | |
122 | /* get reference position ... */ |
123 | pos_t *refpos = get_pos(context->appdata); |
124 | gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon); |
125 | |
126 | /* ... and enable "goto" button if it's valid */ |
127 | if(ok != goto_is_enabled) { |
128 | osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget), |
129 | OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context); |
130 | goto_is_enabled = ok; |
131 | } |
132 | |
133 | if(ok) { |
134 | float heading = NAN; |
135 | int radius = 0; |
136 | |
137 | if(context->appdata->use_gps) { |
138 | heading = gps_get_heading(context->appdata); |
139 | |
140 | /* get error */ |
141 | float eph = gps_get_eph(context->appdata); |
142 | if(!isnan(eph)) |
143 | radius = dist2pixel(context, eph/1000, refpos->lat); |
144 | } |
145 | |
146 | /* TODO: in order to save energy: only draw if state actually changed */ |
147 | |
148 | g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL); |
149 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget), |
150 | refpos->lat, refpos->lon, heading); |
151 | } else |
152 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget)); |
153 | |
154 | return TRUE; |
155 | } |
156 | |
157 | static void map_draw_cache(GtkWidget *map, cache_t *cache, gboolean semi) { |
158 | int type = semi?ICON_CACHE_TYPE_SEMI:ICON_CACHE_TYPE; |
159 | |
160 | GdkPixbuf *icon = icon_get(type, cache->type); |
161 | |
162 | /* check if there's also an overwritten coordinate */ |
163 | if(cache->notes && cache->notes->override) { |
164 | GdkPixbuf *over = icon_get(type, 11); |
165 | |
166 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
167 | cache->notes->pos.lat, cache->notes->pos.lon, icon); |
168 | |
169 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
170 | cache->notes->pos.lat, cache->notes->pos.lon, over); |
171 | } else { |
172 | if(!isnan(cache->pos.lat) && !isnan(cache->pos.lon)) |
173 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
174 | cache->pos.lat, cache->pos.lon, icon); |
175 | } |
176 | } |
177 | |
178 | static void map_draw_gpx(appdata_t *appdata, cache_display_t *caches, |
179 | GtkWidget *map, gpx_t *gpx, |
180 | cache_t *nav, gboolean semi) { |
181 | if(!gpx->notes_loaded) { |
182 | notes_load_all(appdata, gpx); |
183 | gpx->notes_loaded = TRUE; |
184 | } |
185 | |
186 | cache_t *cache = gpx->cache; |
187 | while(cache) { |
188 | /* search if we have that cache already in our list/displayed */ |
189 | int i=0; |
190 | while(caches[i].id && (strcmp(caches[i].id, cache->id) != 0)) |
191 | i++; |
192 | |
193 | if(!caches[i].id) { |
194 | /* if nav is given draw all other caches semitransparent. */ |
195 | /* if nav is not given do what semi sais */ |
196 | map_draw_cache(map, cache, nav?(cache != nav):semi); |
197 | caches[i].id = cache->id; |
198 | } |
199 | |
200 | cache = cache->next; |
201 | } |
202 | } |
203 | |
204 | /* draw geocaches and set window title */ |
205 | static void map_setup(map_context_t *context) { |
206 | char *name = NULL; |
207 | |
208 | int cache_num = gpx_total_caches_global(context->appdata->gpx); |
209 | |
210 | if(context->caches_displayed && (cache_num != context->cache_list_len)) { |
211 | // printf("re-alloc because %p %d/%d\n", context->caches_displayed, |
212 | // cache_num, context->cache_list_len); |
213 | g_free(context->caches_displayed); |
214 | context->caches_displayed = NULL; |
215 | context->cache_list_len = 0; |
216 | } |
217 | |
218 | /* allocate buffer */ |
219 | if(cache_num && !context->caches_displayed) { |
220 | context->cache_list_len = cache_num; |
221 | context->caches_displayed = g_new0(cache_display_t, cache_num+1); |
222 | printf("allocated space to handle %d map icons\n", cache_num); |
223 | } |
224 | |
225 | if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
226 | if(context->state != MAP_ALL) { |
227 | printf("map_setup(ALL)\n"); |
228 | |
229 | #ifdef OSD_NAV |
230 | /* no navigation in this mode */ |
231 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
232 | #endif |
233 | |
234 | /* clear all existing cache images */ |
235 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
236 | memset(context->caches_displayed, 0, |
237 | (cache_num+1) * sizeof(cache_display_t)); |
238 | |
239 | /* draw all geocaches and none is semi-transparent */ |
240 | gpx_t *gpx = context->appdata->gpx; |
241 | while(gpx) { |
242 | map_draw_gpx(context->appdata, context->caches_displayed, |
243 | context->widget, gpx, NULL, FALSE); |
244 | gpx = gpx->next; |
245 | } |
246 | |
247 | { |
248 | int i=0; |
249 | while(context->caches_displayed[i].id) i++; |
250 | printf("number of caches actually displayed: %d\n", i); |
251 | } |
252 | |
253 | name = g_strdup(_("all")); |
254 | context->state = MAP_ALL; |
255 | } |
256 | } else if(!context->appdata->cur_cache) { |
257 | if(context->state != MAP_GPX) { |
258 | printf("map_setup(GPX)\n"); |
259 | |
260 | #ifdef OSD_NAV |
261 | /* no navigation in this mode */ |
262 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
263 | #endif |
264 | |
265 | /* clear all existing ccahe images */ |
266 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
267 | memset(context->caches_displayed, 0, |
268 | (cache_num+1) * sizeof(cache_display_t)); |
269 | |
270 | /* draw all geocaches and all other gpx files are semi-transparent */ |
271 | map_draw_gpx(context->appdata, context->caches_displayed, |
272 | context->widget, context->appdata->cur_gpx, NULL, FALSE); |
273 | |
274 | gpx_t *gpx = context->appdata->gpx; |
275 | while(gpx) { |
276 | if(gpx != context->appdata->cur_gpx) |
277 | map_draw_gpx(context->appdata, context->caches_displayed, |
278 | context->widget, gpx, NULL, TRUE); |
279 | |
280 | gpx = gpx->next; |
281 | } |
282 | |
283 | name = g_strdup(context->appdata->cur_gpx->name); |
284 | context->state = MAP_GPX; |
285 | } |
286 | } else { |
287 | cache_t *cache = context->appdata->cur_cache; |
288 | |
289 | printf("map_setup(CACHE)\n"); |
290 | |
291 | /* no balloons in this mode */ |
292 | context->balloon = NULL; |
293 | osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget)); |
294 | |
295 | /* clear all existing ccahe images */ |
296 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
297 | memset(context->caches_displayed, 0, |
298 | (cache_num+1) * sizeof(cache_display_t)); |
299 | |
300 | /* draw all geocaches and all but selected one are semi-transparent */ |
301 | gpx_t *gpx = context->appdata->gpx; |
302 | while(gpx) { |
303 | map_draw_gpx(context->appdata, context->caches_displayed, |
304 | context->widget, gpx, cache, FALSE); |
305 | gpx = gpx->next; |
306 | } |
307 | |
308 | name = g_strdup(cache->name); |
309 | context->state = MAP_CACHE; |
310 | |
311 | /* navigation in this mode! */ |
312 | pos_t cpos = gpx_cache_pos(cache); |
313 | |
314 | #ifdef OSD_NAV |
315 | osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget), |
316 | context->appdata->imperial, |
317 | cpos.lat, cpos.lon, cache->name); |
318 | #else |
319 | #warning OSD_NAV not defined! |
320 | #endif |
321 | } |
322 | |
323 | if(name) { |
324 | char *title = g_strdup_printf(_("Map - %s"), name); |
325 | g_free(name); |
326 | |
327 | gtk_window_set_title(GTK_WINDOW(context->window), title); |
328 | |
329 | g_free(title); |
330 | } else |
331 | printf("map_setup(keep)\n"); |
332 | } |
333 | |
334 | static gboolean on_map_configure(GtkWidget *widget, |
335 | GdkEventConfigure *event, |
336 | map_context_t *context) { |
337 | |
338 | /* for some reason there's a configure event with 1/1 */ |
339 | /* on diablo. We just ignore this! */ |
340 | |
341 | printf("on_map_configure %d %d\n", |
342 | widget->allocation.width, |
343 | widget->allocation.height); |
344 | |
345 | if(!context->map_complete && |
346 | (widget->allocation.width > 100) && |
347 | (widget->allocation.height > 100)) { |
348 | |
349 | /* setup cache state */ |
350 | map_setup(context); |
351 | |
352 | /* set default values if they are invalid */ |
353 | if(!context->appdata->map.zoom || |
354 | isnan(context->appdata->map.pos.lat) || |
355 | isnan(context->appdata->map.pos.lon)) { |
356 | printf("no valid map position found\n"); |
357 | |
358 | pos_t *refpos = get_pos(context->appdata); |
359 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
360 | printf("use refpos\n"); |
361 | |
362 | /* use gps position if present */ |
363 | context->appdata->map.pos = *refpos; |
364 | context->appdata->map.zoom = GPS_DEFAULT_ZOOM; |
365 | } else { |
366 | printf("use zero pos\n"); |
367 | |
368 | /* use world map otherwise */ |
369 | context->appdata->map.pos.lat = 0.0; |
370 | context->appdata->map.pos.lon = 0.0; |
371 | context->appdata->map.zoom = 1; |
372 | } |
373 | } |
374 | |
375 | /* jump to initial position */ |
376 | printf("osm_gps_map_set_mapcenter(%f,%f,%d)\n", |
377 | context->appdata->map.pos.lat, |
378 | context->appdata->map.pos.lon, |
379 | context->appdata->map.zoom); |
380 | |
381 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
382 | context->appdata->map.pos.lat, |
383 | context->appdata->map.pos.lon, |
384 | context->appdata->map.zoom); |
385 | context->map_complete = TRUE; |
386 | } |
387 | |
388 | return FALSE; |
389 | } |
390 | |
391 | static void |
392 | map_cachelist_nearest(cache_t *cache, pos_t *pos, |
393 | cache_t **result, float *distance) { |
394 | |
395 | while(cache) { |
396 | pos_t cpos = gpx_cache_pos(cache); |
397 | |
398 | float dist = |
399 | pow(cpos.lat - pos->lat, 2) + |
400 | pow(cpos.lon - pos->lon, 2); |
401 | |
402 | if(!(dist > *distance)) { |
403 | *result = cache; |
404 | *distance = dist; |
405 | } |
406 | |
407 | cache = cache->next; |
408 | } |
409 | } |
410 | |
411 | static cache_t *map_closest(map_context_t *context, pos_t *pos) { |
412 | cache_t *result = NULL; |
413 | float distance = NAN; |
414 | |
415 | if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
416 | /* search all geocaches */ |
417 | gpx_t *gpx = context->appdata->gpx; |
418 | while(gpx) { |
419 | map_cachelist_nearest(gpx->cache, pos, &result, &distance); |
420 | gpx = gpx->next; |
421 | } |
422 | } else if(context->appdata->cur_gpx) { |
423 | map_cachelist_nearest(context->appdata->cur_gpx->cache, |
424 | pos, &result, &distance); |
425 | } else |
426 | result = context->appdata->cur_gpx->cache; |
427 | |
428 | return result; |
429 | } |
430 | |
431 | /* translate between osm-gps-map positions and gpxview ones */ |
432 | pos_t coord2pos(coord_t coo) { |
433 | pos_t pos; |
434 | pos.lat = rad2deg(coo.rlat); |
435 | pos.lon = rad2deg(coo.rlon); |
436 | return pos; |
437 | } |
438 | |
439 | #define CLICK_FUZZ (24) |
440 | |
441 | static gboolean |
442 | on_map_button_press_event(GtkWidget *widget, |
443 | GdkEventButton *event, map_context_t *context) { |
444 | |
445 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
446 | |
447 | /* check if we actually clicked parts of the OSD */ |
448 | if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE) |
449 | return FALSE; |
450 | |
451 | /* got a press event without release event? eat it! */ |
452 | if(context->press_on != NULL) { |
453 | printf("PRESS: already\n"); |
454 | return FALSE; |
455 | } |
456 | |
457 | pos_t pos = |
458 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
459 | |
460 | cache_t *nearest = map_closest(context, &pos); |
461 | if(nearest) { |
462 | pos_t cpos = gpx_cache_pos(nearest); |
463 | |
464 | float dist = gpx_pos_get_distance(pos, cpos, FALSE); |
465 | if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) |
466 | context->press_on = nearest; |
467 | } |
468 | |
469 | return FALSE; |
470 | } |
471 | |
472 | static void |
473 | cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) { |
474 | /* convert the pixbuf into something cairo can handle */ |
475 | |
476 | // Create a new ImageSurface |
477 | cairo_surface_t *image_surface = |
478 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
479 | gdk_pixbuf_get_width(buf), |
480 | gdk_pixbuf_get_height(buf)); |
481 | |
482 | // Create the new Context for the ImageSurface |
483 | g_assert(image_surface); |
484 | cairo_t *context = cairo_create(image_surface); |
485 | |
486 | // Draw the image on the new Context |
487 | gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0); |
488 | cairo_paint(context); |
489 | |
490 | // now draw this onto the original context |
491 | cairo_set_source_surface(cr, image_surface, x, y); |
492 | |
493 | cairo_paint(cr); |
494 | } |
495 | |
496 | #ifndef BIG_BALLOONS |
497 | #define ICON_SIZE ICON_CACHE_TYPE |
498 | #define LINE_SKIP 7 |
499 | #else |
500 | #define ICON_SIZE ICON_CACHE_TYPE_1_5X |
501 | #define LINE_SKIP 12 |
502 | #endif |
503 | |
504 | static void |
505 | balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) { |
506 | printf("balloon event: "); |
507 | |
508 | map_context_t *context = (map_context_t*)data; |
509 | cache_t *cache = context->balloon; |
510 | |
511 | if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) { |
512 | printf("draw\n"); |
513 | |
514 | #if 0 |
515 | /* draw pink background to check clipping */ |
516 | cairo_rectangle (event->data.draw.cr, |
517 | event->data.draw.rect->x-20, event->data.draw.rect->y-20, |
518 | event->data.draw.rect->w+40, event->data.draw.rect->h+40); |
519 | cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3); |
520 | cairo_fill_preserve (event->data.draw.cr); |
521 | cairo_set_line_width (event->data.draw.cr, 0); |
522 | cairo_stroke (event->data.draw.cr); |
523 | #endif |
524 | |
525 | /* leave a little border top and left */ |
526 | gint x = event->data.draw.rect->x, y = event->data.draw.rect->y; |
527 | |
528 | /* draw the cache type icon ... */ |
529 | GdkPixbuf *icon = icon_get(ICON_SIZE, cache->type); |
530 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y); |
531 | |
532 | if(cache->notes && cache->notes->override) { |
533 | GdkPixbuf *over = icon_get(ICON_SIZE, 11); |
534 | cairo_draw_pixbuf(event->data.draw.cr, over, x, y); |
535 | } |
536 | |
537 | /* ... and right of it the waypoint id */ |
538 | cairo_text_extents_t extents; |
539 | |
540 | if(cache->id) { |
541 | cairo_select_font_face (event->data.draw.cr, "Sans", |
542 | CAIRO_FONT_SLANT_NORMAL, |
543 | CAIRO_FONT_WEIGHT_BOLD); |
544 | |
545 | #ifndef BIG_BALLOONS |
546 | cairo_set_font_size (event->data.draw.cr, 20.0); |
547 | #else |
548 | cairo_set_font_size (event->data.draw.cr, 36.0); |
549 | #endif |
550 | |
551 | cairo_text_extents (event->data.draw.cr, cache->id, &extents); |
552 | |
553 | /* display id right of icon vertically centered */ |
554 | x += gdk_pixbuf_get_width(icon) + 5; |
555 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
556 | cairo_move_to (event->data.draw.cr, x, y); |
557 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
558 | cairo_show_text (event->data.draw.cr, cache->id); |
559 | cairo_stroke (event->data.draw.cr); |
560 | |
561 | y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP; |
562 | } else |
563 | y += gdk_pixbuf_get_height(icon); |
564 | |
565 | /* return to the left border and below icon/text */ |
566 | x = event->data.draw.rect->x; |
567 | |
568 | /* everything from here uses the same font */ |
569 | cairo_select_font_face (event->data.draw.cr, "Sans", CAIRO_FONT_SLANT_NORMAL, |
570 | CAIRO_FONT_WEIGHT_NORMAL); |
571 | #ifndef BIG_BALLOONS |
572 | #define FONT_SIZE 14.0 |
573 | #else |
574 | #define FONT_SIZE 22.0 |
575 | #endif |
576 | |
577 | cairo_set_font_size (event->data.draw.cr, FONT_SIZE); |
578 | |
579 | if(cache->name) { |
580 | /* draw cache name */ |
581 | cairo_text_extents (event->data.draw.cr, cache->name, &extents); |
582 | y += extents.height; |
583 | cairo_move_to (event->data.draw.cr, x, y); |
584 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
585 | cairo_show_text (event->data.draw.cr, cache->name); |
586 | cairo_stroke (event->data.draw.cr); |
587 | |
588 | /* return to the left border and below text */ |
589 | y += LINE_SKIP; |
590 | x = event->data.draw.rect->x; |
591 | } |
592 | |
593 | if(cache->terrain) { |
594 | int text_y = 0, icon_y = 0; |
595 | |
596 | /* draw cache rating */ |
597 | const char *terrain = "Terrain:"; |
598 | icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2)); |
599 | cairo_text_extents (event->data.draw.cr, _(terrain), &extents); |
600 | |
601 | if(gdk_pixbuf_get_height(icon) > FONT_SIZE) |
602 | text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2; |
603 | else |
604 | icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2; |
605 | |
606 | /* draw "Terrain:" string */ |
607 | cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y); |
608 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
609 | cairo_show_text (event->data.draw.cr, _(terrain)); |
610 | cairo_stroke (event->data.draw.cr); |
611 | x += extents.width + 2; |
612 | |
613 | /* draw terrain stars */ |
614 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y); |
615 | |
616 | x += gdk_pixbuf_get_width(icon) + LINE_SKIP - 2; |
617 | } |
618 | |
619 | if(cache->difficulty) { |
620 | int text_y = 0, icon_y = 0; |
621 | |
622 | const char *difficulty = "Difficulty:"; |
623 | icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2)); |
624 | cairo_text_extents (event->data.draw.cr, _(difficulty), &extents); |
625 | |
626 | if(gdk_pixbuf_get_height(icon) > FONT_SIZE) |
627 | text_y = (gdk_pixbuf_get_height(icon) - FONT_SIZE)/2; |
628 | else |
629 | icon_y = (FONT_SIZE - gdk_pixbuf_get_height(icon))/2; |
630 | |
631 | /* draw "Difficulty:" string */ |
632 | cairo_move_to (event->data.draw.cr, x, y - extents.y_bearing + text_y); |
633 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
634 | cairo_show_text (event->data.draw.cr, _(difficulty)); |
635 | cairo_stroke (event->data.draw.cr); |
636 | x += extents.width + 2; |
637 | |
638 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y + icon_y); |
639 | } |
640 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) { |
641 | printf("click %s event at %d %d\n", |
642 | event->data.click.down?"down":"up", |
643 | event->data.click.x, event->data.click.y); |
644 | |
645 | /* make the main screen jump to that cache */ |
646 | if(!event->data.click.down) { |
647 | if(context->appdata->cur_cache) { |
648 | printf("ERROR: no current cache should be visible!\n"); |
649 | } else { |
650 | gpx_t *is_in = NULL; |
651 | |
652 | if(!context->appdata->cur_gpx) { |
653 | printf("click while in \"all\" view\n"); |
654 | |
655 | /* we first need to figure out which gpx file this cache */ |
656 | /* is in so we can open it first */ |
657 | gpx_t *gpx = context->appdata->gpx; |
658 | while(gpx && !is_in) { |
659 | cache_t *cur = gpx->cache; |
660 | while(cur && !is_in) { |
661 | if(cur == cache) |
662 | is_in = gpx; |
663 | cur = cur->next; |
664 | } |
665 | gpx = gpx->next; |
666 | } |
667 | |
668 | if(is_in) |
669 | gpxlist_goto_cachelist(context->appdata, is_in); |
670 | |
671 | } else |
672 | /* the simple case: there already is an open gpx file and */ |
673 | /* we just jump into the "cache" view */ |
674 | is_in = context->appdata->cur_gpx; |
675 | |
676 | if(is_in) { |
677 | printf("selecting %s in %s\n", |
678 | cache->id, |
679 | context->appdata->cur_gpx->name); |
680 | |
681 | cachelist_goto_cache(context->appdata, cache); |
682 | |
683 | /* give focus to main screen (important for maemo) */ |
684 | printf("raising main window\n"); |
685 | gtk_window_present(GTK_WINDOW(context->appdata->window)); |
686 | } |
687 | } |
688 | } |
689 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) { |
690 | printf("removed\n"); |
691 | context->balloon = NULL; |
692 | } |
693 | } |
694 | |
695 | static gboolean |
696 | on_map_button_release_event(GtkWidget *widget, |
697 | GdkEventButton *event, map_context_t *context) { |
698 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
699 | |
700 | /* in "MAP_CACHE" state only one cache is visible */ |
701 | /* and the map is in navigation mode. the balloon is */ |
702 | /* pretty useless there */ |
703 | if(context->press_on && (context->state != MAP_CACHE)) { |
704 | |
705 | coord_t coo; |
706 | coo = osm_gps_map_get_co_ordinates(map, event->x, event->y); |
707 | |
708 | pos_t pos = |
709 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
710 | |
711 | cache_t *nearest = map_closest(context, &pos); |
712 | if(nearest && nearest == context->press_on) { |
713 | pos_t cpos = gpx_cache_pos(nearest); |
714 | |
715 | float dist = gpx_pos_get_distance(pos, cpos, FALSE); |
716 | if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) { |
717 | |
718 | context->balloon = nearest; |
719 | osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon, |
720 | balloon_cb, context); |
721 | } |
722 | } |
723 | context->press_on = NULL; |
724 | } else { |
725 | /* save new map position */ |
726 | gfloat lat, lon; |
727 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
728 | context->appdata->map.pos.lat = lat; |
729 | context->appdata->map.pos.lon = lon; |
730 | } |
731 | |
732 | return FALSE; |
733 | } |
734 | |
735 | static void on_window_destroy(GtkWidget *widget, map_context_t *context) { |
736 | appdata_t *appdata = context->appdata; |
737 | |
738 | /* save map parameters */ |
739 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
740 | gint zoom; |
741 | g_object_get(map, "zoom", &zoom, NULL); |
742 | context->appdata->map.zoom = zoom; |
743 | |
744 | gfloat lat, lon; |
745 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
746 | context->appdata->map.pos.lat = lat; |
747 | context->appdata->map.pos.lon = lon; |
748 | |
749 | gint source; |
750 | g_object_get(map, "map-source", &source, NULL); |
751 | context->appdata->map.source = source; |
752 | |
753 | #if MAEMO_VERSION_MAJOR == 5 |
754 | /* restore cur_view */ |
755 | context->appdata->cur_view = context->old_view; |
756 | #endif |
757 | |
758 | gtk_timeout_remove(context->handler_id); |
759 | gps_unregister_callback(appdata, context->cb_id); |
760 | |
761 | if(context->caches_displayed) { |
762 | g_free(context->caches_displayed); |
763 | context->caches_displayed = NULL; |
764 | } |
765 | |
766 | g_free(context); |
767 | appdata->map.context = NULL; |
768 | } |
769 | |
770 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
771 | /* get access to zoom buttons */ |
772 | static void |
773 | on_window_realize(GtkWidget *widget, gpointer data) { |
774 | if (widget->window) { |
775 | unsigned char value = 1; |
776 | Atom hildon_zoom_key_atom = |
777 | gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"), |
778 | integer_atom = gdk_x11_get_xatom_by_name("INTEGER"); |
779 | Display *dpy = |
780 | GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window)); |
781 | Window w = GDK_WINDOW_XID(widget->window); |
782 | |
783 | XChangeProperty(dpy, w, hildon_zoom_key_atom, |
784 | integer_atom, 8, PropModeReplace, &value, 1); |
785 | } |
786 | } |
787 | #endif |
788 | |
789 | /* on maemo a window is either on top or completely invisible. this */ |
790 | /* means that we only need to update the map window if its raised. */ |
791 | /* on ordinary desktops this is different and we always update */ |
792 | |
793 | static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event, |
794 | gpointer data) { |
795 | map_context_t *context = (map_context_t*)data; |
796 | |
797 | printf("map got focus\n"); |
798 | |
799 | #ifdef USE_MAEMO |
800 | /* re-enable refresh of map */ |
801 | if(!context->handler_id) |
802 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
803 | #endif |
804 | |
805 | map_setup(context); |
806 | return FALSE; |
807 | } |
808 | |
809 | #ifdef USE_MAEMO |
810 | static gboolean on_focus_out(GtkWidget *widget, GdkEventFocus *event, |
811 | gpointer data) { |
812 | map_context_t *context = (map_context_t*)data; |
813 | |
814 | printf("map lost focus\n"); |
815 | gtk_timeout_remove(context->handler_id); |
816 | context->handler_id = 0; |
817 | |
818 | return FALSE; |
819 | } |
820 | #endif |
821 | |
822 | void map_update(appdata_t *appdata) { |
823 | printf("map_update\n"); |
824 | #ifndef USE_MAEMO |
825 | if(appdata->map.context) |
826 | map_setup(appdata->map.context); |
827 | #endif |
828 | } |
829 | |
830 | /* callback called by the gps layer whenever gps state changes */ |
831 | static void |
832 | gps_callback(struct gps_state *state, gpointer data) { |
833 | printf("map: gps callback\n"); |
834 | } |
835 | |
836 | void map(appdata_t *appdata) { |
837 | map_context_t *context = NULL; |
838 | |
839 | /* if the map window already exists, just raise it */ |
840 | if(appdata->map.context) { |
841 | printf("using existing map!\n"); |
842 | gtk_window_present(GTK_WINDOW(appdata->map.context->window)); |
843 | map_setup(appdata->map.context); |
844 | return; |
845 | } |
846 | |
847 | context = appdata->map.context = g_new0(map_context_t, 1); |
848 | context->appdata = appdata; |
849 | context->map_complete = FALSE; |
850 | context->state = MAP_NONE; |
851 | |
852 | /* cleanup old (pre 0.8.7) path if it exists */ |
853 | char *old_path = g_strdup_printf("%s/map/", appdata->image_path); |
854 | if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) { |
855 | printf("old file path %s exists\n", old_path); |
856 | rmdir_recursive(old_path); |
857 | } |
858 | |
859 | /* It is recommanded that all applications share these same */ |
860 | /* map path, so data is only cached once. The path should be: */ |
861 | /* ~/.osm-gps-map on standard PC (users home) */ |
862 | /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */ |
863 | /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */ |
864 | #if !defined(USE_MAEMO) |
865 | char *p = getenv("HOME"); |
866 | if(!p) p = "/tmp"; |
867 | char *path = g_strdup_printf("%s/.osm-gps-map", p); |
868 | #else |
869 | #if MAEMO_VERSION_MAJOR == 5 |
870 | char *path = g_strdup("/home/user/.osm-gps-map"); |
871 | #else |
872 | char *path = g_strdup("/media/mmc2/osm-gps-map"); |
873 | #endif |
874 | #endif |
875 | |
876 | const char *proxy = get_proxy_uri(appdata); |
877 | |
878 | gint source = context->appdata->map.source; |
879 | if(!source) source = MAP_SOURCE; |
880 | |
881 | context->widget = g_object_new(OSM_TYPE_GPS_MAP, |
882 | "map-source", source, |
883 | "tile-cache", path, |
884 | "auto-center", FALSE, |
885 | "record-trip-history", FALSE, |
886 | "show-trip-history", FALSE, |
887 | proxy?"proxy-uri":NULL, proxy, |
888 | NULL); |
889 | |
890 | g_free(path); |
891 | |
892 | osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget)); |
893 | |
894 | #ifdef USE_MAEMO |
895 | /* we don't use a stackable window here on fremantle, since */ |
896 | /* this leaves the main window independent from the map and */ |
897 | /* the user can e.g. still navigate the main menu */ |
898 | context->window = hildon_window_new(); |
899 | |
900 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
901 | g_signal_connect(G_OBJECT(context->window), "realize", |
902 | G_CALLBACK(on_window_realize), NULL); |
903 | #endif // MAEMO_VERSION |
904 | #else |
905 | context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
906 | #endif |
907 | |
908 | #ifndef USE_MAEMO |
909 | gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480); |
910 | #endif |
911 | |
912 | g_signal_connect(G_OBJECT(context->widget), "focus-in-event", |
913 | G_CALLBACK(on_focus_in), context); |
914 | |
915 | #ifdef USE_MAEMO |
916 | g_signal_connect(G_OBJECT(context->widget), "focus-out-event", |
917 | G_CALLBACK(on_focus_out), context); |
918 | #endif |
919 | |
920 | g_signal_connect(G_OBJECT(context->widget), "configure-event", |
921 | G_CALLBACK(on_map_configure), context); |
922 | |
923 | g_signal_connect(G_OBJECT(context->widget), "button-press-event", |
924 | G_CALLBACK(on_map_button_press_event), context); |
925 | |
926 | g_signal_connect(G_OBJECT(context->widget), "button-release-event", |
927 | G_CALLBACK(on_map_button_release_event), context); |
928 | |
929 | /* install handler for timed updates of the gps button */ |
930 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
931 | context->cb_id = gps_register_callback(appdata, gps_callback, context); |
932 | |
933 | #if MAEMO_VERSION_MAJOR == 5 |
934 | /* prevent some of the main screen things */ |
935 | context->old_view = appdata->cur_view; |
936 | appdata->cur_view = NULL; |
937 | #endif |
938 | |
939 | g_signal_connect(G_OBJECT(context->window), "destroy", |
940 | G_CALLBACK(on_window_destroy), context); |
941 | |
942 | gtk_container_add(GTK_CONTAINER(context->window), context->widget); |
943 | gtk_widget_show_all(GTK_WIDGET(context->window)); |
944 | } |