Parent Directory | Revision Log
Semi-transparent map icons
1 | /* |
2 | * Copyright (C) 2008-2009 Till Harbaum <till@harbaum.org>. |
3 | * |
4 | * This file is part of GPXView. |
5 | * |
6 | * GPXView is free software: you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation, either version 3 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * GPXView is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with GPXView. If not, see <http://www.gnu.org/licenses/>. |
18 | */ |
19 | |
20 | /* |
21 | * http://topo.geofabrik.de/relief/${z}/${x}/${y}.png 8-15 |
22 | * http://topo.geofabrik.de/trail/${z}/${x}/${y}.png 8-15 |
23 | */ |
24 | |
25 | /* |
26 | * TODO: |
27 | * - draw caches only once |
28 | * - prefer duplicates from selected files |
29 | * - make semi-transparent caches selectable |
30 | */ |
31 | |
32 | #include "gpxview.h" |
33 | #include "converter.h" |
34 | #include <math.h> // for isnan |
35 | |
36 | #ifdef ENABLE_OSM_GPS_MAP |
37 | #include "osm-gps-map.h" |
38 | #include "osm-gps-map-osd-classic.h" |
39 | #endif |
40 | |
41 | #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5) |
42 | #include <gdk/gdkx.h> |
43 | #include <X11/Xatom.h> |
44 | #endif |
45 | |
46 | /* default values */ |
47 | #define MAP_SOURCE OSM_GPS_MAP_SOURCE_OPENCYCLEMAP |
48 | #define GPS_DEFAULT_ZOOM 13 |
49 | |
50 | #define PROXY_KEY "/system/http_proxy/" |
51 | |
52 | static const char *get_proxy_uri(appdata_t *appdata) { |
53 | static char proxy_buffer[64] = ""; |
54 | |
55 | /* use environment settings if preset */ |
56 | const char *proxy = g_getenv("http_proxy"); |
57 | if(proxy) { |
58 | printf("http_proxy: %s\n", proxy); |
59 | return proxy; |
60 | } |
61 | |
62 | /* ------------- get proxy settings -------------------- */ |
63 | if(gconf_client_get_bool(appdata->gconf_client, |
64 | PROXY_KEY "use_http_proxy", NULL)) { |
65 | |
66 | /* we can savely ignore things like "ignore_hosts" since we */ |
67 | /* are pretty sure not inside the net of one of our map renderers */ |
68 | /* (unless the user works at google :-) */ |
69 | |
70 | /* get basic settings */ |
71 | char *host = |
72 | gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL); |
73 | if(host) { |
74 | int port = |
75 | gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL); |
76 | |
77 | snprintf(proxy_buffer, sizeof(proxy_buffer), |
78 | "http://%s:%u", host, port); |
79 | |
80 | g_free(host); |
81 | } |
82 | return proxy_buffer; |
83 | } |
84 | |
85 | return NULL; |
86 | } |
87 | |
88 | static void |
89 | cb_map_gps(osd_button_t but, map_context_t *context) { |
90 | |
91 | if(but == OSD_GPS) { |
92 | pos_t *refpos = get_pos(context->appdata); |
93 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
94 | gint zoom; |
95 | g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL); |
96 | if(zoom < 10) |
97 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
98 | refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM); |
99 | else |
100 | osm_gps_map_set_center(OSM_GPS_MAP(context->widget), |
101 | refpos->lat, refpos->lon); |
102 | |
103 | /* re-enable centering */ |
104 | g_object_set(context->widget, "auto-center", TRUE, NULL); |
105 | } else { |
106 | /* no coordinates given: display the entire world */ |
107 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
108 | 0.0, 0.0, 1); |
109 | } |
110 | } |
111 | } |
112 | |
113 | static int dist2pixel(map_context_t *context, float km, float lat) { |
114 | return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget)); |
115 | } |
116 | |
117 | static gboolean map_gps_update(gpointer data) { |
118 | map_context_t *context = (map_context_t*)data; |
119 | static gboolean goto_is_enabled = FALSE; |
120 | |
121 | /* get reference position ... */ |
122 | pos_t *refpos = get_pos(context->appdata); |
123 | gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon); |
124 | |
125 | /* ... and enable "goto" button if it's valid */ |
126 | if(ok != goto_is_enabled) { |
127 | osm_gps_map_osd_enable_gps (OSM_GPS_MAP(context->widget), |
128 | OSM_GPS_MAP_OSD_CALLBACK(ok?cb_map_gps:NULL), context); |
129 | goto_is_enabled = ok; |
130 | } |
131 | |
132 | if(ok) { |
133 | float heading = NAN; |
134 | int radius = 0; |
135 | |
136 | if(context->appdata->use_gps) { |
137 | heading = gps_get_heading(context->appdata); |
138 | |
139 | /* get error */ |
140 | float eph = gps_get_eph(context->appdata); |
141 | if(!isnan(eph)) |
142 | radius = dist2pixel(context, eph/1000, refpos->lat); |
143 | } |
144 | |
145 | /* TODO: in order to save energy: only draw if state actually changed */ |
146 | |
147 | g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL); |
148 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget), |
149 | refpos->lat, refpos->lon, heading); |
150 | } else |
151 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget)); |
152 | |
153 | return TRUE; |
154 | } |
155 | |
156 | static void map_draw_cache(GtkWidget *map, cache_t *cache, gboolean semi) { |
157 | GdkPixbuf *icon = icon_get(semi?ICON_CACHE_TYPE_SEMI:ICON_CACHE_TYPE, |
158 | cache->type); |
159 | |
160 | /* check if there's also an overwritten coordinate */ |
161 | if(cache->notes && cache->notes->override) { |
162 | GdkPixbuf *over = icon_get(ICON_MISC, 1); |
163 | |
164 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
165 | cache->notes->pos.lat, cache->notes->pos.lon, icon); |
166 | |
167 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
168 | cache->notes->pos.lat, cache->notes->pos.lon, over); |
169 | } else { |
170 | if(!isnan(cache->pos.lat) && !isnan(cache->pos.lon)) |
171 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
172 | cache->pos.lat, cache->pos.lon, icon); |
173 | } |
174 | } |
175 | |
176 | static void map_draw_gpx(appdata_t *appdata, |
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 | /* if nav is given draw all other caches semitransparent. */ |
187 | /* if nav is not given do what semi sais */ |
188 | map_draw_cache(map, cache, nav?(cache != nav):semi); |
189 | cache = cache->next; |
190 | } |
191 | } |
192 | |
193 | /* draw geocaches and set window title */ |
194 | static void map_setup(map_context_t *context) { |
195 | char *name = NULL; |
196 | |
197 | if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
198 | if(context->state != MAP_ALL) { |
199 | printf("map_setup(ALL)\n"); |
200 | |
201 | #ifdef OSD_NAV |
202 | /* no navigation in this mode */ |
203 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
204 | #endif |
205 | |
206 | /* clear all existing cache images */ |
207 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
208 | |
209 | /* draw all geocaches and none is semi-transparent */ |
210 | gpx_t *gpx = context->appdata->gpx; |
211 | while(gpx) { |
212 | map_draw_gpx(context->appdata, context->widget, gpx, NULL, FALSE); |
213 | gpx = gpx->next; |
214 | } |
215 | name = g_strdup(_("all")); |
216 | context->state = MAP_ALL; |
217 | } |
218 | } else if(!context->appdata->cur_cache) { |
219 | if(context->state != MAP_GPX) { |
220 | printf("map_setup(GPX)\n"); |
221 | |
222 | #ifdef OSD_NAV |
223 | /* no navigation in this mode */ |
224 | osm_gps_map_osd_clear_nav (OSM_GPS_MAP(context->widget)); |
225 | #endif |
226 | |
227 | /* clear all existing ccahe images */ |
228 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
229 | |
230 | /* draw all geocaches and all other gpx files are semi-transparent */ |
231 | gpx_t *gpx = context->appdata->gpx; |
232 | while(gpx) { |
233 | map_draw_gpx(context->appdata, context->widget, gpx, NULL, |
234 | gpx != context->appdata->cur_gpx); |
235 | gpx = gpx->next; |
236 | } |
237 | |
238 | name = g_strdup(context->appdata->cur_gpx->name); |
239 | context->state = MAP_GPX; |
240 | } |
241 | } else { |
242 | cache_t *cache = context->appdata->cur_cache; |
243 | |
244 | printf("map_setp(CACHE)\n"); |
245 | |
246 | /* no balloons in this mode */ |
247 | context->balloon = NULL; |
248 | osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(context->widget)); |
249 | |
250 | /* clear all existing ccahe images */ |
251 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
252 | |
253 | /* draw all geocaches and all but selected one are semi-transparent */ |
254 | gpx_t *gpx = context->appdata->gpx; |
255 | while(gpx) { |
256 | map_draw_gpx(context->appdata, context->widget, gpx, cache, FALSE); |
257 | gpx = gpx->next; |
258 | } |
259 | |
260 | name = g_strdup(cache->name); |
261 | context->state = MAP_CACHE; |
262 | |
263 | /* navigation in this mode! */ |
264 | pos_t cpos = gpx_cache_pos(cache); |
265 | |
266 | #ifdef OSD_NAV |
267 | osm_gps_map_osd_draw_nav (OSM_GPS_MAP(context->widget), |
268 | context->appdata->imperial, |
269 | cpos.lat, cpos.lon, cache->name); |
270 | #else |
271 | #warning OSD_NAV not defined! |
272 | #endif |
273 | } |
274 | |
275 | if(name) { |
276 | char *title = g_strdup_printf(_("Map - %s"), name); |
277 | g_free(name); |
278 | |
279 | gtk_window_set_title(GTK_WINDOW(context->window), title); |
280 | |
281 | g_free(title); |
282 | } else |
283 | printf("map_setup(keep)\n"); |
284 | } |
285 | |
286 | static gboolean on_map_configure(GtkWidget *widget, |
287 | GdkEventConfigure *event, |
288 | map_context_t *context) { |
289 | |
290 | /* for some reason there's a configure event with 1/1 */ |
291 | /* on diablo. We just ignore this! */ |
292 | |
293 | printf("on_map_configure %d %d\n", |
294 | widget->allocation.width, |
295 | widget->allocation.height); |
296 | |
297 | if(!context->map_complete && |
298 | (widget->allocation.width > 100) && |
299 | (widget->allocation.height > 100)) { |
300 | |
301 | /* setup cache state */ |
302 | map_setup(context); |
303 | |
304 | /* set default values if they are invalid */ |
305 | if(!context->appdata->map.zoom || |
306 | isnan(context->appdata->map.pos.lat) || |
307 | isnan(context->appdata->map.pos.lon)) { |
308 | printf("no valid map position found\n"); |
309 | |
310 | pos_t *refpos = get_pos(context->appdata); |
311 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
312 | printf("use refpos\n"); |
313 | |
314 | /* use gps position if present */ |
315 | context->appdata->map.pos = *refpos; |
316 | context->appdata->map.zoom = GPS_DEFAULT_ZOOM; |
317 | } else { |
318 | printf("use zero pos\n"); |
319 | |
320 | /* use world map otherwise */ |
321 | context->appdata->map.pos.lat = 0.0; |
322 | context->appdata->map.pos.lon = 0.0; |
323 | context->appdata->map.zoom = 1; |
324 | } |
325 | } |
326 | |
327 | /* jump to initial position */ |
328 | printf("osm_gps_map_set_mapcenter(%f,%f,%d)\n", |
329 | context->appdata->map.pos.lat, |
330 | context->appdata->map.pos.lon, |
331 | context->appdata->map.zoom); |
332 | |
333 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
334 | context->appdata->map.pos.lat, |
335 | context->appdata->map.pos.lon, |
336 | context->appdata->map.zoom); |
337 | context->map_complete = TRUE; |
338 | } |
339 | |
340 | return FALSE; |
341 | } |
342 | |
343 | static void |
344 | map_cachelist_nearest(cache_t *cache, pos_t *pos, |
345 | cache_t **result, float *distance) { |
346 | |
347 | while(cache) { |
348 | pos_t cpos = gpx_cache_pos(cache); |
349 | |
350 | float dist = |
351 | pow(cpos.lat - pos->lat, 2) + |
352 | pow(cpos.lon - pos->lon, 2); |
353 | |
354 | if(!(dist > *distance)) { |
355 | *result = cache; |
356 | *distance = dist; |
357 | } |
358 | |
359 | cache = cache->next; |
360 | } |
361 | } |
362 | |
363 | static cache_t *map_closest(map_context_t *context, pos_t *pos) { |
364 | cache_t *result = NULL; |
365 | float distance = NAN; |
366 | |
367 | if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
368 | /* search all geocaches */ |
369 | gpx_t *gpx = context->appdata->gpx; |
370 | while(gpx) { |
371 | map_cachelist_nearest(gpx->cache, pos, &result, &distance); |
372 | gpx = gpx->next; |
373 | } |
374 | } else if(context->appdata->cur_gpx) { |
375 | map_cachelist_nearest(context->appdata->cur_gpx->cache, |
376 | pos, &result, &distance); |
377 | } else |
378 | result = context->appdata->cur_gpx->cache; |
379 | |
380 | return result; |
381 | } |
382 | |
383 | /* translate between osm-gps-map positions and gpxview ones */ |
384 | pos_t coord2pos(coord_t coo) { |
385 | pos_t pos; |
386 | pos.lat = rad2deg(coo.rlat); |
387 | pos.lon = rad2deg(coo.rlon); |
388 | return pos; |
389 | } |
390 | |
391 | #define CLICK_FUZZ (24) |
392 | |
393 | static gboolean |
394 | on_map_button_press_event(GtkWidget *widget, |
395 | GdkEventButton *event, map_context_t *context) { |
396 | |
397 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
398 | |
399 | /* check if we actually clicked parts of the OSD */ |
400 | if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE) |
401 | return FALSE; |
402 | |
403 | /* got a press event without release event? eat it! */ |
404 | if(context->press_on != NULL) { |
405 | printf("PRESS: already\n"); |
406 | return FALSE; |
407 | } |
408 | |
409 | pos_t pos = |
410 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
411 | |
412 | cache_t *nearest = map_closest(context, &pos); |
413 | if(nearest) { |
414 | pos_t cpos = gpx_cache_pos(nearest); |
415 | |
416 | float dist = gpx_pos_get_distance(pos, cpos, FALSE); |
417 | if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) |
418 | context->press_on = nearest; |
419 | } |
420 | |
421 | return FALSE; |
422 | } |
423 | |
424 | static void |
425 | cairo_draw_pixbuf(cairo_t *cr, GdkPixbuf *buf, gint x, gint y) { |
426 | /* convert the pixbuf into something cairo can handle */ |
427 | |
428 | // Create a new ImageSurface |
429 | cairo_surface_t *image_surface = |
430 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
431 | gdk_pixbuf_get_width(buf), |
432 | gdk_pixbuf_get_height(buf)); |
433 | |
434 | // Create the new Context for the ImageSurface |
435 | cairo_t *context = cairo_create(image_surface); |
436 | |
437 | // Draw the image on the new Context |
438 | gdk_cairo_set_source_pixbuf(context, buf, 0.0, 0.0); |
439 | cairo_paint(context); |
440 | |
441 | // now draw this onto the original context |
442 | cairo_set_source_surface(cr, image_surface, x, y); |
443 | |
444 | cairo_paint(cr); |
445 | } |
446 | |
447 | #ifndef BIG_BALLOONS |
448 | #define LINE_SKIP 7 |
449 | #else |
450 | #define LINE_SKIP 12 |
451 | #endif |
452 | |
453 | static void |
454 | balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) { |
455 | printf("balloon event: "); |
456 | |
457 | map_context_t *context = (map_context_t*)data; |
458 | cache_t *cache = context->balloon; |
459 | |
460 | if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) { |
461 | printf("draw\n"); |
462 | |
463 | #if 0 |
464 | /* draw pink background to check clipping */ |
465 | cairo_rectangle (event->data.draw.cr, |
466 | event->data.draw.rect->x-20, event->data.draw.rect->y-20, |
467 | event->data.draw.rect->w+40, event->data.draw.rect->h+40); |
468 | cairo_set_source_rgba (event->data.draw.cr, 1, 0, 0, 0.3); |
469 | cairo_fill_preserve (event->data.draw.cr); |
470 | cairo_set_line_width (event->data.draw.cr, 0); |
471 | cairo_stroke (event->data.draw.cr); |
472 | #endif |
473 | |
474 | /* leave a little border top and left */ |
475 | gint x = event->data.draw.rect->x, y = event->data.draw.rect->y; |
476 | |
477 | /* draw the cache type icon ... */ |
478 | GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type); |
479 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y); |
480 | |
481 | if(cache->notes && cache->notes->override) { |
482 | GdkPixbuf *over = icon_get(ICON_MISC, 1); |
483 | cairo_draw_pixbuf(event->data.draw.cr, over, x, y); |
484 | } |
485 | |
486 | /* ... and right of it the waypoint id */ |
487 | cairo_text_extents_t extents; |
488 | |
489 | if(cache->id) { |
490 | cairo_select_font_face (event->data.draw.cr, "Sans", |
491 | CAIRO_FONT_SLANT_NORMAL, |
492 | CAIRO_FONT_WEIGHT_BOLD); |
493 | |
494 | #ifndef BIG_BALLOONS |
495 | cairo_set_font_size (event->data.draw.cr, 20.0); |
496 | #else |
497 | cairo_set_font_size (event->data.draw.cr, 36.0); |
498 | #endif |
499 | |
500 | cairo_text_extents (event->data.draw.cr, cache->id, &extents); |
501 | |
502 | /* display id right of icon vertically centered */ |
503 | x += gdk_pixbuf_get_width(icon) + 5; |
504 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
505 | cairo_move_to (event->data.draw.cr, x, y); |
506 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
507 | cairo_show_text (event->data.draw.cr, cache->id); |
508 | cairo_stroke (event->data.draw.cr); |
509 | |
510 | y += (gdk_pixbuf_get_height(icon) - extents.height)/2 + LINE_SKIP; |
511 | } else |
512 | y += gdk_pixbuf_get_height(icon); |
513 | |
514 | /* return to the left border and below icon/text */ |
515 | x = event->data.draw.rect->x; |
516 | |
517 | /* everything from here uses the same font */ |
518 | cairo_select_font_face (event->data.draw.cr, "Sans", CAIRO_FONT_SLANT_NORMAL, |
519 | CAIRO_FONT_WEIGHT_NORMAL); |
520 | #ifndef BIG_BALLOONS |
521 | cairo_set_font_size (event->data.draw.cr, 14.0); |
522 | #else |
523 | cairo_set_font_size (event->data.draw.cr, 22.0); |
524 | #endif |
525 | |
526 | if(cache->name) { |
527 | /* draw cache name */ |
528 | cairo_text_extents (event->data.draw.cr, cache->name, &extents); |
529 | y += extents.height; |
530 | cairo_move_to (event->data.draw.cr, x, y); |
531 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
532 | cairo_show_text (event->data.draw.cr, cache->name); |
533 | cairo_stroke (event->data.draw.cr); |
534 | |
535 | /* return to the left border and below text */ |
536 | y += LINE_SKIP; |
537 | x = event->data.draw.rect->x; |
538 | } |
539 | |
540 | if(cache->terrain) { |
541 | /* draw cache rating */ |
542 | const char *terrain = "Terrain:"; |
543 | icon = icon_get(ICON_STARS, (int)(cache->terrain*2-2)); |
544 | cairo_text_extents (event->data.draw.cr, _(terrain), &extents); |
545 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
546 | |
547 | /* draw "Terrain:" string */ |
548 | cairo_move_to (event->data.draw.cr, x, y); |
549 | cairo_set_source_rgba (event->data.draw.cr, 0, 0, 0, 1); |
550 | cairo_show_text (event->data.draw.cr, _(terrain)); |
551 | cairo_stroke (event->data.draw.cr); |
552 | x += extents.width + 2; |
553 | |
554 | /* draw terrain stars */ |
555 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y - |
556 | (gdk_pixbuf_get_height(icon) + extents.height)/2); |
557 | |
558 | x += gdk_pixbuf_get_width(icon) + LINE_SKIP; |
559 | y -= (gdk_pixbuf_get_height(icon) + extents.height)/2; |
560 | } |
561 | |
562 | if(cache->difficulty) { |
563 | const char *difficulty = "Difficulty:"; |
564 | cairo_text_extents (event->data.draw.cr, _(difficulty), &extents); |
565 | y += (gdk_pixbuf_get_height(icon) + extents.height)/2; |
566 | |
567 | /* draw "Difficulty:" string */ |
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, _(difficulty)); |
571 | cairo_stroke (event->data.draw.cr); |
572 | x += extents.width + 2; |
573 | |
574 | icon = icon_get(ICON_STARS, (int)(cache->difficulty*2-2)); |
575 | cairo_draw_pixbuf(event->data.draw.cr, icon, x, y - |
576 | (gdk_pixbuf_get_height(icon) + extents.height)/2); |
577 | } |
578 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK) { |
579 | printf("click %s event at %d %d\n", |
580 | event->data.click.down?"down":"up", |
581 | event->data.click.x, event->data.click.y); |
582 | |
583 | /* make the main screen jump to that cache */ |
584 | if(!event->data.click.down) { |
585 | if(context->appdata->cur_cache) { |
586 | printf("ERROR: no current cache should be visible!\n"); |
587 | } else { |
588 | gpx_t *is_in = NULL; |
589 | |
590 | if(!context->appdata->cur_gpx) { |
591 | printf("click while in \"all\" view\n"); |
592 | |
593 | /* we first need to figure out which gpx file this cache */ |
594 | /* is in so we can open it first */ |
595 | gpx_t *gpx = context->appdata->gpx; |
596 | while(gpx && !is_in) { |
597 | cache_t *cur = gpx->cache; |
598 | while(cur && !is_in) { |
599 | if(cur == cache) |
600 | is_in = gpx; |
601 | cur = cur->next; |
602 | } |
603 | gpx = gpx->next; |
604 | } |
605 | |
606 | if(is_in) |
607 | gpxlist_goto_cachelist(context->appdata, is_in); |
608 | |
609 | } else |
610 | /* the simple case: there already is an open gpx file and */ |
611 | /* we just jump into the "cache" view */ |
612 | is_in = context->appdata->cur_gpx; |
613 | |
614 | if(is_in) { |
615 | printf("selecting %s in %s\n", |
616 | cache->id, |
617 | context->appdata->cur_gpx->name); |
618 | |
619 | cachelist_goto_cache(context->appdata, cache); |
620 | |
621 | /* give focus to main screen (important for maemo) */ |
622 | printf("raising main window\n"); |
623 | gtk_window_present(GTK_WINDOW(context->appdata->window)); |
624 | } |
625 | } |
626 | } |
627 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) { |
628 | printf("removed\n"); |
629 | context->balloon = NULL; |
630 | } |
631 | } |
632 | |
633 | static gboolean |
634 | on_map_button_release_event(GtkWidget *widget, |
635 | GdkEventButton *event, map_context_t *context) { |
636 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
637 | |
638 | /* in "MAP_CACHE" state only one cache is visible */ |
639 | /* and the map is in navigation mode. the balloon is */ |
640 | /* pretty useless there */ |
641 | if(context->press_on && (context->state != MAP_CACHE)) { |
642 | |
643 | coord_t coo; |
644 | coo = osm_gps_map_get_co_ordinates(map, event->x, event->y); |
645 | |
646 | pos_t pos = |
647 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
648 | |
649 | cache_t *nearest = map_closest(context, &pos); |
650 | if(nearest && nearest == context->press_on) { |
651 | pos_t cpos = gpx_cache_pos(nearest); |
652 | |
653 | float dist = gpx_pos_get_distance(pos, cpos, FALSE); |
654 | if(dist2pixel(context, dist, cpos.lat) < CLICK_FUZZ) { |
655 | |
656 | context->balloon = nearest; |
657 | osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon, |
658 | balloon_cb, context); |
659 | } |
660 | } |
661 | context->press_on = NULL; |
662 | } else { |
663 | /* save new map position */ |
664 | gfloat lat, lon; |
665 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
666 | context->appdata->map.pos.lat = lat; |
667 | context->appdata->map.pos.lon = lon; |
668 | } |
669 | |
670 | return FALSE; |
671 | } |
672 | |
673 | static void on_window_destroy(GtkWidget *widget, map_context_t *context) { |
674 | appdata_t *appdata = context->appdata; |
675 | |
676 | /* save map parameters */ |
677 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
678 | gint zoom; |
679 | g_object_get(map, "zoom", &zoom, NULL); |
680 | context->appdata->map.zoom = zoom; |
681 | |
682 | gfloat lat, lon; |
683 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
684 | context->appdata->map.pos.lat = lat; |
685 | context->appdata->map.pos.lon = lon; |
686 | |
687 | gint source; |
688 | g_object_get(map, "map-source", &source, NULL); |
689 | context->appdata->map.source = source; |
690 | |
691 | #if MAEMO_VERSION_MAJOR == 5 |
692 | /* restore cur_view */ |
693 | context->appdata->cur_view = context->old_view; |
694 | #endif |
695 | |
696 | gtk_timeout_remove(context->handler_id); |
697 | gps_unregister_callback(appdata, context->cb_id); |
698 | |
699 | g_free(context); |
700 | appdata->map.context = NULL; |
701 | } |
702 | |
703 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
704 | /* get access to zoom buttons */ |
705 | static void |
706 | on_window_realize(GtkWidget *widget, gpointer data) { |
707 | if (widget->window) { |
708 | unsigned char value = 1; |
709 | Atom hildon_zoom_key_atom = |
710 | gdk_x11_get_xatom_by_name("_HILDON_ZOOM_KEY_ATOM"), |
711 | integer_atom = gdk_x11_get_xatom_by_name("INTEGER"); |
712 | Display *dpy = |
713 | GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(widget->window)); |
714 | Window w = GDK_WINDOW_XID(widget->window); |
715 | |
716 | XChangeProperty(dpy, w, hildon_zoom_key_atom, |
717 | integer_atom, 8, PropModeReplace, &value, 1); |
718 | } |
719 | } |
720 | #endif |
721 | |
722 | /* on maemo a window is either on top or completely invisible. this */ |
723 | /* means that we only need to update the map window if its raised. */ |
724 | /* on ordinary desktops this is different and we always update */ |
725 | |
726 | static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event, |
727 | gpointer data) { |
728 | printf("map got focus\n"); |
729 | map_setup((map_context_t*)data); |
730 | return FALSE; |
731 | } |
732 | |
733 | void map_update(appdata_t *appdata) { |
734 | printf("map_update\n"); |
735 | #ifndef USE_MAEMO |
736 | if(appdata->map.context) |
737 | map_setup(appdata->map.context); |
738 | #endif |
739 | } |
740 | |
741 | /* callback called by the gps layer whenever gps state changes */ |
742 | static void |
743 | gps_callback(struct gps_state *state, gpointer data) { |
744 | printf("map: gps callback\n"); |
745 | } |
746 | |
747 | void map(appdata_t *appdata) { |
748 | map_context_t *context = NULL; |
749 | |
750 | /* if the map window already exists, just raise it */ |
751 | if(appdata->map.context) { |
752 | printf("using existing map!\n"); |
753 | gtk_window_present(GTK_WINDOW(appdata->map.context->window)); |
754 | map_setup(appdata->map.context); |
755 | return; |
756 | } |
757 | |
758 | context = appdata->map.context = g_new0(map_context_t, 1); |
759 | context->appdata = appdata; |
760 | context->map_complete = FALSE; |
761 | context->state = MAP_NONE; |
762 | |
763 | /* cleanup old (pre 0.8.7) path if it exists */ |
764 | char *old_path = g_strdup_printf("%s/map/", appdata->image_path); |
765 | if(g_file_test(old_path, G_FILE_TEST_IS_DIR)) { |
766 | printf("old file path %s exists\n", old_path); |
767 | rmdir_recursive(old_path); |
768 | } |
769 | |
770 | /* It is recommanded that all applications share these same */ |
771 | /* map path, so data is only cached once. The path should be: */ |
772 | /* ~/.osm-gps-map on standard PC (users home) */ |
773 | /* /home/user/.osm-gps-map on Maemo5 (ext3 on internal card) */ |
774 | /* /media/mmc2/osm-gps-map on Maemo4 (vfat on internal card) */ |
775 | #if !defined(USE_MAEMO) |
776 | char *p = getenv("HOME"); |
777 | if(!p) p = "/tmp"; |
778 | char *path = g_strdup_printf("%s/.osm-gps-map", p); |
779 | #else |
780 | #if MAEMO_VERSION_MAJOR == 5 |
781 | char *path = g_strdup("/home/user/.osm-gps-map"); |
782 | #else |
783 | char *path = g_strdup("/media/mmc2/osm-gps-map"); |
784 | #endif |
785 | #endif |
786 | |
787 | const char *proxy = get_proxy_uri(appdata); |
788 | |
789 | gint source = context->appdata->map.source; |
790 | if(!source) source = MAP_SOURCE; |
791 | |
792 | context->widget = g_object_new(OSM_TYPE_GPS_MAP, |
793 | "map-source", source, |
794 | "tile-cache", path, |
795 | "auto-center", FALSE, |
796 | "record-trip-history", FALSE, |
797 | "show-trip-history", FALSE, |
798 | proxy?"proxy-uri":NULL, proxy, |
799 | NULL); |
800 | |
801 | g_free(path); |
802 | |
803 | osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget)); |
804 | |
805 | #ifdef USE_MAEMO |
806 | /* we don't use a stackable window here on fremantle, since */ |
807 | /* this leaves the main window independent from the map and */ |
808 | /* the user can e.g. still navigate the main menu */ |
809 | context->window = hildon_window_new(); |
810 | |
811 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
812 | g_signal_connect(G_OBJECT(context->window), "realize", |
813 | G_CALLBACK(on_window_realize), NULL); |
814 | #endif // MAEMO_VERSION |
815 | #else |
816 | context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
817 | #endif |
818 | |
819 | #ifndef USE_MAEMO |
820 | gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480); |
821 | #endif |
822 | |
823 | g_signal_connect(G_OBJECT(context->widget), "focus-in-event", |
824 | G_CALLBACK(on_focus_in), context); |
825 | |
826 | g_signal_connect(G_OBJECT(context->widget), "configure-event", |
827 | G_CALLBACK(on_map_configure), context); |
828 | |
829 | g_signal_connect(G_OBJECT(context->widget), "button-press-event", |
830 | G_CALLBACK(on_map_button_press_event), context); |
831 | |
832 | g_signal_connect(G_OBJECT(context->widget), "button-release-event", |
833 | G_CALLBACK(on_map_button_release_event), context); |
834 | |
835 | /* install handler for timed updates of the gps button */ |
836 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
837 | context->cb_id = gps_register_callback(appdata, gps_callback, context); |
838 | |
839 | #if MAEMO_VERSION_MAJOR == 5 |
840 | /* prevent some of the main screen things */ |
841 | context->old_view = appdata->cur_view; |
842 | appdata->cur_view = NULL; |
843 | #endif |
844 | |
845 | g_signal_connect(G_OBJECT(context->window), "destroy", |
846 | G_CALLBACK(on_window_destroy), context); |
847 | |
848 | gtk_container_add(GTK_CONTAINER(context->window), context->widget); |
849 | gtk_widget_show_all(GTK_WIDGET(context->window)); |
850 | } |