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Semi-transparent map icons
1 | harbaum | 33 | /* |
2 | harbaum | 55 | * Copyright (C) 2008-2009 Till Harbaum <till@harbaum.org>. |
3 | harbaum | 33 | * |
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 | harbaum | 93 | /* |
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 | harbaum | 151 | /* |
26 | * TODO: | ||
27 | * - draw caches only once | ||
28 | * - prefer duplicates from selected files | ||
29 | * - make semi-transparent caches selectable | ||
30 | */ | ||
31 | |||
32 | harbaum | 33 | #include "gpxview.h" |
33 | harbaum | 61 | #include "converter.h" |
34 | harbaum | 34 | #include <math.h> // for isnan |
35 | harbaum | 33 | |
36 | #ifdef ENABLE_OSM_GPS_MAP | ||
37 | #include "osm-gps-map.h" | ||
38 | harbaum | 73 | #include "osm-gps-map-osd-classic.h" |
39 | harbaum | 33 | #endif |
40 | |||
41 | harbaum | 77 | #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5) |
42 | #include <gdk/gdkx.h> | ||
43 | #include <X11/Xatom.h> | ||
44 | #endif | ||
45 | |||
46 | harbaum | 98 | /* default values */ |
47 | harbaum | 84 | #define MAP_SOURCE OSM_GPS_MAP_SOURCE_OPENCYCLEMAP |
48 | harbaum | 48 | #define GPS_DEFAULT_ZOOM 13 |
49 | |||
50 | harbaum | 34 | #define PROXY_KEY "/system/http_proxy/" |
51 | |||
52 | static const char *get_proxy_uri(appdata_t *appdata) { | ||
53 | static char proxy_buffer[64] = ""; | ||
54 | harbaum | 33 | |
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 | harbaum | 34 | /* ------------- get proxy settings -------------------- */ |
63 | if(gconf_client_get_bool(appdata->gconf_client, | ||
64 | PROXY_KEY "use_http_proxy", NULL)) { | ||
65 | harbaum | 33 | |
66 | harbaum | 34 | /* 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 | harbaum | 33 | |
77 | harbaum | 34 | snprintf(proxy_buffer, sizeof(proxy_buffer), |
78 | "http://%s:%u", host, port); | ||
79 | harbaum | 33 | |
80 | harbaum | 34 | g_free(host); |
81 | } | ||
82 | harbaum | 35 | return proxy_buffer; |
83 | harbaum | 34 | } |
84 | |||
85 | harbaum | 35 | return NULL; |
86 | harbaum | 33 | } |
87 | |||
88 | harbaum | 66 | static void |
89 | harbaum | 73 | cb_map_gps(osd_button_t but, map_context_t *context) { |
90 | harbaum | 143 | |
91 | harbaum | 73 | if(but == OSD_GPS) { |
92 | pos_t *refpos = get_pos(context->appdata); | ||
93 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { | ||
94 | harbaum | 81 | 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 | harbaum | 77 | /* re-enable centering */ |
104 | g_object_set(context->widget, "auto-center", TRUE, NULL); | ||
105 | harbaum | 73 | } 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 | harbaum | 34 | } |
111 | harbaum | 33 | } |
112 | |||
113 | harbaum | 55 | 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 | harbaum | 33 | static gboolean map_gps_update(gpointer data) { |
118 | map_context_t *context = (map_context_t*)data; | ||
119 | harbaum | 148 | static gboolean goto_is_enabled = FALSE; |
120 | harbaum | 33 | |
121 | harbaum | 51 | /* get reference position ... */ |
122 | harbaum | 34 | pos_t *refpos = get_pos(context->appdata); |
123 | gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon); | ||
124 | harbaum | 33 | |
125 | harbaum | 51 | /* ... and enable "goto" button if it's valid */ |
126 | harbaum | 148 | 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 | harbaum | 34 | |
132 | harbaum | 51 | if(ok) { |
133 | harbaum | 53 | float heading = NAN; |
134 | harbaum | 54 | int radius = 0; |
135 | harbaum | 51 | |
136 | harbaum | 53 | 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 | harbaum | 55 | if(!isnan(eph)) |
142 | radius = dist2pixel(context, eph/1000, refpos->lat); | ||
143 | harbaum | 53 | } |
144 | |||
145 | harbaum | 148 | /* TODO: in order to save energy: only draw if state actually changed */ |
146 | |||
147 | harbaum | 53 | g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL); |
148 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget), | ||
149 | harbaum | 51 | refpos->lat, refpos->lon, heading); |
150 | } else | ||
151 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget)); | ||
152 | |||
153 | harbaum | 33 | return TRUE; |
154 | } | ||
155 | |||
156 | harbaum | 151 | 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 | harbaum | 143 | |
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 | harbaum | 151 | static void map_draw_gpx(appdata_t *appdata, |
177 | GtkWidget *map, gpx_t *gpx, | ||
178 | cache_t *nav, gboolean semi) { | ||
179 | harbaum | 143 | 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 | harbaum | 151 | /* 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 | harbaum | 143 | 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 | harbaum | 151 | /* clear all existing cache images */ |
207 | harbaum | 143 | osm_gps_map_clear_images (OSM_GPS_MAP(context->widget)); |
208 | |||
209 | harbaum | 151 | /* draw all geocaches and none is semi-transparent */ |
210 | harbaum | 143 | gpx_t *gpx = context->appdata->gpx; |
211 | while(gpx) { | ||
212 | harbaum | 151 | map_draw_gpx(context->appdata, context->widget, gpx, NULL, FALSE); |
213 | harbaum | 143 | 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 | harbaum | 151 | /* 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 | harbaum | 143 | 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 | harbaum | 151 | /* 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 | harbaum | 143 | 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 | harbaum | 35 | static gboolean on_map_configure(GtkWidget *widget, |
287 | GdkEventConfigure *event, | ||
288 | map_context_t *context) { | ||
289 | harbaum | 33 | |
290 | harbaum | 143 | /* for some reason there's a configure event with 1/1 */ |
291 | /* on diablo. We just ignore this! */ | ||
292 | harbaum | 85 | |
293 | harbaum | 143 | 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 | harbaum | 85 | /* 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 | harbaum | 143 | printf("use refpos\n"); |
313 | |||
314 | harbaum | 85 | /* use gps position if present */ |
315 | context->appdata->map.pos = *refpos; | ||
316 | context->appdata->map.zoom = GPS_DEFAULT_ZOOM; | ||
317 | } else { | ||
318 | harbaum | 143 | printf("use zero pos\n"); |
319 | |||
320 | harbaum | 85 | /* 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 | harbaum | 48 | |
327 | harbaum | 85 | /* jump to initial position */ |
328 | harbaum | 143 | 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 | harbaum | 85 | 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 | harbaum | 48 | } |
339 | harbaum | 35 | |
340 | return FALSE; | ||
341 | } | ||
342 | |||
343 | harbaum | 41 | static void |
344 | map_cachelist_nearest(cache_t *cache, pos_t *pos, | ||
345 | cache_t **result, float *distance) { | ||
346 | harbaum | 144 | |
347 | harbaum | 41 | while(cache) { |
348 | harbaum | 120 | pos_t cpos = gpx_cache_pos(cache); |
349 | |||
350 | harbaum | 41 | float dist = |
351 | harbaum | 120 | pow(cpos.lat - pos->lat, 2) + |
352 | pow(cpos.lon - pos->lon, 2); | ||
353 | harbaum | 41 | |
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 | harbaum | 120 | if(!context->appdata->cur_gpx && !context->appdata->cur_cache) { |
368 | harbaum | 41 | /* 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 | harbaum | 120 | } else if(context->appdata->cur_gpx) { |
375 | harbaum | 41 | map_cachelist_nearest(context->appdata->cur_gpx->cache, |
376 | pos, &result, &distance); | ||
377 | harbaum | 120 | } else |
378 | result = context->appdata->cur_gpx->cache; | ||
379 | harbaum | 41 | |
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 | harbaum | 61 | pos.lat = rad2deg(coo.rlat); |
387 | pos.lon = rad2deg(coo.rlon); | ||
388 | harbaum | 41 | return pos; |
389 | } | ||
390 | |||
391 | harbaum | 47 | #define CLICK_FUZZ (24) |
392 | harbaum | 42 | |
393 | harbaum | 41 | static gboolean |
394 | on_map_button_press_event(GtkWidget *widget, | ||
395 | GdkEventButton *event, map_context_t *context) { | ||
396 | harbaum | 143 | |
397 | harbaum | 41 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
398 | |||
399 | harbaum | 86 | /* check if we actually clicked parts of the OSD */ |
400 | harbaum | 144 | if(osm_gps_map_osd_check(map, event->x, event->y) != OSD_NONE) |
401 | harbaum | 86 | return FALSE; |
402 | |||
403 | harbaum | 44 | /* got a press event without release event? eat it! */ |
404 | if(context->press_on != NULL) { | ||
405 | printf("PRESS: already\n"); | ||
406 | harbaum | 86 | return FALSE; |
407 | harbaum | 44 | } |
408 | |||
409 | harbaum | 41 | pos_t pos = |
410 | harbaum | 42 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
411 | harbaum | 41 | |
412 | harbaum | 42 | cache_t *nearest = map_closest(context, &pos); |
413 | if(nearest) { | ||
414 | harbaum | 120 | 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 | harbaum | 42 | context->press_on = nearest; |
419 | } | ||
420 | harbaum | 44 | |
421 | harbaum | 41 | return FALSE; |
422 | } | ||
423 | |||
424 | harbaum | 58 | 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 | harbaum | 60 | |
444 | harbaum | 58 | cairo_paint(cr); |
445 | } | ||
446 | |||
447 | harbaum | 65 | #ifndef BIG_BALLOONS |
448 | harbaum | 60 | #define LINE_SKIP 7 |
449 | harbaum | 65 | #else |
450 | #define LINE_SKIP 12 | ||
451 | #endif | ||
452 | harbaum | 59 | |
453 | harbaum | 58 | static void |
454 | harbaum | 136 | balloon_cb(osm_gps_map_balloon_event_t *event, gpointer data) { |
455 | harbaum | 144 | printf("balloon event: "); |
456 | harbaum | 143 | |
457 | harbaum | 136 | map_context_t *context = (map_context_t*)data; |
458 | cache_t *cache = context->balloon; | ||
459 | harbaum | 58 | |
460 | harbaum | 136 | if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW) { |
461 | printf("draw\n"); | ||
462 | |||
463 | harbaum | 58 | #if 0 |
464 | harbaum | 136 | /* 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 | harbaum | 58 | #endif |
473 | harbaum | 136 | |
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 | harbaum | 65 | #ifndef BIG_BALLOONS |
495 | harbaum | 136 | cairo_set_font_size (event->data.draw.cr, 20.0); |
496 | harbaum | 65 | #else |
497 | harbaum | 136 | cairo_set_font_size (event->data.draw.cr, 36.0); |
498 | harbaum | 65 | #endif |
499 | harbaum | 136 | |
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 | harbaum | 65 | #ifndef BIG_BALLOONS |
521 | harbaum | 136 | cairo_set_font_size (event->data.draw.cr, 14.0); |
522 | harbaum | 65 | #else |
523 | harbaum | 136 | cairo_set_font_size (event->data.draw.cr, 22.0); |
524 | harbaum | 65 | #endif |
525 | harbaum | 136 | |
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 | harbaum | 60 | y -= (gdk_pixbuf_get_height(icon) + extents.height)/2; |
560 | harbaum | 136 | } |
561 | harbaum | 60 | |
562 | harbaum | 136 | 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 | harbaum | 60 | (gdk_pixbuf_get_height(icon) + extents.height)/2); |
577 | harbaum | 136 | } |
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 | harbaum | 142 | /* 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 | harbaum | 136 | } else if(event->type == OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED) { |
628 | printf("removed\n"); | ||
629 | context->balloon = NULL; | ||
630 | harbaum | 60 | } |
631 | harbaum | 58 | } |
632 | |||
633 | harbaum | 41 | static gboolean |
634 | on_map_button_release_event(GtkWidget *widget, | ||
635 | GdkEventButton *event, map_context_t *context) { | ||
636 | harbaum | 48 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
637 | |||
638 | harbaum | 133 | /* 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 | harbaum | 57 | coord_t coo; |
644 | coo = osm_gps_map_get_co_ordinates(map, event->x, event->y); | ||
645 | |||
646 | harbaum | 42 | pos_t pos = |
647 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); | ||
648 | harbaum | 41 | |
649 | harbaum | 42 | cache_t *nearest = map_closest(context, &pos); |
650 | if(nearest && nearest == context->press_on) { | ||
651 | harbaum | 120 | 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 | harbaum | 57 | |
656 | harbaum | 136 | context->balloon = nearest; |
657 | harbaum | 120 | osm_gps_map_osd_draw_balloon(map, cpos.lat, cpos.lon, |
658 | harbaum | 136 | balloon_cb, context); |
659 | harbaum | 57 | } |
660 | harbaum | 42 | } |
661 | harbaum | 44 | context->press_on = NULL; |
662 | harbaum | 48 | } 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 | harbaum | 41 | } |
669 | |||
670 | return FALSE; | ||
671 | } | ||
672 | |||
673 | harbaum | 56 | static void on_window_destroy(GtkWidget *widget, map_context_t *context) { |
674 | appdata_t *appdata = context->appdata; | ||
675 | |||
676 | harbaum | 48 | /* 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 | harbaum | 44 | |
682 | harbaum | 48 | 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 | harbaum | 89 | gint source; |
688 | g_object_get(map, "map-source", &source, NULL); | ||
689 | context->appdata->map.source = source; | ||
690 | |||
691 | harbaum | 40 | #if MAEMO_VERSION_MAJOR == 5 |
692 | /* restore cur_view */ | ||
693 | context->appdata->cur_view = context->old_view; | ||
694 | harbaum | 56 | #endif |
695 | harbaum | 40 | |
696 | gtk_timeout_remove(context->handler_id); | ||
697 | harbaum | 149 | gps_unregister_callback(appdata, context->cb_id); |
698 | harbaum | 56 | |
699 | harbaum | 40 | g_free(context); |
700 | harbaum | 56 | appdata->map.context = NULL; |
701 | harbaum | 40 | } |
702 | |||
703 | harbaum | 77 | #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 | harbaum | 143 | /* 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 | harbaum | 125 | |
726 | harbaum | 129 | static gboolean on_focus_in(GtkWidget *widget, GdkEventFocus *event, |
727 | gpointer data) { | ||
728 | harbaum | 133 | printf("map got focus\n"); |
729 | harbaum | 130 | map_setup((map_context_t*)data); |
730 | harbaum | 129 | return FALSE; |
731 | } | ||
732 | |||
733 | void map_update(appdata_t *appdata) { | ||
734 | harbaum | 143 | printf("map_update\n"); |
735 | harbaum | 130 | #ifndef USE_MAEMO |
736 | if(appdata->map.context) | ||
737 | map_setup(appdata->map.context); | ||
738 | #endif | ||
739 | harbaum | 129 | } |
740 | |||
741 | harbaum | 149 | /* 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 | harbaum | 33 | void map(appdata_t *appdata) { |
748 | harbaum | 56 | map_context_t *context = NULL; |
749 | |||
750 | /* if the map window already exists, just raise it */ | ||
751 | if(appdata->map.context) { | ||
752 | harbaum | 125 | printf("using existing map!\n"); |
753 | harbaum | 56 | gtk_window_present(GTK_WINDOW(appdata->map.context->window)); |
754 | harbaum | 125 | map_setup(appdata->map.context); |
755 | harbaum | 56 | return; |
756 | } | ||
757 | |||
758 | context = appdata->map.context = g_new0(map_context_t, 1); | ||
759 | harbaum | 40 | context->appdata = appdata; |
760 | harbaum | 85 | context->map_complete = FALSE; |
761 | harbaum | 130 | context->state = MAP_NONE; |
762 | harbaum | 33 | |
763 | harbaum | 77 | /* 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 | harbaum | 41 | const char *proxy = get_proxy_uri(appdata); |
788 | |||
789 | harbaum | 89 | gint source = context->appdata->map.source; |
790 | if(!source) source = MAP_SOURCE; | ||
791 | |||
792 | harbaum | 41 | context->widget = g_object_new(OSM_TYPE_GPS_MAP, |
793 | harbaum | 89 | "map-source", source, |
794 | harbaum | 55 | "tile-cache", path, |
795 | "auto-center", FALSE, | ||
796 | "record-trip-history", FALSE, | ||
797 | "show-trip-history", FALSE, | ||
798 | proxy?"proxy-uri":NULL, proxy, | ||
799 | harbaum | 41 | NULL); |
800 | |||
801 | g_free(path); | ||
802 | |||
803 | harbaum | 73 | osm_gps_map_osd_classic_init(OSM_GPS_MAP(context->widget)); |
804 | harbaum | 125 | |
805 | harbaum | 41 | #ifdef USE_MAEMO |
806 | harbaum | 125 | /* 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 | harbaum | 41 | |
811 | harbaum | 125 | #if (MAEMO_VERSION_MAJOR == 5) && !defined(__i386__) |
812 | harbaum | 77 | g_signal_connect(G_OBJECT(context->window), "realize", |
813 | G_CALLBACK(on_window_realize), NULL); | ||
814 | #endif // MAEMO_VERSION | ||
815 | harbaum | 40 | #else |
816 | harbaum | 56 | context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
817 | #endif | ||
818 | harbaum | 33 | |
819 | #ifndef USE_MAEMO | ||
820 | harbaum | 56 | gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480); |
821 | harbaum | 33 | #endif |
822 | |||
823 | harbaum | 129 | g_signal_connect(G_OBJECT(context->widget), "focus-in-event", |
824 | G_CALLBACK(on_focus_in), context); | ||
825 | |||
826 | harbaum | 41 | g_signal_connect(G_OBJECT(context->widget), "configure-event", |
827 | G_CALLBACK(on_map_configure), context); | ||
828 | harbaum | 33 | |
829 | harbaum | 41 | g_signal_connect(G_OBJECT(context->widget), "button-press-event", |
830 | G_CALLBACK(on_map_button_press_event), context); | ||
831 | harbaum | 33 | |
832 | harbaum | 40 | g_signal_connect(G_OBJECT(context->widget), "button-release-event", |
833 | G_CALLBACK(on_map_button_release_event), context); | ||
834 | harbaum | 33 | |
835 | /* install handler for timed updates of the gps button */ | ||
836 | harbaum | 40 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
837 | harbaum | 149 | context->cb_id = gps_register_callback(appdata, gps_callback, context); |
838 | harbaum | 33 | |
839 | harbaum | 40 | #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 | harbaum | 56 | #endif |
844 | harbaum | 40 | |
845 | harbaum | 56 | g_signal_connect(G_OBJECT(context->window), "destroy", |
846 | harbaum | 40 | G_CALLBACK(on_window_destroy), context); |
847 | |||
848 | harbaum | 63 | gtk_container_add(GTK_CONTAINER(context->window), context->widget); |
849 | harbaum | 56 | gtk_widget_show_all(GTK_WIDGET(context->window)); |
850 | harbaum | 33 | } |