Parent Directory | Revision Log
Updated osm-gps-map to snapshot
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 | #include "gpxview.h" |
21 | #include <math.h> // for isnan |
22 | |
23 | #ifdef ENABLE_OSM_GPS_MAP |
24 | #include "osm-gps-map.h" |
25 | #endif |
26 | |
27 | #define MAP_SOURCE OSM_GPS_MAP_SOURCE_OPENSTREETMAP |
28 | #define GPS_DEFAULT_ZOOM 13 |
29 | |
30 | /* equatorial radius in meters */ |
31 | #define EQ_RADIUS (6378137.0) |
32 | |
33 | #define RAD2DEG(a) (((a)*180.0)/M_PI) |
34 | #define DEG2RAD(a) (((a)*M_PI)/180.0) |
35 | |
36 | typedef struct { |
37 | appdata_t *appdata; |
38 | GtkWidget *widget; |
39 | GtkWidget *zoomin, *zoomout, *gps; |
40 | gint handler_id; |
41 | cache_t *press_on; |
42 | #if MAEMO_VERSION_MAJOR == 5 |
43 | GtkWidget *old_view; |
44 | #endif |
45 | } map_context_t; |
46 | |
47 | #define PROXY_KEY "/system/http_proxy/" |
48 | |
49 | static const char *get_proxy_uri(appdata_t *appdata) { |
50 | static char proxy_buffer[64] = ""; |
51 | |
52 | /* use environment settings if preset */ |
53 | const char *proxy = g_getenv("http_proxy"); |
54 | if(proxy) { |
55 | printf("http_proxy: %s\n", proxy); |
56 | return proxy; |
57 | } |
58 | |
59 | /* ------------- get proxy settings -------------------- */ |
60 | if(gconf_client_get_bool(appdata->gconf_client, |
61 | PROXY_KEY "use_http_proxy", NULL)) { |
62 | |
63 | /* we can savely ignore things like "ignore_hosts" since we */ |
64 | /* are pretty sure not inside the net of one of our map renderers */ |
65 | /* (unless the user works at google :-) */ |
66 | |
67 | /* get basic settings */ |
68 | char *host = |
69 | gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL); |
70 | if(host) { |
71 | int port = |
72 | gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL); |
73 | |
74 | snprintf(proxy_buffer, sizeof(proxy_buffer), |
75 | "http://%s:%u", host, port); |
76 | |
77 | g_free(host); |
78 | } |
79 | return proxy_buffer; |
80 | } |
81 | |
82 | return NULL; |
83 | } |
84 | |
85 | static void map_zoom(map_context_t *context, int step) { |
86 | gint zoom; |
87 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
88 | g_object_get(map, "zoom", &zoom, NULL); |
89 | zoom = osm_gps_map_set_zoom(map, zoom+step); |
90 | |
91 | /* enable/disable zoom buttons as required */ |
92 | gtk_widget_set_sensitive(context->zoomin, |
93 | zoom < osm_gps_map_source_get_max_zoom(MAP_SOURCE)); |
94 | gtk_widget_set_sensitive(context->zoomout, |
95 | zoom > osm_gps_map_source_get_min_zoom(MAP_SOURCE)); |
96 | |
97 | /* save new zoom */ |
98 | context->appdata->map.zoom = zoom; |
99 | } |
100 | |
101 | static gboolean |
102 | cb_map_zoomin(GtkButton *button, map_context_t *context) { |
103 | map_zoom(context, +1); |
104 | return FALSE; |
105 | } |
106 | |
107 | static gboolean |
108 | cb_map_zoomout(GtkButton *button, map_context_t *context) { |
109 | map_zoom(context, -1); |
110 | return FALSE; |
111 | } |
112 | |
113 | static gboolean |
114 | cb_map_gps(GtkButton *button, map_context_t *context) { |
115 | pos_t *refpos = get_pos(context->appdata); |
116 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
117 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
118 | refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM); |
119 | } else { |
120 | /* no coordinates given: display the entire world */ |
121 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
122 | 0.0, 0.0, 1); |
123 | } |
124 | |
125 | return FALSE; |
126 | } |
127 | |
128 | static GtkWidget |
129 | *map_add_button(int icon, GCallback cb, gpointer data, |
130 | char *tooltip) { |
131 | GtkWidget *button = gtk_button_new(); |
132 | gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC, icon)); |
133 | g_signal_connect(button, "clicked", cb, data); |
134 | #ifndef USE_MAEMO |
135 | gtk_widget_set_tooltip_text(button, tooltip); |
136 | #endif |
137 | return button; |
138 | } |
139 | |
140 | static int dist2pixel(map_context_t *context, float km, float lat) { |
141 | return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget)); |
142 | } |
143 | |
144 | static gboolean map_gps_update(gpointer data) { |
145 | map_context_t *context = (map_context_t*)data; |
146 | |
147 | /* get reference position ... */ |
148 | pos_t *refpos = get_pos(context->appdata); |
149 | gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon); |
150 | |
151 | /* ... and enable "goto" button if it's valid */ |
152 | gtk_widget_set_sensitive(context->gps, ok); |
153 | |
154 | if(ok) { |
155 | float heading = NAN; |
156 | int radius = 0; |
157 | |
158 | if(context->appdata->use_gps) { |
159 | heading = gps_get_heading(context->appdata); |
160 | |
161 | /* get error */ |
162 | float eph = gps_get_eph(context->appdata); |
163 | if(!isnan(eph)) |
164 | radius = dist2pixel(context, eph/1000, refpos->lat); |
165 | } |
166 | |
167 | g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL); |
168 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget), |
169 | refpos->lat, refpos->lon, heading); |
170 | } else |
171 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget)); |
172 | |
173 | return TRUE; |
174 | } |
175 | |
176 | static gboolean on_map_configure(GtkWidget *widget, |
177 | GdkEventConfigure *event, |
178 | map_context_t *context) { |
179 | |
180 | /* set default values if they are invalid */ |
181 | if(!context->appdata->map.zoom || |
182 | isnan(context->appdata->map.pos.lat) || |
183 | isnan(context->appdata->map.pos.lon)) { |
184 | printf("no valid map position found\n"); |
185 | |
186 | pos_t *refpos = get_pos(context->appdata); |
187 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
188 | /* use gps position if present */ |
189 | context->appdata->map.pos = *refpos; |
190 | context->appdata->map.zoom = GPS_DEFAULT_ZOOM; |
191 | } else { |
192 | /* use world map otherwise */ |
193 | context->appdata->map.pos.lat = 0.0; |
194 | context->appdata->map.pos.lon = 0.0; |
195 | context->appdata->map.zoom = 1; |
196 | } |
197 | } |
198 | |
199 | /* jump to initial position */ |
200 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
201 | context->appdata->map.pos.lat, |
202 | context->appdata->map.pos.lon, |
203 | context->appdata->map.zoom); |
204 | |
205 | return FALSE; |
206 | } |
207 | |
208 | static void map_draw_cachelist(GtkWidget *map, cache_t *cache) { |
209 | while(cache) { |
210 | GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type); |
211 | |
212 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
213 | cache->pos.lat, cache->pos.lon, icon); |
214 | |
215 | cache = cache->next; |
216 | } |
217 | } |
218 | |
219 | /* draw a nice popup */ |
220 | typedef struct { |
221 | appdata_t *appdata; |
222 | GtkWidget *window; |
223 | GMainLoop *loop; |
224 | cache_t *cache; |
225 | } popup_context_t; |
226 | |
227 | /* draw shape */ |
228 | #define ARROW_BORDER 20 |
229 | #define CORNER_RADIUS 10 |
230 | |
231 | #ifndef USE_MAEMO |
232 | #define POPUP_WIDTH 300 |
233 | #define POPUP_HEIGHT 100 |
234 | #else |
235 | #define POPUP_WIDTH 360 |
236 | #define POPUP_HEIGHT 120 |
237 | #endif |
238 | |
239 | static gboolean |
240 | pointer_in_window(GtkWidget *widget, gint x_root, gint y_root) { |
241 | if(GTK_WIDGET_MAPPED(gtk_widget_get_toplevel(widget))) { |
242 | gint window_x, window_y; |
243 | |
244 | gdk_window_get_position(gtk_widget_get_toplevel(widget)->window, |
245 | &window_x, &window_y); |
246 | |
247 | if(x_root >= window_x && x_root < window_x + widget->allocation.width && |
248 | y_root >= window_y && y_root < window_y + widget->allocation.height) |
249 | return TRUE; |
250 | } |
251 | |
252 | return FALSE; |
253 | } |
254 | |
255 | static gboolean |
256 | on_button_press_event(GtkWidget *widget, |
257 | GdkEventButton *event, popup_context_t *context) { |
258 | gboolean in = pointer_in_window(widget, event->x_root, event->y_root); |
259 | |
260 | printf("overlay button press (in = %d)\n", in); |
261 | return !in; |
262 | } |
263 | |
264 | static gboolean |
265 | on_button_release_event(GtkWidget *widget, |
266 | GdkEventButton *event, popup_context_t *context) { |
267 | gboolean in = pointer_in_window(widget, event->x_root, event->y_root); |
268 | |
269 | printf("overlay button release (in = %d)\n", in); |
270 | |
271 | if(!in) { |
272 | printf("destroying popup\n"); |
273 | gtk_widget_destroy(gtk_widget_get_toplevel(widget)); |
274 | } |
275 | |
276 | return !in; |
277 | } |
278 | |
279 | static void |
280 | shutdown_loop(popup_context_t *context) { |
281 | if(g_main_loop_is_running(context->loop)) |
282 | g_main_loop_quit(context->loop); |
283 | } |
284 | |
285 | static gint |
286 | run_delete_handler(GtkWindow *window, GdkEventAny *event, |
287 | popup_context_t *context) { |
288 | shutdown_loop(context); |
289 | return TRUE; /* Do not destroy */ |
290 | } |
291 | |
292 | static void |
293 | run_destroy_handler(GtkWindow *window, popup_context_t *context) { |
294 | /* shutdown_loop will be called by run_unmap_handler */ |
295 | printf("popup destroyed\n"); |
296 | } |
297 | |
298 | static void |
299 | run_unmap_handler(GtkWindow *window, popup_context_t *context) { |
300 | shutdown_loop(context); |
301 | } |
302 | |
303 | static void popup_window_shape(GtkWidget *window, int tip_x, int tip_y) { |
304 | GdkBitmap *mask = gdk_pixmap_new(NULL, POPUP_WIDTH, POPUP_HEIGHT, 1); |
305 | |
306 | GdkGC *gc = gdk_gc_new(mask); |
307 | GdkColormap *colormap; |
308 | GdkColor black; |
309 | GdkColor white; |
310 | |
311 | /* get black/white color values */ |
312 | colormap = gdk_colormap_get_system(); |
313 | gdk_color_black(colormap, &black); |
314 | gdk_color_white(colormap, &white); |
315 | |
316 | /* erase */ |
317 | gdk_gc_set_foreground(gc, &black); |
318 | gdk_gc_set_background(gc, &white); |
319 | |
320 | /* erase background */ |
321 | gdk_draw_rectangle(mask, gc, TRUE, 0, 0, POPUP_WIDTH, POPUP_HEIGHT); |
322 | |
323 | gdk_gc_set_foreground(gc, &white); |
324 | gdk_gc_set_background(gc, &black); |
325 | |
326 | /* the tip is always above or below the "bubble" but never at its side */ |
327 | guint tip_offset = (tip_y == 0)?ARROW_BORDER:0; |
328 | |
329 | gdk_draw_rectangle(mask, gc, TRUE, |
330 | 0, tip_offset + CORNER_RADIUS, |
331 | POPUP_WIDTH, |
332 | POPUP_HEIGHT - 2*CORNER_RADIUS - ARROW_BORDER); |
333 | |
334 | gdk_draw_rectangle(mask, gc, TRUE, |
335 | CORNER_RADIUS, tip_offset, |
336 | POPUP_WIDTH - 2*CORNER_RADIUS, |
337 | POPUP_HEIGHT - ARROW_BORDER); |
338 | |
339 | int off[][2] = { |
340 | { CORNER_RADIUS, tip_offset + CORNER_RADIUS }, |
341 | { POPUP_WIDTH - CORNER_RADIUS, tip_offset + CORNER_RADIUS }, |
342 | { POPUP_WIDTH - CORNER_RADIUS, |
343 | POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset}, |
344 | { CORNER_RADIUS, |
345 | POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset}}; |
346 | |
347 | int i; |
348 | for(i=0;i<4;i++) { |
349 | gdk_draw_arc(mask, gc, TRUE, |
350 | off[i][0]-CORNER_RADIUS, off[i][1]-CORNER_RADIUS, |
351 | 2*CORNER_RADIUS, 2*CORNER_RADIUS, |
352 | 0, 360*64); |
353 | } |
354 | |
355 | GdkPoint points[3] = { {POPUP_WIDTH*1/3, POPUP_HEIGHT/2}, |
356 | {POPUP_WIDTH*2/3, POPUP_HEIGHT/2}, |
357 | {tip_x,tip_y} }; |
358 | gdk_draw_polygon(mask, gc, TRUE, points, 3); |
359 | |
360 | |
361 | gdk_window_shape_combine_mask(window->window, mask, 0, 0); |
362 | } |
363 | |
364 | /* create a left aligned label (normal ones are centered) */ |
365 | static GtkWidget *gtk_label_left_new(char *str) { |
366 | GtkWidget *label = gtk_label_new(str); |
367 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f); |
368 | return label; |
369 | } |
370 | |
371 | /* the small labels are actually only on maemo small */ |
372 | #ifdef USE_MAEMO |
373 | #define MARKUP_SMALL "<span size='small'>%s</span>" |
374 | GtkWidget *gtk_label_small_left_new(char *str) { |
375 | GtkWidget *label = gtk_label_new(""); |
376 | char *markup = g_markup_printf_escaped(MARKUP_SMALL, str); |
377 | gtk_label_set_markup(GTK_LABEL(label), markup); |
378 | g_free(markup); |
379 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f); |
380 | return label; |
381 | } |
382 | #define gtk_label_big_left_new(a) gtk_label_left_new(a) |
383 | #else |
384 | #define gtk_label_small_left_new(a) gtk_label_left_new(a) |
385 | #define MARKUP_BIG "<span size='x-large'>%s</span>" |
386 | GtkWidget *gtk_label_big_left_new(char *str) { |
387 | GtkWidget *label = gtk_label_new(""); |
388 | char *markup = g_markup_printf_escaped(MARKUP_BIG, str); |
389 | gtk_label_set_markup(GTK_LABEL(label), markup); |
390 | g_free(markup); |
391 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f); |
392 | return label; |
393 | } |
394 | #endif |
395 | |
396 | static gboolean |
397 | on_cache_button_clicked(GtkButton *button, popup_context_t *context) { |
398 | printf("clicked %s\n", context->cache->name); |
399 | return FALSE; |
400 | } |
401 | |
402 | void cache_popup(map_context_t *mcontext, cache_t *cache) { |
403 | popup_context_t pcontext; |
404 | pcontext.appdata = mcontext->appdata; |
405 | pcontext.cache = cache; |
406 | |
407 | pcontext.window = gtk_window_new(GTK_WINDOW_POPUP); |
408 | gtk_widget_realize(pcontext.window); |
409 | gtk_window_set_default_size(GTK_WINDOW(pcontext.window), |
410 | POPUP_WIDTH, POPUP_HEIGHT); |
411 | gtk_window_resize(GTK_WINDOW(pcontext.window), POPUP_WIDTH, POPUP_HEIGHT); |
412 | // gtk_window_set_resizable(GTK_WINDOW(pcontext.window), FALSE); |
413 | gtk_window_set_transient_for(GTK_WINDOW(pcontext.window), |
414 | GTK_WINDOW(mcontext->appdata->window)); |
415 | gtk_window_set_keep_above(GTK_WINDOW(pcontext.window), TRUE); |
416 | gtk_window_set_destroy_with_parent(GTK_WINDOW(pcontext.window), TRUE); |
417 | gtk_window_set_gravity(GTK_WINDOW(pcontext.window), GDK_GRAVITY_STATIC); |
418 | gtk_window_set_modal(GTK_WINDOW(pcontext.window), TRUE); |
419 | |
420 | /* connect events */ |
421 | g_signal_connect(G_OBJECT(pcontext.window), "button-press-event", |
422 | G_CALLBACK(on_button_press_event), &pcontext); |
423 | g_signal_connect(G_OBJECT(pcontext.window), "button-release-event", |
424 | G_CALLBACK(on_button_release_event), &pcontext); |
425 | g_signal_connect(G_OBJECT(pcontext.window), "delete-event", |
426 | G_CALLBACK(run_delete_handler), &pcontext); |
427 | g_signal_connect(G_OBJECT(pcontext.window), "destroy", |
428 | G_CALLBACK(run_destroy_handler), &pcontext); |
429 | g_signal_connect(G_OBJECT(pcontext.window), "unmap", |
430 | G_CALLBACK(run_unmap_handler), &pcontext); |
431 | |
432 | gdk_pointer_grab(pcontext.window->window, TRUE, |
433 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK, |
434 | NULL, NULL, GDK_CURRENT_TIME); |
435 | gtk_grab_add(pcontext.window); |
436 | |
437 | /* check whether cache is in upper or lower half of window */ |
438 | gint x, y, sx, sy; |
439 | osm_gps_map_geographic_to_screen(OSM_GPS_MAP(mcontext->widget), |
440 | cache->pos.lat, cache->pos.lon, |
441 | &sx, &sy); |
442 | |
443 | gdk_window_get_origin(mcontext->widget->window, &x, &y); |
444 | |
445 | gint ax = 0, ay = 0; |
446 | if(sx > mcontext->widget->allocation.width/2) |
447 | ax = POPUP_WIDTH; |
448 | |
449 | if(sy > mcontext->widget->allocation.height/2) |
450 | ay = POPUP_HEIGHT; |
451 | |
452 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
453 | GdkColor color; |
454 | gdk_color_parse("darkgray", &color); |
455 | gtk_widget_modify_bg(GTK_WIDGET(pcontext.window), GTK_STATE_NORMAL, &color); |
456 | #endif |
457 | |
458 | gtk_window_move(GTK_WINDOW(pcontext.window), |
459 | x + mcontext->widget->allocation.x + sx - ax, |
460 | y + mcontext->widget->allocation.y + sy - ay); |
461 | |
462 | |
463 | GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0); |
464 | gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), |
465 | CORNER_RADIUS/2 + (ay?0:ARROW_BORDER), |
466 | CORNER_RADIUS/2 + (ay?ARROW_BORDER:0), |
467 | CORNER_RADIUS, CORNER_RADIUS); |
468 | |
469 | /* --- actual content ---- */ |
470 | GtkWidget *vbox = gtk_vbox_new(FALSE, 0); |
471 | GtkWidget *hbox = gtk_hbox_new(FALSE, 0); |
472 | |
473 | gtk_box_pack_start(GTK_BOX(hbox), |
474 | icon_get_widget(ICON_CACHE_TYPE, cache->type), |
475 | FALSE, FALSE, 5); |
476 | |
477 | if(cache->id) |
478 | gtk_box_pack_start_defaults(GTK_BOX(hbox), |
479 | gtk_label_big_left_new(cache->id)); |
480 | |
481 | GtkWidget *button = gtk_button_new(); |
482 | gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC, 12)); |
483 | g_signal_connect(button, "clicked", |
484 | G_CALLBACK(on_cache_button_clicked), &pcontext); |
485 | gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0); |
486 | |
487 | gtk_box_pack_start_defaults(GTK_BOX(vbox), hbox); |
488 | |
489 | if(cache->name) { |
490 | GtkWidget *label = gtk_label_small_left_new(cache->name); |
491 | gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END); |
492 | gtk_box_pack_start_defaults(GTK_BOX(vbox), label); |
493 | } |
494 | |
495 | hbox = gtk_hbox_new(FALSE, 0); |
496 | if(cache->terrain) { |
497 | GtkWidget *ihbox = gtk_hbox_new(FALSE, 0); |
498 | gtk_box_pack_start(GTK_BOX(ihbox), |
499 | gtk_label_small_left_new(_("Terrain:")), FALSE, FALSE, 0); |
500 | gtk_box_pack_start(GTK_BOX(ihbox), |
501 | icon_get_widget(ICON_STARS, (int)(cache->terrain*2-2)), |
502 | FALSE, FALSE, 5); |
503 | gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox); |
504 | } |
505 | |
506 | if(cache->difficulty) { |
507 | GtkWidget *ihbox = gtk_hbox_new(FALSE, 0); |
508 | gtk_box_pack_start(GTK_BOX(ihbox), |
509 | gtk_label_small_left_new(_("Difficulty:")), FALSE, FALSE, 0); |
510 | gtk_box_pack_start(GTK_BOX(ihbox), |
511 | icon_get_widget(ICON_STARS, (int)(cache->difficulty*2-2)), |
512 | FALSE, FALSE, 5); |
513 | gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox); |
514 | } |
515 | |
516 | gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0); |
517 | |
518 | gtk_container_add(GTK_CONTAINER(alignment), vbox); |
519 | /* ----------------------- */ |
520 | |
521 | |
522 | gtk_container_add(GTK_CONTAINER(pcontext.window), alignment); |
523 | |
524 | /* give window its shape */ |
525 | popup_window_shape(pcontext.window, ax, ay); |
526 | |
527 | gtk_widget_show_all(pcontext.window); |
528 | |
529 | /* handle this popup until it's gone */ |
530 | |
531 | pcontext.loop = g_main_loop_new(NULL, FALSE); |
532 | |
533 | GDK_THREADS_LEAVE(); |
534 | g_main_loop_run(pcontext.loop); |
535 | GDK_THREADS_ENTER(); |
536 | |
537 | g_main_loop_unref(pcontext.loop); |
538 | |
539 | printf("cache popup removed\n"); |
540 | } |
541 | |
542 | static void |
543 | map_cachelist_nearest(cache_t *cache, pos_t *pos, |
544 | cache_t **result, float *distance) { |
545 | while(cache) { |
546 | float dist = |
547 | pow(cache->pos.lat - pos->lat, 2) + |
548 | pow(cache->pos.lon - pos->lon, 2); |
549 | |
550 | if(!(dist > *distance)) { |
551 | *result = cache; |
552 | *distance = dist; |
553 | } |
554 | |
555 | cache = cache->next; |
556 | } |
557 | } |
558 | |
559 | static cache_t *map_closest(map_context_t *context, pos_t *pos) { |
560 | cache_t *result = NULL; |
561 | float distance = NAN; |
562 | |
563 | #ifdef USE_MAEMO |
564 | if(!context->appdata->cur_gpx) { |
565 | #endif |
566 | /* search all geocaches */ |
567 | gpx_t *gpx = context->appdata->gpx; |
568 | while(gpx) { |
569 | map_cachelist_nearest(gpx->cache, pos, &result, &distance); |
570 | gpx = gpx->next; |
571 | } |
572 | #ifdef USE_MAEMO |
573 | } else { |
574 | map_cachelist_nearest(context->appdata->cur_gpx->cache, |
575 | pos, &result, &distance); |
576 | } |
577 | #endif |
578 | |
579 | return result; |
580 | } |
581 | |
582 | /* translate between osm-gps-map positions and gpxview ones */ |
583 | pos_t coord2pos(coord_t coo) { |
584 | pos_t pos; |
585 | pos.lat = RAD2DEG(coo.rlat); |
586 | pos.lon = RAD2DEG(coo.rlon); |
587 | return pos; |
588 | } |
589 | |
590 | #define CLICK_FUZZ (24) |
591 | |
592 | static gboolean |
593 | on_map_button_press_event(GtkWidget *widget, |
594 | GdkEventButton *event, map_context_t *context) { |
595 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
596 | |
597 | /* got a press event without release event? eat it! */ |
598 | if(context->press_on != NULL) { |
599 | printf("PRESS: already\n"); |
600 | return TRUE; |
601 | } |
602 | |
603 | pos_t pos = |
604 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
605 | |
606 | cache_t *nearest = map_closest(context, &pos); |
607 | if(nearest) { |
608 | float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE); |
609 | if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ) |
610 | context->press_on = nearest; |
611 | } |
612 | |
613 | return FALSE; |
614 | } |
615 | |
616 | static gboolean |
617 | on_map_button_release_event(GtkWidget *widget, |
618 | GdkEventButton *event, map_context_t *context) { |
619 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
620 | |
621 | if(context->press_on) { |
622 | pos_t pos = |
623 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
624 | |
625 | cache_t *nearest = map_closest(context, &pos); |
626 | if(nearest && nearest == context->press_on) { |
627 | float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE); |
628 | if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ) |
629 | cache_popup(context, nearest); |
630 | } |
631 | context->press_on = NULL; |
632 | } else { |
633 | /* save new map position */ |
634 | gfloat lat, lon; |
635 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
636 | context->appdata->map.pos.lat = lat; |
637 | context->appdata->map.pos.lon = lon; |
638 | } |
639 | |
640 | return FALSE; |
641 | } |
642 | |
643 | static void save_map_state(map_context_t *context) { |
644 | /* save map parameters */ |
645 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
646 | gint zoom; |
647 | g_object_get(map, "zoom", &zoom, NULL); |
648 | context->appdata->map.zoom = zoom; |
649 | |
650 | gfloat lat, lon; |
651 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
652 | context->appdata->map.pos.lat = lat; |
653 | context->appdata->map.pos.lon = lon; |
654 | } |
655 | |
656 | #if MAEMO_VERSION_MAJOR == 5 |
657 | static void on_window_destroy(GtkWidget *widget, map_context_t *context) { |
658 | printf("destroy map view\n"); |
659 | |
660 | save_map_state(context); |
661 | |
662 | /* restore cur_view */ |
663 | context->appdata->cur_view = context->old_view; |
664 | |
665 | gtk_timeout_remove(context->handler_id); |
666 | g_free(context); |
667 | } |
668 | #endif |
669 | |
670 | void map(appdata_t *appdata) { |
671 | map_context_t *context = g_new0(map_context_t, 1); |
672 | context->appdata = appdata; |
673 | |
674 | GtkWidget *hbox = gtk_hbox_new(FALSE, 0); |
675 | |
676 | char *path = g_strdup_printf("%s/map/", appdata->image_path); |
677 | const char *proxy = get_proxy_uri(appdata); |
678 | |
679 | context->widget = g_object_new(OSM_TYPE_GPS_MAP, |
680 | "map-source", MAP_SOURCE, |
681 | "tile-cache", path, |
682 | "auto-center", FALSE, |
683 | "record-trip-history", FALSE, |
684 | "show-trip-history", FALSE, |
685 | proxy?"proxy-uri":NULL, proxy, |
686 | NULL); |
687 | |
688 | g_free(path); |
689 | |
690 | char *name = NULL; |
691 | #ifdef USE_MAEMO |
692 | if(!appdata->cur_gpx) { |
693 | #endif |
694 | /* draw all geocaches */ |
695 | gpx_t *gpx = appdata->gpx; |
696 | while(gpx) { |
697 | map_draw_cachelist(context->widget, gpx->cache); |
698 | gpx = gpx->next; |
699 | } |
700 | name = g_strdup(_("all geocaches")); |
701 | #ifdef USE_MAEMO |
702 | } else { |
703 | map_draw_cachelist(context->widget, appdata->cur_gpx->cache); |
704 | name = g_strdup(appdata->cur_gpx->name); |
705 | } |
706 | #endif |
707 | |
708 | char *title = g_strdup_printf(_("Map - %s"), name); |
709 | g_free(name); |
710 | |
711 | #if MAEMO_VERSION_MAJOR == 5 |
712 | GtkWidget *window = hildon_stackable_window_new(); |
713 | gtk_window_set_title(GTK_WINDOW(window), title); |
714 | #else |
715 | GtkWidget *dialog = gtk_dialog_new_with_buttons(title, |
716 | GTK_WINDOW(appdata->window), |
717 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, |
718 | GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE, |
719 | NULL); |
720 | |
721 | #ifndef USE_MAEMO |
722 | gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480); |
723 | #else |
724 | gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480); |
725 | #endif |
726 | #endif |
727 | |
728 | g_free(title); |
729 | |
730 | g_signal_connect(G_OBJECT(context->widget), "configure-event", |
731 | G_CALLBACK(on_map_configure), context); |
732 | |
733 | g_signal_connect(G_OBJECT(context->widget), "button-press-event", |
734 | G_CALLBACK(on_map_button_press_event), context); |
735 | |
736 | g_signal_connect(G_OBJECT(context->widget), "button-release-event", |
737 | G_CALLBACK(on_map_button_release_event), context); |
738 | |
739 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->widget); |
740 | /* zoom button box */ |
741 | GtkWidget *vbox = gtk_vbox_new(FALSE,0); |
742 | |
743 | context->zoomin = |
744 | map_add_button(10, G_CALLBACK(cb_map_zoomin), |
745 | context, _("Zoom in")); |
746 | gtk_box_pack_start(GTK_BOX(vbox), context->zoomin, FALSE, FALSE, 0); |
747 | |
748 | context->zoomout = |
749 | map_add_button(11, G_CALLBACK(cb_map_zoomout), |
750 | context, _("Zoom out")); |
751 | gtk_box_pack_start(GTK_BOX(vbox), context->zoomout, FALSE, FALSE, 0); |
752 | |
753 | context->gps = |
754 | map_add_button(9, G_CALLBACK(cb_map_gps), |
755 | context, _("Jump to GPS position")); |
756 | gtk_widget_set_sensitive(context->gps, FALSE); |
757 | /* install handler for timed updates of the gps button */ |
758 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
759 | gtk_box_pack_start(GTK_BOX(vbox), context->gps, FALSE, FALSE, 0); |
760 | |
761 | gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0); |
762 | |
763 | #if MAEMO_VERSION_MAJOR == 5 |
764 | /* prevent some of the main screen things */ |
765 | context->old_view = appdata->cur_view; |
766 | appdata->cur_view = NULL; |
767 | |
768 | g_signal_connect(G_OBJECT(window), "destroy", |
769 | G_CALLBACK(on_window_destroy), context); |
770 | |
771 | gtk_container_add(GTK_CONTAINER(window), hbox); |
772 | gtk_widget_show_all(GTK_WIDGET(window)); |
773 | |
774 | #else |
775 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox); |
776 | gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE); |
777 | gtk_widget_show_all(dialog); |
778 | gtk_dialog_run(GTK_DIALOG(dialog)); |
779 | save_map_state(context); |
780 | gtk_timeout_remove(context->handler_id); |
781 | gtk_widget_destroy(dialog); |
782 | g_free(context); |
783 | #endif |
784 | } |