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GPS position on map
1 | harbaum | 33 | /* |
2 | * Copyright (C) 2008 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 | harbaum | 34 | #include <math.h> // for isnan |
22 | harbaum | 33 | |
23 | #ifdef ENABLE_OSM_GPS_MAP | ||
24 | #include "osm-gps-map.h" | ||
25 | #endif | ||
26 | |||
27 | harbaum | 48 | #define GPS_DEFAULT_ZOOM 13 |
28 | |||
29 | harbaum | 42 | /* equatorial radius in meters */ |
30 | #define EQ_RADIUS (6378137.0) | ||
31 | |||
32 | #define RAD2DEG(a) (((a)*180.0)/M_PI) | ||
33 | #define DEG2RAD(a) (((a)*M_PI)/180.0) | ||
34 | |||
35 | harbaum | 33 | typedef struct { |
36 | harbaum | 34 | appdata_t *appdata; |
37 | harbaum | 33 | GtkWidget *widget; |
38 | GtkWidget *zoomin, *zoomout, *gps; | ||
39 | gint handler_id; | ||
40 | harbaum | 42 | cache_t *press_on; |
41 | harbaum | 40 | #if MAEMO_VERSION_MAJOR == 5 |
42 | GtkWidget *old_view; | ||
43 | #endif | ||
44 | harbaum | 33 | } map_context_t; |
45 | |||
46 | harbaum | 34 | #define PROXY_KEY "/system/http_proxy/" |
47 | |||
48 | static const char *get_proxy_uri(appdata_t *appdata) { | ||
49 | static char proxy_buffer[64] = ""; | ||
50 | harbaum | 33 | |
51 | /* use environment settings if preset */ | ||
52 | const char *proxy = g_getenv("http_proxy"); | ||
53 | if(proxy) { | ||
54 | printf("http_proxy: %s\n", proxy); | ||
55 | return proxy; | ||
56 | } | ||
57 | |||
58 | harbaum | 34 | /* ------------- get proxy settings -------------------- */ |
59 | if(gconf_client_get_bool(appdata->gconf_client, | ||
60 | PROXY_KEY "use_http_proxy", NULL)) { | ||
61 | harbaum | 33 | |
62 | harbaum | 34 | /* we can savely ignore things like "ignore_hosts" since we */ |
63 | /* are pretty sure not inside the net of one of our map renderers */ | ||
64 | /* (unless the user works at google :-) */ | ||
65 | |||
66 | /* get basic settings */ | ||
67 | char *host = | ||
68 | gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL); | ||
69 | if(host) { | ||
70 | int port = | ||
71 | gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL); | ||
72 | harbaum | 33 | |
73 | harbaum | 34 | snprintf(proxy_buffer, sizeof(proxy_buffer), |
74 | "http://%s:%u", host, port); | ||
75 | harbaum | 33 | |
76 | harbaum | 34 | g_free(host); |
77 | } | ||
78 | harbaum | 35 | return proxy_buffer; |
79 | harbaum | 34 | } |
80 | |||
81 | harbaum | 35 | return NULL; |
82 | harbaum | 33 | } |
83 | |||
84 | static void map_zoom(map_context_t *context, int step) { | ||
85 | harbaum | 48 | gint zoom; |
86 | harbaum | 33 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
87 | g_object_get(map, "zoom", &zoom, NULL); | ||
88 | zoom = osm_gps_map_set_zoom(map, zoom+step); | ||
89 | |||
90 | /* enable/disable zoom buttons as required */ | ||
91 | gtk_widget_set_sensitive(context->zoomin, zoom<17); | ||
92 | gtk_widget_set_sensitive(context->zoomout, zoom>1); | ||
93 | harbaum | 48 | |
94 | /* save new zoom */ | ||
95 | context->appdata->map.zoom = zoom; | ||
96 | harbaum | 33 | } |
97 | |||
98 | static gboolean | ||
99 | cb_map_zoomin(GtkButton *button, map_context_t *context) { | ||
100 | map_zoom(context, +1); | ||
101 | return FALSE; | ||
102 | } | ||
103 | |||
104 | static gboolean | ||
105 | cb_map_zoomout(GtkButton *button, map_context_t *context) { | ||
106 | map_zoom(context, -1); | ||
107 | return FALSE; | ||
108 | } | ||
109 | |||
110 | static gboolean | ||
111 | cb_map_gps(GtkButton *button, map_context_t *context) { | ||
112 | harbaum | 34 | pos_t *refpos = get_pos(context->appdata); |
113 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { | ||
114 | harbaum | 35 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
115 | harbaum | 48 | refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM); |
116 | harbaum | 35 | } else { |
117 | /* no coordinates given: display the entire world */ | ||
118 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), | ||
119 | 0.0, 0.0, 1); | ||
120 | harbaum | 34 | } |
121 | harbaum | 33 | |
122 | return FALSE; | ||
123 | } | ||
124 | |||
125 | static GtkWidget | ||
126 | harbaum | 51 | *map_add_button(int icon, GCallback cb, gpointer data, |
127 | harbaum | 33 | char *tooltip) { |
128 | GtkWidget *button = gtk_button_new(); | ||
129 | harbaum | 51 | gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC, icon)); |
130 | harbaum | 33 | g_signal_connect(button, "clicked", cb, data); |
131 | #ifndef USE_MAEMO | ||
132 | gtk_widget_set_tooltip_text(button, tooltip); | ||
133 | #endif | ||
134 | return button; | ||
135 | } | ||
136 | |||
137 | static gboolean map_gps_update(gpointer data) { | ||
138 | map_context_t *context = (map_context_t*)data; | ||
139 | |||
140 | harbaum | 51 | /* get reference position ... */ |
141 | harbaum | 34 | pos_t *refpos = get_pos(context->appdata); |
142 | gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon); | ||
143 | harbaum | 33 | |
144 | harbaum | 51 | /* ... and enable "goto" button if it's valid */ |
145 | harbaum | 34 | gtk_widget_set_sensitive(context->gps, ok); |
146 | |||
147 | harbaum | 51 | if(ok) { |
148 | float heading = context->appdata->use_gps? | ||
149 | gps_get_heading(context->appdata):NAN; | ||
150 | |||
151 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget), | ||
152 | refpos->lat, refpos->lon, heading); | ||
153 | } else | ||
154 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget)); | ||
155 | |||
156 | harbaum | 33 | return TRUE; |
157 | } | ||
158 | |||
159 | harbaum | 35 | static gboolean on_map_configure(GtkWidget *widget, |
160 | GdkEventConfigure *event, | ||
161 | map_context_t *context) { | ||
162 | harbaum | 33 | |
163 | harbaum | 48 | /* set default values if they are invalid */ |
164 | if(!context->appdata->map.zoom || | ||
165 | isnan(context->appdata->map.pos.lat) || | ||
166 | isnan(context->appdata->map.pos.lon)) { | ||
167 | printf("no valid map position found\n"); | ||
168 | |||
169 | pos_t *refpos = get_pos(context->appdata); | ||
170 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { | ||
171 | /* use gps position if present */ | ||
172 | context->appdata->map.pos = *refpos; | ||
173 | context->appdata->map.zoom = GPS_DEFAULT_ZOOM; | ||
174 | } else { | ||
175 | /* use world map otherwise */ | ||
176 | context->appdata->map.pos.lat = 0.0; | ||
177 | context->appdata->map.pos.lon = 0.0; | ||
178 | context->appdata->map.zoom = 1; | ||
179 | } | ||
180 | } | ||
181 | harbaum | 35 | |
182 | harbaum | 48 | /* jump to initial position */ |
183 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), | ||
184 | context->appdata->map.pos.lat, | ||
185 | context->appdata->map.pos.lon, | ||
186 | context->appdata->map.zoom); | ||
187 | |||
188 | harbaum | 35 | return FALSE; |
189 | } | ||
190 | |||
191 | harbaum | 38 | static void map_draw_cachelist(GtkWidget *map, cache_t *cache) { |
192 | while(cache) { | ||
193 | GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type); | ||
194 | |||
195 | osm_gps_map_add_image(OSM_GPS_MAP(map), | ||
196 | cache->pos.lat, cache->pos.lon, icon); | ||
197 | |||
198 | cache = cache->next; | ||
199 | } | ||
200 | } | ||
201 | |||
202 | harbaum | 41 | /* draw a nice popup */ |
203 | typedef struct { | ||
204 | appdata_t *appdata; | ||
205 | GtkWidget *window; | ||
206 | GMainLoop *loop; | ||
207 | } popup_context_t; | ||
208 | |||
209 | harbaum | 47 | /* draw shape */ |
210 | #define ARROW_BORDER 20 | ||
211 | #define CORNER_RADIUS 10 | ||
212 | harbaum | 41 | |
213 | harbaum | 47 | #ifndef USE_MAEMO |
214 | harbaum | 41 | #define POPUP_WIDTH 300 |
215 | #define POPUP_HEIGHT 100 | ||
216 | #else | ||
217 | harbaum | 47 | #define POPUP_WIDTH 350 |
218 | #define POPUP_HEIGHT 120 | ||
219 | harbaum | 41 | #endif |
220 | |||
221 | static gboolean | ||
222 | pointer_in_window(GtkWidget *widget, gint x_root, gint y_root) { | ||
223 | if(GTK_WIDGET_MAPPED(gtk_widget_get_toplevel(widget))) { | ||
224 | gint window_x, window_y; | ||
225 | |||
226 | gdk_window_get_position(gtk_widget_get_toplevel(widget)->window, | ||
227 | &window_x, &window_y); | ||
228 | |||
229 | if(x_root >= window_x && x_root < window_x + widget->allocation.width && | ||
230 | y_root >= window_y && y_root < window_y + widget->allocation.height) | ||
231 | return TRUE; | ||
232 | } | ||
233 | |||
234 | return FALSE; | ||
235 | } | ||
236 | |||
237 | static gboolean | ||
238 | on_button_press_event(GtkWidget *widget, | ||
239 | GdkEventButton *event, popup_context_t *context) { | ||
240 | gboolean in = pointer_in_window(widget, event->x_root, event->y_root); | ||
241 | |||
242 | harbaum | 45 | printf("overlay button press (in = %d)\n", in); |
243 | harbaum | 41 | return !in; |
244 | } | ||
245 | |||
246 | static gboolean | ||
247 | on_button_release_event(GtkWidget *widget, | ||
248 | GdkEventButton *event, popup_context_t *context) { | ||
249 | gboolean in = pointer_in_window(widget, event->x_root, event->y_root); | ||
250 | |||
251 | harbaum | 45 | printf("overlay button release (in = %d)\n", in); |
252 | harbaum | 41 | |
253 | if(!in) { | ||
254 | printf("destroying popup\n"); | ||
255 | gtk_widget_destroy(gtk_widget_get_toplevel(widget)); | ||
256 | } | ||
257 | |||
258 | return !in; | ||
259 | } | ||
260 | |||
261 | static void | ||
262 | shutdown_loop(popup_context_t *context) { | ||
263 | if(g_main_loop_is_running(context->loop)) | ||
264 | g_main_loop_quit(context->loop); | ||
265 | } | ||
266 | |||
267 | static gint | ||
268 | run_delete_handler(GtkWindow *window, GdkEventAny *event, | ||
269 | popup_context_t *context) { | ||
270 | shutdown_loop(context); | ||
271 | return TRUE; /* Do not destroy */ | ||
272 | } | ||
273 | |||
274 | static void | ||
275 | run_destroy_handler(GtkWindow *window, popup_context_t *context) { | ||
276 | /* shutdown_loop will be called by run_unmap_handler */ | ||
277 | printf("popup destroyed\n"); | ||
278 | } | ||
279 | |||
280 | static void | ||
281 | run_unmap_handler(GtkWindow *window, popup_context_t *context) { | ||
282 | shutdown_loop(context); | ||
283 | } | ||
284 | |||
285 | harbaum | 46 | static void popup_window_shape(GtkWidget *window, int tip_x, int tip_y) { |
286 | GdkBitmap *mask = gdk_pixmap_new(NULL, POPUP_WIDTH, POPUP_HEIGHT, 1); | ||
287 | |||
288 | GdkGC *gc = gdk_gc_new(mask); | ||
289 | GdkColormap *colormap; | ||
290 | GdkColor black; | ||
291 | GdkColor white; | ||
292 | |||
293 | /* get black/white color values */ | ||
294 | colormap = gdk_colormap_get_system(); | ||
295 | gdk_color_black(colormap, &black); | ||
296 | gdk_color_white(colormap, &white); | ||
297 | |||
298 | /* erase */ | ||
299 | gdk_gc_set_foreground(gc, &black); | ||
300 | gdk_gc_set_background(gc, &white); | ||
301 | |||
302 | /* erase background */ | ||
303 | gdk_draw_rectangle(mask, gc, TRUE, 0, 0, POPUP_WIDTH, POPUP_HEIGHT); | ||
304 | |||
305 | gdk_gc_set_foreground(gc, &white); | ||
306 | gdk_gc_set_background(gc, &black); | ||
307 | |||
308 | harbaum | 47 | /* the tip is always above or below the "bubble" but never at its side */ |
309 | guint tip_offset = (tip_y == 0)?ARROW_BORDER:0; | ||
310 | |||
311 | harbaum | 46 | gdk_draw_rectangle(mask, gc, TRUE, |
312 | harbaum | 47 | 0, tip_offset + CORNER_RADIUS, |
313 | harbaum | 46 | POPUP_WIDTH, |
314 | harbaum | 47 | POPUP_HEIGHT - 2*CORNER_RADIUS - ARROW_BORDER); |
315 | harbaum | 46 | |
316 | gdk_draw_rectangle(mask, gc, TRUE, | ||
317 | harbaum | 47 | CORNER_RADIUS, tip_offset, |
318 | harbaum | 46 | POPUP_WIDTH - 2*CORNER_RADIUS, |
319 | harbaum | 47 | POPUP_HEIGHT - ARROW_BORDER); |
320 | harbaum | 46 | |
321 | int off[][2] = { | ||
322 | harbaum | 47 | { CORNER_RADIUS, tip_offset + CORNER_RADIUS }, |
323 | { POPUP_WIDTH - CORNER_RADIUS, tip_offset + CORNER_RADIUS }, | ||
324 | harbaum | 46 | { POPUP_WIDTH - CORNER_RADIUS, |
325 | harbaum | 47 | POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset}, |
326 | harbaum | 46 | { CORNER_RADIUS, |
327 | harbaum | 47 | POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset}}; |
328 | harbaum | 46 | |
329 | int i; | ||
330 | for(i=0;i<4;i++) { | ||
331 | gdk_draw_arc(mask, gc, TRUE, | ||
332 | off[i][0]-CORNER_RADIUS, off[i][1]-CORNER_RADIUS, | ||
333 | 2*CORNER_RADIUS, 2*CORNER_RADIUS, | ||
334 | 0, 360*64); | ||
335 | } | ||
336 | |||
337 | GdkPoint points[3] = { {POPUP_WIDTH*1/3, POPUP_HEIGHT/2}, | ||
338 | {POPUP_WIDTH*2/3, POPUP_HEIGHT/2}, | ||
339 | {tip_x,tip_y} }; | ||
340 | gdk_draw_polygon(mask, gc, TRUE, points, 3); | ||
341 | |||
342 | |||
343 | gdk_window_shape_combine_mask(window->window, mask, 0, 0); | ||
344 | } | ||
345 | |||
346 | harbaum | 47 | /* create a left aligned label (normal ones are centered) */ |
347 | static GtkWidget *gtk_label_left_new(char *str) { | ||
348 | GtkWidget *label = gtk_label_new(str); | ||
349 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f); | ||
350 | return label; | ||
351 | } | ||
352 | |||
353 | /* the small labels are actually only on maemo small */ | ||
354 | #ifdef USE_MAEMO | ||
355 | #define MARKUP_SMALL "<span size='small'>%s</span>" | ||
356 | GtkWidget *gtk_label_small_left_new(char *str) { | ||
357 | GtkWidget *label = gtk_label_new(""); | ||
358 | char *markup = g_markup_printf_escaped(MARKUP_SMALL, str); | ||
359 | gtk_label_set_markup(GTK_LABEL(label), markup); | ||
360 | g_free(markup); | ||
361 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f); | ||
362 | return label; | ||
363 | } | ||
364 | #define gtk_label_big_left_new(a) gtk_label_left_new(a) | ||
365 | #else | ||
366 | #define gtk_label_small_left_new(a) gtk_label_left_new(a) | ||
367 | #define MARKUP_BIG "<span size='x-large'>%s</span>" | ||
368 | GtkWidget *gtk_label_big_left_new(char *str) { | ||
369 | GtkWidget *label = gtk_label_new(""); | ||
370 | char *markup = g_markup_printf_escaped(MARKUP_BIG, str); | ||
371 | gtk_label_set_markup(GTK_LABEL(label), markup); | ||
372 | g_free(markup); | ||
373 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f); | ||
374 | return label; | ||
375 | } | ||
376 | #endif | ||
377 | |||
378 | harbaum | 42 | void cache_popup(map_context_t *mcontext, cache_t *cache) { |
379 | popup_context_t pcontext; | ||
380 | pcontext.appdata = mcontext->appdata; | ||
381 | harbaum | 41 | |
382 | harbaum | 42 | pcontext.window = gtk_window_new(GTK_WINDOW_POPUP); |
383 | gtk_widget_realize(pcontext.window); | ||
384 | gtk_window_set_default_size(GTK_WINDOW(pcontext.window), | ||
385 | harbaum | 41 | POPUP_WIDTH, POPUP_HEIGHT); |
386 | harbaum | 45 | gtk_window_resize(GTK_WINDOW(pcontext.window), POPUP_WIDTH, POPUP_HEIGHT); |
387 | harbaum | 42 | // gtk_window_set_resizable(GTK_WINDOW(pcontext.window), FALSE); |
388 | gtk_window_set_transient_for(GTK_WINDOW(pcontext.window), | ||
389 | GTK_WINDOW(mcontext->appdata->window)); | ||
390 | gtk_window_set_keep_above(GTK_WINDOW(pcontext.window), TRUE); | ||
391 | gtk_window_set_destroy_with_parent(GTK_WINDOW(pcontext.window), TRUE); | ||
392 | gtk_window_set_gravity(GTK_WINDOW(pcontext.window), GDK_GRAVITY_STATIC); | ||
393 | gtk_window_set_modal(GTK_WINDOW(pcontext.window), TRUE); | ||
394 | harbaum | 41 | |
395 | /* connect events */ | ||
396 | harbaum | 42 | g_signal_connect(G_OBJECT(pcontext.window), "button-press-event", |
397 | G_CALLBACK(on_button_press_event), &pcontext); | ||
398 | g_signal_connect(G_OBJECT(pcontext.window), "button-release-event", | ||
399 | G_CALLBACK(on_button_release_event), &pcontext); | ||
400 | g_signal_connect(G_OBJECT(pcontext.window), "delete-event", | ||
401 | G_CALLBACK(run_delete_handler), &pcontext); | ||
402 | g_signal_connect(G_OBJECT(pcontext.window), "destroy", | ||
403 | G_CALLBACK(run_destroy_handler), &pcontext); | ||
404 | g_signal_connect(G_OBJECT(pcontext.window), "unmap", | ||
405 | G_CALLBACK(run_unmap_handler), &pcontext); | ||
406 | harbaum | 41 | |
407 | harbaum | 42 | gdk_pointer_grab(pcontext.window->window, TRUE, |
408 | harbaum | 41 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK, |
409 | NULL, NULL, GDK_CURRENT_TIME); | ||
410 | harbaum | 42 | gtk_grab_add(pcontext.window); |
411 | harbaum | 41 | |
412 | harbaum | 42 | /* check whether cache is in upper or lower half of window */ |
413 | harbaum | 45 | gint x, y, sx, sy; |
414 | harbaum | 42 | osm_gps_map_geographic_to_screen(OSM_GPS_MAP(mcontext->widget), |
415 | cache->pos.lat, cache->pos.lon, | ||
416 | harbaum | 45 | &sx, &sy); |
417 | harbaum | 42 | |
418 | gdk_window_get_origin(mcontext->widget->window, &x, &y); | ||
419 | |||
420 | harbaum | 45 | gint ax = 0, ay = 0; |
421 | if(sx > mcontext->widget->allocation.width/2) | ||
422 | ax = POPUP_WIDTH; | ||
423 | harbaum | 41 | |
424 | harbaum | 45 | if(sy > mcontext->widget->allocation.height/2) |
425 | ay = POPUP_HEIGHT; | ||
426 | harbaum | 41 | |
427 | harbaum | 47 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
428 | harbaum | 46 | GdkColor color; |
429 | gdk_color_parse("darkgray", &color); | ||
430 | gtk_widget_modify_bg(GTK_WIDGET(pcontext.window), GTK_STATE_NORMAL, &color); | ||
431 | #endif | ||
432 | |||
433 | harbaum | 42 | gtk_window_move(GTK_WINDOW(pcontext.window), |
434 | harbaum | 45 | x + mcontext->widget->allocation.x + sx - ax, |
435 | y + mcontext->widget->allocation.y + sy - ay); | ||
436 | harbaum | 41 | |
437 | harbaum | 46 | |
438 | harbaum | 47 | GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0); |
439 | gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), | ||
440 | CORNER_RADIUS/2 + (ay?0:ARROW_BORDER), | ||
441 | CORNER_RADIUS/2 + (ay?ARROW_BORDER:0), | ||
442 | CORNER_RADIUS, CORNER_RADIUS); | ||
443 | harbaum | 41 | |
444 | harbaum | 47 | /* --- actual content ---- */ |
445 | GtkWidget *vbox = gtk_vbox_new(FALSE, 0); | ||
446 | |||
447 | if(cache->id) { | ||
448 | GtkWidget *ihbox = gtk_hbox_new(FALSE, 0); | ||
449 | |||
450 | gtk_box_pack_start(GTK_BOX(ihbox), | ||
451 | icon_get_widget(ICON_CACHE_TYPE, cache->type), | ||
452 | FALSE, FALSE, 5); | ||
453 | |||
454 | gtk_box_pack_start_defaults(GTK_BOX(ihbox), | ||
455 | gtk_label_big_left_new(cache->id)); | ||
456 | |||
457 | gtk_box_pack_start_defaults(GTK_BOX(vbox), ihbox); | ||
458 | } | ||
459 | |||
460 | if(cache->name) { | ||
461 | GtkWidget *label = gtk_label_small_left_new(cache->name); | ||
462 | gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END); | ||
463 | gtk_box_pack_start_defaults(GTK_BOX(vbox), label); | ||
464 | } | ||
465 | |||
466 | GtkWidget *hbox = gtk_hbox_new(FALSE, 0); | ||
467 | if(cache->terrain) { | ||
468 | GtkWidget *ihbox = gtk_hbox_new(FALSE, 0); | ||
469 | gtk_box_pack_start(GTK_BOX(ihbox), | ||
470 | gtk_label_small_left_new(_("Terrain:")), FALSE, FALSE, 0); | ||
471 | gtk_box_pack_start(GTK_BOX(ihbox), | ||
472 | icon_get_widget(ICON_STARS, (int)(cache->terrain*2-2)), | ||
473 | FALSE, FALSE, 5); | ||
474 | gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox); | ||
475 | } | ||
476 | |||
477 | if(cache->difficulty) { | ||
478 | GtkWidget *ihbox = gtk_hbox_new(FALSE, 0); | ||
479 | gtk_box_pack_start(GTK_BOX(ihbox), | ||
480 | gtk_label_small_left_new(_("Difficulty:")), FALSE, FALSE, 0); | ||
481 | gtk_box_pack_start(GTK_BOX(ihbox), | ||
482 | icon_get_widget(ICON_STARS, (int)(cache->difficulty*2-2)), | ||
483 | FALSE, FALSE, 5); | ||
484 | gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox); | ||
485 | } | ||
486 | |||
487 | gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0); | ||
488 | |||
489 | gtk_container_add(GTK_CONTAINER(alignment), vbox); | ||
490 | /* ----------------------- */ | ||
491 | |||
492 | |||
493 | gtk_container_add(GTK_CONTAINER(pcontext.window), alignment); | ||
494 | harbaum | 41 | |
495 | harbaum | 47 | /* give window its shape */ |
496 | harbaum | 46 | popup_window_shape(pcontext.window, ax, ay); |
497 | |||
498 | harbaum | 42 | gtk_widget_show_all(pcontext.window); |
499 | harbaum | 41 | |
500 | /* handle this popup until it's gone */ | ||
501 | |||
502 | harbaum | 42 | pcontext.loop = g_main_loop_new(NULL, FALSE); |
503 | harbaum | 41 | |
504 | GDK_THREADS_LEAVE(); | ||
505 | harbaum | 42 | g_main_loop_run(pcontext.loop); |
506 | harbaum | 41 | GDK_THREADS_ENTER(); |
507 | |||
508 | harbaum | 42 | g_main_loop_unref(pcontext.loop); |
509 | harbaum | 41 | |
510 | printf("cache popup removed\n"); | ||
511 | } | ||
512 | |||
513 | static void | ||
514 | map_cachelist_nearest(cache_t *cache, pos_t *pos, | ||
515 | cache_t **result, float *distance) { | ||
516 | while(cache) { | ||
517 | float dist = | ||
518 | pow(cache->pos.lat - pos->lat, 2) + | ||
519 | pow(cache->pos.lon - pos->lon, 2); | ||
520 | |||
521 | if(!(dist > *distance)) { | ||
522 | *result = cache; | ||
523 | *distance = dist; | ||
524 | } | ||
525 | |||
526 | cache = cache->next; | ||
527 | } | ||
528 | } | ||
529 | |||
530 | static cache_t *map_closest(map_context_t *context, pos_t *pos) { | ||
531 | cache_t *result = NULL; | ||
532 | float distance = NAN; | ||
533 | |||
534 | #ifdef USE_MAEMO | ||
535 | if(!context->appdata->cur_gpx) { | ||
536 | #endif | ||
537 | /* search all geocaches */ | ||
538 | gpx_t *gpx = context->appdata->gpx; | ||
539 | while(gpx) { | ||
540 | map_cachelist_nearest(gpx->cache, pos, &result, &distance); | ||
541 | gpx = gpx->next; | ||
542 | } | ||
543 | #ifdef USE_MAEMO | ||
544 | } else { | ||
545 | map_cachelist_nearest(context->appdata->cur_gpx->cache, | ||
546 | pos, &result, &distance); | ||
547 | } | ||
548 | #endif | ||
549 | |||
550 | return result; | ||
551 | } | ||
552 | |||
553 | /* translate between osm-gps-map positions and gpxview ones */ | ||
554 | pos_t coord2pos(coord_t coo) { | ||
555 | pos_t pos; | ||
556 | pos.lat = RAD2DEG(coo.rlat); | ||
557 | pos.lon = RAD2DEG(coo.rlon); | ||
558 | return pos; | ||
559 | } | ||
560 | |||
561 | harbaum | 42 | static int dist2pixel(map_context_t *context, float km, float lat) { |
562 | harbaum | 48 | gint zoom; |
563 | harbaum | 42 | g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL); |
564 | |||
565 | /* world at zoom 1 == 512 pixels */ | ||
566 | float m_per_pix = | ||
567 | cos(DEG2RAD(lat))*2*M_PI*EQ_RADIUS/(1<<(8+zoom)); | ||
568 | |||
569 | return 1000.0*km/m_per_pix; | ||
570 | } | ||
571 | |||
572 | harbaum | 47 | #define CLICK_FUZZ (24) |
573 | harbaum | 42 | |
574 | harbaum | 41 | static gboolean |
575 | on_map_button_press_event(GtkWidget *widget, | ||
576 | GdkEventButton *event, map_context_t *context) { | ||
577 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); | ||
578 | |||
579 | harbaum | 44 | /* got a press event without release event? eat it! */ |
580 | if(context->press_on != NULL) { | ||
581 | printf("PRESS: already\n"); | ||
582 | return TRUE; | ||
583 | } | ||
584 | |||
585 | harbaum | 41 | pos_t pos = |
586 | harbaum | 42 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
587 | harbaum | 41 | |
588 | harbaum | 42 | cache_t *nearest = map_closest(context, &pos); |
589 | if(nearest) { | ||
590 | float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE); | ||
591 | harbaum | 44 | if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ) |
592 | harbaum | 42 | context->press_on = nearest; |
593 | } | ||
594 | harbaum | 44 | |
595 | harbaum | 41 | return FALSE; |
596 | } | ||
597 | |||
598 | static gboolean | ||
599 | on_map_button_release_event(GtkWidget *widget, | ||
600 | GdkEventButton *event, map_context_t *context) { | ||
601 | harbaum | 48 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
602 | |||
603 | harbaum | 42 | if(context->press_on) { |
604 | pos_t pos = | ||
605 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); | ||
606 | harbaum | 41 | |
607 | harbaum | 42 | cache_t *nearest = map_closest(context, &pos); |
608 | if(nearest && nearest == context->press_on) { | ||
609 | float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE); | ||
610 | harbaum | 44 | if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ) |
611 | harbaum | 42 | cache_popup(context, nearest); |
612 | } | ||
613 | harbaum | 44 | context->press_on = NULL; |
614 | harbaum | 48 | } else { |
615 | /* save new map position */ | ||
616 | gfloat lat, lon; | ||
617 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); | ||
618 | context->appdata->map.pos.lat = lat; | ||
619 | context->appdata->map.pos.lon = lon; | ||
620 | harbaum | 41 | } |
621 | |||
622 | return FALSE; | ||
623 | } | ||
624 | |||
625 | harbaum | 48 | static void save_map_state(map_context_t *context) { |
626 | /* save map parameters */ | ||
627 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); | ||
628 | gint zoom; | ||
629 | g_object_get(map, "zoom", &zoom, NULL); | ||
630 | context->appdata->map.zoom = zoom; | ||
631 | harbaum | 44 | |
632 | harbaum | 48 | gfloat lat, lon; |
633 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); | ||
634 | context->appdata->map.pos.lat = lat; | ||
635 | context->appdata->map.pos.lon = lon; | ||
636 | } | ||
637 | |||
638 | harbaum | 40 | #if MAEMO_VERSION_MAJOR == 5 |
639 | static void on_window_destroy(GtkWidget *widget, map_context_t *context) { | ||
640 | printf("destroy map view\n"); | ||
641 | |||
642 | harbaum | 48 | save_map_state(context); |
643 | |||
644 | harbaum | 40 | /* restore cur_view */ |
645 | context->appdata->cur_view = context->old_view; | ||
646 | |||
647 | gtk_timeout_remove(context->handler_id); | ||
648 | g_free(context); | ||
649 | } | ||
650 | #endif | ||
651 | |||
652 | harbaum | 33 | void map(appdata_t *appdata) { |
653 | harbaum | 40 | map_context_t *context = g_new0(map_context_t, 1); |
654 | context->appdata = appdata; | ||
655 | harbaum | 33 | |
656 | harbaum | 41 | GtkWidget *hbox = gtk_hbox_new(FALSE, 0); |
657 | |||
658 | char *path = g_strdup_printf("%s/map/", appdata->image_path); | ||
659 | const char *proxy = get_proxy_uri(appdata); | ||
660 | |||
661 | context->widget = g_object_new(OSM_TYPE_GPS_MAP, | ||
662 | harbaum | 51 | "repo-uri", MAP_SOURCE_OPENSTREETMAP, |
663 | "tile-cache", path, | ||
664 | "auto-center", FALSE, | ||
665 | "record-trip-history", FALSE, | ||
666 | "show-trip-history", FALSE, | ||
667 | harbaum | 41 | NULL); |
668 | |||
669 | harbaum | 51 | if(proxy) |
670 | g_object_set(OSM_GPS_MAP(context->widget), | ||
671 | "proxy-uri", proxy, NULL); | ||
672 | |||
673 | harbaum | 41 | g_free(path); |
674 | |||
675 | char *name = NULL; | ||
676 | #ifdef USE_MAEMO | ||
677 | if(!appdata->cur_gpx) { | ||
678 | #endif | ||
679 | /* draw all geocaches */ | ||
680 | gpx_t *gpx = appdata->gpx; | ||
681 | while(gpx) { | ||
682 | map_draw_cachelist(context->widget, gpx->cache); | ||
683 | gpx = gpx->next; | ||
684 | } | ||
685 | name = g_strdup(_("all geocaches")); | ||
686 | #ifdef USE_MAEMO | ||
687 | } else { | ||
688 | map_draw_cachelist(context->widget, appdata->cur_gpx->cache); | ||
689 | harbaum | 44 | name = g_strdup(appdata->cur_gpx->name); |
690 | harbaum | 41 | } |
691 | #endif | ||
692 | |||
693 | char *title = g_strdup_printf(_("Map - %s"), name); | ||
694 | g_free(name); | ||
695 | |||
696 | harbaum | 40 | #if MAEMO_VERSION_MAJOR == 5 |
697 | GtkWidget *window = hildon_stackable_window_new(); | ||
698 | harbaum | 41 | gtk_window_set_title(GTK_WINDOW(window), title); |
699 | harbaum | 40 | #else |
700 | harbaum | 41 | GtkWidget *dialog = gtk_dialog_new_with_buttons(title, |
701 | harbaum | 33 | GTK_WINDOW(appdata->window), |
702 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, | ||
703 | GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE, | ||
704 | NULL); | ||
705 | |||
706 | #ifndef USE_MAEMO | ||
707 | harbaum | 45 | gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480); |
708 | harbaum | 33 | #else |
709 | gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480); | ||
710 | #endif | ||
711 | harbaum | 40 | #endif |
712 | harbaum | 33 | |
713 | harbaum | 41 | g_free(title); |
714 | harbaum | 33 | |
715 | harbaum | 41 | g_signal_connect(G_OBJECT(context->widget), "configure-event", |
716 | G_CALLBACK(on_map_configure), context); | ||
717 | harbaum | 33 | |
718 | harbaum | 41 | g_signal_connect(G_OBJECT(context->widget), "button-press-event", |
719 | G_CALLBACK(on_map_button_press_event), context); | ||
720 | harbaum | 33 | |
721 | harbaum | 40 | g_signal_connect(G_OBJECT(context->widget), "button-release-event", |
722 | G_CALLBACK(on_map_button_release_event), context); | ||
723 | harbaum | 33 | |
724 | harbaum | 40 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->widget); |
725 | harbaum | 33 | /* zoom button box */ |
726 | GtkWidget *vbox = gtk_vbox_new(FALSE,0); | ||
727 | |||
728 | harbaum | 40 | context->zoomin = |
729 | harbaum | 51 | map_add_button(10, G_CALLBACK(cb_map_zoomin), |
730 | harbaum | 40 | context, _("Zoom in")); |
731 | gtk_box_pack_start(GTK_BOX(vbox), context->zoomin, FALSE, FALSE, 0); | ||
732 | harbaum | 33 | |
733 | harbaum | 40 | context->zoomout = |
734 | harbaum | 51 | map_add_button(11, G_CALLBACK(cb_map_zoomout), |
735 | harbaum | 40 | context, _("Zoom out")); |
736 | gtk_box_pack_start(GTK_BOX(vbox), context->zoomout, FALSE, FALSE, 0); | ||
737 | harbaum | 33 | |
738 | harbaum | 40 | context->gps = |
739 | harbaum | 51 | map_add_button(9, G_CALLBACK(cb_map_gps), |
740 | harbaum | 40 | context, _("Jump to GPS position")); |
741 | gtk_widget_set_sensitive(context->gps, FALSE); | ||
742 | harbaum | 33 | /* install handler for timed updates of the gps button */ |
743 | harbaum | 40 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
744 | gtk_box_pack_start(GTK_BOX(vbox), context->gps, FALSE, FALSE, 0); | ||
745 | harbaum | 33 | |
746 | gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0); | ||
747 | |||
748 | harbaum | 40 | #if MAEMO_VERSION_MAJOR == 5 |
749 | /* prevent some of the main screen things */ | ||
750 | context->old_view = appdata->cur_view; | ||
751 | appdata->cur_view = NULL; | ||
752 | |||
753 | g_signal_connect(G_OBJECT(window), "destroy", | ||
754 | G_CALLBACK(on_window_destroy), context); | ||
755 | |||
756 | gtk_container_add(GTK_CONTAINER(window), hbox); | ||
757 | gtk_widget_show_all(GTK_WIDGET(window)); | ||
758 | |||
759 | #else | ||
760 | harbaum | 33 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox); |
761 | gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE); | ||
762 | gtk_widget_show_all(dialog); | ||
763 | gtk_dialog_run(GTK_DIALOG(dialog)); | ||
764 | harbaum | 48 | save_map_state(context); |
765 | harbaum | 40 | gtk_timeout_remove(context->handler_id); |
766 | harbaum | 33 | gtk_widget_destroy(dialog); |
767 | harbaum | 40 | g_free(context); |
768 | #endif | ||
769 | harbaum | 33 | } |