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GPS accuracy indicator in map working
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 | harbaum | 53 | float heading = NAN; |
149 | int radius = 20; | ||
150 | harbaum | 51 | |
151 | harbaum | 53 | if(context->appdata->use_gps) { |
152 | heading = gps_get_heading(context->appdata); | ||
153 | |||
154 | /* get error */ | ||
155 | float eph = gps_get_eph(context->appdata); | ||
156 | if(!isnan(eph)) { | ||
157 | |||
158 | /* world at zoom 1 == 512 pixels */ | ||
159 | gint zoom; | ||
160 | g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL); | ||
161 | float m_per_pix = | ||
162 | cos(DEG2RAD(refpos->lat))*2*M_PI*EQ_RADIUS/(1<<(8+zoom)); | ||
163 | |||
164 | radius = eph/m_per_pix; | ||
165 | } | ||
166 | } | ||
167 | |||
168 | g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL); | ||
169 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget), | ||
170 | harbaum | 51 | refpos->lat, refpos->lon, heading); |
171 | } else | ||
172 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget)); | ||
173 | |||
174 | harbaum | 33 | return TRUE; |
175 | } | ||
176 | |||
177 | harbaum | 35 | static gboolean on_map_configure(GtkWidget *widget, |
178 | GdkEventConfigure *event, | ||
179 | map_context_t *context) { | ||
180 | harbaum | 33 | |
181 | harbaum | 48 | /* set default values if they are invalid */ |
182 | if(!context->appdata->map.zoom || | ||
183 | isnan(context->appdata->map.pos.lat) || | ||
184 | isnan(context->appdata->map.pos.lon)) { | ||
185 | printf("no valid map position found\n"); | ||
186 | |||
187 | pos_t *refpos = get_pos(context->appdata); | ||
188 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { | ||
189 | /* use gps position if present */ | ||
190 | context->appdata->map.pos = *refpos; | ||
191 | context->appdata->map.zoom = GPS_DEFAULT_ZOOM; | ||
192 | } else { | ||
193 | /* use world map otherwise */ | ||
194 | context->appdata->map.pos.lat = 0.0; | ||
195 | context->appdata->map.pos.lon = 0.0; | ||
196 | context->appdata->map.zoom = 1; | ||
197 | } | ||
198 | } | ||
199 | harbaum | 35 | |
200 | harbaum | 48 | /* jump to initial position */ |
201 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), | ||
202 | context->appdata->map.pos.lat, | ||
203 | context->appdata->map.pos.lon, | ||
204 | context->appdata->map.zoom); | ||
205 | |||
206 | harbaum | 35 | return FALSE; |
207 | } | ||
208 | |||
209 | harbaum | 38 | static void map_draw_cachelist(GtkWidget *map, cache_t *cache) { |
210 | while(cache) { | ||
211 | GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type); | ||
212 | |||
213 | osm_gps_map_add_image(OSM_GPS_MAP(map), | ||
214 | cache->pos.lat, cache->pos.lon, icon); | ||
215 | |||
216 | cache = cache->next; | ||
217 | } | ||
218 | } | ||
219 | |||
220 | harbaum | 41 | /* draw a nice popup */ |
221 | typedef struct { | ||
222 | appdata_t *appdata; | ||
223 | GtkWidget *window; | ||
224 | GMainLoop *loop; | ||
225 | } popup_context_t; | ||
226 | |||
227 | harbaum | 47 | /* draw shape */ |
228 | #define ARROW_BORDER 20 | ||
229 | #define CORNER_RADIUS 10 | ||
230 | harbaum | 41 | |
231 | harbaum | 47 | #ifndef USE_MAEMO |
232 | harbaum | 41 | #define POPUP_WIDTH 300 |
233 | #define POPUP_HEIGHT 100 | ||
234 | #else | ||
235 | harbaum | 47 | #define POPUP_WIDTH 350 |
236 | #define POPUP_HEIGHT 120 | ||
237 | harbaum | 41 | #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 | harbaum | 45 | printf("overlay button press (in = %d)\n", in); |
261 | harbaum | 41 | 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 | harbaum | 45 | printf("overlay button release (in = %d)\n", in); |
270 | harbaum | 41 | |
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 | harbaum | 46 | 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 | harbaum | 47 | /* 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 | harbaum | 46 | gdk_draw_rectangle(mask, gc, TRUE, |
330 | harbaum | 47 | 0, tip_offset + CORNER_RADIUS, |
331 | harbaum | 46 | POPUP_WIDTH, |
332 | harbaum | 47 | POPUP_HEIGHT - 2*CORNER_RADIUS - ARROW_BORDER); |
333 | harbaum | 46 | |
334 | gdk_draw_rectangle(mask, gc, TRUE, | ||
335 | harbaum | 47 | CORNER_RADIUS, tip_offset, |
336 | harbaum | 46 | POPUP_WIDTH - 2*CORNER_RADIUS, |
337 | harbaum | 47 | POPUP_HEIGHT - ARROW_BORDER); |
338 | harbaum | 46 | |
339 | int off[][2] = { | ||
340 | harbaum | 47 | { CORNER_RADIUS, tip_offset + CORNER_RADIUS }, |
341 | { POPUP_WIDTH - CORNER_RADIUS, tip_offset + CORNER_RADIUS }, | ||
342 | harbaum | 46 | { POPUP_WIDTH - CORNER_RADIUS, |
343 | harbaum | 47 | POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset}, |
344 | harbaum | 46 | { CORNER_RADIUS, |
345 | harbaum | 47 | POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset}}; |
346 | harbaum | 46 | |
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 | harbaum | 47 | /* 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 | harbaum | 42 | void cache_popup(map_context_t *mcontext, cache_t *cache) { |
397 | popup_context_t pcontext; | ||
398 | pcontext.appdata = mcontext->appdata; | ||
399 | harbaum | 41 | |
400 | harbaum | 42 | pcontext.window = gtk_window_new(GTK_WINDOW_POPUP); |
401 | gtk_widget_realize(pcontext.window); | ||
402 | gtk_window_set_default_size(GTK_WINDOW(pcontext.window), | ||
403 | harbaum | 41 | POPUP_WIDTH, POPUP_HEIGHT); |
404 | harbaum | 45 | gtk_window_resize(GTK_WINDOW(pcontext.window), POPUP_WIDTH, POPUP_HEIGHT); |
405 | harbaum | 42 | // gtk_window_set_resizable(GTK_WINDOW(pcontext.window), FALSE); |
406 | gtk_window_set_transient_for(GTK_WINDOW(pcontext.window), | ||
407 | GTK_WINDOW(mcontext->appdata->window)); | ||
408 | gtk_window_set_keep_above(GTK_WINDOW(pcontext.window), TRUE); | ||
409 | gtk_window_set_destroy_with_parent(GTK_WINDOW(pcontext.window), TRUE); | ||
410 | gtk_window_set_gravity(GTK_WINDOW(pcontext.window), GDK_GRAVITY_STATIC); | ||
411 | gtk_window_set_modal(GTK_WINDOW(pcontext.window), TRUE); | ||
412 | harbaum | 41 | |
413 | /* connect events */ | ||
414 | harbaum | 42 | g_signal_connect(G_OBJECT(pcontext.window), "button-press-event", |
415 | G_CALLBACK(on_button_press_event), &pcontext); | ||
416 | g_signal_connect(G_OBJECT(pcontext.window), "button-release-event", | ||
417 | G_CALLBACK(on_button_release_event), &pcontext); | ||
418 | g_signal_connect(G_OBJECT(pcontext.window), "delete-event", | ||
419 | G_CALLBACK(run_delete_handler), &pcontext); | ||
420 | g_signal_connect(G_OBJECT(pcontext.window), "destroy", | ||
421 | G_CALLBACK(run_destroy_handler), &pcontext); | ||
422 | g_signal_connect(G_OBJECT(pcontext.window), "unmap", | ||
423 | G_CALLBACK(run_unmap_handler), &pcontext); | ||
424 | harbaum | 41 | |
425 | harbaum | 42 | gdk_pointer_grab(pcontext.window->window, TRUE, |
426 | harbaum | 41 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK, |
427 | NULL, NULL, GDK_CURRENT_TIME); | ||
428 | harbaum | 42 | gtk_grab_add(pcontext.window); |
429 | harbaum | 41 | |
430 | harbaum | 42 | /* check whether cache is in upper or lower half of window */ |
431 | harbaum | 45 | gint x, y, sx, sy; |
432 | harbaum | 42 | osm_gps_map_geographic_to_screen(OSM_GPS_MAP(mcontext->widget), |
433 | cache->pos.lat, cache->pos.lon, | ||
434 | harbaum | 45 | &sx, &sy); |
435 | harbaum | 42 | |
436 | gdk_window_get_origin(mcontext->widget->window, &x, &y); | ||
437 | |||
438 | harbaum | 45 | gint ax = 0, ay = 0; |
439 | if(sx > mcontext->widget->allocation.width/2) | ||
440 | ax = POPUP_WIDTH; | ||
441 | harbaum | 41 | |
442 | harbaum | 45 | if(sy > mcontext->widget->allocation.height/2) |
443 | ay = POPUP_HEIGHT; | ||
444 | harbaum | 41 | |
445 | harbaum | 47 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
446 | harbaum | 46 | GdkColor color; |
447 | gdk_color_parse("darkgray", &color); | ||
448 | gtk_widget_modify_bg(GTK_WIDGET(pcontext.window), GTK_STATE_NORMAL, &color); | ||
449 | #endif | ||
450 | |||
451 | harbaum | 42 | gtk_window_move(GTK_WINDOW(pcontext.window), |
452 | harbaum | 45 | x + mcontext->widget->allocation.x + sx - ax, |
453 | y + mcontext->widget->allocation.y + sy - ay); | ||
454 | harbaum | 41 | |
455 | harbaum | 46 | |
456 | harbaum | 47 | GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0); |
457 | gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), | ||
458 | CORNER_RADIUS/2 + (ay?0:ARROW_BORDER), | ||
459 | CORNER_RADIUS/2 + (ay?ARROW_BORDER:0), | ||
460 | CORNER_RADIUS, CORNER_RADIUS); | ||
461 | harbaum | 41 | |
462 | harbaum | 47 | /* --- actual content ---- */ |
463 | GtkWidget *vbox = gtk_vbox_new(FALSE, 0); | ||
464 | |||
465 | if(cache->id) { | ||
466 | GtkWidget *ihbox = gtk_hbox_new(FALSE, 0); | ||
467 | |||
468 | gtk_box_pack_start(GTK_BOX(ihbox), | ||
469 | icon_get_widget(ICON_CACHE_TYPE, cache->type), | ||
470 | FALSE, FALSE, 5); | ||
471 | |||
472 | gtk_box_pack_start_defaults(GTK_BOX(ihbox), | ||
473 | gtk_label_big_left_new(cache->id)); | ||
474 | |||
475 | gtk_box_pack_start_defaults(GTK_BOX(vbox), ihbox); | ||
476 | } | ||
477 | |||
478 | if(cache->name) { | ||
479 | GtkWidget *label = gtk_label_small_left_new(cache->name); | ||
480 | gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END); | ||
481 | gtk_box_pack_start_defaults(GTK_BOX(vbox), label); | ||
482 | } | ||
483 | |||
484 | GtkWidget *hbox = gtk_hbox_new(FALSE, 0); | ||
485 | if(cache->terrain) { | ||
486 | GtkWidget *ihbox = gtk_hbox_new(FALSE, 0); | ||
487 | gtk_box_pack_start(GTK_BOX(ihbox), | ||
488 | gtk_label_small_left_new(_("Terrain:")), FALSE, FALSE, 0); | ||
489 | gtk_box_pack_start(GTK_BOX(ihbox), | ||
490 | icon_get_widget(ICON_STARS, (int)(cache->terrain*2-2)), | ||
491 | FALSE, FALSE, 5); | ||
492 | gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox); | ||
493 | } | ||
494 | |||
495 | if(cache->difficulty) { | ||
496 | GtkWidget *ihbox = gtk_hbox_new(FALSE, 0); | ||
497 | gtk_box_pack_start(GTK_BOX(ihbox), | ||
498 | gtk_label_small_left_new(_("Difficulty:")), FALSE, FALSE, 0); | ||
499 | gtk_box_pack_start(GTK_BOX(ihbox), | ||
500 | icon_get_widget(ICON_STARS, (int)(cache->difficulty*2-2)), | ||
501 | FALSE, FALSE, 5); | ||
502 | gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox); | ||
503 | } | ||
504 | |||
505 | gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0); | ||
506 | |||
507 | gtk_container_add(GTK_CONTAINER(alignment), vbox); | ||
508 | /* ----------------------- */ | ||
509 | |||
510 | |||
511 | gtk_container_add(GTK_CONTAINER(pcontext.window), alignment); | ||
512 | harbaum | 41 | |
513 | harbaum | 47 | /* give window its shape */ |
514 | harbaum | 46 | popup_window_shape(pcontext.window, ax, ay); |
515 | |||
516 | harbaum | 42 | gtk_widget_show_all(pcontext.window); |
517 | harbaum | 41 | |
518 | /* handle this popup until it's gone */ | ||
519 | |||
520 | harbaum | 42 | pcontext.loop = g_main_loop_new(NULL, FALSE); |
521 | harbaum | 41 | |
522 | GDK_THREADS_LEAVE(); | ||
523 | harbaum | 42 | g_main_loop_run(pcontext.loop); |
524 | harbaum | 41 | GDK_THREADS_ENTER(); |
525 | |||
526 | harbaum | 42 | g_main_loop_unref(pcontext.loop); |
527 | harbaum | 41 | |
528 | printf("cache popup removed\n"); | ||
529 | } | ||
530 | |||
531 | static void | ||
532 | map_cachelist_nearest(cache_t *cache, pos_t *pos, | ||
533 | cache_t **result, float *distance) { | ||
534 | while(cache) { | ||
535 | float dist = | ||
536 | pow(cache->pos.lat - pos->lat, 2) + | ||
537 | pow(cache->pos.lon - pos->lon, 2); | ||
538 | |||
539 | if(!(dist > *distance)) { | ||
540 | *result = cache; | ||
541 | *distance = dist; | ||
542 | } | ||
543 | |||
544 | cache = cache->next; | ||
545 | } | ||
546 | } | ||
547 | |||
548 | static cache_t *map_closest(map_context_t *context, pos_t *pos) { | ||
549 | cache_t *result = NULL; | ||
550 | float distance = NAN; | ||
551 | |||
552 | #ifdef USE_MAEMO | ||
553 | if(!context->appdata->cur_gpx) { | ||
554 | #endif | ||
555 | /* search all geocaches */ | ||
556 | gpx_t *gpx = context->appdata->gpx; | ||
557 | while(gpx) { | ||
558 | map_cachelist_nearest(gpx->cache, pos, &result, &distance); | ||
559 | gpx = gpx->next; | ||
560 | } | ||
561 | #ifdef USE_MAEMO | ||
562 | } else { | ||
563 | map_cachelist_nearest(context->appdata->cur_gpx->cache, | ||
564 | pos, &result, &distance); | ||
565 | } | ||
566 | #endif | ||
567 | |||
568 | return result; | ||
569 | } | ||
570 | |||
571 | /* translate between osm-gps-map positions and gpxview ones */ | ||
572 | pos_t coord2pos(coord_t coo) { | ||
573 | pos_t pos; | ||
574 | pos.lat = RAD2DEG(coo.rlat); | ||
575 | pos.lon = RAD2DEG(coo.rlon); | ||
576 | return pos; | ||
577 | } | ||
578 | |||
579 | harbaum | 42 | static int dist2pixel(map_context_t *context, float km, float lat) { |
580 | harbaum | 48 | gint zoom; |
581 | harbaum | 42 | g_object_get(OSM_GPS_MAP(context->widget), "zoom", &zoom, NULL); |
582 | |||
583 | /* world at zoom 1 == 512 pixels */ | ||
584 | float m_per_pix = | ||
585 | cos(DEG2RAD(lat))*2*M_PI*EQ_RADIUS/(1<<(8+zoom)); | ||
586 | |||
587 | return 1000.0*km/m_per_pix; | ||
588 | } | ||
589 | |||
590 | harbaum | 47 | #define CLICK_FUZZ (24) |
591 | harbaum | 42 | |
592 | harbaum | 41 | 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 | harbaum | 44 | /* 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 | harbaum | 41 | pos_t pos = |
604 | harbaum | 42 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
605 | harbaum | 41 | |
606 | harbaum | 42 | cache_t *nearest = map_closest(context, &pos); |
607 | if(nearest) { | ||
608 | float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE); | ||
609 | harbaum | 44 | if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ) |
610 | harbaum | 42 | context->press_on = nearest; |
611 | } | ||
612 | harbaum | 44 | |
613 | harbaum | 41 | return FALSE; |
614 | } | ||
615 | |||
616 | static gboolean | ||
617 | on_map_button_release_event(GtkWidget *widget, | ||
618 | GdkEventButton *event, map_context_t *context) { | ||
619 | harbaum | 48 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
620 | |||
621 | harbaum | 42 | if(context->press_on) { |
622 | pos_t pos = | ||
623 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); | ||
624 | harbaum | 41 | |
625 | harbaum | 42 | 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 | harbaum | 44 | if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ) |
629 | harbaum | 42 | cache_popup(context, nearest); |
630 | } | ||
631 | harbaum | 44 | context->press_on = NULL; |
632 | harbaum | 48 | } 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 | harbaum | 41 | } |
639 | |||
640 | return FALSE; | ||
641 | } | ||
642 | |||
643 | harbaum | 48 | 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 | harbaum | 44 | |
650 | harbaum | 48 | 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 | harbaum | 40 | #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 | harbaum | 48 | save_map_state(context); |
661 | |||
662 | harbaum | 40 | /* 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 | harbaum | 33 | void map(appdata_t *appdata) { |
671 | harbaum | 40 | map_context_t *context = g_new0(map_context_t, 1); |
672 | context->appdata = appdata; | ||
673 | harbaum | 33 | |
674 | harbaum | 41 | 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 | harbaum | 51 | "repo-uri", MAP_SOURCE_OPENSTREETMAP, |
681 | "tile-cache", path, | ||
682 | "auto-center", FALSE, | ||
683 | "record-trip-history", FALSE, | ||
684 | "show-trip-history", FALSE, | ||
685 | harbaum | 41 | NULL); |
686 | |||
687 | harbaum | 51 | if(proxy) |
688 | harbaum | 53 | g_object_set(OSM_GPS_MAP(context->widget), "proxy-uri", proxy, NULL); |
689 | harbaum | 51 | |
690 | harbaum | 41 | g_free(path); |
691 | |||
692 | char *name = NULL; | ||
693 | #ifdef USE_MAEMO | ||
694 | if(!appdata->cur_gpx) { | ||
695 | #endif | ||
696 | /* draw all geocaches */ | ||
697 | gpx_t *gpx = appdata->gpx; | ||
698 | while(gpx) { | ||
699 | map_draw_cachelist(context->widget, gpx->cache); | ||
700 | gpx = gpx->next; | ||
701 | } | ||
702 | name = g_strdup(_("all geocaches")); | ||
703 | #ifdef USE_MAEMO | ||
704 | } else { | ||
705 | map_draw_cachelist(context->widget, appdata->cur_gpx->cache); | ||
706 | harbaum | 44 | name = g_strdup(appdata->cur_gpx->name); |
707 | harbaum | 41 | } |
708 | #endif | ||
709 | |||
710 | char *title = g_strdup_printf(_("Map - %s"), name); | ||
711 | g_free(name); | ||
712 | |||
713 | harbaum | 40 | #if MAEMO_VERSION_MAJOR == 5 |
714 | GtkWidget *window = hildon_stackable_window_new(); | ||
715 | harbaum | 41 | gtk_window_set_title(GTK_WINDOW(window), title); |
716 | harbaum | 40 | #else |
717 | harbaum | 41 | GtkWidget *dialog = gtk_dialog_new_with_buttons(title, |
718 | harbaum | 33 | GTK_WINDOW(appdata->window), |
719 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, | ||
720 | GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE, | ||
721 | NULL); | ||
722 | |||
723 | #ifndef USE_MAEMO | ||
724 | harbaum | 45 | gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 480); |
725 | harbaum | 33 | #else |
726 | gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480); | ||
727 | #endif | ||
728 | harbaum | 40 | #endif |
729 | harbaum | 33 | |
730 | harbaum | 41 | g_free(title); |
731 | harbaum | 33 | |
732 | harbaum | 41 | g_signal_connect(G_OBJECT(context->widget), "configure-event", |
733 | G_CALLBACK(on_map_configure), context); | ||
734 | harbaum | 33 | |
735 | harbaum | 41 | g_signal_connect(G_OBJECT(context->widget), "button-press-event", |
736 | G_CALLBACK(on_map_button_press_event), context); | ||
737 | harbaum | 33 | |
738 | harbaum | 40 | g_signal_connect(G_OBJECT(context->widget), "button-release-event", |
739 | G_CALLBACK(on_map_button_release_event), context); | ||
740 | harbaum | 33 | |
741 | harbaum | 40 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->widget); |
742 | harbaum | 33 | /* zoom button box */ |
743 | GtkWidget *vbox = gtk_vbox_new(FALSE,0); | ||
744 | |||
745 | harbaum | 40 | context->zoomin = |
746 | harbaum | 51 | map_add_button(10, G_CALLBACK(cb_map_zoomin), |
747 | harbaum | 40 | context, _("Zoom in")); |
748 | gtk_box_pack_start(GTK_BOX(vbox), context->zoomin, FALSE, FALSE, 0); | ||
749 | harbaum | 33 | |
750 | harbaum | 40 | context->zoomout = |
751 | harbaum | 51 | map_add_button(11, G_CALLBACK(cb_map_zoomout), |
752 | harbaum | 40 | context, _("Zoom out")); |
753 | gtk_box_pack_start(GTK_BOX(vbox), context->zoomout, FALSE, FALSE, 0); | ||
754 | harbaum | 33 | |
755 | harbaum | 40 | context->gps = |
756 | harbaum | 51 | map_add_button(9, G_CALLBACK(cb_map_gps), |
757 | harbaum | 40 | context, _("Jump to GPS position")); |
758 | gtk_widget_set_sensitive(context->gps, FALSE); | ||
759 | harbaum | 33 | /* install handler for timed updates of the gps button */ |
760 | harbaum | 40 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
761 | gtk_box_pack_start(GTK_BOX(vbox), context->gps, FALSE, FALSE, 0); | ||
762 | harbaum | 33 | |
763 | gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0); | ||
764 | |||
765 | harbaum | 40 | #if MAEMO_VERSION_MAJOR == 5 |
766 | /* prevent some of the main screen things */ | ||
767 | context->old_view = appdata->cur_view; | ||
768 | appdata->cur_view = NULL; | ||
769 | |||
770 | g_signal_connect(G_OBJECT(window), "destroy", | ||
771 | G_CALLBACK(on_window_destroy), context); | ||
772 | |||
773 | gtk_container_add(GTK_CONTAINER(window), hbox); | ||
774 | gtk_widget_show_all(GTK_WIDGET(window)); | ||
775 | |||
776 | #else | ||
777 | harbaum | 33 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox); |
778 | gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE); | ||
779 | gtk_widget_show_all(dialog); | ||
780 | gtk_dialog_run(GTK_DIALOG(dialog)); | ||
781 | harbaum | 48 | save_map_state(context); |
782 | harbaum | 40 | gtk_timeout_remove(context->handler_id); |
783 | harbaum | 33 | gtk_widget_destroy(dialog); |
784 | harbaum | 40 | g_free(context); |
785 | #endif | ||
786 | harbaum | 33 | } |