Parent Directory | Revision Log
Updated osm-gps-map
1 | /* |
2 | * Copyright (C) 2008 Till Harbaum <till@harbaum.org>. |
3 | * |
4 | * This file is part of OSM2Go. |
5 | * |
6 | * OSM2Go 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 | * OSM2Go 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 OSM2Go. If not, see <http://www.gnu.org/licenses/>. |
18 | */ |
19 | |
20 | #include "appdata.h" |
21 | |
22 | #ifdef ENABLE_OSM_GPS_MAP |
23 | #include "osm-gps-map.h" |
24 | #include "osm-gps-map-osd-classic.h" |
25 | #endif |
26 | |
27 | #define TAB_LABEL_MAP "Map" |
28 | #define TAB_LABEL_DIRECT "Direct" |
29 | #define TAB_LABEL_EXTENT "Extent" |
30 | |
31 | /* maemo5 currently has no maemo mapper */ |
32 | #if defined(USE_HILDON) && (MAEMO_VERSION_MAJOR < 5) |
33 | #define HAS_MAEMO_MAPPER |
34 | #define TAB_LABEL_MM "Maemo Mapper" |
35 | #endif |
36 | |
37 | /* limit of square kilometers above the warning is enabled */ |
38 | #define WARN_OVER 5.0 |
39 | |
40 | typedef struct { |
41 | GtkWidget *dialog, *notebook; |
42 | area_edit_t *area; |
43 | pos_t min, max; /* local copy to work on */ |
44 | GtkWidget *minlat, *maxlat, *minlon, *maxlon; |
45 | GtkWidget *warning; |
46 | |
47 | struct { |
48 | GtkWidget *minlat, *maxlat, *minlon, *maxlon; |
49 | GtkWidget *error; |
50 | } direct; |
51 | |
52 | struct { |
53 | GtkWidget *lat, *lon, *height, *width, *mil_km; |
54 | gboolean is_mil; |
55 | GtkWidget *error; |
56 | } extent; |
57 | |
58 | #ifdef HAS_MAEMO_MAPPER |
59 | struct { |
60 | GtkWidget *fetch; |
61 | } mmapper; |
62 | #endif |
63 | |
64 | #ifdef ENABLE_OSM_GPS_MAP |
65 | struct { |
66 | GtkWidget *widget; |
67 | gboolean needs_redraw; |
68 | gint handler_id; |
69 | coord_t start; |
70 | } map; |
71 | #endif |
72 | } context_t; |
73 | |
74 | static void parse_and_set_lat(GtkWidget *src, pos_float_t *store) { |
75 | pos_float_t i = pos_parse_lat((char*)gtk_entry_get_text(GTK_ENTRY(src))); |
76 | if(pos_lat_valid(i)) |
77 | *store = i; |
78 | } |
79 | |
80 | static void parse_and_set_lon(GtkWidget *src, pos_float_t *store) { |
81 | pos_float_t i = pos_parse_lon((char*)gtk_entry_get_text(GTK_ENTRY(src))); |
82 | if(pos_lon_valid(i)) |
83 | *store = i; |
84 | } |
85 | |
86 | static gboolean current_tab_is(context_t *context, gint page_num, char *str) { |
87 | if(page_num < 0) |
88 | page_num = |
89 | gtk_notebook_get_current_page(GTK_NOTEBOOK(context->notebook)); |
90 | |
91 | if(page_num < 0) return FALSE; |
92 | |
93 | GtkWidget *w = |
94 | gtk_notebook_get_nth_page(GTK_NOTEBOOK(context->notebook), page_num); |
95 | const char *name = |
96 | gtk_notebook_get_tab_label_text(GTK_NOTEBOOK(context->notebook), w); |
97 | |
98 | return(strcasecmp(name, _(str)) == 0); |
99 | } |
100 | |
101 | static char *warn_text(context_t *context) { |
102 | /* compute area size */ |
103 | pos_float_t center_lat = (context->max.lat + context->min.lat)/2; |
104 | double vscale = DEG2RAD(POS_EQ_RADIUS / 1000.0); |
105 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS / 1000.0); |
106 | |
107 | double area = vscale * (context->max.lat - context->min.lat) * |
108 | hscale * (context->max.lon - context->min.lon); |
109 | |
110 | return g_strdup_printf( |
111 | _("The currently selected area is %.02f km² (%.02f mi²) in size. " |
112 | "This is more than the recommended %.02f km² (%.02f mi²).\n\n" |
113 | "Continuing may result in a big or failing download and low " |
114 | "mapping performance in a densly mapped area (e.g. cities)!"), |
115 | area, area/(KMPMIL*KMPMIL), |
116 | WARN_OVER, WARN_OVER/(KMPMIL*KMPMIL) |
117 | ); |
118 | } |
119 | |
120 | static void on_area_warning_clicked(GtkButton *button, gpointer data) { |
121 | context_t *context = (context_t*)data; |
122 | |
123 | char *wtext = warn_text(context); |
124 | warningf(context->dialog, wtext); |
125 | g_free(wtext); |
126 | } |
127 | |
128 | static gboolean area_warning(context_t *context) { |
129 | gboolean ret = TRUE; |
130 | |
131 | /* check if area size exceeds recommended values */ |
132 | pos_float_t center_lat = (context->max.lat + context->min.lat)/2; |
133 | double vscale = DEG2RAD(POS_EQ_RADIUS / 1000.0); |
134 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS / 1000.0); |
135 | |
136 | double area = vscale * (context->max.lat - context->min.lat) * |
137 | hscale * (context->max.lon - context->min.lon); |
138 | |
139 | if(area > WARN_OVER) { |
140 | char *wtext = warn_text(context); |
141 | |
142 | ret = yes_no_f(context->dialog, context->area->appdata, |
143 | MISC_AGAIN_ID_AREA_TOO_BIG, MISC_AGAIN_FLAG_DONT_SAVE_NO, |
144 | _("Area size warning!"), |
145 | _("%s Do you really want to continue?"), wtext); |
146 | |
147 | g_free(wtext); |
148 | } |
149 | |
150 | return ret; |
151 | } |
152 | |
153 | static void area_main_update(context_t *context) { |
154 | pos_lat_label_set(context->minlat, context->min.lat); |
155 | pos_lat_label_set(context->maxlat, context->max.lat); |
156 | pos_lon_label_set(context->minlon, context->min.lon); |
157 | pos_lon_label_set(context->maxlon, context->max.lon); |
158 | |
159 | /* also setup the local error messages here, so they are */ |
160 | /* updated for all entries at once */ |
161 | if(context->min.lat >= context->max.lat || |
162 | context->min.lon >= context->max.lon) { |
163 | gtk_label_set(GTK_LABEL(context->direct.error), |
164 | _("\"From\" must be smaller than \"to\" value!")); |
165 | gtk_label_set(GTK_LABEL(context->extent.error), |
166 | _("Extents must be positive!")); |
167 | |
168 | gtk_dialog_set_response_sensitive(GTK_DIALOG(context->dialog), |
169 | GTK_RESPONSE_ACCEPT, FALSE); |
170 | |
171 | } else { |
172 | gtk_label_set(GTK_LABEL(context->direct.error), ""); |
173 | gtk_label_set(GTK_LABEL(context->extent.error), ""); |
174 | |
175 | gtk_dialog_set_response_sensitive(GTK_DIALOG(context->dialog), |
176 | GTK_RESPONSE_ACCEPT, TRUE); |
177 | } |
178 | |
179 | /* check if area size exceeds recommended values */ |
180 | pos_float_t center_lat = (context->max.lat + context->min.lat)/2; |
181 | double vscale = DEG2RAD(POS_EQ_RADIUS / 1000.0); |
182 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS / 1000.0); |
183 | |
184 | double area = vscale * (context->max.lat - context->min.lat) * |
185 | hscale * (context->max.lon - context->min.lon); |
186 | |
187 | if(area > WARN_OVER) |
188 | gtk_widget_show(context->warning); |
189 | else |
190 | gtk_widget_hide(context->warning); |
191 | } |
192 | |
193 | #ifdef ENABLE_OSM_GPS_MAP |
194 | #define LOG2(x) (log(x) / log(2)) |
195 | |
196 | static GSList *pos_append_rad(GSList *list, pos_float_t lat, pos_float_t lon) { |
197 | coord_t *coo = g_new0(coord_t, 1); |
198 | coo->rlat = lat; |
199 | coo->rlon = lon; |
200 | list = g_slist_append(list, coo); |
201 | return list; |
202 | } |
203 | |
204 | static GSList *pos_append(GSList *list, pos_float_t lat, pos_float_t lon) { |
205 | return pos_append_rad(list, DEG2RAD(lat), DEG2RAD(lon)); |
206 | } |
207 | |
208 | /* the contents of the map tab have been changed */ |
209 | static void map_update(context_t *context, gboolean forced) { |
210 | |
211 | /* map is first tab (page 0) */ |
212 | if(!forced && !current_tab_is(context, -1, TAB_LABEL_MAP)) { |
213 | context->map.needs_redraw = TRUE; |
214 | return; |
215 | } |
216 | |
217 | /* check if the position is invalid */ |
218 | if(isnan(context->min.lat) || isnan(context->min.lon) || |
219 | isnan(context->min.lat) || isnan(context->min.lon)) { |
220 | |
221 | /* no coordinates given: display the entire world */ |
222 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->map.widget), |
223 | 0.0, 0.0, 1); |
224 | |
225 | osm_gps_map_clear_tracks(OSM_GPS_MAP(context->map.widget)); |
226 | } else { |
227 | |
228 | pos_float_t center_lat = (context->max.lat + context->min.lat)/2; |
229 | pos_float_t center_lon = (context->max.lon + context->min.lon)/2; |
230 | |
231 | /* we know the widgets pixel size, we know the required real size, */ |
232 | /* we want the zoom! */ |
233 | double vzoom = LOG2((45.0 * context->map.widget->allocation.height)/ |
234 | ((context->max.lat - context->min.lat)*32.0)) -1; |
235 | |
236 | double hzoom = LOG2((45.0 * context->map.widget->allocation.width)/ |
237 | ((context->max.lon - context->min.lon)*32.0)) -1; |
238 | |
239 | osm_gps_map_set_center(OSM_GPS_MAP(context->map.widget), |
240 | center_lat, center_lon); |
241 | |
242 | /* use smallest zoom, so everything fits on screen */ |
243 | osm_gps_map_set_zoom(OSM_GPS_MAP(context->map.widget), |
244 | (vzoom < hzoom)?vzoom:hzoom); |
245 | |
246 | /* ---------- draw border (as a gps track) -------------- */ |
247 | osm_gps_map_clear_tracks(OSM_GPS_MAP(context->map.widget)); |
248 | |
249 | if(context->max.lat > context->min.lat && |
250 | context->max.lon > context->min.lon) { |
251 | GSList *box = pos_append(NULL, context->min.lat, context->min.lon); |
252 | box = pos_append(box, context->max.lat, context->min.lon); |
253 | box = pos_append(box, context->max.lat, context->max.lon); |
254 | box = pos_append(box, context->min.lat, context->max.lon); |
255 | box = pos_append(box, context->min.lat, context->min.lon); |
256 | |
257 | osm_gps_map_add_track(OSM_GPS_MAP(context->map.widget), box); |
258 | } |
259 | } |
260 | |
261 | context->map.needs_redraw = FALSE; |
262 | } |
263 | |
264 | static gboolean on_map_configure(GtkWidget *widget, |
265 | GdkEventConfigure *event, |
266 | context_t *context) { |
267 | map_update(context, FALSE); |
268 | return FALSE; |
269 | } |
270 | #endif |
271 | |
272 | /* the contents of the direct tab have been changed */ |
273 | static void direct_update(context_t *context) { |
274 | pos_lat_entry_set(context->direct.minlat, context->min.lat); |
275 | pos_lon_entry_set(context->direct.minlon, context->min.lon); |
276 | pos_lat_entry_set(context->direct.maxlat, context->max.lat); |
277 | pos_lon_entry_set(context->direct.maxlon, context->max.lon); |
278 | } |
279 | |
280 | /* update the contents of the extent tab */ |
281 | static void extent_update(context_t *context) { |
282 | pos_float_t center_lat = (context->max.lat + context->min.lat)/2; |
283 | pos_float_t center_lon = (context->max.lon + context->min.lon)/2; |
284 | |
285 | pos_lat_entry_set(context->extent.lat, center_lat); |
286 | pos_lat_entry_set(context->extent.lon, center_lon); |
287 | |
288 | double vscale = DEG2RAD(POS_EQ_RADIUS / 1000.0); |
289 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS / 1000.0); |
290 | |
291 | double height = vscale * (context->max.lat - context->min.lat); |
292 | double width = hscale * (context->max.lon - context->min.lon); |
293 | |
294 | pos_dist_entry_set(context->extent.width, width, context->extent.is_mil); |
295 | pos_dist_entry_set(context->extent.height, height, context->extent.is_mil); |
296 | } |
297 | |
298 | static void callback_modified_direct(GtkWidget *widget, gpointer data) { |
299 | context_t *context = (context_t*)data; |
300 | |
301 | /* direct is second tab (page 1) */ |
302 | if(!current_tab_is(context, -1, TAB_LABEL_DIRECT)) |
303 | return; |
304 | |
305 | /* parse the fields from the direct entry pad */ |
306 | parse_and_set_lat(context->direct.minlat, &context->min.lat); |
307 | parse_and_set_lon(context->direct.minlon, &context->min.lon); |
308 | parse_and_set_lat(context->direct.maxlat, &context->max.lat); |
309 | parse_and_set_lon(context->direct.maxlon, &context->max.lon); |
310 | |
311 | area_main_update(context); |
312 | |
313 | /* also adjust other views */ |
314 | extent_update(context); |
315 | #ifdef ENABLE_OSM_GPS_MAP |
316 | map_update(context, FALSE); |
317 | #endif |
318 | } |
319 | |
320 | static void callback_modified_extent(GtkWidget *widget, gpointer data) { |
321 | context_t *context = (context_t*)data; |
322 | |
323 | /* extent is third tab (page 2) */ |
324 | if(!current_tab_is(context, -1, TAB_LABEL_EXTENT)) |
325 | return; |
326 | |
327 | pos_float_t center_lat = pos_lat_get(context->extent.lat); |
328 | pos_float_t center_lon = pos_lon_get(context->extent.lon); |
329 | |
330 | if(!pos_lat_valid(center_lat) || !pos_lon_valid(center_lon)) |
331 | return; |
332 | |
333 | double vscale = DEG2RAD(POS_EQ_RADIUS / 1000.0); |
334 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS / 1000.0); |
335 | |
336 | double height = pos_dist_get(context->extent.height, context->extent.is_mil); |
337 | double width = pos_dist_get(context->extent.width, context->extent.is_mil); |
338 | |
339 | height /= 2 * vscale; |
340 | context->min.lat = center_lat - height; |
341 | context->max.lat = center_lat + height; |
342 | |
343 | width /= 2 * hscale; |
344 | context->min.lon = center_lon - width; |
345 | context->max.lon = center_lon + width; |
346 | |
347 | area_main_update(context); |
348 | |
349 | /* also update other tabs */ |
350 | direct_update(context); |
351 | #ifdef ENABLE_OSM_GPS_MAP |
352 | map_update(context, FALSE); |
353 | #endif |
354 | } |
355 | |
356 | static void callback_modified_unit(GtkWidget *widget, gpointer data) { |
357 | context_t *context = (context_t*)data; |
358 | |
359 | /* get current values */ |
360 | double height = pos_dist_get(context->extent.height, context->extent.is_mil); |
361 | double width = pos_dist_get(context->extent.width, context->extent.is_mil); |
362 | |
363 | /* adjust unit flag */ |
364 | context->extent.is_mil = gtk_combo_box_get_active( |
365 | GTK_COMBO_BOX(context->extent.mil_km)) == 0; |
366 | |
367 | /* save values */ |
368 | pos_dist_entry_set(context->extent.width, width, context->extent.is_mil); |
369 | pos_dist_entry_set(context->extent.height, height, context->extent.is_mil); |
370 | } |
371 | |
372 | #ifdef HAS_MAEMO_MAPPER |
373 | static void callback_fetch_mm_clicked(GtkButton *button, gpointer data) { |
374 | context_t *context = (context_t*)data; |
375 | |
376 | if(!dbus_mm_set_position(context->area->appdata->osso_context, NULL)) { |
377 | errorf(context->dialog, |
378 | _("Unable to communicate with Maemo Mapper. " |
379 | "You need to have Maemo Mapper installed " |
380 | "to use this feature.")); |
381 | return; |
382 | } |
383 | |
384 | if(!context->area->appdata->mmpos.valid) { |
385 | errorf(context->dialog, |
386 | _("No valid position received yet. You need " |
387 | "to scroll or zoom the Maemo Mapper view " |
388 | "in order to force it to send its current " |
389 | "view position to osm2go.")); |
390 | return; |
391 | } |
392 | |
393 | /* maemo mapper is fourth tab (page 3) */ |
394 | if(!current_tab_is(context, -1, TAB_LABEL_MM)) |
395 | return; |
396 | |
397 | /* maemo mapper pos data ... */ |
398 | pos_float_t center_lat = context->area->appdata->mmpos.pos.lat; |
399 | pos_float_t center_lon = context->area->appdata->mmpos.pos.lon; |
400 | int zoom = context->area->appdata->mmpos.zoom; |
401 | |
402 | if(!pos_lat_valid(center_lat) || !pos_lon_valid(center_lon)) |
403 | return; |
404 | |
405 | double vscale = DEG2RAD(POS_EQ_RADIUS); |
406 | double height = 8 * (1<<zoom) / vscale; |
407 | context->min.lat = center_lat - height; |
408 | context->max.lat = center_lat + height; |
409 | |
410 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS); |
411 | double width = 16 * (1<<zoom) / hscale; |
412 | context->min.lon = center_lon - width; |
413 | context->max.lon = center_lon + width; |
414 | |
415 | area_main_update(context); |
416 | |
417 | /* also update other tabs */ |
418 | direct_update(context); |
419 | extent_update(context); |
420 | #ifdef ENABLE_OSM_GPS_MAP |
421 | map_update(context, FALSE); |
422 | #endif |
423 | } |
424 | #endif |
425 | |
426 | #ifdef ENABLE_OSM_GPS_MAP |
427 | |
428 | static gboolean |
429 | on_map_button_press_event(GtkWidget *widget, |
430 | GdkEventButton *event, context_t *context) { |
431 | OsmGpsMap *map = OSM_GPS_MAP(context->map.widget); |
432 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
433 | |
434 | /* osm-gps-map needs this event to handle the OSD */ |
435 | if(osd->check(osd, TRUE, (int)event->x, (int)event->y)) |
436 | return FALSE; |
437 | |
438 | /* remove existing marker */ |
439 | osm_gps_map_clear_tracks(map); |
440 | |
441 | /* and remember this location as the start */ |
442 | context->map.start = |
443 | osm_gps_map_get_co_ordinates(map, (int)event->x, (int)event->y); |
444 | |
445 | return TRUE; |
446 | } |
447 | |
448 | static gboolean |
449 | on_map_motion_notify_event(GtkWidget *widget, |
450 | GdkEventMotion *event, context_t *context) { |
451 | if(!isnan(context->map.start.rlon) && |
452 | !isnan(context->map.start.rlat)) { |
453 | OsmGpsMap *map = OSM_GPS_MAP(context->map.widget); |
454 | |
455 | /* remove existing marker */ |
456 | osm_gps_map_clear_tracks(map); |
457 | |
458 | coord_t start = context->map.start, end = |
459 | osm_gps_map_get_co_ordinates(map, (int)event->x, (int)event->y); |
460 | |
461 | GSList *box = pos_append_rad(NULL, start.rlat, start.rlon); |
462 | box = pos_append_rad(box, end.rlat, start.rlon); |
463 | box = pos_append_rad(box, end.rlat, end.rlon); |
464 | box = pos_append_rad(box, start.rlat, end.rlon); |
465 | box = pos_append_rad(box, start.rlat, start.rlon); |
466 | |
467 | osm_gps_map_add_track(map, box); |
468 | } |
469 | |
470 | /* always returning true here disables dragging in osm-gps-map */ |
471 | return TRUE; |
472 | } |
473 | |
474 | static gboolean |
475 | on_map_button_release_event(GtkWidget *widget, |
476 | GdkEventButton *event, context_t *context) { |
477 | |
478 | OsmGpsMap *map = OSM_GPS_MAP(context->map.widget); |
479 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
480 | |
481 | if(!isnan(context->map.start.rlon) && |
482 | !isnan(context->map.start.rlat)) { |
483 | |
484 | coord_t start = context->map.start, end = |
485 | osm_gps_map_get_co_ordinates(map, (int)event->x, (int)event->y); |
486 | |
487 | GSList *box = pos_append_rad(NULL, start.rlat, start.rlon); |
488 | box = pos_append_rad(box, end.rlat, start.rlon); |
489 | box = pos_append_rad(box, end.rlat, end.rlon); |
490 | box = pos_append_rad(box, start.rlat, end.rlon); |
491 | box = pos_append_rad(box, start.rlat, start.rlon); |
492 | |
493 | osm_gps_map_add_track(map, box); |
494 | |
495 | if(start.rlat < end.rlat) { |
496 | context->min.lat = RAD2DEG(start.rlat); |
497 | context->max.lat = RAD2DEG(end.rlat); |
498 | } else { |
499 | context->min.lat = RAD2DEG(end.rlat); |
500 | context->max.lat = RAD2DEG(start.rlat); |
501 | } |
502 | |
503 | if(start.rlon < end.rlon) { |
504 | context->min.lon = RAD2DEG(start.rlon); |
505 | context->max.lon = RAD2DEG(end.rlon); |
506 | } else { |
507 | context->min.lon = RAD2DEG(end.rlon); |
508 | context->max.lon = RAD2DEG(start.rlon); |
509 | } |
510 | |
511 | area_main_update(context); |
512 | direct_update(context); |
513 | extent_update(context); |
514 | |
515 | context->map.start.rlon = context->map.start.rlat = NAN; |
516 | } |
517 | |
518 | /* osm-gps-map needs this event to handle the OSD */ |
519 | if(osd->check(osd, TRUE, (int)event->x, (int)event->y)) |
520 | return FALSE; |
521 | |
522 | return TRUE; |
523 | } |
524 | |
525 | static void |
526 | cb_map_gps(osd_button_t but, context_t *context) { |
527 | if(but == OSD_GPS) { |
528 | pos_t pos; |
529 | |
530 | /* user clicked "gps" button -> jump to position */ |
531 | gboolean gps_on = |
532 | context->area->appdata->settings && |
533 | context->area->appdata->settings->enable_gps; |
534 | |
535 | if(gps_on && gps_get_pos(context->area->appdata, &pos, NULL)) { |
536 | osm_gps_map_set_center(OSM_GPS_MAP(context->map.widget), |
537 | pos.lat, pos.lon); |
538 | |
539 | /* re-enable centering */ |
540 | g_object_set(context->map.widget, "auto-center", TRUE, NULL); |
541 | } |
542 | } |
543 | } |
544 | |
545 | static void on_page_switch(GtkNotebook *notebook, GtkNotebookPage *page, |
546 | guint page_num, context_t *context) { |
547 | |
548 | /* updating the map while the user manually changes some coordinates */ |
549 | /* may confuse the map. so we delay those updates until the map tab */ |
550 | /* is becoming visible */ |
551 | if(current_tab_is(context, page_num, TAB_LABEL_MAP) && |
552 | context->map.needs_redraw) |
553 | map_update(context, TRUE); |
554 | } |
555 | |
556 | static gboolean map_gps_update(gpointer data) { |
557 | context_t *context = (context_t*)data; |
558 | |
559 | gboolean gps_on = |
560 | context->area->appdata->settings && |
561 | context->area->appdata->settings->enable_gps; |
562 | |
563 | pos_t pos = { NAN, NAN }; |
564 | gboolean gps_fix = gps_on && |
565 | gps_get_pos(context->area->appdata, &pos, NULL); |
566 | |
567 | /* ... and enable "goto" button if it's valid */ |
568 | osm_gps_map_osd_enable_gps(OSM_GPS_MAP(context->map.widget), |
569 | OSM_GPS_MAP_OSD_CALLBACK(gps_fix?cb_map_gps:NULL), context); |
570 | |
571 | if(gps_fix) { |
572 | g_object_set(context->map.widget, "gps-track-highlight-radius", 0, NULL); |
573 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->map.widget), |
574 | pos.lat, pos.lon, NAN); |
575 | } else |
576 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->map.widget)); |
577 | |
578 | return TRUE; |
579 | } |
580 | |
581 | #endif |
582 | |
583 | gboolean area_edit(area_edit_t *area) { |
584 | GtkWidget *vbox; |
585 | GdkColor color; |
586 | gdk_color_parse("red", &color); |
587 | |
588 | context_t context; |
589 | memset(&context, 0, sizeof(context_t)); |
590 | context.area = area; |
591 | context.min.lat = area->min->lat; |
592 | context.min.lon = area->min->lon; |
593 | context.max.lat = area->max->lat; |
594 | context.max.lon = area->max->lon; |
595 | |
596 | context.dialog = |
597 | misc_dialog_new(MISC_DIALOG_HIGH, _("Area editor"), |
598 | GTK_WINDOW(area->parent), |
599 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, |
600 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, |
601 | NULL); |
602 | |
603 | GtkWidget *table = gtk_table_new(5, 2, FALSE); // x, y |
604 | |
605 | GtkWidget *label = gtk_label_new(_("Latitude:")); |
606 | misc_table_attach(table, label, 0, 0); |
607 | context.minlat = pos_lat_label_new(area->min->lat); |
608 | misc_table_attach(table, context.minlat, 1, 0); |
609 | label = gtk_label_new(_("to")); |
610 | misc_table_attach(table, label, 2, 0); |
611 | context.maxlat = pos_lat_label_new(area->max->lat); |
612 | misc_table_attach(table, context.maxlat, 3, 0); |
613 | |
614 | label = gtk_label_new(_("Longitude:")); |
615 | misc_table_attach(table, label, 0, 1); |
616 | context.minlon = pos_lon_label_new(area->min->lon); |
617 | misc_table_attach(table, context.minlon, 1, 1); |
618 | label = gtk_label_new(_("to")); |
619 | misc_table_attach(table, label, 2, 1); |
620 | context.maxlon = pos_lon_label_new(area->max->lon); |
621 | misc_table_attach(table, context.maxlon, 3, 1); |
622 | |
623 | context.warning = gtk_button_new(); |
624 | gtk_button_set_image(GTK_BUTTON(context.warning), |
625 | gtk_image_new_from_stock(GTK_STOCK_DIALOG_WARNING, |
626 | GTK_ICON_SIZE_BUTTON)); |
627 | g_signal_connect(context.warning, "clicked", |
628 | G_CALLBACK(on_area_warning_clicked), &context); |
629 | gtk_table_attach_defaults(GTK_TABLE(table), context.warning, 4, 5, 0, 2); |
630 | |
631 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(context.dialog)->vbox), |
632 | table, FALSE, FALSE, 0); |
633 | |
634 | context.notebook = gtk_notebook_new(); |
635 | |
636 | #ifdef ENABLE_OSM_GPS_MAP |
637 | /* ------------- fetch from map ------------------------ */ |
638 | |
639 | context.map.needs_redraw = FALSE; |
640 | context.map.widget = g_object_new(OSM_TYPE_GPS_MAP, |
641 | "map-source", OSM_GPS_MAP_SOURCE_OPENSTREETMAP, |
642 | "proxy-uri", misc_get_proxy_uri(area->settings), |
643 | "auto-center", FALSE, |
644 | "tile-cache", NULL, |
645 | NULL); |
646 | |
647 | osm_gps_map_osd_classic_init(OSM_GPS_MAP(context.map.widget)); |
648 | |
649 | g_signal_connect(G_OBJECT(context.map.widget), "configure-event", |
650 | G_CALLBACK(on_map_configure), &context); |
651 | g_signal_connect(G_OBJECT(context.map.widget), "button-press-event", |
652 | G_CALLBACK(on_map_button_press_event), &context); |
653 | g_signal_connect(G_OBJECT(context.map.widget), "motion-notify-event", |
654 | G_CALLBACK(on_map_motion_notify_event), &context); |
655 | g_signal_connect(G_OBJECT(context.map.widget), "button-release-event", |
656 | G_CALLBACK(on_map_button_release_event), &context); |
657 | |
658 | /* install handler for timed updates of the gps button */ |
659 | context.map.handler_id = gtk_timeout_add(1000, map_gps_update, &context); |
660 | context.map.start.rlon = context.map.start.rlat = NAN; |
661 | |
662 | gtk_notebook_append_page(GTK_NOTEBOOK(context.notebook), |
663 | context.map.widget, gtk_label_new(_(TAB_LABEL_MAP))); |
664 | #endif |
665 | |
666 | /* ------------ direct min/max edit --------------- */ |
667 | |
668 | vbox = gtk_vbox_new(FALSE, 10); |
669 | table = gtk_table_new(3, 4, FALSE); // x, y |
670 | gtk_table_set_col_spacings(GTK_TABLE(table), 10); |
671 | gtk_table_set_row_spacings(GTK_TABLE(table), 5); |
672 | |
673 | context.direct.minlat = pos_lat_entry_new(0.0); |
674 | misc_table_attach(table, context.direct.minlat, 0, 0); |
675 | label = gtk_label_new(_("to")); |
676 | misc_table_attach(table, label, 1, 0); |
677 | context.direct.maxlat = pos_lat_entry_new(0.0); |
678 | misc_table_attach(table, context.direct.maxlat, 2, 0); |
679 | |
680 | context.direct.minlon = pos_lon_entry_new(area->min->lon); |
681 | misc_table_attach(table, context.direct.minlon, 0, 1); |
682 | label = gtk_label_new(_("to")); |
683 | misc_table_attach(table, label, 1, 1); |
684 | context.direct.maxlon = pos_lon_entry_new(0.0); |
685 | misc_table_attach(table, context.direct.maxlon, 2, 1); |
686 | |
687 | /* setup this page */ |
688 | direct_update(&context); |
689 | |
690 | g_signal_connect(G_OBJECT(context.direct.minlat), "changed", |
691 | G_CALLBACK(callback_modified_direct), &context); |
692 | g_signal_connect(G_OBJECT(context.direct.minlon), "changed", |
693 | G_CALLBACK(callback_modified_direct), &context); |
694 | g_signal_connect(G_OBJECT(context.direct.maxlat), "changed", |
695 | G_CALLBACK(callback_modified_direct), &context); |
696 | g_signal_connect(G_OBJECT(context.direct.maxlon), "changed", |
697 | G_CALLBACK(callback_modified_direct), &context); |
698 | |
699 | |
700 | /* --- hint --- */ |
701 | label = gtk_label_new(_("(recommended min/max diff <0.03 degrees)")); |
702 | gtk_table_attach_defaults(GTK_TABLE(table), label, 0, 3, 2, 3); |
703 | |
704 | /* error label */ |
705 | context.direct.error = gtk_label_new(""); |
706 | gtk_widget_modify_fg(context.direct.error, GTK_STATE_NORMAL, &color); |
707 | gtk_table_attach_defaults(GTK_TABLE(table), context.direct.error, 0, 3, 3, 4); |
708 | |
709 | gtk_box_pack_start(GTK_BOX(vbox), table, FALSE, FALSE, 0); |
710 | gtk_notebook_append_page(GTK_NOTEBOOK(context.notebook), |
711 | vbox, gtk_label_new(_(TAB_LABEL_DIRECT))); |
712 | |
713 | /* ------------- center/extent edit ------------------------ */ |
714 | |
715 | vbox = gtk_vbox_new(FALSE, 10); |
716 | table = gtk_table_new(3, 5, FALSE); // x, y |
717 | gtk_table_set_col_spacings(GTK_TABLE(table), 10); |
718 | gtk_table_set_row_spacings(GTK_TABLE(table), 5); |
719 | |
720 | label = gtk_label_new(_("Center:")); |
721 | gtk_misc_set_alignment(GTK_MISC(label), 1.f, 0.5f); |
722 | gtk_table_attach_defaults(GTK_TABLE(table), label, 0, 1, 0, 1); |
723 | context.extent.lat = pos_lat_entry_new(0.0); |
724 | gtk_table_attach_defaults(GTK_TABLE(table), context.extent.lat, 1, 2, 0, 1); |
725 | context.extent.lon = pos_lon_entry_new(0.0); |
726 | gtk_table_attach_defaults(GTK_TABLE(table), context.extent.lon, 2, 3, 0, 1); |
727 | |
728 | gtk_table_set_row_spacing(GTK_TABLE(table), 0, 10); |
729 | |
730 | label = gtk_label_new(_("Width:")); |
731 | gtk_misc_set_alignment(GTK_MISC(label), 1.f, 0.5f); |
732 | gtk_table_attach_defaults(GTK_TABLE(table), label, 0, 1, 1, 2); |
733 | context.extent.width = gtk_entry_new(); |
734 | gtk_table_attach_defaults(GTK_TABLE(table), context.extent.width, 1, 2, 1, 2); |
735 | |
736 | label = gtk_label_new(_("Height:")); |
737 | gtk_misc_set_alignment(GTK_MISC(label), 1.f, 0.5f); |
738 | gtk_table_attach_defaults(GTK_TABLE(table), label, 0, 1, 2, 3); |
739 | context.extent.height = gtk_entry_new(); |
740 | gtk_table_attach_defaults(GTK_TABLE(table), |
741 | context.extent.height, 1, 2, 2, 3); |
742 | |
743 | context.extent.mil_km = gtk_combo_box_new_text(); |
744 | gtk_combo_box_append_text(GTK_COMBO_BOX(context.extent.mil_km), _("mi")); |
745 | gtk_combo_box_append_text(GTK_COMBO_BOX(context.extent.mil_km), _("km")); |
746 | gtk_combo_box_set_active(GTK_COMBO_BOX(context.extent.mil_km), 1); // km |
747 | |
748 | gtk_table_attach(GTK_TABLE(table), context.extent.mil_km, 2, 3, 1, 3, |
749 | 0, 0, 0, 0); |
750 | |
751 | /* setup this page */ |
752 | extent_update(&context); |
753 | |
754 | /* connect signals after inital update to avoid confusion */ |
755 | g_signal_connect(G_OBJECT(context.extent.lat), "changed", |
756 | G_CALLBACK(callback_modified_extent), &context); |
757 | g_signal_connect(G_OBJECT(context.extent.lon), "changed", |
758 | G_CALLBACK(callback_modified_extent), &context); |
759 | g_signal_connect(G_OBJECT(context.extent.width), "changed", |
760 | G_CALLBACK(callback_modified_extent), &context); |
761 | g_signal_connect(G_OBJECT(context.extent.height), "changed", |
762 | G_CALLBACK(callback_modified_extent), &context); |
763 | g_signal_connect(G_OBJECT(context.extent.mil_km), "changed", |
764 | G_CALLBACK(callback_modified_unit), &context); |
765 | |
766 | /* --- hint --- */ |
767 | label = gtk_label_new(_("(recommended width/height < 2km/1.25mi)")); |
768 | gtk_table_attach_defaults(GTK_TABLE(table), label, 0, 3, 3, 4); |
769 | |
770 | /* error label */ |
771 | context.extent.error = gtk_label_new(""); |
772 | gtk_widget_modify_fg(context.extent.error, GTK_STATE_NORMAL, &color); |
773 | gtk_table_attach_defaults(GTK_TABLE(table), context.extent.error, 0, 3, 4, 5); |
774 | |
775 | gtk_box_pack_start(GTK_BOX(vbox), table, FALSE, FALSE, 0); |
776 | gtk_notebook_append_page(GTK_NOTEBOOK(context.notebook), |
777 | vbox, gtk_label_new(_(TAB_LABEL_EXTENT))); |
778 | |
779 | #ifdef HAS_MAEMO_MAPPER |
780 | /* ------------- fetch from maemo mapper ------------------------ */ |
781 | |
782 | vbox = gtk_vbox_new(FALSE, 8); |
783 | context.mmapper.fetch = |
784 | gtk_button_new_with_label(_("Get from Maemo Mapper")); |
785 | gtk_box_pack_start(GTK_BOX(vbox), context.mmapper.fetch, FALSE, FALSE, 0); |
786 | |
787 | g_signal_connect(G_OBJECT(context.mmapper.fetch), "clicked", |
788 | G_CALLBACK(callback_fetch_mm_clicked), &context); |
789 | |
790 | /* --- hint --- */ |
791 | label = gtk_label_new(_("(recommended MM zoom level < 7)")); |
792 | gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0); |
793 | |
794 | |
795 | gtk_notebook_append_page(GTK_NOTEBOOK(context.notebook), |
796 | vbox, gtk_label_new(_(TAB_LABEL_MM))); |
797 | #endif |
798 | |
799 | /* ------------------------------------------------------ */ |
800 | |
801 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context.dialog)->vbox), |
802 | context.notebook); |
803 | |
804 | #ifdef ENABLE_OSM_GPS_MAP |
805 | g_signal_connect(G_OBJECT(context.notebook), "switch-page", |
806 | G_CALLBACK(on_page_switch), &context); |
807 | #endif |
808 | |
809 | gtk_widget_show_all(context.dialog); |
810 | |
811 | area_main_update(&context); |
812 | |
813 | gboolean leave = FALSE, ok = FALSE; |
814 | do { |
815 | if(GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(context.dialog))) { |
816 | if(area_warning(&context)) { |
817 | leave = TRUE; |
818 | ok = TRUE; |
819 | } |
820 | } else |
821 | leave = TRUE; |
822 | } while(!leave); |
823 | |
824 | if(ok) { |
825 | /* copy modified values back to given storage */ |
826 | area->min->lat = context.min.lat; |
827 | area->min->lon = context.min.lon; |
828 | area->max->lat = context.max.lat; |
829 | area->max->lon = context.max.lon; |
830 | } |
831 | |
832 | #ifdef ENABLE_OSM_GPS_MAP |
833 | gtk_timeout_remove(context.map.handler_id); |
834 | #endif |
835 | |
836 | gtk_widget_destroy(context.dialog); |
837 | |
838 | return ok; |
839 | } |