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Liblocation event handling changed
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 | #define TAB_LABEL_MM "Maemo Mapper" |
31 | |
32 | /* limit of square kilometers above the warning is enabled */ |
33 | #define WARN_OVER 5.0 |
34 | |
35 | typedef struct { |
36 | GtkWidget *dialog, *notebook; |
37 | area_edit_t *area; |
38 | pos_t min, max; /* local copy to work on */ |
39 | GtkWidget *minlat, *maxlat, *minlon, *maxlon; |
40 | GtkWidget *warning; |
41 | |
42 | struct { |
43 | GtkWidget *minlat, *maxlat, *minlon, *maxlon; |
44 | GtkWidget *error; |
45 | } direct; |
46 | |
47 | struct { |
48 | GtkWidget *lat, *lon, *height, *width, *mil_km; |
49 | gboolean is_mil; |
50 | GtkWidget *error; |
51 | } extent; |
52 | |
53 | #ifdef USE_HILDON |
54 | struct { |
55 | GtkWidget *fetch; |
56 | } mmapper; |
57 | #endif |
58 | |
59 | #ifdef ENABLE_OSM_GPS_MAP |
60 | struct { |
61 | GtkWidget *widget; |
62 | gboolean needs_redraw; |
63 | gint handler_id; |
64 | coord_t start; |
65 | } map; |
66 | #endif |
67 | } context_t; |
68 | |
69 | static void parse_and_set_lat(GtkWidget *src, pos_float_t *store) { |
70 | pos_float_t i = pos_parse_lat((char*)gtk_entry_get_text(GTK_ENTRY(src))); |
71 | if(pos_lat_valid(i)) |
72 | *store = i; |
73 | } |
74 | |
75 | static void parse_and_set_lon(GtkWidget *src, pos_float_t *store) { |
76 | pos_float_t i = pos_parse_lon((char*)gtk_entry_get_text(GTK_ENTRY(src))); |
77 | if(pos_lon_valid(i)) |
78 | *store = i; |
79 | } |
80 | |
81 | static gboolean current_tab_is(context_t *context, gint page_num, char *str) { |
82 | if(page_num < 0) |
83 | page_num = |
84 | gtk_notebook_get_current_page(GTK_NOTEBOOK(context->notebook)); |
85 | |
86 | if(page_num < 0) return FALSE; |
87 | |
88 | GtkWidget *w = |
89 | gtk_notebook_get_nth_page(GTK_NOTEBOOK(context->notebook), page_num); |
90 | const char *name = |
91 | gtk_notebook_get_tab_label_text(GTK_NOTEBOOK(context->notebook), w); |
92 | |
93 | return(strcasecmp(name, _(str)) == 0); |
94 | } |
95 | |
96 | static char *warn_text(context_t *context) { |
97 | /* compute area size */ |
98 | pos_float_t center_lat = (context->max.lat + context->min.lat)/2; |
99 | double vscale = DEG2RAD(POS_EQ_RADIUS / 1000.0); |
100 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS / 1000.0); |
101 | |
102 | double area = vscale * (context->max.lat - context->min.lat) * |
103 | hscale * (context->max.lon - context->min.lon); |
104 | |
105 | return g_strdup_printf( |
106 | _("The currently selected area is %.02f km² (%.02f mi²) in size. " |
107 | "This is more than the recommended %.02f km² (%.02f mi²).\n\n" |
108 | "Continuing may result in a big or failing download and low " |
109 | "mapping performance in a densly mapped area (e.g. cities)!"), |
110 | area, area/(KMPMIL*KMPMIL), |
111 | WARN_OVER, WARN_OVER/(KMPMIL*KMPMIL) |
112 | ); |
113 | } |
114 | |
115 | static void on_area_warning_clicked(GtkButton *button, gpointer data) { |
116 | context_t *context = (context_t*)data; |
117 | |
118 | char *wtext = warn_text(context); |
119 | warningf(context->dialog, wtext); |
120 | g_free(wtext); |
121 | } |
122 | |
123 | static gboolean area_warning(context_t *context) { |
124 | gboolean ret = TRUE; |
125 | |
126 | /* check if area size exceeds recommended values */ |
127 | pos_float_t center_lat = (context->max.lat + context->min.lat)/2; |
128 | double vscale = DEG2RAD(POS_EQ_RADIUS / 1000.0); |
129 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS / 1000.0); |
130 | |
131 | double area = vscale * (context->max.lat - context->min.lat) * |
132 | hscale * (context->max.lon - context->min.lon); |
133 | |
134 | if(area > WARN_OVER) { |
135 | char *wtext = warn_text(context); |
136 | |
137 | ret = yes_no_f(context->dialog, context->area->appdata, |
138 | MISC_AGAIN_ID_AREA_TOO_BIG, MISC_AGAIN_FLAG_DONT_SAVE_NO, |
139 | _("Area size warning!"), |
140 | _("%s Do you really want to continue?"), wtext); |
141 | |
142 | g_free(wtext); |
143 | } |
144 | |
145 | return ret; |
146 | } |
147 | |
148 | static void area_main_update(context_t *context) { |
149 | pos_lat_label_set(context->minlat, context->min.lat); |
150 | pos_lat_label_set(context->maxlat, context->max.lat); |
151 | pos_lon_label_set(context->minlon, context->min.lon); |
152 | pos_lon_label_set(context->maxlon, context->max.lon); |
153 | |
154 | /* also setup the local error messages here, so they are */ |
155 | /* updated for all entries at once */ |
156 | if(context->min.lat >= context->max.lat || |
157 | context->min.lon >= context->max.lon) { |
158 | gtk_label_set(GTK_LABEL(context->direct.error), |
159 | _("\"From\" must be smaller than \"to\" value!")); |
160 | gtk_label_set(GTK_LABEL(context->extent.error), |
161 | _("Extents must be positive!")); |
162 | |
163 | gtk_dialog_set_response_sensitive(GTK_DIALOG(context->dialog), |
164 | GTK_RESPONSE_ACCEPT, FALSE); |
165 | |
166 | } else { |
167 | gtk_label_set(GTK_LABEL(context->direct.error), ""); |
168 | gtk_label_set(GTK_LABEL(context->extent.error), ""); |
169 | |
170 | gtk_dialog_set_response_sensitive(GTK_DIALOG(context->dialog), |
171 | GTK_RESPONSE_ACCEPT, TRUE); |
172 | } |
173 | |
174 | /* check if area size exceeds recommended values */ |
175 | pos_float_t center_lat = (context->max.lat + context->min.lat)/2; |
176 | double vscale = DEG2RAD(POS_EQ_RADIUS / 1000.0); |
177 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS / 1000.0); |
178 | |
179 | double area = vscale * (context->max.lat - context->min.lat) * |
180 | hscale * (context->max.lon - context->min.lon); |
181 | |
182 | if(area > WARN_OVER) |
183 | gtk_widget_show(context->warning); |
184 | else |
185 | gtk_widget_hide(context->warning); |
186 | } |
187 | |
188 | #ifdef ENABLE_OSM_GPS_MAP |
189 | #define LOG2(x) (log(x) / log(2)) |
190 | |
191 | static GSList *pos_append_rad(GSList *list, pos_float_t lat, pos_float_t lon) { |
192 | coord_t *coo = g_new0(coord_t, 1); |
193 | coo->rlat = lat; |
194 | coo->rlon = lon; |
195 | list = g_slist_append(list, coo); |
196 | return list; |
197 | } |
198 | |
199 | static GSList *pos_append(GSList *list, pos_float_t lat, pos_float_t lon) { |
200 | return pos_append_rad(list, DEG2RAD(lat), DEG2RAD(lon)); |
201 | } |
202 | |
203 | /* the contents of the map tab have been changed */ |
204 | static void map_update(context_t *context, gboolean forced) { |
205 | |
206 | /* map is first tab (page 0) */ |
207 | if(!forced && !current_tab_is(context, -1, TAB_LABEL_MAP)) { |
208 | context->map.needs_redraw = TRUE; |
209 | return; |
210 | } |
211 | |
212 | /* check if the position is invalid */ |
213 | if(isnan(context->min.lat) || isnan(context->min.lon) || |
214 | isnan(context->min.lat) || isnan(context->min.lon)) { |
215 | |
216 | /* no coordinates given: display the entire world */ |
217 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->map.widget), |
218 | 0.0, 0.0, 1); |
219 | |
220 | osm_gps_map_clear_tracks(OSM_GPS_MAP(context->map.widget)); |
221 | } else { |
222 | |
223 | pos_float_t center_lat = (context->max.lat + context->min.lat)/2; |
224 | pos_float_t center_lon = (context->max.lon + context->min.lon)/2; |
225 | |
226 | /* we know the widgets pixel size, we know the required real size, */ |
227 | /* we want the zoom! */ |
228 | double vzoom = LOG2((45.0 * context->map.widget->allocation.height)/ |
229 | ((context->max.lat - context->min.lat)*32.0)) -1; |
230 | |
231 | double hzoom = LOG2((45.0 * context->map.widget->allocation.width)/ |
232 | ((context->max.lon - context->min.lon)*32.0)) -1; |
233 | |
234 | osm_gps_map_set_center(OSM_GPS_MAP(context->map.widget), |
235 | center_lat, center_lon); |
236 | |
237 | /* use smallest zoom, so everything fits on screen */ |
238 | osm_gps_map_set_zoom(OSM_GPS_MAP(context->map.widget), |
239 | (vzoom < hzoom)?vzoom:hzoom); |
240 | |
241 | /* ---------- draw border (as a gps track) -------------- */ |
242 | osm_gps_map_clear_tracks(OSM_GPS_MAP(context->map.widget)); |
243 | |
244 | if(context->max.lat > context->min.lat && |
245 | context->max.lon > context->min.lon) { |
246 | GSList *box = pos_append(NULL, context->min.lat, context->min.lon); |
247 | box = pos_append(box, context->max.lat, context->min.lon); |
248 | box = pos_append(box, context->max.lat, context->max.lon); |
249 | box = pos_append(box, context->min.lat, context->max.lon); |
250 | box = pos_append(box, context->min.lat, context->min.lon); |
251 | |
252 | osm_gps_map_add_track(OSM_GPS_MAP(context->map.widget), box); |
253 | } |
254 | } |
255 | |
256 | context->map.needs_redraw = FALSE; |
257 | } |
258 | |
259 | static gboolean on_map_configure(GtkWidget *widget, |
260 | GdkEventConfigure *event, |
261 | context_t *context) { |
262 | map_update(context, FALSE); |
263 | return FALSE; |
264 | } |
265 | #endif |
266 | |
267 | /* the contents of the direct tab have been changed */ |
268 | static void direct_update(context_t *context) { |
269 | pos_lat_entry_set(context->direct.minlat, context->min.lat); |
270 | pos_lon_entry_set(context->direct.minlon, context->min.lon); |
271 | pos_lat_entry_set(context->direct.maxlat, context->max.lat); |
272 | pos_lon_entry_set(context->direct.maxlon, context->max.lon); |
273 | } |
274 | |
275 | /* update the contents of the extent tab */ |
276 | static void extent_update(context_t *context) { |
277 | pos_float_t center_lat = (context->max.lat + context->min.lat)/2; |
278 | pos_float_t center_lon = (context->max.lon + context->min.lon)/2; |
279 | |
280 | pos_lat_entry_set(context->extent.lat, center_lat); |
281 | pos_lat_entry_set(context->extent.lon, center_lon); |
282 | |
283 | double vscale = DEG2RAD(POS_EQ_RADIUS / 1000.0); |
284 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS / 1000.0); |
285 | |
286 | double height = vscale * (context->max.lat - context->min.lat); |
287 | double width = hscale * (context->max.lon - context->min.lon); |
288 | |
289 | pos_dist_entry_set(context->extent.width, width, context->extent.is_mil); |
290 | pos_dist_entry_set(context->extent.height, height, context->extent.is_mil); |
291 | } |
292 | |
293 | static void callback_modified_direct(GtkWidget *widget, gpointer data) { |
294 | context_t *context = (context_t*)data; |
295 | |
296 | /* direct is second tab (page 1) */ |
297 | if(!current_tab_is(context, -1, TAB_LABEL_DIRECT)) |
298 | return; |
299 | |
300 | /* parse the fields from the direct entry pad */ |
301 | parse_and_set_lat(context->direct.minlat, &context->min.lat); |
302 | parse_and_set_lon(context->direct.minlon, &context->min.lon); |
303 | parse_and_set_lat(context->direct.maxlat, &context->max.lat); |
304 | parse_and_set_lon(context->direct.maxlon, &context->max.lon); |
305 | |
306 | area_main_update(context); |
307 | |
308 | /* also adjust other views */ |
309 | extent_update(context); |
310 | #ifdef ENABLE_OSM_GPS_MAP |
311 | map_update(context, FALSE); |
312 | #endif |
313 | } |
314 | |
315 | static void callback_modified_extent(GtkWidget *widget, gpointer data) { |
316 | context_t *context = (context_t*)data; |
317 | |
318 | /* extent is third tab (page 2) */ |
319 | if(!current_tab_is(context, -1, TAB_LABEL_EXTENT)) |
320 | return; |
321 | |
322 | pos_float_t center_lat = pos_lat_get(context->extent.lat); |
323 | pos_float_t center_lon = pos_lon_get(context->extent.lon); |
324 | |
325 | if(!pos_lat_valid(center_lat) || !pos_lon_valid(center_lon)) |
326 | return; |
327 | |
328 | double vscale = DEG2RAD(POS_EQ_RADIUS / 1000.0); |
329 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS / 1000.0); |
330 | |
331 | double height = pos_dist_get(context->extent.height, context->extent.is_mil); |
332 | double width = pos_dist_get(context->extent.width, context->extent.is_mil); |
333 | |
334 | height /= 2 * vscale; |
335 | context->min.lat = center_lat - height; |
336 | context->max.lat = center_lat + height; |
337 | |
338 | width /= 2 * hscale; |
339 | context->min.lon = center_lon - width; |
340 | context->max.lon = center_lon + width; |
341 | |
342 | area_main_update(context); |
343 | |
344 | /* also update other tabs */ |
345 | direct_update(context); |
346 | #ifdef ENABLE_OSM_GPS_MAP |
347 | map_update(context, FALSE); |
348 | #endif |
349 | } |
350 | |
351 | static void callback_modified_unit(GtkWidget *widget, gpointer data) { |
352 | context_t *context = (context_t*)data; |
353 | |
354 | /* get current values */ |
355 | double height = pos_dist_get(context->extent.height, context->extent.is_mil); |
356 | double width = pos_dist_get(context->extent.width, context->extent.is_mil); |
357 | |
358 | /* adjust unit flag */ |
359 | context->extent.is_mil = gtk_combo_box_get_active( |
360 | GTK_COMBO_BOX(context->extent.mil_km)) == 0; |
361 | |
362 | /* save values */ |
363 | pos_dist_entry_set(context->extent.width, width, context->extent.is_mil); |
364 | pos_dist_entry_set(context->extent.height, height, context->extent.is_mil); |
365 | } |
366 | |
367 | #ifdef USE_HILDON |
368 | static void callback_fetch_mm_clicked(GtkButton *button, gpointer data) { |
369 | context_t *context = (context_t*)data; |
370 | |
371 | if(!dbus_mm_set_position(context->area->appdata->osso_context, NULL)) { |
372 | errorf(context->dialog, |
373 | _("Unable to communicate with Maemo Mapper. " |
374 | "You need to have Maemo Mapper installed " |
375 | "to use this feature.")); |
376 | return; |
377 | } |
378 | |
379 | if(!context->area->appdata->mmpos.valid) { |
380 | errorf(context->dialog, |
381 | _("No valid position received yet. You need " |
382 | "to scroll or zoom the Maemo Mapper view " |
383 | "in order to force it to send its current " |
384 | "view position to osm2go.")); |
385 | return; |
386 | } |
387 | |
388 | /* maemo mapper is fourth tab (page 3) */ |
389 | if(!current_tab_is(context, -1, TAB_LABEL_MM)) |
390 | return; |
391 | |
392 | /* maemo mapper pos data ... */ |
393 | pos_float_t center_lat = context->area->appdata->mmpos.pos.lat; |
394 | pos_float_t center_lon = context->area->appdata->mmpos.pos.lon; |
395 | int zoom = context->area->appdata->mmpos.zoom; |
396 | |
397 | if(!pos_lat_valid(center_lat) || !pos_lon_valid(center_lon)) |
398 | return; |
399 | |
400 | double vscale = DEG2RAD(POS_EQ_RADIUS); |
401 | double height = 8 * (1<<zoom) / vscale; |
402 | context->min.lat = center_lat - height; |
403 | context->max.lat = center_lat + height; |
404 | |
405 | double hscale = DEG2RAD(cos(DEG2RAD(center_lat)) * POS_EQ_RADIUS); |
406 | double width = 16 * (1<<zoom) / hscale; |
407 | context->min.lon = center_lon - width; |
408 | context->max.lon = center_lon + width; |
409 | |
410 | area_main_update(context); |
411 | |
412 | /* also update other tabs */ |
413 | direct_update(context); |
414 | extent_update(context); |
415 | #ifdef ENABLE_OSM_GPS_MAP |
416 | map_update(context, FALSE); |
417 | #endif |
418 | } |
419 | #endif |
420 | |
421 | #ifdef ENABLE_OSM_GPS_MAP |
422 | |
423 | static gboolean |
424 | on_map_button_press_event(GtkWidget *widget, |
425 | GdkEventButton *event, context_t *context) { |
426 | OsmGpsMap *map = OSM_GPS_MAP(context->map.widget); |
427 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
428 | |
429 | /* osm-gps-map needs this event to handle the OSD */ |
430 | if(osd->check(osd, (int)event->x, (int)event->y)) |
431 | return FALSE; |
432 | |
433 | /* remove existing marker */ |
434 | osm_gps_map_clear_tracks(map); |
435 | |
436 | /* and remember this location as the start */ |
437 | context->map.start = |
438 | osm_gps_map_get_co_ordinates(map, (int)event->x, (int)event->y); |
439 | |
440 | return TRUE; |
441 | } |
442 | |
443 | static gboolean |
444 | on_map_motion_notify_event(GtkWidget *widget, |
445 | GdkEventMotion *event, context_t *context) { |
446 | if(!isnan(context->map.start.rlon) && |
447 | !isnan(context->map.start.rlat)) { |
448 | OsmGpsMap *map = OSM_GPS_MAP(context->map.widget); |
449 | |
450 | /* remove existing marker */ |
451 | osm_gps_map_clear_tracks(map); |
452 | |
453 | coord_t start = context->map.start, end = |
454 | osm_gps_map_get_co_ordinates(map, (int)event->x, (int)event->y); |
455 | |
456 | GSList *box = pos_append_rad(NULL, start.rlat, start.rlon); |
457 | box = pos_append_rad(box, end.rlat, start.rlon); |
458 | box = pos_append_rad(box, end.rlat, end.rlon); |
459 | box = pos_append_rad(box, start.rlat, end.rlon); |
460 | box = pos_append_rad(box, start.rlat, start.rlon); |
461 | |
462 | osm_gps_map_add_track(map, box); |
463 | } |
464 | |
465 | /* always returning true here disables dragging in osm-gps-map */ |
466 | return TRUE; |
467 | } |
468 | |
469 | static gboolean |
470 | on_map_button_release_event(GtkWidget *widget, |
471 | GdkEventButton *event, context_t *context) { |
472 | |
473 | OsmGpsMap *map = OSM_GPS_MAP(context->map.widget); |
474 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
475 | |
476 | if(!isnan(context->map.start.rlon) && |
477 | !isnan(context->map.start.rlat)) { |
478 | |
479 | coord_t start = context->map.start, end = |
480 | osm_gps_map_get_co_ordinates(map, (int)event->x, (int)event->y); |
481 | |
482 | GSList *box = pos_append_rad(NULL, start.rlat, start.rlon); |
483 | box = pos_append_rad(box, end.rlat, start.rlon); |
484 | box = pos_append_rad(box, end.rlat, end.rlon); |
485 | box = pos_append_rad(box, start.rlat, end.rlon); |
486 | box = pos_append_rad(box, start.rlat, start.rlon); |
487 | |
488 | osm_gps_map_add_track(map, box); |
489 | |
490 | if(start.rlat < end.rlat) { |
491 | context->min.lat = RAD2DEG(start.rlat); |
492 | context->max.lat = RAD2DEG(end.rlat); |
493 | } else { |
494 | context->min.lat = RAD2DEG(end.rlat); |
495 | context->max.lat = RAD2DEG(start.rlat); |
496 | } |
497 | |
498 | if(start.rlon < end.rlon) { |
499 | context->min.lon = RAD2DEG(start.rlon); |
500 | context->max.lon = RAD2DEG(end.rlon); |
501 | } else { |
502 | context->min.lon = RAD2DEG(end.rlon); |
503 | context->max.lon = RAD2DEG(start.rlon); |
504 | } |
505 | |
506 | area_main_update(context); |
507 | direct_update(context); |
508 | extent_update(context); |
509 | |
510 | context->map.start.rlon = context->map.start.rlat = NAN; |
511 | } |
512 | |
513 | /* osm-gps-map needs this event to handle the OSD */ |
514 | if(osd->check(osd, (int)event->x, (int)event->y)) |
515 | return FALSE; |
516 | |
517 | return TRUE; |
518 | } |
519 | |
520 | #if 0 |
521 | static void map_zoom(context_t *context, int step) { |
522 | int zoom; |
523 | OsmGpsMap *map = OSM_GPS_MAP(context->map.widget); |
524 | g_object_get(map, "zoom", &zoom, NULL); |
525 | zoom = osm_gps_map_set_zoom(map, zoom+step); |
526 | } |
527 | #endif |
528 | |
529 | static void |
530 | cb_map_gps(osd_button_t but, context_t *context) { |
531 | if(but == OSD_GPS) { |
532 | pos_t pos; |
533 | |
534 | /* user clicked "gps" button -> jump to position */ |
535 | gboolean gps_on = |
536 | context->area->appdata->settings && |
537 | context->area->appdata->settings->enable_gps; |
538 | |
539 | if(gps_on && gps_get_pos(context->area->appdata, &pos, NULL)) { |
540 | osm_gps_map_set_center(OSM_GPS_MAP(context->map.widget), |
541 | pos.lat, pos.lon); |
542 | } |
543 | } |
544 | } |
545 | |
546 | static void on_page_switch(GtkNotebook *notebook, GtkNotebookPage *page, |
547 | guint page_num, context_t *context) { |
548 | |
549 | /* updating the map while the user manually changes some coordinates */ |
550 | /* may confuse the map. so we delay those updates until the map tab */ |
551 | /* is becoming visible */ |
552 | if(current_tab_is(context, page_num, TAB_LABEL_MAP) && |
553 | context->map.needs_redraw) |
554 | map_update(context, TRUE); |
555 | } |
556 | |
557 | static gboolean map_gps_update(gpointer data) { |
558 | context_t *context = (context_t*)data; |
559 | |
560 | gboolean gps_on = |
561 | context->area->appdata->settings && |
562 | context->area->appdata->settings->enable_gps; |
563 | |
564 | pos_t pos = { NAN, NAN }; |
565 | gboolean gps_fix = gps_on && |
566 | gps_get_pos(context->area->appdata, &pos, NULL); |
567 | |
568 | /* ... and enable "goto" button if it's valid */ |
569 | osm_gps_map_osd_enable_gps(OSM_GPS_MAP(context->map.widget), |
570 | OSM_GPS_MAP_OSD_CALLBACK(gps_fix?cb_map_gps:NULL), context); |
571 | |
572 | if(gps_fix) { |
573 | g_object_set(context->map.widget, "gps-track-highlight-radius", 0, NULL); |
574 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->map.widget), |
575 | pos.lat, pos.lon, NAN); |
576 | } else |
577 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->map.widget)); |
578 | |
579 | return TRUE; |
580 | } |
581 | |
582 | #endif |
583 | |
584 | gboolean area_edit(area_edit_t *area) { |
585 | GtkWidget *vbox; |
586 | GdkColor color; |
587 | gdk_color_parse("red", &color); |
588 | |
589 | context_t context; |
590 | memset(&context, 0, sizeof(context_t)); |
591 | context.area = area; |
592 | context.min.lat = area->min->lat; |
593 | context.min.lon = area->min->lon; |
594 | context.max.lat = area->max->lat; |
595 | context.max.lon = area->max->lon; |
596 | |
597 | context.dialog = |
598 | misc_dialog_new(MISC_DIALOG_HIGH, _("Area editor"), |
599 | GTK_WINDOW(area->parent), |
600 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, |
601 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, |
602 | NULL); |
603 | |
604 | GtkWidget *table = gtk_table_new(5, 2, FALSE); // x, y |
605 | |
606 | GtkWidget *label = gtk_label_new(_("Latitude:")); |
607 | misc_table_attach(table, label, 0, 0); |
608 | context.minlat = pos_lat_label_new(area->min->lat); |
609 | misc_table_attach(table, context.minlat, 1, 0); |
610 | label = gtk_label_new(_("to")); |
611 | misc_table_attach(table, label, 2, 0); |
612 | context.maxlat = pos_lat_label_new(area->max->lat); |
613 | misc_table_attach(table, context.maxlat, 3, 0); |
614 | |
615 | label = gtk_label_new(_("Longitude:")); |
616 | misc_table_attach(table, label, 0, 1); |
617 | context.minlon = pos_lon_label_new(area->min->lon); |
618 | misc_table_attach(table, context.minlon, 1, 1); |
619 | label = gtk_label_new(_("to")); |
620 | misc_table_attach(table, label, 2, 1); |
621 | context.maxlon = pos_lon_label_new(area->max->lon); |
622 | misc_table_attach(table, context.maxlon, 3, 1); |
623 | |
624 | context.warning = gtk_button_new(); |
625 | gtk_button_set_image(GTK_BUTTON(context.warning), |
626 | gtk_image_new_from_stock(GTK_STOCK_DIALOG_WARNING, |
627 | GTK_ICON_SIZE_BUTTON)); |
628 | g_signal_connect(context.warning, "clicked", |
629 | G_CALLBACK(on_area_warning_clicked), &context); |
630 | gtk_table_attach_defaults(GTK_TABLE(table), context.warning, 4, 5, 0, 2); |
631 | |
632 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(context.dialog)->vbox), |
633 | table, FALSE, FALSE, 0); |
634 | |
635 | context.notebook = gtk_notebook_new(); |
636 | |
637 | #ifdef ENABLE_OSM_GPS_MAP |
638 | /* ------------- fetch from map ------------------------ */ |
639 | |
640 | context.map.needs_redraw = FALSE; |
641 | context.map.widget = g_object_new(OSM_TYPE_GPS_MAP, |
642 | "map-source", OSM_GPS_MAP_SOURCE_OPENSTREETMAP, |
643 | "proxy-uri", misc_get_proxy_uri(area->settings), |
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 USE_HILDON |
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 | } |