Parent Directory | Revision Log
List handling improved
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 | #include <gdk/gdkkeysyms.h> |
23 | |
24 | |
25 | #undef DESTROY_WAIT_FOR_GTK |
26 | |
27 | static void map_statusbar(map_t *map, map_item_t *map_item) { |
28 | tag_t *tag = OBJECT_TAG(map_item->object); |
29 | |
30 | gboolean collision = FALSE; |
31 | tag_t *tags = tag; |
32 | while(tag) { |
33 | if(info_tag_key_collision(tags, tag)) { |
34 | collision = TRUE; |
35 | break; |
36 | } |
37 | tag = tag->next; |
38 | } |
39 | |
40 | char *str = osm_object_get_name(&map_item->object); |
41 | statusbar_set(map->appdata, str, collision); |
42 | g_free(str); |
43 | } |
44 | |
45 | void map_outside_error(appdata_t *appdata) { |
46 | errorf(GTK_WIDGET(appdata->window), |
47 | _("Items must not be placed outside the working area!")); |
48 | } |
49 | |
50 | void map_item_chain_destroy(map_item_chain_t **chainP) { |
51 | if(!*chainP) { |
52 | printf("nothing to destroy!\n"); |
53 | return; |
54 | } |
55 | |
56 | #ifdef DESTROY_WAIT_FOR_GTK |
57 | map_item_chain_t *chain = *chainP; |
58 | while(chain) { |
59 | map_item_chain_t *next = chain->next; |
60 | canvas_item_destroy(chain->map_item->item); |
61 | chain = next; |
62 | } |
63 | |
64 | /* wait until gtks event handling has actually destroyed this item */ |
65 | printf("waiting for item destruction "); |
66 | while(gtk_events_pending() || *chainP) { |
67 | putchar('.'); |
68 | gtk_main_iteration(); |
69 | } |
70 | printf(" ok\n"); |
71 | |
72 | /* the callback routine connected to this item should have been */ |
73 | /* called by now and it has set the chain to NULL */ |
74 | |
75 | #else |
76 | map_item_chain_t *chain = *chainP; |
77 | while(chain) { |
78 | map_item_chain_t *next = chain->next; |
79 | canvas_item_destroy(chain->map_item->item); |
80 | |
81 | g_free(chain); |
82 | chain = next; |
83 | } |
84 | *chainP = NULL; |
85 | #endif |
86 | } |
87 | |
88 | static void map_node_select(appdata_t *appdata, node_t *node) { |
89 | map_t *map = appdata->map; |
90 | map_item_t *map_item = &map->selected; |
91 | |
92 | g_assert(!map->highlight); |
93 | |
94 | map_item->object.type = NODE; |
95 | map_item->object.node = node; |
96 | map_item->highlight = FALSE; |
97 | |
98 | /* node may not have any visible representation at all */ |
99 | if(node->map_item_chain) |
100 | map_item->item = node->map_item_chain->map_item->item; |
101 | else |
102 | map_item->item = NULL; |
103 | |
104 | map_statusbar(map, map_item); |
105 | icon_bar_map_item_selected(appdata, map_item, TRUE); |
106 | |
107 | /* highlight node */ |
108 | gint x = map_item->object.node->lpos.x, y = map_item->object.node->lpos.y; |
109 | |
110 | /* create a copy of this map item and mark it as being a highlight */ |
111 | map_item_t *new_map_item = g_new0(map_item_t, 1); |
112 | memcpy(new_map_item, map_item, sizeof(map_item_t)); |
113 | new_map_item->highlight = TRUE; |
114 | |
115 | float radius = 0; |
116 | if(node->icon_buf && map->style->icon.enable) { |
117 | gint w = gdk_pixbuf_get_width(map_item->object.node->icon_buf); |
118 | gint h = gdk_pixbuf_get_height(map_item->object.node->icon_buf); |
119 | |
120 | /* icons are technically square, so a radius slightly bigger */ |
121 | /* than sqrt(2)*MAX(w,h) should fit nicely */ |
122 | radius = 0.75 * map->style->icon.scale * MAX(w, h); |
123 | } else { |
124 | radius = map->style->highlight.width + map->style->node.radius; |
125 | if(!node->ways) radius += map->style->node.border_radius; |
126 | } |
127 | |
128 | radius *= map->state->detail; |
129 | |
130 | map_hl_circle_new(map, CANVAS_GROUP_NODES_HL, new_map_item, |
131 | x, y, radius, map->style->highlight.color); |
132 | |
133 | if(!map_item->item) { |
134 | /* and draw a fake node */ |
135 | new_map_item = g_new0(map_item_t, 1); |
136 | memcpy(new_map_item, map_item, sizeof(map_item_t)); |
137 | new_map_item->highlight = TRUE; |
138 | map_hl_circle_new(map, CANVAS_GROUP_NODES_IHL, new_map_item, |
139 | x, y, map->style->node.radius, |
140 | map->style->highlight.node_color); |
141 | } |
142 | } |
143 | |
144 | void map_way_select(appdata_t *appdata, way_t *way) { |
145 | map_t *map = appdata->map; |
146 | map_item_t *map_item = &map->selected; |
147 | |
148 | g_assert(!map->highlight); |
149 | |
150 | map_item->object.type = WAY; |
151 | map_item->object.way = way; |
152 | map_item->highlight = FALSE; |
153 | map_item->item = way->map_item_chain->map_item->item; |
154 | |
155 | map_statusbar(map, map_item); |
156 | icon_bar_map_item_selected(appdata, map_item, TRUE); |
157 | gtk_widget_set_sensitive(appdata->menu_item_map_hide_sel, TRUE); |
158 | |
159 | gint arrow_width = ((map_item->object.way->draw.flags & OSM_DRAW_FLAG_BG)? |
160 | map->style->highlight.width + map_item->object.way->draw.bg.width/2: |
161 | map->style->highlight.width + map_item->object.way->draw.width/2) |
162 | * map->state->detail; |
163 | |
164 | node_chain_t *node_chain = map_item->object.way->node_chain; |
165 | node_t *last = NULL; |
166 | while(node_chain) { |
167 | map_item_t item; |
168 | item.object.type = NODE; |
169 | item.object.node = node_chain->node; |
170 | |
171 | /* draw an arrow between every two nodes */ |
172 | if(last) { |
173 | /* create a new map item for every arrow */ |
174 | map_item_t *new_map_item = g_new0(map_item_t, 1); |
175 | new_map_item->object.type = WAY; |
176 | new_map_item->object.way = way; |
177 | new_map_item->highlight = TRUE; |
178 | |
179 | struct { float x, y;} center, diff; |
180 | center.x = (last->lpos.x + node_chain->node->lpos.x)/2; |
181 | center.y = (last->lpos.y + node_chain->node->lpos.y)/2; |
182 | diff.x = node_chain->node->lpos.x - last->lpos.x; |
183 | diff.y = node_chain->node->lpos.y - last->lpos.y; |
184 | |
185 | /* only draw arrow if there's sufficient space */ |
186 | /* TODO: what if there's not enough space anywhere? */ |
187 | float len = sqrt(pow(diff.x, 2)+pow(diff.y, 2)); |
188 | if(len > map->style->highlight.arrow_limit*arrow_width) { |
189 | len /= arrow_width; |
190 | diff.x = diff.x / len; |
191 | diff.y = diff.y / len; |
192 | |
193 | canvas_points_t *points = canvas_points_new(4); |
194 | points->coords[2*0+0] = points->coords[2*3+0] = center.x + diff.x; |
195 | points->coords[2*0+1] = points->coords[2*3+1] = center.y + diff.y; |
196 | points->coords[2*1+0] = center.x + diff.y - diff.x; |
197 | points->coords[2*1+1] = center.y - diff.x - diff.y; |
198 | points->coords[2*2+0] = center.x - diff.y - diff.x; |
199 | points->coords[2*2+1] = center.y + diff.x - diff.y; |
200 | |
201 | map_hl_polygon_new(map, CANVAS_GROUP_WAYS_DIR, new_map_item, |
202 | points, map->style->highlight.arrow_color); |
203 | |
204 | canvas_points_free(points); |
205 | } |
206 | } |
207 | |
208 | if(!map_hl_item_is_highlighted(map, &item)) { |
209 | |
210 | /* create a new map item for every node */ |
211 | map_item_t *new_map_item = g_new0(map_item_t, 1); |
212 | new_map_item->object.type = NODE; |
213 | new_map_item->object.node = node_chain->node; |
214 | new_map_item->highlight = TRUE; |
215 | |
216 | gint x = node_chain->node->lpos.x; |
217 | gint y = node_chain->node->lpos.y; |
218 | |
219 | map_hl_circle_new(map, CANVAS_GROUP_NODES_IHL, new_map_item, |
220 | x, y, map->style->node.radius * map->state->detail, |
221 | map->style->highlight.node_color); |
222 | } |
223 | |
224 | last = node_chain->node; |
225 | node_chain = node_chain->next; |
226 | } |
227 | |
228 | /* a way needs at least 2 points to be drawn */ |
229 | guint nodes = osm_way_number_of_nodes(way); |
230 | if(nodes > 1) { |
231 | |
232 | /* allocate space for nodes */ |
233 | canvas_points_t *points = canvas_points_new(nodes); |
234 | |
235 | int node = 0; |
236 | node_chain = map_item->object.way->node_chain; |
237 | while(node_chain) { |
238 | canvas_point_set_pos(points, node++, &node_chain->node->lpos); |
239 | node_chain = node_chain->next; |
240 | } |
241 | |
242 | /* create a copy of this map item and mark it as being a highlight */ |
243 | map_item_t *new_map_item = g_new0(map_item_t, 1); |
244 | memcpy(new_map_item, map_item, sizeof(map_item_t)); |
245 | new_map_item->highlight = TRUE; |
246 | |
247 | map_hl_polyline_new(map, CANVAS_GROUP_WAYS_HL, new_map_item, points, |
248 | ((map_item->object.way->draw.flags & OSM_DRAW_FLAG_BG)? |
249 | 2*map->style->highlight.width + map_item->object.way->draw.bg.width: |
250 | 2*map->style->highlight.width + map_item->object.way->draw.width) |
251 | * map->state->detail, map->style->highlight.color); |
252 | |
253 | canvas_points_free(points); |
254 | } |
255 | } |
256 | |
257 | void map_relation_select(appdata_t *appdata, relation_t *relation) { |
258 | map_t *map = appdata->map; |
259 | |
260 | printf("highlighting relation "ITEM_ID_FORMAT"\n", OSM_ID(relation)); |
261 | |
262 | g_assert(!map->highlight); |
263 | map_highlight_t **hl = &map->highlight; |
264 | |
265 | map_item_t *map_item = &map->selected; |
266 | map_item->object.type = RELATION; |
267 | map_item->object.relation = relation; |
268 | map_item->highlight = FALSE; |
269 | map_item->item = NULL; |
270 | |
271 | map_statusbar(map, map_item); |
272 | icon_bar_map_item_selected(appdata, map_item, TRUE); |
273 | |
274 | /* process all members */ |
275 | member_t *member = relation->member; |
276 | while(member) { |
277 | canvas_item_t *item = NULL; |
278 | |
279 | switch(member->object.type) { |
280 | |
281 | case NODE: { |
282 | node_t *node = member->object.node; |
283 | printf(" -> node "ITEM_ID_FORMAT"\n", OSM_ID(node)); |
284 | |
285 | item = canvas_circle_new(map->canvas, CANVAS_GROUP_NODES_HL, |
286 | node->lpos.x, node->lpos.y, |
287 | map->style->highlight.width + map->style->node.radius, |
288 | 0, map->style->highlight.color, NO_COLOR); |
289 | } break; |
290 | |
291 | case WAY: { |
292 | way_t *way = member->object.way; |
293 | /* a way needs at least 2 points to be drawn */ |
294 | guint nodes = osm_way_number_of_nodes(way); |
295 | if(nodes > 1) { |
296 | |
297 | /* allocate space for nodes */ |
298 | canvas_points_t *points = canvas_points_new(nodes); |
299 | |
300 | int node = 0; |
301 | node_chain_t *node_chain = way->node_chain; |
302 | while(node_chain) { |
303 | canvas_point_set_pos(points, node++, &node_chain->node->lpos); |
304 | node_chain = node_chain->next; |
305 | } |
306 | |
307 | if(way->draw.flags & OSM_DRAW_FLAG_AREA) |
308 | item = canvas_polygon_new(map->canvas, CANVAS_GROUP_WAYS_HL, points, 0, 0, |
309 | map->style->highlight.color); |
310 | else |
311 | item = canvas_polyline_new(map->canvas, CANVAS_GROUP_WAYS_HL, points, |
312 | (way->draw.flags & OSM_DRAW_FLAG_BG)? |
313 | 2*map->style->highlight.width + way->draw.bg.width: |
314 | 2*map->style->highlight.width + way->draw.width, |
315 | map->style->highlight.color); |
316 | |
317 | canvas_points_free(points); |
318 | } } break; |
319 | |
320 | default: |
321 | break; |
322 | } |
323 | |
324 | /* attach item to item chain */ |
325 | if(item) { |
326 | *hl = g_new0(map_highlight_t, 1); |
327 | (*hl)->item = item; |
328 | hl = &(*hl)->next; |
329 | } |
330 | |
331 | member = member->next; |
332 | } |
333 | } |
334 | |
335 | static void map_object_select(appdata_t *appdata, object_t *object) { |
336 | switch(object->type) { |
337 | case NODE: |
338 | map_node_select(appdata, object->node); |
339 | break; |
340 | case WAY: |
341 | map_way_select(appdata, object->way); |
342 | break; |
343 | case RELATION: |
344 | map_relation_select(appdata, object->relation); |
345 | break; |
346 | default: |
347 | g_assert((object->type == NODE)||(object->type == RELATION)|| |
348 | (object->type == WAY)); |
349 | break; |
350 | } |
351 | } |
352 | |
353 | void map_item_deselect(appdata_t *appdata) { |
354 | |
355 | /* save tags for "last" function in info dialog */ |
356 | if(appdata->map->selected.object.type == NODE) { |
357 | if(appdata->map->last_node_tags) |
358 | osm_tags_free(appdata->map->last_node_tags); |
359 | |
360 | appdata->map->last_node_tags = |
361 | osm_tags_copy(OBJECT_TAG(appdata->map->selected.object)); |
362 | } else if(appdata->map->selected.object.type == WAY) { |
363 | if(appdata->map->last_way_tags) |
364 | osm_tags_free(appdata->map->last_way_tags); |
365 | |
366 | appdata->map->last_way_tags = |
367 | osm_tags_copy(OBJECT_TAG(appdata->map->selected.object)); |
368 | } |
369 | |
370 | /* remove statusbar message */ |
371 | statusbar_set(appdata, NULL, FALSE); |
372 | |
373 | /* disable/enable icons in icon bar */ |
374 | icon_bar_map_item_selected(appdata, NULL, FALSE); |
375 | gtk_widget_set_sensitive(appdata->menu_item_map_hide_sel, FALSE); |
376 | |
377 | /* remove highlight */ |
378 | map_hl_remove(appdata); |
379 | |
380 | /* forget about selection */ |
381 | appdata->map->selected.object.type = ILLEGAL; |
382 | } |
383 | |
384 | /* called whenever a map item is to be destroyed */ |
385 | static gint map_item_destroy_event(GtkWidget *widget, gpointer data) { |
386 | map_item_t *map_item = (map_item_t*)data; |
387 | |
388 | // printf("destroying map_item @ %p\n", map_item); |
389 | |
390 | #ifdef DESTROY_WAIT_FOR_GTK |
391 | /* remove item from nodes/ways map_item_chain */ |
392 | map_item_chain_t **chain = NULL; |
393 | if(map_item->object.type == NODE) |
394 | chain = &map_item->object.node->map_item_chain; |
395 | else if(map_item->object.type == WAY) |
396 | chain = &map_item->object.way->map_item_chain; |
397 | |
398 | /* there must be a chain with content, otherwise things are broken */ |
399 | g_assert(chain); |
400 | g_assert(*chain); |
401 | |
402 | /* search current map_item, ... */ |
403 | while(*chain && (*chain)->map_item != map_item) |
404 | chain = &(*chain)->next; |
405 | |
406 | g_assert(*chain); |
407 | |
408 | /* ... remove it from chain and free it */ |
409 | map_item_chain_t *tmp = *chain; |
410 | *chain = (*chain)->next; |
411 | |
412 | g_free(tmp); |
413 | #endif |
414 | |
415 | g_free(map_item); |
416 | return FALSE; |
417 | } |
418 | |
419 | static canvas_item_t *map_node_new(map_t *map, node_t *node, gint radius, |
420 | gint width, canvas_color_t fill, canvas_color_t border) { |
421 | |
422 | map_item_t *map_item = g_new0(map_item_t, 1); |
423 | map_item->object.type = NODE; |
424 | map_item->object.node = node; |
425 | |
426 | if(!node->icon_buf || !map->style->icon.enable) |
427 | map_item->item = canvas_circle_new(map->canvas, CANVAS_GROUP_NODES, |
428 | node->lpos.x, node->lpos.y, radius, width, fill, border); |
429 | else |
430 | map_item->item = canvas_image_new(map->canvas, CANVAS_GROUP_NODES, |
431 | node->icon_buf, node->lpos.x, node->lpos.y, |
432 | map->state->detail * map->style->icon.scale, |
433 | map->state->detail * map->style->icon.scale); |
434 | |
435 | canvas_item_set_zoom_max(map_item->item, |
436 | node->zoom_max / (2 * map->state->detail)); |
437 | |
438 | /* attach map_item to nodes map_item_chain */ |
439 | map_item_chain_t **chain = &node->map_item_chain; |
440 | while(*chain) chain = &(*chain)->next; |
441 | *chain = g_new0(map_item_chain_t, 1); |
442 | (*chain)->map_item = map_item; |
443 | |
444 | canvas_item_set_user_data(map_item->item, map_item); |
445 | |
446 | canvas_item_destroy_connect(map_item->item, |
447 | G_CALLBACK(map_item_destroy_event), map_item); |
448 | |
449 | return map_item->item; |
450 | } |
451 | |
452 | /* in the rare case that a way consists of only one node, it is */ |
453 | /* drawn as a circle. This e.g. happens when drawing a new way */ |
454 | static canvas_item_t *map_way_single_new(map_t *map, way_t *way, gint radius, |
455 | gint width, canvas_color_t fill, canvas_color_t border) { |
456 | |
457 | map_item_t *map_item = g_new0(map_item_t, 1); |
458 | map_item->object.type = WAY; |
459 | map_item->object.way = way; |
460 | map_item->item = canvas_circle_new(map->canvas, CANVAS_GROUP_WAYS, |
461 | way->node_chain->node->lpos.x, way->node_chain->node->lpos.y, |
462 | radius, width, fill, border); |
463 | |
464 | // TODO: decide: do we need canvas_item_set_zoom_max() here too? |
465 | |
466 | /* attach map_item to nodes map_item_chain */ |
467 | map_item_chain_t **chain = &way->map_item_chain; |
468 | while(*chain) chain = &(*chain)->next; |
469 | *chain = g_new0(map_item_chain_t, 1); |
470 | (*chain)->map_item = map_item; |
471 | |
472 | canvas_item_set_user_data(map_item->item, map_item); |
473 | |
474 | canvas_item_destroy_connect(map_item->item, |
475 | G_CALLBACK(map_item_destroy_event), map_item); |
476 | |
477 | return map_item->item; |
478 | } |
479 | |
480 | static canvas_item_t *map_way_new(map_t *map, canvas_group_t group, |
481 | way_t *way, canvas_points_t *points, gint width, |
482 | canvas_color_t color, canvas_color_t fill_color) { |
483 | map_item_t *map_item = g_new0(map_item_t, 1); |
484 | map_item->object.type = WAY; |
485 | map_item->object.way = way; |
486 | |
487 | if(way->draw.flags & OSM_DRAW_FLAG_AREA) { |
488 | if(map->style->area.color & 0xff) |
489 | map_item->item = canvas_polygon_new(map->canvas, group, points, |
490 | width, color, fill_color); |
491 | else |
492 | map_item->item = canvas_polyline_new(map->canvas, group, points, |
493 | width, color); |
494 | } else { |
495 | map_item->item = canvas_polyline_new(map->canvas, group, points, width, color); |
496 | } |
497 | |
498 | canvas_item_set_zoom_max(map_item->item, |
499 | way->draw.zoom_max / (2 * map->state->detail)); |
500 | |
501 | /* a ways outline itself is never dashed */ |
502 | if (group != CANVAS_GROUP_WAYS_OL) |
503 | if (way->draw.dashed) |
504 | canvas_item_set_dashed(map_item->item, width, way->draw.dash_length); |
505 | |
506 | /* attach map_item to ways map_item_chain */ |
507 | map_item_chain_t **chain = &way->map_item_chain; |
508 | while(*chain) chain = &(*chain)->next; |
509 | *chain = g_new0(map_item_chain_t, 1); |
510 | (*chain)->map_item = map_item; |
511 | |
512 | canvas_item_set_user_data(map_item->item, map_item); |
513 | |
514 | canvas_item_destroy_connect(map_item->item, |
515 | G_CALLBACK(map_item_destroy_event), map_item); |
516 | |
517 | return map_item->item; |
518 | } |
519 | |
520 | void map_show_node(map_t *map, node_t *node) { |
521 | map_node_new(map, node, map->style->node.radius, 0, |
522 | map->style->node.color, 0); |
523 | } |
524 | |
525 | void map_way_draw(map_t *map, way_t *way) { |
526 | |
527 | /* don't draw a way that's not there anymore */ |
528 | if(OSM_FLAGS(way) & (OSM_FLAG_DELETED | OSM_FLAG_HIDDEN)) |
529 | return; |
530 | |
531 | /* allocate space for nodes */ |
532 | /* a way needs at least 2 points to be drawn */ |
533 | guint nodes = osm_way_number_of_nodes(way); |
534 | if(nodes == 1) { |
535 | /* draw a single dot where this single node is */ |
536 | map_way_single_new(map, way, map->style->node.radius, 0, |
537 | map->style->node.color, 0); |
538 | } else { |
539 | canvas_points_t *points = canvas_points_new(nodes); |
540 | |
541 | int node = 0; |
542 | node_chain_t *node_chain = way->node_chain; |
543 | while(node_chain) { |
544 | canvas_point_set_pos(points, node++, &node_chain->node->lpos); |
545 | node_chain = node_chain->next; |
546 | } |
547 | |
548 | /* draw way */ |
549 | float width = way->draw.width * map->state->detail; |
550 | |
551 | if(way->draw.flags & OSM_DRAW_FLAG_AREA) { |
552 | map_way_new(map, CANVAS_GROUP_POLYGONS, way, points, |
553 | width, way->draw.color, way->draw.area.color); |
554 | } else { |
555 | |
556 | if(way->draw.flags & OSM_DRAW_FLAG_BG) { |
557 | map_way_new(map, CANVAS_GROUP_WAYS_INT, way, points, |
558 | width, way->draw.color, NO_COLOR); |
559 | |
560 | map_way_new(map, CANVAS_GROUP_WAYS_OL, way, points, |
561 | way->draw.bg.width * map->state->detail, |
562 | way->draw.bg.color, NO_COLOR); |
563 | |
564 | } else |
565 | map_way_new(map, CANVAS_GROUP_WAYS, way, points, |
566 | width, way->draw.color, NO_COLOR); |
567 | } |
568 | canvas_points_free(points); |
569 | } |
570 | } |
571 | |
572 | void map_node_draw(map_t *map, node_t *node) { |
573 | /* don't draw a node that's not there anymore */ |
574 | if(OSM_FLAGS(node) & OSM_FLAG_DELETED) |
575 | return; |
576 | |
577 | if(!node->ways) |
578 | map_node_new(map, node, |
579 | map->style->node.radius * map->state->detail, |
580 | map->style->node.border_radius * map->state->detail, |
581 | map->style->node.fill_color, |
582 | map->style->node.color); |
583 | |
584 | else if(map->style->node.show_untagged || osm_node_has_tag(node)) |
585 | map_node_new(map, node, |
586 | map->style->node.radius * map->state->detail, 0, |
587 | map->style->node.color, 0); |
588 | } |
589 | |
590 | static void map_item_draw(map_t *map, map_item_t *map_item) { |
591 | switch(map_item->object.type) { |
592 | case NODE: |
593 | map_node_draw(map, map_item->object.node); |
594 | break; |
595 | case WAY: |
596 | map_way_draw(map, map_item->object.way); |
597 | break; |
598 | default: |
599 | g_assert((map_item->object.type == NODE) || |
600 | (map_item->object.type == WAY)); |
601 | } |
602 | } |
603 | |
604 | static void map_item_remove(map_t *map, map_item_t *map_item) { |
605 | map_item_chain_t **chainP = NULL; |
606 | |
607 | switch(map_item->object.type) { |
608 | case NODE: |
609 | chainP = &map_item->object.node->map_item_chain; |
610 | break; |
611 | case WAY: |
612 | chainP = &map_item->object.way->map_item_chain; |
613 | break; |
614 | default: |
615 | g_assert((map_item->object.type == NODE) || |
616 | (map_item->object.type == WAY)); |
617 | } |
618 | |
619 | map_item_chain_destroy(chainP); |
620 | } |
621 | |
622 | static void map_item_init(style_t *style, map_item_t *map_item) { |
623 | switch (map_item->object.type){ |
624 | case WAY: |
625 | josm_elemstyles_colorize_way(style, map_item->object.way); |
626 | break; |
627 | case NODE: |
628 | josm_elemstyles_colorize_node(style, map_item->object.node); |
629 | break; |
630 | default: |
631 | g_assert((map_item->object.type == NODE) || |
632 | (map_item->object.type == WAY)); |
633 | } |
634 | } |
635 | |
636 | void map_item_redraw(appdata_t *appdata, map_item_t *map_item) { |
637 | map_item_t item = *map_item; |
638 | |
639 | /* a relation cannot be redraws as it doesn't have a visual */ |
640 | /* representation */ |
641 | if(map_item->object.type == RELATION) |
642 | return; |
643 | |
644 | /* check if the item to be redrawn is the selected one */ |
645 | gboolean is_selected = FALSE; |
646 | if(map_item->object.ptr == appdata->map->selected.object.ptr) { |
647 | map_item_deselect(appdata); |
648 | is_selected = TRUE; |
649 | } |
650 | |
651 | map_item_remove(appdata->map, &item); |
652 | map_item_init(appdata->map->style, &item); |
653 | map_item_draw(appdata->map, &item); |
654 | |
655 | /* restore selection if there was one */ |
656 | if(is_selected) |
657 | map_object_select(appdata, &item.object); |
658 | } |
659 | |
660 | static void map_frisket_rectangle(canvas_points_t *points, |
661 | gint x0, gint x1, gint y0, gint y1) { |
662 | points->coords[2*0+0] = points->coords[2*3+0] = points->coords[2*4+0] = x0; |
663 | points->coords[2*1+0] = points->coords[2*2+0] = x1; |
664 | points->coords[2*0+1] = points->coords[2*1+1] = points->coords[2*4+1] = y0; |
665 | points->coords[2*2+1] = points->coords[2*3+1] = y1; |
666 | } |
667 | |
668 | /* Draw the frisket area which masks off areas it'd be unsafe to edit, |
669 | * plus its inner edge marker line */ |
670 | void map_frisket_draw(map_t *map, bounds_t *bounds) { |
671 | canvas_points_t *points = canvas_points_new(5); |
672 | |
673 | /* don't draw frisket at all if it's completely transparent */ |
674 | if(map->style->frisket.color & 0xff) { |
675 | elemstyle_color_t color = map->style->frisket.color; |
676 | |
677 | float mult = map->style->frisket.mult; |
678 | |
679 | /* top rectangle */ |
680 | map_frisket_rectangle(points, mult*bounds->min.x, mult*bounds->max.x, |
681 | mult*bounds->min.y, bounds->min.y); |
682 | canvas_polygon_new(map->canvas, CANVAS_GROUP_FRISKET, points, |
683 | 1, NO_COLOR, color); |
684 | |
685 | /* bottom rectangle */ |
686 | map_frisket_rectangle(points, mult*bounds->min.x, mult*bounds->max.x, |
687 | bounds->max.y, mult*bounds->max.y); |
688 | canvas_polygon_new(map->canvas, CANVAS_GROUP_FRISKET, points, |
689 | 1, NO_COLOR, color); |
690 | |
691 | /* left rectangle */ |
692 | map_frisket_rectangle(points, mult*bounds->min.x, bounds->min.x, |
693 | mult*bounds->min.y, mult*bounds->max.y); |
694 | canvas_polygon_new(map->canvas, CANVAS_GROUP_FRISKET, points, |
695 | 1, NO_COLOR, color); |
696 | |
697 | /* right rectangle */ |
698 | map_frisket_rectangle(points, bounds->max.x, mult*bounds->max.x, |
699 | mult*bounds->min.y, mult*bounds->max.y); |
700 | canvas_polygon_new(map->canvas, CANVAS_GROUP_FRISKET, points, |
701 | 1, NO_COLOR, color); |
702 | |
703 | } |
704 | |
705 | if(map->style->frisket.border.present) { |
706 | // Edge marker line |
707 | gint ew2 = map->style->frisket.border.width/2; |
708 | map_frisket_rectangle(points, |
709 | bounds->min.x-ew2, bounds->max.x+ew2, |
710 | bounds->min.y-ew2, bounds->max.y+ew2); |
711 | |
712 | canvas_polyline_new(map->canvas, CANVAS_GROUP_FRISKET, points, |
713 | map->style->frisket.border.width, |
714 | map->style->frisket.border.color); |
715 | |
716 | } |
717 | canvas_points_free(points); |
718 | } |
719 | |
720 | static void map_draw(map_t *map, osm_t *osm) { |
721 | g_assert(map->canvas); |
722 | |
723 | printf("drawing ways ...\n"); |
724 | way_t *way = osm->way; |
725 | while(way) { |
726 | map_way_draw(map, way); |
727 | way = way->next; |
728 | } |
729 | |
730 | printf("drawing single nodes ...\n"); |
731 | node_t *node = osm->node; |
732 | while(node) { |
733 | map_node_draw(map, node); |
734 | node = node->next; |
735 | } |
736 | |
737 | printf("drawing frisket...\n"); |
738 | map_frisket_draw(map, osm->bounds); |
739 | } |
740 | |
741 | void map_state_free(map_state_t *state) { |
742 | if(!state) return; |
743 | |
744 | /* free state of noone else references it */ |
745 | if(state->refcount > 1) |
746 | state->refcount--; |
747 | else |
748 | g_free(state); |
749 | } |
750 | |
751 | void map_free_map_item_chains(appdata_t *appdata) { |
752 | if(!appdata->osm) return; |
753 | |
754 | #ifndef DESTROY_WAIT_FOR_GTK |
755 | printf(" DESTROY_WAIT_FOR_GTK not set, removing all chains now\n"); |
756 | |
757 | /* free all map_item_chains */ |
758 | node_t *node = appdata->osm->node; |
759 | while(node) { |
760 | map_item_chain_t *chain = node->map_item_chain; |
761 | while(chain) { |
762 | map_item_chain_t *next = chain->next; |
763 | g_free(chain); |
764 | chain = next; |
765 | } |
766 | node->map_item_chain = NULL; |
767 | node = node->next; |
768 | } |
769 | |
770 | way_t *way = appdata->osm->way; |
771 | while(way) { |
772 | map_item_chain_t *chain = way->map_item_chain; |
773 | while(chain) { |
774 | map_item_chain_t *next = chain->next; |
775 | g_free(chain); |
776 | chain = next; |
777 | } |
778 | way->map_item_chain = NULL; |
779 | way = way->next; |
780 | } |
781 | #endif |
782 | } |
783 | |
784 | static gint map_destroy_event(GtkWidget *widget, gpointer data) { |
785 | appdata_t *appdata = (appdata_t*)data; |
786 | map_t *map = appdata->map; |
787 | |
788 | gtk_timeout_remove(map->autosave_handler_id); |
789 | |
790 | printf("destroying entire map\n"); |
791 | |
792 | map_free_map_item_chains(appdata); |
793 | |
794 | /* free buffered tags */ |
795 | if(map->last_node_tags) osm_tags_free(map->last_node_tags); |
796 | if(map->last_way_tags) osm_tags_free(map->last_way_tags); |
797 | |
798 | map_state_free(map->state); |
799 | |
800 | if(map->style) |
801 | style_free(map->style); |
802 | |
803 | /* destroy existing highlight */ |
804 | if(map->highlight) { |
805 | printf("removing highlight\n"); |
806 | |
807 | map_highlight_t *hl = map->highlight; |
808 | while(hl) { |
809 | map_highlight_t *next = hl->next; |
810 | g_free(hl); |
811 | hl = next; |
812 | } |
813 | } |
814 | |
815 | g_free(map); |
816 | |
817 | appdata->map = NULL; |
818 | |
819 | return FALSE; |
820 | } |
821 | |
822 | /* get the item at position x, y */ |
823 | map_item_t *map_item_at(map_t *map, gint x, gint y) { |
824 | printf("map check at %d/%d\n", x, y); |
825 | |
826 | canvas_window2world(map->canvas, x, y, &x, &y); |
827 | |
828 | printf("world check at %d/%d\n", x, y); |
829 | |
830 | canvas_item_t *item = canvas_get_item_at(map->canvas, x, y); |
831 | |
832 | if(!item) { |
833 | printf(" there's no item\n"); |
834 | return NULL; |
835 | } |
836 | |
837 | printf(" there's an item (%p)\n", item); |
838 | |
839 | map_item_t *map_item = canvas_item_get_user_data(item); |
840 | |
841 | if(!map_item) { |
842 | printf(" item has no user data!\n"); |
843 | return NULL; |
844 | } |
845 | |
846 | if(map_item->highlight) |
847 | printf(" item is highlight\n"); |
848 | |
849 | printf(" item is %s #"ITEM_ID_FORMAT"\n", |
850 | osm_object_type_string(&map_item->object), |
851 | OBJECT_ID(map_item->object)); |
852 | |
853 | return map_item; |
854 | } |
855 | |
856 | /* get the real item (no highlight) at x, y */ |
857 | map_item_t *map_real_item_at(map_t *map, gint x, gint y) { |
858 | map_item_t *map_item = map_item_at(map, x, y); |
859 | |
860 | /* no item or already a real one */ |
861 | if(!map_item || !map_item->highlight) return map_item; |
862 | |
863 | /* get the item (parent) this item is the highlight of */ |
864 | map_item_t *parent = NULL; |
865 | switch(map_item->object.type) { |
866 | |
867 | case NODE: |
868 | if(map_item->object.node->map_item_chain) |
869 | parent = map_item->object.node->map_item_chain->map_item; |
870 | |
871 | if(parent) |
872 | printf(" using parent item node #" ITEM_ID_FORMAT "\n", |
873 | OBJECT_ID(parent->object)); |
874 | break; |
875 | |
876 | case WAY: |
877 | if(map_item->object.way->map_item_chain) |
878 | parent = map_item->object.way->map_item_chain->map_item; |
879 | |
880 | if(parent) |
881 | printf(" using parent item way #" ITEM_ID_FORMAT "\n", |
882 | OBJECT_ID(parent->object)); |
883 | break; |
884 | |
885 | default: |
886 | g_assert((map_item->object.type == NODE) || |
887 | (map_item->object.type == WAY)); |
888 | break; |
889 | } |
890 | |
891 | if(parent) |
892 | map_item = parent; |
893 | else |
894 | printf(" no parent, working on highlight itself\n"); |
895 | |
896 | return map_item; |
897 | } |
898 | |
899 | /* Limitations on the amount by which we can scroll. Keeps part of the |
900 | * map visible at all times */ |
901 | static void map_limit_scroll(map_t *map, canvas_unit_t unit, |
902 | gint *sx, gint *sy) { |
903 | |
904 | /* get scale factor for pixel->meter conversion. set to 1 if */ |
905 | /* given coordinates are already in meters */ |
906 | gdouble scale = (unit == CANVAS_UNIT_METER)?1.0:canvas_get_zoom(map->canvas); |
907 | |
908 | /* convert pixels to meters if necessary */ |
909 | gdouble sx_cu = *sx / scale; |
910 | gdouble sy_cu = *sy / scale; |
911 | |
912 | /* get size of visible area in canvas units (meters) */ |
913 | gint aw_cu = canvas_get_viewport_width(map->canvas, CANVAS_UNIT_METER)/2; |
914 | gint ah_cu = canvas_get_viewport_height(map->canvas, CANVAS_UNIT_METER)/2; |
915 | |
916 | // Data rect minimum and maximum |
917 | gint min_x, min_y, max_x, max_y; |
918 | min_x = map->appdata->osm->bounds->min.x; |
919 | min_y = map->appdata->osm->bounds->min.y; |
920 | max_x = map->appdata->osm->bounds->max.x; |
921 | max_y = map->appdata->osm->bounds->max.y; |
922 | |
923 | // limit stops - prevent scrolling beyond these |
924 | gint min_sy_cu = 0.95*(min_y - ah_cu); |
925 | gint min_sx_cu = 0.95*(min_x - aw_cu); |
926 | gint max_sy_cu = 0.95*(max_y + ah_cu); |
927 | gint max_sx_cu = 0.95*(max_x + aw_cu); |
928 | if (sy_cu < min_sy_cu) { *sy = min_sy_cu * scale; } |
929 | if (sx_cu < min_sx_cu) { *sx = min_sx_cu * scale; } |
930 | if (sy_cu > max_sy_cu) { *sy = max_sy_cu * scale; } |
931 | if (sx_cu > max_sx_cu) { *sx = max_sx_cu * scale; } |
932 | } |
933 | |
934 | |
935 | /* Limit a proposed zoom factor to sane ranges. |
936 | * Specifically the map is allowed to be no smaller than the viewport. */ |
937 | static gboolean map_limit_zoom(map_t *map, gdouble *zoom) { |
938 | // Data rect minimum and maximum |
939 | gint min_x, min_y, max_x, max_y; |
940 | min_x = map->appdata->osm->bounds->min.x; |
941 | min_y = map->appdata->osm->bounds->min.y; |
942 | max_x = map->appdata->osm->bounds->max.x; |
943 | max_y = map->appdata->osm->bounds->max.y; |
944 | |
945 | /* get size of visible area in pixels and convert to meters of intended */ |
946 | /* zoom by deviding by zoom (which is basically pix/m) */ |
947 | gint aw_cu = |
948 | canvas_get_viewport_width(map->canvas, CANVAS_UNIT_PIXEL) / *zoom; |
949 | gint ah_cu = |
950 | canvas_get_viewport_height(map->canvas, CANVAS_UNIT_PIXEL) / *zoom; |
951 | |
952 | gdouble oldzoom = *zoom; |
953 | if (ah_cu < aw_cu) { |
954 | gint lim_h = ah_cu*0.95; |
955 | if (max_y-min_y < lim_h) { |
956 | gdouble corr = ((gdouble)max_y-min_y) / (gdouble)lim_h; |
957 | *zoom /= corr; |
958 | } |
959 | } |
960 | else { |
961 | gint lim_w = aw_cu*0.95; |
962 | if (max_x-min_x < lim_w) { |
963 | gdouble corr = ((gdouble)max_x-min_x) / (gdouble)lim_w; |
964 | *zoom /= corr; |
965 | } |
966 | } |
967 | if (*zoom != oldzoom) { |
968 | printf("Can't zoom further out (%f)\n", *zoom); |
969 | return 1; |
970 | } |
971 | return 0; |
972 | } |
973 | |
974 | |
975 | /* |
976 | * Scroll the map to a point if that point is currently offscreen. |
977 | * Return true if this was possible, false if position is outside |
978 | * working area |
979 | */ |
980 | gboolean map_scroll_to_if_offscreen(map_t *map, lpos_t *lpos) { |
981 | |
982 | // Ignore anything outside the working area |
983 | if (!(map && map->appdata && map->appdata->osm)) { |
984 | return FALSE; |
985 | } |
986 | gint min_x, min_y, max_x, max_y; |
987 | min_x = map->appdata->osm->bounds->min.x; |
988 | min_y = map->appdata->osm->bounds->min.y; |
989 | max_x = map->appdata->osm->bounds->max.x; |
990 | max_y = map->appdata->osm->bounds->max.y; |
991 | if ( (lpos->x > max_x) || (lpos->x < min_x) |
992 | || (lpos->y > max_y) || (lpos->y < min_y)) { |
993 | printf("cannot scroll to (%d, %d): outside the working area\n", |
994 | lpos->x, lpos->y); |
995 | return FALSE; |
996 | } |
997 | |
998 | // Viewport dimensions in canvas space |
999 | |
1000 | /* get size of visible area in canvas units (meters) */ |
1001 | gdouble pix_per_meter = canvas_get_zoom(map->canvas); |
1002 | gdouble aw = canvas_get_viewport_width(map->canvas, CANVAS_UNIT_METER); |
1003 | gdouble ah = canvas_get_viewport_height(map->canvas, CANVAS_UNIT_METER); |
1004 | |
1005 | // Is the point still onscreen? |
1006 | gboolean vert_recentre_needed = FALSE; |
1007 | gboolean horiz_recentre_needed = FALSE; |
1008 | gint sx, sy; |
1009 | canvas_scroll_get(map->canvas, CANVAS_UNIT_METER, &sx, &sy); |
1010 | gint viewport_left = sx-aw/2; |
1011 | gint viewport_right = sx+aw/2; |
1012 | gint viewport_top = sy-ah/2; |
1013 | gint viewport_bottom = sy+ah/2; |
1014 | |
1015 | if (lpos->x > viewport_right) { |
1016 | printf("** off right edge (%d > %d)\n", lpos->x, viewport_right); |
1017 | horiz_recentre_needed = TRUE; |
1018 | } |
1019 | if (lpos->x < viewport_left) { |
1020 | printf("** off left edge (%d < %d)\n", lpos->x, viewport_left); |
1021 | horiz_recentre_needed = TRUE; |
1022 | } |
1023 | if (lpos->y > viewport_bottom) { |
1024 | printf("** off bottom edge (%d > %d)\n", lpos->y, viewport_bottom); |
1025 | vert_recentre_needed = TRUE; |
1026 | } |
1027 | if (lpos->y < viewport_top) { |
1028 | printf("** off top edge (%d < %d)\n", lpos->y, viewport_top); |
1029 | vert_recentre_needed = TRUE; |
1030 | } |
1031 | |
1032 | if (horiz_recentre_needed || vert_recentre_needed) { |
1033 | gint new_sx, new_sy; |
1034 | |
1035 | // Just centre both at once |
1036 | new_sx = pix_per_meter * lpos->x; // XXX (lpos->x - (aw/2)); |
1037 | new_sy = pix_per_meter * lpos->y; // XXX (lpos->y - (ah/2)); |
1038 | |
1039 | map_limit_scroll(map, CANVAS_UNIT_PIXEL, &new_sx, &new_sy); |
1040 | canvas_scroll_to(map->canvas, CANVAS_UNIT_PIXEL, new_sx, new_sy); |
1041 | } |
1042 | return TRUE; |
1043 | } |
1044 | |
1045 | /* Deselects the current way or node if its zoom_max |
1046 | * means that it's not going to render at the current map zoom. */ |
1047 | void map_deselect_if_zoom_below_zoom_max(map_t *map) { |
1048 | if (map->selected.object.type == WAY) { |
1049 | printf("will deselect way if zoomed below %f\n", |
1050 | map->selected.object.way->draw.zoom_max); |
1051 | if (map->state->zoom < map->selected.object.way->draw.zoom_max) { |
1052 | printf(" deselecting way!\n"); |
1053 | map_item_deselect(map->appdata); |
1054 | } |
1055 | } |
1056 | else if (map->selected.object.type == NODE) { |
1057 | printf("will deselect node if zoomed below %f\n", |
1058 | map->selected.object.node->zoom_max); |
1059 | if (map->state->zoom < map->selected.object.node->zoom_max) { |
1060 | printf(" deselecting node!\n"); |
1061 | map_item_deselect(map->appdata); |
1062 | } |
1063 | } |
1064 | } |
1065 | |
1066 | #define GPS_RADIUS_LIMIT 3.0 |
1067 | |
1068 | void map_set_zoom(map_t *map, double zoom, |
1069 | gboolean update_scroll_offsets) { |
1070 | gboolean at_zoom_limit = 0; |
1071 | at_zoom_limit = map_limit_zoom(map, &zoom); |
1072 | |
1073 | map->state->zoom = zoom; |
1074 | canvas_set_zoom(map->canvas, map->state->zoom); |
1075 | |
1076 | map_deselect_if_zoom_below_zoom_max(map); |
1077 | |
1078 | if(update_scroll_offsets) { |
1079 | if (!at_zoom_limit) { |
1080 | /* zooming affects the scroll offsets */ |
1081 | gint sx, sy; |
1082 | canvas_scroll_get(map->canvas, CANVAS_UNIT_PIXEL, &sx, &sy); |
1083 | map_limit_scroll(map, CANVAS_UNIT_PIXEL, &sx, &sy); |
1084 | |
1085 | // keep the map visible |
1086 | canvas_scroll_to(map->canvas, CANVAS_UNIT_PIXEL, sx, sy); |
1087 | } |
1088 | |
1089 | canvas_scroll_get(map->canvas, CANVAS_UNIT_METER, |
1090 | &map->state->scroll_offset.x, |
1091 | &map->state->scroll_offset.y); |
1092 | } |
1093 | |
1094 | if(map->appdata->track.gps_item) { |
1095 | float radius = map->style->track.width/2.0; |
1096 | if(zoom < GPS_RADIUS_LIMIT) { |
1097 | radius *= GPS_RADIUS_LIMIT; |
1098 | radius /= zoom; |
1099 | |
1100 | canvas_item_set_radius(map->appdata->track.gps_item, radius); |
1101 | } |
1102 | } |
1103 | } |
1104 | |
1105 | static gboolean map_scroll_event(GtkWidget *widget, GdkEventScroll *event, |
1106 | gpointer data) { |
1107 | appdata_t *appdata = (appdata_t*)data; |
1108 | |
1109 | if(!appdata->osm) return FALSE; |
1110 | |
1111 | if(event->type == GDK_SCROLL && appdata->map && appdata->map->state) { |
1112 | if(event->direction) |
1113 | map_set_zoom(appdata->map, |
1114 | appdata->map->state->zoom / ZOOM_FACTOR_WHEEL, TRUE); |
1115 | else |
1116 | map_set_zoom(appdata->map, |
1117 | appdata->map->state->zoom * ZOOM_FACTOR_WHEEL, TRUE); |
1118 | } |
1119 | |
1120 | return TRUE; |
1121 | } |
1122 | |
1123 | static gboolean distance_above(map_t *map, gint x, gint y, gint limit) { |
1124 | gint sx, sy; |
1125 | |
1126 | /* add offsets generated by mouse within map and map scrolling */ |
1127 | sx = (x-map->pen_down.at.x); |
1128 | sy = (y-map->pen_down.at.y); |
1129 | |
1130 | return(sx*sx + sy*sy > limit*limit); |
1131 | } |
1132 | |
1133 | /* scroll with respect to two screen positions */ |
1134 | static void map_do_scroll(map_t *map, gint x, gint y) { |
1135 | gint sx, sy; |
1136 | |
1137 | canvas_scroll_get(map->canvas, CANVAS_UNIT_PIXEL, &sx, &sy); |
1138 | sx -= x-map->pen_down.at.x; |
1139 | sy -= y-map->pen_down.at.y; |
1140 | map_limit_scroll(map, CANVAS_UNIT_PIXEL, &sx, &sy); |
1141 | canvas_scroll_to(map->canvas, CANVAS_UNIT_PIXEL, sx, sy); |
1142 | |
1143 | canvas_scroll_get(map->canvas, CANVAS_UNIT_METER, |
1144 | &map->state->scroll_offset.x, |
1145 | &map->state->scroll_offset.y); |
1146 | } |
1147 | |
1148 | |
1149 | /* scroll a certain step */ |
1150 | static void map_do_scroll_step(map_t *map, gint x, gint y) { |
1151 | gint sx, sy; |
1152 | canvas_scroll_get(map->canvas, CANVAS_UNIT_PIXEL, &sx, &sy); |
1153 | sx += x; |
1154 | sy += y; |
1155 | map_limit_scroll(map, CANVAS_UNIT_PIXEL, &sx, &sy); |
1156 | canvas_scroll_to(map->canvas, CANVAS_UNIT_PIXEL, sx, sy); |
1157 | |
1158 | canvas_scroll_get(map->canvas, CANVAS_UNIT_METER, |
1159 | &map->state->scroll_offset.x, |
1160 | &map->state->scroll_offset.y); |
1161 | } |
1162 | |
1163 | gboolean map_item_is_selected_node(map_t *map, map_item_t *map_item) { |
1164 | printf("check if item is a selected node\n"); |
1165 | |
1166 | if(!map_item) { |
1167 | printf(" no item requested\n"); |
1168 | return FALSE; |
1169 | } |
1170 | |
1171 | if(map->selected.object.type == ILLEGAL) { |
1172 | printf(" nothing is selected\n"); |
1173 | return FALSE; |
1174 | } |
1175 | |
1176 | /* clicked the highlight directly */ |
1177 | if(map_item->object.type != NODE) { |
1178 | printf(" didn't click node\n"); |
1179 | return FALSE; |
1180 | } |
1181 | |
1182 | if(map->selected.object.type == NODE) { |
1183 | printf(" selected item is a node\n"); |
1184 | |
1185 | if(map_item->object.node == map->selected.object.node) { |
1186 | printf(" requested item is a selected node\n"); |
1187 | return TRUE; |
1188 | } |
1189 | printf(" but it's not the requested one\n"); |
1190 | return FALSE; |
1191 | |
1192 | } else if(map->selected.object.type == WAY) { |
1193 | printf(" selected item is a way\n"); |
1194 | |
1195 | node_chain_t *node_chain = map->selected.object.way->node_chain; |
1196 | while(node_chain) { |
1197 | if(node_chain->node == map_item->object.node) { |
1198 | printf(" requested item is part of selected way\n"); |
1199 | return TRUE; |
1200 | } |
1201 | node_chain = node_chain->next; |
1202 | } |
1203 | printf(" but it doesn't include the requested node\n"); |
1204 | return FALSE; |
1205 | |
1206 | } else { |
1207 | printf(" selected item is unknown\n"); |
1208 | return FALSE; |
1209 | } |
1210 | |
1211 | g_assert(0); |
1212 | return TRUE; |
1213 | } |
1214 | |
1215 | /* return true if the item given is the currenly selected way */ |
1216 | /* also return false if nothing is selected or the selection is no way */ |
1217 | gboolean map_item_is_selected_way(map_t *map, map_item_t *map_item) { |
1218 | printf("check if item is the selected way\n"); |
1219 | |
1220 | if(!map_item) { |
1221 | printf(" no item requested\n"); |
1222 | return FALSE; |
1223 | } |
1224 | |
1225 | if(map->selected.object.type == ILLEGAL) { |
1226 | printf(" nothing is selected\n"); |
1227 | return FALSE; |
1228 | } |
1229 | |
1230 | /* clicked the highlight directly */ |
1231 | if(map_item->object.type != WAY) { |
1232 | printf(" didn't click way\n"); |
1233 | return FALSE; |
1234 | } |
1235 | |
1236 | if(map->selected.object.type == WAY) { |
1237 | printf(" selected item is a way\n"); |
1238 | |
1239 | if(map_item->object.way == map->selected.object.way) { |
1240 | printf(" requested item is a selected way\n"); |
1241 | return TRUE; |
1242 | } |
1243 | printf(" but it's not the requested one\n"); |
1244 | return FALSE; |
1245 | } |
1246 | |
1247 | printf(" selected item is not a way\n"); |
1248 | return FALSE; |
1249 | } |
1250 | |
1251 | |
1252 | void map_highlight_refresh(appdata_t *appdata) { |
1253 | map_t *map = appdata->map; |
1254 | object_t old = map->selected.object; |
1255 | |
1256 | printf("type to refresh is %d\n", old.type); |
1257 | if(old.type == ILLEGAL) |
1258 | return; |
1259 | |
1260 | map_item_deselect(appdata); |
1261 | map_object_select(appdata, &old); |
1262 | } |
1263 | |
1264 | void map_way_delete(appdata_t *appdata, way_t *way) { |
1265 | printf("deleting way #" ITEM_ID_FORMAT " from map and osm\n", OSM_ID(way)); |
1266 | |
1267 | undo_append_way(appdata, UNDO_DELETE, way); |
1268 | |
1269 | /* remove it visually from the screen */ |
1270 | map_item_chain_destroy(&way->map_item_chain); |
1271 | |
1272 | /* and mark it "deleted" in the database */ |
1273 | osm_way_remove_from_relation(appdata->osm, way); |
1274 | |
1275 | osm_way_delete(appdata->osm, &appdata->icon, way, FALSE); |
1276 | } |
1277 | |
1278 | static void map_handle_click(appdata_t *appdata, map_t *map) { |
1279 | |
1280 | /* problem: on_item may be the highlight itself! So store it! */ |
1281 | map_item_t map_item; |
1282 | if(map->pen_down.on_item) map_item = *map->pen_down.on_item; |
1283 | else map_item.object.type = ILLEGAL; |
1284 | |
1285 | /* if we aready have something selected, then de-select it */ |
1286 | map_item_deselect(appdata); |
1287 | |
1288 | /* select the clicked item (if there was one) */ |
1289 | if(map_item.object.type != ILLEGAL) { |
1290 | switch(map_item.object.type) { |
1291 | case NODE: |
1292 | map_node_select(appdata, map_item.object.node); |
1293 | break; |
1294 | |
1295 | case WAY: |
1296 | map_way_select(appdata, map_item.object.way); |
1297 | break; |
1298 | |
1299 | default: |
1300 | g_assert((map_item.object.type == NODE) || |
1301 | (map_item.object.type == WAY)); |
1302 | break; |
1303 | } |
1304 | } |
1305 | } |
1306 | |
1307 | static void map_touchnode_update(appdata_t *appdata, gint x, gint y) { |
1308 | map_t *map = appdata->map; |
1309 | |
1310 | map_hl_touchnode_clear(map); |
1311 | |
1312 | node_t *cur_node = NULL; |
1313 | |
1314 | /* the "current node" which is the one we are working on and which */ |
1315 | /* should not be highlighted depends on the action */ |
1316 | switch(map->action.type) { |
1317 | |
1318 | /* in idle mode the dragged node is not highlighted */ |
1319 | case MAP_ACTION_IDLE: |
1320 | g_assert(map->pen_down.on_item); |
1321 | g_assert(map->pen_down.on_item->object.type == NODE); |
1322 | cur_node = map->pen_down.on_item->object.node; |
1323 | break; |
1324 | |
1325 | default: |
1326 | break; |
1327 | } |
1328 | |
1329 | |
1330 | /* check if we are close to one of the other nodes */ |
1331 | canvas_window2world(appdata->map->canvas, x, y, &x, &y); |
1332 | node_t *node = appdata->osm->node; |
1333 | while(!map->touchnode && node) { |
1334 | /* don't highlight the dragged node itself and don't highlight */ |
1335 | /* deleted ones */ |
1336 | if((node != cur_node) && (!(OSM_FLAGS(node) & OSM_FLAG_DELETED))) { |
1337 | gint nx = abs(x - node->lpos.x); |
1338 | gint ny = abs(y - node->lpos.y); |
1339 | |
1340 | if((nx < map->style->node.radius) && (ny < map->style->node.radius) && |
1341 | (nx*nx + ny*ny < map->style->node.radius * map->style->node.radius)) |
1342 | map_hl_touchnode_draw(map, node); |
1343 | } |
1344 | node = node->next; |
1345 | } |
1346 | |
1347 | /* during way creation also nodes of the new way */ |
1348 | /* need to be searched */ |
1349 | if(!map->touchnode && map->action.way) { |
1350 | node_chain_t *chain = map->action.way->node_chain; |
1351 | while(!map->touchnode && chain && chain->next) { |
1352 | gint nx = abs(x - chain->node->lpos.x); |
1353 | gint ny = abs(y - chain->node->lpos.y); |
1354 | |
1355 | if((nx < map->style->node.radius) && (ny < map->style->node.radius) && |
1356 | (nx*nx + ny*ny < map->style->node.radius * map->style->node.radius)) |
1357 | map_hl_touchnode_draw(map, chain->node); |
1358 | |
1359 | chain = chain->next; |
1360 | } |
1361 | } |
1362 | } |
1363 | |
1364 | static void map_button_press(map_t *map, gint x, gint y) { |
1365 | |
1366 | printf("left button pressed\n"); |
1367 | map->pen_down.is = TRUE; |
1368 | |
1369 | /* save press position */ |
1370 | map->pen_down.at.x = x; |
1371 | map->pen_down.at.y = y; |
1372 | map->pen_down.drag = FALSE; // don't assume drag yet |
1373 | |
1374 | /* determine wether this press was on an item */ |
1375 | map->pen_down.on_item = map_real_item_at(map, x, y); |
1376 | |
1377 | /* check if the clicked item is a highlighted node as the user */ |
1378 | /* might want to drag that */ |
1379 | map->pen_down.on_selected_node = FALSE; |
1380 | if(map->pen_down.on_item) |
1381 | map->pen_down.on_selected_node = |
1382 | map_item_is_selected_node(map, map->pen_down.on_item); |
1383 | |
1384 | /* button press */ |
1385 | switch(map->action.type) { |
1386 | |
1387 | case MAP_ACTION_WAY_NODE_ADD: |
1388 | map_edit_way_node_add_highlight(map, map->pen_down.on_item, x, y); |
1389 | break; |
1390 | |
1391 | case MAP_ACTION_WAY_CUT: |
1392 | map_edit_way_cut_highlight(map, map->pen_down.on_item, x, y); |
1393 | break; |
1394 | |
1395 | case MAP_ACTION_NODE_ADD: |
1396 | map_hl_cursor_draw(map, x, y, FALSE, map->style->node.radius); |
1397 | break; |
1398 | |
1399 | case MAP_ACTION_WAY_ADD: |
1400 | map_hl_cursor_draw(map, x, y, FALSE, map->style->node.radius); |
1401 | map_touchnode_update(map->appdata, x, y); |
1402 | break; |
1403 | |
1404 | default: |
1405 | break; |
1406 | } |
1407 | } |
1408 | |
1409 | /* move the background image (wms data) during wms adjustment */ |
1410 | static void map_bg_adjust(map_t *map, gint x, gint y) { |
1411 | g_assert(map->appdata); |
1412 | g_assert(map->appdata->osm); |
1413 | g_assert(map->appdata->osm->bounds); |
1414 | |
1415 | x += map->appdata->osm->bounds->min.x + map->bg.offset.x - |
1416 | map->pen_down.at.x; |
1417 | y += map->appdata->osm->bounds->min.y + map->bg.offset.y - |
1418 | map->pen_down.at.y; |
1419 | |
1420 | canvas_image_move(map->bg.item, x, y, map->bg.scale.x, map->bg.scale.y); |
1421 | } |
1422 | |
1423 | static void map_button_release(map_t *map, gint x, gint y) { |
1424 | map->pen_down.is = FALSE; |
1425 | |
1426 | /* before button release is handled */ |
1427 | switch(map->action.type) { |
1428 | case MAP_ACTION_BG_ADJUST: |
1429 | map_bg_adjust(map, x, y); |
1430 | map->bg.offset.x += x - map->pen_down.at.x; |
1431 | map->bg.offset.y += y - map->pen_down.at.y; |
1432 | break; |
1433 | |
1434 | case MAP_ACTION_IDLE: |
1435 | /* check if distance to press is above drag limit */ |
1436 | if(!map->pen_down.drag) |
1437 | map->pen_down.drag = distance_above(map, x, y, MAP_DRAG_LIMIT); |
1438 | |
1439 | if(!map->pen_down.drag) { |
1440 | printf("left button released after click\n"); |
1441 | |
1442 | map_item_t old_sel = map->selected; |
1443 | map_handle_click(map->appdata, map); |
1444 | |
1445 | if((old_sel.object.type != ILLEGAL) && |
1446 | (old_sel.object.type == map->selected.object.type) && |
1447 | (old_sel.object.ptr == map->selected.object.ptr)) { |
1448 | printf("re-selected same item of type %d, " |
1449 | "pushing it to the bottom\n", old_sel.object.type); |
1450 | |
1451 | if(!map->selected.item) { |
1452 | printf(" item has no visible representation to push\n"); |
1453 | } else { |
1454 | canvas_item_to_bottom(map->selected.item); |
1455 | |
1456 | /* update clicked item, to correctly handle the click */ |
1457 | map->pen_down.on_item = |
1458 | map_real_item_at(map, map->pen_down.at.x, map->pen_down.at.y); |
1459 | |
1460 | map_handle_click(map->appdata, map); |
1461 | } |
1462 | } |
1463 | } else { |
1464 | printf("left button released after drag\n"); |
1465 | |
1466 | /* just scroll if we didn't drag an selected item */ |
1467 | if(!map->pen_down.on_selected_node) |
1468 | map_do_scroll(map, x, y); |
1469 | else { |
1470 | printf("released after dragging node\n"); |
1471 | map_hl_cursor_clear(map); |
1472 | |
1473 | /* now actually move the node */ |
1474 | map_edit_node_move(map->appdata, map->pen_down.on_item, x, y); |
1475 | } |
1476 | } |
1477 | break; |
1478 | |
1479 | case MAP_ACTION_NODE_ADD: |
1480 | printf("released after NODE ADD\n"); |
1481 | map_hl_cursor_clear(map); |
1482 | |
1483 | /* convert mouse position to canvas (world) position */ |
1484 | canvas_window2world(map->canvas, x, y, &x, &y); |
1485 | |
1486 | node_t *node = NULL; |
1487 | if(!osm_position_within_bounds(map->appdata->osm, x, y)) |
1488 | map_outside_error(map->appdata); |
1489 | else { |
1490 | node = osm_node_new(map->appdata->osm, x, y); |
1491 | osm_node_attach(map->appdata->osm, node); |
1492 | map_node_draw(map, node); |
1493 | } |
1494 | map_action_set(map->appdata, MAP_ACTION_IDLE); |
1495 | |
1496 | map_item_deselect(map->appdata); |
1497 | |
1498 | if(node) { |
1499 | map_node_select(map->appdata, node); |
1500 | |
1501 | /* let the user specify some tags for the new node */ |
1502 | info_dialog(GTK_WIDGET(map->appdata->window), map->appdata, NULL); |
1503 | } |
1504 | break; |
1505 | |
1506 | case MAP_ACTION_WAY_ADD: |
1507 | printf("released after WAY ADD\n"); |
1508 | map_hl_cursor_clear(map); |
1509 | |
1510 | map_edit_way_add_segment(map, x, y); |
1511 | break; |
1512 | |
1513 | case MAP_ACTION_WAY_NODE_ADD: |
1514 | printf("released after WAY NODE ADD\n"); |
1515 | map_hl_cursor_clear(map); |
1516 | |
1517 | map_edit_way_node_add(map, x, y); |
1518 | break; |
1519 | |
1520 | case MAP_ACTION_WAY_CUT: |
1521 | printf("released after WAY CUT\n"); |
1522 | map_hl_cursor_clear(map); |
1523 | |
1524 | map_edit_way_cut(map, x, y); |
1525 | break; |
1526 | |
1527 | |
1528 | default: |
1529 | break; |
1530 | } |
1531 | } |
1532 | |
1533 | static gboolean map_button_event(GtkWidget *widget, GdkEventButton *event, |
1534 | gpointer data) { |
1535 | appdata_t *appdata = (appdata_t*)data; |
1536 | map_t *map = appdata->map; |
1537 | |
1538 | if(!appdata->osm) return FALSE; |
1539 | |
1540 | if(event->button == 1) { |
1541 | gint x = event->x, y = event->y; |
1542 | |
1543 | if(event->type == GDK_BUTTON_PRESS) |
1544 | map_button_press(map, x, y); |
1545 | |
1546 | if(event->type == GDK_BUTTON_RELEASE) |
1547 | map_button_release(map, x, y); |
1548 | } |
1549 | |
1550 | return FALSE; /* forward to further processing */ |
1551 | } |
1552 | |
1553 | static gboolean map_motion_notify_event(GtkWidget *widget, |
1554 | GdkEventMotion *event, gpointer data) { |
1555 | appdata_t *appdata = (appdata_t*)data; |
1556 | map_t *map = appdata->map; |
1557 | gint x, y; |
1558 | GdkModifierType state; |
1559 | |
1560 | if(!appdata->osm) return FALSE; |
1561 | |
1562 | #if 0 // def USE_HILDON |
1563 | /* reduce update frequency on hildon to keep screen update fluid */ |
1564 | static guint32 last_time = 0; |
1565 | |
1566 | if(event->time - last_time < 250) return FALSE; |
1567 | last_time = event->time; |
1568 | #endif |
1569 | |
1570 | if(gtk_events_pending()) |
1571 | return FALSE; |
1572 | |
1573 | if(!map->pen_down.is) |
1574 | return FALSE; |
1575 | |
1576 | /* handle hints */ |
1577 | if(event->is_hint) |
1578 | gdk_window_get_pointer(event->window, &x, &y, &state); |
1579 | else { |
1580 | x = event->x; |
1581 | y = event->y; |
1582 | state = event->state; |
1583 | } |
1584 | |
1585 | /* check if distance to press is above drag limit */ |
1586 | if(!map->pen_down.drag) |
1587 | map->pen_down.drag = distance_above(map, x, y, MAP_DRAG_LIMIT); |
1588 | |
1589 | /* drag */ |
1590 | switch(map->action.type) { |
1591 | case MAP_ACTION_BG_ADJUST: |
1592 | map_bg_adjust(map, x, y); |
1593 | break; |
1594 | |
1595 | case MAP_ACTION_IDLE: |
1596 | if(map->pen_down.drag) { |
1597 | /* just scroll if we didn't drag an selected item */ |
1598 | if(!map->pen_down.on_selected_node) |
1599 | map_do_scroll(map, x, y); |
1600 | else { |
1601 | map_hl_cursor_draw(map, x, y, FALSE, map->style->node.radius); |
1602 | map_touchnode_update(appdata, x, y); |
1603 | } |
1604 | } |
1605 | break; |
1606 | |
1607 | case MAP_ACTION_NODE_ADD: |
1608 | map_hl_cursor_draw(map, x, y, FALSE, map->style->node.radius); |
1609 | break; |
1610 | |
1611 | case MAP_ACTION_WAY_ADD: |
1612 | map_hl_cursor_draw(map, x, y, FALSE, map->style->node.radius); |
1613 | map_touchnode_update(appdata, x, y); |
1614 | break; |
1615 | |
1616 | case MAP_ACTION_WAY_NODE_ADD: |
1617 | map_hl_cursor_clear(map); |
1618 | map_item_t *item = map_item_at(map, x, y); |
1619 | if(item) map_edit_way_node_add_highlight(map, item, x, y); |
1620 | break; |
1621 | |
1622 | case MAP_ACTION_WAY_CUT: |
1623 | map_hl_cursor_clear(map); |
1624 | item = map_item_at(map, x, y); |
1625 | if(item) map_edit_way_cut_highlight(map, item, x, y); |
1626 | break; |
1627 | |
1628 | default: |
1629 | break; |
1630 | } |
1631 | |
1632 | |
1633 | return FALSE; /* forward to further processing */ |
1634 | } |
1635 | |
1636 | gboolean map_key_press_event(appdata_t *appdata, GdkEventKey *event) { |
1637 | |
1638 | if(!appdata->osm) return FALSE; |
1639 | |
1640 | /* map needs to be there to handle buttons */ |
1641 | if(!appdata->map->canvas) |
1642 | return FALSE; |
1643 | |
1644 | if(event->type == GDK_KEY_PRESS) { |
1645 | gdouble zoom = 0; |
1646 | switch(event->keyval) { |
1647 | |
1648 | case GDK_Left: |
1649 | map_do_scroll_step(appdata->map, -50, 0); |
1650 | break; |
1651 | |
1652 | case GDK_Right: |
1653 | map_do_scroll_step(appdata->map, +50, 0); |
1654 | break; |
1655 | |
1656 | case GDK_Up: |
1657 | map_do_scroll_step(appdata->map, 0, -50); |
1658 | break; |
1659 | |
1660 | case GDK_Down: |
1661 | map_do_scroll_step(appdata->map, 0, +50); |
1662 | break; |
1663 | |
1664 | case GDK_Return: // same as HILDON_HARDKEY_SELECT |
1665 | /* if the ok button is enabled, call its function */ |
1666 | if(GTK_WIDGET_FLAGS(appdata->iconbar->ok) & GTK_SENSITIVE) |
1667 | map_action_ok(appdata); |
1668 | /* otherwise if info is enabled call that */ |
1669 | else if(GTK_WIDGET_FLAGS(appdata->iconbar->info) & GTK_SENSITIVE) |
1670 | info_dialog(GTK_WIDGET(appdata->window), appdata, NULL); |
1671 | break; |
1672 | |
1673 | case GDK_Escape: // same as HILDON_HARDKEY_ESC |
1674 | /* if the cancel button is enabled, call its function */ |
1675 | if(GTK_WIDGET_FLAGS(appdata->iconbar->cancel) & GTK_SENSITIVE) |
1676 | map_action_cancel(appdata); |
1677 | break; |
1678 | |
1679 | #ifdef USE_HILDON |
1680 | case HILDON_HARDKEY_INCREASE: |
1681 | #else |
1682 | case '+': |
1683 | #endif |
1684 | zoom = appdata->map->state->zoom; |
1685 | zoom *= ZOOM_FACTOR_BUTTON; |
1686 | map_set_zoom(appdata->map, zoom, TRUE); |
1687 | printf("zoom is now %f (1:%d)\n", zoom, (int)zoom_to_scaledn(zoom)); |
1688 | return TRUE; |
1689 | break; |
1690 | |
1691 | #ifdef USE_HILDON |
1692 | case HILDON_HARDKEY_DECREASE: |
1693 | #else |
1694 | case '-': |
1695 | #endif |
1696 | zoom = appdata->map->state->zoom; |
1697 | zoom /= ZOOM_FACTOR_BUTTON; |
1698 | map_set_zoom(appdata->map, zoom, TRUE); |
1699 | printf("zoom is now %f (1:%d)\n", zoom, (int)zoom_to_scaledn(zoom)); |
1700 | return TRUE; |
1701 | break; |
1702 | |
1703 | default: |
1704 | printf("key event %d\n", event->keyval); |
1705 | break; |
1706 | } |
1707 | } |
1708 | return FALSE; |
1709 | } |
1710 | |
1711 | void map_state_reset(map_state_t *state) { |
1712 | if(!state) return; |
1713 | |
1714 | state->zoom = 0.25; |
1715 | state->detail = 1.0; |
1716 | |
1717 | state->scroll_offset.x = 0; |
1718 | state->scroll_offset.y = 0; |
1719 | } |
1720 | |
1721 | map_state_t *map_state_new(void) { |
1722 | map_state_t *state = g_new0(map_state_t, 1); |
1723 | map_state_reset(state); |
1724 | return state; |
1725 | } |
1726 | |
1727 | static gboolean map_autosave(gpointer data) { |
1728 | map_t *map = (map_t*)data; |
1729 | |
1730 | printf("autosave ...\n"); |
1731 | |
1732 | /* only do this if root window has focus as otherwise */ |
1733 | /* a dialog may be open and modifying the basic structures */ |
1734 | if(GTK_WIDGET_HAS_FOCUS(map->appdata->window)) { |
1735 | |
1736 | if(map->appdata->project && map->appdata->osm) { |
1737 | track_save(map->appdata->project, map->appdata->track.track); |
1738 | diff_save(map->appdata->project, map->appdata->osm); |
1739 | banner_show_info(map->appdata, _("Autosave")); |
1740 | } |
1741 | } |
1742 | |
1743 | return TRUE; |
1744 | } |
1745 | |
1746 | GtkWidget *map_new(appdata_t *appdata) { |
1747 | map_t *map = appdata->map = g_new0(map_t, 1); |
1748 | |
1749 | map->style = style_load(appdata, appdata->settings->style); |
1750 | if(!map->style) { |
1751 | errorf(NULL, _("Unable to load valid style, terminating.")); |
1752 | g_free(map); |
1753 | return NULL; |
1754 | } |
1755 | |
1756 | if(appdata->project && appdata->project->map_state) { |
1757 | printf("Using projects map state\n"); |
1758 | map->state = appdata->project->map_state; |
1759 | } else { |
1760 | printf("Creating new map state\n"); |
1761 | map->state = map_state_new(); |
1762 | } |
1763 | |
1764 | map->state->refcount++; |
1765 | |
1766 | map->pen_down.at.x = -1; |
1767 | map->pen_down.at.y = -1; |
1768 | map->appdata = appdata; |
1769 | map->action.type = MAP_ACTION_IDLE; |
1770 | |
1771 | map->canvas = canvas_new(); |
1772 | |
1773 | GtkWidget *canvas_widget = canvas_get_widget(map->canvas); |
1774 | |
1775 | gtk_widget_set_events(canvas_widget, |
1776 | GDK_BUTTON_PRESS_MASK |
1777 | | GDK_BUTTON_RELEASE_MASK |
1778 | | GDK_SCROLL_MASK |
1779 | | GDK_POINTER_MOTION_MASK |
1780 | | GDK_POINTER_MOTION_HINT_MASK); |
1781 | |
1782 | /* autosave happens every two minutes */ |
1783 | map->autosave_handler_id = gtk_timeout_add(120*1000, map_autosave, map); |
1784 | |
1785 | gtk_signal_connect(GTK_OBJECT(canvas_widget), |
1786 | "button_press_event", G_CALLBACK(map_button_event), appdata); |
1787 | gtk_signal_connect(GTK_OBJECT(canvas_widget), |
1788 | "button_release_event", G_CALLBACK(map_button_event), appdata); |
1789 | gtk_signal_connect(GTK_OBJECT(canvas_widget), |
1790 | "motion_notify_event", G_CALLBACK(map_motion_notify_event), appdata); |
1791 | gtk_signal_connect(GTK_OBJECT(canvas_widget), |
1792 | "scroll_event", G_CALLBACK(map_scroll_event), appdata); |
1793 | |
1794 | gtk_signal_connect(GTK_OBJECT(canvas_widget), |
1795 | "destroy", G_CALLBACK(map_destroy_event), appdata); |
1796 | |
1797 | return canvas_widget; |
1798 | } |
1799 | |
1800 | void map_init(appdata_t *appdata) { |
1801 | map_t *map = appdata->map; |
1802 | |
1803 | /* update canvas background color */ |
1804 | canvas_set_background(map->canvas, map->style->background.color); |
1805 | |
1806 | /* set initial zoom */ |
1807 | map_set_zoom(map, map->state->zoom, FALSE); |
1808 | josm_elemstyles_colorize_world(map->style, appdata->osm); |
1809 | |
1810 | map_draw(map, appdata->osm); |
1811 | |
1812 | float mult = appdata->map->style->frisket.mult; |
1813 | canvas_set_bounds(map->canvas, |
1814 | mult*appdata->osm->bounds->min.x, |
1815 | mult*appdata->osm->bounds->min.y, |
1816 | mult*appdata->osm->bounds->max.x, |
1817 | mult*appdata->osm->bounds->max.y); |
1818 | |
1819 | printf("restore scroll position %d/%d\n", |
1820 | map->state->scroll_offset.x, map->state->scroll_offset.y); |
1821 | |
1822 | map_limit_scroll(map, CANVAS_UNIT_METER, |
1823 | &map->state->scroll_offset.x, &map->state->scroll_offset.y); |
1824 | canvas_scroll_to(map->canvas, CANVAS_UNIT_METER, |
1825 | map->state->scroll_offset.x, map->state->scroll_offset.y); |
1826 | } |
1827 | |
1828 | |
1829 | void map_clear(appdata_t *appdata, gint group_mask) { |
1830 | map_t *map = appdata->map; |
1831 | |
1832 | printf("freeing map contents\n"); |
1833 | |
1834 | map_free_map_item_chains(appdata); |
1835 | |
1836 | /* remove a possibly existing highlight */ |
1837 | map_item_deselect(appdata); |
1838 | |
1839 | canvas_erase(map->canvas, group_mask); |
1840 | } |
1841 | |
1842 | void map_paint(appdata_t *appdata) { |
1843 | map_t *map = appdata->map; |
1844 | |
1845 | josm_elemstyles_colorize_world(map->style, appdata->osm); |
1846 | map_draw(map, appdata->osm); |
1847 | } |
1848 | |
1849 | /* called from several icons like e.g. "node_add" */ |
1850 | void map_action_set(appdata_t *appdata, map_action_t action) { |
1851 | printf("map action set to %d\n", action); |
1852 | |
1853 | appdata->map->action.type = action; |
1854 | |
1855 | /* enable/disable ok/cancel buttons */ |
1856 | // MAP_ACTION_IDLE=0, NODE_ADD, BG_ADJUST, WAY_ADD, WAY_NODE_ADD, WAY_CUT |
1857 | const gboolean ok_state[] = { FALSE, FALSE, TRUE, FALSE, FALSE, FALSE }; |
1858 | const gboolean cancel_state[] = { FALSE, TRUE, TRUE, TRUE, TRUE, TRUE }; |
1859 | |
1860 | g_assert(MAP_ACTION_NUM == sizeof(ok_state)/sizeof(gboolean)); |
1861 | g_assert(action < sizeof(ok_state)/sizeof(gboolean)); |
1862 | |
1863 | icon_bar_map_cancel_ok(appdata, cancel_state[action], ok_state[action]); |
1864 | |
1865 | switch(action) { |
1866 | case MAP_ACTION_BG_ADJUST: |
1867 | /* an existing selection only causes confusion ... */ |
1868 | map_item_deselect(appdata); |
1869 | break; |
1870 | |
1871 | case MAP_ACTION_WAY_ADD: |
1872 | printf("starting new way\n"); |
1873 | |
1874 | /* remember if there was a way selected */ |
1875 | way_t *way_sel = NULL; |
1876 | if(appdata->map->selected.object.type == WAY) |
1877 | way_sel = appdata->map->selected.object.way; |
1878 | |
1879 | map_item_deselect(appdata); |
1880 | map_edit_way_add_begin(appdata->map, way_sel); |
1881 | break; |
1882 | |
1883 | case MAP_ACTION_NODE_ADD: |
1884 | map_item_deselect(appdata); |
1885 | break; |
1886 | |
1887 | default: |
1888 | break; |
1889 | } |
1890 | |
1891 | icon_bar_map_action_idle(appdata, action == MAP_ACTION_IDLE); |
1892 | gtk_widget_set_sensitive(appdata->menu_item_wms_adjust, |
1893 | action == MAP_ACTION_IDLE); |
1894 | |
1895 | const char *str_state[] = { |
1896 | NULL, |
1897 | _("Place a node"), |
1898 | _("Adjust background image position"), |
1899 | _("Place first node of new way"), |
1900 | _("Place node on selected way"), |
1901 | _("Select segment to cut way"), |
1902 | }; |
1903 | |
1904 | g_assert(MAP_ACTION_NUM == sizeof(str_state)/sizeof(char*)); |
1905 | |
1906 | statusbar_set(appdata, str_state[action], FALSE); |
1907 | } |
1908 | |
1909 | |
1910 | void map_action_cancel(appdata_t *appdata) { |
1911 | map_t *map = appdata->map; |
1912 | |
1913 | switch(map->action.type) { |
1914 | case MAP_ACTION_WAY_ADD: |
1915 | map_edit_way_add_cancel(map); |
1916 | break; |
1917 | |
1918 | case MAP_ACTION_BG_ADJUST: |
1919 | /* undo all changes to bg_offset */ |
1920 | map->bg.offset.x = appdata->project->wms_offset.x; |
1921 | map->bg.offset.y = appdata->project->wms_offset.y; |
1922 | |
1923 | gint x = appdata->osm->bounds->min.x + map->bg.offset.x; |
1924 | gint y = appdata->osm->bounds->min.y + map->bg.offset.y; |
1925 | canvas_image_move(map->bg.item, x, y, map->bg.scale.x, map->bg.scale.y); |
1926 | break; |
1927 | |
1928 | default: |
1929 | break; |
1930 | } |
1931 | |
1932 | map_action_set(appdata, MAP_ACTION_IDLE); |
1933 | } |
1934 | |
1935 | void map_action_ok(appdata_t *appdata) { |
1936 | map_t *map = appdata->map; |
1937 | |
1938 | /* reset action now as this erases the statusbar and some */ |
1939 | /* of the actions may set it */ |
1940 | map_action_t type = map->action.type; |
1941 | map_action_set(appdata, MAP_ACTION_IDLE); |
1942 | |
1943 | switch(type) { |
1944 | case MAP_ACTION_WAY_ADD: |
1945 | map_edit_way_add_ok(map); |
1946 | break; |
1947 | |
1948 | case MAP_ACTION_BG_ADJUST: |
1949 | /* save changes to bg_offset in project */ |
1950 | appdata->project->wms_offset.x = map->bg.offset.x; |
1951 | appdata->project->wms_offset.y = map->bg.offset.y; |
1952 | break; |
1953 | |
1954 | default: |
1955 | break; |
1956 | } |
1957 | } |
1958 | |
1959 | /* called from icon "trash" */ |
1960 | void map_delete_selected(appdata_t *appdata) { |
1961 | map_t *map = appdata->map; |
1962 | |
1963 | if(!yes_no_f(GTK_WIDGET(appdata->window), |
1964 | appdata, MISC_AGAIN_ID_DELETE, MISC_AGAIN_FLAG_DONT_SAVE_NO, |
1965 | _("Delete selected object?"), |
1966 | _("Do you really want to delete the selected object?"))) |
1967 | return; |
1968 | |
1969 | /* work on local copy since de-selecting destroys the selection */ |
1970 | map_item_t item = map->selected; |
1971 | |
1972 | /* deleting the selected item de-selects it ... */ |
1973 | map_item_deselect(appdata); |
1974 | |
1975 | undo_open_new_state(appdata, UNDO_DELETE, &item.object); |
1976 | |
1977 | switch(item.object.type) { |
1978 | case NODE: |
1979 | printf("request to delete node #" ITEM_ID_FORMAT "\n", |
1980 | OBJECT_ID(item.object)); |
1981 | |
1982 | undo_append_object(appdata, UNDO_DELETE, &item.object); |
1983 | |
1984 | /* check if this node is part of a way with two nodes only. */ |
1985 | /* we cannot delete this as this would also delete the way */ |
1986 | way_chain_t *way_chain = osm_node_to_way(appdata->osm, item.object.node); |
1987 | if(way_chain) { |
1988 | gboolean short_way = FALSE; |
1989 | |
1990 | /* free the chain of ways */ |
1991 | while(way_chain && !short_way) { |
1992 | way_chain_t *next = way_chain->next; |
1993 | |
1994 | if(osm_way_number_of_nodes(way_chain->way) <= 2) |
1995 | short_way = TRUE; |
1996 | |
1997 | g_free(way_chain); |
1998 | way_chain = next; |
1999 | } |
2000 | |
2001 | if(short_way) { |
2002 | if(!yes_no_f(GTK_WIDGET(appdata->window), NULL, 0, 0, |
2003 | _("Delete node in short way(s)?"), |
2004 | _("Deleting this node will also delete one or more ways " |
2005 | "since they'll contain only one node afterwards. " |
2006 | "Do you really want this?"))) |
2007 | return; |
2008 | } |
2009 | } |
2010 | |
2011 | /* and mark it "deleted" in the database */ |
2012 | osm_node_remove_from_relation(appdata->osm, item.object.node); |
2013 | way_chain_t *chain = osm_node_delete(appdata->osm, |
2014 | &appdata->icon, item.object.node, FALSE, TRUE); |
2015 | |
2016 | /* redraw all affected ways */ |
2017 | while(chain) { |
2018 | way_chain_t *next = chain->next; |
2019 | |
2020 | if(osm_way_number_of_nodes(chain->way) == 1) { |
2021 | /* this way now only contains one node and thus isn't a valid */ |
2022 | /* way anymore. So it'll also get deleted (which in turn may */ |
2023 | /* cause other nodes to be deleted as well) */ |
2024 | map_way_delete(appdata, chain->way); |
2025 | } else { |
2026 | map_item_t item; |
2027 | item.object.type = WAY; |
2028 | item.object.way = chain->way; |
2029 | undo_append_object(appdata, UNDO_MODIFY, &(item.object)); |
2030 | map_item_redraw(appdata, &item); |
2031 | } |
2032 | |
2033 | g_free(chain); |
2034 | |
2035 | chain = next; |
2036 | } |
2037 | |
2038 | break; |
2039 | |
2040 | case WAY: |
2041 | printf("request to delete way #" ITEM_ID_FORMAT "\n", |
2042 | OBJECT_ID(item.object)); |
2043 | map_way_delete(appdata, item.object.way); |
2044 | break; |
2045 | |
2046 | default: |
2047 | g_assert((item.object.type == NODE) || |
2048 | (item.object.type == WAY)); |
2049 | break; |
2050 | } |
2051 | undo_close_state(appdata); |
2052 | } |
2053 | |
2054 | /* ----------------------- track related stuff ----------------------- */ |
2055 | |
2056 | static gboolean track_pos2lpos(bounds_t *bounds, pos_t *pos, lpos_t *lpos) { |
2057 | pos2lpos(bounds, pos, lpos); |
2058 | |
2059 | /* check if point is within bounds */ |
2060 | return ((lpos->x >= bounds->min.x) && (lpos->x <= bounds->max.x) && |
2061 | (lpos->y >= bounds->min.y) && (lpos->y <= bounds->max.y)); |
2062 | } |
2063 | |
2064 | void map_track_draw_seg(map_t *map, track_seg_t *seg) { |
2065 | bounds_t *bounds = map->appdata->osm->bounds; |
2066 | |
2067 | /* a track_seg needs at least 2 points to be drawn */ |
2068 | guint pnum = track_seg_points(seg); |
2069 | printf("seg of length %d\n", pnum); |
2070 | |
2071 | if(!pnum) |
2072 | return; |
2073 | |
2074 | /* nothing should have been drawn by now ... */ |
2075 | g_assert(!seg->item_chain); |
2076 | |
2077 | track_item_chain_t **itemP = &seg->item_chain; |
2078 | track_point_t *track_point = seg->track_point; |
2079 | while(track_point) { |
2080 | lpos_t lpos; |
2081 | |
2082 | /* skip all points not on screen */ |
2083 | track_point_t *last = NULL; |
2084 | while(track_point && !track_pos2lpos(bounds, &track_point->pos, &lpos)) { |
2085 | last = track_point; |
2086 | track_point = track_point->next; |
2087 | } |
2088 | |
2089 | int visible = 0; |
2090 | |
2091 | /* count nodes that _are_ on screen */ |
2092 | track_point_t *tmp = track_point; |
2093 | while(tmp && track_pos2lpos(bounds, &tmp->pos, &lpos)) { |
2094 | tmp = tmp->next; |
2095 | visible++; |
2096 | } |
2097 | |
2098 | /* actually start drawing with the last position that was offscreen */ |
2099 | /* so the track nicely enters the viewing area */ |
2100 | if(last) { |
2101 | track_point = last; |
2102 | visible++; |
2103 | } |
2104 | |
2105 | /* also use last one that's offscreen to nicely leave the visible area */ |
2106 | if(tmp && tmp->next) |
2107 | visible++; |
2108 | |
2109 | /* allocate space for nodes */ |
2110 | canvas_points_t *points = canvas_points_new(visible); |
2111 | |
2112 | printf("visible are %d\n", visible); |
2113 | int point; |
2114 | for(point=0;point<visible;point++) { |
2115 | track_pos2lpos(bounds, &track_point->pos, &lpos); |
2116 | |
2117 | points->coords[2*point+0] = lpos.x; |
2118 | points->coords[2*point+1] = lpos.y; |
2119 | track_point = track_point->next; |
2120 | } |
2121 | |
2122 | *itemP = g_new0(track_item_chain_t, 1); |
2123 | (*itemP)->item = canvas_polyline_new(map->canvas, CANVAS_GROUP_TRACK, |
2124 | points, map->style->track.width, map->style->track.color); |
2125 | itemP = &(*itemP)->next; |
2126 | |
2127 | canvas_points_free(points); |
2128 | } |
2129 | } |
2130 | |
2131 | /* update the last visible fragment of this segment since a */ |
2132 | /* gps position may have been added */ |
2133 | void map_track_update_seg(map_t *map, track_seg_t *seg) { |
2134 | bounds_t *bounds = map->appdata->osm->bounds; |
2135 | |
2136 | printf("-- APPENDING TO TRACK --\n"); |
2137 | |
2138 | /* a track_seg needs at least 2 points to be drawn */ |
2139 | guint pnum = track_seg_points(seg); |
2140 | printf("seg of length %d\n", pnum); |
2141 | |
2142 | /* there are two cases: either the second last point was on screen */ |
2143 | /* or it wasn't. We'll have to start a new screen item if the latter */ |
2144 | /* is the case */ |
2145 | |
2146 | /* search last point */ |
2147 | track_point_t *begin = seg->track_point, *second_last = seg->track_point; |
2148 | lpos_t lpos; |
2149 | while(second_last && second_last->next && second_last->next->next) { |
2150 | if(!track_pos2lpos(bounds, &second_last->pos, &lpos)) |
2151 | begin = second_last; |
2152 | |
2153 | second_last = second_last->next; |
2154 | } |
2155 | track_point_t *last = second_last->next; |
2156 | |
2157 | /* since we are updating an existing track, it sure has at least two */ |
2158 | /* points, second_last must be valid and its "next" (last) also */ |
2159 | g_assert(second_last); |
2160 | g_assert(last); |
2161 | |
2162 | /* check if the last and second_last points are visible */ |
2163 | gboolean last_is_visible = |
2164 | track_pos2lpos(bounds, &last->pos, &lpos); |
2165 | gboolean second_last_is_visible = |
2166 | track_pos2lpos(bounds, &second_last->pos, &lpos); |
2167 | |
2168 | /* if both are invisible, then nothing has changed on screen */ |
2169 | if(!last_is_visible && !second_last_is_visible) { |
2170 | printf("second_last and last entry are invisible -> doing nothing\n"); |
2171 | return; |
2172 | } |
2173 | |
2174 | /* search last element in item chain */ |
2175 | track_item_chain_t *item = seg->item_chain; |
2176 | while(item && item->next) |
2177 | item = item->next; |
2178 | |
2179 | if(second_last_is_visible) { |
2180 | /* there must be something already on the screen and there must */ |
2181 | /* be visible nodes in the chain */ |
2182 | g_assert(item); |
2183 | g_assert(begin); |
2184 | |
2185 | printf("second_last is visible -> append\n"); |
2186 | |
2187 | /* count points to be placed */ |
2188 | int npoints = 0; |
2189 | track_point_t *tmp = begin; |
2190 | while(tmp) { |
2191 | tmp = tmp->next; |
2192 | npoints++; |
2193 | } |
2194 | |
2195 | printf("updating last segment to %d points\n", npoints); |
2196 | |
2197 | canvas_points_t *points = canvas_points_new(npoints); |
2198 | |
2199 | gint point = 0; |
2200 | while(begin) { |
2201 | track_pos2lpos(bounds, &begin->pos, &lpos); |
2202 | canvas_point_set_pos(points, point++, &lpos); |
2203 | begin = begin->next; |
2204 | } |
2205 | |
2206 | canvas_item_set_points(item->item, points); |
2207 | canvas_points_free(points); |
2208 | |
2209 | } else { |
2210 | printf("second last is invisible -> start new screen segment\n"); |
2211 | |
2212 | /* the search for the "begin" ends with the second_last item */ |
2213 | /* verify the last one also */ |
2214 | if(begin->next && !track_pos2lpos(bounds, &begin->next->pos, &lpos)) |
2215 | begin = begin->next; |
2216 | |
2217 | item->next = g_new0(track_item_chain_t, 1); |
2218 | item = item->next; |
2219 | |
2220 | /* count points to be placed */ |
2221 | int npoints = 0; |
2222 | track_point_t *tmp = begin; |
2223 | while(tmp) { |
2224 | tmp = tmp->next; |
2225 | npoints++; |
2226 | } |
2227 | |
2228 | printf("attaching new segment with %d points\n", npoints); |
2229 | |
2230 | canvas_points_t *points = canvas_points_new(npoints); |
2231 | |
2232 | gint point = 0; |
2233 | while(begin) { |
2234 | track_pos2lpos(bounds, &begin->pos, &lpos); |
2235 | canvas_point_set_pos(points, point++, &lpos); |
2236 | begin = begin->next; |
2237 | } |
2238 | |
2239 | item->item = canvas_polyline_new(map->canvas, CANVAS_GROUP_TRACK, |
2240 | points, map->style->track.width, map->style->track.color); |
2241 | |
2242 | canvas_points_free(points); |
2243 | } |
2244 | |
2245 | } |
2246 | |
2247 | void map_track_draw(map_t *map, track_t *track) { |
2248 | track_seg_t *seg = track->track_seg; |
2249 | |
2250 | /* draw all segments */ |
2251 | while(seg) { |
2252 | map_track_draw_seg(map, seg); |
2253 | seg = seg->next; |
2254 | } |
2255 | } |
2256 | |
2257 | void map_track_remove(appdata_t *appdata) { |
2258 | track_t *track = appdata->track.track; |
2259 | |
2260 | printf("removing track\n"); |
2261 | |
2262 | g_assert(track); |
2263 | |
2264 | /* remove all segments */ |
2265 | track_seg_t *seg = track->track_seg; |
2266 | while(seg) { |
2267 | track_item_chain_t *item = seg->item_chain; |
2268 | while(item) { |
2269 | track_item_chain_t *next = item->next; |
2270 | canvas_item_destroy(item->item); |
2271 | item = next; |
2272 | } |
2273 | |
2274 | seg->item_chain = NULL; |
2275 | seg = seg->next; |
2276 | } |
2277 | } |
2278 | |
2279 | void map_track_pos(appdata_t *appdata, pos_t *pos) { |
2280 | if(appdata->track.gps_item) { |
2281 | canvas_item_destroy(appdata->track.gps_item); |
2282 | appdata->track.gps_item = NULL; |
2283 | } |
2284 | |
2285 | if(pos) { |
2286 | lpos_t lpos; |
2287 | pos2lpos(appdata->osm->bounds, pos, &lpos); |
2288 | |
2289 | if (appdata->map->style->track.gps_icon) { |
2290 | appdata->track.gps_item = |
2291 | canvas_image_new(appdata->map->canvas, CANVAS_GROUP_GPS, appdata->map->style->track.gps_icon, |
2292 | lpos.x, lpos.y, 1, 1); |
2293 | } |
2294 | else { |
2295 | float radius = appdata->map->style->track.width/2.0; |
2296 | gdouble zoom = canvas_get_zoom(appdata->map->canvas); |
2297 | if(zoom < GPS_RADIUS_LIMIT) { |
2298 | radius *= GPS_RADIUS_LIMIT; |
2299 | radius /= zoom; |
2300 | } |
2301 | |
2302 | appdata->track.gps_item = |
2303 | canvas_circle_new(appdata->map->canvas, CANVAS_GROUP_GPS, |
2304 | lpos.x, lpos.y, radius, 0, |
2305 | appdata->map->style->track.gps_color, NO_COLOR); |
2306 | } |
2307 | } |
2308 | } |
2309 | |
2310 | /* ------------------- map background ------------------ */ |
2311 | |
2312 | void map_remove_bg_image(map_t *map) { |
2313 | if(!map) return; |
2314 | |
2315 | if(map->bg.item) { |
2316 | canvas_item_destroy(map->bg.item); |
2317 | map->bg.item = NULL; |
2318 | } |
2319 | } |
2320 | |
2321 | static gint map_bg_item_destroy_event(GtkWidget *widget, gpointer data) { |
2322 | map_t *map = (map_t*)data; |
2323 | |
2324 | /* destroying background item */ |
2325 | |
2326 | map->bg.item = NULL; |
2327 | if(map->bg.pix) { |
2328 | printf("destroying background item\n"); |
2329 | gdk_pixbuf_unref(map->bg.pix); |
2330 | map->bg.pix = NULL; |
2331 | } |
2332 | return FALSE; |
2333 | } |
2334 | |
2335 | void map_set_bg_image(map_t *map, char *filename) { |
2336 | bounds_t *bounds = map->appdata->osm->bounds; |
2337 | |
2338 | map_remove_bg_image(map); |
2339 | |
2340 | map->bg.pix = gdk_pixbuf_new_from_file(filename, NULL); |
2341 | |
2342 | /* calculate required scale factor */ |
2343 | map->bg.scale.x = (float)(bounds->max.x - bounds->min.x)/ |
2344 | (float)gdk_pixbuf_get_width(map->bg.pix); |
2345 | map->bg.scale.y = (float)(bounds->max.y - bounds->min.y)/ |
2346 | (float)gdk_pixbuf_get_height(map->bg.pix); |
2347 | |
2348 | map->bg.item = canvas_image_new(map->canvas, CANVAS_GROUP_BG, map->bg.pix, |
2349 | bounds->min.x, bounds->min.y, map->bg.scale.x, map->bg.scale.y); |
2350 | |
2351 | canvas_item_destroy_connect(map->bg.item, |
2352 | G_CALLBACK(map_bg_item_destroy_event), map); |
2353 | } |
2354 | |
2355 | |
2356 | /* -------- hide and show objects (for performance reasons) ------- */ |
2357 | |
2358 | void map_hide_selected(appdata_t *appdata) { |
2359 | map_t *map = appdata->map; |
2360 | if(!map) return; |
2361 | |
2362 | if(map->selected.object.type != WAY) { |
2363 | printf("selected item is not a way\n"); |
2364 | return; |
2365 | } |
2366 | |
2367 | way_t *way = map->selected.object.way; |
2368 | printf("hiding way #" ITEM_ID_FORMAT "\n", OSM_ID(way)); |
2369 | |
2370 | map_item_deselect(appdata); |
2371 | OSM_FLAGS(way) |= OSM_FLAG_HIDDEN; |
2372 | map_item_chain_destroy(&way->map_item_chain); |
2373 | |
2374 | gtk_widget_set_sensitive(appdata->menu_item_map_show_all, TRUE); |
2375 | } |
2376 | |
2377 | void map_show_all(appdata_t *appdata) { |
2378 | map_t *map = appdata->map; |
2379 | if(!map) return; |
2380 | |
2381 | way_t *way = appdata->osm->way; |
2382 | while(way) { |
2383 | if(OSM_FLAGS(way) & OSM_FLAG_HIDDEN) { |
2384 | OSM_FLAGS(way) &= ~OSM_FLAG_HIDDEN; |
2385 | map_way_draw(map, way); |
2386 | } |
2387 | |
2388 | way = way->next; |
2389 | } |
2390 | |
2391 | gtk_widget_set_sensitive(appdata->menu_item_map_show_all, FALSE); |
2392 | } |
2393 | |
2394 | void map_detail_change(map_t *map, float detail) { |
2395 | appdata_t *appdata = map->appdata; |
2396 | |
2397 | /* deselecting anything allows us not to care about automatic deselection */ |
2398 | /* as well as items becoming invisible by the detail change */ |
2399 | map_item_deselect(appdata); |
2400 | |
2401 | map->state->detail = detail; |
2402 | printf("changing detail factor to %f\n", map->state->detail); |
2403 | |
2404 | map_clear(appdata, MAP_LAYER_OBJECTS_ONLY); |
2405 | map_paint(appdata); |
2406 | } |
2407 | |
2408 | void map_detail_increase(map_t *map) { |
2409 | if(!map) return; |
2410 | banner_busy_start(map->appdata, 1, _("Increasing detail level")); |
2411 | map_detail_change(map, map->state->detail * MAP_DETAIL_STEP); |
2412 | banner_busy_stop(map->appdata); |
2413 | } |
2414 | |
2415 | void map_detail_decrease(map_t *map) { |
2416 | if(!map) return; |
2417 | banner_busy_start(map->appdata, 1, _("Decreasing detail level")); |
2418 | map_detail_change(map, map->state->detail / MAP_DETAIL_STEP); |
2419 | banner_busy_stop(map->appdata); |
2420 | } |
2421 | |
2422 | void map_detail_normal(map_t *map) { |
2423 | if(!map) return; |
2424 | banner_busy_start(map->appdata, 1, _("Restoring default detail level")); |
2425 | map_detail_change(map, 1.0); |
2426 | banner_busy_stop(map->appdata); |
2427 | } |
2428 | |
2429 | // vim:et:ts=8:sw=2:sts=2:ai |