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Usage of base object completed
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 | char *str = NULL; |
30 | |
31 | gboolean collision = FALSE; |
32 | tag_t *tags = tag; |
33 | while(tag) { |
34 | if(!collision && info_tag_key_collision(tags, tag)) |
35 | collision = TRUE; |
36 | tag = tag->next; |
37 | } |
38 | |
39 | str = osm_object_get_name(&map_item->object); |
40 | statusbar_set(map->appdata, str, collision); |
41 | g_free(str); |
42 | } |
43 | |
44 | void map_outside_error(appdata_t *appdata) { |
45 | errorf(GTK_WIDGET(appdata->window), |
46 | _("Items must not be placed outside the working area!")); |
47 | } |
48 | |
49 | void map_item_chain_destroy(map_item_chain_t **chainP) { |
50 | if(!*chainP) { |
51 | printf("nothing to destroy!\n"); |
52 | return; |
53 | } |
54 | |
55 | #ifdef DESTROY_WAIT_FOR_GTK |
56 | map_item_chain_t *chain = *chainP; |
57 | while(chain) { |
58 | map_item_chain_t *next = chain->next; |
59 | canvas_item_destroy(chain->map_item->item); |
60 | chain = next; |
61 | } |
62 | |
63 | /* wait until gtks event handling has actually destroyed this item */ |
64 | printf("waiting for item destruction "); |
65 | while(gtk_events_pending() || *chainP) { |
66 | putchar('.'); |
67 | gtk_main_iteration(); |
68 | } |
69 | printf(" ok\n"); |
70 | |
71 | /* the callback routine connected to this item should have been */ |
72 | /* called by now and it has set the chain to NULL */ |
73 | |
74 | #else |
75 | map_item_chain_t *chain = *chainP; |
76 | while(chain) { |
77 | map_item_chain_t *next = chain->next; |
78 | canvas_item_destroy(chain->map_item->item); |
79 | |
80 | g_free(chain); |
81 | chain = next; |
82 | } |
83 | *chainP = NULL; |
84 | #endif |
85 | } |
86 | |
87 | static void map_node_select(appdata_t *appdata, node_t *node) { |
88 | map_t *map = appdata->map; |
89 | map_item_t *map_item = &map->selected; |
90 | |
91 | g_assert(!map->highlight); |
92 | |
93 | map_item->object.type = NODE; |
94 | map_item->object.node = node; |
95 | map_item->highlight = FALSE; |
96 | |
97 | /* node may not have any visible representation at all */ |
98 | if(node->map_item_chain) |
99 | map_item->item = node->map_item_chain->map_item->item; |
100 | else |
101 | map_item->item = NULL; |
102 | |
103 | map_statusbar(map, map_item); |
104 | icon_bar_map_item_selected(appdata, map_item, TRUE); |
105 | |
106 | /* highlight node */ |
107 | gint x = map_item->object.node->lpos.x, y = map_item->object.node->lpos.y; |
108 | |
109 | /* create a copy of this map item and mark it as being a highlight */ |
110 | map_item_t *new_map_item = g_new0(map_item_t, 1); |
111 | memcpy(new_map_item, map_item, sizeof(map_item_t)); |
112 | new_map_item->highlight = TRUE; |
113 | |
114 | float radius = map->style->highlight.width + map->style->node.radius; |
115 | if(!node->ways) radius += map->style->node.border_radius; |
116 | if(node->icon_buf && map->style->icon.enable && |
117 | !appdata->settings->no_icons) { |
118 | gint w = gdk_pixbuf_get_width(map_item->object.node->icon_buf); |
119 | gint h = gdk_pixbuf_get_height(map_item->object.node->icon_buf); |
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 * ((w>h)?w:h); |
123 | } |
124 | |
125 | radius *= map->state->detail; |
126 | map_hl_circle_new(map, CANVAS_GROUP_NODES_HL, new_map_item, |
127 | x, y, radius, map->style->highlight.color); |
128 | |
129 | if(!map_item->item) { |
130 | /* and draw a fake node */ |
131 | new_map_item = g_new0(map_item_t, 1); |
132 | memcpy(new_map_item, map_item, sizeof(map_item_t)); |
133 | new_map_item->highlight = TRUE; |
134 | map_hl_circle_new(map, CANVAS_GROUP_NODES_IHL, new_map_item, |
135 | x, y, map->style->node.radius, |
136 | map->style->highlight.node_color); |
137 | } |
138 | } |
139 | |
140 | void map_way_select(appdata_t *appdata, way_t *way) { |
141 | map_t *map = appdata->map; |
142 | map_item_t *map_item = &map->selected; |
143 | |
144 | g_assert(!map->highlight); |
145 | |
146 | map_item->object.type = WAY; |
147 | map_item->object.way = way; |
148 | map_item->highlight = FALSE; |
149 | map_item->item = way->map_item_chain->map_item->item; |
150 | |
151 | map_statusbar(map, map_item); |
152 | icon_bar_map_item_selected(appdata, map_item, TRUE); |
153 | gtk_widget_set_sensitive(appdata->menu_item_map_hide_sel, TRUE); |
154 | |
155 | gint arrow_width = ((map_item->object.way->draw.flags & OSM_DRAW_FLAG_BG)? |
156 | map->style->highlight.width + map_item->object.way->draw.bg.width/2: |
157 | map->style->highlight.width + map_item->object.way->draw.width/2) |
158 | * map->state->detail; |
159 | |
160 | node_chain_t *node_chain = map_item->object.way->node_chain; |
161 | node_t *last = NULL; |
162 | while(node_chain) { |
163 | map_item_t item; |
164 | item.object.type = NODE; |
165 | item.object.node = node_chain->node; |
166 | |
167 | /* draw an arrow between every two nodes */ |
168 | if(last) { |
169 | /* create a new map item for every arrow */ |
170 | map_item_t *new_map_item = g_new0(map_item_t, 1); |
171 | new_map_item->object.type = WAY; |
172 | new_map_item->object.way = way; |
173 | new_map_item->highlight = TRUE; |
174 | |
175 | struct { float x, y;} center, diff; |
176 | center.x = (last->lpos.x + node_chain->node->lpos.x)/2; |
177 | center.y = (last->lpos.y + node_chain->node->lpos.y)/2; |
178 | diff.x = node_chain->node->lpos.x - last->lpos.x; |
179 | diff.y = node_chain->node->lpos.y - last->lpos.y; |
180 | |
181 | /* only draw arrow if there's sufficient space */ |
182 | /* TODO: what if there's not enough space anywhere? */ |
183 | float len = sqrt(pow(diff.x, 2)+pow(diff.y, 2)); |
184 | if(len > map->style->highlight.arrow_limit*arrow_width) { |
185 | len /= arrow_width; |
186 | diff.x = diff.x / len; |
187 | diff.y = diff.y / len; |
188 | |
189 | canvas_points_t *points = canvas_points_new(4); |
190 | points->coords[2*0+0] = points->coords[2*3+0] = center.x + diff.x; |
191 | points->coords[2*0+1] = points->coords[2*3+1] = center.y + diff.y; |
192 | points->coords[2*1+0] = center.x + diff.y - diff.x; |
193 | points->coords[2*1+1] = center.y - diff.x - diff.y; |
194 | points->coords[2*2+0] = center.x - diff.y - diff.x; |
195 | points->coords[2*2+1] = center.y + diff.x - diff.y; |
196 | |
197 | map_hl_polygon_new(map, CANVAS_GROUP_WAYS_DIR, new_map_item, |
198 | points, map->style->highlight.arrow_color); |
199 | |
200 | canvas_points_free(points); |
201 | } |
202 | } |
203 | |
204 | if(!map_hl_item_is_highlighted(map, &item)) { |
205 | |
206 | /* create a new map item for every node */ |
207 | map_item_t *new_map_item = g_new0(map_item_t, 1); |
208 | new_map_item->object.type = NODE; |
209 | new_map_item->object.node = node_chain->node; |
210 | new_map_item->highlight = TRUE; |
211 | |
212 | gint x = node_chain->node->lpos.x; |
213 | gint y = node_chain->node->lpos.y; |
214 | |
215 | map_hl_circle_new(map, CANVAS_GROUP_NODES_IHL, new_map_item, |
216 | x, y, map->style->node.radius * map->state->detail, |
217 | map->style->highlight.node_color); |
218 | } |
219 | |
220 | last = node_chain->node; |
221 | node_chain = node_chain->next; |
222 | } |
223 | |
224 | /* a way needs at least 2 points to be drawn */ |
225 | guint nodes = osm_way_number_of_nodes(way); |
226 | if(nodes > 1) { |
227 | |
228 | /* allocate space for nodes */ |
229 | canvas_points_t *points = canvas_points_new(nodes); |
230 | |
231 | int node = 0; |
232 | node_chain = map_item->object.way->node_chain; |
233 | while(node_chain) { |
234 | canvas_point_set_pos(points, node++, &node_chain->node->lpos); |
235 | node_chain = node_chain->next; |
236 | } |
237 | |
238 | /* create a copy of this map item and mark it as being a highlight */ |
239 | map_item_t *new_map_item = g_new0(map_item_t, 1); |
240 | memcpy(new_map_item, map_item, sizeof(map_item_t)); |
241 | new_map_item->highlight = TRUE; |
242 | |
243 | map_hl_polyline_new(map, CANVAS_GROUP_WAYS_HL, new_map_item, points, |
244 | ((map_item->object.way->draw.flags & OSM_DRAW_FLAG_BG)? |
245 | 2*map->style->highlight.width + map_item->object.way->draw.bg.width: |
246 | 2*map->style->highlight.width + map_item->object.way->draw.width) |
247 | * map->state->detail, map->style->highlight.color); |
248 | |
249 | canvas_points_free(points); |
250 | } |
251 | } |
252 | |
253 | void map_relation_select(appdata_t *appdata, relation_t *relation) { |
254 | map_t *map = appdata->map; |
255 | |
256 | printf("highlighting relation "ITEM_ID_FORMAT"\n", OSM_ID(relation)); |
257 | |
258 | g_assert(!map->highlight); |
259 | map_highlight_t **hl = &map->highlight; |
260 | |
261 | map_item_t *map_item = &map->selected; |
262 | map_item->object.type = RELATION; |
263 | map_item->object.relation = relation; |
264 | map_item->highlight = FALSE; |
265 | map_item->item = NULL; |
266 | |
267 | map_statusbar(map, map_item); |
268 | icon_bar_map_item_selected(appdata, map_item, TRUE); |
269 | |
270 | /* process all members */ |
271 | member_t *member = relation->member; |
272 | while(member) { |
273 | canvas_item_t *item = NULL; |
274 | |
275 | switch(member->object.type) { |
276 | |
277 | case NODE: { |
278 | node_t *node = member->object.node; |
279 | printf(" -> node "ITEM_ID_FORMAT"\n", OSM_ID(node)); |
280 | |
281 | item = canvas_circle_new(map->canvas, CANVAS_GROUP_NODES_HL, |
282 | node->lpos.x, node->lpos.y, |
283 | map->style->highlight.width + map->style->node.radius, |
284 | 0, map->style->highlight.color, NO_COLOR); |
285 | } break; |
286 | |
287 | case WAY: { |
288 | way_t *way = member->object.way; |
289 | /* a way needs at least 2 points to be drawn */ |
290 | guint nodes = osm_way_number_of_nodes(way); |
291 | if(nodes > 1) { |
292 | |
293 | /* allocate space for nodes */ |
294 | canvas_points_t *points = canvas_points_new(nodes); |
295 | |
296 | int node = 0; |
297 | node_chain_t *node_chain = way->node_chain; |
298 | while(node_chain) { |
299 | canvas_point_set_pos(points, node++, &node_chain->node->lpos); |
300 | node_chain = node_chain->next; |
301 | } |
302 | |
303 | if(way->draw.flags & OSM_DRAW_FLAG_AREA) |
304 | item = canvas_polygon_new(map->canvas, CANVAS_GROUP_WAYS_HL, points, 0, 0, |
305 | map->style->highlight.color); |
306 | else |
307 | item = canvas_polyline_new(map->canvas, CANVAS_GROUP_WAYS_HL, points, |
308 | (way->draw.flags & OSM_DRAW_FLAG_BG)? |
309 | 2*map->style->highlight.width + way->draw.bg.width: |
310 | 2*map->style->highlight.width + way->draw.width, |
311 | map->style->highlight.color); |
312 | |
313 | canvas_points_free(points); |
314 | } } break; |
315 | |
316 | default: |
317 | break; |
318 | } |
319 | |
320 | /* attach item to item chain */ |
321 | if(item) { |
322 | *hl = g_new0(map_highlight_t, 1); |
323 | (*hl)->item = item; |
324 | hl = &(*hl)->next; |
325 | } |
326 | |
327 | member = member->next; |
328 | } |
329 | } |
330 | |
331 | static void map_object_select(appdata_t *appdata, object_t *object) { |
332 | switch(object->type) { |
333 | case NODE: |
334 | map_node_select(appdata, object->node); |
335 | break; |
336 | case WAY: |
337 | map_way_select(appdata, object->way); |
338 | break; |
339 | case RELATION: |
340 | map_relation_select(appdata, object->relation); |
341 | break; |
342 | default: |
343 | g_assert((object->type == NODE)||(object->type == RELATION)|| |
344 | (object->type == WAY)); |
345 | break; |
346 | } |
347 | } |
348 | |
349 | void map_item_deselect(appdata_t *appdata) { |
350 | |
351 | /* save tags for "last" function in info dialog */ |
352 | if(appdata->map->selected.object.type == NODE) { |
353 | if(appdata->map->last_node_tags) |
354 | osm_tags_free(appdata->map->last_node_tags); |
355 | |
356 | appdata->map->last_node_tags = |
357 | osm_tags_copy(OBJECT_TAG(appdata->map->selected.object)); |
358 | } else if(appdata->map->selected.object.type == WAY) { |
359 | if(appdata->map->last_way_tags) |
360 | osm_tags_free(appdata->map->last_way_tags); |
361 | |
362 | appdata->map->last_way_tags = |
363 | osm_tags_copy(OBJECT_TAG(appdata->map->selected.object)); |
364 | } |
365 | |
366 | /* remove statusbar message */ |
367 | statusbar_set(appdata, NULL, FALSE); |
368 | |
369 | /* disable/enable icons in icon bar */ |
370 | icon_bar_map_item_selected(appdata, NULL, FALSE); |
371 | gtk_widget_set_sensitive(appdata->menu_item_map_hide_sel, FALSE); |
372 | |
373 | /* remove highlight */ |
374 | map_hl_remove(appdata); |
375 | |
376 | /* forget about selection */ |
377 | appdata->map->selected.object.type = ILLEGAL; |
378 | } |
379 | |
380 | /* called whenever a map item is to be destroyed */ |
381 | static gint map_item_destroy_event(GtkWidget *widget, gpointer data) { |
382 | map_item_t *map_item = (map_item_t*)data; |
383 | |
384 | // printf("destroying map_item @ %p\n", map_item); |
385 | |
386 | #ifdef DESTROY_WAIT_FOR_GTK |
387 | /* remove item from nodes/ways map_item_chain */ |
388 | map_item_chain_t **chain = NULL; |
389 | if(map_item->object.type == NODE) |
390 | chain = &map_item->object.node->map_item_chain; |
391 | else if(map_item->object.type == WAY) |
392 | chain = &map_item->object.way->map_item_chain; |
393 | |
394 | /* there must be a chain with content, otherwise things are broken */ |
395 | g_assert(chain); |
396 | g_assert(*chain); |
397 | |
398 | /* search current map_item, ... */ |
399 | while(*chain && (*chain)->map_item != map_item) |
400 | chain = &(*chain)->next; |
401 | |
402 | g_assert(*chain); |
403 | |
404 | /* ... remove it from chain and free it */ |
405 | map_item_chain_t *tmp = *chain; |
406 | *chain = (*chain)->next; |
407 | |
408 | g_free(tmp); |
409 | #endif |
410 | |
411 | g_free(map_item); |
412 | return FALSE; |
413 | } |
414 | |
415 | static canvas_item_t *map_node_new(map_t *map, node_t *node, gint radius, |
416 | gint width, canvas_color_t fill, canvas_color_t border) { |
417 | |
418 | map_item_t *map_item = g_new0(map_item_t, 1); |
419 | map_item->object.type = NODE; |
420 | map_item->object.node = node; |
421 | |
422 | if(!node->icon_buf || !map->style->icon.enable || |
423 | map->appdata->settings->no_icons) |
424 | map_item->item = canvas_circle_new(map->canvas, CANVAS_GROUP_NODES, |
425 | node->lpos.x, node->lpos.y, radius, width, fill, border); |
426 | else |
427 | map_item->item = canvas_image_new(map->canvas, CANVAS_GROUP_NODES, |
428 | node->icon_buf, |
429 | node->lpos.x - map->style->icon.scale/2 * map->state->detail * |
430 | gdk_pixbuf_get_width(node->icon_buf), |
431 | node->lpos.y - map->style->icon.scale/2 * map->state->detail * |
432 | gdk_pixbuf_get_height(node->icon_buf), |
433 | map->state->detail * map->style->icon.scale, |
434 | map->state->detail * map->style->icon.scale); |
435 | |
436 | canvas_item_set_zoom_max(map_item->item, |
437 | node->zoom_max / (2 * map->state->detail)); |
438 | |
439 | /* attach map_item to nodes map_item_chain */ |
440 | map_item_chain_t **chain = &node->map_item_chain; |
441 | while(*chain) chain = &(*chain)->next; |
442 | *chain = g_new0(map_item_chain_t, 1); |
443 | (*chain)->map_item = map_item; |
444 | |
445 | canvas_item_set_user_data(map_item->item, map_item); |
446 | |
447 | canvas_item_destroy_connect(map_item->item, |
448 | G_CALLBACK(map_item_destroy_event), map_item); |
449 | |
450 | return map_item->item; |
451 | } |
452 | |
453 | /* in the rare case that a way consists of only one node, it is */ |
454 | /* drawn as a circle. This e.g. happens when drawing a new way */ |
455 | static canvas_item_t *map_way_single_new(map_t *map, way_t *way, gint radius, |
456 | gint width, canvas_color_t fill, canvas_color_t border) { |
457 | |
458 | map_item_t *map_item = g_new0(map_item_t, 1); |
459 | map_item->object.type = WAY; |
460 | map_item->object.way = way; |
461 | map_item->item = canvas_circle_new(map->canvas, CANVAS_GROUP_WAYS, |
462 | way->node_chain->node->lpos.x, way->node_chain->node->lpos.y, |
463 | radius, width, fill, border); |
464 | |
465 | // TODO: decide: do we need canvas_item_set_zoom_max() here too? |
466 | |
467 | /* attach map_item to nodes map_item_chain */ |
468 | map_item_chain_t **chain = &way->map_item_chain; |
469 | while(*chain) chain = &(*chain)->next; |
470 | *chain = g_new0(map_item_chain_t, 1); |
471 | (*chain)->map_item = map_item; |
472 | |
473 | canvas_item_set_user_data(map_item->item, map_item); |
474 | |
475 | canvas_item_destroy_connect(map_item->item, |
476 | G_CALLBACK(map_item_destroy_event), map_item); |
477 | |
478 | return map_item->item; |
479 | } |
480 | |
481 | static canvas_item_t *map_way_new(map_t *map, canvas_group_t group, |
482 | way_t *way, canvas_points_t *points, gint width, |
483 | canvas_color_t color, canvas_color_t fill_color) { |
484 | map_item_t *map_item = g_new0(map_item_t, 1); |
485 | map_item->object.type = WAY; |
486 | map_item->object.way = way; |
487 | |
488 | if(way->draw.flags & OSM_DRAW_FLAG_AREA) { |
489 | if(map->style->area.color & 0xff) |
490 | map_item->item = canvas_polygon_new(map->canvas, group, points, |
491 | width, color, fill_color); |
492 | else |
493 | map_item->item = canvas_polyline_new(map->canvas, group, points, |
494 | width, color); |
495 | } else { |
496 | map_item->item = canvas_polyline_new(map->canvas, group, points, width, color); |
497 | } |
498 | |
499 | canvas_item_set_zoom_max(map_item->item, |
500 | way->draw.zoom_max / (2 * map->state->detail)); |
501 | |
502 | /* a ways outline itself is never dashed */ |
503 | if (group != CANVAS_GROUP_WAYS_OL) |
504 | if (way->draw.dashed) |
505 | canvas_item_set_dashed(map_item->item, width, way->draw.dash_length); |
506 | |
507 | /* attach map_item to ways map_item_chain */ |
508 | map_item_chain_t **chain = &way->map_item_chain; |
509 | while(*chain) chain = &(*chain)->next; |
510 | *chain = g_new0(map_item_chain_t, 1); |
511 | (*chain)->map_item = map_item; |
512 | |
513 | canvas_item_set_user_data(map_item->item, map_item); |
514 | |
515 | canvas_item_destroy_connect(map_item->item, |
516 | G_CALLBACK(map_item_destroy_event), map_item); |
517 | |
518 | return map_item->item; |
519 | } |
520 | |
521 | void map_show_node(map_t *map, node_t *node) { |
522 | map_node_new(map, node, map->style->node.radius, 0, |
523 | map->style->node.color, 0); |
524 | } |
525 | |
526 | void map_way_draw(map_t *map, way_t *way) { |
527 | |
528 | /* don't draw a way that's not there anymore */ |
529 | if(OSM_FLAGS(way) & (OSM_FLAG_DELETED | OSM_FLAG_HIDDEN)) |
530 | return; |
531 | |
532 | /* allocate space for nodes */ |
533 | /* a way needs at least 2 points to be drawn */ |
534 | guint nodes = osm_way_number_of_nodes(way); |
535 | if(nodes == 1) { |
536 | /* draw a single dot where this single node is */ |
537 | map_way_single_new(map, way, map->style->node.radius, 0, |
538 | map->style->node.color, 0); |
539 | } else { |
540 | canvas_points_t *points = canvas_points_new(nodes); |
541 | |
542 | int node = 0; |
543 | node_chain_t *node_chain = way->node_chain; |
544 | while(node_chain) { |
545 | canvas_point_set_pos(points, node++, &node_chain->node->lpos); |
546 | node_chain = node_chain->next; |
547 | } |
548 | |
549 | /* draw way */ |
550 | float width = way->draw.width * map->state->detail; |
551 | |
552 | if(way->draw.flags & OSM_DRAW_FLAG_AREA) { |
553 | map_way_new(map, CANVAS_GROUP_POLYGONS, way, points, |
554 | width, way->draw.color, way->draw.area.color); |
555 | } else { |
556 | |
557 | if(way->draw.flags & OSM_DRAW_FLAG_BG) { |
558 | map_way_new(map, CANVAS_GROUP_WAYS_INT, way, points, |
559 | width, way->draw.color, NO_COLOR); |
560 | |
561 | map_way_new(map, CANVAS_GROUP_WAYS_OL, way, points, |
562 | way->draw.bg.width * map->state->detail, |
563 | way->draw.bg.color, NO_COLOR); |
564 | |
565 | } else |
566 | map_way_new(map, CANVAS_GROUP_WAYS, way, points, |
567 | width, way->draw.color, NO_COLOR); |
568 | } |
569 | canvas_points_free(points); |
570 | } |
571 | } |
572 | |
573 | void map_node_draw(map_t *map, node_t *node) { |
574 | /* don't draw a node that's not there anymore */ |
575 | if(OSM_FLAGS(node) & OSM_FLAG_DELETED) |
576 | return; |
577 | |
578 | if(!node->ways) |
579 | map_node_new(map, node, |
580 | map->style->node.radius * map->state->detail, |
581 | map->style->node.border_radius * map->state->detail, |
582 | map->style->node.fill_color, |
583 | map->style->node.color); |
584 | |
585 | else if(map->style->node.show_untagged || osm_node_has_tag(node)) |
586 | map_node_new(map, node, |
587 | map->style->node.radius * map->state->detail, 0, |
588 | map->style->node.color, 0); |
589 | } |
590 | |
591 | static void map_item_draw(map_t *map, map_item_t *map_item) { |
592 | switch(map_item->object.type) { |
593 | case NODE: |
594 | map_node_draw(map, map_item->object.node); |
595 | break; |
596 | case WAY: |
597 | map_way_draw(map, map_item->object.way); |
598 | break; |
599 | default: |
600 | g_assert((map_item->object.type == NODE) || |
601 | (map_item->object.type == WAY)); |
602 | } |
603 | } |
604 | |
605 | static void map_item_remove(map_t *map, map_item_t *map_item) { |
606 | map_item_chain_t **chainP = NULL; |
607 | |
608 | switch(map_item->object.type) { |
609 | case NODE: |
610 | chainP = &map_item->object.node->map_item_chain; |
611 | break; |
612 | case WAY: |
613 | chainP = &map_item->object.way->map_item_chain; |
614 | break; |
615 | default: |
616 | g_assert((map_item->object.type == NODE) || |
617 | (map_item->object.type == WAY)); |
618 | } |
619 | |
620 | map_item_chain_destroy(chainP); |
621 | } |
622 | |
623 | static void map_item_init(style_t *style, map_item_t *map_item) { |
624 | switch (map_item->object.type){ |
625 | case WAY: |
626 | josm_elemstyles_colorize_way(style, map_item->object.way); |
627 | break; |
628 | case NODE: |
629 | josm_elemstyles_colorize_node(style, map_item->object.node); |
630 | break; |
631 | default: |
632 | g_assert((map_item->object.type == NODE) || |
633 | (map_item->object.type == WAY)); |
634 | } |
635 | } |
636 | |
637 | void map_item_redraw(appdata_t *appdata, map_item_t *map_item) { |
638 | map_item_t item = *map_item; |
639 | |
640 | /* a relation cannot be redraws as it doesn't have a visual */ |
641 | /* representation */ |
642 | if(map_item->object.type == RELATION) |
643 | return; |
644 | |
645 | /* check if the item to be redrawn is the selected one */ |
646 | gboolean is_selected = FALSE; |
647 | if(map_item->object.ptr == appdata->map->selected.object.ptr) { |
648 | map_item_deselect(appdata); |
649 | is_selected = TRUE; |
650 | } |
651 | |
652 | map_item_remove(appdata->map, &item); |
653 | map_item_init(appdata->map->style, &item); |
654 | map_item_draw(appdata->map, &item); |
655 | |
656 | /* restore selection if there was one */ |
657 | if(is_selected) |
658 | map_object_select(appdata, &item.object); |
659 | } |
660 | |
661 | static void map_frisket_rectangle(canvas_points_t *points, |
662 | gint x0, gint x1, gint y0, gint y1) { |
663 | points->coords[2*0+0] = points->coords[2*3+0] = points->coords[2*4+0] = x0; |
664 | points->coords[2*1+0] = points->coords[2*2+0] = x1; |
665 | points->coords[2*0+1] = points->coords[2*1+1] = points->coords[2*4+1] = y0; |
666 | points->coords[2*2+1] = points->coords[2*3+1] = y1; |
667 | } |
668 | |
669 | /* Draw the frisket area which masks off areas it'd be unsafe to edit, |
670 | * plus its inner edge marker line */ |
671 | void map_frisket_draw(map_t *map, bounds_t *bounds) { |
672 | canvas_points_t *points = canvas_points_new(5); |
673 | |
674 | /* don't draw frisket at all if it's completely transparent */ |
675 | if(map->style->frisket.color & 0xff) { |
676 | elemstyle_color_t color = map->style->frisket.color; |
677 | |
678 | float mult = map->style->frisket.mult; |
679 | |
680 | /* top rectangle */ |
681 | map_frisket_rectangle(points, mult*bounds->min.x, mult*bounds->max.x, |
682 | mult*bounds->min.y, bounds->min.y); |
683 | canvas_polygon_new(map->canvas, CANVAS_GROUP_FRISKET, points, |
684 | 1, NO_COLOR, color); |
685 | |
686 | /* bottom rectangle */ |
687 | map_frisket_rectangle(points, mult*bounds->min.x, mult*bounds->max.x, |
688 | bounds->max.y, mult*bounds->max.y); |
689 | canvas_polygon_new(map->canvas, CANVAS_GROUP_FRISKET, points, |
690 | 1, NO_COLOR, color); |
691 | |
692 | /* left rectangle */ |
693 | map_frisket_rectangle(points, mult*bounds->min.x, bounds->min.x, |
694 | mult*bounds->min.y, mult*bounds->max.y); |
695 | canvas_polygon_new(map->canvas, CANVAS_GROUP_FRISKET, points, |
696 | 1, NO_COLOR, color); |
697 | |
698 | /* right rectangle */ |
699 | map_frisket_rectangle(points, bounds->max.x, mult*bounds->max.x, |
700 | mult*bounds->min.y, mult*bounds->max.y); |
701 | canvas_polygon_new(map->canvas, CANVAS_GROUP_FRISKET, points, |
702 | 1, NO_COLOR, color); |
703 | |
704 | } |
705 | |
706 | if(map->style->frisket.border.present) { |
707 | // Edge marker line |
708 | gint ew2 = map->style->frisket.border.width/2; |
709 | map_frisket_rectangle(points, |
710 | bounds->min.x-ew2, bounds->max.x+ew2, |
711 | bounds->min.y-ew2, bounds->max.y+ew2); |
712 | |
713 | canvas_polyline_new(map->canvas, CANVAS_GROUP_FRISKET, points, |
714 | map->style->frisket.border.width, |
715 | map->style->frisket.border.color); |
716 | |
717 | } |
718 | canvas_points_free(points); |
719 | } |
720 | |
721 | static void map_draw(map_t *map, osm_t *osm) { |
722 | g_assert(map->canvas); |
723 | |
724 | printf("drawing ways ...\n"); |
725 | way_t *way = osm->way; |
726 | while(way) { |
727 | map_way_draw(map, way); |
728 | way = way->next; |
729 | } |
730 | |
731 | printf("drawing single nodes ...\n"); |
732 | node_t *node = osm->node; |
733 | while(node) { |
734 | map_node_draw(map, node); |
735 | node = node->next; |
736 | } |
737 | |
738 | printf("drawing frisket...\n"); |
739 | map_frisket_draw(map, osm->bounds); |
740 | } |
741 | |
742 | void map_state_free(map_state_t *state) { |
743 | if(!state) return; |
744 | |
745 | /* free state of noone else references it */ |
746 | if(state->refcount > 1) |
747 | state->refcount--; |
748 | else |
749 | g_free(state); |
750 | } |
751 | |
752 | void map_free_map_item_chains(appdata_t *appdata) { |
753 | if(!appdata->osm) return; |
754 | |
755 | #ifndef DESTROY_WAIT_FOR_GTK |
756 | printf(" DESTROY_WAIT_FOR_GTK not set, removing all chains now\n"); |
757 | |
758 | /* free all map_item_chains */ |
759 | node_t *node = appdata->osm->node; |
760 | while(node) { |
761 | map_item_chain_t *chain = node->map_item_chain; |
762 | while(chain) { |
763 | map_item_chain_t *next = chain->next; |
764 | g_free(chain); |
765 | chain = next; |
766 | } |
767 | node->map_item_chain = NULL; |
768 | node = node->next; |
769 | } |
770 | |
771 | way_t *way = appdata->osm->way; |
772 | while(way) { |
773 | map_item_chain_t *chain = way->map_item_chain; |
774 | while(chain) { |
775 | map_item_chain_t *next = chain->next; |
776 | g_free(chain); |
777 | chain = next; |
778 | } |
779 | way->map_item_chain = NULL; |
780 | way = way->next; |
781 | } |
782 | #endif |
783 | } |
784 | |
785 | static gint map_destroy_event(GtkWidget *widget, gpointer data) { |
786 | appdata_t *appdata = (appdata_t*)data; |
787 | map_t *map = appdata->map; |
788 | |
789 | printf("destroying entire map\n"); |
790 | |
791 | map_free_map_item_chains(appdata); |
792 | |
793 | /* free buffered tags */ |
794 | if(map->last_node_tags) osm_tags_free(map->last_node_tags); |
795 | if(map->last_way_tags) osm_tags_free(map->last_way_tags); |
796 | |
797 | map_state_free(map->state); |
798 | |
799 | if(map->style) |
800 | style_free(map->style); |
801 | |
802 | /* destroy existing highlight */ |
803 | if(map->highlight) { |
804 | printf("removing highlight\n"); |
805 | |
806 | map_highlight_t *hl = map->highlight; |
807 | while(hl) { |
808 | map_highlight_t *next = hl->next; |
809 | g_free(hl); |
810 | hl = next; |
811 | } |
812 | } |
813 | |
814 | g_free(map); |
815 | |
816 | appdata->map = NULL; |
817 | |
818 | return FALSE; |
819 | } |
820 | |
821 | /* get the item at position x, y */ |
822 | map_item_t *map_item_at(map_t *map, gint x, gint y) { |
823 | printf("map check at %d/%d\n", x, y); |
824 | |
825 | canvas_window2world(map->canvas, x, y, &x, &y); |
826 | |
827 | printf("world check at %d/%d\n", x, y); |
828 | |
829 | canvas_item_t *item = canvas_get_item_at(map->canvas, x, y); |
830 | |
831 | if(!item) { |
832 | printf(" there's no item\n"); |
833 | return NULL; |
834 | } |
835 | |
836 | printf(" there's an item (%p)\n", item); |
837 | |
838 | map_item_t *map_item = canvas_item_get_user_data(item); |
839 | |
840 | if(!map_item) { |
841 | printf(" item has no user data!\n"); |
842 | return NULL; |
843 | } |
844 | |
845 | if(map_item->highlight) |
846 | printf(" item is highlight\n"); |
847 | |
848 | printf(" item is %s #"ITEM_ID_FORMAT"\n", |
849 | osm_object_type_string(&map_item->object), |
850 | OBJECT_ID(map_item->object)); |
851 | |
852 | return map_item; |
853 | } |
854 | |
855 | /* get the real item (no highlight) at x, y */ |
856 | map_item_t *map_real_item_at(map_t *map, gint x, gint y) { |
857 | map_item_t *map_item = map_item_at(map, x, y); |
858 | |
859 | /* no item or already a real one */ |
860 | if(!map_item || !map_item->highlight) return map_item; |
861 | |
862 | /* get the item (parent) this item is the highlight of */ |
863 | map_item_t *parent = NULL; |
864 | switch(map_item->object.type) { |
865 | |
866 | case NODE: |
867 | if(map_item->object.node->map_item_chain) |
868 | parent = map_item->object.node->map_item_chain->map_item; |
869 | |
870 | if(parent) |
871 | printf(" using parent item node #" ITEM_ID_FORMAT "\n", |
872 | OBJECT_ID(parent->object)); |
873 | break; |
874 | |
875 | case WAY: |
876 | if(map_item->object.way->map_item_chain) |
877 | parent = map_item->object.way->map_item_chain->map_item; |
878 | |
879 | if(parent) |
880 | printf(" using parent item way #" ITEM_ID_FORMAT "\n", |
881 | OBJECT_ID(parent->object)); |
882 | break; |
883 | |
884 | default: |
885 | g_assert((map_item->object.type == NODE) || |
886 | (map_item->object.type == WAY)); |
887 | break; |
888 | } |
889 | |
890 | if(parent) |
891 | map_item = parent; |
892 | else |
893 | printf(" no parent, working on highlight itself\n"); |
894 | |
895 | return map_item; |
896 | } |
897 | |
898 | /* Limitations on the amount by which we can scroll. Keeps part of the |
899 | * map visible at all times */ |
900 | static void map_limit_scroll(map_t *map, canvas_unit_t unit, |
901 | gint *sx, gint *sy) { |
902 | |
903 | /* get scale factor for pixel->meter conversion. set to 1 if */ |
904 | /* given coordinates are already in meters */ |
905 | gdouble scale = (unit == CANVAS_UNIT_METER)?1.0:canvas_get_zoom(map->canvas); |
906 | |
907 | /* convert pixels to meters if necessary */ |
908 | gdouble sx_cu = *sx / scale; |
909 | gdouble sy_cu = *sy / scale; |
910 | |
911 | /* get size of visible area in canvas units (meters) */ |
912 | gint aw_cu = canvas_get_viewport_width(map->canvas, CANVAS_UNIT_METER); |
913 | gint ah_cu = canvas_get_viewport_height(map->canvas, CANVAS_UNIT_METER); |
914 | |
915 | // Data rect minimum and maximum |
916 | gint min_x, min_y, max_x, max_y; |
917 | min_x = map->appdata->osm->bounds->min.x; |
918 | min_y = map->appdata->osm->bounds->min.y; |
919 | max_x = map->appdata->osm->bounds->max.x; |
920 | max_y = map->appdata->osm->bounds->max.y; |
921 | |
922 | // limit stops - prevent scrolling beyond these |
923 | gint min_sy_cu = 0.95*(min_y - ah_cu); |
924 | gint min_sx_cu = 0.95*(min_x - aw_cu); |
925 | gint max_sy_cu = 0.95*(max_y); |
926 | gint max_sx_cu = 0.95*(max_x); |
927 | if (sy_cu < min_sy_cu) { *sy = min_sy_cu * scale; } |
928 | if (sx_cu < min_sx_cu) { *sx = min_sx_cu * scale; } |
929 | if (sy_cu > max_sy_cu) { *sy = max_sy_cu * scale; } |
930 | if (sx_cu > max_sx_cu) { *sx = max_sx_cu * scale; } |
931 | } |
932 | |
933 | |
934 | /* Limit a proposed zoom factor to sane ranges. |
935 | * Specifically the map is allowed to be no smaller than the viewport. */ |
936 | static gboolean map_limit_zoom(map_t *map, gdouble *zoom) { |
937 | // Data rect minimum and maximum |
938 | gint min_x, min_y, max_x, max_y; |
939 | min_x = map->appdata->osm->bounds->min.x; |
940 | min_y = map->appdata->osm->bounds->min.y; |
941 | max_x = map->appdata->osm->bounds->max.x; |
942 | max_y = map->appdata->osm->bounds->max.y; |
943 | |
944 | /* get size of visible area in pixels and convert to meters of intended */ |
945 | /* zoom by deviding by zoom (which is basically pix/m) */ |
946 | gint aw_cu = |
947 | canvas_get_viewport_width(map->canvas, CANVAS_UNIT_PIXEL) / *zoom; |
948 | gint ah_cu = |
949 | canvas_get_viewport_height(map->canvas, CANVAS_UNIT_PIXEL) / *zoom; |
950 | |
951 | gdouble oldzoom = *zoom; |
952 | if (ah_cu < aw_cu) { |
953 | gint lim_h = ah_cu*0.95; |
954 | if (max_y-min_y < lim_h) { |
955 | gdouble corr = ((gdouble)max_y-min_y) / (gdouble)lim_h; |
956 | *zoom /= corr; |
957 | } |
958 | } |
959 | else { |
960 | gint lim_w = aw_cu*0.95; |
961 | if (max_x-min_x < lim_w) { |
962 | gdouble corr = ((gdouble)max_x-min_x) / (gdouble)lim_w; |
963 | *zoom /= corr; |
964 | } |
965 | } |
966 | if (*zoom != oldzoom) { |
967 | printf("Can't zoom further out (%f)\n", *zoom); |
968 | return 1; |
969 | } |
970 | return 0; |
971 | } |
972 | |
973 | |
974 | /* |
975 | * Scroll the map to a point if that point is currently offscreen. |
976 | */ |
977 | void map_scroll_to_if_offscreen(map_t *map, lpos_t *lpos) { |
978 | |
979 | // Ignore anything outside the working area |
980 | if (!(map && map->appdata && map->appdata->osm)) { |
981 | return; |
982 | } |
983 | gint min_x, min_y, max_x, max_y; |
984 | min_x = map->appdata->osm->bounds->min.x; |
985 | min_y = map->appdata->osm->bounds->min.y; |
986 | max_x = map->appdata->osm->bounds->max.x; |
987 | max_y = map->appdata->osm->bounds->max.y; |
988 | if ( (lpos->x > max_x) || (lpos->x < min_x) |
989 | || (lpos->y > max_y) || (lpos->y < min_y)) { |
990 | printf("cannot scroll to (%d, %d): outside the working area\n", |
991 | lpos->x, lpos->y); |
992 | return; |
993 | } |
994 | |
995 | // Viewport dimensions in canvas space |
996 | |
997 | /* get size of visible area in canvas units (meters) */ |
998 | gdouble pix_per_meter = canvas_get_zoom(map->canvas); |
999 | gdouble aw = canvas_get_viewport_width(map->canvas, CANVAS_UNIT_METER); |
1000 | gdouble ah = canvas_get_viewport_height(map->canvas, CANVAS_UNIT_METER); |
1001 | |
1002 | // Is the point still onscreen? |
1003 | gboolean vert_recentre_needed = FALSE; |
1004 | gboolean horiz_recentre_needed = FALSE; |
1005 | gint sx, sy; |
1006 | canvas_scroll_get(map->canvas, CANVAS_UNIT_PIXEL, &sx, &sy); |
1007 | gint viewport_left = (sx/pix_per_meter); |
1008 | gint viewport_right = (sx/pix_per_meter)+aw; |
1009 | gint viewport_top = (sy/pix_per_meter); |
1010 | gint viewport_bottom = (sy/pix_per_meter)+ah; |
1011 | if (lpos->x > viewport_right) { |
1012 | printf("** off right edge (%d > %d)\n", lpos->x, viewport_right); |
1013 | horiz_recentre_needed = TRUE; |
1014 | } |
1015 | if (lpos->x < viewport_left) { |
1016 | printf("** off left edge (%d < %d)\n", lpos->x, viewport_left); |
1017 | horiz_recentre_needed = TRUE; |
1018 | } |
1019 | if (lpos->y > viewport_bottom) { |
1020 | printf("** off bottom edge (%d > %d)\n", lpos->y, viewport_bottom); |
1021 | vert_recentre_needed = TRUE; |
1022 | } |
1023 | if (lpos->y < viewport_top) { |
1024 | printf("** off top edge (%d < %d)\n", lpos->y, viewport_top); |
1025 | vert_recentre_needed = TRUE; |
1026 | } |
1027 | |
1028 | if (horiz_recentre_needed || vert_recentre_needed) { |
1029 | gint new_sx, new_sy; |
1030 | |
1031 | // Just centre both at once |
1032 | new_sx = pix_per_meter * (lpos->x - (aw/2)); |
1033 | new_sy = pix_per_meter * (lpos->y - (ah/2)); |
1034 | |
1035 | map_limit_scroll(map, CANVAS_UNIT_PIXEL, &new_sx, &new_sy); |
1036 | canvas_scroll_to(map->canvas, CANVAS_UNIT_PIXEL, new_sx, new_sy); |
1037 | } |
1038 | } |
1039 | |
1040 | /* Deselects the current way or node if its zoom_max |
1041 | * means that it's not going to render at the current map zoom. */ |
1042 | void map_deselect_if_zoom_below_zoom_max(map_t *map) { |
1043 | if (map->selected.object.type == WAY) { |
1044 | printf("will deselect way if zoomed below %f\n", |
1045 | map->selected.object.way->draw.zoom_max); |
1046 | if (map->state->zoom < map->selected.object.way->draw.zoom_max) { |
1047 | printf(" deselecting way!\n"); |
1048 | map_item_deselect(map->appdata); |
1049 | } |
1050 | } |
1051 | else if (map->selected.object.type == NODE) { |
1052 | printf("will deselect node if zoomed below %f\n", |
1053 | map->selected.object.node->zoom_max); |
1054 | if (map->state->zoom < map->selected.object.node->zoom_max) { |
1055 | printf(" deselecting node!\n"); |
1056 | map_item_deselect(map->appdata); |
1057 | } |
1058 | } |
1059 | } |
1060 | |
1061 | void map_set_zoom(map_t *map, double zoom, |
1062 | gboolean update_scroll_offsets) { |
1063 | gboolean at_zoom_limit = 0; |
1064 | at_zoom_limit = map_limit_zoom(map, &zoom); |
1065 | |
1066 | map->state->zoom = zoom; |
1067 | canvas_set_zoom(map->canvas, map->state->zoom); |
1068 | |
1069 | map_deselect_if_zoom_below_zoom_max(map); |
1070 | |
1071 | if(update_scroll_offsets) { |
1072 | if (!at_zoom_limit) { |
1073 | /* zooming affects the scroll offsets */ |
1074 | gint sx, sy; |
1075 | canvas_scroll_get(map->canvas, CANVAS_UNIT_PIXEL, &sx, &sy); |
1076 | map_limit_scroll(map, CANVAS_UNIT_PIXEL, &sx, &sy); |
1077 | |
1078 | // keep the map visible |
1079 | canvas_scroll_to(map->canvas, CANVAS_UNIT_PIXEL, sx, sy); |
1080 | } |
1081 | |
1082 | canvas_scroll_get(map->canvas, CANVAS_UNIT_METER, |
1083 | &map->state->scroll_offset.x, |
1084 | &map->state->scroll_offset.y); |
1085 | } |
1086 | } |
1087 | |
1088 | static gboolean map_scroll_event(GtkWidget *widget, GdkEventScroll *event, |
1089 | gpointer data) { |
1090 | appdata_t *appdata = (appdata_t*)data; |
1091 | |
1092 | if(!appdata->osm) return FALSE; |
1093 | |
1094 | if(event->type == GDK_SCROLL && appdata->map && appdata->map->state) { |
1095 | if(event->direction) |
1096 | map_set_zoom(appdata->map, |
1097 | appdata->map->state->zoom / ZOOM_FACTOR_WHEEL, TRUE); |
1098 | else |
1099 | map_set_zoom(appdata->map, |
1100 | appdata->map->state->zoom * ZOOM_FACTOR_WHEEL, TRUE); |
1101 | } |
1102 | |
1103 | return TRUE; |
1104 | } |
1105 | |
1106 | static gboolean distance_above(map_t *map, gint x, gint y, gint limit) { |
1107 | gint sx, sy; |
1108 | |
1109 | /* add offsets generated by mouse within map and map scrolling */ |
1110 | sx = (x-map->pen_down.at.x); |
1111 | sy = (y-map->pen_down.at.y); |
1112 | |
1113 | return(sx*sx + sy*sy > limit*limit); |
1114 | } |
1115 | |
1116 | /* scroll with respect to two screen positions */ |
1117 | static void map_do_scroll(map_t *map, gint x, gint y) { |
1118 | gint sx, sy; |
1119 | |
1120 | canvas_scroll_get(map->canvas, CANVAS_UNIT_PIXEL, &sx, &sy); |
1121 | sx -= x-map->pen_down.at.x; |
1122 | sy -= y-map->pen_down.at.y; |
1123 | map_limit_scroll(map, CANVAS_UNIT_PIXEL, &sx, &sy); |
1124 | canvas_scroll_to(map->canvas, CANVAS_UNIT_PIXEL, sx, sy); |
1125 | |
1126 | canvas_scroll_get(map->canvas, CANVAS_UNIT_METER, |
1127 | &map->state->scroll_offset.x, |
1128 | &map->state->scroll_offset.y); |
1129 | } |
1130 | |
1131 | |
1132 | /* scroll a certain step */ |
1133 | static void map_do_scroll_step(map_t *map, gint x, gint y) { |
1134 | gint sx, sy; |
1135 | canvas_scroll_get(map->canvas, CANVAS_UNIT_PIXEL, &sx, &sy); |
1136 | sx += x; |
1137 | sy += y; |
1138 | map_limit_scroll(map, CANVAS_UNIT_PIXEL, &sx, &sy); |
1139 | canvas_scroll_to(map->canvas, CANVAS_UNIT_PIXEL, sx, sy); |
1140 | |
1141 | canvas_scroll_get(map->canvas, CANVAS_UNIT_METER, |
1142 | &map->state->scroll_offset.x, |
1143 | &map->state->scroll_offset.y); |
1144 | } |
1145 | |
1146 | gboolean map_item_is_selected_node(map_t *map, map_item_t *map_item) { |
1147 | printf("check if item is a selected node\n"); |
1148 | |
1149 | if(!map_item) { |
1150 | printf(" no item requested\n"); |
1151 | return FALSE; |
1152 | } |
1153 | |
1154 | if(map->selected.object.type == ILLEGAL) { |
1155 | printf(" nothing is selected\n"); |
1156 | return FALSE; |
1157 | } |
1158 | |
1159 | /* clicked the highlight directly */ |
1160 | if(map_item->object.type != NODE) { |
1161 | printf(" didn't click node\n"); |
1162 | return FALSE; |
1163 | } |
1164 | |
1165 | if(map->selected.object.type == NODE) { |
1166 | printf(" selected item is a node\n"); |
1167 | |
1168 | if(map_item->object.node == map->selected.object.node) { |
1169 | printf(" requested item is a selected node\n"); |
1170 | return TRUE; |
1171 | } |
1172 | printf(" but it's not the requested one\n"); |
1173 | return FALSE; |
1174 | |
1175 | } else if(map->selected.object.type == WAY) { |
1176 | printf(" selected item is a way\n"); |
1177 | |
1178 | node_chain_t *node_chain = map->selected.object.way->node_chain; |
1179 | while(node_chain) { |
1180 | if(node_chain->node == map_item->object.node) { |
1181 | printf(" requested item is part of selected way\n"); |
1182 | return TRUE; |
1183 | } |
1184 | node_chain = node_chain->next; |
1185 | } |
1186 | printf(" but it doesn't include the requested node\n"); |
1187 | return FALSE; |
1188 | |
1189 | } else { |
1190 | printf(" selected item is unknown\n"); |
1191 | return FALSE; |
1192 | } |
1193 | |
1194 | g_assert(0); |
1195 | return TRUE; |
1196 | } |
1197 | |
1198 | /* return true if the item given is the currenly selected way */ |
1199 | /* also return false if nothing is selected or the selection is no way */ |
1200 | gboolean map_item_is_selected_way(map_t *map, map_item_t *map_item) { |
1201 | printf("check if item is the selected way\n"); |
1202 | |
1203 | if(!map_item) { |
1204 | printf(" no item requested\n"); |
1205 | return FALSE; |
1206 | } |
1207 | |
1208 | if(map->selected.object.type == ILLEGAL) { |
1209 | printf(" nothing is selected\n"); |
1210 | return FALSE; |
1211 | } |
1212 | |
1213 | /* clicked the highlight directly */ |
1214 | if(map_item->object.type != WAY) { |
1215 | printf(" didn't click way\n"); |
1216 | return FALSE; |
1217 | } |
1218 | |
1219 | if(map->selected.object.type == WAY) { |
1220 | printf(" selected item is a way\n"); |
1221 | |
1222 | if(map_item->object.way == map->selected.object.way) { |
1223 | printf(" requested item is a selected way\n"); |
1224 | return TRUE; |
1225 | } |
1226 | printf(" but it's not the requested one\n"); |
1227 | return FALSE; |
1228 | } |
1229 | |
1230 | printf(" selected item is not a way\n"); |
1231 | return FALSE; |
1232 | } |
1233 | |
1234 | |
1235 | void map_highlight_refresh(appdata_t *appdata) { |
1236 | map_t *map = appdata->map; |
1237 | object_t old = map->selected.object; |
1238 | |
1239 | printf("type to refresh is %d\n", old.type); |
1240 | if(old.type == ILLEGAL) |
1241 | return; |
1242 | |
1243 | map_item_deselect(appdata); |
1244 | map_object_select(appdata, &old); |
1245 | } |
1246 | |
1247 | void map_way_delete(appdata_t *appdata, way_t *way) { |
1248 | printf("deleting way #" ITEM_ID_FORMAT " from map and osm\n", OSM_ID(way)); |
1249 | |
1250 | undo_append_way(appdata, UNDO_DELETE, way); |
1251 | |
1252 | /* remove it visually from the screen */ |
1253 | map_item_chain_destroy(&way->map_item_chain); |
1254 | |
1255 | /* also remove the visible representation of all nodes (nodes with tags) */ |
1256 | node_chain_t *chain = way->node_chain; |
1257 | while(chain) { |
1258 | if(chain->node->map_item_chain) |
1259 | map_item_chain_destroy(&chain->node->map_item_chain); |
1260 | |
1261 | chain = chain->next; |
1262 | } |
1263 | |
1264 | /* and mark it "deleted" in the database */ |
1265 | osm_way_remove_from_relation(appdata->osm, way); |
1266 | |
1267 | osm_way_delete(appdata->osm, &appdata->icon, way, FALSE); |
1268 | } |
1269 | |
1270 | static void map_handle_click(appdata_t *appdata, map_t *map) { |
1271 | |
1272 | /* problem: on_item may be the highlight itself! So store it! */ |
1273 | map_item_t map_item; |
1274 | if(map->pen_down.on_item) map_item = *map->pen_down.on_item; |
1275 | else map_item.object.type = ILLEGAL; |
1276 | |
1277 | /* if we aready have something selected, then de-select it */ |
1278 | map_item_deselect(appdata); |
1279 | |
1280 | /* select the clicked item (if there was one) */ |
1281 | if(map_item.object.type != ILLEGAL) { |
1282 | switch(map_item.object.type) { |
1283 | case NODE: |
1284 | map_node_select(appdata, map_item.object.node); |
1285 | break; |
1286 | |
1287 | case WAY: |
1288 | map_way_select(appdata, map_item.object.way); |
1289 | break; |
1290 | |
1291 | default: |
1292 | g_assert((map_item.object.type == NODE) || |
1293 | (map_item.object.type == WAY)); |
1294 | break; |
1295 | } |
1296 | } |
1297 | } |
1298 | |
1299 | static void map_touchnode_update(appdata_t *appdata, gint x, gint y) { |
1300 | map_t *map = appdata->map; |
1301 | |
1302 | map_hl_touchnode_clear(map); |
1303 | |
1304 | node_t *cur_node = NULL; |
1305 | |
1306 | /* the "current node" which is the one we are working on and which */ |
1307 | /* should not be highlighted depends on the action */ |
1308 | switch(map->action.type) { |
1309 | |
1310 | /* in idle mode the dragged node is not highlighted */ |
1311 | case MAP_ACTION_IDLE: |
1312 | g_assert(map->pen_down.on_item); |
1313 | g_assert(map->pen_down.on_item->object.type == NODE); |
1314 | cur_node = map->pen_down.on_item->object.node; |
1315 | break; |
1316 | |
1317 | default: |
1318 | break; |
1319 | } |
1320 | |
1321 | |
1322 | /* check if we are close to one of the other nodes */ |
1323 | canvas_window2world(appdata->map->canvas, x, y, &x, &y); |
1324 | node_t *node = appdata->osm->node; |
1325 | while(!map->touchnode && node) { |
1326 | /* don't highlight the dragged node itself and don't highlight */ |
1327 | /* deleted ones */ |
1328 | if((node != cur_node) && (!(OSM_FLAGS(node) & OSM_FLAG_DELETED))) { |
1329 | gint nx = abs(x - node->lpos.x); |
1330 | gint ny = abs(y - node->lpos.y); |
1331 | |
1332 | if((nx < map->style->node.radius) && (ny < map->style->node.radius) && |
1333 | (nx*nx + ny*ny < map->style->node.radius * map->style->node.radius)) |
1334 | map_hl_touchnode_draw(map, node); |
1335 | } |
1336 | node = node->next; |
1337 | } |
1338 | |
1339 | /* during way creation also nodes of the new way */ |
1340 | /* need to be searched */ |
1341 | if(!map->touchnode && map->action.way) { |
1342 | node_chain_t *chain = map->action.way->node_chain; |
1343 | while(!map->touchnode && chain && chain->next) { |
1344 | gint nx = abs(x - chain->node->lpos.x); |
1345 | gint ny = abs(y - chain->node->lpos.y); |
1346 | |
1347 | if((nx < map->style->node.radius) && (ny < map->style->node.radius) && |
1348 | (nx*nx + ny*ny < map->style->node.radius * map->style->node.radius)) |
1349 | map_hl_touchnode_draw(map, chain->node); |
1350 | |
1351 | chain = chain->next; |
1352 | } |
1353 | } |
1354 | } |
1355 | |
1356 | static void map_button_press(map_t *map, gint x, gint y) { |
1357 | |
1358 | printf("left button pressed\n"); |
1359 | map->pen_down.is = TRUE; |
1360 | |
1361 | /* save press position */ |
1362 | map->pen_down.at.x = x; |
1363 | map->pen_down.at.y = y; |
1364 | map->pen_down.drag = FALSE; // don't assume drag yet |
1365 | |
1366 | /* determine wether this press was on an item */ |
1367 | map->pen_down.on_item = map_real_item_at(map, x, y); |
1368 | |
1369 | /* check if the clicked item is a highlighted node as the user */ |
1370 | /* might want to drag that */ |
1371 | map->pen_down.on_selected_node = FALSE; |
1372 | if(map->pen_down.on_item) |
1373 | map->pen_down.on_selected_node = |
1374 | map_item_is_selected_node(map, map->pen_down.on_item); |
1375 | |
1376 | /* button press */ |
1377 | switch(map->action.type) { |
1378 | |
1379 | case MAP_ACTION_WAY_NODE_ADD: |
1380 | map_edit_way_node_add_highlight(map, map->pen_down.on_item, x, y); |
1381 | break; |
1382 | |
1383 | case MAP_ACTION_WAY_CUT: |
1384 | map_edit_way_cut_highlight(map, map->pen_down.on_item, x, y); |
1385 | break; |
1386 | |
1387 | case MAP_ACTION_NODE_ADD: |
1388 | map_hl_cursor_draw(map, x, y, FALSE, map->style->node.radius); |
1389 | break; |
1390 | |
1391 | case MAP_ACTION_WAY_ADD: |
1392 | map_hl_cursor_draw(map, x, y, FALSE, map->style->node.radius); |
1393 | map_touchnode_update(map->appdata, x, y); |
1394 | break; |
1395 | |
1396 | default: |
1397 | break; |
1398 | } |
1399 | } |
1400 | |
1401 | /* move the background image (wms data) during wms adjustment */ |
1402 | static void map_bg_adjust(map_t *map, gint x, gint y) { |
1403 | g_assert(map->appdata); |
1404 | g_assert(map->appdata->osm); |
1405 | g_assert(map->appdata->osm->bounds); |
1406 | |
1407 | x += map->appdata->osm->bounds->min.x + map->bg.offset.x - |
1408 | map->pen_down.at.x; |
1409 | y += map->appdata->osm->bounds->min.y + map->bg.offset.y - |
1410 | map->pen_down.at.y; |
1411 | |
1412 | canvas_image_move(map->bg.item, x, y, map->bg.scale.x, map->bg.scale.y); |
1413 | } |
1414 | |
1415 | static void map_button_release(map_t *map, gint x, gint y) { |
1416 | map->pen_down.is = FALSE; |
1417 | |
1418 | /* before button release is handled */ |
1419 | switch(map->action.type) { |
1420 | case MAP_ACTION_BG_ADJUST: |
1421 | map_bg_adjust(map, x, y); |
1422 | map->bg.offset.x += x - map->pen_down.at.x; |
1423 | map->bg.offset.y += y - map->pen_down.at.y; |
1424 | break; |
1425 | |
1426 | case MAP_ACTION_IDLE: |
1427 | /* check if distance to press is above drag limit */ |
1428 | if(!map->pen_down.drag) |
1429 | map->pen_down.drag = distance_above(map, x, y, MAP_DRAG_LIMIT); |
1430 | |
1431 | if(!map->pen_down.drag) { |
1432 | printf("left button released after click\n"); |
1433 | |
1434 | map_item_t old_sel = map->selected; |
1435 | map_handle_click(map->appdata, map); |
1436 | |
1437 | if((old_sel.object.type != ILLEGAL) && |
1438 | (old_sel.object.type == map->selected.object.type) && |
1439 | (old_sel.object.ptr == map->selected.object.ptr)) { |
1440 | printf("re-selected same item of type %d, " |
1441 | "pushing it to the bottom\n", old_sel.object.type); |
1442 | |
1443 | if(!map->selected.item) { |
1444 | printf(" item has no visible representation to push\n"); |
1445 | } else { |
1446 | canvas_item_to_bottom(map->selected.item); |
1447 | |
1448 | /* update clicked item, to correctly handle the click */ |
1449 | map->pen_down.on_item = |
1450 | map_real_item_at(map, map->pen_down.at.x, map->pen_down.at.y); |
1451 | |
1452 | map_handle_click(map->appdata, map); |
1453 | } |
1454 | } |
1455 | } else { |
1456 | printf("left button released after drag\n"); |
1457 | |
1458 | /* just scroll if we didn't drag an selected item */ |
1459 | if(!map->pen_down.on_selected_node) |
1460 | map_do_scroll(map, x, y); |
1461 | else { |
1462 | printf("released after dragging node\n"); |
1463 | map_hl_cursor_clear(map); |
1464 | |
1465 | /* now actually move the node */ |
1466 | map_edit_node_move(map->appdata, map->pen_down.on_item, x, y); |
1467 | } |
1468 | } |
1469 | break; |
1470 | |
1471 | case MAP_ACTION_NODE_ADD: |
1472 | printf("released after NODE ADD\n"); |
1473 | map_hl_cursor_clear(map); |
1474 | |
1475 | /* convert mouse position to canvas (world) position */ |
1476 | canvas_window2world(map->canvas, x, y, &x, &y); |
1477 | |
1478 | node_t *node = NULL; |
1479 | if(!osm_position_within_bounds(map->appdata->osm, x, y)) |
1480 | map_outside_error(map->appdata); |
1481 | else { |
1482 | node = osm_node_new(map->appdata->osm, x, y); |
1483 | osm_node_attach(map->appdata->osm, node); |
1484 | map_node_draw(map, node); |
1485 | } |
1486 | map_action_set(map->appdata, MAP_ACTION_IDLE); |
1487 | |
1488 | map_item_deselect(map->appdata); |
1489 | |
1490 | if(node) { |
1491 | map_node_select(map->appdata, node); |
1492 | |
1493 | /* let the user specify some tags for the new node */ |
1494 | info_dialog(GTK_WIDGET(map->appdata->window), map->appdata, NULL); |
1495 | } |
1496 | break; |
1497 | |
1498 | case MAP_ACTION_WAY_ADD: |
1499 | printf("released after WAY ADD\n"); |
1500 | map_hl_cursor_clear(map); |
1501 | |
1502 | map_edit_way_add_segment(map, x, y); |
1503 | break; |
1504 | |
1505 | case MAP_ACTION_WAY_NODE_ADD: |
1506 | printf("released after WAY NODE ADD\n"); |
1507 | map_hl_cursor_clear(map); |
1508 | |
1509 | map_edit_way_node_add(map, x, y); |
1510 | break; |
1511 | |
1512 | case MAP_ACTION_WAY_CUT: |
1513 | printf("released after WAY CUT\n"); |
1514 | map_hl_cursor_clear(map); |
1515 | |
1516 | map_edit_way_cut(map, x, y); |
1517 | break; |
1518 | |
1519 | |
1520 | default: |
1521 | break; |
1522 | } |
1523 | } |
1524 | |
1525 | static gboolean map_button_event(GtkWidget *widget, GdkEventButton *event, |
1526 | gpointer data) { |
1527 | appdata_t *appdata = (appdata_t*)data; |
1528 | map_t *map = appdata->map; |
1529 | |
1530 | if(!appdata->osm) return FALSE; |
1531 | |
1532 | if(event->button == 1) { |
1533 | gint x = event->x, y = event->y; |
1534 | |
1535 | if(event->type == GDK_BUTTON_PRESS) |
1536 | map_button_press(map, x, y); |
1537 | |
1538 | if(event->type == GDK_BUTTON_RELEASE) |
1539 | map_button_release(map, x, y); |
1540 | } |
1541 | |
1542 | return FALSE; /* forward to further processing */ |
1543 | } |
1544 | |
1545 | static gboolean map_motion_notify_event(GtkWidget *widget, |
1546 | GdkEventMotion *event, gpointer data) { |
1547 | appdata_t *appdata = (appdata_t*)data; |
1548 | map_t *map = appdata->map; |
1549 | gint x, y; |
1550 | GdkModifierType state; |
1551 | |
1552 | if(!appdata->osm) return FALSE; |
1553 | |
1554 | #ifdef USE_HILDON |
1555 | /* reduce update frequency on hildon to keep screen update fluid */ |
1556 | static guint32 last_time = 0; |
1557 | |
1558 | if(event->time - last_time < 250) return FALSE; |
1559 | last_time = event->time; |
1560 | #endif |
1561 | |
1562 | if(!map->pen_down.is) |
1563 | return FALSE; |
1564 | |
1565 | #ifndef USE_GOOCANVAS |
1566 | /* handle hints, hints are handled by goocanvas directly */ |
1567 | if(event->is_hint) |
1568 | gdk_window_get_pointer(event->window, &x, &y, &state); |
1569 | else |
1570 | #endif |
1571 | { |
1572 | x = event->x; |
1573 | y = event->y; |
1574 | state = event->state; |
1575 | } |
1576 | |
1577 | /* check if distance to press is above drag limit */ |
1578 | if(!map->pen_down.drag) |
1579 | map->pen_down.drag = distance_above(map, x, y, MAP_DRAG_LIMIT); |
1580 | |
1581 | /* drag */ |
1582 | switch(map->action.type) { |
1583 | case MAP_ACTION_BG_ADJUST: |
1584 | map_bg_adjust(map, x, y); |
1585 | break; |
1586 | |
1587 | case MAP_ACTION_IDLE: |
1588 | if(map->pen_down.drag) { |
1589 | /* just scroll if we didn't drag an selected item */ |
1590 | if(!map->pen_down.on_selected_node) |
1591 | map_do_scroll(map, x, y); |
1592 | else { |
1593 | map_hl_cursor_draw(map, x, y, FALSE, map->style->node.radius); |
1594 | map_touchnode_update(appdata, x, y); |
1595 | } |
1596 | } |
1597 | break; |
1598 | |
1599 | case MAP_ACTION_NODE_ADD: |
1600 | map_hl_cursor_draw(map, x, y, FALSE, map->style->node.radius); |
1601 | break; |
1602 | |
1603 | case MAP_ACTION_WAY_ADD: |
1604 | map_hl_cursor_draw(map, x, y, FALSE, map->style->node.radius); |
1605 | map_touchnode_update(appdata, x, y); |
1606 | break; |
1607 | |
1608 | case MAP_ACTION_WAY_NODE_ADD: |
1609 | map_hl_cursor_clear(map); |
1610 | map_item_t *item = map_item_at(map, x, y); |
1611 | if(item) map_edit_way_node_add_highlight(map, item, x, y); |
1612 | break; |
1613 | |
1614 | case MAP_ACTION_WAY_CUT: |
1615 | map_hl_cursor_clear(map); |
1616 | item = map_item_at(map, x, y); |
1617 | if(item) map_edit_way_cut_highlight(map, item, x, y); |
1618 | break; |
1619 | |
1620 | default: |
1621 | break; |
1622 | } |
1623 | |
1624 | |
1625 | return FALSE; /* forward to further processing */ |
1626 | } |
1627 | |
1628 | gboolean map_key_press_event(appdata_t *appdata, GdkEventKey *event) { |
1629 | |
1630 | if(!appdata->osm) return FALSE; |
1631 | |
1632 | /* map needs to be there to handle buttons */ |
1633 | if(!appdata->map->canvas) |
1634 | return FALSE; |
1635 | |
1636 | if(event->type == GDK_KEY_PRESS) { |
1637 | gdouble zoom = 0; |
1638 | switch(event->keyval) { |
1639 | |
1640 | case GDK_Left: |
1641 | map_do_scroll_step(appdata->map, -50, 0); |
1642 | break; |
1643 | |
1644 | case GDK_Right: |
1645 | map_do_scroll_step(appdata->map, +50, 0); |
1646 | break; |
1647 | |
1648 | case GDK_Up: |
1649 | map_do_scroll_step(appdata->map, 0, -50); |
1650 | break; |
1651 | |
1652 | case GDK_Down: |
1653 | map_do_scroll_step(appdata->map, 0, +50); |
1654 | break; |
1655 | |
1656 | case GDK_Return: // same as HILDON_HARDKEY_SELECT |
1657 | /* if the ok button is enabled, call its function */ |
1658 | if(GTK_WIDGET_FLAGS(appdata->iconbar->ok) & GTK_SENSITIVE) |
1659 | map_action_ok(appdata); |
1660 | /* otherwise if info is enabled call that */ |
1661 | else if(GTK_WIDGET_FLAGS(appdata->iconbar->info) & GTK_SENSITIVE) |
1662 | info_dialog(GTK_WIDGET(appdata->window), appdata, NULL); |
1663 | break; |
1664 | |
1665 | case GDK_Escape: // same as HILDON_HARDKEY_ESC |
1666 | /* if the cancel button is enabled, call its function */ |
1667 | if(GTK_WIDGET_FLAGS(appdata->iconbar->cancel) & GTK_SENSITIVE) |
1668 | map_action_cancel(appdata); |
1669 | break; |
1670 | |
1671 | #ifdef USE_HILDON |
1672 | case HILDON_HARDKEY_INCREASE: |
1673 | #else |
1674 | case '+': |
1675 | #endif |
1676 | zoom = appdata->map->state->zoom; |
1677 | zoom *= ZOOM_FACTOR_BUTTON; |
1678 | map_set_zoom(appdata->map, zoom, TRUE); |
1679 | printf("zoom is now %f (1:%d)\n", zoom, (int)zoom_to_scaledn(zoom)); |
1680 | return TRUE; |
1681 | break; |
1682 | |
1683 | #ifdef USE_HILDON |
1684 | case HILDON_HARDKEY_DECREASE: |
1685 | #else |
1686 | case '-': |
1687 | #endif |
1688 | zoom = appdata->map->state->zoom; |
1689 | zoom /= ZOOM_FACTOR_BUTTON; |
1690 | map_set_zoom(appdata->map, zoom, TRUE); |
1691 | printf("zoom is now %f (1:%d)\n", zoom, (int)zoom_to_scaledn(zoom)); |
1692 | return TRUE; |
1693 | break; |
1694 | |
1695 | default: |
1696 | printf("key event %d\n", event->keyval); |
1697 | break; |
1698 | } |
1699 | } |
1700 | return FALSE; |
1701 | } |
1702 | |
1703 | void map_state_reset(map_state_t *state) { |
1704 | if(!state) return; |
1705 | |
1706 | state->zoom = 0.25; |
1707 | state->detail = 1.0; |
1708 | |
1709 | /* todo: try to scroll to center of screen */ |
1710 | state->scroll_offset.x = 0; |
1711 | state->scroll_offset.y = 0; |
1712 | } |
1713 | |
1714 | map_state_t *map_state_new(void) { |
1715 | map_state_t *state = g_new0(map_state_t, 1); |
1716 | map_state_reset(state); |
1717 | return state; |
1718 | } |
1719 | |
1720 | GtkWidget *map_new(appdata_t *appdata) { |
1721 | map_t *map = appdata->map = g_new0(map_t, 1); |
1722 | |
1723 | map->style = style_load(appdata, appdata->settings->style); |
1724 | if(!map->style) { |
1725 | errorf(NULL, _("Unable to load valid style, terminating.")); |
1726 | g_free(map); |
1727 | return NULL; |
1728 | } |
1729 | |
1730 | if(appdata->project && appdata->project->map_state) { |
1731 | printf("Using projects map state\n"); |
1732 | map->state = appdata->project->map_state; |
1733 | } else { |
1734 | printf("Creating new map state\n"); |
1735 | map->state = map_state_new(); |
1736 | } |
1737 | |
1738 | map->state->refcount++; |
1739 | |
1740 | map->pen_down.at.x = -1; |
1741 | map->pen_down.at.y = -1; |
1742 | map->appdata = appdata; |
1743 | map->action.type = MAP_ACTION_IDLE; |
1744 | |
1745 | map->canvas = canvas_new(); |
1746 | |
1747 | GtkWidget *canvas_widget = canvas_get_widget(map->canvas); |
1748 | |
1749 | gtk_widget_set_events(canvas_widget, |
1750 | GDK_BUTTON_PRESS_MASK |
1751 | | GDK_BUTTON_RELEASE_MASK |
1752 | | GDK_SCROLL_MASK |
1753 | | GDK_POINTER_MOTION_MASK |
1754 | | GDK_POINTER_MOTION_HINT_MASK); |
1755 | |
1756 | gtk_signal_connect(GTK_OBJECT(canvas_widget), |
1757 | "button_press_event", G_CALLBACK(map_button_event), appdata); |
1758 | gtk_signal_connect(GTK_OBJECT(canvas_widget), |
1759 | "button_release_event", G_CALLBACK(map_button_event), appdata); |
1760 | gtk_signal_connect(GTK_OBJECT(canvas_widget), |
1761 | "motion_notify_event", G_CALLBACK(map_motion_notify_event), appdata); |
1762 | gtk_signal_connect(GTK_OBJECT(canvas_widget), |
1763 | "scroll_event", G_CALLBACK(map_scroll_event), appdata); |
1764 | |
1765 | gtk_signal_connect(GTK_OBJECT(canvas_widget), |
1766 | "destroy", G_CALLBACK(map_destroy_event), appdata); |
1767 | |
1768 | return canvas_widget; |
1769 | } |
1770 | |
1771 | void map_init(appdata_t *appdata) { |
1772 | map_t *map = appdata->map; |
1773 | |
1774 | /* update canvas background color */ |
1775 | canvas_set_background(map->canvas, map->style->background.color); |
1776 | |
1777 | /* set initial zoom */ |
1778 | map_set_zoom(map, map->state->zoom, FALSE); |
1779 | josm_elemstyles_colorize_world(map->style, appdata->osm); |
1780 | |
1781 | map_draw(map, appdata->osm); |
1782 | |
1783 | float mult = appdata->map->style->frisket.mult; |
1784 | canvas_set_bounds(map->canvas, |
1785 | mult*appdata->osm->bounds->min.x, |
1786 | mult*appdata->osm->bounds->min.y, |
1787 | mult*appdata->osm->bounds->max.x, |
1788 | mult*appdata->osm->bounds->max.y); |
1789 | |
1790 | printf("restore scroll position %d/%d\n", |
1791 | map->state->scroll_offset.x, map->state->scroll_offset.y); |
1792 | |
1793 | map_limit_scroll(map, CANVAS_UNIT_METER, |
1794 | &map->state->scroll_offset.x, &map->state->scroll_offset.y); |
1795 | canvas_scroll_to(map->canvas, CANVAS_UNIT_METER, |
1796 | map->state->scroll_offset.x, map->state->scroll_offset.y); |
1797 | } |
1798 | |
1799 | |
1800 | void map_clear(appdata_t *appdata, gint group_mask) { |
1801 | map_t *map = appdata->map; |
1802 | |
1803 | printf("freeing map contents\n"); |
1804 | |
1805 | map_free_map_item_chains(appdata); |
1806 | |
1807 | /* remove a possibly existing highlight */ |
1808 | map_item_deselect(appdata); |
1809 | |
1810 | canvas_erase(map->canvas, group_mask); |
1811 | } |
1812 | |
1813 | void map_paint(appdata_t *appdata) { |
1814 | map_t *map = appdata->map; |
1815 | |
1816 | josm_elemstyles_colorize_world(map->style, appdata->osm); |
1817 | map_draw(map, appdata->osm); |
1818 | } |
1819 | |
1820 | /* called from several icons like e.g. "node_add" */ |
1821 | void map_action_set(appdata_t *appdata, map_action_t action) { |
1822 | printf("map action set to %d\n", action); |
1823 | |
1824 | appdata->map->action.type = action; |
1825 | |
1826 | /* enable/disable ok/cancel buttons */ |
1827 | // MAP_ACTION_IDLE=0, NODE_ADD, BG_ADJUST, WAY_ADD, WAY_NODE_ADD, WAY_CUT |
1828 | const gboolean ok_state[] = { FALSE, FALSE, TRUE, FALSE, FALSE, FALSE }; |
1829 | const gboolean cancel_state[] = { FALSE, TRUE, TRUE, TRUE, TRUE, TRUE }; |
1830 | |
1831 | g_assert(MAP_ACTION_NUM == sizeof(ok_state)/sizeof(gboolean)); |
1832 | g_assert(action < sizeof(ok_state)/sizeof(gboolean)); |
1833 | |
1834 | icon_bar_map_cancel_ok(appdata, cancel_state[action], ok_state[action]); |
1835 | |
1836 | switch(action) { |
1837 | case MAP_ACTION_BG_ADJUST: |
1838 | /* an existing selection only causes confusion ... */ |
1839 | map_item_deselect(appdata); |
1840 | break; |
1841 | |
1842 | case MAP_ACTION_WAY_ADD: |
1843 | printf("starting new way\n"); |
1844 | |
1845 | /* remember if there was a way selected */ |
1846 | way_t *way_sel = NULL; |
1847 | if(appdata->map->selected.object.type == WAY) |
1848 | way_sel = appdata->map->selected.object.way; |
1849 | |
1850 | map_item_deselect(appdata); |
1851 | map_edit_way_add_begin(appdata->map, way_sel); |
1852 | break; |
1853 | |
1854 | case MAP_ACTION_NODE_ADD: |
1855 | map_item_deselect(appdata); |
1856 | break; |
1857 | |
1858 | default: |
1859 | break; |
1860 | } |
1861 | |
1862 | icon_bar_map_action_idle(appdata, action == MAP_ACTION_IDLE); |
1863 | gtk_widget_set_sensitive(appdata->menu_item_wms_adjust, |
1864 | action == MAP_ACTION_IDLE); |
1865 | |
1866 | const char *str_state[] = { |
1867 | NULL, |
1868 | _("Place a node"), |
1869 | _("Adjust background image position"), |
1870 | _("Place first node of new way"), |
1871 | _("Place node on selected way"), |
1872 | _("Select segment to cut way"), |
1873 | }; |
1874 | |
1875 | g_assert(MAP_ACTION_NUM == sizeof(str_state)/sizeof(char*)); |
1876 | |
1877 | statusbar_set(appdata, str_state[action], FALSE); |
1878 | } |
1879 | |
1880 | |
1881 | void map_action_cancel(appdata_t *appdata) { |
1882 | map_t *map = appdata->map; |
1883 | |
1884 | switch(map->action.type) { |
1885 | case MAP_ACTION_WAY_ADD: |
1886 | map_edit_way_add_cancel(map); |
1887 | break; |
1888 | |
1889 | case MAP_ACTION_BG_ADJUST: |
1890 | /* undo all changes to bg_offset */ |
1891 | map->bg.offset.x = appdata->project->wms_offset.x; |
1892 | map->bg.offset.y = appdata->project->wms_offset.y; |
1893 | |
1894 | gint x = appdata->osm->bounds->min.x + map->bg.offset.x; |
1895 | gint y = appdata->osm->bounds->min.y + map->bg.offset.y; |
1896 | canvas_image_move(map->bg.item, x, y, map->bg.scale.x, map->bg.scale.y); |
1897 | break; |
1898 | |
1899 | default: |
1900 | break; |
1901 | } |
1902 | |
1903 | map_action_set(appdata, MAP_ACTION_IDLE); |
1904 | } |
1905 | |
1906 | void map_action_ok(appdata_t *appdata) { |
1907 | map_t *map = appdata->map; |
1908 | |
1909 | /* reset action now as this erases the statusbar and some */ |
1910 | /* of the actions may set it */ |
1911 | map_action_t type = map->action.type; |
1912 | map_action_set(appdata, MAP_ACTION_IDLE); |
1913 | |
1914 | switch(type) { |
1915 | case MAP_ACTION_WAY_ADD: |
1916 | map_edit_way_add_ok(map); |
1917 | break; |
1918 | |
1919 | case MAP_ACTION_BG_ADJUST: |
1920 | /* save changes to bg_offset in project */ |
1921 | appdata->project->wms_offset.x = map->bg.offset.x; |
1922 | appdata->project->wms_offset.y = map->bg.offset.y; |
1923 | break; |
1924 | |
1925 | default: |
1926 | break; |
1927 | } |
1928 | } |
1929 | |
1930 | /* called from icon "trash" */ |
1931 | void map_delete_selected(appdata_t *appdata) { |
1932 | map_t *map = appdata->map; |
1933 | |
1934 | if(!yes_no_f(GTK_WIDGET(appdata->window), |
1935 | appdata, MISC_AGAIN_ID_DELETE, MISC_AGAIN_FLAG_DONT_SAVE_NO, |
1936 | _("Delete selected object?"), |
1937 | _("Do you really want to delete the selected object?"))) |
1938 | return; |
1939 | |
1940 | /* work on local copy since de-selecting destroys the selection */ |
1941 | map_item_t item = map->selected; |
1942 | |
1943 | /* deleting the selected item de-selects it ... */ |
1944 | map_item_deselect(appdata); |
1945 | |
1946 | undo_open_new_state(appdata, UNDO_DELETE, &item.object); |
1947 | |
1948 | switch(item.object.type) { |
1949 | case NODE: |
1950 | printf("request to delete node #" ITEM_ID_FORMAT "\n", |
1951 | OBJECT_ID(item.object)); |
1952 | |
1953 | undo_append_object(appdata, UNDO_DELETE, &item.object); |
1954 | |
1955 | /* check if this node is part of a way with two nodes only. */ |
1956 | /* we cannot delete this as this would also delete the way */ |
1957 | way_chain_t *way_chain = osm_node_to_way(appdata->osm, item.object.node); |
1958 | if(way_chain) { |
1959 | gboolean short_way = FALSE; |
1960 | |
1961 | /* free the chain of ways */ |
1962 | while(way_chain && !short_way) { |
1963 | way_chain_t *next = way_chain->next; |
1964 | |
1965 | if(osm_way_number_of_nodes(way_chain->way) <= 2) |
1966 | short_way = TRUE; |
1967 | |
1968 | g_free(way_chain); |
1969 | way_chain = next; |
1970 | } |
1971 | |
1972 | if(short_way) { |
1973 | if(!yes_no_f(GTK_WIDGET(appdata->window), NULL, 0, 0, |
1974 | _("Delete node in short way(s)?"), |
1975 | _("Deleting this node will also delete one or more ways " |
1976 | "since they'll contain only one node afterwards. " |
1977 | "Do you really want this?"))) |
1978 | return; |
1979 | } |
1980 | } |
1981 | |
1982 | /* remove it visually from the screen */ |
1983 | map_item_chain_destroy(&item.object.node->map_item_chain); |
1984 | |
1985 | /* and mark it "deleted" in the database */ |
1986 | osm_node_remove_from_relation(appdata->osm, item.object.node); |
1987 | way_chain_t *chain = osm_node_delete(appdata->osm, |
1988 | &appdata->icon, item.object.node, FALSE, TRUE); |
1989 | |
1990 | /* redraw all affected ways */ |
1991 | while(chain) { |
1992 | way_chain_t *next = chain->next; |
1993 | |
1994 | if(osm_way_number_of_nodes(chain->way) == 1) { |
1995 | /* this way now only contains one node and thus isn't a valid */ |
1996 | /* way anymore. So it'll also get deleted (which in turn may */ |
1997 | /* cause other nodes to be deleted as well) */ |
1998 | map_way_delete(appdata, chain->way); |
1999 | } else { |
2000 | map_item_t item; |
2001 | item.object.type = WAY; |
2002 | item.object.way = chain->way; |
2003 | undo_append_object(appdata, UNDO_MODIFY, &(item.object)); |
2004 | map_item_redraw(appdata, &item); |
2005 | } |
2006 | |
2007 | g_free(chain); |
2008 | |
2009 | chain = next; |
2010 | } |
2011 | |
2012 | break; |
2013 | |
2014 | case WAY: |
2015 | printf("request to delete way #" ITEM_ID_FORMAT "\n", |
2016 | OBJECT_ID(item.object)); |
2017 | map_way_delete(appdata, item.object.way); |
2018 | break; |
2019 | |
2020 | default: |
2021 | g_assert((item.object.type == NODE) || |
2022 | (item.object.type == WAY)); |
2023 | break; |
2024 | } |
2025 | undo_close_state(appdata); |
2026 | } |
2027 | |
2028 | /* ----------------------- track related stuff ----------------------- */ |
2029 | |
2030 | static gboolean track_pos2lpos(bounds_t *bounds, pos_t *pos, lpos_t *lpos) { |
2031 | pos2lpos(bounds, pos, lpos); |
2032 | |
2033 | /* check if point is within bounds */ |
2034 | return ((lpos->x >= bounds->min.x) && (lpos->x <= bounds->max.x) && |
2035 | (lpos->y >= bounds->min.y) && (lpos->y <= bounds->max.y)); |
2036 | } |
2037 | |
2038 | void map_track_draw_seg(map_t *map, track_seg_t *seg) { |
2039 | bounds_t *bounds = map->appdata->osm->bounds; |
2040 | |
2041 | /* a track_seg needs at least 2 points to be drawn */ |
2042 | guint pnum = track_seg_points(seg); |
2043 | printf("seg of length %d\n", pnum); |
2044 | |
2045 | if(!pnum) |
2046 | return; |
2047 | |
2048 | /* nothing should have been drawn by now ... */ |
2049 | g_assert(!seg->item_chain); |
2050 | |
2051 | track_item_chain_t **itemP = &seg->item_chain; |
2052 | track_point_t *track_point = seg->track_point; |
2053 | while(track_point) { |
2054 | lpos_t lpos; |
2055 | |
2056 | /* skip all points not on screen */ |
2057 | track_point_t *last = NULL; |
2058 | while(track_point && !track_pos2lpos(bounds, &track_point->pos, &lpos)) { |
2059 | last = track_point; |
2060 | track_point = track_point->next; |
2061 | } |
2062 | |
2063 | int visible = 0; |
2064 | |
2065 | /* count nodes that _are_ on screen */ |
2066 | track_point_t *tmp = track_point; |
2067 | while(tmp && track_pos2lpos(bounds, &tmp->pos, &lpos)) { |
2068 | tmp = tmp->next; |
2069 | visible++; |
2070 | } |
2071 | |
2072 | /* actually start drawing with the last position that was offscreen */ |
2073 | /* so the track nicely enters the viewing area */ |
2074 | if(last) { |
2075 | track_point = last; |
2076 | visible++; |
2077 | } |
2078 | |
2079 | /* also use last one that's offscreen to nicely leave the visible area */ |
2080 | if(tmp && tmp->next) |
2081 | visible++; |
2082 | |
2083 | /* allocate space for nodes */ |
2084 | canvas_points_t *points = canvas_points_new(visible); |
2085 | |
2086 | printf("visible are %d\n", visible); |
2087 | int point; |
2088 | for(point=0;point<visible;point++) { |
2089 | track_pos2lpos(bounds, &track_point->pos, &lpos); |
2090 | |
2091 | points->coords[2*point+0] = lpos.x; |
2092 | points->coords[2*point+1] = lpos.y; |
2093 | track_point = track_point->next; |
2094 | } |
2095 | |
2096 | *itemP = g_new0(track_item_chain_t, 1); |
2097 | (*itemP)->item = canvas_polyline_new(map->canvas, CANVAS_GROUP_TRACK, |
2098 | points, map->style->track.width, map->style->track.color); |
2099 | itemP = &(*itemP)->next; |
2100 | |
2101 | canvas_points_free(points); |
2102 | } |
2103 | } |
2104 | |
2105 | /* update the last visible fragment of this segment since a */ |
2106 | /* gps position may have been added */ |
2107 | void map_track_update_seg(map_t *map, track_seg_t *seg) { |
2108 | bounds_t *bounds = map->appdata->osm->bounds; |
2109 | |
2110 | printf("-- APPENDING TO TRACK --\n"); |
2111 | |
2112 | /* a track_seg needs at least 2 points to be drawn */ |
2113 | guint pnum = track_seg_points(seg); |
2114 | printf("seg of length %d\n", pnum); |
2115 | |
2116 | /* there are two cases: either the second last point was on screen */ |
2117 | /* or it wasn't. We'll have to start a new screen item if the latter */ |
2118 | /* is the case */ |
2119 | |
2120 | /* search last point */ |
2121 | track_point_t *begin = seg->track_point, *second_last = seg->track_point; |
2122 | lpos_t lpos; |
2123 | while(second_last && second_last->next && second_last->next->next) { |
2124 | if(!track_pos2lpos(bounds, &second_last->pos, &lpos)) |
2125 | begin = second_last; |
2126 | |
2127 | second_last = second_last->next; |
2128 | } |
2129 | track_point_t *last = second_last->next; |
2130 | |
2131 | /* since we are updating an existing track, it sure has at least two */ |
2132 | /* points, second_last must be valid and its "next" (last) also */ |
2133 | g_assert(second_last); |
2134 | g_assert(last); |
2135 | |
2136 | /* check if the last and second_last points are visible */ |
2137 | gboolean last_is_visible = |
2138 | track_pos2lpos(bounds, &last->pos, &lpos); |
2139 | gboolean second_last_is_visible = |
2140 | track_pos2lpos(bounds, &second_last->pos, &lpos); |
2141 | |
2142 | /* if both are invisible, then nothing has changed on screen */ |
2143 | if(!last_is_visible && !second_last_is_visible) { |
2144 | printf("second_last and last entry are invisible -> doing nothing\n"); |
2145 | return; |
2146 | } |
2147 | |
2148 | /* search last element in item chain */ |
2149 | track_item_chain_t *item = seg->item_chain; |
2150 | while(item && item->next) |
2151 | item = item->next; |
2152 | |
2153 | if(second_last_is_visible) { |
2154 | /* there must be something already on the screen and there must */ |
2155 | /* be visible nodes in the chain */ |
2156 | g_assert(item); |
2157 | g_assert(begin); |
2158 | |
2159 | printf("second_last is visible -> append\n"); |
2160 | |
2161 | /* count points to be placed */ |
2162 | int npoints = 0; |
2163 | track_point_t *tmp = begin; |
2164 | while(tmp) { |
2165 | tmp = tmp->next; |
2166 | npoints++; |
2167 | } |
2168 | |
2169 | printf("updating last segment to %d points\n", npoints); |
2170 | |
2171 | canvas_points_t *points = canvas_points_new(npoints); |
2172 | |
2173 | gint point = 0; |
2174 | while(begin) { |
2175 | track_pos2lpos(bounds, &begin->pos, &lpos); |
2176 | canvas_point_set_pos(points, point++, &lpos); |
2177 | begin = begin->next; |
2178 | } |
2179 | |
2180 | canvas_item_set_points(item->item, points); |
2181 | canvas_points_free(points); |
2182 | |
2183 | } else { |
2184 | printf("second last is invisible -> start new screen segment\n"); |
2185 | |
2186 | /* the search for the "begin" ends with the second_last item */ |
2187 | /* verify the last one also */ |
2188 | if(begin->next && !track_pos2lpos(bounds, &begin->next->pos, &lpos)) |
2189 | begin = begin->next; |
2190 | |
2191 | item->next = g_new0(track_item_chain_t, 1); |
2192 | item = item->next; |
2193 | |
2194 | /* count points to be placed */ |
2195 | int npoints = 0; |
2196 | track_point_t *tmp = begin; |
2197 | while(tmp) { |
2198 | tmp = tmp->next; |
2199 | npoints++; |
2200 | } |
2201 | |
2202 | printf("attaching new segment with %d points\n", npoints); |
2203 | |
2204 | canvas_points_t *points = canvas_points_new(npoints); |
2205 | |
2206 | gint point = 0; |
2207 | while(begin) { |
2208 | track_pos2lpos(bounds, &begin->pos, &lpos); |
2209 | canvas_point_set_pos(points, point++, &lpos); |
2210 | begin = begin->next; |
2211 | } |
2212 | |
2213 | item->item = canvas_polyline_new(map->canvas, CANVAS_GROUP_TRACK, |
2214 | points, map->style->track.width, map->style->track.color); |
2215 | |
2216 | canvas_points_free(points); |
2217 | } |
2218 | |
2219 | } |
2220 | |
2221 | void map_track_draw(map_t *map, track_t *track) { |
2222 | track_seg_t *seg = track->track_seg; |
2223 | |
2224 | /* draw all segments */ |
2225 | while(seg) { |
2226 | map_track_draw_seg(map, seg); |
2227 | seg = seg->next; |
2228 | } |
2229 | } |
2230 | |
2231 | void map_track_remove(appdata_t *appdata) { |
2232 | track_t *track = appdata->track.track; |
2233 | |
2234 | printf("removing track\n"); |
2235 | |
2236 | g_assert(track); |
2237 | |
2238 | /* remove all segments */ |
2239 | track_seg_t *seg = track->track_seg; |
2240 | while(seg) { |
2241 | track_item_chain_t *item = seg->item_chain; |
2242 | while(item) { |
2243 | track_item_chain_t *next = item->next; |
2244 | canvas_item_destroy(item->item); |
2245 | item = next; |
2246 | } |
2247 | |
2248 | seg->item_chain = NULL; |
2249 | seg = seg->next; |
2250 | } |
2251 | } |
2252 | |
2253 | void map_track_pos(appdata_t *appdata, pos_t *pos) { |
2254 | if(appdata->track.gps_item) { |
2255 | canvas_item_destroy(appdata->track.gps_item); |
2256 | appdata->track.gps_item = NULL; |
2257 | } |
2258 | |
2259 | if(pos) { |
2260 | lpos_t lpos; |
2261 | pos2lpos(appdata->osm->bounds, pos, &lpos); |
2262 | |
2263 | appdata->track.gps_item = |
2264 | canvas_circle_new(appdata->map->canvas, CANVAS_GROUP_GPS, |
2265 | lpos.x, lpos.y, appdata->map->style->track.width/2.0, 0, |
2266 | appdata->map->style->track.gps_color, NO_COLOR); |
2267 | } |
2268 | } |
2269 | |
2270 | /* ------------------- map background ------------------ */ |
2271 | |
2272 | void map_remove_bg_image(map_t *map) { |
2273 | if(!map) return; |
2274 | |
2275 | if(map->bg.item) { |
2276 | canvas_item_destroy(map->bg.item); |
2277 | map->bg.item = NULL; |
2278 | } |
2279 | } |
2280 | |
2281 | static gint map_bg_item_destroy_event(GtkWidget *widget, gpointer data) { |
2282 | map_t *map = (map_t*)data; |
2283 | |
2284 | /* destroying background item */ |
2285 | |
2286 | map->bg.item = NULL; |
2287 | if(map->bg.pix) { |
2288 | printf("destroying background item\n"); |
2289 | gdk_pixbuf_unref(map->bg.pix); |
2290 | map->bg.pix = NULL; |
2291 | } |
2292 | return FALSE; |
2293 | } |
2294 | |
2295 | void map_set_bg_image(map_t *map, char *filename) { |
2296 | bounds_t *bounds = map->appdata->osm->bounds; |
2297 | |
2298 | map_remove_bg_image(map); |
2299 | |
2300 | map->bg.pix = gdk_pixbuf_new_from_file(filename, NULL); |
2301 | |
2302 | /* calculate required scale factor */ |
2303 | map->bg.scale.x = (float)(bounds->max.x - bounds->min.x)/ |
2304 | (float)gdk_pixbuf_get_width(map->bg.pix); |
2305 | map->bg.scale.y = (float)(bounds->max.y - bounds->min.y)/ |
2306 | (float)gdk_pixbuf_get_height(map->bg.pix); |
2307 | |
2308 | map->bg.item = canvas_image_new(map->canvas, CANVAS_GROUP_BG, map->bg.pix, |
2309 | bounds->min.x, bounds->min.y, map->bg.scale.x, map->bg.scale.y); |
2310 | |
2311 | canvas_item_destroy_connect(map->bg.item, |
2312 | G_CALLBACK(map_bg_item_destroy_event), map); |
2313 | } |
2314 | |
2315 | |
2316 | /* -------- hide and show objects (for performance reasons) ------- */ |
2317 | |
2318 | void map_hide_selected(appdata_t *appdata) { |
2319 | map_t *map = appdata->map; |
2320 | if(!map) return; |
2321 | |
2322 | if(map->selected.object.type != WAY) { |
2323 | printf("selected item is not a way\n"); |
2324 | return; |
2325 | } |
2326 | |
2327 | way_t *way = map->selected.object.way; |
2328 | printf("hiding way #" ITEM_ID_FORMAT "\n", OSM_ID(way)); |
2329 | |
2330 | map_item_deselect(appdata); |
2331 | OSM_FLAGS(way) |= OSM_FLAG_HIDDEN; |
2332 | map_item_chain_destroy(&way->map_item_chain); |
2333 | |
2334 | gtk_widget_set_sensitive(appdata->menu_item_map_show_all, TRUE); |
2335 | } |
2336 | |
2337 | void map_show_all(appdata_t *appdata) { |
2338 | map_t *map = appdata->map; |
2339 | if(!map) return; |
2340 | |
2341 | way_t *way = appdata->osm->way; |
2342 | while(way) { |
2343 | if(OSM_FLAGS(way) & OSM_FLAG_HIDDEN) { |
2344 | OSM_FLAGS(way) &= ~OSM_FLAG_HIDDEN; |
2345 | map_way_draw(map, way); |
2346 | } |
2347 | |
2348 | way = way->next; |
2349 | } |
2350 | |
2351 | gtk_widget_set_sensitive(appdata->menu_item_map_show_all, FALSE); |
2352 | } |
2353 | |
2354 | static void map_detail_change(map_t *map, float detail) { |
2355 | appdata_t *appdata = map->appdata; |
2356 | |
2357 | /* deselecting anything allows us not to care about automatic deselection */ |
2358 | /* as well as items becoming invisible by the detail change */ |
2359 | map_item_deselect(appdata); |
2360 | |
2361 | map->state->detail = detail; |
2362 | printf("changing detail factor to %f\n", map->state->detail); |
2363 | |
2364 | banner_busy_start(appdata, 1, _("Redrawing")); |
2365 | map_clear(appdata, MAP_LAYER_OBJECTS_ONLY); |
2366 | map_paint(appdata); |
2367 | banner_busy_stop(appdata); |
2368 | } |
2369 | |
2370 | #define DETAIL_STEP 1.5 |
2371 | |
2372 | void map_detail_increase(map_t *map) { |
2373 | if(!map) return; |
2374 | map_detail_change(map, map->state->detail * DETAIL_STEP); |
2375 | } |
2376 | |
2377 | void map_detail_decrease(map_t *map) { |
2378 | if(!map) return; |
2379 | map_detail_change(map, map->state->detail / DETAIL_STEP); |
2380 | } |
2381 | |
2382 | void map_detail_normal(map_t *map) { |
2383 | if(!map) return; |
2384 | map_detail_change(map, 1.0); |
2385 | } |
2386 | |
2387 | // vim:et:ts=8:sw=2:sts=2:ai |