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