Parent Directory | Revision Log
WMS server selection redone, other small changes and bugfixes
1 | harbaum | 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 <libxml/parser.h> | ||
23 | #include <libxml/tree.h> | ||
24 | |||
25 | #ifndef LIBXML_TREE_ENABLED | ||
26 | #error "Tree not enabled in libxml" | ||
27 | #endif | ||
28 | |||
29 | #define WMS_FORMAT_JPG (1<<0) | ||
30 | #define WMS_FORMAT_JPEG (1<<1) | ||
31 | #define WMS_FORMAT_PNG (1<<2) | ||
32 | #define WMS_FORMAT_GIF (1<<3) | ||
33 | |||
34 | typedef struct { | ||
35 | pos_t min, max; | ||
36 | gboolean valid; | ||
37 | } wms_llbbox_t; | ||
38 | |||
39 | typedef struct wms_layer_s { | ||
40 | char *title; | ||
41 | char *name; | ||
42 | gboolean epsg4326, selected; | ||
43 | wms_llbbox_t llbbox; | ||
44 | |||
45 | struct wms_layer_s *children; | ||
46 | struct wms_layer_s *next; | ||
47 | } wms_layer_t; | ||
48 | |||
49 | typedef struct { | ||
50 | gulong format; | ||
51 | } wms_getmap_t; | ||
52 | |||
53 | typedef struct { | ||
54 | wms_getmap_t *getmap; | ||
55 | } wms_request_t; | ||
56 | |||
57 | typedef struct { | ||
58 | char *title; | ||
59 | } wms_service_t; | ||
60 | |||
61 | typedef struct { | ||
62 | wms_layer_t *layer; | ||
63 | wms_request_t *request; | ||
64 | } wms_cap_t; | ||
65 | |||
66 | typedef struct { | ||
67 | char *server; | ||
68 | char *path; | ||
69 | gint width, height; | ||
70 | |||
71 | wms_service_t *service; | ||
72 | wms_cap_t *cap; | ||
73 | } wms_t; | ||
74 | |||
75 | gboolean xmlTextIs(xmlDocPtr doc, xmlNodePtr list, char *str) { | ||
76 | char *nstr = (char*)xmlNodeListGetString(doc, list, 1); | ||
77 | if(!nstr) return FALSE; | ||
78 | |||
79 | printf("text = %s\n", nstr); | ||
80 | |||
81 | gboolean match = (strcmp(str, nstr) == 0); | ||
82 | xmlFree(nstr); | ||
83 | return match; | ||
84 | } | ||
85 | |||
86 | gboolean xmlPropIs(xmlNode *node, char *prop, char *str) { | ||
87 | char *prop_str = (char*)xmlGetProp(node, BAD_CAST prop); | ||
88 | if(!prop_str) return FALSE; | ||
89 | |||
90 | gboolean match = (strcmp(prop_str, str) == 0); | ||
91 | xmlFree(prop_str); | ||
92 | return match; | ||
93 | } | ||
94 | |||
95 | float xmlGetPropFloat(xmlNode *node, char *prop) { | ||
96 | char *prop_str = (char*)xmlGetProp(node, BAD_CAST prop); | ||
97 | if(!prop_str) return NAN; | ||
98 | |||
99 | float retval = g_ascii_strtod(prop_str, NULL); | ||
100 | xmlFree(prop_str); | ||
101 | return retval; | ||
102 | } | ||
103 | |||
104 | static gboolean wms_bbox_is_valid(pos_t *min, pos_t *max) { | ||
105 | /* all four coordinates are valid? */ | ||
106 | if(isnan(min->lat)||isnan(min->lon)||isnan(max->lat)||isnan(max->lon)) | ||
107 | return FALSE; | ||
108 | |||
109 | /* min/max span a useful range? */ | ||
110 | if(max->lat - min->lat < 1.0) return FALSE; | ||
111 | if(max->lon - min->lon < 1.0) return FALSE; | ||
112 | |||
113 | /* useful angles? */ | ||
114 | if(min->lat > 90.0 || min->lat < -90.0) return FALSE; | ||
115 | if(max->lat > 90.0 || max->lat < -90.0) return FALSE; | ||
116 | if(min->lon > 180.0 || min->lon < -180.0) return FALSE; | ||
117 | if(max->lon > 180.0 || max->lon < -180.0) return FALSE; | ||
118 | |||
119 | return TRUE; | ||
120 | } | ||
121 | |||
122 | static wms_layer_t *wms_cap_parse_layer(xmlDocPtr doc, xmlNode *a_node) { | ||
123 | wms_layer_t *wms_layer = NULL; | ||
124 | xmlNode *cur_node = NULL; | ||
125 | char *str = NULL; | ||
126 | |||
127 | wms_layer = g_new0(wms_layer_t, 1); | ||
128 | wms_layer->llbbox.min.lon = wms_layer->llbbox.min.lat = NAN; | ||
129 | wms_layer->llbbox.max.lon = wms_layer->llbbox.max.lat = NAN; | ||
130 | |||
131 | wms_layer_t **children = &(wms_layer->children); | ||
132 | |||
133 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
134 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
135 | if(strcasecmp((char*)cur_node->name, "Layer") == 0) { | ||
136 | *children = wms_cap_parse_layer(doc, cur_node); | ||
137 | if(*children) children = &((*children)->next); | ||
138 | } else if(strcasecmp((char*)cur_node->name, "Name") == 0) { | ||
139 | str = (char*)xmlNodeListGetString(doc, cur_node->children, 1); | ||
140 | wms_layer->name = g_strdup(str); | ||
141 | xmlFree(str); | ||
142 | } else if(strcasecmp((char*)cur_node->name, "Title") == 0) { | ||
143 | str = (char*)xmlNodeListGetString(doc, cur_node->children, 1); | ||
144 | wms_layer->title = g_strdup(str); | ||
145 | xmlFree(str); | ||
146 | } else if(strcasecmp((char*)cur_node->name, "SRS") == 0) { | ||
147 | if(xmlTextIs(doc, cur_node->children, "EPSG:4326")) | ||
148 | wms_layer->epsg4326 = TRUE; | ||
149 | } else if(strcasecmp((char*)cur_node->name, "LatLonBoundingBox") == 0) { | ||
150 | wms_layer->llbbox.min.lat = xmlGetPropFloat(cur_node, "miny"); | ||
151 | wms_layer->llbbox.min.lon = xmlGetPropFloat(cur_node, "minx"); | ||
152 | wms_layer->llbbox.max.lat = xmlGetPropFloat(cur_node, "maxy"); | ||
153 | wms_layer->llbbox.max.lon = xmlGetPropFloat(cur_node, "maxx"); | ||
154 | } else | ||
155 | printf("found unhandled WMT_MS_Capabilities/Capability/Layer/%s\n", | ||
156 | cur_node->name); | ||
157 | } | ||
158 | } | ||
159 | |||
160 | wms_layer->llbbox.valid = wms_bbox_is_valid(&wms_layer->llbbox.min, | ||
161 | &wms_layer->llbbox.max); | ||
162 | |||
163 | printf("------------------- Layer: %s ---------------------------\n", | ||
164 | wms_layer->title); | ||
165 | printf("Name: %s\n", wms_layer->name); | ||
166 | printf("EPSG-4326: %s\n", wms_layer->epsg4326?"yes":"no"); | ||
167 | if(wms_layer->llbbox.valid) | ||
168 | printf("LatLonBBox: %f/%f %f/%f\n", | ||
169 | wms_layer->llbbox.min.lat, wms_layer->llbbox.min.lon, | ||
170 | wms_layer->llbbox.max.lat, wms_layer->llbbox.max.lon); | ||
171 | else | ||
172 | printf("No/invalid LatLonBBox\n"); | ||
173 | |||
174 | return wms_layer; | ||
175 | } | ||
176 | |||
177 | static wms_getmap_t *wms_cap_parse_getmap(xmlDocPtr doc, xmlNode *a_node) { | ||
178 | wms_getmap_t *wms_getmap = NULL; | ||
179 | xmlNode *cur_node = NULL; | ||
180 | |||
181 | wms_getmap = g_new0(wms_getmap_t, 1); | ||
182 | |||
183 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
184 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
185 | if(strcasecmp((char*)cur_node->name, "Format") == 0) { | ||
186 | if(xmlTextIs(doc, cur_node->children, "image/png")) | ||
187 | wms_getmap->format |= WMS_FORMAT_PNG; | ||
188 | if(xmlTextIs(doc, cur_node->children, "image/gif")) | ||
189 | wms_getmap->format |= WMS_FORMAT_GIF; | ||
190 | if(xmlTextIs(doc, cur_node->children, "image/jpg")) | ||
191 | wms_getmap->format |= WMS_FORMAT_JPG; | ||
192 | if(xmlTextIs(doc, cur_node->children, "image/jpeg")) | ||
193 | wms_getmap->format |= WMS_FORMAT_JPEG; | ||
194 | } else | ||
195 | printf("found unhandled " | ||
196 | "WMT_MS_Capabilities/Capability/Request/GetMap/%s\n", | ||
197 | cur_node->name); | ||
198 | } | ||
199 | } | ||
200 | |||
201 | printf("Supported formats: %s%s%s\n", | ||
202 | (wms_getmap->format & WMS_FORMAT_PNG)?"png ":"", | ||
203 | (wms_getmap->format & WMS_FORMAT_GIF)?"gif ":"", | ||
204 | (wms_getmap->format & (WMS_FORMAT_JPG | WMS_FORMAT_JPEG))?"jpg ":""); | ||
205 | return wms_getmap; | ||
206 | } | ||
207 | |||
208 | static wms_request_t *wms_cap_parse_request(xmlDocPtr doc, xmlNode *a_node) { | ||
209 | wms_request_t *wms_request = NULL; | ||
210 | xmlNode *cur_node = NULL; | ||
211 | |||
212 | wms_request = g_new0(wms_request_t, 1); | ||
213 | |||
214 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
215 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
216 | if(strcasecmp((char*)cur_node->name, "GetMap") == 0) { | ||
217 | wms_request->getmap = wms_cap_parse_getmap(doc, cur_node); | ||
218 | } else | ||
219 | printf("found unhandled WMT_MS_Capabilities/Capability/Request/%s\n", | ||
220 | cur_node->name); | ||
221 | } | ||
222 | } | ||
223 | |||
224 | return wms_request; | ||
225 | } | ||
226 | |||
227 | static wms_cap_t *wms_cap_parse_cap(xmlDocPtr doc, xmlNode *a_node) { | ||
228 | wms_cap_t *wms_cap = NULL; | ||
229 | xmlNode *cur_node = NULL; | ||
230 | |||
231 | wms_cap = g_new0(wms_cap_t, 1); | ||
232 | wms_layer_t **layer = &(wms_cap->layer); | ||
233 | |||
234 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
235 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
236 | if(strcasecmp((char*)cur_node->name, "Request") == 0) { | ||
237 | wms_cap->request = wms_cap_parse_request(doc, cur_node); | ||
238 | } else if(strcasecmp((char*)cur_node->name, "Layer") == 0) { | ||
239 | *layer = wms_cap_parse_layer(doc, cur_node); | ||
240 | if(*layer) layer = &((*layer)->next); | ||
241 | } else | ||
242 | printf("found unhandled WMT_MS_Capabilities/Capability/%s\n", | ||
243 | cur_node->name); | ||
244 | } | ||
245 | } | ||
246 | |||
247 | return wms_cap; | ||
248 | } | ||
249 | |||
250 | static wms_service_t *wms_cap_parse_service(xmlDocPtr doc, xmlNode *a_node) { | ||
251 | wms_service_t *wms_service = NULL; | ||
252 | xmlNode *cur_node = NULL; | ||
253 | char *str = NULL; | ||
254 | |||
255 | wms_service = g_new0(wms_service_t, 1); | ||
256 | |||
257 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
258 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
259 | if(strcasecmp((char*)cur_node->name, "title") == 0) { | ||
260 | str = (char*)xmlNodeListGetString(doc, cur_node->children, 1); | ||
261 | wms_service->title = g_strdup(str); | ||
262 | xmlFree(str); | ||
263 | } else | ||
264 | printf("found unhandled WMT_MS_Capabilities/Service/%s\n", | ||
265 | cur_node->name); | ||
266 | } | ||
267 | } | ||
268 | |||
269 | printf("-- Service --\n"); | ||
270 | printf("Title: %s\n", wms_service->title); | ||
271 | |||
272 | return wms_service; | ||
273 | } | ||
274 | |||
275 | static void wms_cap_parse(wms_t *wms, xmlDocPtr doc, xmlNode *a_node) { | ||
276 | xmlNode *cur_node = NULL; | ||
277 | |||
278 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
279 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
280 | |||
281 | if(strcasecmp((char*)cur_node->name, "Service") == 0) { | ||
282 | if(!wms->service) | ||
283 | wms->service = wms_cap_parse_service(doc, cur_node); | ||
284 | } else if(strcasecmp((char*)cur_node->name, "Capability") == 0) { | ||
285 | if(!wms->cap) | ||
286 | wms->cap = wms_cap_parse_cap(doc, cur_node); | ||
287 | } else | ||
288 | printf("found unhandled WMT_MS_Capabilities/%s\n", cur_node->name); | ||
289 | } | ||
290 | } | ||
291 | } | ||
292 | |||
293 | /* parse root element */ | ||
294 | static void wms_cap_parse_root(wms_t *wms, xmlDocPtr doc, xmlNode *a_node) { | ||
295 | xmlNode *cur_node = NULL; | ||
296 | |||
297 | for (cur_node = a_node; cur_node; cur_node = cur_node->next) { | ||
298 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
299 | |||
300 | if(strcasecmp((char*)cur_node->name, "WMT_MS_Capabilities") == 0) { | ||
301 | wms_cap_parse(wms, doc, cur_node); | ||
302 | } else | ||
303 | printf("found unhandled %s\n", cur_node->name); | ||
304 | } | ||
305 | } | ||
306 | } | ||
307 | |||
308 | static void wms_cap_parse_doc(wms_t *wms, xmlDocPtr doc) { | ||
309 | /* Get the root element node */ | ||
310 | xmlNode *root_element = xmlDocGetRootElement(doc); | ||
311 | |||
312 | wms_cap_parse_root(wms, doc, root_element); | ||
313 | |||
314 | /*free the document */ | ||
315 | xmlFreeDoc(doc); | ||
316 | |||
317 | /* | ||
318 | * Free the global variables that may | ||
319 | * have been allocated by the parser. | ||
320 | */ | ||
321 | xmlCleanupParser(); | ||
322 | } | ||
323 | |||
324 | /* get pixel extent of image display */ | ||
325 | void wms_setup_extent(project_t *project, wms_t *wms) { | ||
326 | pos_t center; | ||
327 | lpos_t lcenter, lmin, lmax; | ||
328 | float scale; | ||
329 | |||
330 | center.lat = (project->min.lat + project->max.lat)/2; | ||
331 | center.lon = (project->min.lon + project->max.lon)/2; | ||
332 | |||
333 | pos2lpos_center(¢er, &lcenter); | ||
334 | |||
335 | /* the scale is needed to accomodate for "streching" */ | ||
336 | /* by the mercartor projection */ | ||
337 | scale = cos(DEG2RAD(center.lat)); | ||
338 | |||
339 | pos2lpos_center(&project->min, &lmin); | ||
340 | lmin.x -= lcenter.x; | ||
341 | lmin.y -= lcenter.y; | ||
342 | lmin.x *= scale; | ||
343 | lmin.y *= scale; | ||
344 | |||
345 | pos2lpos_center(&project->max, &lmax); | ||
346 | lmax.x -= lcenter.x; | ||
347 | lmax.y -= lcenter.y; | ||
348 | lmax.x *= scale; | ||
349 | lmax.y *= scale; | ||
350 | |||
351 | wms->width = lmax.x - lmin.x; | ||
352 | wms->height = lmax.y - lmin.y; | ||
353 | |||
354 | if(wms->width > 2048) wms->width = 2048; | ||
355 | if(wms->height > 2048) wms->height = 2048; | ||
356 | |||
357 | printf("WMS: required image size = %dx%d\n", | ||
358 | wms->width, wms->height); | ||
359 | } | ||
360 | |||
361 | /* --------------- freeing stuff ------------------- */ | ||
362 | |||
363 | static void wms_layer_free(wms_layer_t *layer) { | ||
364 | while(layer) { | ||
365 | |||
366 | if(layer->title) g_free(layer->title); | ||
367 | if(layer->name) g_free(layer->name); | ||
368 | |||
369 | if(layer->children) wms_layer_free(layer->children); | ||
370 | |||
371 | wms_layer_t *next = layer->next; | ||
372 | g_free(layer); | ||
373 | layer = next; | ||
374 | } | ||
375 | } | ||
376 | |||
377 | static void wms_getmap_free(wms_getmap_t *getmap) { | ||
378 | g_free(getmap); | ||
379 | } | ||
380 | |||
381 | static void wms_request_free(wms_request_t *request) { | ||
382 | if(request->getmap) wms_getmap_free(request->getmap); | ||
383 | g_free(request); | ||
384 | } | ||
385 | |||
386 | static void wms_cap_free(wms_cap_t *cap) { | ||
387 | if(cap->layer) wms_layer_free(cap->layer); | ||
388 | if(cap->request) wms_request_free(cap->request); | ||
389 | g_free(cap); | ||
390 | } | ||
391 | |||
392 | static void wms_service_free(wms_service_t *service) { | ||
393 | if(service->title) g_free(service->title); | ||
394 | g_free(service); | ||
395 | } | ||
396 | |||
397 | static void wms_free(wms_t *wms) { | ||
398 | if(wms->server) g_free(wms->server); | ||
399 | if(wms->path) g_free(wms->path); | ||
400 | if(wms->cap) wms_cap_free(wms->cap); | ||
401 | if(wms->service) wms_service_free(wms->service); | ||
402 | g_free(wms); | ||
403 | } | ||
404 | |||
405 | /* ---------------------- use ------------------- */ | ||
406 | |||
407 | static gboolean wms_llbbox_fits(project_t *project, wms_llbbox_t *llbbox) { | ||
408 | if(!llbbox || !llbbox->valid || | ||
409 | (project->min.lat < llbbox->min.lat) || | ||
410 | (project->min.lon < llbbox->min.lon) || | ||
411 | (project->max.lat > llbbox->max.lat) || | ||
412 | (project->max.lon > llbbox->max.lon)) | ||
413 | return FALSE; | ||
414 | |||
415 | return TRUE; | ||
416 | } | ||
417 | |||
418 | static void wms_get_child_layers(wms_layer_t *layer, | ||
419 | gint depth, gboolean epsg4326, wms_llbbox_t *llbbox, | ||
420 | wms_layer_t **c_layer) { | ||
421 | while(layer) { | ||
422 | |||
423 | /* get a copy of the parents values for the current one ... */ | ||
424 | wms_llbbox_t *local_llbbox = llbbox; | ||
425 | gboolean local_epsg4326 = epsg4326; | ||
426 | |||
427 | /* ... and overwrite the inherited stuff with better local stuff */ | ||
428 | if(layer->llbbox.valid) local_llbbox = &layer->llbbox; | ||
429 | if(layer->epsg4326) local_epsg4326 = TRUE; | ||
430 | |||
431 | /* only named layers with useful bounding box are added to the list */ | ||
432 | if(local_llbbox && layer->name) { | ||
433 | *c_layer = g_new0(wms_layer_t, 1); | ||
434 | (*c_layer)->name = g_strdup(layer->name); | ||
435 | (*c_layer)->title = g_strdup(layer->title); | ||
436 | (*c_layer)->epsg4326 = local_epsg4326; | ||
437 | (*c_layer)->llbbox = *local_llbbox; | ||
438 | c_layer = &((*c_layer)->next); | ||
439 | } | ||
440 | |||
441 | wms_get_child_layers(layer->children, depth+1, | ||
442 | local_epsg4326, local_llbbox, | ||
443 | c_layer); | ||
444 | |||
445 | layer = layer->next; | ||
446 | } | ||
447 | } | ||
448 | |||
449 | static wms_layer_t *wms_get_requestable_layers(wms_t *wms) { | ||
450 | printf("\nSearching for usable layers\n"); | ||
451 | |||
452 | wms_layer_t *r_layer = NULL, **c_layer = &r_layer; | ||
453 | |||
454 | wms_layer_t *layer = wms->cap->layer; | ||
455 | while(layer) { | ||
456 | wms_llbbox_t *llbbox = &layer->llbbox; | ||
457 | if(llbbox && !llbbox->valid) llbbox = NULL; | ||
458 | |||
459 | wms_get_child_layers(layer->children, 1, | ||
460 | layer->epsg4326, llbbox, c_layer); | ||
461 | |||
462 | layer = layer->next; | ||
463 | } | ||
464 | |||
465 | return r_layer; | ||
466 | } | ||
467 | |||
468 | harbaum | 14 | enum { |
469 | WMS_SERVER_COL_NAME = 0, | ||
470 | WMS_SERVER_COL_DATA, | ||
471 | WMS_SERVER_NUM_COLS | ||
472 | }; | ||
473 | |||
474 | typedef struct { | ||
475 | appdata_t *appdata; | ||
476 | wms_t *wms; | ||
477 | GtkWidget *dialog, *view; | ||
478 | GtkListStore *store; | ||
479 | GtkWidget *but_add, *but_edit, *but_remove; | ||
480 | GtkWidget *server_label, *path_label; | ||
481 | } wms_server_context_t; | ||
482 | |||
483 | static wms_server_t *get_selection(wms_server_context_t *context) { | ||
484 | GtkTreeSelection *selection; | ||
485 | GtkTreeModel *model; | ||
486 | GtkTreeIter iter; | ||
487 | |||
488 | selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(context->view)); | ||
489 | if(gtk_tree_selection_get_selected(selection, &model, &iter)) { | ||
490 | wms_server_t *wms_server; | ||
491 | gtk_tree_model_get(model, &iter, WMS_SERVER_COL_DATA, &wms_server, -1); | ||
492 | return(wms_server); | ||
493 | } | ||
494 | |||
495 | return NULL; | ||
496 | } | ||
497 | |||
498 | static void wms_server_selected(wms_server_context_t *context, | ||
499 | wms_server_t *selected) { | ||
500 | |||
501 | if(!selected && context->wms->server && context->wms->path) { | ||
502 | /* if the projects settings match a list entry, then select this */ | ||
503 | |||
504 | GtkTreeSelection *selection = | ||
505 | gtk_tree_view_get_selection(GTK_TREE_VIEW(context->view)); | ||
506 | |||
507 | /* walk the entire store to get all values */ | ||
508 | wms_server_t *server = NULL; | ||
509 | GtkTreeIter iter; | ||
510 | |||
511 | gboolean valid = | ||
512 | gtk_tree_model_get_iter_first(GTK_TREE_MODEL(context->store), &iter); | ||
513 | |||
514 | while(valid && !selected) { | ||
515 | gtk_tree_model_get(GTK_TREE_MODEL(context->store), &iter, | ||
516 | WMS_SERVER_COL_DATA, &server, -1); | ||
517 | g_assert(server); | ||
518 | |||
519 | if((strcmp(server->server, context->wms->server) == 0) && | ||
520 | (strcmp(server->path, context->wms->path) == 0)) { | ||
521 | gtk_tree_selection_select_iter(selection, &iter); | ||
522 | selected = server; | ||
523 | } | ||
524 | |||
525 | valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(context->store), &iter); | ||
526 | } | ||
527 | } | ||
528 | |||
529 | gtk_widget_set_sensitive(context->but_remove, selected != NULL); | ||
530 | gtk_widget_set_sensitive(context->but_edit, selected != NULL); | ||
531 | |||
532 | /* user can click ok if a entry is selected or if both fields are */ | ||
533 | /* otherwise valid */ | ||
534 | if(selected) { | ||
535 | gtk_dialog_set_response_sensitive(GTK_DIALOG(context->dialog), | ||
536 | GTK_RESPONSE_ACCEPT, TRUE); | ||
537 | |||
538 | gtk_label_set_text(GTK_LABEL(context->server_label), selected->server); | ||
539 | gtk_label_set_text(GTK_LABEL(context->path_label), selected->path); | ||
540 | } else { | ||
541 | gtk_dialog_set_response_sensitive(GTK_DIALOG(context->dialog), | ||
542 | GTK_RESPONSE_ACCEPT, context->wms->server && context->wms->path); | ||
543 | |||
544 | if(context->wms->server) | ||
545 | gtk_label_set_text(GTK_LABEL(context->server_label), | ||
546 | context->wms->server); | ||
547 | if(context->wms->path) | ||
548 | gtk_label_set_text(GTK_LABEL(context->path_label), | ||
549 | context->wms->path); | ||
550 | } | ||
551 | } | ||
552 | |||
553 | static gboolean | ||
554 | wms_server_selection_func(GtkTreeSelection *selection, GtkTreeModel *model, | ||
555 | GtkTreePath *path, gboolean path_currently_selected, | ||
556 | gpointer userdata) { | ||
557 | wms_server_context_t *context = (wms_server_context_t*)userdata; | ||
558 | GtkTreeIter iter; | ||
559 | |||
560 | if(gtk_tree_model_get_iter(model, &iter, path)) { | ||
561 | wms_server_t *wms_server = NULL; | ||
562 | |||
563 | g_assert(gtk_tree_path_get_depth(path) == 1); | ||
564 | gtk_tree_model_get(model, &iter, WMS_SERVER_COL_DATA, &wms_server, -1); | ||
565 | wms_server_selected(context, wms_server); | ||
566 | } | ||
567 | |||
568 | return TRUE; /* allow selection state to change */ | ||
569 | } | ||
570 | |||
571 | static void on_server_remove(GtkWidget *but, wms_server_context_t *context) { | ||
572 | GtkTreeSelection *selection; | ||
573 | GtkTreeModel *model; | ||
574 | GtkTreeIter iter; | ||
575 | |||
576 | selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(context->view)); | ||
577 | if(gtk_tree_selection_get_selected(selection, &model, &iter)) { | ||
578 | wms_server_t *server = NULL; | ||
579 | gtk_tree_model_get(model, &iter, WMS_SERVER_COL_DATA, &server, -1); | ||
580 | |||
581 | g_assert(server); | ||
582 | |||
583 | /* de-chain */ | ||
584 | printf("de-chaining server %s\n", server->name); | ||
585 | wms_server_t **prev = &context->appdata->settings->wms_server; | ||
586 | while(*prev != server) prev = &((*prev)->next); | ||
587 | *prev = server->next; | ||
588 | |||
589 | /* free tag itself */ | ||
590 | wms_server_free(server); | ||
591 | |||
592 | /* and remove from store */ | ||
593 | gtk_list_store_remove(GTK_LIST_STORE(model), &iter); | ||
594 | } | ||
595 | |||
596 | wms_server_selected(context, NULL); | ||
597 | } | ||
598 | |||
599 | static void callback_modified_name(GtkWidget *widget, gpointer data) { | ||
600 | wms_server_context_t *context = (wms_server_context_t*)data; | ||
601 | |||
602 | char *name = (char*)gtk_entry_get_text(GTK_ENTRY(widget)); | ||
603 | |||
604 | /* name must not contain some special chars */ | ||
605 | gboolean ok = TRUE; | ||
606 | |||
607 | /* search all entries except the last (which is the one we are editing) */ | ||
608 | wms_server_t *server = context->appdata->settings->wms_server; | ||
609 | while(server && server->next) { | ||
610 | if(strcasecmp(server->name, name) == 0) ok = FALSE; | ||
611 | server = server->next; | ||
612 | } | ||
613 | |||
614 | GtkWidget *toplevel = gtk_widget_get_toplevel(widget); | ||
615 | /* toplevel is a dialog only of dialog has been realized */ | ||
616 | if(GTK_IS_DIALOG(toplevel)) | ||
617 | gtk_dialog_set_response_sensitive( | ||
618 | GTK_DIALOG(gtk_widget_get_toplevel(widget)), | ||
619 | GTK_RESPONSE_ACCEPT, ok); | ||
620 | } | ||
621 | |||
622 | /* edit url and path of a given wms server entry */ | ||
623 | gboolean wms_server_edit(wms_server_context_t *context, gboolean edit_name, | ||
624 | wms_server_t *wms_server) { | ||
625 | GtkWidget *dialog = gtk_dialog_new_with_buttons(_("Edit WMS Server"), | ||
626 | GTK_WINDOW(context->dialog), GTK_DIALOG_MODAL, | ||
627 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, | ||
628 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, | ||
629 | NULL); | ||
630 | |||
631 | #ifdef USE_HILDON | ||
632 | gtk_window_set_default_size(GTK_WINDOW(dialog), 500, 50); | ||
633 | #else | ||
634 | gtk_window_set_default_size(GTK_WINDOW(dialog), 400, 50); | ||
635 | #endif | ||
636 | |||
637 | gtk_dialog_set_default_response(GTK_DIALOG(dialog), | ||
638 | GTK_RESPONSE_ACCEPT); | ||
639 | |||
640 | GtkWidget *label, *name, *server, *path; | ||
641 | GtkWidget *table = gtk_table_new(2, 3, FALSE); | ||
642 | |||
643 | gtk_table_attach(GTK_TABLE(table), | ||
644 | label = gtk_label_new(_("Name:")), 0, 1, 0, 1, | ||
645 | GTK_FILL, 0, 0, 0); | ||
646 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, 0.5f); | ||
647 | gtk_table_attach_defaults(GTK_TABLE(table), | ||
648 | name = gtk_entry_new(), 1, 2, 0, 1); | ||
649 | gtk_entry_set_activates_default(GTK_ENTRY(name), TRUE); | ||
650 | HILDON_ENTRY_NO_AUTOCAP(name); | ||
651 | gtk_widget_set_sensitive(GTK_WIDGET(name), edit_name); | ||
652 | g_signal_connect(G_OBJECT(name), "changed", | ||
653 | G_CALLBACK(callback_modified_name), context); | ||
654 | |||
655 | gtk_table_attach(GTK_TABLE(table), | ||
656 | label = gtk_label_new(_("Server:")), 0, 1, 1, 2, | ||
657 | GTK_FILL, 0, 0, 0); | ||
658 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, 0.5f); | ||
659 | gtk_table_attach_defaults(GTK_TABLE(table), | ||
660 | server = gtk_entry_new(), 1, 2, 1, 2); | ||
661 | gtk_entry_set_activates_default(GTK_ENTRY(server), TRUE); | ||
662 | HILDON_ENTRY_NO_AUTOCAP(server); | ||
663 | |||
664 | gtk_table_attach(GTK_TABLE(table), | ||
665 | label = gtk_label_new(_("Path:")), 0, 1, 2, 3, | ||
666 | GTK_FILL, 0, 0, 0); | ||
667 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, 0.5f); | ||
668 | gtk_table_attach_defaults(GTK_TABLE(table), | ||
669 | path = gtk_entry_new(), 1, 2, 2, 3); | ||
670 | gtk_entry_set_activates_default(GTK_ENTRY(path), TRUE); | ||
671 | HILDON_ENTRY_NO_AUTOCAP(path); | ||
672 | |||
673 | gtk_entry_set_text(GTK_ENTRY(name), wms_server->name); | ||
674 | gtk_entry_set_text(GTK_ENTRY(server), wms_server->server); | ||
675 | gtk_entry_set_text(GTK_ENTRY(path), wms_server->path); | ||
676 | |||
677 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), table); | ||
678 | |||
679 | gtk_widget_show_all(dialog); | ||
680 | |||
681 | if(GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(dialog))) { | ||
682 | if(edit_name) { | ||
683 | GtkTreeSelection *selection; | ||
684 | GtkTreeModel *model; | ||
685 | GtkTreeIter iter; | ||
686 | selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(context->view)); | ||
687 | gtk_tree_selection_get_selected(selection, &model, &iter); | ||
688 | gtk_list_store_set(context->store, &iter, | ||
689 | WMS_SERVER_COL_NAME, wms_server->name, | ||
690 | -1); | ||
691 | |||
692 | g_free(wms_server->name); | ||
693 | wms_server->name = strdup((char*)gtk_entry_get_text(GTK_ENTRY(name))); | ||
694 | } | ||
695 | |||
696 | g_free(wms_server->server); | ||
697 | wms_server->server = strdup((char*)gtk_entry_get_text(GTK_ENTRY(server))); | ||
698 | g_free(wms_server->path); | ||
699 | wms_server->path = strdup((char*)gtk_entry_get_text(GTK_ENTRY(path))); | ||
700 | printf("setting %s/%s\n", wms_server->server, wms_server->path); | ||
701 | |||
702 | /* set texts below */ | ||
703 | gtk_label_set_text(GTK_LABEL(context->server_label), wms_server->server); | ||
704 | gtk_label_set_text(GTK_LABEL(context->path_label), wms_server->path); | ||
705 | |||
706 | gtk_widget_destroy(dialog); | ||
707 | |||
708 | return TRUE; | ||
709 | } | ||
710 | |||
711 | gtk_widget_destroy(dialog); | ||
712 | return FALSE; | ||
713 | } | ||
714 | |||
715 | /* user clicked "edit..." button in the wms server list */ | ||
716 | static void on_server_edit(GtkWidget *but, wms_server_context_t *context) { | ||
717 | GtkTreeSelection *selection; | ||
718 | GtkTreeModel *model; | ||
719 | GtkTreeIter iter; | ||
720 | |||
721 | selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(context->view)); | ||
722 | if(gtk_tree_selection_get_selected(selection, &model, &iter)) { | ||
723 | wms_server_t *server = NULL; | ||
724 | gtk_tree_model_get(model, &iter, WMS_SERVER_COL_DATA, &server, -1); | ||
725 | g_assert(server); | ||
726 | |||
727 | wms_server_edit(context, FALSE, server); | ||
728 | } | ||
729 | } | ||
730 | |||
731 | /* user clicked "add..." button in the wms server list */ | ||
732 | static void on_server_add(GtkWidget *but, wms_server_context_t *context) { | ||
733 | |||
734 | /* attach a new server item to the chain */ | ||
735 | wms_server_t **prev = &context->appdata->settings->wms_server; | ||
736 | while(*prev) prev = &(*prev)->next; | ||
737 | |||
738 | *prev = g_new0(wms_server_t, 1); | ||
739 | (*prev)->name = g_strdup("<service name>"); | ||
740 | (*prev)->server = g_strdup("<server url>"); | ||
741 | (*prev)->path = g_strdup("<path in server>"); | ||
742 | |||
743 | GtkTreeModel *model = | ||
744 | gtk_tree_view_get_model(GTK_TREE_VIEW(context->view)); | ||
745 | |||
746 | GtkTreeIter iter; | ||
747 | gtk_list_store_append(GTK_LIST_STORE(model), &iter); | ||
748 | gtk_list_store_set(GTK_LIST_STORE(model), &iter, | ||
749 | WMS_SERVER_COL_NAME, (*prev)->name, | ||
750 | WMS_SERVER_COL_DATA, *prev, | ||
751 | -1); | ||
752 | |||
753 | GtkTreeSelection *selection = | ||
754 | gtk_tree_view_get_selection(GTK_TREE_VIEW(context->view)); | ||
755 | gtk_tree_selection_select_iter(selection, &iter); | ||
756 | |||
757 | if(!wms_server_edit(context, TRUE, *prev)) { | ||
758 | /* user has cancelled request. remove newly added item */ | ||
759 | printf("user clicked cancel\n"); | ||
760 | |||
761 | wms_server_free(*prev); | ||
762 | *prev = NULL; | ||
763 | |||
764 | gtk_list_store_remove(GTK_LIST_STORE(model), &iter); | ||
765 | } else | ||
766 | /* update name from edit result */ | ||
767 | gtk_list_store_set(GTK_LIST_STORE(model), &iter, | ||
768 | WMS_SERVER_COL_NAME, (*prev)->name, | ||
769 | -1); | ||
770 | |||
771 | wms_server_selected(context, *prev); | ||
772 | } | ||
773 | |||
774 | /* widget to select a wms server from a list */ | ||
775 | static GtkWidget *wms_server_widget(wms_server_context_t *context) { | ||
776 | |||
777 | GtkWidget *vbox = gtk_vbox_new(FALSE,3); | ||
778 | context->view = gtk_tree_view_new(); | ||
779 | |||
780 | gtk_tree_selection_set_select_function( | ||
781 | gtk_tree_view_get_selection(GTK_TREE_VIEW(context->view)), | ||
782 | wms_server_selection_func, | ||
783 | context, NULL); | ||
784 | |||
785 | /* --- "Name" column --- */ | ||
786 | GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); | ||
787 | gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(context->view), | ||
788 | -1, _("Name"), renderer, "text", WMS_SERVER_COL_NAME, NULL); | ||
789 | |||
790 | |||
791 | /* build and fill the store */ | ||
792 | context->store = gtk_list_store_new(WMS_SERVER_NUM_COLS, | ||
793 | G_TYPE_STRING, G_TYPE_POINTER); | ||
794 | |||
795 | gtk_tree_view_set_model(GTK_TREE_VIEW(context->view), | ||
796 | GTK_TREE_MODEL(context->store)); | ||
797 | |||
798 | GtkTreeIter iter; | ||
799 | wms_server_t *wms_server = context->appdata->settings->wms_server; | ||
800 | while(wms_server) { | ||
801 | /* Append a row and fill in some data */ | ||
802 | gtk_list_store_append(context->store, &iter); | ||
803 | gtk_list_store_set(context->store, &iter, | ||
804 | WMS_SERVER_COL_NAME, wms_server->name, | ||
805 | WMS_SERVER_COL_DATA, wms_server, | ||
806 | -1); | ||
807 | |||
808 | wms_server = wms_server->next; | ||
809 | } | ||
810 | |||
811 | g_object_unref(context->store); | ||
812 | |||
813 | /* put it into a scrolled window */ | ||
814 | GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL); | ||
815 | gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), | ||
816 | GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); | ||
817 | gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window), | ||
818 | GTK_SHADOW_ETCHED_IN); | ||
819 | gtk_container_add(GTK_CONTAINER(scrolled_window), context->view); | ||
820 | |||
821 | gtk_box_pack_start_defaults(GTK_BOX(vbox), scrolled_window); | ||
822 | |||
823 | /* ------- button box ------------ */ | ||
824 | |||
825 | GtkWidget *hbox = gtk_hbox_new(TRUE,3); | ||
826 | |||
827 | context->but_add = gtk_button_new_with_label(_("Add...")); | ||
828 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->but_add); | ||
829 | gtk_signal_connect(GTK_OBJECT(context->but_add), "clicked", | ||
830 | GTK_SIGNAL_FUNC(on_server_add), context); | ||
831 | |||
832 | context->but_edit = gtk_button_new_with_label(_("Edit...")); | ||
833 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->but_edit); | ||
834 | gtk_signal_connect(GTK_OBJECT(context->but_edit), "clicked", | ||
835 | GTK_SIGNAL_FUNC(on_server_edit), context); | ||
836 | |||
837 | context->but_remove = gtk_button_new_with_label(_("Remove")); | ||
838 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->but_remove); | ||
839 | gtk_signal_connect(GTK_OBJECT(context->but_remove), "clicked", | ||
840 | GTK_SIGNAL_FUNC(on_server_remove), context); | ||
841 | |||
842 | gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0); | ||
843 | return vbox; | ||
844 | } | ||
845 | |||
846 | harbaum | 1 | static gboolean wms_server_dialog(appdata_t *appdata, wms_t *wms) { |
847 | gboolean ok = FALSE; | ||
848 | |||
849 | harbaum | 14 | wms_server_context_t *context = g_new0(wms_server_context_t, 1); |
850 | context->appdata = appdata; | ||
851 | context->wms = wms; | ||
852 | |||
853 | context->dialog = gtk_dialog_new_with_buttons(_("WMS Server Selection"), | ||
854 | harbaum | 1 | GTK_WINDOW(appdata->window), GTK_DIALOG_MODAL, |
855 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, | ||
856 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, | ||
857 | NULL); | ||
858 | |||
859 | #ifdef USE_HILDON | ||
860 | harbaum | 14 | gtk_window_set_default_size(GTK_WINDOW(context->dialog), 500, 300); |
861 | harbaum | 1 | #else |
862 | harbaum | 14 | gtk_window_set_default_size(GTK_WINDOW(context->dialog), 400, 200); |
863 | harbaum | 1 | #endif |
864 | |||
865 | harbaum | 14 | /* server selection box */ |
866 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), | ||
867 | wms_server_widget(context)); | ||
868 | |||
869 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), | ||
870 | gtk_hseparator_new(), FALSE, FALSE, 0); | ||
871 | |||
872 | harbaum | 1 | GtkWidget *label; |
873 | GtkWidget *table = gtk_table_new(2, 2, FALSE); // x, y | ||
874 | harbaum | 14 | gtk_table_set_col_spacing(GTK_TABLE(table), 0, 10); |
875 | harbaum | 1 | |
876 | label = gtk_label_new(_("Server:")); | ||
877 | harbaum | 14 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, 0.5f); |
878 | gtk_table_attach(GTK_TABLE(table), label, 0, 1, 0, 1, GTK_FILL, 0,0,0); | ||
879 | context->server_label = gtk_label_new(""); | ||
880 | gtk_label_set_ellipsize(GTK_LABEL(context->server_label), | ||
881 | PANGO_ELLIPSIZE_MIDDLE); | ||
882 | gtk_misc_set_alignment(GTK_MISC(context->server_label), 0.f, 0.5f); | ||
883 | gtk_table_attach_defaults(GTK_TABLE(table), context->server_label, | ||
884 | 1, 2, 0, 1); | ||
885 | harbaum | 1 | |
886 | label = gtk_label_new(_("Path:")); | ||
887 | harbaum | 14 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, 0.5f); |
888 | gtk_table_attach(GTK_TABLE(table), label, 0, 1, 1, 2, GTK_FILL, 0,0,0); | ||
889 | context->path_label = gtk_label_new(""); | ||
890 | gtk_label_set_ellipsize(GTK_LABEL(context->path_label), | ||
891 | PANGO_ELLIPSIZE_MIDDLE); | ||
892 | gtk_misc_set_alignment(GTK_MISC(context->path_label), 0.f, 0.5f); | ||
893 | gtk_table_attach_defaults(GTK_TABLE(table), context->path_label, | ||
894 | 1, 2, 1, 2); | ||
895 | harbaum | 1 | |
896 | harbaum | 14 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), |
897 | table, FALSE, FALSE, 0); | ||
898 | |||
899 | |||
900 | wms_server_selected(context, NULL); | ||
901 | |||
902 | gtk_widget_show_all(context->dialog); | ||
903 | harbaum | 1 | |
904 | harbaum | 14 | if(GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(context->dialog))) { |
905 | wms_server_t *server = get_selection(context); | ||
906 | if(server) { | ||
907 | /* fetch parameters from selected entry */ | ||
908 | printf("WMS: using %s\n", server->name); | ||
909 | if(wms->server) g_free(wms->server); | ||
910 | wms->server = g_strdup(server->server); | ||
911 | if(wms->path) g_free(wms->path); | ||
912 | wms->path = g_strdup(server->path); | ||
913 | ok = TRUE; | ||
914 | } else { | ||
915 | if(wms->server && wms->path) | ||
916 | ok = TRUE; | ||
917 | |||
918 | } | ||
919 | harbaum | 1 | } |
920 | |||
921 | harbaum | 14 | gtk_widget_destroy(context->dialog); |
922 | harbaum | 1 | |
923 | harbaum | 14 | g_free(context); |
924 | harbaum | 1 | return ok; |
925 | } | ||
926 | |||
927 | enum { | ||
928 | LAYER_COL_TITLE = 0, | ||
929 | LAYER_COL_SELECTED, | ||
930 | LAYER_COL_FITS, | ||
931 | LAYER_COL_DATA, | ||
932 | LAYER_NUM_COLS | ||
933 | }; | ||
934 | |||
935 | static void | ||
936 | layer_toggled(GtkCellRendererToggle *cell, const gchar *path_str, | ||
937 | GtkListStore *store) { | ||
938 | GtkTreePath *path; | ||
939 | GtkTreeIter iter; | ||
940 | |||
941 | path = gtk_tree_path_new_from_string(path_str); | ||
942 | gtk_tree_model_get_iter(GTK_TREE_MODEL(store), &iter, path); | ||
943 | |||
944 | /* get current enabled flag */ | ||
945 | gboolean enabled; | ||
946 | gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, | ||
947 | LAYER_COL_SELECTED, &enabled, -1); | ||
948 | |||
949 | /* change it and store it */ | ||
950 | enabled = !enabled; | ||
951 | gtk_list_store_set(store, &iter, LAYER_COL_SELECTED, enabled, -1); | ||
952 | |||
953 | /* and store it in the layer itself */ | ||
954 | wms_layer_t *layer = NULL; | ||
955 | gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, LAYER_COL_DATA, &layer, -1); | ||
956 | layer->selected = enabled; | ||
957 | |||
958 | /* walk the entire store to get all values */ | ||
959 | if(gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) { | ||
960 | gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, | ||
961 | LAYER_COL_SELECTED, &enabled, -1); | ||
962 | |||
963 | while(gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter) && | ||
964 | !enabled) | ||
965 | gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, | ||
966 | LAYER_COL_SELECTED, &enabled, -1); | ||
967 | } | ||
968 | |||
969 | GtkWidget *dialog = g_object_get_data(G_OBJECT(store), "dialog"); | ||
970 | gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog), | ||
971 | GTK_RESPONSE_ACCEPT, enabled); | ||
972 | |||
973 | gtk_tree_path_free(path); | ||
974 | } | ||
975 | |||
976 | static GtkWidget *wms_layer_widget(appdata_t *appdata, wms_layer_t *layer, | ||
977 | GtkWidget *dialog) { | ||
978 | GtkWidget *view = gtk_tree_view_new(); | ||
979 | |||
980 | /* build the store */ | ||
981 | GtkListStore *store = gtk_list_store_new(LAYER_NUM_COLS, | ||
982 | G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN, G_TYPE_POINTER); | ||
983 | |||
984 | g_object_set_data(G_OBJECT(store), "dialog", dialog); | ||
985 | |||
986 | /* --- "selected" column --- */ | ||
987 | GtkCellRenderer *renderer = gtk_cell_renderer_toggle_new(); | ||
988 | g_signal_connect(renderer, "toggled", G_CALLBACK(layer_toggled), store); | ||
989 | gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view), | ||
990 | -1, _(""), renderer, | ||
991 | "active", LAYER_COL_SELECTED, | ||
992 | "activatable", LAYER_COL_FITS, | ||
993 | NULL); | ||
994 | |||
995 | /* --- "Title" column --- */ | ||
996 | renderer = gtk_cell_renderer_text_new(); | ||
997 | g_object_set(renderer, "ellipsize", PANGO_ELLIPSIZE_END, NULL ); | ||
998 | GtkTreeViewColumn *column = gtk_tree_view_column_new_with_attributes( | ||
999 | _("Title"), renderer, | ||
1000 | "text", LAYER_COL_TITLE, | ||
1001 | NULL); | ||
1002 | |||
1003 | gtk_tree_view_column_set_expand(column, TRUE); | ||
1004 | gtk_tree_view_insert_column(GTK_TREE_VIEW(view), column, -1); | ||
1005 | |||
1006 | gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store)); | ||
1007 | |||
1008 | GtkTreeIter iter; | ||
1009 | while(layer) { | ||
1010 | gboolean fits = wms_llbbox_fits(appdata->project, &layer->llbbox); | ||
1011 | |||
1012 | /* Append a row and fill in some data */ | ||
1013 | gtk_list_store_append(store, &iter); | ||
1014 | gtk_list_store_set(store, &iter, | ||
1015 | LAYER_COL_SELECTED, FALSE, | ||
1016 | LAYER_COL_TITLE, layer->title, | ||
1017 | LAYER_COL_FITS, fits, | ||
1018 | LAYER_COL_DATA, layer, | ||
1019 | -1); | ||
1020 | layer = layer->next; | ||
1021 | } | ||
1022 | |||
1023 | g_object_unref(store); | ||
1024 | |||
1025 | /* put it into a scrolled window */ | ||
1026 | GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL); | ||
1027 | gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), | ||
1028 | GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); | ||
1029 | gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window), | ||
1030 | GTK_SHADOW_ETCHED_IN); | ||
1031 | gtk_container_add(GTK_CONTAINER(scrolled_window), view); | ||
1032 | |||
1033 | return scrolled_window; | ||
1034 | } | ||
1035 | |||
1036 | |||
1037 | static gboolean wms_layer_dialog(appdata_t *appdata, wms_layer_t *layer) { | ||
1038 | gboolean ok = FALSE; | ||
1039 | |||
1040 | GtkWidget *dialog = gtk_dialog_new_with_buttons(_("WMS layer selection"), | ||
1041 | GTK_WINDOW(appdata->window), GTK_DIALOG_MODAL, | ||
1042 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, | ||
1043 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, | ||
1044 | NULL); | ||
1045 | |||
1046 | gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog), | ||
1047 | GTK_RESPONSE_ACCEPT, FALSE); | ||
1048 | |||
1049 | #ifdef USE_HILDON | ||
1050 | /* making the dialog a little wider makes it less "crowded" */ | ||
1051 | gtk_window_set_default_size(GTK_WINDOW(dialog), 640, 300); | ||
1052 | #else | ||
1053 | gtk_window_set_default_size(GTK_WINDOW(dialog), 400, 200); | ||
1054 | #endif | ||
1055 | |||
1056 | /* layer list */ | ||
1057 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), | ||
1058 | wms_layer_widget(appdata, layer, dialog)); | ||
1059 | |||
1060 | |||
1061 | gtk_widget_show_all(dialog); | ||
1062 | |||
1063 | if(GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(dialog))) | ||
1064 | ok = TRUE; | ||
1065 | |||
1066 | gtk_widget_destroy(dialog); | ||
1067 | |||
1068 | return ok; | ||
1069 | } | ||
1070 | |||
1071 | static gboolean wms_one_layer_is_usable(project_t *project, | ||
1072 | wms_layer_t *layer) { | ||
1073 | gboolean ok = FALSE; | ||
1074 | |||
1075 | while(layer) { | ||
1076 | if(layer->name && layer->epsg4326 && layer->llbbox.valid) | ||
1077 | ok = TRUE; | ||
1078 | |||
1079 | printf("----- Layer \"%s\" -----\n", layer->title); | ||
1080 | printf("Name: %s\n", layer->name); | ||
1081 | printf("epsg4326: %s\n", layer->epsg4326?"yes":"no"); | ||
1082 | if(layer->llbbox.valid) { | ||
1083 | printf("llbbox: %f/%f %f/%f\n", | ||
1084 | layer->llbbox.min.lat, layer->llbbox.min.lon, | ||
1085 | layer->llbbox.max.lat, layer->llbbox.max.lon); | ||
1086 | |||
1087 | printf("llbbox fits project: %s\n", | ||
1088 | wms_llbbox_fits(project, &layer->llbbox)?"yes":"no"); | ||
1089 | } else | ||
1090 | printf("llbbox: none/invalid\n"); | ||
1091 | |||
1092 | layer = layer->next; | ||
1093 | } | ||
1094 | |||
1095 | return ok; | ||
1096 | } | ||
1097 | |||
1098 | void wms_import(appdata_t *appdata) { | ||
1099 | if(!appdata->project) { | ||
1100 | errorf(GTK_WIDGET(appdata->window), | ||
1101 | _("Need an open project to derive WMS coordinates")); | ||
1102 | return; | ||
1103 | } | ||
1104 | |||
1105 | /* this cancels any wms adjustment in progress */ | ||
1106 | if(appdata->map->action.type == MAP_ACTION_BG_ADJUST) | ||
1107 | map_action_cancel(appdata); | ||
1108 | |||
1109 | wms_t *wms = g_new0(wms_t,1); | ||
1110 | wms->server = g_strdup(appdata->project->wms_server); | ||
1111 | wms->path = g_strdup(appdata->project->wms_path); | ||
1112 | |||
1113 | /* reset any background adjustments in the project ... */ | ||
1114 | if((appdata->project->wms_offset.x != 0)|| | ||
1115 | (appdata->project->wms_offset.y != 0)) { | ||
1116 | |||
1117 | appdata->project->wms_offset.x = 0; | ||
1118 | appdata->project->wms_offset.y = 0; | ||
1119 | appdata->project->dirty = TRUE; | ||
1120 | } | ||
1121 | |||
1122 | /* ... as well as in the map */ | ||
1123 | appdata->map->bg.offset.x = 0; | ||
1124 | appdata->map->bg.offset.y = 0; | ||
1125 | |||
1126 | /* get server from dialog */ | ||
1127 | if(!wms_server_dialog(appdata, wms)) { | ||
1128 | wms_free(wms); | ||
1129 | return; | ||
1130 | } | ||
1131 | |||
1132 | /* ------------- copy values back into project ---------------- */ | ||
1133 | if(strcmp(appdata->project->wms_server, wms->server) != 0) { | ||
1134 | g_free(appdata->project->wms_server); | ||
1135 | appdata->project->wms_server = g_strdup(wms->server); | ||
1136 | appdata->project->dirty = TRUE; | ||
1137 | } | ||
1138 | |||
1139 | if(strcmp(appdata->project->wms_path, wms->path) != 0) { | ||
1140 | g_free(appdata->project->wms_path); | ||
1141 | appdata->project->wms_path = g_strdup(wms->path); | ||
1142 | appdata->project->dirty = TRUE; | ||
1143 | } | ||
1144 | |||
1145 | /* ----------- request capabilities -------------- */ | ||
1146 | gboolean path_contains_qm = (strchr(wms->path, '?') != NULL); | ||
1147 | gboolean path_ends_with_special = | ||
1148 | (wms->path[strlen(wms->path)-1] == '?') || | ||
1149 | (wms->path[strlen(wms->path)-1] == '&'); | ||
1150 | |||
1151 | /* if there's already a question mark, then add further */ | ||
1152 | /* parameters using the &, else use the ? */ | ||
1153 | char *append_char = path_ends_with_special?"":(path_contains_qm?"&":"?"); | ||
1154 | |||
1155 | char *url = g_strdup_printf("%s%s" | ||
1156 | "%sSERVICE=wms" | ||
1157 | harbaum | 14 | // "&WMTVER=1.1.1" |
1158 | "&VERSION=1.1.1" | ||
1159 | harbaum | 1 | "&REQUEST=GetCapabilities", |
1160 | wms->server, wms->path, append_char); | ||
1161 | |||
1162 | harbaum | 7 | char *cap = NULL; |
1163 | net_io_download_mem(GTK_WIDGET(appdata->window), url, &cap); | ||
1164 | harbaum | 1 | g_free(url); |
1165 | |||
1166 | /* ----------- parse capabilities -------------- */ | ||
1167 | |||
1168 | if(!cap) { | ||
1169 | errorf(GTK_WIDGET(appdata->window), | ||
1170 | _("WMS download failed:\n\n" | ||
1171 | "GetCapabilities failed")); | ||
1172 | } else { | ||
1173 | xmlDoc *doc = NULL; | ||
1174 | |||
1175 | LIBXML_TEST_VERSION; | ||
1176 | |||
1177 | /* parse the file and get the DOM */ | ||
1178 | if((doc = xmlReadMemory(cap, strlen(cap), NULL, NULL, 0)) == NULL) { | ||
1179 | xmlErrorPtr errP = xmlGetLastError(); | ||
1180 | errorf(GTK_WIDGET(appdata->window), | ||
1181 | _("WMS download failed:\n\n" | ||
1182 | "XML error while parsing capabilities:\n" | ||
1183 | "%s"), errP->message); | ||
1184 | } else { | ||
1185 | printf("ok, parse doc tree\n"); | ||
1186 | |||
1187 | wms_cap_parse_doc(wms, doc); | ||
1188 | } | ||
1189 | |||
1190 | g_free(cap); | ||
1191 | } | ||
1192 | |||
1193 | /* ------------ basic checks ------------- */ | ||
1194 | |||
1195 | if(!wms->cap || !wms->service || !wms->cap->layer || | ||
1196 | !wms->cap->request || !wms->cap->request->getmap) { | ||
1197 | errorf(GTK_WIDGET(appdata->window), _("Incomplete/unexpected reply!")); | ||
1198 | wms_free(wms); | ||
1199 | return; | ||
1200 | } | ||
1201 | |||
1202 | if(!wms->cap->request->getmap->format) { | ||
1203 | errorf(GTK_WIDGET(appdata->window), _("No supported image format found.")); | ||
1204 | wms_free(wms); | ||
1205 | return; | ||
1206 | } | ||
1207 | |||
1208 | /* ---------- evaluate layers ----------- */ | ||
1209 | |||
1210 | wms_layer_t *layer = wms_get_requestable_layers(wms); | ||
1211 | gboolean at_least_one_ok = wms_one_layer_is_usable(appdata->project, layer); | ||
1212 | |||
1213 | if(!at_least_one_ok) { | ||
1214 | errorf(GTK_WIDGET(appdata->window), | ||
1215 | _("Server provides no data in the required format!\n" | ||
1216 | "(epsg4326 and LatLonBoundingBox are mandatory for osm2go)")); | ||
1217 | wms_layer_free(layer); | ||
1218 | wms_free(wms); | ||
1219 | return; | ||
1220 | } | ||
1221 | |||
1222 | if(!wms_layer_dialog(appdata, layer)) { | ||
1223 | wms_layer_free(layer); | ||
1224 | wms_free(wms); | ||
1225 | return; | ||
1226 | } | ||
1227 | |||
1228 | /* --------- build getmap request ----------- */ | ||
1229 | |||
1230 | /* get required image size */ | ||
1231 | wms_setup_extent(appdata->project, wms); | ||
1232 | |||
1233 | /* start building url */ | ||
1234 | url = g_strdup_printf("%s%s" | ||
1235 | "%sSERVICE=wms" | ||
1236 | harbaum | 14 | // "&WMTVER=1.1.1" |
1237 | "&VERSION=1.1.1" | ||
1238 | harbaum | 1 | "&REQUEST=GetMap" |
1239 | "&LAYERS=", | ||
1240 | wms->server, wms->path, append_char); | ||
1241 | |||
1242 | /* append layers */ | ||
1243 | char *old; | ||
1244 | wms_layer_t *t = layer; | ||
1245 | gint cnt = 0; | ||
1246 | while(t) { | ||
1247 | if(t->selected) { | ||
1248 | old = url; | ||
1249 | url = g_strconcat(url, (!cnt)?"":",", t->name, NULL); | ||
1250 | g_free(old); | ||
1251 | cnt++; | ||
1252 | } | ||
1253 | t = t->next; | ||
1254 | } | ||
1255 | wms_layer_free(layer); | ||
1256 | |||
1257 | /* append styles entry */ | ||
1258 | old = url; | ||
1259 | url = g_strconcat(url, "&STYLES=", NULL); | ||
1260 | g_free(old); | ||
1261 | |||
1262 | while(--cnt) { | ||
1263 | old = url; | ||
1264 | url = g_strconcat(url, ",", NULL); | ||
1265 | g_free(old); | ||
1266 | } | ||
1267 | |||
1268 | /* and append rest */ | ||
1269 | char minlon[G_ASCII_DTOSTR_BUF_SIZE], minlat[G_ASCII_DTOSTR_BUF_SIZE]; | ||
1270 | char maxlon[G_ASCII_DTOSTR_BUF_SIZE], maxlat[G_ASCII_DTOSTR_BUF_SIZE]; | ||
1271 | |||
1272 | harbaum | 14 | /* build strings of min and max lat and lon to be used in url */ |
1273 | harbaum | 1 | g_ascii_dtostr(minlon, sizeof(minlon), appdata->project->min.lon); |
1274 | g_ascii_dtostr(minlat, sizeof(minlat), appdata->project->min.lat); | ||
1275 | g_ascii_dtostr(maxlon, sizeof(maxlon), appdata->project->max.lon); | ||
1276 | g_ascii_dtostr(maxlat, sizeof(maxlat), appdata->project->max.lat); | ||
1277 | |||
1278 | harbaum | 14 | /* find preferred supported video format */ |
1279 | harbaum | 1 | gint format = 0; |
1280 | while(!(wms->cap->request->getmap->format & (1<<format))) | ||
1281 | format++; | ||
1282 | |||
1283 | const char *formats[] = { "image/jpg", "image/jpeg", | ||
1284 | "image/png", "image/gif" }; | ||
1285 | |||
1286 | harbaum | 14 | /* build complete url */ |
1287 | harbaum | 1 | old = url; |
1288 | url = g_strdup_printf("%s&SRS=EPSG:4326&BBOX=%s,%s,%s,%s" | ||
1289 | harbaum | 14 | "&WIDTH=%d&HEIGHT=%d&FORMAT=%s" |
1290 | "&reaspect=false", url, | ||
1291 | harbaum | 1 | minlon, minlat, maxlon, maxlat, wms->width, |
1292 | wms->height, formats[format]); | ||
1293 | g_free(old); | ||
1294 | |||
1295 | const char *exts[] = { "jpg", "jpg", "png", "gif" }; | ||
1296 | char *filename = g_strdup_printf("%s/wms.%s", appdata->project->path, | ||
1297 | exts[format]); | ||
1298 | |||
1299 | |||
1300 | /* remove any existing image before */ | ||
1301 | wms_remove(appdata); | ||
1302 | |||
1303 | harbaum | 4 | if(!net_io_download_file(GTK_WIDGET(appdata->window), url, filename)) { |
1304 | harbaum | 1 | g_free(filename); |
1305 | g_free(url); | ||
1306 | wms_free(wms); | ||
1307 | return; | ||
1308 | } | ||
1309 | |||
1310 | /* there should be a matching file on disk now */ | ||
1311 | map_set_bg_image(appdata->map, filename); | ||
1312 | |||
1313 | g_free(filename); | ||
1314 | g_free(url); | ||
1315 | |||
1316 | /* --------- free wms structure -----------------*/ | ||
1317 | wms_free(wms); | ||
1318 | |||
1319 | gtk_widget_set_sensitive(appdata->menu_item_wms_clear, TRUE); | ||
1320 | gtk_widget_set_sensitive(appdata->menu_item_wms_adjust, TRUE); | ||
1321 | } | ||
1322 | |||
1323 | /* try to load an existing image into map */ | ||
1324 | void wms_load(appdata_t *appdata) { | ||
1325 | const char *exts[] = { "png", "gif", "jpg", "" }; | ||
1326 | int i=0; | ||
1327 | |||
1328 | while(exts[i][0]) { | ||
1329 | char *filename = g_strdup_printf("%s/wms.%s", appdata->project->path, | ||
1330 | exts[i]); | ||
1331 | |||
1332 | if(g_file_test(filename, G_FILE_TEST_EXISTS)) { | ||
1333 | appdata->map->bg.offset.x = appdata->project->wms_offset.x; | ||
1334 | appdata->map->bg.offset.y = appdata->project->wms_offset.y; | ||
1335 | |||
1336 | map_set_bg_image(appdata->map, filename); | ||
1337 | |||
1338 | /* restore image to saved position */ | ||
1339 | gint x = appdata->osm->bounds->min.x + appdata->map->bg.offset.x; | ||
1340 | gint y = appdata->osm->bounds->min.y + appdata->map->bg.offset.y; | ||
1341 | canvas_image_move(appdata->map->bg.item, x, y, | ||
1342 | appdata->map->bg.scale.x, appdata->map->bg.scale.y); | ||
1343 | |||
1344 | g_free(filename); | ||
1345 | |||
1346 | gtk_widget_set_sensitive(appdata->menu_item_wms_clear, TRUE); | ||
1347 | gtk_widget_set_sensitive(appdata->menu_item_wms_adjust, TRUE); | ||
1348 | |||
1349 | return; | ||
1350 | } | ||
1351 | g_free(filename); | ||
1352 | i++; | ||
1353 | } | ||
1354 | } | ||
1355 | |||
1356 | void wms_remove(appdata_t *appdata) { | ||
1357 | const char *exts[] = { "png", "gif", "jpg", "" }; | ||
1358 | int i=0; | ||
1359 | |||
1360 | /* this cancels any wms adjustment in progress */ | ||
1361 | if(appdata->map->action.type == MAP_ACTION_BG_ADJUST) | ||
1362 | map_action_cancel(appdata); | ||
1363 | |||
1364 | gtk_widget_set_sensitive(appdata->menu_item_wms_clear, FALSE); | ||
1365 | gtk_widget_set_sensitive(appdata->menu_item_wms_adjust, FALSE); | ||
1366 | |||
1367 | map_remove_bg_image(appdata->map); | ||
1368 | |||
1369 | while(exts[i][0]) { | ||
1370 | char *filename = g_strdup_printf("%s/wms.%s", appdata->project->path, | ||
1371 | exts[i]); | ||
1372 | |||
1373 | if(g_file_test(filename, G_FILE_TEST_EXISTS)) | ||
1374 | g_remove(filename); | ||
1375 | |||
1376 | g_free(filename); | ||
1377 | i++; | ||
1378 | } | ||
1379 | } | ||
1380 | |||
1381 | harbaum | 14 | struct server_preset_s { |
1382 | char *name, *server, *path; | ||
1383 | } default_servers[] = { | ||
1384 | { "NASA landsat", "http://onearth.jpl.nasa.gov", "/wms.cgi" }, | ||
1385 | /* add more servers here ... */ | ||
1386 | { NULL, NULL, NULL } | ||
1387 | }; | ||
1388 | |||
1389 | wms_server_t *wms_server_get_default(void) { | ||
1390 | wms_server_t *server = NULL, **cur = &server; | ||
1391 | struct server_preset_s *preset = default_servers; | ||
1392 | |||
1393 | while(preset->name) { | ||
1394 | *cur = g_new0(wms_server_t, 1); | ||
1395 | (*cur)->name = g_strdup(preset->name); | ||
1396 | (*cur)->server = g_strdup(preset->server); | ||
1397 | (*cur)->path = g_strdup(preset->path); | ||
1398 | cur = &(*cur)->next; | ||
1399 | preset++; | ||
1400 | } | ||
1401 | |||
1402 | return server; | ||
1403 | } | ||
1404 | |||
1405 | void wms_server_free(wms_server_t *wms_server) { | ||
1406 | if(wms_server->name) g_free(wms_server->name); | ||
1407 | if(wms_server->server) g_free(wms_server->server); | ||
1408 | if(wms_server->path) g_free(wms_server->path); | ||
1409 | g_free(wms_server); | ||
1410 | } | ||
1411 | |||
1412 | void wms_servers_free(wms_server_t *wms_server) { | ||
1413 | while(wms_server) { | ||
1414 | wms_server_t *next = wms_server->next; | ||
1415 | wms_server_free(wms_server); | ||
1416 | wms_server = next; | ||
1417 | } | ||
1418 | } |