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50a14534 EB |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
a482007a GB |
4 | * Copyright (C) 2005, Alex Foobarian <foobarian@gmail.com> |
5 | * Copyright (C) 2003-2007, Evan Battaglia <gtoevan@gmx.net> | |
1b14d0d2 | 6 | * Copyright (C) 2013, Rob Norris <rw_norris@hotmail.com> |
50a14534 EB |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
4c77d5e0 GB |
24 | #ifdef HAVE_CONFIG_H |
25 | #include "config.h" | |
26 | #endif | |
27 | ||
28 | #include <glib/gi18n.h> | |
29 | ||
50a14534 | 30 | #include "viking.h" |
911400b5 | 31 | #include <string.h> |
a7023a1b RN |
32 | #include <stdlib.h> |
33 | #include "viklayer_defaults.h" | |
50a14534 EB |
34 | |
35 | /* functions common to all layers. */ | |
36 | /* TODO longone: rename interface free -> finalize */ | |
37 | ||
38 | extern VikLayerInterface vik_aggregate_layer_interface; | |
39 | extern VikLayerInterface vik_trw_layer_interface; | |
40 | extern VikLayerInterface vik_maps_layer_interface; | |
41 | extern VikLayerInterface vik_coord_layer_interface; | |
42 | extern VikLayerInterface vik_georef_layer_interface; | |
b364d6bc | 43 | extern VikLayerInterface vik_gps_layer_interface; |
ad0a8c2d | 44 | extern VikLayerInterface vik_dem_layer_interface; |
5fa4fe86 RN |
45 | #ifdef HAVE_LIBMAPNIK |
46 | extern VikLayerInterface vik_mapnik_layer_interface; | |
47 | #endif | |
50a14534 EB |
48 | |
49 | enum { | |
50 | VL_UPDATE_SIGNAL, | |
51 | VL_LAST_SIGNAL | |
52 | }; | |
53 | static guint layer_signals[VL_LAST_SIGNAL] = { 0 }; | |
54 | ||
55 | static GObjectClass *parent_class; | |
56 | ||
a0c65899 GB |
57 | static void vik_layer_finalize ( VikLayer *vl ); |
58 | static gboolean vik_layer_properties_factory ( VikLayer *vl, VikViewport *vp ); | |
a7023a1b | 59 | static gboolean layer_defaults_register ( VikLayerTypeEnum type ); |
50a14534 | 60 | |
a0c65899 | 61 | G_DEFINE_TYPE (VikLayer, vik_layer, G_TYPE_OBJECT) |
50a14534 | 62 | |
a0c65899 | 63 | static void vik_layer_class_init (VikLayerClass *klass) |
50a14534 EB |
64 | { |
65 | GObjectClass *object_class; | |
66 | ||
67 | object_class = G_OBJECT_CLASS (klass); | |
68 | ||
a0c65899 | 69 | object_class->finalize = (GObjectFinalizeFunc) vik_layer_finalize; |
50a14534 EB |
70 | |
71 | parent_class = g_type_class_peek_parent (klass); | |
72 | ||
73 | layer_signals[VL_UPDATE_SIGNAL] = g_signal_new ( "update", G_TYPE_FROM_CLASS (klass), | |
74 | G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (VikLayerClass, update), NULL, NULL, | |
75 | g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); | |
a7023a1b RN |
76 | |
77 | // Register all parameter defaults, early in the start up sequence | |
78 | VikLayerTypeEnum layer; | |
79 | for ( layer = 0; layer < VIK_LAYER_NUM_TYPES; layer++ ) | |
80 | // ATM ignore the returned value | |
81 | layer_defaults_register ( layer ); | |
50a14534 EB |
82 | } |
83 | ||
f01eebd4 RN |
84 | /** |
85 | * Invoke the actual drawing via signal method | |
86 | */ | |
87 | static gboolean idle_draw ( VikLayer *vl ) | |
88 | { | |
89 | g_signal_emit ( G_OBJECT(vl), layer_signals[VL_UPDATE_SIGNAL], 0 ); | |
90 | return FALSE; // Nothing else to do | |
91 | } | |
92 | ||
93 | /** | |
94 | * Draw specified layer | |
95 | */ | |
da121f9b | 96 | void vik_layer_emit_update ( VikLayer *vl ) |
0df66d57 | 97 | { |
09c91d84 | 98 | if ( vl->visible && vl->realized ) { |
86642fdf RN |
99 | GThread *thread = vik_window_get_thread ( VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vl)) ); |
100 | if ( !thread ) | |
101 | // Do nothing | |
102 | return; | |
103 | ||
c9177aae | 104 | vik_window_set_redraw_trigger(vl); |
f01eebd4 RN |
105 | |
106 | // Only ever draw when there is time to do so | |
86642fdf | 107 | if ( g_thread_self() != thread ) |
da121f9b | 108 | // Drawing requested from another (background) thread, so handle via the gdk thread method |
f01eebd4 RN |
109 | gdk_threads_add_idle ( (GSourceFunc) idle_draw, vl ); |
110 | else | |
111 | g_idle_add ( (GSourceFunc) idle_draw, vl ); | |
0df66d57 EB |
112 | } |
113 | } | |
114 | ||
f01eebd4 RN |
115 | /** |
116 | * should only be done by VikLayersPanel (hence never used from the background) | |
117 | * need to redraw and record trigger when we make a layer invisible. | |
0df66d57 EB |
118 | */ |
119 | void vik_layer_emit_update_although_invisible ( VikLayer *vl ) | |
120 | { | |
c9177aae | 121 | vik_window_set_redraw_trigger(vl); |
f01eebd4 | 122 | g_idle_add ( (GSourceFunc) idle_draw, vl ); |
0df66d57 EB |
123 | } |
124 | ||
0df66d57 EB |
125 | /* doesn't set the trigger. should be done by aggregate layer when child emits update. */ |
126 | void vik_layer_emit_update_secondary ( VikLayer *vl ) | |
50a14534 EB |
127 | { |
128 | if ( vl->visible ) | |
f01eebd4 RN |
129 | // TODO: this can used from the background - eg in acquire |
130 | // so will need to flow background update status through too | |
131 | g_idle_add ( (GSourceFunc) idle_draw, vl ); | |
50a14534 EB |
132 | } |
133 | ||
134 | static VikLayerInterface *vik_layer_interfaces[VIK_LAYER_NUM_TYPES] = { | |
135 | &vik_aggregate_layer_interface, | |
136 | &vik_trw_layer_interface, | |
137 | &vik_coord_layer_interface, | |
138 | &vik_georef_layer_interface, | |
b364d6bc | 139 | &vik_gps_layer_interface, |
50a14534 | 140 | &vik_maps_layer_interface, |
ad0a8c2d | 141 | &vik_dem_layer_interface, |
5fa4fe86 RN |
142 | #ifdef HAVE_LIBMAPNIK |
143 | &vik_mapnik_layer_interface, | |
144 | #endif | |
50a14534 EB |
145 | }; |
146 | ||
b5926b35 | 147 | VikLayerInterface *vik_layer_get_interface ( VikLayerTypeEnum type ) |
50a14534 EB |
148 | { |
149 | g_assert ( type < VIK_LAYER_NUM_TYPES ); | |
150 | return vik_layer_interfaces[type]; | |
151 | } | |
152 | ||
a7023a1b RN |
153 | /** |
154 | * Store default values for this layer | |
155 | * | |
156 | * Returns whether any parameters where registered | |
157 | */ | |
158 | static gboolean layer_defaults_register ( VikLayerTypeEnum type ) | |
159 | { | |
160 | // See if any parameters | |
161 | VikLayerParam *params = vik_layer_interfaces[type]->params; | |
162 | if ( ! params ) | |
163 | return FALSE; | |
164 | ||
165 | gboolean answer = FALSE; // Incase all parameters are 'not in properties' | |
166 | guint16 params_count = vik_layer_interfaces[type]->params_count; | |
167 | guint16 i; | |
168 | // Process each parameter | |
169 | for ( i = 0; i < params_count; i++ ) { | |
170 | if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES ) { | |
171 | if ( params[i].default_value ) { | |
172 | VikLayerParamData paramd = params[i].default_value(); | |
173 | a_layer_defaults_register ( ¶ms[i], paramd, vik_layer_interfaces[type]->fixed_layer_name ); | |
174 | answer = TRUE; | |
175 | } | |
176 | } | |
177 | } | |
178 | ||
179 | return answer; | |
180 | } | |
181 | ||
a0c65899 | 182 | static void vik_layer_init ( VikLayer *vl ) |
50a14534 EB |
183 | { |
184 | vl->visible = TRUE; | |
185 | vl->name = NULL; | |
186 | vl->realized = FALSE; | |
187 | } | |
188 | ||
b5926b35 | 189 | void vik_layer_set_type ( VikLayer *vl, VikLayerTypeEnum type ) |
50a14534 EB |
190 | { |
191 | vl->type = type; | |
192 | } | |
193 | ||
194 | /* frees old name */ | |
195 | void vik_layer_rename ( VikLayer *l, const gchar *new_name ) | |
196 | { | |
92558066 GB |
197 | g_assert ( l != NULL ); |
198 | g_assert ( new_name != NULL ); | |
199 | g_free ( l->name ); | |
50a14534 EB |
200 | l->name = g_strdup ( new_name ); |
201 | } | |
202 | ||
203 | void vik_layer_rename_no_copy ( VikLayer *l, gchar *new_name ) | |
204 | { | |
92558066 GB |
205 | g_assert ( l != NULL ); |
206 | g_assert ( new_name != NULL ); | |
207 | g_free ( l->name ); | |
50a14534 EB |
208 | l->name = new_name; |
209 | } | |
210 | ||
92558066 GB |
211 | const gchar *vik_layer_get_name ( VikLayer *l ) |
212 | { | |
213 | g_assert ( l != NULL); | |
214 | return l->name; | |
215 | } | |
216 | ||
03c97bc3 RN |
217 | time_t vik_layer_get_timestamp ( VikLayer *vl ) |
218 | { | |
219 | if ( vik_layer_interfaces[vl->type]->get_timestamp ) | |
220 | return vik_layer_interfaces[vl->type]->get_timestamp ( vl ); | |
221 | return 0; | |
222 | } | |
223 | ||
0ab35525 | 224 | VikLayer *vik_layer_create ( VikLayerTypeEnum type, VikViewport *vp, gboolean interactive ) |
50a14534 EB |
225 | { |
226 | VikLayer *new_layer = NULL; | |
227 | g_assert ( type < VIK_LAYER_NUM_TYPES ); | |
228 | ||
229 | new_layer = vik_layer_interfaces[type]->create ( vp ); | |
230 | ||
231 | g_assert ( new_layer != NULL ); | |
232 | ||
233 | if ( interactive ) | |
234 | { | |
235 | if ( vik_layer_properties ( new_layer, vp ) ) | |
4c77d5e0 GB |
236 | /* We translate the name here */ |
237 | /* in order to avoid translating name set by user */ | |
238 | vik_layer_rename ( VIK_LAYER(new_layer), _(vik_layer_interfaces[type]->name) ); | |
50a14534 EB |
239 | else |
240 | { | |
241 | g_object_unref ( G_OBJECT(new_layer) ); /* cancel that */ | |
242 | new_layer = NULL; | |
243 | } | |
244 | } | |
245 | return new_layer; | |
246 | } | |
247 | ||
248 | /* returns TRUE if OK was pressed */ | |
5e630e0e | 249 | gboolean vik_layer_properties ( VikLayer *layer, VikViewport *vp ) |
50a14534 EB |
250 | { |
251 | if ( vik_layer_interfaces[layer->type]->properties ) | |
252 | return vik_layer_interfaces[layer->type]->properties ( layer, vp ); | |
a0c65899 | 253 | return vik_layer_properties_factory ( layer, vp ); |
50a14534 EB |
254 | } |
255 | ||
45c5ac8e | 256 | void vik_layer_draw ( VikLayer *l, VikViewport *vp ) |
50a14534 EB |
257 | { |
258 | if ( l->visible ) | |
259 | if ( vik_layer_interfaces[l->type]->draw ) | |
45c5ac8e | 260 | vik_layer_interfaces[l->type]->draw ( l, vp ); |
50a14534 EB |
261 | } |
262 | ||
263 | void vik_layer_change_coord_mode ( VikLayer *l, VikCoordMode mode ) | |
264 | { | |
265 | if ( vik_layer_interfaces[l->type]->change_coord_mode ) | |
266 | vik_layer_interfaces[l->type]->change_coord_mode ( l, mode ); | |
267 | } | |
268 | ||
911400b5 | 269 | typedef struct { |
a2fe72b1 | 270 | VikLayerTypeEnum layer_type; |
911400b5 AF |
271 | gint len; |
272 | guint8 data[0]; | |
273 | } header_t; | |
274 | ||
275 | void vik_layer_marshall ( VikLayer *vl, guint8 **data, gint *len ) | |
276 | { | |
277 | header_t *header; | |
278 | if ( vl && vik_layer_interfaces[vl->type]->marshall ) { | |
279 | vik_layer_interfaces[vl->type]->marshall ( vl, data, len ); | |
280 | if (*data) { | |
281 | header = g_malloc(*len + sizeof(*header)); | |
282 | header->layer_type = vl->type; | |
283 | header->len = *len; | |
284 | memcpy(header->data, *data, *len); | |
285 | g_free(*data); | |
286 | *data = (guint8 *)header; | |
287 | *len = *len + sizeof(*header); | |
288 | } | |
289 | } else { | |
290 | *data = NULL; | |
291 | } | |
292 | } | |
293 | ||
294 | void vik_layer_marshall_params ( VikLayer *vl, guint8 **data, gint *datalen ) | |
295 | { | |
296 | VikLayerParam *params = vik_layer_get_interface(vl->type)->params; | |
297 | VikLayerFuncGetParam get_param = vik_layer_get_interface(vl->type)->get_param; | |
298 | GByteArray* b = g_byte_array_new (); | |
299 | gint len; | |
300 | ||
301 | #define vlm_append(obj, sz) \ | |
302 | len = (sz); \ | |
303 | g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \ | |
304 | g_byte_array_append ( b, (guint8 *)(obj), len ); | |
305 | ||
f90b7555 RN |
306 | // Store the internal properties first |
307 | vlm_append(&vl->visible, sizeof(vl->visible)); | |
911400b5 AF |
308 | vlm_append(vl->name, strlen(vl->name)); |
309 | ||
f90b7555 | 310 | // Now the actual parameters |
911400b5 AF |
311 | if ( params && get_param ) |
312 | { | |
313 | VikLayerParamData d; | |
314 | guint16 i, params_count = vik_layer_get_interface(vl->type)->params_count; | |
315 | for ( i = 0; i < params_count; i++ ) | |
316 | { | |
ce37ab9b | 317 | g_debug("%s: %s", __FUNCTION__, params[i].name); |
158b3642 | 318 | d = get_param(vl, i, FALSE); |
911400b5 AF |
319 | switch ( params[i].type ) |
320 | { | |
2598086b RN |
321 | case VIK_LAYER_PARAM_STRING: |
322 | // Remember need braces as these are macro calls, not single statement functions! | |
323 | if ( d.s ) { | |
324 | vlm_append(d.s, strlen(d.s)); | |
325 | } | |
326 | else { | |
327 | // Need to insert empty string otherwise the unmarshall will get confused | |
328 | vlm_append("", 0); | |
329 | } | |
330 | break; | |
fa86f1c0 EB |
331 | /* print out the string list in the array */ |
332 | case VIK_LAYER_PARAM_STRING_LIST: { | |
333 | GList *list = d.sl; | |
334 | ||
335 | /* write length of list (# of strings) */ | |
336 | gint listlen = g_list_length ( list ); | |
337 | g_byte_array_append ( b, (guint8 *)&listlen, sizeof(listlen) ); | |
338 | ||
339 | /* write each string */ | |
340 | while ( list ) { | |
341 | gchar *s = (gchar *) list->data; | |
342 | vlm_append(s, strlen(s)); | |
343 | list = list->next; | |
344 | } | |
345 | ||
346 | break; | |
347 | } | |
911400b5 AF |
348 | default: |
349 | vlm_append(&d, sizeof(d)); | |
350 | break; | |
351 | } | |
352 | } | |
353 | } | |
354 | ||
355 | *data = b->data; | |
356 | *datalen = b->len; | |
357 | g_byte_array_free ( b, FALSE ); | |
358 | ||
359 | #undef vlm_append | |
360 | } | |
361 | ||
362 | void vik_layer_unmarshall_params ( VikLayer *vl, guint8 *data, gint datalen, VikViewport *vvp ) | |
363 | { | |
364 | VikLayerParam *params = vik_layer_get_interface(vl->type)->params; | |
365 | VikLayerFuncSetParam set_param = vik_layer_get_interface(vl->type)->set_param; | |
366 | gchar *s; | |
367 | guint8 *b = (guint8 *)data; | |
368 | ||
369 | #define vlm_size (*(gint *)b) | |
370 | #define vlm_read(obj) \ | |
371 | memcpy((obj), b+sizeof(gint), vlm_size); \ | |
372 | b += sizeof(gint) + vlm_size; | |
f90b7555 RN |
373 | |
374 | vlm_read(&vl->visible); | |
375 | ||
911400b5 AF |
376 | s = g_malloc(vlm_size + 1); |
377 | s[vlm_size]=0; | |
378 | vlm_read(s); | |
911400b5 | 379 | vik_layer_rename(vl, s); |
911400b5 AF |
380 | g_free(s); |
381 | ||
382 | if ( params && set_param ) | |
383 | { | |
d7a77674 RN |
384 | VikLayerSetParam vlsp; |
385 | vlsp.vp = vvp; | |
386 | vlsp.is_file_operation = FALSE; | |
911400b5 AF |
387 | guint16 i, params_count = vik_layer_get_interface(vl->type)->params_count; |
388 | for ( i = 0; i < params_count; i++ ) | |
389 | { | |
d7a77674 | 390 | vlsp.id = i; |
ce37ab9b | 391 | g_debug("%s: %s", __FUNCTION__, params[i].name); |
911400b5 AF |
392 | switch ( params[i].type ) |
393 | { | |
394 | case VIK_LAYER_PARAM_STRING: | |
395 | s = g_malloc(vlm_size + 1); | |
396 | s[vlm_size]=0; | |
397 | vlm_read(s); | |
d7a77674 RN |
398 | vlsp.data.s = s; |
399 | set_param(vl, &vlsp); | |
911400b5 AF |
400 | g_free(s); |
401 | break; | |
fa86f1c0 EB |
402 | case VIK_LAYER_PARAM_STRING_LIST: { |
403 | gint listlen = vlm_size, j; | |
404 | GList *list = NULL; | |
405 | b += sizeof(gint); /* skip listlen */; | |
406 | ||
407 | for ( j = 0; j < listlen; j++ ) { | |
408 | /* get a string */ | |
409 | s = g_malloc(vlm_size + 1); | |
410 | s[vlm_size]=0; | |
411 | vlm_read(s); | |
412 | list = g_list_append ( list, s ); | |
413 | } | |
d7a77674 RN |
414 | vlsp.data.sl = list; |
415 | set_param(vl, &vlsp); | |
fa86f1c0 EB |
416 | /* don't free -- string list is responsibility of the layer */ |
417 | ||
418 | break; | |
419 | } | |
911400b5 | 420 | default: |
d7a77674 RN |
421 | vlm_read(&vlsp.data); |
422 | set_param(vl, &vlsp); | |
423 | break; | |
911400b5 AF |
424 | } |
425 | } | |
426 | } | |
427 | } | |
428 | ||
429 | VikLayer *vik_layer_unmarshall ( guint8 *data, gint len, VikViewport *vvp ) | |
430 | { | |
431 | header_t *header; | |
432 | ||
433 | header = (header_t *)data; | |
434 | ||
435 | if ( vik_layer_interfaces[header->layer_type]->unmarshall ) { | |
436 | return vik_layer_interfaces[header->layer_type]->unmarshall ( header->data, header->len, vvp ); | |
437 | } else { | |
438 | return NULL; | |
439 | } | |
440 | } | |
50a14534 | 441 | |
a0c65899 | 442 | static void vik_layer_finalize ( VikLayer *vl ) |
50a14534 EB |
443 | { |
444 | g_assert ( vl != NULL ); | |
445 | if ( vik_layer_interfaces[vl->type]->free ) | |
446 | vik_layer_interfaces[vl->type]->free ( vl ); | |
447 | if ( vl->name ) | |
448 | g_free ( vl->name ); | |
449 | G_OBJECT_CLASS(parent_class)->finalize(G_OBJECT(vl)); | |
450 | } | |
451 | ||
452 | /* sublayer switching */ | |
453 | gboolean vik_layer_sublayer_toggle_visible ( VikLayer *l, gint subtype, gpointer sublayer ) | |
454 | { | |
455 | if ( vik_layer_interfaces[l->type]->sublayer_toggle_visible ) | |
456 | return vik_layer_interfaces[l->type]->sublayer_toggle_visible ( l, subtype, sublayer ); | |
457 | return TRUE; /* if unknown, will always be visible */ | |
458 | } | |
459 | ||
a5dcfdb7 RN |
460 | gboolean vik_layer_selected ( VikLayer *l, gint subtype, gpointer sublayer, gint type, gpointer vlp ) |
461 | { | |
462 | if ( vik_layer_interfaces[l->type]->layer_selected ) | |
463 | return vik_layer_interfaces[l->type]->layer_selected ( l, subtype, sublayer, type, vlp ); | |
464 | /* Since no 'layer_selected' function explicitly turn off here */ | |
465 | return vik_window_clear_highlight ( (VikWindow *)VIK_GTK_WINDOW_FROM_LAYER(l) ); | |
466 | } | |
467 | ||
50a14534 EB |
468 | void vik_layer_realize ( VikLayer *l, VikTreeview *vt, GtkTreeIter *layer_iter ) |
469 | { | |
470 | l->vt = vt; | |
471 | l->iter = *layer_iter; | |
472 | l->realized = TRUE; | |
473 | if ( vik_layer_interfaces[l->type]->realize ) | |
474 | vik_layer_interfaces[l->type]->realize ( l, vt, layer_iter ); | |
475 | } | |
476 | ||
20c7a3a0 QT |
477 | void vik_layer_set_menu_items_selection(VikLayer *l, guint16 selection) |
478 | { | |
479 | if ( vik_layer_interfaces[l->type]->set_menu_selection ) | |
480 | vik_layer_interfaces[l->type]->set_menu_selection ( l, selection ); | |
481 | } | |
482 | ||
483 | guint16 vik_layer_get_menu_items_selection(VikLayer *l) | |
484 | { | |
485 | if ( vik_layer_interfaces[l->type]->get_menu_selection ) | |
486 | return(vik_layer_interfaces[l->type]->get_menu_selection (l)); | |
487 | else | |
488 | return(vik_layer_interfaces[l->type]->menu_items_selection); | |
489 | } | |
490 | ||
50a14534 EB |
491 | void vik_layer_add_menu_items ( VikLayer *l, GtkMenu *menu, gpointer vlp ) |
492 | { | |
493 | if ( vik_layer_interfaces[l->type]->add_menu_items ) | |
494 | vik_layer_interfaces[l->type]->add_menu_items ( l, menu, vlp ); | |
495 | } | |
496 | ||
50eadc64 | 497 | gboolean vik_layer_sublayer_add_menu_items ( VikLayer *l, GtkMenu *menu, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter, VikViewport *vvp ) |
50a14534 EB |
498 | { |
499 | if ( vik_layer_interfaces[l->type]->sublayer_add_menu_items ) | |
50eadc64 | 500 | return vik_layer_interfaces[l->type]->sublayer_add_menu_items ( l, menu, vlp, subtype, sublayer, iter, vvp ); |
50a14534 EB |
501 | return FALSE; |
502 | } | |
503 | ||
504 | ||
505 | const gchar *vik_layer_sublayer_rename_request ( VikLayer *l, const gchar *newname, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter ) | |
506 | { | |
507 | if ( vik_layer_interfaces[l->type]->sublayer_rename_request ) | |
508 | return vik_layer_interfaces[l->type]->sublayer_rename_request ( l, newname, vlp, subtype, sublayer, iter ); | |
509 | return NULL; | |
510 | } | |
511 | ||
9da7faf2 RN |
512 | const gchar* vik_layer_sublayer_tooltip ( VikLayer *l, gint subtype, gpointer sublayer ) |
513 | { | |
514 | if ( vik_layer_interfaces[l->type]->sublayer_tooltip ) | |
515 | return vik_layer_interfaces[l->type]->sublayer_tooltip ( l, subtype, sublayer ); | |
516 | return NULL; | |
517 | } | |
518 | ||
1e8b7f57 RN |
519 | const gchar* vik_layer_layer_tooltip ( VikLayer *l ) |
520 | { | |
521 | if ( vik_layer_interfaces[l->type]->layer_tooltip ) | |
522 | return vik_layer_interfaces[l->type]->layer_tooltip ( l ); | |
523 | return NULL; | |
524 | } | |
525 | ||
b5926b35 | 526 | GdkPixbuf *vik_layer_load_icon ( VikLayerTypeEnum type ) |
50a14534 EB |
527 | { |
528 | g_assert ( type < VIK_LAYER_NUM_TYPES ); | |
529 | if ( vik_layer_interfaces[type]->icon ) | |
530 | return gdk_pixbuf_from_pixdata ( vik_layer_interfaces[type]->icon, FALSE, NULL ); | |
531 | return NULL; | |
532 | } | |
533 | ||
d7a77674 | 534 | gboolean vik_layer_set_param ( VikLayer *vl, VikLayerSetParam *vlsp ) |
50a14534 | 535 | { |
d7a77674 RN |
536 | if ( vik_layer_interfaces[vl->type]->set_param ) |
537 | return vik_layer_interfaces[vl->type]->set_param ( vl, vlsp ); | |
50a14534 EB |
538 | return FALSE; |
539 | } | |
540 | ||
07059501 | 541 | void vik_layer_post_read ( VikLayer *layer, VikViewport *vp, gboolean from_file ) |
50a14534 EB |
542 | { |
543 | if ( vik_layer_interfaces[layer->type]->post_read ) | |
07059501 | 544 | vik_layer_interfaces[layer->type]->post_read ( layer, vp, from_file ); |
50a14534 EB |
545 | } |
546 | ||
a0c65899 | 547 | static gboolean vik_layer_properties_factory ( VikLayer *vl, VikViewport *vp ) |
50a14534 | 548 | { |
13fde155 RN |
549 | switch ( a_uibuilder_properties_factory ( _("Layer Properties"), |
550 | VIK_GTK_WINDOW_FROM_WIDGET(vp), | |
dc2c040e RN |
551 | vik_layer_interfaces[vl->type]->params, |
552 | vik_layer_interfaces[vl->type]->params_count, | |
553 | vik_layer_interfaces[vl->type]->params_groups, | |
554 | vik_layer_interfaces[vl->type]->params_groups_count, | |
d7a77674 RN |
555 | (gpointer) vik_layer_interfaces[vl->type]->set_param, |
556 | NULL, | |
dc2c040e RN |
557 | vl, |
558 | vp, | |
559 | (gpointer) vik_layer_interfaces[vl->type]->get_param, | |
db43cfa4 RN |
560 | vl, |
561 | (gpointer) vik_layer_interfaces[vl->type]->change_param ) ) { | |
28c82d8b | 562 | case 0: |
28c82d8b | 563 | case 3: |
730a38c1 | 564 | return FALSE; |
28c82d8b EB |
565 | /* redraw (?) */ |
566 | case 2: | |
07059501 | 567 | vik_layer_post_read ( vl, vp, FALSE ); /* update any gc's */ |
28c82d8b EB |
568 | default: |
569 | return TRUE; | |
50a14534 EB |
570 | } |
571 | } | |
bce3a7b0 | 572 | |
44b84795 RN |
573 | VikLayerTypeEnum vik_layer_type_from_string ( const gchar *str ) |
574 | { | |
575 | VikLayerTypeEnum i; | |
576 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
577 | if ( strcasecmp ( str, vik_layer_get_interface(i)->fixed_layer_name ) == 0 ) | |
578 | return i; | |
579 | return VIK_LAYER_NUM_TYPES; | |
580 | } | |
176e0989 RN |
581 | |
582 | void vik_layer_typed_param_data_free ( gpointer gp ) | |
583 | { | |
584 | VikLayerTypedParamData *val = (VikLayerTypedParamData *)gp; | |
585 | switch ( val->type ) { | |
586 | case VIK_LAYER_PARAM_STRING: | |
587 | if ( val->data.s ) | |
588 | g_free ( (gpointer)val->data.s ); | |
589 | break; | |
590 | /* TODO: APPLICABLE TO US? NOTE: string layer works auniquely: data.sl should NOT be free'd when | |
591 | * the internals call get_param -- i.e. it should be managed w/in the layer. | |
592 | * The value passed by the internals into set_param should also be managed | |
593 | * by the layer -- i.e. free'd by the layer. | |
594 | */ | |
595 | case VIK_LAYER_PARAM_STRING_LIST: | |
596 | g_warning ("Param strings not implemented"); //fake it | |
597 | break; | |
598 | default: | |
599 | break; | |
600 | } | |
601 | g_free ( val ); | |
602 | } | |
603 | ||
604 | VikLayerTypedParamData *vik_layer_typed_param_data_copy_from_data (VikLayerParamType type, VikLayerParamData val) { | |
605 | VikLayerTypedParamData *newval = g_new(VikLayerTypedParamData,1); | |
606 | newval->data = val; | |
607 | newval->type = type; | |
608 | switch ( newval->type ) { | |
609 | case VIK_LAYER_PARAM_STRING: { | |
610 | gchar *s = g_strdup(newval->data.s); | |
611 | newval->data.s = s; | |
612 | break; | |
613 | } | |
614 | /* TODO: APPLICABLE TO US? NOTE: string layer works auniquely: data.sl should NOT be free'd when | |
615 | * the internals call get_param -- i.e. it should be managed w/in the layer. | |
616 | * The value passed by the internals into set_param should also be managed | |
617 | * by the layer -- i.e. free'd by the layer. | |
618 | */ | |
619 | case VIK_LAYER_PARAM_STRING_LIST: | |
620 | g_critical ( "Param strings not implemented"); //fake it | |
621 | break; | |
622 | default: | |
623 | break; | |
624 | } | |
625 | return newval; | |
626 | } | |
627 | ||
628 | #define TEST_BOOLEAN(str) (! ((str)[0] == '\0' || (str)[0] == '0' || (str)[0] == 'n' || (str)[0] == 'N' || (str)[0] == 'f' || (str)[0] == 'F') ) | |
629 | ||
630 | VikLayerTypedParamData *vik_layer_data_typed_param_copy_from_string ( VikLayerParamType type, const gchar *str ) | |
631 | { | |
632 | VikLayerTypedParamData *rv = g_new(VikLayerTypedParamData,1); | |
633 | rv->type = type; | |
634 | switch ( type ) | |
635 | { | |
636 | case VIK_LAYER_PARAM_DOUBLE: rv->data.d = strtod(str, NULL); break; | |
637 | case VIK_LAYER_PARAM_UINT: rv->data.u = strtoul(str, NULL, 10); break; | |
638 | case VIK_LAYER_PARAM_INT: rv->data.i = strtol(str, NULL, 10); break; | |
639 | case VIK_LAYER_PARAM_BOOLEAN: rv->data.b = TEST_BOOLEAN(str); break; | |
640 | case VIK_LAYER_PARAM_COLOR: memset(&(rv->data.c), 0, sizeof(rv->data.c)); /* default: black */ | |
641 | gdk_color_parse ( str, &(rv->data.c) ); break; | |
642 | /* STRING or STRING_LIST -- if STRING_LIST, just set param to add a STRING */ | |
643 | default: { | |
644 | gchar *s = g_strdup(str); | |
645 | rv->data.s = s; | |
646 | } | |
647 | } | |
648 | return rv; | |
649 | } | |
650 | ||
a7023a1b RN |
651 | |
652 | /** | |
653 | * vik_layer_set_defaults: | |
654 | * | |
655 | * Loop around all parameters for the specified layer to call the function to get the | |
656 | * default value for that parameter | |
657 | */ | |
658 | void vik_layer_set_defaults ( VikLayer *vl, VikViewport *vvp ) | |
659 | { | |
1b14d0d2 RN |
660 | // Sneaky initialize of the viewport value here |
661 | vl->vvp = vvp; | |
a7023a1b RN |
662 | VikLayerInterface *vli = vik_layer_get_interface ( vl->type ); |
663 | const gchar *layer_name = vli->fixed_layer_name; | |
d7a77674 | 664 | VikLayerSetParam vlsp; |
a7023a1b | 665 | |
d7a77674 RN |
666 | vlsp.is_file_operation = TRUE; // Possibly come from a file |
667 | vlsp.vp = vvp; | |
a7023a1b RN |
668 | int i; |
669 | for ( i = 0; i < vli->params_count; i++ ) { | |
d7a77674 | 670 | vlsp.id = i; |
a7023a1b RN |
671 | // Ensure parameter is for use |
672 | if ( vli->params[i].group > VIK_LAYER_NOT_IN_PROPERTIES ) { | |
673 | // ATM can't handle string lists | |
674 | // only DEM files uses this currently | |
675 | if ( vli->params[i].type != VIK_LAYER_PARAM_STRING_LIST ) { | |
d7a77674 RN |
676 | vlsp.data = a_layer_defaults_get ( layer_name, vli->params[i].name, vli->params[i].type ); |
677 | vik_layer_set_param ( vl, &vlsp ); | |
a7023a1b RN |
678 | } |
679 | } | |
680 | } | |
681 | } |