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50a14534 EB |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
5 | * | |
6 | * This program 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 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program 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 this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include "viking.h" | |
23 | #include "vikradiogroup.h" | |
ad0a8c2d | 24 | #include "vikfilelist.h" |
911400b5 | 25 | #include <string.h> |
50a14534 EB |
26 | |
27 | /* functions common to all layers. */ | |
28 | /* TODO longone: rename interface free -> finalize */ | |
29 | ||
30 | extern VikLayerInterface vik_aggregate_layer_interface; | |
31 | extern VikLayerInterface vik_trw_layer_interface; | |
32 | extern VikLayerInterface vik_maps_layer_interface; | |
33 | extern VikLayerInterface vik_coord_layer_interface; | |
34 | extern VikLayerInterface vik_georef_layer_interface; | |
b364d6bc | 35 | extern VikLayerInterface vik_gps_layer_interface; |
ad0a8c2d | 36 | extern VikLayerInterface vik_dem_layer_interface; |
50a14534 EB |
37 | |
38 | enum { | |
39 | VL_UPDATE_SIGNAL, | |
40 | VL_LAST_SIGNAL | |
41 | }; | |
42 | static guint layer_signals[VL_LAST_SIGNAL] = { 0 }; | |
43 | ||
44 | static GObjectClass *parent_class; | |
45 | ||
46 | static void layer_class_init ( VikLayerClass *klass ); | |
47 | static void layer_init ( VikLayer *vl ); | |
48 | static void layer_finalize ( VikLayer *vl ); | |
94933cb8 | 49 | static gboolean layer_properties_factory ( VikLayer *vl, VikViewport *vp ); |
50a14534 EB |
50 | |
51 | ||
52 | /* TODO longone: rename vik_layer_init -> set_type */ | |
53 | ||
54 | GType vik_layer_get_type () | |
55 | { | |
56 | static GType vl_type = 0; | |
57 | ||
58 | if (!vl_type) | |
59 | { | |
60 | static const GTypeInfo vl_info = | |
61 | { | |
62 | sizeof (VikLayerClass), | |
63 | NULL, /* base_init */ | |
64 | NULL, /* base_finalize */ | |
65 | (GClassInitFunc) layer_class_init, /* class init */ | |
66 | NULL, /* class_finalize */ | |
67 | NULL, /* class_data */ | |
68 | sizeof (VikLayer), | |
69 | 0, | |
70 | (GInstanceInitFunc) layer_init /* instance init */ | |
71 | }; | |
72 | vl_type = g_type_register_static ( G_TYPE_OBJECT, "VikLayer", &vl_info, 0 ); | |
73 | } | |
74 | ||
75 | return vl_type; | |
76 | } | |
77 | ||
78 | static void layer_class_init (VikLayerClass *klass) | |
79 | { | |
80 | GObjectClass *object_class; | |
81 | ||
82 | object_class = G_OBJECT_CLASS (klass); | |
83 | ||
84 | object_class->finalize = (GObjectFinalizeFunc) layer_finalize; | |
85 | ||
86 | parent_class = g_type_class_peek_parent (klass); | |
87 | ||
88 | layer_signals[VL_UPDATE_SIGNAL] = g_signal_new ( "update", G_TYPE_FROM_CLASS (klass), | |
89 | G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (VikLayerClass, update), NULL, NULL, | |
90 | g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); | |
91 | } | |
92 | ||
93 | void vik_layer_emit_update ( VikLayer *vl ) | |
0df66d57 EB |
94 | { |
95 | if ( vl->visible ) { | |
c9177aae | 96 | vik_window_set_redraw_trigger(vl); |
0df66d57 EB |
97 | g_signal_emit ( G_OBJECT(vl), layer_signals[VL_UPDATE_SIGNAL], 0 ); |
98 | } | |
99 | } | |
100 | ||
101 | /* should only be done by VikLayersPanel -- need to redraw and record trigger | |
102 | * when we make a layer invisible. | |
103 | */ | |
104 | void vik_layer_emit_update_although_invisible ( VikLayer *vl ) | |
105 | { | |
c9177aae | 106 | vik_window_set_redraw_trigger(vl); |
0df66d57 EB |
107 | g_signal_emit ( G_OBJECT(vl), layer_signals[VL_UPDATE_SIGNAL], 0 ); |
108 | } | |
109 | ||
0df66d57 EB |
110 | /* doesn't set the trigger. should be done by aggregate layer when child emits update. */ |
111 | void vik_layer_emit_update_secondary ( VikLayer *vl ) | |
50a14534 EB |
112 | { |
113 | if ( vl->visible ) | |
114 | g_signal_emit ( G_OBJECT(vl), layer_signals[VL_UPDATE_SIGNAL], 0 ); | |
115 | } | |
116 | ||
117 | static VikLayerInterface *vik_layer_interfaces[VIK_LAYER_NUM_TYPES] = { | |
118 | &vik_aggregate_layer_interface, | |
119 | &vik_trw_layer_interface, | |
120 | &vik_coord_layer_interface, | |
121 | &vik_georef_layer_interface, | |
b364d6bc | 122 | &vik_gps_layer_interface, |
50a14534 | 123 | &vik_maps_layer_interface, |
ad0a8c2d | 124 | &vik_dem_layer_interface, |
50a14534 EB |
125 | }; |
126 | ||
127 | VikLayerInterface *vik_layer_get_interface ( gint type ) | |
128 | { | |
129 | g_assert ( type < VIK_LAYER_NUM_TYPES ); | |
130 | return vik_layer_interfaces[type]; | |
131 | } | |
132 | ||
133 | static void layer_init ( VikLayer *vl ) | |
134 | { | |
135 | vl->visible = TRUE; | |
136 | vl->name = NULL; | |
137 | vl->realized = FALSE; | |
138 | } | |
139 | ||
140 | void vik_layer_init ( VikLayer *vl, gint type ) | |
141 | { | |
142 | vl->type = type; | |
143 | } | |
144 | ||
145 | /* frees old name */ | |
146 | void vik_layer_rename ( VikLayer *l, const gchar *new_name ) | |
147 | { | |
92558066 GB |
148 | g_assert ( l != NULL ); |
149 | g_assert ( new_name != NULL ); | |
150 | g_free ( l->name ); | |
50a14534 EB |
151 | l->name = g_strdup ( new_name ); |
152 | } | |
153 | ||
154 | void vik_layer_rename_no_copy ( VikLayer *l, gchar *new_name ) | |
155 | { | |
92558066 GB |
156 | g_assert ( l != NULL ); |
157 | g_assert ( new_name != NULL ); | |
158 | g_free ( l->name ); | |
50a14534 EB |
159 | l->name = new_name; |
160 | } | |
161 | ||
92558066 GB |
162 | const gchar *vik_layer_get_name ( VikLayer *l ) |
163 | { | |
164 | g_assert ( l != NULL); | |
165 | return l->name; | |
166 | } | |
167 | ||
50a14534 EB |
168 | VikLayer *vik_layer_create ( gint type, gpointer vp, GtkWindow *w, gboolean interactive ) |
169 | { | |
170 | VikLayer *new_layer = NULL; | |
171 | g_assert ( type < VIK_LAYER_NUM_TYPES ); | |
172 | ||
173 | new_layer = vik_layer_interfaces[type]->create ( vp ); | |
174 | ||
175 | g_assert ( new_layer != NULL ); | |
176 | ||
177 | if ( interactive ) | |
178 | { | |
179 | if ( vik_layer_properties ( new_layer, vp ) ) | |
180 | vik_layer_rename ( VIK_LAYER(new_layer), vik_layer_interfaces[type]->name ); | |
181 | else | |
182 | { | |
183 | g_object_unref ( G_OBJECT(new_layer) ); /* cancel that */ | |
184 | new_layer = NULL; | |
185 | } | |
186 | } | |
187 | return new_layer; | |
188 | } | |
189 | ||
190 | /* returns TRUE if OK was pressed */ | |
191 | gboolean vik_layer_properties ( VikLayer *layer, gpointer vp ) | |
192 | { | |
193 | if ( vik_layer_interfaces[layer->type]->properties ) | |
194 | return vik_layer_interfaces[layer->type]->properties ( layer, vp ); | |
195 | return layer_properties_factory ( layer, vp ); | |
196 | } | |
197 | ||
198 | void vik_layer_draw ( VikLayer *l, gpointer data ) | |
199 | { | |
200 | if ( l->visible ) | |
201 | if ( vik_layer_interfaces[l->type]->draw ) | |
202 | vik_layer_interfaces[l->type]->draw ( l, data ); | |
203 | } | |
204 | ||
205 | void vik_layer_change_coord_mode ( VikLayer *l, VikCoordMode mode ) | |
206 | { | |
207 | if ( vik_layer_interfaces[l->type]->change_coord_mode ) | |
208 | vik_layer_interfaces[l->type]->change_coord_mode ( l, mode ); | |
209 | } | |
210 | ||
911400b5 AF |
211 | typedef struct { |
212 | gint layer_type; | |
213 | gint len; | |
214 | guint8 data[0]; | |
215 | } header_t; | |
216 | ||
217 | void vik_layer_marshall ( VikLayer *vl, guint8 **data, gint *len ) | |
218 | { | |
219 | header_t *header; | |
220 | if ( vl && vik_layer_interfaces[vl->type]->marshall ) { | |
221 | vik_layer_interfaces[vl->type]->marshall ( vl, data, len ); | |
222 | if (*data) { | |
223 | header = g_malloc(*len + sizeof(*header)); | |
224 | header->layer_type = vl->type; | |
225 | header->len = *len; | |
226 | memcpy(header->data, *data, *len); | |
227 | g_free(*data); | |
228 | *data = (guint8 *)header; | |
229 | *len = *len + sizeof(*header); | |
230 | } | |
231 | } else { | |
232 | *data = NULL; | |
233 | } | |
234 | } | |
235 | ||
236 | void vik_layer_marshall_params ( VikLayer *vl, guint8 **data, gint *datalen ) | |
237 | { | |
238 | VikLayerParam *params = vik_layer_get_interface(vl->type)->params; | |
239 | VikLayerFuncGetParam get_param = vik_layer_get_interface(vl->type)->get_param; | |
240 | GByteArray* b = g_byte_array_new (); | |
241 | gint len; | |
242 | ||
243 | #define vlm_append(obj, sz) \ | |
244 | len = (sz); \ | |
245 | g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \ | |
246 | g_byte_array_append ( b, (guint8 *)(obj), len ); | |
247 | ||
248 | vlm_append(vl->name, strlen(vl->name)); | |
249 | ||
250 | if ( params && get_param ) | |
251 | { | |
252 | VikLayerParamData d; | |
253 | guint16 i, params_count = vik_layer_get_interface(vl->type)->params_count; | |
254 | for ( i = 0; i < params_count; i++ ) | |
255 | { | |
256 | d = get_param(vl, i); | |
257 | switch ( params[i].type ) | |
258 | { | |
259 | case VIK_LAYER_PARAM_STRING: | |
260 | vlm_append(d.s, strlen(d.s)); | |
261 | break; | |
fa86f1c0 EB |
262 | |
263 | /* print out the string list in the array */ | |
264 | case VIK_LAYER_PARAM_STRING_LIST: { | |
265 | GList *list = d.sl; | |
266 | ||
267 | /* write length of list (# of strings) */ | |
268 | gint listlen = g_list_length ( list ); | |
269 | g_byte_array_append ( b, (guint8 *)&listlen, sizeof(listlen) ); | |
270 | ||
271 | /* write each string */ | |
272 | while ( list ) { | |
273 | gchar *s = (gchar *) list->data; | |
274 | vlm_append(s, strlen(s)); | |
275 | list = list->next; | |
276 | } | |
277 | ||
278 | break; | |
279 | } | |
911400b5 AF |
280 | default: |
281 | vlm_append(&d, sizeof(d)); | |
282 | break; | |
283 | } | |
284 | } | |
285 | } | |
286 | ||
287 | *data = b->data; | |
288 | *datalen = b->len; | |
289 | g_byte_array_free ( b, FALSE ); | |
290 | ||
291 | #undef vlm_append | |
292 | } | |
293 | ||
294 | void vik_layer_unmarshall_params ( VikLayer *vl, guint8 *data, gint datalen, VikViewport *vvp ) | |
295 | { | |
296 | VikLayerParam *params = vik_layer_get_interface(vl->type)->params; | |
297 | VikLayerFuncSetParam set_param = vik_layer_get_interface(vl->type)->set_param; | |
298 | gchar *s; | |
299 | guint8 *b = (guint8 *)data; | |
300 | ||
301 | #define vlm_size (*(gint *)b) | |
302 | #define vlm_read(obj) \ | |
303 | memcpy((obj), b+sizeof(gint), vlm_size); \ | |
304 | b += sizeof(gint) + vlm_size; | |
305 | ||
306 | s = g_malloc(vlm_size + 1); | |
307 | s[vlm_size]=0; | |
308 | vlm_read(s); | |
309 | ||
310 | vik_layer_rename(vl, s); | |
311 | ||
312 | g_free(s); | |
313 | ||
314 | if ( params && set_param ) | |
315 | { | |
316 | VikLayerParamData d; | |
317 | guint16 i, params_count = vik_layer_get_interface(vl->type)->params_count; | |
318 | for ( i = 0; i < params_count; i++ ) | |
319 | { | |
320 | switch ( params[i].type ) | |
321 | { | |
322 | case VIK_LAYER_PARAM_STRING: | |
323 | s = g_malloc(vlm_size + 1); | |
324 | s[vlm_size]=0; | |
325 | vlm_read(s); | |
326 | d.s = s; | |
327 | set_param(vl, i, d, vvp); | |
328 | g_free(s); | |
329 | break; | |
fa86f1c0 EB |
330 | case VIK_LAYER_PARAM_STRING_LIST: { |
331 | gint listlen = vlm_size, j; | |
332 | GList *list = NULL; | |
333 | b += sizeof(gint); /* skip listlen */; | |
334 | ||
335 | for ( j = 0; j < listlen; j++ ) { | |
336 | /* get a string */ | |
337 | s = g_malloc(vlm_size + 1); | |
338 | s[vlm_size]=0; | |
339 | vlm_read(s); | |
340 | list = g_list_append ( list, s ); | |
341 | } | |
342 | d.sl = list; | |
343 | set_param ( vl, i, d, vvp ); | |
344 | /* don't free -- string list is responsibility of the layer */ | |
345 | ||
346 | break; | |
347 | } | |
911400b5 AF |
348 | default: |
349 | vlm_read(&d); | |
350 | set_param(vl, i, d, vvp); | |
351 | break; | |
352 | } | |
353 | } | |
354 | } | |
355 | } | |
356 | ||
357 | VikLayer *vik_layer_unmarshall ( guint8 *data, gint len, VikViewport *vvp ) | |
358 | { | |
359 | header_t *header; | |
360 | ||
361 | header = (header_t *)data; | |
362 | ||
363 | if ( vik_layer_interfaces[header->layer_type]->unmarshall ) { | |
364 | return vik_layer_interfaces[header->layer_type]->unmarshall ( header->data, header->len, vvp ); | |
365 | } else { | |
366 | return NULL; | |
367 | } | |
368 | } | |
50a14534 EB |
369 | |
370 | static void layer_finalize ( VikLayer *vl ) | |
371 | { | |
372 | g_assert ( vl != NULL ); | |
373 | if ( vik_layer_interfaces[vl->type]->free ) | |
374 | vik_layer_interfaces[vl->type]->free ( vl ); | |
375 | if ( vl->name ) | |
376 | g_free ( vl->name ); | |
377 | G_OBJECT_CLASS(parent_class)->finalize(G_OBJECT(vl)); | |
378 | } | |
379 | ||
380 | /* sublayer switching */ | |
381 | gboolean vik_layer_sublayer_toggle_visible ( VikLayer *l, gint subtype, gpointer sublayer ) | |
382 | { | |
383 | if ( vik_layer_interfaces[l->type]->sublayer_toggle_visible ) | |
384 | return vik_layer_interfaces[l->type]->sublayer_toggle_visible ( l, subtype, sublayer ); | |
385 | return TRUE; /* if unknown, will always be visible */ | |
386 | } | |
387 | ||
388 | void vik_layer_realize ( VikLayer *l, VikTreeview *vt, GtkTreeIter *layer_iter ) | |
389 | { | |
390 | l->vt = vt; | |
391 | l->iter = *layer_iter; | |
392 | l->realized = TRUE; | |
393 | if ( vik_layer_interfaces[l->type]->realize ) | |
394 | vik_layer_interfaces[l->type]->realize ( l, vt, layer_iter ); | |
395 | } | |
396 | ||
20c7a3a0 QT |
397 | void vik_layer_set_menu_items_selection(VikLayer *l, guint16 selection) |
398 | { | |
399 | if ( vik_layer_interfaces[l->type]->set_menu_selection ) | |
400 | vik_layer_interfaces[l->type]->set_menu_selection ( l, selection ); | |
401 | } | |
402 | ||
403 | guint16 vik_layer_get_menu_items_selection(VikLayer *l) | |
404 | { | |
405 | if ( vik_layer_interfaces[l->type]->get_menu_selection ) | |
406 | return(vik_layer_interfaces[l->type]->get_menu_selection (l)); | |
407 | else | |
408 | return(vik_layer_interfaces[l->type]->menu_items_selection); | |
409 | } | |
410 | ||
50a14534 EB |
411 | void vik_layer_add_menu_items ( VikLayer *l, GtkMenu *menu, gpointer vlp ) |
412 | { | |
413 | if ( vik_layer_interfaces[l->type]->add_menu_items ) | |
414 | vik_layer_interfaces[l->type]->add_menu_items ( l, menu, vlp ); | |
415 | } | |
416 | ||
417 | gboolean vik_layer_sublayer_add_menu_items ( VikLayer *l, GtkMenu *menu, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter ) | |
418 | { | |
419 | if ( vik_layer_interfaces[l->type]->sublayer_add_menu_items ) | |
420 | return vik_layer_interfaces[l->type]->sublayer_add_menu_items ( l, menu, vlp, subtype, sublayer, iter ); | |
421 | return FALSE; | |
422 | } | |
423 | ||
424 | ||
425 | const gchar *vik_layer_sublayer_rename_request ( VikLayer *l, const gchar *newname, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter ) | |
426 | { | |
427 | if ( vik_layer_interfaces[l->type]->sublayer_rename_request ) | |
428 | return vik_layer_interfaces[l->type]->sublayer_rename_request ( l, newname, vlp, subtype, sublayer, iter ); | |
429 | return NULL; | |
430 | } | |
431 | ||
432 | GdkPixbuf *vik_layer_load_icon ( gint type ) | |
433 | { | |
434 | g_assert ( type < VIK_LAYER_NUM_TYPES ); | |
435 | if ( vik_layer_interfaces[type]->icon ) | |
436 | return gdk_pixbuf_from_pixdata ( vik_layer_interfaces[type]->icon, FALSE, NULL ); | |
437 | return NULL; | |
438 | } | |
439 | ||
440 | gboolean vik_layer_set_param ( VikLayer *layer, guint16 id, VikLayerParamData data, gpointer vp ) | |
441 | { | |
442 | if ( vik_layer_interfaces[layer->type]->set_param ) | |
443 | return vik_layer_interfaces[layer->type]->set_param ( layer, id, data, vp ); | |
444 | return FALSE; | |
445 | } | |
446 | ||
07059501 | 447 | void vik_layer_post_read ( VikLayer *layer, VikViewport *vp, gboolean from_file ) |
50a14534 EB |
448 | { |
449 | if ( vik_layer_interfaces[layer->type]->post_read ) | |
07059501 | 450 | vik_layer_interfaces[layer->type]->post_read ( layer, vp, from_file ); |
50a14534 EB |
451 | } |
452 | ||
453 | static GtkWidget *properties_widget_new_widget ( VikLayerParam *param, VikLayerParamData data ) | |
454 | { | |
cdcaf41c | 455 | GtkWidget *rv = NULL; |
50a14534 EB |
456 | switch ( param->widget_type ) |
457 | { | |
458 | case VIK_LAYER_WIDGET_COLOR: | |
459 | if ( param->type == VIK_LAYER_PARAM_COLOR ) | |
460 | rv = gtk_color_button_new_with_color ( &(data.c) ); | |
461 | break; | |
462 | case VIK_LAYER_WIDGET_CHECKBUTTON: | |
463 | if ( param->type == VIK_LAYER_PARAM_BOOLEAN ) | |
464 | { | |
465 | //rv = gtk_check_button_new_with_label ( //param->title ); | |
466 | rv = gtk_check_button_new (); | |
467 | if ( data.b ) | |
468 | gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON(rv), TRUE ); | |
469 | } | |
470 | break; | |
471 | case VIK_LAYER_WIDGET_COMBOBOX: | |
ad0a8c2d | 472 | #ifndef GTK_2_2 |
50a14534 EB |
473 | if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data ) |
474 | { | |
475 | gchar **pstr = param->widget_data; | |
476 | rv = gtk_combo_box_new_text (); | |
477 | while ( *pstr ) | |
478 | gtk_combo_box_append_text ( GTK_COMBO_BOX ( rv ), *(pstr++) ); | |
479 | if ( param->extra_widget_data ) /* map of alternate uint values for options */ | |
480 | { | |
481 | int i; | |
482 | for ( i = 0; ((const char **)param->widget_data)[i]; i++ ) | |
483 | if ( ((guint *)param->extra_widget_data)[i] == data.u ) | |
484 | { | |
485 | gtk_combo_box_set_active ( GTK_COMBO_BOX(rv), i ); | |
486 | break; | |
487 | } | |
488 | } | |
489 | gtk_combo_box_set_active ( GTK_COMBO_BOX ( rv ), data.u ); | |
490 | } | |
491 | break; | |
ad0a8c2d | 492 | #endif |
50a14534 | 493 | case VIK_LAYER_WIDGET_RADIOGROUP: |
cdcaf41c | 494 | /* widget_data and extra_widget_data are GList */ |
50a14534 EB |
495 | if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data ) |
496 | { | |
cdcaf41c | 497 | rv = vik_radio_group_new ( param->widget_data ); |
50a14534 EB |
498 | if ( param->extra_widget_data ) /* map of alternate uint values for options */ |
499 | { | |
500 | int i; | |
cdcaf41c QT |
501 | int nb_elem = g_list_length(param->widget_data); |
502 | for ( i = 0; i < nb_elem; i++ ) | |
494eb388 | 503 | if ( (guint32)g_list_nth_data(param->extra_widget_data, i) == data.u ) |
50a14534 EB |
504 | { |
505 | vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), i ); | |
506 | break; | |
507 | } | |
508 | } | |
509 | else if ( data.u ) /* zero is already default */ | |
510 | vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), data.u ); | |
511 | } | |
512 | break; | |
8c721f83 EB |
513 | case VIK_LAYER_WIDGET_RADIOGROUP_STATIC: |
514 | if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data ) | |
515 | { | |
516 | rv = vik_radio_group_new_static ( (const gchar **) param->widget_data ); | |
517 | if ( param->extra_widget_data ) /* map of alternate uint values for options */ | |
518 | { | |
519 | int i; | |
520 | for ( i = 0; ((const char **)param->widget_data)[i]; i++ ) | |
521 | if ( ((guint *)param->extra_widget_data)[i] == data.u ) | |
522 | { | |
523 | vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), i ); | |
524 | break; | |
525 | } | |
526 | } | |
527 | else if ( data.u ) /* zero is already default */ | |
528 | vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), data.u ); | |
529 | } | |
530 | break; | |
50a14534 EB |
531 | case VIK_LAYER_WIDGET_SPINBUTTON: |
532 | if ( (param->type == VIK_LAYER_PARAM_DOUBLE || param->type == VIK_LAYER_PARAM_UINT | |
533 | || param->type == VIK_LAYER_PARAM_INT) && param->widget_data ) | |
534 | { | |
535 | gdouble init_val = (param->type == VIK_LAYER_PARAM_DOUBLE) ? data.d : (param->type == VIK_LAYER_PARAM_UINT ? data.u : data.i); | |
536 | VikLayerParamScale *scale = (VikLayerParamScale *) param->widget_data; | |
537 | rv = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( init_val, scale->min, scale->max, scale->step, scale->step, scale->step )), scale->step, scale->digits ); | |
538 | } | |
539 | break; | |
540 | case VIK_LAYER_WIDGET_ENTRY: | |
541 | if ( param->type == VIK_LAYER_PARAM_STRING ) | |
542 | { | |
543 | rv = gtk_entry_new (); | |
544 | gtk_entry_set_text ( GTK_ENTRY(rv), data.s ); | |
545 | } | |
546 | break; | |
547 | case VIK_LAYER_WIDGET_FILEENTRY: | |
548 | if ( param->type == VIK_LAYER_PARAM_STRING ) | |
549 | { | |
550 | rv = vik_file_entry_new (); | |
551 | vik_file_entry_set_filename ( VIK_FILE_ENTRY(rv), data.s ); | |
552 | } | |
553 | break; | |
ad0a8c2d EB |
554 | case VIK_LAYER_WIDGET_FILELIST: |
555 | if ( param->type == VIK_LAYER_PARAM_STRING_LIST ) | |
556 | { | |
557 | rv = vik_file_list_new ( param->title ); | |
558 | vik_file_list_set_files ( VIK_FILE_LIST(rv), data.sl ); | |
559 | } | |
560 | break; | |
50a14534 EB |
561 | case VIK_LAYER_WIDGET_HSCALE: |
562 | if ( (param->type == VIK_LAYER_PARAM_DOUBLE || param->type == VIK_LAYER_PARAM_UINT | |
563 | || param->type == VIK_LAYER_PARAM_INT) && param->widget_data ) | |
564 | { | |
565 | gdouble init_val = (param->type == VIK_LAYER_PARAM_DOUBLE) ? data.d : (param->type == VIK_LAYER_PARAM_UINT ? data.u : data.i); | |
566 | VikLayerParamScale *scale = (VikLayerParamScale *) param->widget_data; | |
567 | rv = gtk_hscale_new_with_range ( scale->min, scale->max, scale->step ); | |
568 | gtk_scale_set_digits ( GTK_SCALE(rv), scale->digits ); | |
569 | gtk_range_set_value ( GTK_RANGE(rv), init_val ); | |
570 | } | |
571 | } | |
572 | return rv; | |
573 | } | |
574 | ||
575 | static VikLayerParamData properties_widget_get_value ( GtkWidget *widget, VikLayerParam *param ) | |
576 | { | |
577 | VikLayerParamData rv; | |
578 | switch ( param->widget_type ) | |
579 | { | |
580 | case VIK_LAYER_WIDGET_COLOR: | |
581 | gtk_color_button_get_color ( GTK_COLOR_BUTTON(widget), &(rv.c) ); | |
582 | break; | |
583 | case VIK_LAYER_WIDGET_CHECKBUTTON: | |
584 | rv.b = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)); | |
585 | break; | |
586 | case VIK_LAYER_WIDGET_COMBOBOX: | |
ad0a8c2d | 587 | #ifndef GTK_2_2 |
50a14534 EB |
588 | rv.i = gtk_combo_box_get_active ( GTK_COMBO_BOX(widget) ); |
589 | if ( rv.i == -1 ) rv.i = 0; | |
590 | rv.u = rv.i; | |
591 | if ( param->extra_widget_data ) | |
592 | rv.u = ((guint *)param->extra_widget_data)[rv.u]; | |
593 | break; | |
ad0a8c2d | 594 | #endif |
50a14534 | 595 | case VIK_LAYER_WIDGET_RADIOGROUP: |
8c721f83 | 596 | case VIK_LAYER_WIDGET_RADIOGROUP_STATIC: |
50a14534 EB |
597 | rv.u = vik_radio_group_get_selected(VIK_RADIO_GROUP(widget)); |
598 | if ( param->extra_widget_data ) | |
e0b0b9c1 | 599 | rv.u = (guint32)g_list_nth_data(param->extra_widget_data, rv.u); |
50a14534 EB |
600 | break; |
601 | case VIK_LAYER_WIDGET_SPINBUTTON: | |
602 | if ( param->type == VIK_LAYER_PARAM_UINT ) | |
603 | rv.u = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widget) ); | |
604 | else if ( param->type == VIK_LAYER_PARAM_INT ) | |
605 | rv.i = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widget) ); | |
606 | else | |
607 | rv.d = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(widget) ); | |
608 | break; | |
609 | case VIK_LAYER_WIDGET_ENTRY: | |
610 | rv.s = gtk_entry_get_text ( GTK_ENTRY(widget) ); | |
611 | break; | |
612 | case VIK_LAYER_WIDGET_FILEENTRY: | |
613 | rv.s = vik_file_entry_get_filename ( VIK_FILE_ENTRY(widget) ); | |
614 | break; | |
ad0a8c2d EB |
615 | case VIK_LAYER_WIDGET_FILELIST: |
616 | rv.sl = vik_file_list_get_files ( VIK_FILE_LIST(widget) ); | |
617 | break; | |
50a14534 EB |
618 | case VIK_LAYER_WIDGET_HSCALE: |
619 | if ( param->type == VIK_LAYER_PARAM_UINT ) | |
620 | rv.u = (guint32) gtk_range_get_value ( GTK_RANGE(widget) ); | |
621 | else if ( param->type == VIK_LAYER_PARAM_INT ) | |
622 | rv.i = (gint32) gtk_range_get_value ( GTK_RANGE(widget) ); | |
623 | else | |
624 | rv.d = gtk_range_get_value ( GTK_RANGE(widget) ); | |
625 | break; | |
626 | } | |
627 | return rv; | |
628 | } | |
629 | ||
630 | /* false if cancel, true if OK */ | |
631 | /* some would claim this wasn't written to be human-readable. */ | |
94933cb8 | 632 | static gboolean layer_properties_factory ( VikLayer *vl, VikViewport *vp ) |
50a14534 EB |
633 | { |
634 | VikLayerParam *params = vik_layer_interfaces[vl->type]->params; | |
635 | guint16 params_count = vik_layer_interfaces[vl->type]->params_count; | |
636 | guint16 i, j, widget_count = 0; | |
637 | gboolean must_redraw = FALSE; | |
638 | ||
639 | if ( ! params ) | |
640 | return TRUE; /* no params == no options, so all is good */ | |
641 | ||
642 | for ( i = 0; i < params_count; i++ ) | |
643 | if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES ) | |
644 | widget_count++; | |
645 | ||
646 | if ( widget_count == 0) | |
647 | return FALSE; | |
648 | else | |
649 | { | |
650 | /* create widgets and titles; place in table */ | |
651 | GtkWidget *dialog = gtk_dialog_new_with_buttons ( "Layer Properties", | |
652 | VIK_GTK_WINDOW_FROM_WIDGET(vp), | |
653 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, | |
654 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, | |
655 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL ); | |
656 | gint resp; | |
657 | ||
658 | gchar **groups = vik_layer_interfaces[vl->type]->params_groups; | |
659 | guint8 groups_count = vik_layer_interfaces[vl->type]->params_groups_count; | |
660 | ||
661 | GtkWidget *table = NULL; | |
662 | GtkWidget **tables = NULL; /* for more than one group */ | |
663 | ||
664 | GtkWidget *notebook = NULL; | |
665 | GtkWidget **widgets = g_malloc ( sizeof(GtkWidget *) * widget_count ); | |
666 | ||
58a642b6 | 667 | if ( groups && groups_count > 1 ) |
50a14534 EB |
668 | { |
669 | guint8 current_group; | |
670 | guint16 tab_widget_count; | |
671 | notebook = gtk_notebook_new (); | |
672 | gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), notebook, FALSE, FALSE, 0); | |
673 | tables = g_malloc ( sizeof(GtkWidget *) * groups_count ); | |
674 | for ( current_group = 0; current_group < groups_count; current_group++ ) | |
675 | { | |
676 | tab_widget_count = 0; | |
677 | for ( j = 0; j < params_count; j ++ ) | |
678 | if ( params[j].group == current_group ) | |
679 | tab_widget_count++; | |
680 | ||
681 | if ( tab_widget_count ) | |
682 | { | |
683 | tables[current_group] = gtk_table_new ( tab_widget_count, 1, FALSE ); | |
684 | gtk_notebook_append_page ( GTK_NOTEBOOK(notebook), tables[current_group], gtk_label_new(groups[current_group]) ); | |
685 | } | |
686 | } | |
687 | } | |
688 | else | |
689 | { | |
690 | table = gtk_table_new( widget_count, 1, FALSE ); | |
691 | gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), table, FALSE, FALSE, 0); | |
692 | } | |
693 | ||
694 | for ( i = 0, j = 0; i < params_count; i++ ) | |
695 | { | |
696 | if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES ) | |
697 | { | |
698 | if ( tables ) | |
699 | table = tables[MAX(0, params[i].group)]; /* round up NOT_IN_GROUP, that's not reasonable here */ | |
700 | ||
701 | widgets[j] = properties_widget_new_widget ( &(params[i]), | |
702 | vik_layer_interfaces[vl->type]->get_param ( vl, i ) ); | |
703 | ||
704 | g_assert ( widgets[j] != NULL ); | |
705 | ||
706 | gtk_table_attach ( GTK_TABLE(table), gtk_label_new(params[i].title), 0, 1, j, j+1, 0, 0, 0, 0 ); | |
707 | gtk_table_attach ( GTK_TABLE(table), widgets[j], 1, 2, j, j+1, GTK_EXPAND | GTK_FILL, 0, 2, 2 ); | |
708 | j++; | |
709 | } | |
710 | } | |
711 | ||
712 | gtk_widget_show_all ( dialog ); | |
713 | ||
714 | resp = gtk_dialog_run (GTK_DIALOG (dialog)); | |
715 | if ( resp == GTK_RESPONSE_ACCEPT ) | |
716 | { | |
717 | for ( i = 0, j = 0; i < params_count; i++ ) | |
718 | { | |
719 | if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES ) | |
720 | { | |
721 | if ( vik_layer_interfaces[vl->type]->set_param ( vl, i, | |
722 | properties_widget_get_value ( widgets[j], &(params[i]) ), vp ) ) | |
723 | must_redraw = TRUE; | |
724 | j++; | |
725 | } | |
726 | } | |
07059501 | 727 | vik_layer_post_read ( vl, vp, FALSE ); /* update any gc's */ |
50a14534 EB |
728 | |
729 | gtk_widget_destroy ( dialog ); /* hide before redrawing. */ | |
730 | g_free ( widgets ); | |
731 | ||
c2e97e57 | 732 | #ifdef XXXXXXXXXXXXXXXXXXXX |
50a14534 EB |
733 | if ( must_redraw ) |
734 | vik_layer_emit_update ( vl ); /* if this is a new layer, it won't redraw twice because no on'es listening to this signal. */ | |
c2e97e57 | 735 | #endif /*XXXXXXXXXXXXXXXXXXXXX*/ |
50a14534 EB |
736 | return TRUE; /* user clicked OK */ |
737 | } | |
738 | ||
739 | if ( tables ) | |
740 | g_free ( tables ); | |
741 | gtk_widget_destroy ( dialog ); | |
742 | g_free ( widgets ); | |
743 | return FALSE; | |
744 | } | |
745 | } | |
bce3a7b0 EB |
746 | |
747 | static GdkCursor ***layers_cursors; | |
748 | ||
749 | GdkCursor *vik_layer_get_tool_cursor ( gint layer_id, gint tool_id ) | |
750 | { | |
751 | if ( layer_id >= VIK_LAYER_NUM_TYPES ) | |
752 | return NULL; | |
753 | if ( tool_id >= vik_layer_interfaces[layer_id]->tools_count ) | |
754 | return NULL; | |
755 | return layers_cursors[layer_id][tool_id]; | |
756 | } | |
757 | ||
758 | void vik_layer_cursors_init() | |
759 | { | |
760 | gint i, j; | |
761 | layers_cursors = g_malloc ( sizeof(GdkCursor **) * VIK_LAYER_NUM_TYPES ); | |
762 | for ( i = 0 ; i < VIK_LAYER_NUM_TYPES; i++ ) { | |
763 | if ( vik_layer_interfaces[i]->tools_count ) { | |
764 | layers_cursors[i] = g_malloc ( sizeof(GdkCursor *) * vik_layer_interfaces[i]->tools_count ); | |
765 | for ( j = 0; j < vik_layer_interfaces[i]->tools_count; j++ ) { | |
766 | if ( vik_layer_interfaces[i]->tools[j].cursor ) { | |
767 | const GdkPixdata *cursor_pixdata = vik_layer_interfaces[i]->tools[j].cursor; | |
768 | GError *cursor_load_err = NULL; | |
769 | GdkPixbuf *cursor_pixbuf = gdk_pixbuf_from_pixdata (cursor_pixdata, FALSE, &cursor_load_err); | |
770 | /* TODO: settable offeset */ | |
771 | GdkCursor *cursor = gdk_cursor_new_from_pixbuf ( gdk_display_get_default(), cursor_pixbuf, 3, 3 ); | |
772 | layers_cursors[i][j] = cursor; | |
773 | ||
774 | g_object_unref ( G_OBJECT(cursor_pixbuf) ); | |
775 | } | |
776 | else | |
777 | layers_cursors[i][j] = NULL; | |
778 | } | |
779 | } else | |
780 | layers_cursors[i] = NULL; | |
781 | } | |
782 | } | |
783 | ||
784 | void vik_layer_cursors_uninit() | |
785 | { | |
786 | gint i, j; | |
787 | for ( i = 0 ; i < VIK_LAYER_NUM_TYPES; i++ ) { | |
788 | if ( vik_layer_interfaces[i]->tools_count ) { | |
789 | for ( j = 0; j < vik_layer_interfaces[i]->tools_count; j++ ) { | |
790 | if ( layers_cursors[i][j] ) | |
791 | gdk_cursor_unref ( layers_cursors[i][j] ); | |
792 | } | |
793 | g_free ( layers_cursors[i] ); | |
794 | } | |
795 | } | |
796 | g_free ( layers_cursors ); | |
797 | } |