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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" | |
911400b5 | 24 | #include <string.h> |
50a14534 EB |
25 | |
26 | /* functions common to all layers. */ | |
27 | /* TODO longone: rename interface free -> finalize */ | |
28 | ||
29 | extern VikLayerInterface vik_aggregate_layer_interface; | |
30 | extern VikLayerInterface vik_trw_layer_interface; | |
31 | extern VikLayerInterface vik_maps_layer_interface; | |
32 | extern VikLayerInterface vik_coord_layer_interface; | |
33 | extern VikLayerInterface vik_georef_layer_interface; | |
b364d6bc | 34 | extern VikLayerInterface vik_gps_layer_interface; |
50a14534 EB |
35 | |
36 | enum { | |
37 | VL_UPDATE_SIGNAL, | |
38 | VL_LAST_SIGNAL | |
39 | }; | |
40 | static guint layer_signals[VL_LAST_SIGNAL] = { 0 }; | |
41 | ||
42 | static GObjectClass *parent_class; | |
43 | ||
44 | static void layer_class_init ( VikLayerClass *klass ); | |
45 | static void layer_init ( VikLayer *vl ); | |
46 | static void layer_finalize ( VikLayer *vl ); | |
47 | static gboolean layer_properties_factory ( VikLayer *vl, gpointer vp ); | |
48 | ||
49 | ||
50 | /* TODO longone: rename vik_layer_init -> set_type */ | |
51 | ||
52 | GType vik_layer_get_type () | |
53 | { | |
54 | static GType vl_type = 0; | |
55 | ||
56 | if (!vl_type) | |
57 | { | |
58 | static const GTypeInfo vl_info = | |
59 | { | |
60 | sizeof (VikLayerClass), | |
61 | NULL, /* base_init */ | |
62 | NULL, /* base_finalize */ | |
63 | (GClassInitFunc) layer_class_init, /* class init */ | |
64 | NULL, /* class_finalize */ | |
65 | NULL, /* class_data */ | |
66 | sizeof (VikLayer), | |
67 | 0, | |
68 | (GInstanceInitFunc) layer_init /* instance init */ | |
69 | }; | |
70 | vl_type = g_type_register_static ( G_TYPE_OBJECT, "VikLayer", &vl_info, 0 ); | |
71 | } | |
72 | ||
73 | return vl_type; | |
74 | } | |
75 | ||
76 | static void layer_class_init (VikLayerClass *klass) | |
77 | { | |
78 | GObjectClass *object_class; | |
79 | ||
80 | object_class = G_OBJECT_CLASS (klass); | |
81 | ||
82 | object_class->finalize = (GObjectFinalizeFunc) layer_finalize; | |
83 | ||
84 | parent_class = g_type_class_peek_parent (klass); | |
85 | ||
86 | layer_signals[VL_UPDATE_SIGNAL] = g_signal_new ( "update", G_TYPE_FROM_CLASS (klass), | |
87 | G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (VikLayerClass, update), NULL, NULL, | |
88 | g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); | |
89 | } | |
90 | ||
91 | void vik_layer_emit_update ( VikLayer *vl ) | |
92 | { | |
93 | if ( vl->visible ) | |
94 | g_signal_emit ( G_OBJECT(vl), layer_signals[VL_UPDATE_SIGNAL], 0 ); | |
95 | } | |
96 | ||
97 | static VikLayerInterface *vik_layer_interfaces[VIK_LAYER_NUM_TYPES] = { | |
98 | &vik_aggregate_layer_interface, | |
99 | &vik_trw_layer_interface, | |
100 | &vik_coord_layer_interface, | |
101 | &vik_georef_layer_interface, | |
b364d6bc | 102 | &vik_gps_layer_interface, |
50a14534 EB |
103 | &vik_maps_layer_interface, |
104 | }; | |
105 | ||
106 | VikLayerInterface *vik_layer_get_interface ( gint type ) | |
107 | { | |
108 | g_assert ( type < VIK_LAYER_NUM_TYPES ); | |
109 | return vik_layer_interfaces[type]; | |
110 | } | |
111 | ||
112 | static void layer_init ( VikLayer *vl ) | |
113 | { | |
114 | vl->visible = TRUE; | |
115 | vl->name = NULL; | |
116 | vl->realized = FALSE; | |
117 | } | |
118 | ||
119 | void vik_layer_init ( VikLayer *vl, gint type ) | |
120 | { | |
121 | vl->type = type; | |
122 | } | |
123 | ||
124 | /* frees old name */ | |
125 | void vik_layer_rename ( VikLayer *l, const gchar *new_name ) | |
126 | { | |
127 | g_assert ( l != NULL); | |
128 | if ( l->name ) | |
129 | g_free ( l->name ); | |
130 | l->name = g_strdup ( new_name ); | |
131 | } | |
132 | ||
133 | void vik_layer_rename_no_copy ( VikLayer *l, gchar *new_name ) | |
134 | { | |
135 | g_assert ( l != NULL); | |
136 | if ( l->name ) | |
137 | g_free ( l->name ); | |
138 | l->name = new_name; | |
139 | } | |
140 | ||
141 | VikLayer *vik_layer_create ( gint type, gpointer vp, GtkWindow *w, gboolean interactive ) | |
142 | { | |
143 | VikLayer *new_layer = NULL; | |
144 | g_assert ( type < VIK_LAYER_NUM_TYPES ); | |
145 | ||
146 | new_layer = vik_layer_interfaces[type]->create ( vp ); | |
147 | ||
148 | g_assert ( new_layer != NULL ); | |
149 | ||
150 | if ( interactive ) | |
151 | { | |
152 | if ( vik_layer_properties ( new_layer, vp ) ) | |
153 | vik_layer_rename ( VIK_LAYER(new_layer), vik_layer_interfaces[type]->name ); | |
154 | else | |
155 | { | |
156 | g_object_unref ( G_OBJECT(new_layer) ); /* cancel that */ | |
157 | new_layer = NULL; | |
158 | } | |
159 | } | |
160 | return new_layer; | |
161 | } | |
162 | ||
163 | /* returns TRUE if OK was pressed */ | |
164 | gboolean vik_layer_properties ( VikLayer *layer, gpointer vp ) | |
165 | { | |
166 | if ( vik_layer_interfaces[layer->type]->properties ) | |
167 | return vik_layer_interfaces[layer->type]->properties ( layer, vp ); | |
168 | return layer_properties_factory ( layer, vp ); | |
169 | } | |
170 | ||
171 | void vik_layer_draw ( VikLayer *l, gpointer data ) | |
172 | { | |
173 | if ( l->visible ) | |
174 | if ( vik_layer_interfaces[l->type]->draw ) | |
175 | vik_layer_interfaces[l->type]->draw ( l, data ); | |
176 | } | |
177 | ||
178 | void vik_layer_change_coord_mode ( VikLayer *l, VikCoordMode mode ) | |
179 | { | |
180 | if ( vik_layer_interfaces[l->type]->change_coord_mode ) | |
181 | vik_layer_interfaces[l->type]->change_coord_mode ( l, mode ); | |
182 | } | |
183 | ||
184 | VikLayer *vik_layer_copy ( VikLayer *vl, gpointer vp ) | |
185 | { | |
186 | if ( vik_layer_interfaces[vl->type]->copy ) | |
187 | { | |
188 | VikLayer *rv = vik_layer_interfaces[vl->type]->copy ( vl, vp ); | |
189 | if ( rv ) | |
190 | { | |
191 | vik_layer_rename ( rv, vl->name ); | |
192 | rv->visible = vl->visible; | |
193 | } | |
194 | return rv; | |
195 | } | |
196 | else | |
197 | return NULL; | |
198 | } | |
199 | ||
911400b5 AF |
200 | typedef struct { |
201 | gint layer_type; | |
202 | gint len; | |
203 | guint8 data[0]; | |
204 | } header_t; | |
205 | ||
206 | void vik_layer_marshall ( VikLayer *vl, guint8 **data, gint *len ) | |
207 | { | |
208 | header_t *header; | |
209 | if ( vl && vik_layer_interfaces[vl->type]->marshall ) { | |
210 | vik_layer_interfaces[vl->type]->marshall ( vl, data, len ); | |
211 | if (*data) { | |
212 | header = g_malloc(*len + sizeof(*header)); | |
213 | header->layer_type = vl->type; | |
214 | header->len = *len; | |
215 | memcpy(header->data, *data, *len); | |
216 | g_free(*data); | |
217 | *data = (guint8 *)header; | |
218 | *len = *len + sizeof(*header); | |
219 | } | |
220 | } else { | |
221 | *data = NULL; | |
222 | } | |
223 | } | |
224 | ||
225 | void vik_layer_marshall_params ( VikLayer *vl, guint8 **data, gint *datalen ) | |
226 | { | |
227 | VikLayerParam *params = vik_layer_get_interface(vl->type)->params; | |
228 | VikLayerFuncGetParam get_param = vik_layer_get_interface(vl->type)->get_param; | |
229 | GByteArray* b = g_byte_array_new (); | |
230 | gint len; | |
231 | ||
232 | #define vlm_append(obj, sz) \ | |
233 | len = (sz); \ | |
234 | g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \ | |
235 | g_byte_array_append ( b, (guint8 *)(obj), len ); | |
236 | ||
237 | vlm_append(vl->name, strlen(vl->name)); | |
238 | ||
239 | if ( params && get_param ) | |
240 | { | |
241 | VikLayerParamData d; | |
242 | guint16 i, params_count = vik_layer_get_interface(vl->type)->params_count; | |
243 | for ( i = 0; i < params_count; i++ ) | |
244 | { | |
245 | d = get_param(vl, i); | |
246 | switch ( params[i].type ) | |
247 | { | |
248 | case VIK_LAYER_PARAM_STRING: | |
249 | vlm_append(d.s, strlen(d.s)); | |
250 | break; | |
251 | default: | |
252 | vlm_append(&d, sizeof(d)); | |
253 | break; | |
254 | } | |
255 | } | |
256 | } | |
257 | ||
258 | *data = b->data; | |
259 | *datalen = b->len; | |
260 | g_byte_array_free ( b, FALSE ); | |
261 | ||
262 | #undef vlm_append | |
263 | } | |
264 | ||
265 | void vik_layer_unmarshall_params ( VikLayer *vl, guint8 *data, gint datalen, VikViewport *vvp ) | |
266 | { | |
267 | VikLayerParam *params = vik_layer_get_interface(vl->type)->params; | |
268 | VikLayerFuncSetParam set_param = vik_layer_get_interface(vl->type)->set_param; | |
269 | gchar *s; | |
270 | guint8 *b = (guint8 *)data; | |
271 | ||
272 | #define vlm_size (*(gint *)b) | |
273 | #define vlm_read(obj) \ | |
274 | memcpy((obj), b+sizeof(gint), vlm_size); \ | |
275 | b += sizeof(gint) + vlm_size; | |
276 | ||
277 | s = g_malloc(vlm_size + 1); | |
278 | s[vlm_size]=0; | |
279 | vlm_read(s); | |
280 | ||
281 | vik_layer_rename(vl, s); | |
282 | ||
283 | g_free(s); | |
284 | ||
285 | if ( params && set_param ) | |
286 | { | |
287 | VikLayerParamData d; | |
288 | guint16 i, params_count = vik_layer_get_interface(vl->type)->params_count; | |
289 | for ( i = 0; i < params_count; i++ ) | |
290 | { | |
291 | switch ( params[i].type ) | |
292 | { | |
293 | case VIK_LAYER_PARAM_STRING: | |
294 | s = g_malloc(vlm_size + 1); | |
295 | s[vlm_size]=0; | |
296 | vlm_read(s); | |
297 | d.s = s; | |
298 | set_param(vl, i, d, vvp); | |
299 | g_free(s); | |
300 | break; | |
301 | default: | |
302 | vlm_read(&d); | |
303 | set_param(vl, i, d, vvp); | |
304 | break; | |
305 | } | |
306 | } | |
307 | } | |
308 | } | |
309 | ||
310 | VikLayer *vik_layer_unmarshall ( guint8 *data, gint len, VikViewport *vvp ) | |
311 | { | |
312 | header_t *header; | |
313 | ||
314 | header = (header_t *)data; | |
315 | ||
316 | if ( vik_layer_interfaces[header->layer_type]->unmarshall ) { | |
317 | return vik_layer_interfaces[header->layer_type]->unmarshall ( header->data, header->len, vvp ); | |
318 | } else { | |
319 | return NULL; | |
320 | } | |
321 | } | |
50a14534 EB |
322 | |
323 | static void layer_finalize ( VikLayer *vl ) | |
324 | { | |
325 | g_assert ( vl != NULL ); | |
326 | if ( vik_layer_interfaces[vl->type]->free ) | |
327 | vik_layer_interfaces[vl->type]->free ( vl ); | |
328 | if ( vl->name ) | |
329 | g_free ( vl->name ); | |
330 | G_OBJECT_CLASS(parent_class)->finalize(G_OBJECT(vl)); | |
331 | } | |
332 | ||
333 | /* sublayer switching */ | |
334 | gboolean vik_layer_sublayer_toggle_visible ( VikLayer *l, gint subtype, gpointer sublayer ) | |
335 | { | |
336 | if ( vik_layer_interfaces[l->type]->sublayer_toggle_visible ) | |
337 | return vik_layer_interfaces[l->type]->sublayer_toggle_visible ( l, subtype, sublayer ); | |
338 | return TRUE; /* if unknown, will always be visible */ | |
339 | } | |
340 | ||
341 | void vik_layer_realize ( VikLayer *l, VikTreeview *vt, GtkTreeIter *layer_iter ) | |
342 | { | |
343 | l->vt = vt; | |
344 | l->iter = *layer_iter; | |
345 | l->realized = TRUE; | |
346 | if ( vik_layer_interfaces[l->type]->realize ) | |
347 | vik_layer_interfaces[l->type]->realize ( l, vt, layer_iter ); | |
348 | } | |
349 | ||
20c7a3a0 QT |
350 | void vik_layer_set_menu_items_selection(VikLayer *l, guint16 selection) |
351 | { | |
352 | if ( vik_layer_interfaces[l->type]->set_menu_selection ) | |
353 | vik_layer_interfaces[l->type]->set_menu_selection ( l, selection ); | |
354 | } | |
355 | ||
356 | guint16 vik_layer_get_menu_items_selection(VikLayer *l) | |
357 | { | |
358 | if ( vik_layer_interfaces[l->type]->get_menu_selection ) | |
359 | return(vik_layer_interfaces[l->type]->get_menu_selection (l)); | |
360 | else | |
361 | return(vik_layer_interfaces[l->type]->menu_items_selection); | |
362 | } | |
363 | ||
50a14534 EB |
364 | void vik_layer_add_menu_items ( VikLayer *l, GtkMenu *menu, gpointer vlp ) |
365 | { | |
366 | if ( vik_layer_interfaces[l->type]->add_menu_items ) | |
367 | vik_layer_interfaces[l->type]->add_menu_items ( l, menu, vlp ); | |
368 | } | |
369 | ||
370 | gboolean vik_layer_sublayer_add_menu_items ( VikLayer *l, GtkMenu *menu, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter ) | |
371 | { | |
372 | if ( vik_layer_interfaces[l->type]->sublayer_add_menu_items ) | |
373 | return vik_layer_interfaces[l->type]->sublayer_add_menu_items ( l, menu, vlp, subtype, sublayer, iter ); | |
374 | return FALSE; | |
375 | } | |
376 | ||
377 | ||
378 | const gchar *vik_layer_sublayer_rename_request ( VikLayer *l, const gchar *newname, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter ) | |
379 | { | |
380 | if ( vik_layer_interfaces[l->type]->sublayer_rename_request ) | |
381 | return vik_layer_interfaces[l->type]->sublayer_rename_request ( l, newname, vlp, subtype, sublayer, iter ); | |
382 | return NULL; | |
383 | } | |
384 | ||
385 | GdkPixbuf *vik_layer_load_icon ( gint type ) | |
386 | { | |
387 | g_assert ( type < VIK_LAYER_NUM_TYPES ); | |
388 | if ( vik_layer_interfaces[type]->icon ) | |
389 | return gdk_pixbuf_from_pixdata ( vik_layer_interfaces[type]->icon, FALSE, NULL ); | |
390 | return NULL; | |
391 | } | |
392 | ||
393 | gboolean vik_layer_set_param ( VikLayer *layer, guint16 id, VikLayerParamData data, gpointer vp ) | |
394 | { | |
395 | if ( vik_layer_interfaces[layer->type]->set_param ) | |
396 | return vik_layer_interfaces[layer->type]->set_param ( layer, id, data, vp ); | |
397 | return FALSE; | |
398 | } | |
399 | ||
400 | void vik_layer_post_read ( VikLayer *layer, gpointer vp ) | |
401 | { | |
402 | if ( vik_layer_interfaces[layer->type]->post_read ) | |
403 | vik_layer_interfaces[layer->type]->post_read ( layer, vp ); | |
404 | } | |
405 | ||
406 | static GtkWidget *properties_widget_new_widget ( VikLayerParam *param, VikLayerParamData data ) | |
407 | { | |
cdcaf41c | 408 | GtkWidget *rv = NULL; |
50a14534 EB |
409 | switch ( param->widget_type ) |
410 | { | |
411 | case VIK_LAYER_WIDGET_COLOR: | |
412 | if ( param->type == VIK_LAYER_PARAM_COLOR ) | |
413 | rv = gtk_color_button_new_with_color ( &(data.c) ); | |
414 | break; | |
415 | case VIK_LAYER_WIDGET_CHECKBUTTON: | |
416 | if ( param->type == VIK_LAYER_PARAM_BOOLEAN ) | |
417 | { | |
418 | //rv = gtk_check_button_new_with_label ( //param->title ); | |
419 | rv = gtk_check_button_new (); | |
420 | if ( data.b ) | |
421 | gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON(rv), TRUE ); | |
422 | } | |
423 | break; | |
424 | case VIK_LAYER_WIDGET_COMBOBOX: | |
50a14534 EB |
425 | if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data ) |
426 | { | |
427 | gchar **pstr = param->widget_data; | |
428 | rv = gtk_combo_box_new_text (); | |
429 | while ( *pstr ) | |
430 | gtk_combo_box_append_text ( GTK_COMBO_BOX ( rv ), *(pstr++) ); | |
431 | if ( param->extra_widget_data ) /* map of alternate uint values for options */ | |
432 | { | |
433 | int i; | |
434 | for ( i = 0; ((const char **)param->widget_data)[i]; i++ ) | |
435 | if ( ((guint *)param->extra_widget_data)[i] == data.u ) | |
436 | { | |
437 | gtk_combo_box_set_active ( GTK_COMBO_BOX(rv), i ); | |
438 | break; | |
439 | } | |
440 | } | |
441 | gtk_combo_box_set_active ( GTK_COMBO_BOX ( rv ), data.u ); | |
442 | } | |
443 | break; | |
50a14534 | 444 | case VIK_LAYER_WIDGET_RADIOGROUP: |
cdcaf41c | 445 | /* widget_data and extra_widget_data are GList */ |
50a14534 EB |
446 | if ( param->type == VIK_LAYER_PARAM_UINT && param->widget_data ) |
447 | { | |
cdcaf41c | 448 | rv = vik_radio_group_new ( param->widget_data ); |
50a14534 EB |
449 | if ( param->extra_widget_data ) /* map of alternate uint values for options */ |
450 | { | |
451 | int i; | |
cdcaf41c QT |
452 | int nb_elem = g_list_length(param->widget_data); |
453 | for ( i = 0; i < nb_elem; i++ ) | |
267b6db5 | 454 | if ( g_list_nth_data(param->extra_widget_data, i) == data.u ) |
50a14534 EB |
455 | { |
456 | vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), i ); | |
457 | break; | |
458 | } | |
459 | } | |
460 | else if ( data.u ) /* zero is already default */ | |
461 | vik_radio_group_set_selected ( VIK_RADIO_GROUP(rv), data.u ); | |
462 | } | |
463 | break; | |
464 | case VIK_LAYER_WIDGET_SPINBUTTON: | |
465 | if ( (param->type == VIK_LAYER_PARAM_DOUBLE || param->type == VIK_LAYER_PARAM_UINT | |
466 | || param->type == VIK_LAYER_PARAM_INT) && param->widget_data ) | |
467 | { | |
468 | gdouble init_val = (param->type == VIK_LAYER_PARAM_DOUBLE) ? data.d : (param->type == VIK_LAYER_PARAM_UINT ? data.u : data.i); | |
469 | VikLayerParamScale *scale = (VikLayerParamScale *) param->widget_data; | |
470 | 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 ); | |
471 | } | |
472 | break; | |
473 | case VIK_LAYER_WIDGET_ENTRY: | |
474 | if ( param->type == VIK_LAYER_PARAM_STRING ) | |
475 | { | |
476 | rv = gtk_entry_new (); | |
477 | gtk_entry_set_text ( GTK_ENTRY(rv), data.s ); | |
478 | } | |
479 | break; | |
480 | case VIK_LAYER_WIDGET_FILEENTRY: | |
481 | if ( param->type == VIK_LAYER_PARAM_STRING ) | |
482 | { | |
483 | rv = vik_file_entry_new (); | |
484 | vik_file_entry_set_filename ( VIK_FILE_ENTRY(rv), data.s ); | |
485 | } | |
486 | break; | |
487 | case VIK_LAYER_WIDGET_HSCALE: | |
488 | if ( (param->type == VIK_LAYER_PARAM_DOUBLE || param->type == VIK_LAYER_PARAM_UINT | |
489 | || param->type == VIK_LAYER_PARAM_INT) && param->widget_data ) | |
490 | { | |
491 | gdouble init_val = (param->type == VIK_LAYER_PARAM_DOUBLE) ? data.d : (param->type == VIK_LAYER_PARAM_UINT ? data.u : data.i); | |
492 | VikLayerParamScale *scale = (VikLayerParamScale *) param->widget_data; | |
493 | rv = gtk_hscale_new_with_range ( scale->min, scale->max, scale->step ); | |
494 | gtk_scale_set_digits ( GTK_SCALE(rv), scale->digits ); | |
495 | gtk_range_set_value ( GTK_RANGE(rv), init_val ); | |
496 | } | |
497 | } | |
498 | return rv; | |
499 | } | |
500 | ||
501 | static VikLayerParamData properties_widget_get_value ( GtkWidget *widget, VikLayerParam *param ) | |
502 | { | |
503 | VikLayerParamData rv; | |
504 | switch ( param->widget_type ) | |
505 | { | |
506 | case VIK_LAYER_WIDGET_COLOR: | |
507 | gtk_color_button_get_color ( GTK_COLOR_BUTTON(widget), &(rv.c) ); | |
508 | break; | |
509 | case VIK_LAYER_WIDGET_CHECKBUTTON: | |
510 | rv.b = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)); | |
511 | break; | |
512 | case VIK_LAYER_WIDGET_COMBOBOX: | |
50a14534 EB |
513 | rv.i = gtk_combo_box_get_active ( GTK_COMBO_BOX(widget) ); |
514 | if ( rv.i == -1 ) rv.i = 0; | |
515 | rv.u = rv.i; | |
516 | if ( param->extra_widget_data ) | |
517 | rv.u = ((guint *)param->extra_widget_data)[rv.u]; | |
518 | break; | |
50a14534 EB |
519 | case VIK_LAYER_WIDGET_RADIOGROUP: |
520 | rv.u = vik_radio_group_get_selected(VIK_RADIO_GROUP(widget)); | |
521 | if ( param->extra_widget_data ) | |
e0b0b9c1 | 522 | rv.u = (guint32)g_list_nth_data(param->extra_widget_data, rv.u); |
50a14534 EB |
523 | break; |
524 | case VIK_LAYER_WIDGET_SPINBUTTON: | |
525 | if ( param->type == VIK_LAYER_PARAM_UINT ) | |
526 | rv.u = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widget) ); | |
527 | else if ( param->type == VIK_LAYER_PARAM_INT ) | |
528 | rv.i = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widget) ); | |
529 | else | |
530 | rv.d = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(widget) ); | |
531 | break; | |
532 | case VIK_LAYER_WIDGET_ENTRY: | |
533 | rv.s = gtk_entry_get_text ( GTK_ENTRY(widget) ); | |
534 | break; | |
535 | case VIK_LAYER_WIDGET_FILEENTRY: | |
536 | rv.s = vik_file_entry_get_filename ( VIK_FILE_ENTRY(widget) ); | |
537 | break; | |
538 | case VIK_LAYER_WIDGET_HSCALE: | |
539 | if ( param->type == VIK_LAYER_PARAM_UINT ) | |
540 | rv.u = (guint32) gtk_range_get_value ( GTK_RANGE(widget) ); | |
541 | else if ( param->type == VIK_LAYER_PARAM_INT ) | |
542 | rv.i = (gint32) gtk_range_get_value ( GTK_RANGE(widget) ); | |
543 | else | |
544 | rv.d = gtk_range_get_value ( GTK_RANGE(widget) ); | |
545 | break; | |
546 | } | |
547 | return rv; | |
548 | } | |
549 | ||
550 | /* false if cancel, true if OK */ | |
551 | /* some would claim this wasn't written to be human-readable. */ | |
552 | static gboolean layer_properties_factory ( VikLayer *vl, gpointer vp ) | |
553 | { | |
554 | VikLayerParam *params = vik_layer_interfaces[vl->type]->params; | |
555 | guint16 params_count = vik_layer_interfaces[vl->type]->params_count; | |
556 | guint16 i, j, widget_count = 0; | |
557 | gboolean must_redraw = FALSE; | |
558 | ||
559 | if ( ! params ) | |
560 | return TRUE; /* no params == no options, so all is good */ | |
561 | ||
562 | for ( i = 0; i < params_count; i++ ) | |
563 | if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES ) | |
564 | widget_count++; | |
565 | ||
566 | if ( widget_count == 0) | |
567 | return FALSE; | |
568 | else | |
569 | { | |
570 | /* create widgets and titles; place in table */ | |
571 | GtkWidget *dialog = gtk_dialog_new_with_buttons ( "Layer Properties", | |
572 | VIK_GTK_WINDOW_FROM_WIDGET(vp), | |
573 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, | |
574 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, | |
575 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL ); | |
576 | gint resp; | |
577 | ||
578 | gchar **groups = vik_layer_interfaces[vl->type]->params_groups; | |
579 | guint8 groups_count = vik_layer_interfaces[vl->type]->params_groups_count; | |
580 | ||
581 | GtkWidget *table = NULL; | |
582 | GtkWidget **tables = NULL; /* for more than one group */ | |
583 | ||
584 | GtkWidget *notebook = NULL; | |
585 | GtkWidget **widgets = g_malloc ( sizeof(GtkWidget *) * widget_count ); | |
586 | ||
587 | if ( groups && groups_count ) | |
588 | { | |
589 | guint8 current_group; | |
590 | guint16 tab_widget_count; | |
591 | notebook = gtk_notebook_new (); | |
592 | gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), notebook, FALSE, FALSE, 0); | |
593 | tables = g_malloc ( sizeof(GtkWidget *) * groups_count ); | |
594 | for ( current_group = 0; current_group < groups_count; current_group++ ) | |
595 | { | |
596 | tab_widget_count = 0; | |
597 | for ( j = 0; j < params_count; j ++ ) | |
598 | if ( params[j].group == current_group ) | |
599 | tab_widget_count++; | |
600 | ||
601 | if ( tab_widget_count ) | |
602 | { | |
603 | tables[current_group] = gtk_table_new ( tab_widget_count, 1, FALSE ); | |
604 | gtk_notebook_append_page ( GTK_NOTEBOOK(notebook), tables[current_group], gtk_label_new(groups[current_group]) ); | |
605 | } | |
606 | } | |
607 | } | |
608 | else | |
609 | { | |
610 | table = gtk_table_new( widget_count, 1, FALSE ); | |
611 | gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), table, FALSE, FALSE, 0); | |
612 | } | |
613 | ||
614 | for ( i = 0, j = 0; i < params_count; i++ ) | |
615 | { | |
616 | if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES ) | |
617 | { | |
618 | if ( tables ) | |
619 | table = tables[MAX(0, params[i].group)]; /* round up NOT_IN_GROUP, that's not reasonable here */ | |
620 | ||
621 | widgets[j] = properties_widget_new_widget ( &(params[i]), | |
622 | vik_layer_interfaces[vl->type]->get_param ( vl, i ) ); | |
623 | ||
624 | g_assert ( widgets[j] != NULL ); | |
625 | ||
626 | gtk_table_attach ( GTK_TABLE(table), gtk_label_new(params[i].title), 0, 1, j, j+1, 0, 0, 0, 0 ); | |
627 | gtk_table_attach ( GTK_TABLE(table), widgets[j], 1, 2, j, j+1, GTK_EXPAND | GTK_FILL, 0, 2, 2 ); | |
628 | j++; | |
629 | } | |
630 | } | |
631 | ||
632 | gtk_widget_show_all ( dialog ); | |
633 | ||
634 | resp = gtk_dialog_run (GTK_DIALOG (dialog)); | |
635 | if ( resp == GTK_RESPONSE_ACCEPT ) | |
636 | { | |
637 | for ( i = 0, j = 0; i < params_count; i++ ) | |
638 | { | |
639 | if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES ) | |
640 | { | |
641 | if ( vik_layer_interfaces[vl->type]->set_param ( vl, i, | |
642 | properties_widget_get_value ( widgets[j], &(params[i]) ), vp ) ) | |
643 | must_redraw = TRUE; | |
644 | j++; | |
645 | } | |
646 | } | |
647 | vik_layer_post_read ( vl, vp ); /* update any gc's */ | |
648 | ||
649 | gtk_widget_destroy ( dialog ); /* hide before redrawing. */ | |
650 | g_free ( widgets ); | |
651 | ||
652 | if ( must_redraw ) | |
653 | vik_layer_emit_update ( vl ); /* if this is a new layer, it won't redraw twice because no on'es listening to this signal. */ | |
654 | return TRUE; /* user clicked OK */ | |
655 | } | |
656 | ||
657 | if ( tables ) | |
658 | g_free ( tables ); | |
659 | gtk_widget_destroy ( dialog ); | |
660 | g_free ( widgets ); | |
661 | return FALSE; | |
662 | } | |
663 | } |