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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 | ||
24 | #include <string.h> | |
25 | ||
26 | enum { | |
27 | VLP_UPDATE_SIGNAL, | |
28 | VLP_LAST_SIGNAL | |
29 | }; | |
30 | ||
31 | static void layers_panel_class_init ( VikLayersPanelClass *klass ); | |
32 | static void layers_panel_init ( VikLayersPanel *vlp ); | |
33 | static void layers_item_edited (VikLayersPanel *vlp, GtkTreeIter *iter, const gchar *new_text); | |
34 | static void layers_item_toggled (VikLayersPanel *vlp, GtkTreeIter *iter); | |
35 | ||
36 | static guint layers_panel_signals[VLP_LAST_SIGNAL] = { 0 }; | |
37 | ||
38 | static GObjectClass *parent_class; | |
39 | ||
40 | struct _VikLayersPanel { | |
41 | GtkVBox vbox; | |
42 | ||
43 | VikAggregateLayer *toplayer; | |
44 | GtkTreeIter toplayer_iter; | |
45 | ||
46 | VikTreeview *vt; | |
47 | VikViewport *vvp; /* reference */ | |
48 | ||
49 | GtkItemFactory *popup_factory; | |
50 | }; | |
51 | ||
52 | static GtkItemFactoryEntry base_entries[] = { | |
53 | { "/_Delete", NULL, (GtkItemFactoryCallback) vik_layers_panel_delete_selected, -1, "<StockItem>", GTK_STOCK_DELETE }, | |
54 | { "/New Layer", NULL, NULL, -1, "<Branch>" }, | |
55 | }; | |
56 | ||
57 | #define NUM_BASE_ENTRIES 2 | |
58 | ||
59 | static void layers_item_toggled (VikLayersPanel *vlp, GtkTreeIter *iter); | |
60 | static void layers_item_edited (VikLayersPanel *vlp, GtkTreeIter *iter, const gchar *new_text); | |
61 | static void layers_popup_cb (VikLayersPanel *vlp); | |
62 | static void layers_popup ( VikLayersPanel *vlp, GtkTreeIter *iter, gint mouse_button ); | |
63 | static gboolean layers_button_press_cb (VikLayersPanel *vlp, GdkEventButton *event); | |
64 | static void layers_move_item ( VikLayersPanel *vlp, gboolean up ); | |
65 | static void layers_move_item_up ( VikLayersPanel *vlp ); | |
66 | static void layers_move_item_down ( VikLayersPanel *vlp ); | |
67 | static void layers_panel_finalize ( GObject *gob ); | |
68 | ||
69 | GType vik_layers_panel_get_type() | |
70 | { | |
71 | static GType vlp_type = 0; | |
72 | ||
73 | if (!vlp_type) | |
74 | { | |
75 | static const GTypeInfo vlp_info = | |
76 | { | |
77 | sizeof (VikLayersPanelClass), | |
78 | NULL, /* base_init */ | |
79 | NULL, /* base_finalize */ | |
80 | (GClassInitFunc) layers_panel_class_init, | |
81 | NULL, /* class_finalize */ | |
82 | NULL, /* class_data */ | |
83 | sizeof (VikLayersPanel), | |
84 | 0, | |
85 | (GInstanceInitFunc) layers_panel_init, | |
86 | }; | |
87 | vlp_type = g_type_register_static ( GTK_TYPE_VBOX, "VikLayersPanel", &vlp_info, 0 ); | |
88 | } | |
89 | ||
90 | return vlp_type; | |
91 | } | |
92 | ||
93 | static void layers_panel_class_init ( VikLayersPanelClass *klass ) | |
94 | { | |
95 | GObjectClass *object_class; | |
96 | ||
97 | object_class = G_OBJECT_CLASS (klass); | |
98 | ||
99 | object_class->finalize = layers_panel_finalize; | |
100 | ||
101 | parent_class = g_type_class_peek_parent (klass); | |
102 | ||
103 | layers_panel_signals[VLP_UPDATE_SIGNAL] = g_signal_new ( "update", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (VikLayersPanelClass, update), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); | |
104 | } | |
105 | ||
106 | VikLayersPanel *vik_layers_panel_new () | |
107 | { | |
108 | return VIK_LAYERS_PANEL ( g_object_new ( VIK_LAYERS_PANEL_TYPE, NULL ) ); | |
109 | } | |
110 | ||
111 | void vik_layers_panel_set_viewport ( VikLayersPanel *vlp, VikViewport *vvp ) | |
112 | { | |
113 | vlp->vvp = vvp; | |
114 | /* TODO: also update GCs (?) */ | |
115 | } | |
116 | ||
117 | VikViewport *vik_layers_panel_get_viewport ( VikLayersPanel *vlp ) | |
118 | { | |
119 | return vlp->vvp; | |
120 | } | |
121 | ||
122 | static void layers_panel_init ( VikLayersPanel *vlp ) | |
123 | { | |
124 | GtkWidget *hbox; | |
125 | GtkWidget *upbutton, *upimage, *downbutton, *downimage; | |
126 | GtkWidget *scrolledwindow; | |
127 | GtkItemFactoryEntry entry; | |
128 | guint i, tmp; | |
129 | ||
130 | vlp->vvp = NULL; | |
131 | ||
132 | hbox = gtk_hbox_new ( TRUE, 2 ); | |
133 | vlp->vt = vik_treeview_new ( ); | |
134 | ||
135 | vlp->toplayer = vik_aggregate_layer_new (); | |
136 | vik_layer_rename ( VIK_LAYER(vlp->toplayer), "Top Layer"); | |
137 | g_signal_connect_swapped ( G_OBJECT(vlp->toplayer), "update", G_CALLBACK(vik_layers_panel_emit_update), vlp ); | |
138 | ||
139 | vik_treeview_add_layer ( vlp->vt, NULL, &(vlp->toplayer_iter), VIK_LAYER(vlp->toplayer)->name, NULL, vlp->toplayer, VIK_LAYER_AGGREGATE, VIK_LAYER_AGGREGATE ); | |
140 | vik_layer_realize ( VIK_LAYER(vlp->toplayer), vlp->vt, &(vlp->toplayer_iter) ); | |
141 | ||
142 | g_signal_connect_swapped ( vlp->vt, "popup_menu", G_CALLBACK(layers_popup_cb), vlp); | |
143 | g_signal_connect_swapped ( vlp->vt, "button_press_event", G_CALLBACK(layers_button_press_cb), vlp); | |
144 | g_signal_connect_swapped ( vlp->vt, "item_toggled", G_CALLBACK(layers_item_toggled), vlp); | |
145 | g_signal_connect_swapped ( vlp->vt, "item_edited", G_CALLBACK(layers_item_edited), vlp); | |
146 | ||
147 | upimage = gtk_image_new_from_stock ( GTK_STOCK_GO_UP, GTK_ICON_SIZE_BUTTON ); | |
148 | upbutton = gtk_button_new ( ); | |
149 | gtk_container_add ( GTK_CONTAINER(upbutton), upimage ); | |
150 | gtk_box_pack_start ( GTK_BOX(hbox), upbutton, TRUE, TRUE, 0 ); | |
151 | g_signal_connect_swapped ( G_OBJECT(upbutton), "clicked", G_CALLBACK(layers_move_item_up), vlp ); | |
152 | downimage = gtk_image_new_from_stock ( GTK_STOCK_GO_DOWN, GTK_ICON_SIZE_BUTTON ); | |
153 | downbutton = gtk_button_new ( ); | |
154 | gtk_container_add ( GTK_CONTAINER(downbutton), downimage ); | |
155 | gtk_box_pack_start ( GTK_BOX(hbox), downbutton, TRUE, TRUE, 0 ); | |
156 | g_signal_connect_swapped ( G_OBJECT(downbutton), "clicked", G_CALLBACK(layers_move_item_down), vlp ); | |
157 | ||
158 | scrolledwindow = gtk_scrolled_window_new ( NULL, NULL ); | |
159 | gtk_scrolled_window_set_policy ( GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC ); | |
160 | gtk_container_add ( GTK_CONTAINER(scrolledwindow), GTK_WIDGET(vlp->vt) ); | |
161 | ||
162 | gtk_box_pack_start ( GTK_BOX(vlp), scrolledwindow, TRUE, TRUE, 0 ); | |
163 | gtk_box_pack_start ( GTK_BOX(vlp), hbox, FALSE, FALSE, 0 ); | |
164 | ||
165 | vlp->popup_factory = gtk_item_factory_new ( GTK_TYPE_MENU, "<main>", NULL ); | |
166 | gtk_item_factory_create_items ( vlp->popup_factory, NUM_BASE_ENTRIES, base_entries, vlp ); | |
167 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
168 | { | |
169 | /* TODO: FIXME: if name has a '/' in it it will get all messed up. why not have an itemfactory field with | |
170 | name, icon, shortcut, etc.? */ | |
171 | entry.path = g_strdup_printf("%s/New %s Layer", base_entries[NUM_BASE_ENTRIES-1].path, vik_layer_get_interface(i)->name ); | |
172 | entry.accelerator = NULL; | |
173 | entry.callback = (GtkItemFactoryCallback) vik_layers_panel_new_layer; | |
174 | entry.callback_action = i; | |
175 | if ( vik_layer_get_interface(i)->icon ) | |
176 | { | |
177 | entry.item_type = "<ImageItem>"; | |
178 | entry.extra_data = gdk_pixdata_serialize ( vik_layer_get_interface(i)->icon, &tmp ); | |
179 | } | |
180 | else | |
181 | entry.item_type = "<Item>"; | |
182 | ||
183 | gtk_item_factory_create_item ( vlp->popup_factory, &entry, vlp, 1 ); | |
184 | g_free ( (gpointer) entry.extra_data ); | |
185 | g_free ( entry.path ); | |
186 | } | |
187 | } | |
188 | ||
189 | void vik_layers_panel_emit_update ( VikLayersPanel *vlp ) | |
190 | { | |
191 | g_signal_emit ( G_OBJECT(vlp), layers_panel_signals[VLP_UPDATE_SIGNAL], 0 ); | |
192 | } | |
193 | ||
194 | static void layers_item_toggled (VikLayersPanel *vlp, GtkTreeIter *iter) | |
195 | { | |
196 | gboolean visible; | |
197 | gpointer p; | |
198 | gint type; | |
199 | ||
200 | /* get type and data */ | |
201 | type = vik_treeview_item_get_type ( vlp->vt, iter ); | |
202 | p = vik_treeview_item_get_pointer ( vlp->vt, iter ); | |
203 | ||
204 | switch ( type ) | |
205 | { | |
206 | case VIK_TREEVIEW_TYPE_LAYER: visible = (VIK_LAYER(p)->visible ^= 1); break; | |
207 | case VIK_TREEVIEW_TYPE_SUBLAYER: visible = vik_layer_sublayer_toggle_visible ( VIK_LAYER(vik_treeview_item_get_parent(vlp->vt, iter)), vik_treeview_item_get_data(vlp->vt, iter), p); break; | |
208 | default: return; | |
209 | } | |
210 | ||
211 | vik_treeview_item_set_visible ( vlp->vt, iter, visible ); | |
212 | ||
213 | vik_layers_panel_emit_update ( vlp ); | |
214 | } | |
215 | ||
216 | static void layers_item_edited (VikLayersPanel *vlp, GtkTreeIter *iter, const gchar *new_text) | |
217 | { | |
218 | if ( vik_treeview_item_get_type ( vlp->vt, iter ) == VIK_TREEVIEW_TYPE_LAYER ) | |
219 | { | |
220 | VikLayer *l; | |
221 | ||
222 | /* get iter and layer */ | |
223 | l = VIK_LAYER ( vik_treeview_item_get_pointer ( vlp->vt, iter ) ); | |
224 | ||
225 | if ( strcmp ( l->name, new_text ) != 0 ) | |
226 | { | |
227 | vik_layer_rename ( l, new_text ); | |
228 | vik_treeview_item_set_name ( vlp->vt, iter, l->name ); | |
229 | } | |
230 | } | |
231 | else | |
232 | { | |
233 | const gchar *name = vik_layer_sublayer_rename_request ( vik_treeview_item_get_parent ( vlp->vt, iter ), new_text, vlp, vik_treeview_item_get_data ( vlp->vt, iter ), vik_treeview_item_get_pointer ( vlp->vt, iter ), iter ); | |
234 | if ( name ) | |
235 | vik_treeview_item_set_name ( vlp->vt, iter, name); | |
236 | } | |
237 | } | |
238 | ||
239 | static gboolean layers_button_press_cb ( VikLayersPanel *vlp, GdkEventButton *event ) | |
240 | { | |
241 | if (event->button == 3) | |
242 | { | |
243 | GtkTreeIter iter; | |
244 | if ( vik_treeview_get_iter_at_pos ( vlp->vt, &iter, event->x, event->y ) ) | |
245 | { | |
246 | layers_popup ( vlp, &iter, 3 ); | |
247 | vik_treeview_item_select ( vlp->vt, &iter ); | |
248 | } | |
249 | else | |
250 | layers_popup ( vlp, NULL, 3 ); | |
251 | return TRUE; | |
252 | } | |
253 | return FALSE; | |
254 | } | |
255 | ||
256 | static void layers_popup ( VikLayersPanel *vlp, GtkTreeIter *iter, gint mouse_button ) | |
257 | { | |
258 | GtkMenu *menu = NULL; | |
259 | ||
260 | ||
261 | if ( iter ) | |
262 | { | |
263 | if ( vik_treeview_item_get_type ( vlp->vt, iter ) == VIK_TREEVIEW_TYPE_LAYER ) | |
264 | { | |
265 | VikLayer *layer = VIK_LAYER(vik_treeview_item_get_pointer ( vlp->vt, iter )); | |
266 | ||
267 | if ( layer->type == VIK_LAYER_AGGREGATE ) | |
268 | menu = GTK_MENU(gtk_item_factory_get_widget ( vlp->popup_factory, "<main>" )); | |
269 | else | |
270 | { | |
271 | GtkWidget *del, *prop; | |
272 | ||
273 | menu = GTK_MENU ( gtk_menu_new () ); | |
274 | ||
275 | prop = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PROPERTIES, NULL ); | |
276 | g_signal_connect_swapped ( G_OBJECT(prop), "activate", G_CALLBACK(vik_layers_panel_properties), vlp ); | |
277 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), prop); | |
278 | gtk_widget_show ( prop ); | |
279 | ||
280 | del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_DELETE, NULL ); | |
281 | g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_delete_selected), vlp ); | |
282 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), del); | |
283 | gtk_widget_show ( del ); | |
284 | ||
285 | vik_layer_add_menu_items ( layer, menu, vlp ); | |
286 | } | |
287 | } | |
288 | else | |
289 | { | |
290 | menu = GTK_MENU ( gtk_menu_new () ); | |
291 | if ( ! vik_layer_sublayer_add_menu_items ( vik_treeview_item_get_parent ( vlp->vt, iter ), menu, vlp, vik_treeview_item_get_data ( vlp->vt, iter ), vik_treeview_item_get_pointer ( vlp->vt, iter ), iter ) ) | |
292 | { | |
293 | gtk_widget_destroy ( GTK_WIDGET(menu) ); | |
294 | return; | |
295 | } | |
296 | /* TODO: copy, paste, specific things for different types */ | |
297 | } | |
298 | } | |
299 | else | |
300 | menu = GTK_MENU(gtk_item_factory_get_widget ( vlp->popup_factory, base_entries[NUM_BASE_ENTRIES-1].path )); | |
301 | gtk_menu_popup ( menu, NULL, NULL, NULL, NULL, mouse_button, gtk_get_current_event_time() ); | |
302 | } | |
303 | ||
304 | static void layers_popup_cb ( VikLayersPanel *vlp ) | |
305 | { | |
306 | GtkTreeIter iter; | |
307 | layers_popup ( vlp, vik_treeview_get_selected_iter ( vlp->vt, &iter ) ? &iter : NULL, 0 ); | |
308 | } | |
309 | ||
310 | gboolean vik_layers_panel_new_layer ( VikLayersPanel *vlp, gint type ) | |
311 | { | |
312 | VikLayer *l; | |
313 | g_assert ( vlp->vvp ); | |
314 | l = vik_layer_create ( type, vlp->vvp, VIK_GTK_WINDOW_FROM_WIDGET(vlp), TRUE ); | |
315 | if ( l ) | |
316 | { | |
317 | vik_layers_panel_add_layer ( vlp, l ); | |
318 | vik_layers_panel_emit_update ( vlp ); | |
319 | return TRUE; | |
320 | } | |
321 | return FALSE; | |
322 | } | |
323 | ||
324 | void vik_layers_panel_add_layer ( VikLayersPanel *vlp, VikLayer *l ) | |
325 | { | |
326 | GtkTreeIter iter; | |
327 | GtkTreeIter *replace_iter = NULL; | |
328 | ||
329 | /* could be something different so we have to do this */ | |
330 | vik_layer_change_coord_mode ( l, vik_viewport_get_coord_mode(vlp->vvp) ); | |
331 | ||
332 | if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) ) | |
333 | vik_aggregate_layer_add_layer ( vlp->toplayer, l ); | |
334 | else | |
335 | { | |
336 | VikAggregateLayer *addtoagg; | |
337 | if (vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER ) | |
338 | { | |
339 | if ( ! IS_VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter )) ) { | |
340 | addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter )); | |
341 | replace_iter = &iter; | |
342 | } | |
343 | else | |
344 | addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter )); | |
345 | } | |
346 | else | |
347 | { | |
348 | /* a sublayer is selected, first get its parent (layer), then find the layer's parent (aggr. layer) */ | |
349 | VikLayer *vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter )); | |
350 | replace_iter = &(vl->iter); | |
351 | g_assert ( vl->realized ); | |
352 | addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_parent ( vlp->vt, &(vl->iter) ) ); | |
353 | } | |
354 | if ( replace_iter ) | |
355 | vik_aggregate_layer_insert_layer ( addtoagg, l, replace_iter ); | |
356 | else | |
357 | vik_aggregate_layer_add_layer ( addtoagg, l ); | |
358 | } | |
359 | } | |
360 | ||
361 | static void layers_move_item ( VikLayersPanel *vlp, gboolean up ) | |
362 | { | |
363 | GtkTreeIter iter; | |
364 | VikAggregateLayer *parent; | |
365 | ||
366 | /* TODO: deactivate the buttons and stuff */ | |
367 | if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) ) | |
368 | return; | |
369 | ||
370 | vik_treeview_select_iter ( vlp->vt, &iter ); /* cancel any layer-name editing going on... */ | |
371 | ||
372 | if ( vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER ) | |
373 | { | |
374 | parent = VIK_AGGREGATE_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter )); | |
375 | if ( parent ) /* not toplevel */ | |
376 | { | |
377 | vik_aggregate_layer_move_layer ( parent, &iter, up ); | |
378 | vik_layers_panel_emit_update ( vlp ); | |
379 | } | |
380 | } | |
381 | } | |
382 | ||
383 | gboolean vik_layers_panel_properties ( VikLayersPanel *vlp ) | |
384 | { | |
385 | GtkTreeIter iter; | |
386 | g_assert ( vlp->vvp ); | |
387 | ||
388 | if ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) && vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER ) | |
389 | { | |
390 | if ( vik_treeview_item_get_data ( vlp->vt, &iter ) == VIK_LAYER_AGGREGATE ) | |
391 | a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), "Aggregate Layers have no settable properties." ); | |
392 | vik_layer_properties ( VIK_LAYER( vik_treeview_item_get_pointer ( vlp->vt, &iter ) ), VIK_GTK_WINDOW_FROM_WIDGET(vlp->vt) ); | |
393 | return TRUE; | |
394 | } | |
395 | else | |
396 | return FALSE; | |
397 | } | |
398 | ||
399 | void vik_layers_panel_draw_all ( VikLayersPanel *vlp ) | |
400 | { | |
401 | if ( vlp->vvp && VIK_LAYER(vlp->toplayer)->visible ) | |
402 | vik_aggregate_layer_draw ( vlp->toplayer, vlp->vvp ); | |
403 | } | |
404 | ||
405 | void vik_layers_panel_draw_all_using_viewport ( VikLayersPanel *vlp, VikViewport *vvp ) | |
406 | { | |
407 | if ( vlp->vvp && VIK_LAYER(vlp->toplayer)->visible ) | |
408 | vik_aggregate_layer_draw ( vlp->toplayer, vvp ); | |
409 | } | |
410 | ||
411 | void vik_layers_panel_delete_selected ( VikLayersPanel *vlp ) | |
412 | { | |
413 | gint type; | |
414 | GtkTreeIter iter; | |
415 | ||
416 | g_return_if_fail ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) ); | |
417 | ||
418 | type = vik_treeview_item_get_type ( vlp->vt, &iter ); | |
419 | ||
420 | if ( type == VIK_TREEVIEW_TYPE_LAYER ) | |
421 | { | |
422 | VikAggregateLayer *parent = vik_treeview_item_get_parent ( vlp->vt, &iter ); | |
423 | if ( parent ) | |
424 | { | |
425 | if ( vik_aggregate_layer_delete ( parent, &iter ) ) | |
426 | vik_layers_panel_emit_update ( vlp ); | |
427 | } | |
428 | else | |
429 | a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), "You cannot delete the Top Layer." ); | |
430 | } | |
431 | } | |
432 | ||
433 | VikLayer *vik_layers_panel_get_selected ( VikLayersPanel *vlp ) | |
434 | { | |
435 | GtkTreeIter iter, parent; | |
436 | gint type; | |
437 | ||
438 | if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) ) | |
439 | return NULL; | |
440 | ||
441 | type = vik_treeview_item_get_type ( vlp->vt, &iter ); | |
442 | ||
443 | while ( type != VIK_TREEVIEW_TYPE_LAYER ) | |
444 | { | |
445 | if ( ! vik_treeview_item_get_parent_iter ( vlp->vt, &iter, &parent ) ) | |
446 | return NULL; | |
447 | iter = parent; | |
448 | type = vik_treeview_item_get_type ( vlp->vt, &iter ); | |
449 | } | |
450 | ||
451 | return VIK_LAYER( vik_treeview_item_get_pointer ( vlp->vt, &iter ) ); | |
452 | } | |
453 | ||
454 | static void layers_move_item_up ( VikLayersPanel *vlp ) | |
455 | { | |
456 | layers_move_item ( vlp, TRUE ); | |
457 | } | |
458 | ||
459 | static void layers_move_item_down ( VikLayersPanel *vlp ) | |
460 | { | |
461 | layers_move_item ( vlp, FALSE ); | |
462 | } | |
463 | ||
464 | gboolean vik_layers_panel_tool ( VikLayersPanel *vlp, guint16 layer_type, VikToolInterfaceFunc tool_func, GdkEventButton *event, VikViewport *vvp ) | |
465 | { | |
466 | VikLayer *vl = vik_layers_panel_get_selected ( vlp ); | |
467 | if ( vl && vl->type == layer_type ) | |
468 | { | |
469 | tool_func ( vl, event, vvp ); | |
470 | return TRUE; | |
471 | } | |
472 | else if ( VIK_LAYER(vlp->toplayer)->visible && | |
473 | vik_aggregate_layer_tool ( vlp->toplayer, layer_type, tool_func, event, vvp ) != 1 ) /* either accepted or rejected, but a layer was found */ | |
474 | return TRUE; | |
475 | return FALSE; | |
476 | } | |
477 | ||
478 | VikLayer *vik_layers_panel_get_layer_of_type ( VikLayersPanel *vlp, gint type ) | |
479 | { | |
480 | VikLayer *rv = vik_layers_panel_get_selected ( vlp ); | |
481 | if ( rv == NULL || rv->type != type ) | |
482 | if ( VIK_LAYER(vlp->toplayer)->visible ) | |
483 | return vik_aggregate_layer_get_top_visible_layer_of_type ( vlp->toplayer, type ); | |
484 | else | |
485 | return NULL; | |
486 | else | |
487 | return rv; | |
488 | } | |
489 | ||
490 | VikAggregateLayer *vik_layers_panel_get_top_layer ( VikLayersPanel *vlp ) | |
491 | { | |
492 | return vlp->toplayer; | |
493 | } | |
494 | ||
495 | void vik_layers_panel_clear ( VikLayersPanel *vlp ) | |
496 | { | |
497 | if ( (! vik_aggregate_layer_is_empty(vlp->toplayer)) && a_dialog_overwrite ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), "Are you sure you wish to delete all layers?", NULL ) ) | |
498 | vik_aggregate_layer_clear ( vlp->toplayer ); /* simply deletes all layers */ | |
499 | } | |
500 | ||
501 | void vik_layers_panel_change_coord_mode ( VikLayersPanel *vlp, VikCoordMode mode ) | |
502 | { | |
503 | vik_layer_change_coord_mode ( VIK_LAYER(vlp->toplayer), mode ); | |
504 | } | |
505 | ||
506 | static void layers_panel_finalize ( GObject *gob ) | |
507 | { | |
508 | VikLayersPanel *vlp = VIK_LAYERS_PANEL ( gob ); | |
509 | g_object_unref ( VIK_LAYER(vlp->toplayer) ); | |
510 | g_object_unref ( G_OBJECT(vlp->popup_factory) ); | |
511 | G_OBJECT_CLASS(parent_class)->finalize(gob); | |
512 | } | |
513 |