2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
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.
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.
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
30 #include <glib/gi18n.h>
31 #include <gdk/gdkkeysyms.h>
38 static guint layers_panel_signals[VLP_LAST_SIGNAL] = { 0 };
40 static GObjectClass *parent_class;
42 struct _VikLayersPanel {
45 VikAggregateLayer *toplayer;
46 GtkTreeIter toplayer_iter;
49 VikViewport *vvp; /* reference */
51 GtkItemFactory *popup_factory;
54 static GtkItemFactoryEntry base_entries[] = {
55 { N_("/C_ut"), NULL, (GtkItemFactoryCallback) vik_layers_panel_cut_selected, -1, "<StockItem>", GTK_STOCK_CUT },
56 { N_("/_Copy"), NULL, (GtkItemFactoryCallback) vik_layers_panel_copy_selected, -1, "<StockItem>", GTK_STOCK_COPY },
57 { N_("/_Paste"), NULL, (GtkItemFactoryCallback) vik_layers_panel_paste_selected, -1, "<StockItem>", GTK_STOCK_PASTE },
58 { N_("/_Delete"), NULL, (GtkItemFactoryCallback) vik_layers_panel_delete_selected, -1, "<StockItem>", GTK_STOCK_DELETE },
59 { N_("/New Layer"), NULL, NULL, -1, "<Branch>" },
62 #define NUM_BASE_ENTRIES (sizeof(base_entries)/sizeof(base_entries[0]))
64 static void layers_item_toggled (VikLayersPanel *vlp, GtkTreeIter *iter);
65 static void layers_item_edited (VikLayersPanel *vlp, GtkTreeIter *iter, const gchar *new_text);
66 static void menu_popup_cb (VikLayersPanel *vlp);
67 static void layers_popup_cb (VikLayersPanel *vlp);
68 static void layers_popup ( VikLayersPanel *vlp, GtkTreeIter *iter, gint mouse_button );
69 static gboolean layers_button_press_cb (VikLayersPanel *vlp, GdkEventButton *event);
70 static gboolean layers_key_press_cb (VikLayersPanel *vlp, GdkEventKey *event);
71 static void layers_move_item ( VikLayersPanel *vlp, gboolean up );
72 static void layers_move_item_up ( VikLayersPanel *vlp );
73 static void layers_move_item_down ( VikLayersPanel *vlp );
74 static void layers_panel_finalize ( GObject *gob );
76 G_DEFINE_TYPE (VikLayersPanel, vik_layers_panel, GTK_TYPE_VBOX)
78 static void vik_layers_panel_class_init ( VikLayersPanelClass *klass )
80 GObjectClass *object_class;
82 object_class = G_OBJECT_CLASS (klass);
84 object_class->finalize = layers_panel_finalize;
86 parent_class = g_type_class_peek_parent (klass);
88 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);
91 VikLayersPanel *vik_layers_panel_new ()
93 return VIK_LAYERS_PANEL ( g_object_new ( VIK_LAYERS_PANEL_TYPE, NULL ) );
96 void vik_layers_panel_set_viewport ( VikLayersPanel *vlp, VikViewport *vvp )
99 /* TODO: also update GCs (?) */
102 VikViewport *vik_layers_panel_get_viewport ( VikLayersPanel *vlp )
107 static void vik_layers_panel_init ( VikLayersPanel *vlp )
110 GtkWidget *addbutton, *addimage;
111 GtkWidget *removebutton, *removeimage;
112 GtkWidget *upbutton, *upimage;
113 GtkWidget *downbutton, *downimage;
114 GtkWidget *cutbutton, *cutimage;
115 GtkWidget *copybutton, *copyimage;
116 GtkWidget *pastebutton, *pasteimage;
117 GtkWidget *scrolledwindow;
118 GtkItemFactoryEntry entry;
123 hbox = gtk_hbox_new ( TRUE, 2 );
124 vlp->vt = vik_treeview_new ( );
126 vlp->toplayer = vik_aggregate_layer_new ();
127 vik_layer_rename ( VIK_LAYER(vlp->toplayer), _("Top Layer"));
128 g_signal_connect_swapped ( G_OBJECT(vlp->toplayer), "update", G_CALLBACK(vik_layers_panel_emit_update), vlp );
130 vik_treeview_add_layer ( vlp->vt, NULL, &(vlp->toplayer_iter), VIK_LAYER(vlp->toplayer)->name, NULL, vlp->toplayer, VIK_LAYER_AGGREGATE, VIK_LAYER_AGGREGATE );
131 vik_layer_realize ( VIK_LAYER(vlp->toplayer), vlp->vt, &(vlp->toplayer_iter) );
133 g_signal_connect_swapped ( vlp->vt, "popup_menu", G_CALLBACK(menu_popup_cb), vlp);
134 g_signal_connect_swapped ( vlp->vt, "button_press_event", G_CALLBACK(layers_button_press_cb), vlp);
135 g_signal_connect_swapped ( vlp->vt, "item_toggled", G_CALLBACK(layers_item_toggled), vlp);
136 g_signal_connect_swapped ( vlp->vt, "item_edited", G_CALLBACK(layers_item_edited), vlp);
137 g_signal_connect_swapped ( vlp->vt, "key_press_event", G_CALLBACK(layers_key_press_cb), vlp);
140 addimage = gtk_image_new_from_stock ( GTK_STOCK_ADD, GTK_ICON_SIZE_SMALL_TOOLBAR );
141 addbutton = gtk_button_new ( );
142 gtk_container_add ( GTK_CONTAINER(addbutton), addimage );
143 gtk_widget_set_tooltip_text ( GTK_WIDGET(addbutton), _("Add new layer"));
144 gtk_box_pack_start ( GTK_BOX(hbox), addbutton, TRUE, TRUE, 0 );
145 g_signal_connect_swapped ( G_OBJECT(addbutton), "clicked", G_CALLBACK(layers_popup_cb), vlp );
147 removeimage = gtk_image_new_from_stock ( GTK_STOCK_REMOVE, GTK_ICON_SIZE_SMALL_TOOLBAR );
148 removebutton = gtk_button_new ( );
149 gtk_container_add ( GTK_CONTAINER(removebutton), removeimage );
150 gtk_widget_set_tooltip_text ( GTK_WIDGET(removebutton), _("Remove selected layer"));
151 gtk_box_pack_start ( GTK_BOX(hbox), removebutton, TRUE, TRUE, 0 );
152 g_signal_connect_swapped ( G_OBJECT(removebutton), "clicked", G_CALLBACK(vik_layers_panel_delete_selected), vlp );
154 upimage = gtk_image_new_from_stock ( GTK_STOCK_GO_UP, GTK_ICON_SIZE_SMALL_TOOLBAR );
155 upbutton = gtk_button_new ( );
156 gtk_container_add ( GTK_CONTAINER(upbutton), upimage );
157 gtk_widget_set_tooltip_text ( GTK_WIDGET(upbutton), _("Move selected layer up"));
158 gtk_box_pack_start ( GTK_BOX(hbox), upbutton, TRUE, TRUE, 0 );
159 g_signal_connect_swapped ( G_OBJECT(upbutton), "clicked", G_CALLBACK(layers_move_item_up), vlp );
161 downimage = gtk_image_new_from_stock ( GTK_STOCK_GO_DOWN, GTK_ICON_SIZE_SMALL_TOOLBAR );
162 downbutton = gtk_button_new ( );
163 gtk_container_add ( GTK_CONTAINER(downbutton), downimage );
164 gtk_widget_set_tooltip_text ( GTK_WIDGET(downbutton), _("Move selected layer down"));
165 gtk_box_pack_start ( GTK_BOX(hbox), downbutton, TRUE, TRUE, 0 );
166 g_signal_connect_swapped ( G_OBJECT(downbutton), "clicked", G_CALLBACK(layers_move_item_down), vlp );
168 cutimage = gtk_image_new_from_stock ( GTK_STOCK_CUT, GTK_ICON_SIZE_SMALL_TOOLBAR );
169 cutbutton = gtk_button_new ( );
170 gtk_container_add ( GTK_CONTAINER(cutbutton), cutimage );
171 gtk_widget_set_tooltip_text ( GTK_WIDGET(cutbutton), _("Cut selected layer"));
172 gtk_box_pack_start ( GTK_BOX(hbox), cutbutton, TRUE, TRUE, 0 );
173 g_signal_connect_swapped ( G_OBJECT(cutbutton), "clicked", G_CALLBACK(vik_layers_panel_cut_selected), vlp );
175 copyimage = gtk_image_new_from_stock ( GTK_STOCK_COPY, GTK_ICON_SIZE_SMALL_TOOLBAR );
176 copybutton = gtk_button_new ( );
177 gtk_container_add ( GTK_CONTAINER(copybutton), copyimage );
178 gtk_widget_set_tooltip_text ( GTK_WIDGET(copybutton), _("Copy selected layer"));
179 gtk_box_pack_start ( GTK_BOX(hbox), copybutton, TRUE, TRUE, 0 );
180 g_signal_connect_swapped ( G_OBJECT(copybutton), "clicked", G_CALLBACK(vik_layers_panel_copy_selected), vlp );
182 pasteimage = gtk_image_new_from_stock ( GTK_STOCK_PASTE, GTK_ICON_SIZE_SMALL_TOOLBAR );
183 pastebutton = gtk_button_new ( );
184 gtk_container_add ( GTK_CONTAINER(pastebutton),pasteimage );
185 gtk_widget_set_tooltip_text ( GTK_WIDGET(pastebutton), _("Paste layer below selected layer"));
186 gtk_box_pack_start ( GTK_BOX(hbox), pastebutton, TRUE, TRUE, 0 );
187 g_signal_connect_swapped ( G_OBJECT(pastebutton), "clicked", G_CALLBACK(vik_layers_panel_paste_selected), vlp );
189 scrolledwindow = gtk_scrolled_window_new ( NULL, NULL );
190 gtk_scrolled_window_set_policy ( GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC );
191 gtk_container_add ( GTK_CONTAINER(scrolledwindow), GTK_WIDGET(vlp->vt) );
193 gtk_box_pack_start ( GTK_BOX(vlp), scrolledwindow, TRUE, TRUE, 0 );
194 gtk_box_pack_start ( GTK_BOX(vlp), hbox, FALSE, FALSE, 0 );
196 vlp->popup_factory = gtk_item_factory_new ( GTK_TYPE_MENU, "<main>", NULL );
197 gtk_item_factory_set_translate_func (vlp->popup_factory,
198 (GtkTranslateFunc) gettext, NULL, NULL);
199 gtk_item_factory_create_items ( vlp->popup_factory, NUM_BASE_ENTRIES, base_entries, vlp );
200 for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ )
202 /* TODO: FIXME: if name has a '/' in it it will get all messed up. why not have an itemfactory field with
203 name, icon, shortcut, etc.? */
204 gchar *label = g_strdup_printf(_("New _%s Layer"), vik_layer_get_interface(i)->name );
205 entry.path = g_strdup_printf("%s/%s", base_entries[NUM_BASE_ENTRIES-1].path, label );
207 entry.accelerator = NULL;
208 entry.callback = (GtkItemFactoryCallback) vik_layers_panel_new_layer;
209 entry.callback_action = i;
210 if ( vik_layer_get_interface(i)->icon )
212 entry.item_type = "<ImageItem>";
213 entry.extra_data = gdk_pixdata_serialize ( vik_layer_get_interface(i)->icon, &tmp );
216 entry.item_type = "<Item>";
218 gtk_item_factory_create_item ( vlp->popup_factory, &entry, vlp, 1 );
219 g_free ( (gpointer) entry.extra_data );
220 g_free ( entry.path );
225 * Invoke the actual drawing via signal method
227 static gboolean idle_draw_panel ( VikLayersPanel *vlp )
229 g_signal_emit ( G_OBJECT(vlp), layers_panel_signals[VLP_UPDATE_SIGNAL], 0 );
230 return FALSE; // Nothing else to do
233 void vik_layers_panel_emit_update ( VikLayersPanel *vlp )
235 // Only ever draw when there is time to do so
236 if ( g_thread_self() != vik_window_get_thread (VIK_WINDOW(VIK_GTK_WINDOW_FROM_WIDGET(vlp))) )
237 // Drawing requested from another (background) thread, so handle via the gdk thread method
238 gdk_threads_add_idle ( (GSourceFunc) idle_draw_panel, vlp );
240 g_idle_add ( (GSourceFunc) idle_draw_panel, vlp );
243 static void layers_item_toggled (VikLayersPanel *vlp, GtkTreeIter *iter)
249 /* get type and data */
250 type = vik_treeview_item_get_type ( vlp->vt, iter );
251 p = vik_treeview_item_get_pointer ( vlp->vt, iter );
255 case VIK_TREEVIEW_TYPE_LAYER:
256 visible = (VIK_LAYER(p)->visible ^= 1);
257 vik_layer_emit_update_although_invisible ( VIK_LAYER(p) ); /* set trigger for half-drawn */
259 case VIK_TREEVIEW_TYPE_SUBLAYER:
260 visible = vik_layer_sublayer_toggle_visible ( VIK_LAYER(vik_treeview_item_get_parent(vlp->vt, iter)),
261 vik_treeview_item_get_data(vlp->vt, iter), p);
262 vik_layer_emit_update_although_invisible ( VIK_LAYER(vik_treeview_item_get_parent(vlp->vt, iter)) );
267 vik_treeview_item_set_visible ( vlp->vt, iter, visible );
270 static void layers_item_edited (VikLayersPanel *vlp, GtkTreeIter *iter, const gchar *new_text)
272 if ( vik_treeview_item_get_type ( vlp->vt, iter ) == VIK_TREEVIEW_TYPE_LAYER )
276 /* get iter and layer */
277 l = VIK_LAYER ( vik_treeview_item_get_pointer ( vlp->vt, iter ) );
279 if ( strcmp ( l->name, new_text ) != 0 )
281 vik_layer_rename ( l, new_text );
282 vik_treeview_item_set_name ( vlp->vt, iter, l->name );
287 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 );
289 vik_treeview_item_set_name ( vlp->vt, iter, name);
293 static gboolean layers_button_press_cb ( VikLayersPanel *vlp, GdkEventButton *event )
295 if (event->button == 3)
297 static GtkTreeIter iter;
298 if ( vik_treeview_get_iter_at_pos ( vlp->vt, &iter, event->x, event->y ) )
300 layers_popup ( vlp, &iter, 3 );
301 vik_treeview_item_select ( vlp->vt, &iter );
304 layers_popup ( vlp, NULL, 3 );
310 static gboolean layers_key_press_cb ( VikLayersPanel *vlp, GdkEventKey *event )
312 // Accept all forms of delete keys
313 if (event->keyval == GDK_Delete || event->keyval == GDK_KP_Delete || event->keyval == GDK_BackSpace) {
314 vik_layers_panel_delete_selected (vlp);
320 static void layers_popup ( VikLayersPanel *vlp, GtkTreeIter *iter, gint mouse_button )
322 GtkMenu *menu = NULL;
327 if ( vik_treeview_item_get_type ( vlp->vt, iter ) == VIK_TREEVIEW_TYPE_LAYER )
329 VikLayer *layer = VIK_LAYER(vik_treeview_item_get_pointer ( vlp->vt, iter ));
331 if ( layer->type == VIK_LAYER_AGGREGATE )
332 menu = GTK_MENU(gtk_item_factory_get_widget ( vlp->popup_factory, "<main>" ));
335 GtkWidget *del, *prop;
336 VikStdLayerMenuItem menu_selection = vik_layer_get_menu_items_selection(layer);
338 menu = GTK_MENU ( gtk_menu_new () );
340 if (menu_selection & VIK_MENU_ITEM_PROPERTY) {
341 prop = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PROPERTIES, NULL );
342 g_signal_connect_swapped ( G_OBJECT(prop), "activate", G_CALLBACK(vik_layers_panel_properties), vlp );
343 gtk_menu_shell_append (GTK_MENU_SHELL (menu), prop);
344 gtk_widget_show ( prop );
347 if (menu_selection & VIK_MENU_ITEM_CUT) {
348 del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_CUT, NULL );
349 g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_cut_selected), vlp );
350 gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
351 gtk_widget_show ( del );
354 if (menu_selection & VIK_MENU_ITEM_COPY) {
355 del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_COPY, NULL );
356 g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_copy_selected), vlp );
357 gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
358 gtk_widget_show ( del );
361 if (menu_selection & VIK_MENU_ITEM_PASTE) {
362 del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PASTE, NULL );
363 g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_paste_selected), vlp );
364 gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
365 gtk_widget_show ( del );
368 if (menu_selection & VIK_MENU_ITEM_DELETE) {
369 del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_DELETE, NULL );
370 g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_delete_selected), vlp );
371 gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
372 gtk_widget_show ( del );
375 vik_layer_add_menu_items ( layer, menu, vlp );
380 menu = GTK_MENU ( gtk_menu_new () );
381 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, vlp->vvp ) )
383 gtk_widget_destroy ( GTK_WIDGET(menu) );
386 /* TODO: specific things for different types */
390 menu = GTK_MENU(gtk_item_factory_get_widget ( vlp->popup_factory, base_entries[NUM_BASE_ENTRIES-1].path ));
391 gtk_menu_popup ( menu, NULL, NULL, NULL, NULL, mouse_button, gtk_get_current_event_time() );
394 static void menu_popup_cb ( VikLayersPanel *vlp )
397 layers_popup ( vlp, vik_treeview_get_selected_iter ( vlp->vt, &iter ) ? &iter : NULL, 0 );
400 static void layers_popup_cb ( VikLayersPanel *vlp )
402 layers_popup ( vlp, NULL, 0 );
406 * vik_layers_panel_new_layer:
407 * @type: type of the new layer
409 * Create a new layer and add to panel.
411 gboolean vik_layers_panel_new_layer ( VikLayersPanel *vlp, gint type )
414 g_assert ( vlp->vvp );
415 l = vik_layer_create ( type, vlp->vvp, VIK_GTK_WINDOW_FROM_WIDGET(vlp), TRUE );
418 vik_layers_panel_add_layer ( vlp, l );
425 * vik_layers_panel_add_layer:
428 * Add an existing layer to panel.
430 void vik_layers_panel_add_layer ( VikLayersPanel *vlp, VikLayer *l )
433 GtkTreeIter *replace_iter = NULL;
435 /* could be something different so we have to do this */
436 vik_layer_change_coord_mode ( l, vik_viewport_get_coord_mode(vlp->vvp) );
438 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
439 vik_aggregate_layer_add_layer ( vlp->toplayer, l );
442 VikAggregateLayer *addtoagg;
443 if (vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
445 if ( IS_VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter )) )
446 addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter ));
448 VikLayer *vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
449 while ( ! IS_VIK_AGGREGATE_LAYER(vl) ) {
451 vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &vl->iter ));
452 g_assert ( vl->realized );
454 addtoagg = VIK_AGGREGATE_LAYER(vl);
455 replace_iter = &iter;
460 /* a sublayer is selected, first get its parent (layer), then find the layer's parent (aggr. layer) */
461 VikLayer *vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
462 replace_iter = &(vl->iter);
463 g_assert ( vl->realized );
464 VikLayer *grandpa = (vik_treeview_item_get_parent ( vlp->vt, &(vl->iter) ) );
465 if (IS_VIK_AGGREGATE_LAYER(grandpa))
466 addtoagg = VIK_AGGREGATE_LAYER(grandpa);
468 addtoagg = vlp->toplayer;
469 replace_iter = &grandpa->iter;
473 vik_aggregate_layer_insert_layer ( addtoagg, l, replace_iter );
475 vik_aggregate_layer_add_layer ( addtoagg, l );
478 vik_layers_panel_emit_update ( vlp );
481 static void layers_move_item ( VikLayersPanel *vlp, gboolean up )
484 VikAggregateLayer *parent;
486 /* TODO: deactivate the buttons and stuff */
487 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
490 vik_treeview_select_iter ( vlp->vt, &iter, FALSE ); /* cancel any layer-name editing going on... */
492 if ( vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
494 parent = VIK_AGGREGATE_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
495 if ( parent ) /* not toplevel */
497 vik_aggregate_layer_move_layer ( parent, &iter, up );
498 vik_layers_panel_emit_update ( vlp );
503 gboolean vik_layers_panel_properties ( VikLayersPanel *vlp )
506 g_assert ( vlp->vvp );
508 if ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) && vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
510 if ( vik_treeview_item_get_data ( vlp->vt, &iter ) == VIK_LAYER_AGGREGATE )
511 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), _("Aggregate Layers have no settable properties.") );
512 VikLayer *layer = VIK_LAYER( vik_treeview_item_get_pointer ( vlp->vt, &iter ) );
513 if (vik_layer_properties ( layer, vlp->vvp ))
514 vik_layer_emit_update ( layer );
521 void vik_layers_panel_draw_all ( VikLayersPanel *vlp )
523 if ( vlp->vvp && VIK_LAYER(vlp->toplayer)->visible )
524 vik_aggregate_layer_draw ( vlp->toplayer, vlp->vvp );
527 void vik_layers_panel_cut_selected ( VikLayersPanel *vlp )
532 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
536 type = vik_treeview_item_get_type ( vlp->vt, &iter );
538 if ( type == VIK_TREEVIEW_TYPE_LAYER )
540 VikAggregateLayer *parent = vik_treeview_item_get_parent ( vlp->vt, &iter );
543 /* reset trigger if trigger deleted */
544 if ( vik_layers_panel_get_selected ( vlp ) == vik_viewport_get_trigger ( vlp->vvp ) )
545 vik_viewport_set_trigger ( vlp->vvp, NULL );
547 a_clipboard_copy_selected ( vlp );
549 if (IS_VIK_AGGREGATE_LAYER(parent)) {
550 if ( vik_aggregate_layer_delete ( parent, &iter ) )
551 vik_layers_panel_emit_update ( vlp );
555 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), _("You cannot cut the Top Layer.") );
557 else if (type == VIK_TREEVIEW_TYPE_SUBLAYER) {
558 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
559 if ( vik_layer_get_interface(sel->type)->cut_item ) {
560 gint subtype = vik_treeview_item_get_data( vlp->vt, &iter);
561 vik_layer_get_interface(sel->type)->cut_item ( sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter) );
566 void vik_layers_panel_copy_selected ( VikLayersPanel *vlp )
569 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
572 // NB clipboard contains layer vs sublayer logic, so don't need to do it here
573 a_clipboard_copy_selected ( vlp );
576 void vik_layers_panel_paste_selected ( VikLayersPanel *vlp )
579 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
582 a_clipboard_paste ( vlp );
585 void vik_layers_panel_delete_selected ( VikLayersPanel *vlp )
590 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
594 type = vik_treeview_item_get_type ( vlp->vt, &iter );
596 if ( type == VIK_TREEVIEW_TYPE_LAYER )
598 // Get confirmation from the user
599 if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(vlp),
600 _("Are you sure you want to delete %s?"),
601 vik_layer_get_name ( VIK_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter )) ) ) )
604 VikAggregateLayer *parent = vik_treeview_item_get_parent ( vlp->vt, &iter );
607 /* reset trigger if trigger deleted */
608 if ( vik_layers_panel_get_selected ( vlp ) == vik_viewport_get_trigger ( vlp->vvp ) )
609 vik_viewport_set_trigger ( vlp->vvp, NULL );
611 if (IS_VIK_AGGREGATE_LAYER(parent)) {
612 if ( vik_aggregate_layer_delete ( parent, &iter ) )
613 vik_layers_panel_emit_update ( vlp );
617 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), _("You cannot delete the Top Layer.") );
619 else if (type == VIK_TREEVIEW_TYPE_SUBLAYER) {
620 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
621 if ( vik_layer_get_interface(sel->type)->delete_item ) {
622 gint subtype = vik_treeview_item_get_data( vlp->vt, &iter);
623 vik_layer_get_interface(sel->type)->delete_item ( sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter) );
628 VikLayer *vik_layers_panel_get_selected ( VikLayersPanel *vlp )
630 GtkTreeIter iter, parent;
633 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
636 type = vik_treeview_item_get_type ( vlp->vt, &iter );
638 while ( type != VIK_TREEVIEW_TYPE_LAYER )
640 if ( ! vik_treeview_item_get_parent_iter ( vlp->vt, &iter, &parent ) )
643 type = vik_treeview_item_get_type ( vlp->vt, &iter );
646 return VIK_LAYER( vik_treeview_item_get_pointer ( vlp->vt, &iter ) );
649 static void layers_move_item_up ( VikLayersPanel *vlp )
651 layers_move_item ( vlp, TRUE );
654 static void layers_move_item_down ( VikLayersPanel *vlp )
656 layers_move_item ( vlp, FALSE );
660 gboolean vik_layers_panel_tool ( VikLayersPanel *vlp, guint16 layer_type, VikToolInterfaceFunc tool_func, GdkEventButton *event, VikViewport *vvp )
662 VikLayer *vl = vik_layers_panel_get_selected ( vlp );
663 if ( vl && vl->type == layer_type )
665 tool_func ( vl, event, vvp );
668 else if ( VIK_LAYER(vlp->toplayer)->visible &&
669 vik_aggregate_layer_tool ( vlp->toplayer, layer_type, tool_func, event, vvp ) != 1 ) /* either accepted or rejected, but a layer was found */
675 VikLayer *vik_layers_panel_get_layer_of_type ( VikLayersPanel *vlp, gint type )
677 VikLayer *rv = vik_layers_panel_get_selected ( vlp );
678 if ( rv == NULL || rv->type != type )
679 if ( VIK_LAYER(vlp->toplayer)->visible )
680 return vik_aggregate_layer_get_top_visible_layer_of_type ( vlp->toplayer, type );
687 GList *vik_layers_panel_get_all_layers_of_type(VikLayersPanel *vlp, gint type, gboolean include_invisible)
689 GList *layers = NULL;
691 return (vik_aggregate_layer_get_all_layers_of_type ( vlp->toplayer, layers, type, include_invisible));
694 VikAggregateLayer *vik_layers_panel_get_top_layer ( VikLayersPanel *vlp )
696 return vlp->toplayer;
699 void vik_layers_panel_clear ( VikLayersPanel *vlp )
701 if ( (! vik_aggregate_layer_is_empty(vlp->toplayer)) && a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), _("Are you sure you wish to delete all layers?"), NULL ) )
702 vik_aggregate_layer_clear ( vlp->toplayer ); /* simply deletes all layers */
705 void vik_layers_panel_change_coord_mode ( VikLayersPanel *vlp, VikCoordMode mode )
707 vik_layer_change_coord_mode ( VIK_LAYER(vlp->toplayer), mode );
710 static void layers_panel_finalize ( GObject *gob )
712 VikLayersPanel *vlp = VIK_LAYERS_PANEL ( gob );
713 g_object_unref ( VIK_LAYER(vlp->toplayer) );
714 g_object_unref ( G_OBJECT(vlp->popup_factory) );
715 G_OBJECT_CLASS(parent_class)->finalize(gob);
718 VikTreeview *vik_layers_panel_get_treeview ( VikLayersPanel *vlp )