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
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);
36 static guint layers_panel_signals[VLP_LAST_SIGNAL] = { 0 };
38 static GObjectClass *parent_class;
40 struct _VikLayersPanel {
43 VikAggregateLayer *toplayer;
44 GtkTreeIter toplayer_iter;
47 VikViewport *vvp; /* reference */
49 GtkItemFactory *popup_factory;
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>" },
57 #define NUM_BASE_ENTRIES 2
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 );
69 GType vik_layers_panel_get_type()
71 static GType vlp_type = 0;
75 static const GTypeInfo vlp_info =
77 sizeof (VikLayersPanelClass),
79 NULL, /* base_finalize */
80 (GClassInitFunc) layers_panel_class_init,
81 NULL, /* class_finalize */
82 NULL, /* class_data */
83 sizeof (VikLayersPanel),
85 (GInstanceInitFunc) layers_panel_init,
87 vlp_type = g_type_register_static ( GTK_TYPE_VBOX, "VikLayersPanel", &vlp_info, 0 );
93 static void layers_panel_class_init ( VikLayersPanelClass *klass )
95 GObjectClass *object_class;
97 object_class = G_OBJECT_CLASS (klass);
99 object_class->finalize = layers_panel_finalize;
101 parent_class = g_type_class_peek_parent (klass);
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);
106 VikLayersPanel *vik_layers_panel_new ()
108 return VIK_LAYERS_PANEL ( g_object_new ( VIK_LAYERS_PANEL_TYPE, NULL ) );
111 void vik_layers_panel_set_viewport ( VikLayersPanel *vlp, VikViewport *vvp )
114 /* TODO: also update GCs (?) */
117 VikViewport *vik_layers_panel_get_viewport ( VikLayersPanel *vlp )
122 static void layers_panel_init ( VikLayersPanel *vlp )
125 GtkWidget *upbutton, *upimage, *downbutton, *downimage;
126 GtkWidget *scrolledwindow;
127 GtkItemFactoryEntry entry;
132 hbox = gtk_hbox_new ( TRUE, 2 );
133 vlp->vt = vik_treeview_new ( );
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 );
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) );
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);
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 );
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) );
162 gtk_box_pack_start ( GTK_BOX(vlp), scrolledwindow, TRUE, TRUE, 0 );
163 gtk_box_pack_start ( GTK_BOX(vlp), hbox, FALSE, FALSE, 0 );
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++ )
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 )
177 entry.item_type = "<ImageItem>";
178 entry.extra_data = gdk_pixdata_serialize ( vik_layer_get_interface(i)->icon, &tmp );
181 entry.item_type = "<Item>";
183 gtk_item_factory_create_item ( vlp->popup_factory, &entry, vlp, 1 );
184 g_free ( (gpointer) entry.extra_data );
185 g_free ( entry.path );
189 void vik_layers_panel_emit_update ( VikLayersPanel *vlp )
191 g_signal_emit ( G_OBJECT(vlp), layers_panel_signals[VLP_UPDATE_SIGNAL], 0 );
194 static void layers_item_toggled (VikLayersPanel *vlp, GtkTreeIter *iter)
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 );
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;
211 vik_treeview_item_set_visible ( vlp->vt, iter, visible );
213 vik_layers_panel_emit_update ( vlp );
216 static void layers_item_edited (VikLayersPanel *vlp, GtkTreeIter *iter, const gchar *new_text)
218 if ( vik_treeview_item_get_type ( vlp->vt, iter ) == VIK_TREEVIEW_TYPE_LAYER )
222 /* get iter and layer */
223 l = VIK_LAYER ( vik_treeview_item_get_pointer ( vlp->vt, iter ) );
225 if ( strcmp ( l->name, new_text ) != 0 )
227 vik_layer_rename ( l, new_text );
228 vik_treeview_item_set_name ( vlp->vt, iter, l->name );
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 );
235 vik_treeview_item_set_name ( vlp->vt, iter, name);
239 static gboolean layers_button_press_cb ( VikLayersPanel *vlp, GdkEventButton *event )
241 if (event->button == 3)
244 if ( vik_treeview_get_iter_at_pos ( vlp->vt, &iter, event->x, event->y ) )
246 layers_popup ( vlp, &iter, 3 );
247 vik_treeview_item_select ( vlp->vt, &iter );
250 layers_popup ( vlp, NULL, 3 );
256 static void layers_popup ( VikLayersPanel *vlp, GtkTreeIter *iter, gint mouse_button )
258 GtkMenu *menu = NULL;
263 if ( vik_treeview_item_get_type ( vlp->vt, iter ) == VIK_TREEVIEW_TYPE_LAYER )
265 VikLayer *layer = VIK_LAYER(vik_treeview_item_get_pointer ( vlp->vt, iter ));
267 if ( layer->type == VIK_LAYER_AGGREGATE )
268 menu = GTK_MENU(gtk_item_factory_get_widget ( vlp->popup_factory, "<main>" ));
271 GtkWidget *del, *prop;
273 menu = GTK_MENU ( gtk_menu_new () );
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 );
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 );
285 vik_layer_add_menu_items ( layer, menu, vlp );
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 ) )
293 gtk_widget_destroy ( GTK_WIDGET(menu) );
296 /* TODO: copy, paste, specific things for different types */
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() );
304 static void layers_popup_cb ( VikLayersPanel *vlp )
307 layers_popup ( vlp, vik_treeview_get_selected_iter ( vlp->vt, &iter ) ? &iter : NULL, 0 );
310 gboolean vik_layers_panel_new_layer ( VikLayersPanel *vlp, gint type )
313 g_assert ( vlp->vvp );
314 l = vik_layer_create ( type, vlp->vvp, VIK_GTK_WINDOW_FROM_WIDGET(vlp), TRUE );
317 vik_layers_panel_add_layer ( vlp, l );
318 vik_layers_panel_emit_update ( vlp );
324 void vik_layers_panel_add_layer ( VikLayersPanel *vlp, VikLayer *l )
327 GtkTreeIter *replace_iter = NULL;
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) );
332 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
333 vik_aggregate_layer_add_layer ( vlp->toplayer, l );
336 VikAggregateLayer *addtoagg;
337 if (vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
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;
344 addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter ));
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) ) );
355 vik_aggregate_layer_insert_layer ( addtoagg, l, replace_iter );
357 vik_aggregate_layer_add_layer ( addtoagg, l );
361 static void layers_move_item ( VikLayersPanel *vlp, gboolean up )
364 VikAggregateLayer *parent;
366 /* TODO: deactivate the buttons and stuff */
367 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
370 vik_treeview_select_iter ( vlp->vt, &iter ); /* cancel any layer-name editing going on... */
372 if ( vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
374 parent = VIK_AGGREGATE_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
375 if ( parent ) /* not toplevel */
377 vik_aggregate_layer_move_layer ( parent, &iter, up );
378 vik_layers_panel_emit_update ( vlp );
383 gboolean vik_layers_panel_properties ( VikLayersPanel *vlp )
386 g_assert ( vlp->vvp );
388 if ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) && vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
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) );
399 void vik_layers_panel_draw_all ( VikLayersPanel *vlp )
401 if ( vlp->vvp && VIK_LAYER(vlp->toplayer)->visible )
402 vik_aggregate_layer_draw ( vlp->toplayer, vlp->vvp );
405 void vik_layers_panel_draw_all_using_viewport ( VikLayersPanel *vlp, VikViewport *vvp )
407 if ( vlp->vvp && VIK_LAYER(vlp->toplayer)->visible )
408 vik_aggregate_layer_draw ( vlp->toplayer, vvp );
411 void vik_layers_panel_delete_selected ( VikLayersPanel *vlp )
416 g_return_if_fail ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) );
418 type = vik_treeview_item_get_type ( vlp->vt, &iter );
420 if ( type == VIK_TREEVIEW_TYPE_LAYER )
422 VikAggregateLayer *parent = vik_treeview_item_get_parent ( vlp->vt, &iter );
425 if ( vik_aggregate_layer_delete ( parent, &iter ) )
426 vik_layers_panel_emit_update ( vlp );
429 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), "You cannot delete the Top Layer." );
433 VikLayer *vik_layers_panel_get_selected ( VikLayersPanel *vlp )
435 GtkTreeIter iter, parent;
438 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
441 type = vik_treeview_item_get_type ( vlp->vt, &iter );
443 while ( type != VIK_TREEVIEW_TYPE_LAYER )
445 if ( ! vik_treeview_item_get_parent_iter ( vlp->vt, &iter, &parent ) )
448 type = vik_treeview_item_get_type ( vlp->vt, &iter );
451 return VIK_LAYER( vik_treeview_item_get_pointer ( vlp->vt, &iter ) );
454 static void layers_move_item_up ( VikLayersPanel *vlp )
456 layers_move_item ( vlp, TRUE );
459 static void layers_move_item_down ( VikLayersPanel *vlp )
461 layers_move_item ( vlp, FALSE );
465 gboolean vik_layers_panel_tool ( VikLayersPanel *vlp, guint16 layer_type, VikToolInterfaceFunc tool_func, GdkEventButton *event, VikViewport *vvp )
467 VikLayer *vl = vik_layers_panel_get_selected ( vlp );
468 if ( vl && vl->type == layer_type )
470 tool_func ( vl, event, vvp );
473 else if ( VIK_LAYER(vlp->toplayer)->visible &&
474 vik_aggregate_layer_tool ( vlp->toplayer, layer_type, tool_func, event, vvp ) != 1 ) /* either accepted or rejected, but a layer was found */
480 VikLayer *vik_layers_panel_get_layer_of_type ( VikLayersPanel *vlp, gint type )
482 VikLayer *rv = vik_layers_panel_get_selected ( vlp );
483 if ( rv == NULL || rv->type != type )
484 if ( VIK_LAYER(vlp->toplayer)->visible )
485 return vik_aggregate_layer_get_top_visible_layer_of_type ( vlp->toplayer, type );
492 VikAggregateLayer *vik_layers_panel_get_top_layer ( VikLayersPanel *vlp )
494 return vlp->toplayer;
497 void vik_layers_panel_clear ( VikLayersPanel *vlp )
499 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 ) )
500 vik_aggregate_layer_clear ( vlp->toplayer ); /* simply deletes all layers */
503 void vik_layers_panel_change_coord_mode ( VikLayersPanel *vlp, VikCoordMode mode )
505 vik_layer_change_coord_mode ( VIK_LAYER(vlp->toplayer), mode );
508 static void layers_panel_finalize ( GObject *gob )
510 VikLayersPanel *vlp = VIK_LAYERS_PANEL ( gob );
511 g_object_unref ( VIK_LAYER(vlp->toplayer) );
512 g_object_unref ( G_OBJECT(vlp->popup_factory) );
513 G_OBJECT_CLASS(parent_class)->finalize(gob);