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 { "/C_ut", NULL, (GtkItemFactoryCallback) vik_layers_panel_cut_selected, -1, "<StockItem>", GTK_STOCK_CUT },
54 { "/_Copy", NULL, (GtkItemFactoryCallback) vik_layers_panel_copy_selected, -1, "<StockItem>", GTK_STOCK_COPY },
55 { "/_Paste", NULL, (GtkItemFactoryCallback) vik_layers_panel_paste_selected, -1, "<StockItem>", GTK_STOCK_PASTE },
56 { "/_Delete", NULL, (GtkItemFactoryCallback) vik_layers_panel_delete_selected, -1, "<StockItem>", GTK_STOCK_DELETE },
57 { "/New Layer", NULL, NULL, -1, "<Branch>" },
60 #define NUM_BASE_ENTRIES 5
62 static void layers_item_toggled (VikLayersPanel *vlp, GtkTreeIter *iter);
63 static void layers_item_edited (VikLayersPanel *vlp, GtkTreeIter *iter, const gchar *new_text);
64 static void layers_popup_cb (VikLayersPanel *vlp);
65 static void layers_popup ( VikLayersPanel *vlp, GtkTreeIter *iter, gint mouse_button );
66 static gboolean layers_button_press_cb (VikLayersPanel *vlp, GdkEventButton *event);
67 static void layers_move_item ( VikLayersPanel *vlp, gboolean up );
68 static void layers_move_item_up ( VikLayersPanel *vlp );
69 static void layers_move_item_down ( VikLayersPanel *vlp );
70 static void layers_panel_finalize ( GObject *gob );
72 GType vik_layers_panel_get_type()
74 static GType vlp_type = 0;
78 static const GTypeInfo vlp_info =
80 sizeof (VikLayersPanelClass),
82 NULL, /* base_finalize */
83 (GClassInitFunc) layers_panel_class_init,
84 NULL, /* class_finalize */
85 NULL, /* class_data */
86 sizeof (VikLayersPanel),
88 (GInstanceInitFunc) layers_panel_init,
90 vlp_type = g_type_register_static ( GTK_TYPE_VBOX, "VikLayersPanel", &vlp_info, 0 );
96 static void layers_panel_class_init ( VikLayersPanelClass *klass )
98 GObjectClass *object_class;
100 object_class = G_OBJECT_CLASS (klass);
102 object_class->finalize = layers_panel_finalize;
104 parent_class = g_type_class_peek_parent (klass);
106 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);
109 VikLayersPanel *vik_layers_panel_new ()
111 return VIK_LAYERS_PANEL ( g_object_new ( VIK_LAYERS_PANEL_TYPE, NULL ) );
114 void vik_layers_panel_set_viewport ( VikLayersPanel *vlp, VikViewport *vvp )
117 /* TODO: also update GCs (?) */
120 VikViewport *vik_layers_panel_get_viewport ( VikLayersPanel *vlp )
125 static void layers_panel_init ( VikLayersPanel *vlp )
128 GtkWidget *upbutton, *upimage, *downbutton, *downimage;
129 GtkWidget *scrolledwindow;
130 GtkItemFactoryEntry entry;
135 hbox = gtk_hbox_new ( TRUE, 2 );
136 vlp->vt = vik_treeview_new ( );
138 vlp->toplayer = vik_aggregate_layer_new ();
139 vik_layer_rename ( VIK_LAYER(vlp->toplayer), "Top Layer");
140 g_signal_connect_swapped ( G_OBJECT(vlp->toplayer), "update", G_CALLBACK(vik_layers_panel_emit_update), vlp );
142 vik_treeview_add_layer ( vlp->vt, NULL, &(vlp->toplayer_iter), VIK_LAYER(vlp->toplayer)->name, NULL, vlp->toplayer, VIK_LAYER_AGGREGATE, VIK_LAYER_AGGREGATE );
143 vik_layer_realize ( VIK_LAYER(vlp->toplayer), vlp->vt, &(vlp->toplayer_iter) );
145 g_signal_connect_swapped ( vlp->vt, "popup_menu", G_CALLBACK(layers_popup_cb), vlp);
146 g_signal_connect_swapped ( vlp->vt, "button_press_event", G_CALLBACK(layers_button_press_cb), vlp);
147 g_signal_connect_swapped ( vlp->vt, "item_toggled", G_CALLBACK(layers_item_toggled), vlp);
148 g_signal_connect_swapped ( vlp->vt, "item_edited", G_CALLBACK(layers_item_edited), vlp);
150 upimage = gtk_image_new_from_stock ( GTK_STOCK_GO_UP, GTK_ICON_SIZE_BUTTON );
151 upbutton = gtk_button_new ( );
152 gtk_container_add ( GTK_CONTAINER(upbutton), upimage );
153 gtk_box_pack_start ( GTK_BOX(hbox), upbutton, TRUE, TRUE, 0 );
154 g_signal_connect_swapped ( G_OBJECT(upbutton), "clicked", G_CALLBACK(layers_move_item_up), vlp );
155 downimage = gtk_image_new_from_stock ( GTK_STOCK_GO_DOWN, GTK_ICON_SIZE_BUTTON );
156 downbutton = gtk_button_new ( );
157 gtk_container_add ( GTK_CONTAINER(downbutton), downimage );
158 gtk_box_pack_start ( GTK_BOX(hbox), downbutton, TRUE, TRUE, 0 );
159 g_signal_connect_swapped ( G_OBJECT(downbutton), "clicked", G_CALLBACK(layers_move_item_down), vlp );
161 scrolledwindow = gtk_scrolled_window_new ( NULL, NULL );
162 gtk_scrolled_window_set_policy ( GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC );
163 gtk_container_add ( GTK_CONTAINER(scrolledwindow), GTK_WIDGET(vlp->vt) );
165 gtk_box_pack_start ( GTK_BOX(vlp), scrolledwindow, TRUE, TRUE, 0 );
166 gtk_box_pack_start ( GTK_BOX(vlp), hbox, FALSE, FALSE, 0 );
168 vlp->popup_factory = gtk_item_factory_new ( GTK_TYPE_MENU, "<main>", NULL );
169 gtk_item_factory_create_items ( vlp->popup_factory, NUM_BASE_ENTRIES, base_entries, vlp );
170 for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ )
172 /* TODO: FIXME: if name has a '/' in it it will get all messed up. why not have an itemfactory field with
173 name, icon, shortcut, etc.? */
174 entry.path = g_strdup_printf("%s/New %s Layer", base_entries[NUM_BASE_ENTRIES-1].path, vik_layer_get_interface(i)->name );
175 entry.accelerator = NULL;
176 entry.callback = (GtkItemFactoryCallback) vik_layers_panel_new_layer;
177 entry.callback_action = i;
178 if ( vik_layer_get_interface(i)->icon )
180 entry.item_type = "<ImageItem>";
181 entry.extra_data = gdk_pixdata_serialize ( vik_layer_get_interface(i)->icon, &tmp );
184 entry.item_type = "<Item>";
186 gtk_item_factory_create_item ( vlp->popup_factory, &entry, vlp, 1 );
187 g_free ( (gpointer) entry.extra_data );
188 g_free ( entry.path );
192 void vik_layers_panel_emit_update ( VikLayersPanel *vlp )
194 g_signal_emit ( G_OBJECT(vlp), layers_panel_signals[VLP_UPDATE_SIGNAL], 0 );
197 static void layers_item_toggled (VikLayersPanel *vlp, GtkTreeIter *iter)
203 /* get type and data */
204 type = vik_treeview_item_get_type ( vlp->vt, iter );
205 p = vik_treeview_item_get_pointer ( vlp->vt, iter );
209 case VIK_TREEVIEW_TYPE_LAYER: visible = (VIK_LAYER(p)->visible ^= 1); break;
210 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;
214 vik_treeview_item_set_visible ( vlp->vt, iter, visible );
216 vik_layers_panel_emit_update ( vlp );
219 static void layers_item_edited (VikLayersPanel *vlp, GtkTreeIter *iter, const gchar *new_text)
221 if ( vik_treeview_item_get_type ( vlp->vt, iter ) == VIK_TREEVIEW_TYPE_LAYER )
225 /* get iter and layer */
226 l = VIK_LAYER ( vik_treeview_item_get_pointer ( vlp->vt, iter ) );
228 if ( strcmp ( l->name, new_text ) != 0 )
230 vik_layer_rename ( l, new_text );
231 vik_treeview_item_set_name ( vlp->vt, iter, l->name );
236 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 );
238 vik_treeview_item_set_name ( vlp->vt, iter, name);
242 static gboolean layers_button_press_cb ( VikLayersPanel *vlp, GdkEventButton *event )
244 if (event->button == 3)
247 if ( vik_treeview_get_iter_at_pos ( vlp->vt, &iter, event->x, event->y ) )
249 layers_popup ( vlp, &iter, 3 );
250 vik_treeview_item_select ( vlp->vt, &iter );
253 layers_popup ( vlp, NULL, 3 );
259 static void layers_popup ( VikLayersPanel *vlp, GtkTreeIter *iter, gint mouse_button )
261 GtkMenu *menu = NULL;
266 if ( vik_treeview_item_get_type ( vlp->vt, iter ) == VIK_TREEVIEW_TYPE_LAYER )
268 VikLayer *layer = VIK_LAYER(vik_treeview_item_get_pointer ( vlp->vt, iter ));
270 if ( layer->type == VIK_LAYER_AGGREGATE )
271 menu = GTK_MENU(gtk_item_factory_get_widget ( vlp->popup_factory, "<main>" ));
274 GtkWidget *del, *prop;
276 menu = GTK_MENU ( gtk_menu_new () );
278 prop = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PROPERTIES, NULL );
279 g_signal_connect_swapped ( G_OBJECT(prop), "activate", G_CALLBACK(vik_layers_panel_properties), vlp );
280 gtk_menu_shell_append (GTK_MENU_SHELL (menu), prop);
281 gtk_widget_show ( prop );
283 del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_CUT, NULL );
284 g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_cut_selected), vlp );
285 gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
286 gtk_widget_show ( del );
288 del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_COPY, NULL );
289 g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_copy_selected), vlp );
290 gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
291 gtk_widget_show ( del );
293 del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PASTE, NULL );
294 g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_paste_selected), vlp );
295 gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
296 gtk_widget_show ( del );
298 del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_DELETE, NULL );
299 g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_delete_selected), vlp );
300 gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
301 gtk_widget_show ( del );
303 vik_layer_add_menu_items ( layer, menu, vlp );
308 menu = GTK_MENU ( gtk_menu_new () );
309 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 ) )
311 gtk_widget_destroy ( GTK_WIDGET(menu) );
314 /* TODO: specific things for different types */
318 menu = GTK_MENU(gtk_item_factory_get_widget ( vlp->popup_factory, base_entries[NUM_BASE_ENTRIES-1].path ));
319 gtk_menu_popup ( menu, NULL, NULL, NULL, NULL, mouse_button, gtk_get_current_event_time() );
322 static void layers_popup_cb ( VikLayersPanel *vlp )
325 layers_popup ( vlp, vik_treeview_get_selected_iter ( vlp->vt, &iter ) ? &iter : NULL, 0 );
328 gboolean vik_layers_panel_new_layer ( VikLayersPanel *vlp, gint type )
331 g_assert ( vlp->vvp );
332 l = vik_layer_create ( type, vlp->vvp, VIK_GTK_WINDOW_FROM_WIDGET(vlp), TRUE );
335 vik_layers_panel_add_layer ( vlp, l );
336 vik_layers_panel_emit_update ( vlp );
342 void vik_layers_panel_add_layer ( VikLayersPanel *vlp, VikLayer *l )
345 GtkTreeIter *replace_iter = NULL;
347 /* could be something different so we have to do this */
348 vik_layer_change_coord_mode ( l, vik_viewport_get_coord_mode(vlp->vvp) );
350 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
351 vik_aggregate_layer_add_layer ( vlp->toplayer, l );
354 VikAggregateLayer *addtoagg;
355 if (vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
357 if ( ! IS_VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter )) ) {
358 addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
359 replace_iter = &iter;
362 addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter ));
366 /* a sublayer is selected, first get its parent (layer), then find the layer's parent (aggr. layer) */
367 VikLayer *vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
368 replace_iter = &(vl->iter);
369 g_assert ( vl->realized );
370 addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_parent ( vlp->vt, &(vl->iter) ) );
373 vik_aggregate_layer_insert_layer ( addtoagg, l, replace_iter );
375 vik_aggregate_layer_add_layer ( addtoagg, l );
379 static void layers_move_item ( VikLayersPanel *vlp, gboolean up )
382 VikAggregateLayer *parent;
384 /* TODO: deactivate the buttons and stuff */
385 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
388 vik_treeview_select_iter ( vlp->vt, &iter ); /* cancel any layer-name editing going on... */
390 if ( vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
392 parent = VIK_AGGREGATE_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
393 if ( parent ) /* not toplevel */
395 vik_aggregate_layer_move_layer ( parent, &iter, up );
396 vik_layers_panel_emit_update ( vlp );
401 gboolean vik_layers_panel_properties ( VikLayersPanel *vlp )
404 g_assert ( vlp->vvp );
406 if ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) && vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
408 if ( vik_treeview_item_get_data ( vlp->vt, &iter ) == VIK_LAYER_AGGREGATE )
409 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), "Aggregate Layers have no settable properties." );
410 vik_layer_properties ( VIK_LAYER( vik_treeview_item_get_pointer ( vlp->vt, &iter ) ), VIK_GTK_WINDOW_FROM_WIDGET(vlp->vt) );
417 void vik_layers_panel_draw_all ( VikLayersPanel *vlp )
419 if ( vlp->vvp && VIK_LAYER(vlp->toplayer)->visible )
420 vik_aggregate_layer_draw ( vlp->toplayer, vlp->vvp );
423 void vik_layers_panel_draw_all_using_viewport ( VikLayersPanel *vlp, VikViewport *vvp )
425 if ( vlp->vvp && VIK_LAYER(vlp->toplayer)->visible )
426 vik_aggregate_layer_draw ( vlp->toplayer, vvp );
429 void vik_layers_panel_cut_selected ( VikLayersPanel *vlp )
434 g_return_if_fail ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) );
436 type = vik_treeview_item_get_type ( vlp->vt, &iter );
438 if ( type == VIK_TREEVIEW_TYPE_LAYER )
440 VikAggregateLayer *parent = vik_treeview_item_get_parent ( vlp->vt, &iter );
443 a_clipboard_copy ( vlp );
444 if ( vik_aggregate_layer_delete ( parent, &iter ) )
445 vik_layers_panel_emit_update ( vlp );
448 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), "You cannot cut the Top Layer." );
452 void vik_layers_panel_copy_selected ( VikLayersPanel *vlp )
457 g_return_if_fail ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) );
459 type = vik_treeview_item_get_type ( vlp->vt, &iter );
461 if ( type == VIK_TREEVIEW_TYPE_LAYER ) {
462 a_clipboard_copy ( vlp );
466 void vik_layers_panel_paste_selected ( VikLayersPanel *vlp )
470 g_return_if_fail ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) );
471 a_clipboard_paste ( vlp );
474 void vik_layers_panel_delete_selected ( VikLayersPanel *vlp )
479 g_return_if_fail ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) );
481 type = vik_treeview_item_get_type ( vlp->vt, &iter );
483 if ( type == VIK_TREEVIEW_TYPE_LAYER )
485 VikAggregateLayer *parent = vik_treeview_item_get_parent ( vlp->vt, &iter );
488 if ( vik_aggregate_layer_delete ( parent, &iter ) )
489 vik_layers_panel_emit_update ( vlp );
492 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), "You cannot delete the Top Layer." );
494 else if (type == VIK_TREEVIEW_TYPE_SUBLAYER) {
495 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
496 if ( vik_layer_get_interface(sel->type)->delete_item ) {
497 vik_layer_get_interface(sel->type)->delete_item ( sel, type, vik_treeview_item_get_pointer(sel->vt, &iter) );
502 VikLayer *vik_layers_panel_get_selected ( VikLayersPanel *vlp )
504 GtkTreeIter iter, parent;
507 if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
510 type = vik_treeview_item_get_type ( vlp->vt, &iter );
512 while ( type != VIK_TREEVIEW_TYPE_LAYER )
514 if ( ! vik_treeview_item_get_parent_iter ( vlp->vt, &iter, &parent ) )
517 type = vik_treeview_item_get_type ( vlp->vt, &iter );
520 return VIK_LAYER( vik_treeview_item_get_pointer ( vlp->vt, &iter ) );
523 static void layers_move_item_up ( VikLayersPanel *vlp )
525 layers_move_item ( vlp, TRUE );
528 static void layers_move_item_down ( VikLayersPanel *vlp )
530 layers_move_item ( vlp, FALSE );
534 gboolean vik_layers_panel_tool ( VikLayersPanel *vlp, guint16 layer_type, VikToolInterfaceFunc tool_func, GdkEventButton *event, VikViewport *vvp )
536 VikLayer *vl = vik_layers_panel_get_selected ( vlp );
537 if ( vl && vl->type == layer_type )
539 tool_func ( vl, event, vvp );
542 else if ( VIK_LAYER(vlp->toplayer)->visible &&
543 vik_aggregate_layer_tool ( vlp->toplayer, layer_type, tool_func, event, vvp ) != 1 ) /* either accepted or rejected, but a layer was found */
549 VikLayer *vik_layers_panel_get_layer_of_type ( VikLayersPanel *vlp, gint type )
551 VikLayer *rv = vik_layers_panel_get_selected ( vlp );
552 if ( rv == NULL || rv->type != type )
553 if ( VIK_LAYER(vlp->toplayer)->visible )
554 return vik_aggregate_layer_get_top_visible_layer_of_type ( vlp->toplayer, type );
561 VikAggregateLayer *vik_layers_panel_get_top_layer ( VikLayersPanel *vlp )
563 return vlp->toplayer;
566 void vik_layers_panel_clear ( VikLayersPanel *vlp )
568 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 ) )
569 vik_aggregate_layer_clear ( vlp->toplayer ); /* simply deletes all layers */
572 void vik_layers_panel_change_coord_mode ( VikLayersPanel *vlp, VikCoordMode mode )
574 vik_layer_change_coord_mode ( VIK_LAYER(vlp->toplayer), mode );
577 static void layers_panel_finalize ( GObject *gob )
579 VikLayersPanel *vlp = VIK_LAYERS_PANEL ( gob );
580 g_object_unref ( VIK_LAYER(vlp->toplayer) );
581 g_object_unref ( G_OBJECT(vlp->popup_factory) );
582 G_OBJECT_CLASS(parent_class)->finalize(gob);