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
27 #include <glib/gi18n.h>
34 #define TREEVIEW_GET(model,iter,what,dest) gtk_tree_model_get(GTK_TREE_MODEL(model),(iter),(what),(dest),-1)
37 VT_ITEM_EDITED_SIGNAL,
38 VT_ITEM_TOGGLED_SIGNAL,
42 static guint treeview_signals[VT_LAST_SIGNAL] = { 0, 0 };
44 static GObjectClass *parent_class;
59 /* properties dialog, delete, rename, etc. */
67 GdkPixbuf *layer_type_icons[VIK_LAYER_NUM_TYPES];
70 /* TODO: find, make "static" and put up here all non-"a_" functions */
71 static void treeview_class_init ( VikTreeviewClass *klass );
72 static void treeview_init ( VikTreeview *vt );
73 static void treeview_finalize ( GObject *gob );
74 static void treeview_add_columns ( VikTreeview *vt );
76 static gboolean treeview_drag_data_received ( GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data );
77 static gboolean treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path );
79 GType vik_treeview_get_type (void)
81 static GType vt_type = 0;
85 static const GTypeInfo vt_info =
87 sizeof (VikTreeviewClass),
89 NULL, /* base_finalize */
90 (GClassInitFunc) treeview_class_init,
91 NULL, /* class_finalize */
92 NULL, /* class_data */
95 (GInstanceInitFunc) treeview_init,
97 vt_type = g_type_register_static ( GTK_TYPE_TREE_VIEW, "VikTreeview", &vt_info, 0 );
103 static void treeview_class_init ( VikTreeviewClass *klass )
106 GObjectClass *object_class;
108 object_class = G_OBJECT_CLASS (klass);
110 object_class->finalize = treeview_finalize;
112 parent_class = g_type_class_peek_parent (klass);
114 treeview_signals[VT_ITEM_EDITED_SIGNAL] = g_signal_new ( "item_edited", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (VikTreeviewClass, item_edited), NULL, NULL,
115 gtk_marshal_VOID__POINTER_POINTER, G_TYPE_NONE, 2, GTK_TYPE_POINTER, G_TYPE_POINTER);
116 /* VOID__UINT_POINTER: kinda hack-ish, but it works. */
118 treeview_signals[VT_ITEM_TOGGLED_SIGNAL] = g_signal_new ( "item_toggled", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (VikTreeviewClass, item_toggled), NULL, NULL,
119 g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, GTK_TYPE_POINTER );
122 static void treeview_edited_cb (GtkCellRendererText *cell, gchar *path_str, const gchar *new_name, VikTreeview *vt)
126 /* get type and data */
127 vik_treeview_get_iter_from_path_str ( vt, &iter, path_str );
129 g_signal_emit ( G_OBJECT(vt), treeview_signals[VT_ITEM_EDITED_SIGNAL], 0, &iter, new_name );
132 static void treeview_toggled_cb (GtkCellRendererToggle *cell, gchar *path_str, VikTreeview *vt)
136 /* get type and data */
137 vik_treeview_get_iter_from_path_str ( vt, &iter, path_str );
139 g_signal_emit ( G_OBJECT(vt),
140 treeview_signals[VT_ITEM_TOGGLED_SIGNAL], 0, &iter );
143 VikTreeview *vik_treeview_new ()
145 return VIK_TREEVIEW ( g_object_new ( VIK_TREEVIEW_TYPE, NULL ) );
148 gint vik_treeview_item_get_type ( VikTreeview *vt, GtkTreeIter *iter )
151 TREEVIEW_GET ( vt->model, iter, TYPE_COLUMN, &rv );
155 gint vik_treeview_item_get_data ( VikTreeview *vt, GtkTreeIter *iter )
158 TREEVIEW_GET ( vt->model, iter, ITEM_DATA_COLUMN, &rv );
162 gpointer vik_treeview_item_get_pointer ( VikTreeview *vt, GtkTreeIter *iter )
165 TREEVIEW_GET ( vt->model, iter, ITEM_POINTER_COLUMN, &rv );
169 void vik_treeview_item_set_pointer ( VikTreeview *vt, GtkTreeIter *iter, gpointer pointer )
171 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, ITEM_POINTER_COLUMN, pointer, -1 );
174 gpointer vik_treeview_item_get_parent ( VikTreeview *vt, GtkTreeIter *iter )
177 TREEVIEW_GET ( vt->model, iter, ITEM_PARENT_COLUMN, &rv );
181 gboolean vik_treeview_get_iter_from_path_str ( VikTreeview *vt, GtkTreeIter *iter, const gchar *path_str )
183 return gtk_tree_model_get_iter_from_string ( GTK_TREE_MODEL(vt->model), iter, path_str );
186 static void treeview_add_columns ( VikTreeview *vt )
189 GtkCellRenderer *renderer;
190 GtkTreeViewColumn *column;
193 renderer = gtk_cell_renderer_text_new ();
194 g_signal_connect (renderer, "edited",
195 G_CALLBACK (treeview_edited_cb), vt);
197 g_object_set (G_OBJECT (renderer), "xalign", 0.0, NULL);
199 col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt),
203 "editable", EDITABLE_COLUMN,
206 column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1);
207 gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
208 GTK_TREE_VIEW_COLUMN_AUTOSIZE);
209 gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
212 renderer = gtk_cell_renderer_pixbuf_new ();
214 g_object_set (G_OBJECT (renderer), "xalign", 0.5, NULL);
216 col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt),
222 column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1);
223 gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
224 GTK_TREE_VIEW_COLUMN_AUTOSIZE);
227 renderer = gtk_cell_renderer_toggle_new ();
228 g_object_set (G_OBJECT (renderer), "xalign", 0.5, NULL);
230 g_signal_connect (renderer, "toggled", G_CALLBACK (treeview_toggled_cb), vt);
232 col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt),
243 column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1);
244 gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
245 GTK_TREE_VIEW_COLUMN_AUTOSIZE);
249 static void select_cb(GtkTreeSelection *selection, gpointer data)
251 VikTreeview *vt = data;
253 GtkTreeIter iter, parent;
257 if (!gtk_tree_selection_get_selected(selection, NULL, &iter)) return;
258 type = vik_treeview_item_get_type( vt, &iter);
260 while ( type != VIK_TREEVIEW_TYPE_LAYER ) {
261 if ( ! vik_treeview_item_get_parent_iter ( vt, &iter, &parent ) )
264 type = vik_treeview_item_get_type (vt, &iter );
267 vl = VIK_LAYER( vik_treeview_item_get_pointer ( vt, &iter ) );
269 vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vl));
270 vik_window_selected_layer(vw, vl);
273 void treeview_init ( VikTreeview *vt )
277 vt->model = GTK_TREE_MODEL(gtk_tree_store_new ( NUM_COLUMNS, G_TYPE_STRING, G_TYPE_BOOLEAN, GDK_TYPE_PIXBUF, G_TYPE_INT, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_INT, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN ));
279 /* create tree view */
280 gtk_tree_view_set_model ( GTK_TREE_VIEW(vt), vt->model );
281 treeview_add_columns ( vt );
282 g_object_unref (vt->model);
284 gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (vt), TRUE);
285 gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)),
286 GTK_SELECTION_SINGLE);
288 /* Override treestore's dnd methods only; this is easier than deriving from GtkTreeStore.
289 * The downside is that all treestores will have this behavior, so this needs to be
290 * changed if we add more treeviews in the future. //Alex
293 GtkTreeDragSourceIface *isrc;
294 GtkTreeDragDestIface *idest;
296 isrc = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_SOURCE);
297 isrc->drag_data_delete = treeview_drag_data_delete;
299 idest = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_DEST);
300 idest->drag_data_received = treeview_drag_data_received;
303 for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ )
304 vt->layer_type_icons[i] = vik_layer_load_icon ( i ); /* if icon can't be loaded, it will be null and simply not be shown. */
306 gtk_tree_view_set_reorderable (GTK_TREE_VIEW(vt), TRUE);
307 g_signal_connect(gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)), "changed",
308 G_CALLBACK(select_cb), vt);
312 gboolean vik_treeview_item_get_parent_iter ( VikTreeview *vt, GtkTreeIter *iter, GtkTreeIter *parent )
314 return gtk_tree_model_iter_parent ( GTK_TREE_MODEL(vt->model), parent, iter );
317 gboolean vik_treeview_move_item ( VikTreeview *vt, GtkTreeIter *iter, gboolean up )
319 gint t = vik_treeview_item_get_type ( vt, iter );
320 if ( t == VIK_TREEVIEW_TYPE_LAYER )
322 GtkTreeIter switch_iter;
325 /* iter to path to iter */
326 GtkTreePath *path = gtk_tree_model_get_path ( vt->model, iter );
327 if ( !gtk_tree_path_prev ( path ) || !gtk_tree_model_get_iter ( vt->model, &switch_iter, path ) )
329 gtk_tree_path_free ( path );
332 gtk_tree_path_free ( path );
337 if ( !gtk_tree_model_iter_next ( vt->model, &switch_iter ) )
340 gtk_tree_store_swap ( GTK_TREE_STORE(vt->model), iter, &switch_iter );
342 /* now, the easy part. actually switching them, not the GUI */
343 } /* if item is map */
347 gboolean vik_treeview_get_iter_at_pos ( VikTreeview *vt, GtkTreeIter *iter, gint x, gint y )
350 gtk_tree_view_get_path_at_pos ( GTK_TREE_VIEW(vt), x, y, &path, NULL, NULL, NULL );
354 gtk_tree_model_get_iter (GTK_TREE_MODEL(vt->model), iter, path);
355 gtk_tree_path_free ( path );
359 void vik_treeview_select_iter ( VikTreeview *vt, GtkTreeIter *iter )
361 gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter );
364 gboolean vik_treeview_get_selected_iter ( VikTreeview *vt, GtkTreeIter *iter )
366 return gtk_tree_selection_get_selected ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), NULL, iter );
369 void vik_treeview_item_delete ( VikTreeview *vt, GtkTreeIter *iter )
371 gtk_tree_store_remove ( GTK_TREE_STORE(vt->model), iter );
374 /* Treeview Reform Project */
376 void vik_treeview_item_set_name ( VikTreeview *vt, GtkTreeIter *iter, const gchar *to )
378 g_return_if_fail ( iter != NULL && to != NULL );
379 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, to, -1);
382 void vik_treeview_item_set_visible ( VikTreeview *vt, GtkTreeIter *iter, gboolean to )
384 g_return_if_fail ( iter != NULL );
385 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, VISIBLE_COLUMN, to, -1 );
388 void vik_treeview_expand ( VikTreeview *vt, GtkTreeIter *iter )
391 path = gtk_tree_model_get_path ( vt->model, iter );
392 gtk_tree_view_expand_row ( GTK_TREE_VIEW(vt), path, FALSE );
393 gtk_tree_path_free ( path );
396 void vik_treeview_item_select ( VikTreeview *vt, GtkTreeIter *iter )
398 gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter );
401 void vik_treeview_add_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent,
402 gpointer item, gint data, gint icon_type )
404 g_assert ( iter != NULL );
405 g_assert ( icon_type < VIK_LAYER_NUM_TYPES );
406 gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter );
407 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE,
408 TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item,
409 ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE,
410 ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 );
413 void vik_treeview_insert_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent,
414 gpointer item, gint data, gint icon_type, GtkTreeIter *sibling )
416 g_assert ( iter != NULL );
417 g_assert ( icon_type < VIK_LAYER_NUM_TYPES );
419 gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, sibling );
421 gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter );
424 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE,
425 TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item,
426 ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE,
427 ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 );
430 void vik_treeview_add_sublayer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item,
431 gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable )
433 g_assert ( iter != NULL );
435 gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter );
436 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, TYPE_COLUMN, VIK_TREEVIEW_TYPE_SUBLAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, has_visible, EDITABLE_COLUMN, editable, ICON_COLUMN, icon, -1 );
440 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
442 void vik_treeview_sublayer_realphabetize ( VikTreeview *vt, GtkTreeIter *iter, const gchar *newname )
444 GtkTreeIter search_iter, parent_iter;
446 g_assert ( iter != NULL );
448 gtk_tree_model_iter_parent ( vt->model, &parent_iter, iter );
450 g_assert ( gtk_tree_model_iter_children ( vt->model, &search_iter, &parent_iter ) );
453 gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 );
454 if ( strcmp ( search_name, newname ) > 0 ) /* not >= or would trip on itself */
456 gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, &search_iter );
459 } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) );
461 gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, NULL );
464 void vik_treeview_add_sublayer_alphabetized
465 ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item,
466 gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable )
468 GtkTreeIter search_iter;
470 g_assert ( iter != NULL );
472 if ( gtk_tree_model_iter_children ( vt->model, &search_iter, parent_iter ) )
474 gboolean found_greater_string = FALSE;
476 gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 );
477 if ( strcmp ( search_name, name ) >= 0 )
479 gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, &search_iter );
480 found_greater_string = TRUE;
483 } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) );
485 if ( ! found_greater_string )
486 gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter );
489 gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter );
491 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, TYPE_COLUMN, VIK_TREEVIEW_TYPE_SUBLAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, has_visible, EDITABLE_COLUMN, editable, ICON_COLUMN, icon, -1 );
496 static void treeview_finalize ( GObject *gob )
498 VikTreeview *vt = VIK_TREEVIEW ( gob );
501 for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ )
502 if ( vt->layer_type_icons[i] != NULL )
503 g_object_unref ( G_OBJECT(vt->layer_type_icons[i]) );
505 G_OBJECT_CLASS(parent_class)->finalize(gob);
508 static gboolean treeview_drag_data_received (GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data)
510 GtkTreeModel *tree_model;
511 GtkTreeStore *tree_store;
512 GtkTreeModel *src_model = NULL;
513 GtkTreePath *src_path = NULL, *dest_cp = NULL;
514 gboolean retval = FALSE;
515 GtkTreeIter src_iter, root_iter, dest_iter, dest_parent;
520 g_return_val_if_fail (GTK_IS_TREE_STORE (drag_dest), FALSE);
522 tree_model = GTK_TREE_MODEL (drag_dest);
523 tree_store = GTK_TREE_STORE (drag_dest);
525 if (gtk_tree_get_row_drag_data (selection_data, &src_model, &src_path) && src_model == tree_model) {
527 * Copy src_path to dest. There are two subcases here, depending on what
530 * 1. src_path is a layer. In this case, interpret the drop
531 * as a request to move the layer to a different aggregate layer.
532 * If the destination is not an aggregate layer, use the first
535 * 2. src_path is a sublayer. In this case, find ancestors of
536 * both source and destination nodes who are full layers,
537 * and call the move method of that layer type.
540 if (!gtk_tree_model_get_iter (src_model, &src_iter, src_path)) {
543 if (!gtk_tree_path_compare(src_path, dest)) {
547 i_src = gtk_tree_path_get_indices (src_path);
548 dest_cp = gtk_tree_path_copy (dest);
550 gtk_tree_model_get_iter_first(tree_model, &root_iter);
551 TREEVIEW_GET(tree_model, &root_iter, ITEM_POINTER_COLUMN, &vl);
555 if (gtk_tree_path_get_depth(dest_cp)>1) { /* can't be sibling of top layer */
556 VikLayer *vl_src, *vl_dest;
558 /* Find the first ancestor that is a full layer, and store in dest_parent.
559 * In addition, put in dest_iter where Gtk wants us to insert the dragged object.
560 * (Note that this may end up being an invalid iter).
563 gtk_tree_path_up(dest_cp);
564 dest_iter = dest_parent;
565 gtk_tree_model_get_iter (src_model, &dest_parent, dest_cp);
566 } while (gtk_tree_path_get_depth(dest_cp)>1 &&
567 vik_treeview_item_get_type(vt, &dest_parent) != VIK_TREEVIEW_TYPE_LAYER);
570 g_assert ( vik_treeview_item_get_parent(vt, &src_iter) );
571 vl_src = vik_treeview_item_get_parent(vt, &src_iter);
572 vl_dest = vik_treeview_item_get_pointer(vt, &dest_parent);
574 /* TODO: might want to allow different types, and let the clients handle how they want */
575 if (vl_src->type == vl_dest->type && vik_layer_get_interface(vl_dest->type)->drag_drop_request) {
576 // g_print("moving an item from layer '%s' into layer '%s'\n", vl_src->name, vl_dest->name);
577 vik_layer_get_interface(vl_dest->type)->drag_drop_request(vl_src, vl_dest, &src_iter, dest);
584 gtk_tree_path_free(dest_cp);
586 gtk_tree_path_free (src_path);
592 * This may not be necessary.
594 static gboolean treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path )
596 gchar *s_dest = gtk_tree_path_to_string(path);
597 g_print(_("delete data from %s\n"), s_dest);