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
28 #define TREEVIEW_GET(model,iter,what,dest) gtk_tree_model_get(GTK_TREE_MODEL(model),(iter),(what),(dest),-1)
31 VT_ITEM_EDITED_SIGNAL,
32 VT_ITEM_TOGGLED_SIGNAL,
36 static guint treeview_signals[VT_LAST_SIGNAL] = { 0, 0 };
38 static GObjectClass *parent_class;
53 /* properties dialog, delete, rename, etc. */
61 GdkPixbuf *layer_type_icons[VIK_LAYER_NUM_TYPES];
64 /* TODO: find, make "static" and put up here all non-"a_" functions */
65 static void treeview_class_init ( VikTreeviewClass *klass );
66 static void treeview_init ( VikTreeview *vt );
67 static void treeview_finalize ( GObject *gob );
68 static void treeview_add_columns ( VikTreeview *vt );
70 static gboolean treeview_drag_data_received ( GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data );
71 static gboolean treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path );
73 GType vik_treeview_get_type (void)
75 static GType vt_type = 0;
79 static const GTypeInfo vt_info =
81 sizeof (VikTreeviewClass),
83 NULL, /* base_finalize */
84 (GClassInitFunc) treeview_class_init,
85 NULL, /* class_finalize */
86 NULL, /* class_data */
89 (GInstanceInitFunc) treeview_init,
91 vt_type = g_type_register_static ( GTK_TYPE_TREE_VIEW, "VikTreeview", &vt_info, 0 );
97 static void treeview_class_init ( VikTreeviewClass *klass )
100 GObjectClass *object_class;
102 object_class = G_OBJECT_CLASS (klass);
104 object_class->finalize = treeview_finalize;
106 parent_class = g_type_class_peek_parent (klass);
108 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,
109 gtk_marshal_VOID__POINTER_POINTER, G_TYPE_NONE, 2, GTK_TYPE_POINTER, G_TYPE_POINTER);
110 /* VOID__UINT_POINTER: kinda hack-ish, but it works. */
112 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,
113 g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, GTK_TYPE_POINTER );
116 static void treeview_edited_cb (GtkCellRendererText *cell, gchar *path_str, const gchar *new_name, VikTreeview *vt)
120 /* get type and data */
121 vik_treeview_get_iter_from_path_str ( vt, &iter, path_str );
123 g_signal_emit ( G_OBJECT(vt), treeview_signals[VT_ITEM_EDITED_SIGNAL], 0, &iter, new_name );
126 static void treeview_toggled_cb (GtkCellRendererToggle *cell, gchar *path_str, VikTreeview *vt)
130 /* get type and data */
131 vik_treeview_get_iter_from_path_str ( vt, &iter, path_str );
133 g_signal_emit ( G_OBJECT(vt),
134 treeview_signals[VT_ITEM_TOGGLED_SIGNAL], 0, &iter );
137 VikTreeview *vik_treeview_new ()
139 return VIK_TREEVIEW ( g_object_new ( VIK_TREEVIEW_TYPE, NULL ) );
142 gint vik_treeview_item_get_type ( VikTreeview *vt, GtkTreeIter *iter )
145 TREEVIEW_GET ( vt->model, iter, TYPE_COLUMN, &rv );
149 gint vik_treeview_item_get_data ( VikTreeview *vt, GtkTreeIter *iter )
152 TREEVIEW_GET ( vt->model, iter, ITEM_DATA_COLUMN, &rv );
156 gpointer vik_treeview_item_get_pointer ( VikTreeview *vt, GtkTreeIter *iter )
159 TREEVIEW_GET ( vt->model, iter, ITEM_POINTER_COLUMN, &rv );
163 void vik_treeview_item_set_pointer ( VikTreeview *vt, GtkTreeIter *iter, gpointer pointer )
165 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, ITEM_POINTER_COLUMN, pointer, -1 );
168 gpointer vik_treeview_item_get_parent ( VikTreeview *vt, GtkTreeIter *iter )
171 TREEVIEW_GET ( vt->model, iter, ITEM_PARENT_COLUMN, &rv );
175 gboolean vik_treeview_get_iter_from_path_str ( VikTreeview *vt, GtkTreeIter *iter, const gchar *path_str )
177 return gtk_tree_model_get_iter_from_string ( GTK_TREE_MODEL(vt->model), iter, path_str );
180 static void treeview_add_columns ( VikTreeview *vt )
183 GtkCellRenderer *renderer;
184 GtkTreeViewColumn *column;
186 renderer = gtk_cell_renderer_text_new ();
187 g_signal_connect (renderer, "edited",
188 G_CALLBACK (treeview_edited_cb), vt);
190 g_object_set (G_OBJECT (renderer), "xalign", 0.0, NULL);
192 col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt),
196 "editable", EDITABLE_COLUMN,
199 column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1);
200 gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
201 GTK_TREE_VIEW_COLUMN_FIXED);
202 gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 100);
203 gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
204 gtk_tree_view_column_set_resizable (GTK_TREE_VIEW_COLUMN (column), TRUE);
206 renderer = gtk_cell_renderer_pixbuf_new ();
208 g_object_set (G_OBJECT (renderer), "xalign", 0.0, NULL);
210 col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt),
217 column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1);
218 gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 33);
219 gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
220 GTK_TREE_VIEW_COLUMN_FIXED);
221 gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
224 renderer = gtk_cell_renderer_toggle_new ();
225 g_object_set (G_OBJECT (renderer), "xalign", 0.0, NULL);
227 g_signal_connect (renderer, "toggled", G_CALLBACK (treeview_toggled_cb), vt);
229 col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt),
240 column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1);
241 gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 40);
242 gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
243 GTK_TREE_VIEW_COLUMN_FIXED);
244 gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
248 void treeview_init ( VikTreeview *vt )
252 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 ));
254 /* create tree view */
255 gtk_tree_view_set_model ( GTK_TREE_VIEW(vt), vt->model );
256 treeview_add_columns ( vt );
257 g_object_unref (vt->model);
259 gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (vt), TRUE);
260 gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)),
261 GTK_SELECTION_SINGLE);
263 /* Override treestore's dnd methods only; this is easier than deriving from GtkTreeStore.
264 * The downside is that all treestores will have this behavior, so this needs to be
265 * changed if we add more treeviews in the future. //Alex
268 GtkTreeDragSourceIface *isrc;
269 GtkTreeDragDestIface *idest;
271 isrc = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_SOURCE);
272 isrc->drag_data_delete = treeview_drag_data_delete;
274 idest = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_DEST);
275 idest->drag_data_received = treeview_drag_data_received;
278 for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ )
279 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. */
281 gtk_tree_view_set_reorderable (GTK_TREE_VIEW(vt), TRUE);
285 gboolean vik_treeview_item_get_parent_iter ( VikTreeview *vt, GtkTreeIter *iter, GtkTreeIter *parent )
287 return gtk_tree_model_iter_parent ( GTK_TREE_MODEL(vt->model), parent, iter );
290 gboolean vik_treeview_move_item ( VikTreeview *vt, GtkTreeIter *iter, gboolean up )
292 gint t = vik_treeview_item_get_type ( vt, iter );
293 if ( t == VIK_TREEVIEW_TYPE_LAYER )
295 GtkTreeIter switch_iter;
298 /* iter to path to iter */
299 GtkTreePath *path = gtk_tree_model_get_path ( vt->model, iter );
300 if ( !gtk_tree_path_prev ( path ) || !gtk_tree_model_get_iter ( vt->model, &switch_iter, path ) )
302 gtk_tree_path_free ( path );
305 gtk_tree_path_free ( path );
310 if ( !gtk_tree_model_iter_next ( vt->model, &switch_iter ) )
313 gtk_tree_store_swap ( GTK_TREE_STORE(vt->model), iter, &switch_iter );
315 /* now, the easy part. actually switching them, not the GUI */
316 } /* if item is map */
320 gboolean vik_treeview_get_iter_at_pos ( VikTreeview *vt, GtkTreeIter *iter, gint x, gint y )
323 gtk_tree_view_get_path_at_pos ( GTK_TREE_VIEW(vt), x, y, &path, NULL, NULL, NULL );
327 gtk_tree_model_get_iter (GTK_TREE_MODEL(vt->model), iter, path);
328 gtk_tree_path_free ( path );
332 void vik_treeview_select_iter ( VikTreeview *vt, GtkTreeIter *iter )
334 gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter );
337 gboolean vik_treeview_get_selected_iter ( VikTreeview *vt, GtkTreeIter *iter )
339 return gtk_tree_selection_get_selected ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), NULL, iter );
342 void vik_treeview_item_delete ( VikTreeview *vt, GtkTreeIter *iter )
344 gtk_tree_store_remove ( GTK_TREE_STORE(vt->model), iter );
347 /* Treeview Reform Project */
349 void vik_treeview_item_set_name ( VikTreeview *vt, GtkTreeIter *iter, const gchar *to )
351 g_return_if_fail ( iter != NULL && to != NULL );
352 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, to, -1);
355 void vik_treeview_item_set_visible ( VikTreeview *vt, GtkTreeIter *iter, gboolean to )
357 g_return_if_fail ( iter != NULL );
358 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, VISIBLE_COLUMN, to, -1 );
361 void vik_treeview_expand ( VikTreeview *vt, GtkTreeIter *iter )
364 path = gtk_tree_model_get_path ( vt->model, iter );
365 gtk_tree_view_expand_row ( GTK_TREE_VIEW(vt), path, FALSE );
366 gtk_tree_path_free ( path );
369 void vik_treeview_item_select ( VikTreeview *vt, GtkTreeIter *iter )
371 gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter );
374 void vik_treeview_add_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent,
375 gpointer item, gint data, gint icon_type )
377 g_assert ( iter != NULL );
378 g_assert ( icon_type < VIK_LAYER_NUM_TYPES );
379 gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter );
380 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE,
381 TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item,
382 ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE,
383 ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 );
386 void vik_treeview_insert_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent,
387 gpointer item, gint data, gint icon_type, GtkTreeIter *sibling )
389 g_assert ( iter != NULL );
390 g_assert ( icon_type < VIK_LAYER_NUM_TYPES );
392 gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, sibling );
394 gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter );
397 gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE,
398 TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item,
399 ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE,
400 ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 );
403 void vik_treeview_add_sublayer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item,
404 gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable )
406 g_assert ( iter != NULL );
408 gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter );
409 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 );
413 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
415 void vik_treeview_sublayer_realphabetize ( VikTreeview *vt, GtkTreeIter *iter, const gchar *newname )
417 GtkTreeIter search_iter, parent_iter;
419 g_assert ( iter != NULL );
421 gtk_tree_model_iter_parent ( vt->model, &parent_iter, iter );
423 g_assert ( gtk_tree_model_iter_children ( vt->model, &search_iter, &parent_iter ) );
426 gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 );
427 if ( strcmp ( search_name, newname ) > 0 ) /* not >= or would trip on itself */
429 gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, &search_iter );
432 } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) );
434 gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, NULL );
437 void vik_treeview_add_sublayer_alphabetized
438 ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item,
439 gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable )
441 GtkTreeIter search_iter;
443 g_assert ( iter != NULL );
445 if ( gtk_tree_model_iter_children ( vt->model, &search_iter, parent_iter ) )
447 gboolean found_greater_string = FALSE;
449 gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 );
450 if ( strcmp ( search_name, name ) >= 0 )
452 gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, &search_iter );
453 found_greater_string = TRUE;
456 } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) );
458 if ( ! found_greater_string )
459 gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter );
462 gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter );
464 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 );
469 static void treeview_finalize ( GObject *gob )
471 VikTreeview *vt = VIK_TREEVIEW ( gob );
474 for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ )
475 if ( vt->layer_type_icons[i] != NULL )
476 g_object_unref ( G_OBJECT(vt->layer_type_icons[i]) );
478 G_OBJECT_CLASS(parent_class)->finalize(gob);
481 static gboolean treeview_drag_data_received (GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data)
483 GtkTreeModel *tree_model;
484 GtkTreeStore *tree_store;
485 GtkTreeModel *src_model = NULL;
486 GtkTreePath *src_path = NULL, *dest_cp = NULL;
487 gboolean retval = FALSE;
488 GtkTreeIter src_iter, root_iter, dest_iter, dest_parent;
493 g_return_val_if_fail (GTK_IS_TREE_STORE (drag_dest), FALSE);
495 tree_model = GTK_TREE_MODEL (drag_dest);
496 tree_store = GTK_TREE_STORE (drag_dest);
498 if (gtk_tree_get_row_drag_data (selection_data, &src_model, &src_path) && src_model == tree_model) {
500 * Copy src_path to dest. There are two subcases here, depending on what
503 * 1. src_path is a layer. In this case, interpret the drop
504 * as a request to move the layer to a different aggregate layer.
505 * If the destination is not an aggregate layer, use the first
508 * 2. src_path is a sublayer. In this case, find ancestors of
509 * both source and destination nodes who are full layers,
510 * and call the move method of that layer type.
513 i_src = gtk_tree_path_get_indices (src_path);
514 dest_cp = gtk_tree_path_copy (dest);
516 gtk_tree_model_get_iter_first(tree_model, &root_iter);
517 TREEVIEW_GET(tree_model, &root_iter, ITEM_POINTER_COLUMN, &vl);
520 if (!gtk_tree_model_get_iter (src_model, &src_iter, src_path)) {
524 if (gtk_tree_path_get_depth(dest_cp)>1) { /* can't be sibling of top layer */
525 VikLayer *vl_src, *vl_dest;
527 /* Find the first ancestor that is a full layer, and store in dest_parent.
528 * In addition, put in dest_iter where Gtk wants us to insert the dragged object.
529 * (Note that this may end up being an invalid iter).
532 gtk_tree_path_up(dest_cp);
533 dest_iter = dest_parent;
534 gtk_tree_model_get_iter (src_model, &dest_parent, dest_cp);
535 } while (gtk_tree_path_get_depth(dest_cp)>1 &&
536 vik_treeview_item_get_type(vt, &dest_parent) != VIK_TREEVIEW_TYPE_LAYER);
539 g_assert ( vik_treeview_item_get_parent(vt, &src_iter) );
540 vl_src = vik_treeview_item_get_parent(vt, &src_iter);
541 vl_dest = vik_treeview_item_get_pointer(vt, &dest_parent);
543 /* TODO: might want to allow different types, and let the clients handle how they want */
544 if (vl_src->type == vl_dest->type && vik_layer_get_interface(vl_dest->type)->drag_drop_request) {
545 g_print("moving an item from layer '%s' into layer '%s'\n", vl_src->name, vl_dest->name);
546 vik_layer_get_interface(vl_dest->type)->drag_drop_request(vl_src, vl_dest, &src_iter, dest);
553 gtk_tree_path_free(dest_cp);
555 gtk_tree_path_free (src_path);
561 * This may not be necessary.
563 static gboolean treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path )
565 gchar *s_dest = gtk_tree_path_to_string(path);
566 g_print("delete data from %s\n", s_dest);