/******************************************************************************
* gtk_TreeStoreIsAncestor(tree, ancestor_path_string, descendant_path_string)-->TRUE or FALSE
******************************************************************************/
int
clip_GTK_TREESTOREISANCESTOR(ClipMachine * ClipMachineMemory)
{
C_object *cstree = _fetch_co_arg(ClipMachineMemory);
gchar *ancestor = _clip_parc(ClipMachineMemory, 2);
gchar *descendant = _clip_parc(ClipMachineMemory, 3);
GtkTreeIter aiter;
GtkTreeIter diter;
gboolean ret;
CHECKARG2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);
CHECKCOBJ(cstree, GTK_IS_TREE_STORE(cstree->object));
CHECKARG(2, CHARACTER_type_of_ClipVarType);
CHECKARG(3, CHARACTER_type_of_ClipVarType);
gtk_tree_model_get_iter(GTK_TREE_MODEL(GTK_TREE_STORE(cstree->object)), &aiter, gtk_tree_path_new_from_string(ancestor));
gtk_tree_model_get_iter(GTK_TREE_MODEL(GTK_TREE_STORE(cstree->object)), &diter, gtk_tree_path_new_from_string(descendant));
ret = gtk_tree_store_is_ancestor(GTK_TREE_STORE(cstree->object), &aiter, &diter);
_clip_retl(ClipMachineMemory, ret);
return 0;
err:
return 1;
}
static gboolean
update_kids (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
GtkTreeIter *parent)
{
if (gtk_tree_store_is_ancestor (GTK_TREE_STORE (model), parent, iter)) {
gboolean visible;
gtk_tree_model_get (model, parent,
LAYERS_VISIBILITY_COLUMN, &visible,
-1);
gtk_tree_store_set (GTK_TREE_STORE (model), iter,
LAYERS_ENABLE_COLUMN, visible,
-1);
}
return FALSE;
}
static VALUE
rg_ancestor_p(VALUE self, VALUE iter, VALUE descendant)
{
return gtk_tree_store_is_ancestor(_SELF(self), RVAL2GTKTREEITER(iter),
RVAL2GTKTREEITER(descendant));
}
static void bar_pane_keywords_dnd_receive(GtkWidget *tree_view, GdkDragContext *context,
gint x, gint y,
GtkSelectionData *selection_data, guint info,
guint time, gpointer data)
{
PaneKeywordsData *pkd = data;
GtkTreePath *tpath = NULL;
GtkTreeViewDropPosition pos;
GtkTreeModel *model;
GtkTreeModel *keyword_tree;
gboolean src_valid = FALSE;
GList *new_keywords = NULL;
GList *work;
/* iterators for keyword_tree */
GtkTreeIter src_kw_iter;
GtkTreeIter dest_kw_iter;
GtkTreeIter new_kw_iter;
g_signal_stop_emission_by_name(tree_view, "drag_data_received");
model = gtk_tree_view_get_model(GTK_TREE_VIEW(tree_view));
keyword_tree = gtk_tree_model_filter_get_model(GTK_TREE_MODEL_FILTER(model));
gtk_tree_view_get_dest_row_at_pos(GTK_TREE_VIEW(tree_view), x, y, &tpath, &pos);
gtk_tree_view_set_drag_dest_row(GTK_TREE_VIEW(tree_view), NULL, pos);
switch (info)
{
case TARGET_APP_KEYWORD_PATH:
{
GList *path = *(gpointer *)gtk_selection_data_get_data(selection_data);
src_valid = keyword_tree_get_iter(keyword_tree, &src_kw_iter, path);
string_list_free(path);
break;
}
default:
new_keywords = string_to_keywords_list((gchar *)gtk_selection_data_get_data(selection_data));
break;
}
if (tpath)
{
GtkTreeIter dest_iter;
gtk_tree_model_get_iter(model, &dest_iter, tpath);
gtk_tree_path_free(tpath);
gtk_tree_model_filter_convert_iter_to_child_iter(GTK_TREE_MODEL_FILTER(model), &dest_kw_iter, &dest_iter);
if (src_valid && gtk_tree_store_is_ancestor(GTK_TREE_STORE(keyword_tree), &src_kw_iter, &dest_kw_iter))
{
/* can't move to it's own child */
return;
}
if (src_valid && keyword_compare(keyword_tree, &src_kw_iter, &dest_kw_iter) == 0)
{
/* can't move to itself */
return;
}
if ((pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE || pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER) &&
!gtk_tree_model_iter_has_child(keyword_tree, &dest_kw_iter))
{
/* the node has no children, all keywords can be added */
gtk_tree_store_append(GTK_TREE_STORE(keyword_tree), &new_kw_iter, &dest_kw_iter);
}
else
{
if (src_valid && !bar_pane_keywords_dnd_can_move(keyword_tree, &src_kw_iter, &dest_kw_iter))
{
/* the keyword can't be moved if the same name already exist */
return;
}
if (new_keywords && !bar_pane_keywords_dnd_skip_existing(keyword_tree, &dest_kw_iter, &new_keywords))
{
/* the keywords can't be added if the same name already exist */
return;
}
switch (pos)
{
case GTK_TREE_VIEW_DROP_INTO_OR_BEFORE:
case GTK_TREE_VIEW_DROP_BEFORE:
gtk_tree_store_insert_before(GTK_TREE_STORE(keyword_tree), &new_kw_iter, NULL, &dest_kw_iter);
break;
case GTK_TREE_VIEW_DROP_INTO_OR_AFTER:
case GTK_TREE_VIEW_DROP_AFTER:
gtk_tree_store_insert_after(GTK_TREE_STORE(keyword_tree), &new_kw_iter, NULL, &dest_kw_iter);
break;
}
}
}
else
{
if (src_valid && !bar_pane_keywords_dnd_can_move(keyword_tree, &src_kw_iter, NULL))
{
/* the keyword can't be moved if the same name already exist */
return;
}
if (new_keywords && !bar_pane_keywords_dnd_skip_existing(keyword_tree, NULL, &new_keywords))
{
/* the keywords can't be added if the same name already exist */
return;
}
gtk_tree_store_append(GTK_TREE_STORE(keyword_tree), &new_kw_iter, NULL);
}
if (src_valid)
{
keyword_move_recursive(GTK_TREE_STORE(keyword_tree), &new_kw_iter, &src_kw_iter);
}
work = new_keywords;
while (work)
{
gchar *keyword = work->data;
keyword_set(GTK_TREE_STORE(keyword_tree), &new_kw_iter, keyword, TRUE);
work = work->next;
if (work)
{
GtkTreeIter add;
gtk_tree_store_insert_after(GTK_TREE_STORE(keyword_tree), &add, NULL, &new_kw_iter);
new_kw_iter = add;
}
}
string_list_free(new_keywords);
bar_keyword_tree_sync(pkd);
}
