static gboolean bar_pane_keywords_dnd_can_move(GtkTreeModel *keyword_tree, GtkTreeIter *src_kw_iter, GtkTreeIter *dest_kw_iter)
{
gchar *src_name;
GtkTreeIter parent;
if (dest_kw_iter && keyword_same_parent(keyword_tree, src_kw_iter, dest_kw_iter))
{
return TRUE; /* reordering of siblings is ok */
}
if (!dest_kw_iter && !gtk_tree_model_iter_parent(keyword_tree, &parent, src_kw_iter))
{
return TRUE; /* reordering of top-level siblings is ok */
}
src_name = keyword_get_name(keyword_tree, src_kw_iter);
if (keyword_exists(keyword_tree, NULL, dest_kw_iter, src_name, FALSE, NULL))
{
g_free(src_name);
return FALSE;
}
g_free(src_name);
return TRUE;
}
void keyword_tree_set(GtkTreeModel *keyword_tree, GtkTreeIter *iter_ptr, GList **kw_list)
{
GtkTreeIter iter = *iter_ptr;
while (TRUE)
{
GtkTreeIter parent;
if (keyword_get_is_keyword(keyword_tree, &iter))
{
gchar *name = keyword_get_name(keyword_tree, &iter);
if (!find_string_in_list(*kw_list, name))
{
*kw_list = g_list_append(*kw_list, name);
}
else
{
g_free(name);
}
}
if (!gtk_tree_model_iter_parent(keyword_tree, &parent, &iter)) return;
iter = parent;
}
}
static void bar_pane_keywords_dnd_get(GtkWidget *tree_view, GdkDragContext *context,
GtkSelectionData *selection_data, guint info,
guint time, gpointer data)
{
GtkTreeIter iter;
GtkTreeModel *model;
GtkTreeIter child_iter;
GtkTreeModel *keyword_tree;
GtkTreeSelection *sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view));
if (!gtk_tree_selection_get_selected(sel, &model, &iter)) return;
keyword_tree = gtk_tree_model_filter_get_model(GTK_TREE_MODEL_FILTER(model));
gtk_tree_model_filter_convert_iter_to_child_iter(GTK_TREE_MODEL_FILTER(model), &child_iter, &iter);
switch (info)
{
case TARGET_APP_KEYWORD_PATH:
{
GList *path = keyword_tree_get_path(keyword_tree, &child_iter);
gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
8, (gpointer) &path, sizeof(path));
break;
}
case TARGET_TEXT_PLAIN:
default:
{
gchar *name = keyword_get_name(keyword_tree, &child_iter);
gtk_selection_data_set_text(selection_data, name, -1);
g_free(name);
}
break;
}
}
