GTK+ Forums

void remove_selected_items ( GtkTreeView *treeview )
{
   GtkTreeSelection *selection = gtk_tree_view_get_selection ( treeview );
   GtkListStore *store;
   GtkTreeModel *model;
   GtkTreeIter iter;
   
   if (gtk_tree_selection_count_selected_rows(selection) == 0)
      return;
   
   GList *list = gtk_tree_selection_get_selected_rows( selection, &model );
   store = GTK_LIST_STORE ( model );
   
   int nRemoved = 0;
   while(list) {
      int ipath = atoi(gtk_tree_path_to_string(list->data));
      ipath-=nRemoved;
      GString *fixed_path = g_string_new("");
      g_string_printf(fixed_path, "%d", ipath);
      
      GtkTreePath *path = gtk_tree_path_new_from_string(fixed_path->str);
      g_string_free(fixed_path, TRUE);
      
      if (path) {
         //g_printf("%d\n", ipath);
         if ( gtk_tree_model_get_iter ( model, &iter, path) ) { // get iter from specified path
            gtk_list_store_remove ( store, &iter ); // remove item
            nRemoved++;   
         }
         else { // invalid path
            g_error("Error!!!\n");
         }
         gtk_tree_path_free (path);
      }
      else {
         g_error("Error!!!\n");
      }
      list = list->next;
   }
   g_list_foreach (list, (GFunc)gtk_tree_path_free, NULL);
   g_list_free (list);
}

void
on_btnRemoveSelectedItems_clicked (GtkButton *button, gpointer user_data)
{
   /*=====================================
   * This is optional. Depends on how you are using this code. */
   GtkTreeView *treeview = GTK_TREE_VIEW (lookup_widget ( myWindow, "myTreeView" ));
   /*=====================================*/

   // send a reference of your tree view
   remove_selected_items ( treeview );
}

GtkTreeSelection *selection = gtk_tree_view_get_selection ( GTK_TREE_VIEW(treeview) );
gtk_tree_selection_set_mode ( selection, GTK_SELECTION_MULTIPLE );