1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim:expandtab:shiftwidth=4:tabstop=4: 3 */ 4 /* This Source Code Form is subject to the terms of the Mozilla Public 5 * License, v. 2.0. If a copy of the MPL was not distributed with this 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 7 8 #ifndef nsGtkUtils_h__ 9 #define nsGtkUtils_h__ 10 11 #include <glib.h> 12 13 // Some gobject functions expect functions for gpointer arguments. 14 // gpointer is void* but C++ doesn't like casting functions to void*. 15 template <class T> FuncToGpointer(T aFunction)16static inline gpointer FuncToGpointer(T aFunction) { 17 return reinterpret_cast<gpointer>( 18 reinterpret_cast<uintptr_t> 19 // This cast just provides a warning if T is not a function. 20 (reinterpret_cast<void (*)()>(aFunction))); 21 } 22 23 #endif // nsGtkUtils_h__ 24