gecko-dev/widget/gtk2/nsGtkUtils.h
2013-06-22 15:39:43 +02:00

25 lines
831 B
C++

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