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Diffstat (limited to 'riscos/wimputils.h')
-rw-r--r-- | riscos/wimputils.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/riscos/wimputils.h b/riscos/wimputils.h new file mode 100644 index 000000000..5a6349b9f --- /dev/null +++ b/riscos/wimputils.h @@ -0,0 +1,38 @@ +/* + * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * NetSurf is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +/** \file + * A collection of grubby utilities for working with OSLib's wimp API. + */ + +#ifndef riscos_wimputils_h_ +#define riscos_wimputils_h_ + +#include <oslib/wimp.h> + +/* Magical union for working around strict aliasing + * Do not use this directly. Use the macros, instead. */ +typedef union window_open_state { + wimp_window_state state; + wimp_open open; +} window_open_state; + +/* Convert a pointer to a wimp_window_state into a pointer to a wimp_open */ +#define PTR_WIMP_OPEN(pstate) ((wimp_open *) (window_open_state *) (pstate)) + +#endif |