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Diffstat (limited to 'layout/base/LayoutConstants.h')
| -rw-r--r-- | layout/base/LayoutConstants.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/layout/base/LayoutConstants.h b/layout/base/LayoutConstants.h new file mode 100644 index 0000000000..cd6e1c3f55 --- /dev/null +++ b/layout/base/LayoutConstants.h @@ -0,0 +1,31 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +/* constants used throughout the Layout module */ + +#ifndef LayoutConstants_h___ +#define LayoutConstants_h___ + +#include "nsSize.h" // for NS_MAXSIZE + +/** + * Constant used to indicate an unconstrained size. + */ +#define NS_UNCONSTRAINEDSIZE NS_MAXSIZE + +// NOTE: There are assumptions all over that these have the same value, +// namely NS_UNCONSTRAINEDSIZE. +#define NS_INTRINSICSIZE NS_UNCONSTRAINEDSIZE +#define NS_AUTOHEIGHT NS_UNCONSTRAINEDSIZE +#define NS_AUTOOFFSET NS_UNCONSTRAINEDSIZE + +// +1 is to avoid clamped huge margin values being processed as auto margins +#define NS_AUTOMARGIN (NS_UNCONSTRAINEDSIZE + 1) + +#define NS_INTRINSIC_WIDTH_UNKNOWN nscoord_MIN + + +#endif // LayoutConstants_h___ |