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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/generic/ColumnUtils.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/generic/ColumnUtils.h')
-rw-r--r-- | layout/generic/ColumnUtils.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/layout/generic/ColumnUtils.h b/layout/generic/ColumnUtils.h new file mode 100644 index 0000000000..15fa0efca5 --- /dev/null +++ b/layout/generic/ColumnUtils.h @@ -0,0 +1,39 @@ +/* -*- 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/. */ + +/* A namespace class for static muti-column utilities. */ + +#ifndef mozilla_ColumnUtils_h +#define mozilla_ColumnUtils_h + +#include "nsCoord.h" +#include "nsStyleConsts.h" + +class nsContainerFrame; + +namespace mozilla { + +// ColumnUtils is a namespace class containing utility functions used by +// multi-column containers like ColumnSetWrapperFrame and nsColumnSetFrame. +// +class ColumnUtils final { + public: + // Compute used value of 'column-gap' for aFrame. + static nscoord GetColumnGap(const nsContainerFrame* aFrame, + nscoord aPercentageBasis); + + // Clamp used column width to a minimum of 1px. + static nscoord ClampUsedColumnWidth(const Length& aColumnWidth); + + // Compute the intrinsic inline-size of a column container, given a non-zero + // column-count, column gap, and column box's inline-size. + static nscoord IntrinsicISize(uint32_t aColCount, nscoord aColGap, + nscoord aColISize); +}; + +} // namespace mozilla + +#endif // mozilla_ColumnUtils_h |