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ladybird/Userland/Libraries/LibWeb/Layout/TableCellBox.cpp

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Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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* SPDX-License-Identifier: BSD-2-Clause
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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*/
LibWeb: Rename directory LibHTML => LibWeb Let's rename this to LibWeb since it aims to provide more parts of the web platform than just HTML. :^)
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#include <LibWeb/DOM/Element.h>
LibWeb: Rename LayoutNode classes and move them into Layout namespace Bring the names of various boxes closer to spec language. This should hopefully make things easier to understand and hack on. :^) Some notable changes: - LayoutNode -> Layout::Node - LayoutBox -> Layout::Box - LayoutBlock -> Layout::BlockBox - LayoutReplaced -> Layout::ReplacedBox - LayoutDocument -> Layout::InitialContainingBlockBox - LayoutText -> Layout::TextNode - LayoutInline -> Layout::InlineNode Note that this is not strictly a "box tree" as we also hang inline/text nodes in the same tree, and they don't generate boxes. (Instead, they contribute line box fragments to their containing block!)
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#include <LibWeb/Layout/TableCellBox.h>
#include <LibWeb/Layout/TableRowBox.h>
LibHTML: Add stub classes for basic table layout This class introduces LayoutTable, LayoutTableRow and LayoutTableCell. These are produced by "display" values table, table-row and table-cell respectively. Note that there's no layout happening yet, I'm just adding the classes.
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LibWeb: Rename LayoutNode classes and move them into Layout namespace Bring the names of various boxes closer to spec language. This should hopefully make things easier to understand and hack on. :^) Some notable changes: - LayoutNode -> Layout::Node - LayoutBox -> Layout::Box - LayoutBlock -> Layout::BlockBox - LayoutReplaced -> Layout::ReplacedBox - LayoutDocument -> Layout::InitialContainingBlockBox - LayoutText -> Layout::TextNode - LayoutInline -> Layout::InlineNode Note that this is not strictly a "box tree" as we also hang inline/text nodes in the same tree, and they don't generate boxes. (Instead, they contribute line box fragments to their containing block!)
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namespace Web::Layout {
LibWeb: Move everything into the Web namespace
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LibWeb: Allow anonymous table, table-row and table-cell layout nodes
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TableCellBox::TableCellBox(DOM::Document& document, DOM::Element* element, NonnullRefPtr<CSS::StyleProperties> style)
LibWeb: Rename Layout::BlockBox => BlockContainer There's a subtle difference here. A "block box" in the spec is a block-level box, while a "block container" is a box whose children are either all inline-level boxes in an IFC, or all block-level boxes participating in a BFC. Notably, an "inline-block" box is a "block container" but not a "block box" since it is itself inline-level.
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: Layout::BlockContainer(document, element, move(style))
LibWeb: Allow anonymous table, table-row and table-cell layout nodes
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{
}
TableCellBox::TableCellBox(DOM::Document& document, DOM::Element* element, CSS::ComputedValues computed_values)
LibWeb: Rename Layout::BlockBox => BlockContainer There's a subtle difference here. A "block box" in the spec is a block-level box, while a "block container" is a box whose children are either all inline-level boxes in an IFC, or all block-level boxes participating in a BFC. Notably, an "inline-block" box is a "block container" but not a "block box" since it is itself inline-level.
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: Layout::BlockContainer(document, element, move(computed_values))
LibHTML: Add stub classes for basic table layout This class introduces LayoutTable, LayoutTableRow and LayoutTableCell. These are produced by "display" values table, table-row and table-cell respectively. Note that there's no layout happening yet, I'm just adding the classes.
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{
}
Libraries: Use default constructors/destructors in LibWeb https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
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TableCellBox::~TableCellBox() = default;
LibWeb: Move everything into the Web namespace
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LibWeb: Rename LayoutNode classes and move them into Layout namespace Bring the names of various boxes closer to spec language. This should hopefully make things easier to understand and hack on. :^) Some notable changes: - LayoutNode -> Layout::Node - LayoutBox -> Layout::Box - LayoutBlock -> Layout::BlockBox - LayoutReplaced -> Layout::ReplacedBox - LayoutDocument -> Layout::InitialContainingBlockBox - LayoutText -> Layout::TextNode - LayoutInline -> Layout::InlineNode Note that this is not strictly a "box tree" as we also hang inline/text nodes in the same tree, and they don't generate boxes. (Instead, they contribute line box fragments to their containing block!)
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size_t TableCellBox::colspan() const
LibWeb: Add LayoutTableCell::colspan() A convenient function for looking up a cell's colspan attribute.
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{
LibWeb: Allow anonymous table, table-row and table-cell layout nodes
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if (!dom_node())
LibWeb: Anonymous table cells should have colspan=1 Otherwise the column widths calculation algorithm will assert. Fixes #5078.
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return 1;
AK: Rename downcast<T> => verify_cast<T> This makes it much clearer what this cast actually does: it will VERIFY that the thing we're casting is a T (using is<T>()).
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return verify_cast<DOM::Element>(*dom_node()).attribute(HTML::AttributeNames::colspan).to_uint().value_or(1);
LibWeb: Add LayoutTableCell::colspan() A convenient function for looking up a cell's colspan attribute.
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}
LibWeb: Move everything into the Web namespace
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}
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