.clang-format

# Copyright © SixtyFPS GmbH <info@slint.dev>
# SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0

---
# Webkit style was loosely based on the Qt style
BasedOnStyle: WebKit

Standard: "c++20"

# Column width is limited to 100 in accordance with Qt Coding Style.
# https://wiki.qt.io/Qt_Coding_Style
# Note that this may be changed at some point in the future.
ColumnLimit: 100
# How much weight do extra characters after the line length limit have.
# PenaltyExcessCharacter: 4

# Disable reflow of qdoc comments: indentation rules are different.
# Translation comments and SDPX-License-Identifiers either.
CommentPragmas: "^(!|:|\\s*[S]PDX-License-Identifier: )"

# We want a space between the type and the star for pointer types.
PointerBindsToType: false

# We use template< without space.
SpaceAfterTemplateKeyword: false

# We want to break before the operators, but not before a '='.
BreakBeforeBinaryOperators: NonAssignment

# Braces are usually attached, but not after functions or class declarations.
BreakBeforeBraces: Custom
BraceWrapping:
    AfterClass: true
    AfterControlStatement: Never
    AfterEnum: false
    AfterFunction: true
    AfterNamespace: false
    AfterObjCDeclaration: false
    AfterStruct: true
    AfterUnion: false
    BeforeCatch: false
    BeforeElse: false
    IndentBraces: false

# When constructor initializers do not fit on one line, put them each on a new line.
ConstructorInitializerAllOnOneLineOrOnePerLine: true
# Indent initializers by 4 spaces
ConstructorInitializerIndentWidth: 4

# Indent width for line continuations.
ContinuationIndentWidth: 8

# No indentation for namespaces.
NamespaceIndentation: None

# Allow indentation for preprocessing directives (if/ifdef/endif). https://reviews.llvm.org/rL312125
IndentPPDirectives: AfterHash

# Horizontally align arguments after an open bracket.
# The coding style does not specify the following, but this is what gives
# results closest to the existing code.
AlignAfterOpenBracket: "Align"
AlwaysBreakTemplateDeclarations: "Yes"

# Ideally we should also allow less short function in a single line, but
# clang-format does not handle that.
AllowShortFunctionsOnASingleLine: Inline

# The coding style specifies some include order categories, but also tells to
# separate categories with an empty line. It does not specify the order within
# the categories. Since the SortInclude feature of clang-format does not
# re-order includes separated by empty lines, the feature is not used.
SortIncludes: "Never"

# macros for which the opening brace stays attached.
ForEachMacros:
    [
        foreach,
        Q_FOREACH,
        BOOST_FOREACH,
        forever,
        Q_FOREVER,
        QBENCHMARK,
        QBENCHMARK_ONCE,
    ]

# Break constructor initializers before the colon and after the commas.
BreakConstructorInitializers: BeforeColon