fltk/.clang-format

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#
# clang-format control file for the FLTK project.
#
# Copyright 2017-2020 by Bill Spitzak and others.
#
# This library is free software. Distribution and use rights are outlined in
# the file "COPYING" which should have been included with this file. If this
# file is missing or damaged, see the license at:
#
# https://www.fltk.org/COPYING.php
#
# Please see the following page on how to report bugs and issues:
#
# https://www.fltk.org/bugs.php
#
#
# Important notes:
#
# This is a preliminary, experimental version of a clang-format control file.
# To use all options including embedded comments to switch formatting
# temporarily off and on in source files (see below) clang-format 3.6
# or later is required.
#
# DO NOT USE WITHOUT CHECKING THE RESULT OF FORMATTING FOR CORRECTNESS
# AND COMPATIBILITY WITH THE FLTK CMP!
#
# For more information about clang-format please refer to the online docs at:
# http://clang.llvm.org/docs/ClangFormat.html
# http://clang.llvm.org/docs/ClangFormatStyleOptions.html
#
# Embedded comments ("clang-format pragma's") in the source code:
# // clang-format off
# // clang-format on
# /* clang-format off */
# /* clang-format on */
# can be used to switch clang-format(ting) temporarily off in a source file.
# This is particularly useful for embedded pixmaps and other tables
# like menu arrays that are pre-formatted for better readability.
# The options used for FLTK are based on pre-defined style options of LLVM,
# which are also the default settings of clang-format.
# For a full list of LLVM settings please use
# clang-format -style=llvm -dump-config
# FLTK settings (currently experimental).
BasedOnStyle: LLVM
# The Language tag marks C++ options
# Language: Cpp
# The following options override the LLVM style definitions, if set.
# Uncomment one of the following option lines if indenting with tabs
# shall be used. Note: tab spacing is still 8 columns, tabs are only
# used for indents of 8 columns or more.
#
# Option "Always" seems to fail counting columns: comments may not be
# adjusted as expected (as of clang-format 3.6 and 3.8).
# This applies only if "AlignTrailingComments: true" is also set (default).
#
# UseTab can be set to 'Never' (default) or 'ForIndentation' to avoid
# this annoying bug of clang-format.
#
# UseTab: Always
UseTab: Never
# Should we extend code lines beyond 80 columns ?
# Default: 80
ColumnLimit: 120
# The FLTK CMP requires that case labels are indented (LLVM: false)
IndentCaseLabels: true
# There are sometimes more than 1 empty lines; should we keep 2 or more ?
# LLVM default is 1.
MaxEmptyLinesToKeep: 2
# Present FLTK source code contains some short blocks and if statements
# in one line, but we should better make it consistent and NOT use the
# following "Allow..." statements (leave them commented out):
#
# LLVM default values:
# AllowShortBlocksOnASingleLine: false
# AllowShortFunctionsOnASingleLine: All
# AllowShortIfStatementsOnASingleLine: false
# AllowShortLoopsOnASingleLine: false
#
# FLTK values:
# AllowShortBlocksOnASingleLine: true
# AllowShortIfStatementsOnASingleLine: true
# Short inline functions in header files are an exception to the above "rule":
AllowShortFunctionsOnASingleLine: Inline
# The following is particularly useful for macros with continuation lines.
# LLVM default: AlignEscapedNewlinesLeft: false
AlignEscapedNewlinesLeft: true
# Include files should be left as-is until we know we can sort them
# without any bad side effects (LLVM: true)
SortIncludes: false
# Multiple constructor initializers must be on consecutive lines:
BreakConstructorInitializersBeforeComma: true
# Constructor initializers will be indented by 2 spaces (LLVM: 4):
ConstructorInitializerIndentWidth: 2
# Continuation lines (if automatically wrapped) may be indented differently.
# This does not apply to function call arguments which are aligned to the
# opening bracket. LLVM (default): 4
# ContinuationIndentWidth: 2
# Most of FLTK's code uses 'void *p' as opposed to 'void* p'.
# This is particularly useful in combined declarations like:
# int var, var2, *pv, **pp;
# Note: clang-format uses "Right" in such combined declarations anyway,
# so to be consistent the best setting appears to be "Right".
# clang-format can try to derive the setting from code in the file, but this
# is error-prone and can lead to inconsistent settings in different files.
# Note: this also applies to references like 'int &w, int &h', for instance
# in function parameter lists.
DerivePointerAlignment: false
PointerAlignment: Right