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45 lines
1.1 KiB
45 lines
1.1 KiB
/* $XFree86: xc/programs/xterm/wcwidth.character,v 1.3 2001/07/29 22:08:16 tsi Exp $ */
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/*
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* This is an implementation of wcwidth() and wcswidth() as defined in
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* "The Single UNIX Specification, Version 2, The Open Group, 1997"
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* <http://www.UNIX-systems.org/online.html>
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*
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* Markus Kuhn -- 2001-01-12 -- public domain
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*/
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#include <QString>
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#ifdef HAVE_UTF8PROC
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#include <utf8proc.h>
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#else
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#include <cwchar>
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#endif
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#include "konsole_wcwidth.h"
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int konsole_wcwidth(wchar_t ucs)
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{
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#ifdef HAVE_UTF8PROC
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utf8proc_category_t cat = utf8proc_category( ucs );
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if (cat == UTF8PROC_CATEGORY_CO) {
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// Co: Private use area. libutf8proc makes them zero width, while tmux
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// assumes them to be width 1, and glibc's default width is also 1
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return 1;
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}
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return utf8proc_charwidth( ucs );
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#else
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return wcwidth( ucs );
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#endif
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}
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// single byte char: +1, multi byte char: +2
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int string_width( const QString & txt )
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{
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int w = 0;
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std::wstring wstr = txt.toStdWString();
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for ( size_t i = 0; i < wstr.length(); ++i ) {
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w += konsole_wcwidth( wstr[ i ] );
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}
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return w;
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}
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