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Fixed the incorrect display on terminals without UTF-8 character encoding

This commit is contained in:
Markus Gans 2021-02-24 19:55:20 +01:00
parent 48a67c4eab
commit 59917ed126
4 changed files with 31 additions and 8 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
2021-02-24 Markus Gans <guru.mail@muenster.de>
* Fixed the incorrect display on terminals without
UTF-8 character encoding
2021-02-20 Markus Gans <guru.mail@muenster.de>
* Optimize terminal output buffer queue with differencing
for strings, and control characters and control sequences

2
scripts/xterm-latin1.sh
View File

@ -1,3 +1,3 @@
#!/bin/sh
luit -encoding POSIX ../examples/ui
luit -encoding C ../examples/ui $@

6
src/fterm_functions.cpp
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@ -513,7 +513,11 @@ std::size_t getColumnWidth (const wchar_t wchar)
column_width = wcwidth(wchar);
if ( (wchar >= UniChar::NF_rev_left_arrow2 && wchar <= UniChar::NF_check_mark)
|| ! hasFullWidthSupports() )
|| FTerm::getEncoding() != Encoding::UTF8 )
{
column_width = 1;
}
else if ( ! hasFullWidthSupports() )
{
column_width = std::min(column_width, 1);
}

27
test/fterm_functions-test.cpp
View File

@ -484,6 +484,8 @@ void FTermFunctionsTest::FullWidthHalfWidthTest()
CPPUNIT_ASSERT ( finalcut::getHalfWidth(L"ㄴ") == L"ﾤ" );
// Column width (wchar_t)
const auto& data = finalcut::FTerm::getFTermData();
data->setTermEncoding (finalcut::Encoding::UTF8);
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L"\t") == 0 );
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L"\r") == 0 );
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L"\n") == 0 );
@ -502,6 +504,21 @@ void FTermFunctionsTest::FullWidthHalfWidthTest()
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L"\U0000094d") == 0 );
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L"\U00000e37") == 0 );
// Column width (wchar_t) in latin-1
std::setlocale (LC_CTYPE, "C");
data->setTermEncoding (finalcut::Encoding::VT100);
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L'─') == 1 ); // wcwidth(L'─') == -1 (for LC_CTYPE = C)
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L'│') == 1 ); // wcwidth(L'│') == -1 (for LC_CTYPE = C)
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L'├') == 1 ); // wcwidth(L'├') == -1 (for LC_CTYPE = C)
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L'┤') == 1 ); // wcwidth(L'┤') == -1 (for LC_CTYPE = C)
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L'┼') == 1 ); // wcwidth(L'┼') == -1 (for LC_CTYPE = C)
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L'┐') == 1 ); // wcwidth(L'┐') == -1 (for LC_CTYPE = C)
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L'└') == 1 ); // wcwidth(L'└') == -1 (for LC_CTYPE = C)
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L'┌') == 1 ); // wcwidth(L'┌') == -1 (for LC_CTYPE = C)
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L'┘') == 1 ); // wcwidth(L'┘') == -1 (for LC_CTYPE = C)
std::setlocale (LC_CTYPE, "en_US.UTF-8");
data->setTermEncoding (finalcut::Encoding::UTF8);
// Column width (FString)
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L"\v\t 100") == 4 );
CPPUNIT_ASSERT ( finalcut::getColumnWidth(L"0123456789") == 10 );
@ -733,25 +750,25 @@ void FTermFunctionsTest::FullWidthHalfWidthTest()
std::copy(std::begin(s), std::end(s), std::begin(fchar.ch));
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 0 );
finalcut::addColumnWidth(fchar);
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 1 );
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 2 );
fchar.attr.bit.char_width = 0x00 & 0x03;
s = L"１";
std::copy(std::begin(s), std::end(s), std::begin(fchar.ch));
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 0 );
finalcut::addColumnWidth(fchar);
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 1 );
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 2 );
fchar.attr.bit.char_width = 0x00 & 0x03;
s = L"２";
std::copy(std::begin(s), std::end(s), std::begin(fchar.ch));
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 0 );
finalcut::addColumnWidth(fchar);
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 1 );
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 2 );
fchar.attr.bit.char_width = 0x00 & 0x03;
s = L"３";
std::copy(std::begin(s), std::end(s), std::begin(fchar.ch));
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 0 );
finalcut::addColumnWidth(fchar);
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 1 );
CPPUNIT_ASSERT ( finalcut::getColumnWidth(fchar) == 2 );
fchar.attr.bit.char_width = 0x00 & 0x03;
s = L"\U00000300";
std::copy(std::begin(s), std::end(s), std::begin(fchar.ch));
@ -779,8 +796,6 @@ void FTermFunctionsTest::FullWidthHalfWidthTest()
fchar.attr.bit.char_width = 0x00 & 0x03;
// Column width (FTermBuffer)
const auto& data = finalcut::FTerm::getFTermData();
data->setTermEncoding (finalcut::Encoding::UTF8);
finalcut::FTermBuffer term_buf{};
term_buf << L"\v\t 100";
CPPUNIT_ASSERT ( finalcut::getColumnWidth(term_buf) == 4 );