diff options
| author | Noel Grandin <noelgrandin@gmail.com> | 2018-01-21 13:22:51 +0200 |
|---|---|---|
| committer | Noel Grandin <noel.grandin@collabora.co.uk> | 2018-01-22 07:05:25 +0100 |
| commit | df9a20fc3fce72ab19e71f3b17c43b5cb97dc871 (patch) | |
| tree | d45c5ba3fd0c5449c7c009c63d4c55a80db7ba00 /vcl | |
| parent | 3b666f6819bb0230520bc724d5e33a7a349aa15c (diff) | |
improve RTL detection in TextEngine
the ubidi_getLogicalRun call returns a direction bool in bit 0,
so the old code would only have been correct for embedding level 0.
found by an up and coming loplugin.
Change-Id: I56658981fbd32caf0d961d47d76b668f1dd1b680
Reviewed-on: https://gerrit.libreoffice.org/48261
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Diffstat (limited to 'vcl')
| -rw-r--r-- | vcl/source/edit/textdat2.hxx | 6 | ||||
| -rw-r--r-- | vcl/source/edit/texteng.cxx | 11 |
2 files changed, 9 insertions, 8 deletions
diff --git a/vcl/source/edit/textdat2.hxx b/vcl/source/edit/textdat2.hxx index a69c718fd140..3c60509594d7 100644 --- a/vcl/source/edit/textdat2.hxx +++ b/vcl/source/edit/textdat2.hxx @@ -99,11 +99,11 @@ public: struct TEWritingDirectionInfo { - sal_uInt8 nType; + bool bLeftToRight; sal_Int32 nStartPos; sal_Int32 nEndPos; - TEWritingDirectionInfo( sal_uInt8 Type, sal_Int32 Start, sal_Int32 End ) - : nType {Type} + TEWritingDirectionInfo( bool LeftToRight, sal_Int32 Start, sal_Int32 End ) + : bLeftToRight {LeftToRight} , nStartPos {Start} , nEndPos {End} {} diff --git a/vcl/source/edit/texteng.cxx b/vcl/source/edit/texteng.cxx index ec57a36041a2..f8faf331ccf2 100644 --- a/vcl/source/edit/texteng.cxx +++ b/vcl/source/edit/texteng.cxx @@ -2778,7 +2778,8 @@ void TextEngine::ImpInitWritingDirections( sal_uInt32 nPara ) for ( long nIdx = 0; nIdx < nCount; ++nIdx ) { ubidi_getLogicalRun( pBidi, nStart, &nEnd, &nCurrDir ); - rInfos.emplace_back( nCurrDir, nStart, nEnd ); + // bit 0 of nCurrDir indicates direction + rInfos.emplace_back( /*bLeftToRight*/ nCurrDir % 2 == 0, nStart, nEnd ); nStart = nEnd; } @@ -2791,9 +2792,9 @@ void TextEngine::ImpInitWritingDirections( sal_uInt32 nPara ) } -sal_uInt8 TextEngine::ImpGetRightToLeft( sal_uInt32 nPara, sal_Int32 nPos ) +bool TextEngine::ImpGetRightToLeft( sal_uInt32 nPara, sal_Int32 nPos ) { - sal_uInt8 nRightToLeft = 0; + bool bRightToLeft = false; TextNode* pNode = mpDoc->GetNodes()[ nPara ]; if ( pNode && !pNode->GetText().isEmpty() ) @@ -2807,12 +2808,12 @@ sal_uInt8 TextEngine::ImpGetRightToLeft( sal_uInt32 nPara, sal_Int32 nPos ) { if ( rWritingDirectionInfo.nStartPos <= nPos && rWritingDirectionInfo.nEndPos >= nPos ) { - nRightToLeft = rWritingDirectionInfo.nType; + bRightToLeft = !rWritingDirectionInfo.bLeftToRight; break; } } } - return nRightToLeft; + return bRightToLeft; } long TextEngine::ImpGetPortionXOffset( sal_uInt32 nPara, TextLine const * pLine, std::size_t nTextPortion ) |