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Diffstat (limited to 'svtools/source/edit/editsyntaxhighlighter.cxx')
| -rw-r--r-- | svtools/source/edit/editsyntaxhighlighter.cxx | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/svtools/source/edit/editsyntaxhighlighter.cxx b/svtools/source/edit/editsyntaxhighlighter.cxx new file mode 100644 index 000000000..b32d80e1a --- /dev/null +++ b/svtools/source/edit/editsyntaxhighlighter.cxx @@ -0,0 +1,180 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <vcl/event.hxx> +#include <vcl/xtextedt.hxx> +#include <vcl/textview.hxx> +#include <svtools/editsyntaxhighlighter.hxx> +#include <vcl/txtattr.hxx> + +MultiLineEditSyntaxHighlight::MultiLineEditSyntaxHighlight( vcl::Window* pParent, WinBits nWinStyle, + HighlighterLanguage aLanguage): VclMultiLineEdit(pParent,nWinStyle), aHighlighter(aLanguage) +{ + EnableUpdateData(300); +} + +void MultiLineEditSyntaxHighlight::SetText(const OUString& rNewText) +{ + VclMultiLineEdit::SetText(rNewText); + UpdateData(); +} + +void MultiLineEditSyntaxHighlight::DoBracketHilight(sal_uInt16 nKey) +{ + TextSelection aCurrentPos = GetTextView()->GetSelection(); + sal_Int32 nStartPos = aCurrentPos.GetStart().GetIndex(); + const sal_uInt32 nStartPara = aCurrentPos.GetStart().GetPara(); + sal_uInt16 nCount = 0; + int nChar = -1; + + switch (nKey) + { + case '\'': // no break + case '"': + { + nChar = nKey; + break; + } + case '}' : + { + nChar = '{'; + break; + } + case ')': + { + nChar = '('; + break; + } + case ']': + { + nChar = '['; + break; + } + } + + if (nChar == -1) + return; + + sal_uInt32 nPara = nStartPara; + do + { + if (nPara == nStartPara && nStartPos == 0) + continue; + + OUString aLine( GetTextEngine()->GetText( nPara ) ); + + if (aLine.isEmpty()) + continue; + + for (sal_Int32 i = (nPara==nStartPara) ? nStartPos-1 : aLine.getLength()-1; i>0; --i) + { + if (aLine[i] == nChar) + { + if (!nCount) + { + GetTextEngine()->SetAttrib( TextAttribFontWeight( WEIGHT_ULTRABOLD ), nPara, i, i+1 ); + GetTextEngine()->SetAttrib( TextAttribFontColor( Color(0,0,0) ), nPara, i, i+1 ); + GetTextEngine()->SetAttrib( TextAttribFontWeight( WEIGHT_ULTRABOLD ), nStartPara, nStartPos, nStartPos ); + GetTextEngine()->SetAttrib( TextAttribFontColor( Color(0,0,0) ), nStartPara, nStartPos, nStartPos ); + return; + } + else + --nCount; + } + if (aLine[i] == nKey) + ++nCount; + } + } while (nPara--); +} + +bool MultiLineEditSyntaxHighlight::PreNotify( NotifyEvent& rNEvt ) +{ + if ( rNEvt.GetType() == MouseNotifyEvent::KEYINPUT ) + DoBracketHilight(rNEvt.GetKeyEvent()->GetCharCode()); + + return VclMultiLineEdit::PreNotify(rNEvt); +} + +Color MultiLineEditSyntaxHighlight::GetSyntaxHighlightColor(const svtools::ColorConfig& rColorConfig, HighlighterLanguage eLanguage, TokenType aToken) +{ + Color aColor; + switch (eLanguage) + { + case HighlighterLanguage::SQL: + { + switch (aToken) + { + case TokenType::Identifier: aColor = rColorConfig.GetColorValue(svtools::SQLIDENTIFIER).nColor; break; + case TokenType::Number: aColor = rColorConfig.GetColorValue(svtools::SQLNUMBER).nColor; break; + case TokenType::String: aColor = rColorConfig.GetColorValue(svtools::SQLSTRING).nColor; break; + case TokenType::Operator: aColor = rColorConfig.GetColorValue(svtools::SQLOPERATOR).nColor; break; + case TokenType::Keywords: aColor = rColorConfig.GetColorValue(svtools::SQLKEYWORD).nColor; break; + case TokenType::Parameter: aColor = rColorConfig.GetColorValue(svtools::SQLPARAMETER).nColor; break; + case TokenType::Comment: aColor = rColorConfig.GetColorValue(svtools::SQLCOMMENT).nColor; break; + default: aColor = Color(0,0,0); + } + break; + } + case HighlighterLanguage::Basic: + { + switch (aToken) + { + case TokenType::Identifier: aColor = Color(255,0,0); break; + case TokenType::Comment: aColor = Color(0,0,45); break; + case TokenType::Number: aColor = Color(204,102,204); break; + case TokenType::String: aColor = Color(0,255,45); break; + case TokenType::Operator: aColor = Color(0,0,100); break; + case TokenType::Keywords: aColor = Color(0,0,255); break; + case TokenType::Error : aColor = Color(0,255,255); break; + default: aColor = Color(0,0,0); + } + break; + } + default: aColor = Color(0,0,0); + + } + return aColor; +} + +Color MultiLineEditSyntaxHighlight::GetColorValue(TokenType aToken) +{ + return GetSyntaxHighlightColor(m_aColorConfig, aHighlighter.GetLanguage(), aToken); +} + +void MultiLineEditSyntaxHighlight::UpdateData() +{ + // syntax highlighting + // this must be possible improved by using notifychange correctly + bool bTempModified = GetTextEngine()->IsModified(); + for (sal_uInt32 nLine=0; nLine < GetTextEngine()->GetParagraphCount(); ++nLine) + { + OUString aLine( GetTextEngine()->GetText( nLine ) ); + GetTextEngine()->RemoveAttribs( nLine ); + std::vector<HighlightPortion> aPortions; + aHighlighter.getHighlightPortions( aLine, aPortions ); + for (auto const& portion : aPortions) + { + GetTextEngine()->SetAttrib( TextAttribFontColor( GetColorValue(portion.tokenType) ), nLine, portion.nBegin, portion.nEnd ); + } + } + GetTextView()->ShowCursor( false ); + GetTextEngine()->SetModified(bTempModified); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |