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/* -*- 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: */
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