Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include <svtools/svmedit.hxx>
      22             : #include <vcl/xtextedt.hxx>
      23             : #include <vcl/builder.hxx>
      24             : #include <svtools/editsyntaxhighlighter.hxx>
      25             : #include <vcl/txtattr.hxx>
      26             : 
      27             : 
      28           0 : MultiLineEditSyntaxHighlight::MultiLineEditSyntaxHighlight( Window* pParent, WinBits nWinStyle,
      29           0 :     HighlighterLanguage aLanguage): MultiLineEdit(pParent,nWinStyle), mbDoBracketHilight(true), aHighlighter(aLanguage)
      30             : {
      31           0 :     EnableUpdateData(300);
      32           0 : }
      33             : 
      34           0 : extern "C" SAL_DLLPUBLIC_EXPORT Window* SAL_CALL makeMultiLineEditSyntaxHighlight(Window *pParent, VclBuilder::stringmap &)
      35             : {
      36           0 :     return new MultiLineEditSyntaxHighlight(pParent);
      37             : }
      38             : 
      39           0 : MultiLineEditSyntaxHighlight::~MultiLineEditSyntaxHighlight()
      40             : {
      41           0 : }
      42             : 
      43           0 : void MultiLineEditSyntaxHighlight::SetText(const OUString& rNewText)
      44             : {
      45           0 :     MultiLineEdit::SetText(rNewText);
      46           0 :     UpdateData();
      47           0 : }
      48             : 
      49           0 : void MultiLineEditSyntaxHighlight::DoBracketHilight(sal_uInt16 nKey)
      50             : {
      51           0 :     TextSelection aCurrentPos = GetTextView()->GetSelection();
      52           0 :     sal_Int32 nStartPos = aCurrentPos.GetStart().GetIndex();
      53           0 :     sal_Int32 nStartPara = aCurrentPos.GetStart().GetPara();
      54           0 :     sal_uInt16 nCount = 0;
      55           0 :     int nChar = -1;
      56             : 
      57           0 :     switch (nKey)
      58             :     {
      59             :         case '\'':  // no break
      60             :         case '"':
      61             :         {
      62           0 :             nChar = nKey;
      63           0 :             break;
      64             :         }
      65             :         case '}' :
      66             :         {
      67           0 :             nChar = '{';
      68           0 :             break;
      69             :         }
      70             :         case ')':
      71             :         {
      72           0 :             nChar = '(';
      73           0 :             break;
      74             :         }
      75             :         case ']':
      76             :         {
      77           0 :             nChar = '[';
      78           0 :             break;
      79             :         }
      80             :     }
      81             : 
      82           0 :     if (nChar != -1)
      83             :     {
      84           0 :         for (sal_Int32 nPara = nStartPara; nPara >= 0; --nPara)
      85             :         {
      86           0 :             if (nStartPos == 0)
      87           0 :                 continue;
      88             : 
      89           0 :             OUString aLine( GetTextEngine()->GetText( nPara ) );
      90             : 
      91           0 :             if (aLine.isEmpty())
      92           0 :                 continue;
      93             : 
      94           0 :             for (sal_Int32 i = (nPara==nStartPara) ? nStartPos-1 : aLine.getLength()-1; i>0; --i)
      95             :             {
      96           0 :                 if (aLine[i] == nChar)
      97             :                 {
      98           0 :                     if (!nCount)
      99             :                     {
     100           0 :                         GetTextEngine()->SetAttrib( TextAttribFontWeight( WEIGHT_ULTRABOLD ), nPara, i, i+1, true );
     101           0 :                         GetTextEngine()->SetAttrib( TextAttribFontColor( Color(0,0,0) ), nPara, i, i+1, true );
     102           0 :                         GetTextEngine()->SetAttrib( TextAttribFontWeight( WEIGHT_ULTRABOLD ), nStartPara, nStartPos, nStartPos, true );
     103           0 :                         GetTextEngine()->SetAttrib( TextAttribFontColor( Color(0,0,0) ), nStartPara, nStartPos, nStartPos, true );
     104           0 :                         return;
     105             :                     }
     106             :                     else
     107           0 :                         --nCount;
     108             :                 }
     109           0 :                 if (aLine[i] == nKey)
     110           0 :                     ++nCount;
     111             :             }
     112           0 :         }
     113             :     }
     114             : }
     115             : 
     116           0 : bool MultiLineEditSyntaxHighlight::PreNotify( NotifyEvent& rNEvt )
     117             : {
     118           0 :     if ( mbDoBracketHilight && (rNEvt.GetType() == EVENT_KEYINPUT) )
     119           0 :         DoBracketHilight(rNEvt.GetKeyEvent()->GetCharCode());
     120             : 
     121           0 :     return MultiLineEdit::PreNotify(rNEvt);
     122             : }
     123             : 
     124           0 : Color MultiLineEditSyntaxHighlight::GetColorValue(TokenTypes aToken)
     125             : {
     126           0 :     Color aColor;
     127           0 :     switch (aHighlighter.GetLanguage())
     128             :     {
     129             :         case HIGHLIGHT_SQL:
     130             :         {
     131           0 :             switch (aToken)
     132             :             {
     133           0 :                 case TT_IDENTIFIER: aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLIDENTIFIER).nColor; break;
     134           0 :                 case TT_NUMBER:     aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLNUMBER).nColor; break;
     135           0 :                 case TT_STRING:     aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLSTRING).nColor; break;
     136           0 :                 case TT_OPERATOR:   aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLOPERATOR).nColor; break;
     137           0 :                 case TT_KEYWORDS:   aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLKEYWORD).nColor; break;
     138           0 :                 case TT_PARAMETER:  aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLPARAMETER).nColor; break;
     139           0 :                 case TT_COMMENT:    aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLCOMMENT).nColor; break;
     140           0 :                 default:            aColor = Color(0,0,0);
     141             :             }
     142           0 :             break;
     143             :         }
     144             :         case HIGHLIGHT_BASIC:
     145             :         {
     146           0 :             switch (aToken)
     147             :             {
     148           0 :                 case TT_IDENTIFIER: aColor = Color(255,0,0); break;
     149           0 :                 case TT_COMMENT:    aColor = Color(0,0,45); break;
     150           0 :                 case TT_NUMBER:     aColor = Color(204,102,204); break;
     151           0 :                 case TT_STRING:     aColor = Color(0,255,45); break;
     152           0 :                 case TT_OPERATOR:   aColor = Color(0,0,100); break;
     153           0 :                 case TT_KEYWORDS:   aColor = Color(0,0,255); break;
     154           0 :                 case TT_ERROR :     aColor = Color(0,255,255); break;
     155           0 :                 default:            aColor = Color(0,0,0);
     156             :             }
     157           0 :             break;
     158             :         }
     159           0 :         default: aColor = Color(0,0,0);
     160             : 
     161             :     }
     162           0 :     return aColor;
     163             : }
     164             : 
     165           0 : void MultiLineEditSyntaxHighlight::UpdateData()
     166             : {
     167             :     // syntax highlighting
     168             :     // this must be possible improved by using notifychange correctly
     169           0 :     sal_Bool bTempModified = GetTextEngine()->IsModified();
     170           0 :     for (unsigned int nLine=0; nLine < GetTextEngine()->GetParagraphCount(); nLine++)
     171             :     {
     172           0 :         OUString aLine( GetTextEngine()->GetText( nLine ) );
     173           0 :         GetTextEngine()->RemoveAttribs( nLine, true );
     174           0 :         std::vector<HighlightPortion> aPortions;
     175           0 :         aHighlighter.getHighlightPortions( aLine, aPortions );
     176           0 :         for (std::vector<HighlightPortion>::iterator i(aPortions.begin());
     177           0 :              i != aPortions.end(); ++i)
     178             :         {
     179           0 :             GetTextEngine()->SetAttrib( TextAttribFontColor( GetColorValue(i->tokenType) ), nLine, i->nBegin, i->nEnd, true );
     180             :         }
     181           0 :     }
     182           0 :     GetTextView()->ShowCursor( false, true );
     183           0 :     GetTextEngine()->SetModified(bTempModified);
     184           0 : }
     185             : 
     186             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */