svtools/source/edit/editsyntaxhighlighter.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_svtools.hxx"
  33
  34 #include <svtools/svmedit.hxx>
  35 #include <svtools/xtextedt.hxx>
  36 #include <svtools/editsyntaxhighlighter.hxx>
  37 #include "../../inc/txtattr.hxx"
  38
  39
  40 MultiLineEditSyntaxHighlight::MultiLineEditSyntaxHighlight( Window* pParent, WinBits nWinStyle,
  41     HighlighterLanguage aLanguage): MultiLineEdit(pParent,nWinStyle), mbDoBracketHilight(true)
  42 {
  43     EnableUpdateData(300);
  44     aHighlighter.initialize( aLanguage );
  45 }
  46
  47 MultiLineEditSyntaxHighlight::MultiLineEditSyntaxHighlight( Window* pParent, const ResId& rResId ,
  48     HighlighterLanguage aLanguage): MultiLineEdit(pParent,rResId), mbDoBracketHilight(true)
  49 {
  50     EnableUpdateData(300);
  51     aHighlighter.initialize( aLanguage );
  52 }
  53
  54 MultiLineEditSyntaxHighlight::~MultiLineEditSyntaxHighlight()
  55 {
  56 }
  57
  58 void MultiLineEditSyntaxHighlight::EnableBracketHilight(bool aHilight)
  59 {
  60     mbDoBracketHilight = aHilight;
  61 }
  62
  63 bool MultiLineEditSyntaxHighlight::IsBracketHilight()
  64 {
  65     return mbDoBracketHilight;
  66 }
  67
  68 void MultiLineEditSyntaxHighlight::SetText(const String& rNewText)
  69 {
  70     MultiLineEdit::SetText(rNewText);
  71     UpdateData();
  72 }
  73
  74 void MultiLineEditSyntaxHighlight::DoBracketHilight(USHORT aKey)
  75 {
  76     TextSelection aCurrentPos = GetTextView()->GetSelection();
  77     xub_StrLen aStartPos  = aCurrentPos.GetStart().GetIndex();
  78     ULONG nStartPara = aCurrentPos.GetStart().GetPara();
  79     USHORT aCount = 0;
  80     int aChar = -1;
  81
  82     switch (aKey)
  83     {
  84         case '\'':      // no break
  85         case '"':
  86         {
  87             aChar = aKey;
  88             break;
  89         }
  90         case '}' :
  91         {
  92             aChar = '{';
  93             break;
  94         }
  95         case ')':
  96         {
  97             aChar = '(';
  98             break;
  99         }
 100         case ']':
 101         {
 102             aChar = '[';
 103             break;
 104         }
 105     }
 106
 107     if (aChar != -1)
 108     {
 109         for (long aPara =nStartPara; aPara>=0;--aPara)
 110         {
 111             if ( aStartPos == 0 )
 112                 continue;
 113
 114             String aLine( GetTextEngine()->GetText( aPara ) );
 115             for (USHORT i = ((unsigned long)aPara==nStartPara) ? aStartPos-1 : (USHORT)(aLine.Len()-1); i>0; --i)
 116             {
 117                 if (aLine.GetChar(i)==aChar)
 118                 {
 119                     if (!aCount)
 120                     {
 121                         GetTextEngine()->SetAttrib( TextAttribFontWeight( WEIGHT_ULTRABOLD ), aPara, i, i+1, TRUE );
 122                         GetTextEngine()->SetAttrib( TextAttribFontColor( Color(0,0,0) ), aPara, i, i+1, TRUE );
 123                         GetTextEngine()->SetAttrib( TextAttribFontWeight( WEIGHT_ULTRABOLD ), nStartPara, aStartPos, aStartPos, TRUE );
 124                         GetTextEngine()->SetAttrib( TextAttribFontColor( Color(0,0,0) ), nStartPara, aStartPos, aStartPos, TRUE );
 125                         return;
 126                     }
 127                     else
 128                         aCount--;
 129                 }
 130                 if (aLine.GetChar(i)==aKey)
 131                     aCount++;
 132             }
 133         }
 134     }
 135 }
 136
 137 long MultiLineEditSyntaxHighlight::PreNotify( NotifyEvent& rNEvt )
 138 {
 139     if ( mbDoBracketHilight && (rNEvt.GetType() == EVENT_KEYINPUT) )
 140         DoBracketHilight(rNEvt.GetKeyEvent()->GetCharCode());
 141
 142     return MultiLineEdit::PreNotify(rNEvt);
 143 }
 144
 145 Color MultiLineEditSyntaxHighlight::GetColorValue(TokenTypes aToken)
 146 {
 147     Color aColor;
 148     switch (aHighlighter.GetLanguage())
 149     {
 150         case HIGHLIGHT_SQL:
 151         {
 152             switch (aToken)
 153             {
 154                 case TT_IDENTIFIER:     aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLIDENTIFIER).nColor; break;
 155                 case TT_NUMBER:         aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLNUMBER).nColor; break;
 156                 case TT_STRING:         aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLSTRING).nColor; break;
 157                 case TT_OPERATOR:       aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLOPERATOR).nColor; break;
 158                 case TT_KEYWORDS:       aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLKEYWORD).nColor; break;
 159                 case TT_PARAMETER:  aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLPARAMETER).nColor; break;
 160                 case TT_COMMENT:        aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLCOMMENT).nColor; break;
 161                 default:                        aColor = Color(0,0,0);
 162             }
 163             break;
 164         }
 165         case HIGHLIGHT_BASIC:
 166         {
 167             switch (aToken)
 168             {
 169                 case TT_IDENTIFIER:     aColor = Color(255,0,0); break;
 170                 case TT_COMMENT:        aColor = Color(0,0,45); break;
 171                 case TT_NUMBER:         aColor = Color(204,102,204); break;
 172                 case TT_STRING:         aColor = Color(0,255,45); break;
 173                 case TT_OPERATOR:       aColor = Color(0,0,100); break;
 174                 case TT_KEYWORDS:       aColor = Color(0,0,255); break;
 175                 case TT_ERROR :         aColor = Color(0,255,255); break;
 176                 default:                        aColor = Color(0,0,0);
 177             }
 178             break;
 179         }
 180         default: aColor = Color(0,0,0);
 181
 182     }
 183     return aColor;
 184 }
 185
 186 void MultiLineEditSyntaxHighlight::UpdateData()
 187 {
 188     // syntax highlighting
 189     // this must be possible improved by using notifychange correctly
 190     BOOL bTempModified = GetTextEngine()->IsModified();
 191     for (unsigned int nLine=0; nLine < GetTextEngine()->GetParagraphCount(); nLine++)
 192     {
 193         String aLine( GetTextEngine()->GetText( nLine ) );
 194         Range aChanges = aHighlighter.notifyChange( nLine, 0, &aLine, 1 );
 195
 196         GetTextEngine()->RemoveAttribs( nLine, TRUE );
 197         HighlightPortions aPortions;
 198         aHighlighter.getHighlightPortions( nLine, aLine, aPortions );
 199         for ( USHORT i = 0; i < aPortions.Count(); i++ )
 200         {
 201             HighlightPortion& r = aPortions[i];
 202             GetTextEngine()->SetAttrib( TextAttribFontColor( GetColorValue(r.tokenType) ), nLine, r.nBegin, r.nEnd, TRUE );
 203         }
 204     }
 205     GetTextView()->ShowCursor( false, true );
 206     GetTextEngine()->SetModified(bTempModified);
 207 }