xref: /AOO41X/main/svtools/source/edit/editsyntaxhighlighter.cxx (revision 707fc0d4d52eb4f69d89a98ffec6918ca5de6326)
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8  * "License"); you may not use this file except in compliance
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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14  * software distributed under the License is distributed on an
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16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svtools.hxx"
26 
27 #include <svtools/svmedit.hxx>
28 #include <svtools/xtextedt.hxx>
29 #include <svtools/editsyntaxhighlighter.hxx>
30 #include <svtools/txtattr.hxx>
31 
32 
33 MultiLineEditSyntaxHighlight::MultiLineEditSyntaxHighlight( Window* pParent, WinBits nWinStyle,
34     HighlighterLanguage aLanguage): MultiLineEdit(pParent,nWinStyle), mbDoBracketHilight(true)
35 {
36     EnableUpdateData(300);
37     aHighlighter.initialize( aLanguage );
38 }
39 
40 MultiLineEditSyntaxHighlight::MultiLineEditSyntaxHighlight( Window* pParent, const ResId& rResId ,
41     HighlighterLanguage aLanguage): MultiLineEdit(pParent,rResId), mbDoBracketHilight(true)
42 {
43     EnableUpdateData(300);
44     aHighlighter.initialize( aLanguage );
45 }
46 
47 MultiLineEditSyntaxHighlight::~MultiLineEditSyntaxHighlight()
48 {
49 }
50 
51 void MultiLineEditSyntaxHighlight::EnableBracketHilight(bool aHilight)
52 {
53     mbDoBracketHilight = aHilight;
54 }
55 
56 bool MultiLineEditSyntaxHighlight::IsBracketHilight()
57 {
58     return mbDoBracketHilight;
59 }
60 
61 void MultiLineEditSyntaxHighlight::SetText(const String& rNewText)
62 {
63     MultiLineEdit::SetText(rNewText);
64     UpdateData();
65 }
66 
67 void MultiLineEditSyntaxHighlight::DoBracketHilight(sal_uInt16 aKey)
68 {
69     TextSelection aCurrentPos = GetTextView()->GetSelection();
70     xub_StrLen aStartPos  = aCurrentPos.GetStart().GetIndex();
71     sal_uLong nStartPara = aCurrentPos.GetStart().GetPara();
72     sal_uInt16 aCount = 0;
73     int aChar = -1;
74 
75     switch (aKey)
76     {
77         case '\'':  // no break
78         case '"':
79         {
80             aChar = aKey;
81             break;
82         }
83         case '}' :
84         {
85             aChar = '{';
86             break;
87         }
88         case ')':
89         {
90             aChar = '(';
91             break;
92         }
93         case ']':
94         {
95             aChar = '[';
96             break;
97         }
98     }
99 
100     if (aChar != -1)
101     {
102         for (long aPara =nStartPara; aPara>=0;--aPara)
103         {
104             if ( aStartPos == 0 )
105                 continue;
106 
107             String aLine( GetTextEngine()->GetText( aPara ) );
108             for (sal_uInt16 i = ((unsigned long)aPara==nStartPara) ? aStartPos-1 : (sal_uInt16)(aLine.Len()-1); i>0; --i)
109             {
110                 if (aLine.GetChar(i)==aChar)
111                 {
112                     if (!aCount)
113                     {
114                         GetTextEngine()->SetAttrib( TextAttribFontWeight( WEIGHT_ULTRABOLD ), aPara, i, i+1, sal_True );
115                         GetTextEngine()->SetAttrib( TextAttribFontColor( Color(0,0,0) ), aPara, i, i+1, sal_True );
116                         GetTextEngine()->SetAttrib( TextAttribFontWeight( WEIGHT_ULTRABOLD ), nStartPara, aStartPos, aStartPos, sal_True );
117                         GetTextEngine()->SetAttrib( TextAttribFontColor( Color(0,0,0) ), nStartPara, aStartPos, aStartPos, sal_True );
118                         return;
119                     }
120                     else
121                         aCount--;
122                 }
123                 if (aLine.GetChar(i)==aKey)
124                     aCount++;
125             }
126         }
127     }
128 }
129 
130 long MultiLineEditSyntaxHighlight::PreNotify( NotifyEvent& rNEvt )
131 {
132     if ( mbDoBracketHilight && (rNEvt.GetType() == EVENT_KEYINPUT) )
133         DoBracketHilight(rNEvt.GetKeyEvent()->GetCharCode());
134 
135     return MultiLineEdit::PreNotify(rNEvt);
136 }
137 
138 Color MultiLineEditSyntaxHighlight::GetColorValue(TokenTypes aToken)
139 {
140     Color aColor;
141     switch (aHighlighter.GetLanguage())
142     {
143         case HIGHLIGHT_SQL:
144         {
145             switch (aToken)
146             {
147                 case TT_IDENTIFIER: aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLIDENTIFIER).nColor; break;
148                 case TT_NUMBER:     aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLNUMBER).nColor; break;
149                 case TT_STRING:     aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLSTRING).nColor; break;
150                 case TT_OPERATOR:   aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLOPERATOR).nColor; break;
151                 case TT_KEYWORDS:   aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLKEYWORD).nColor; break;
152                 case TT_PARAMETER:  aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLPARAMETER).nColor; break;
153                 case TT_COMMENT:    aColor = (ColorData)m_aColorConfig.GetColorValue(svtools::SQLCOMMENT).nColor; break;
154                 default:            aColor = Color(0,0,0);
155             }
156             break;
157         }
158         case HIGHLIGHT_BASIC:
159         {
160             switch (aToken)
161             {
162                 case TT_IDENTIFIER: aColor = Color(255,0,0); break;
163                 case TT_COMMENT:    aColor = Color(0,0,45); break;
164                 case TT_NUMBER:     aColor = Color(204,102,204); break;
165                 case TT_STRING:     aColor = Color(0,255,45); break;
166                 case TT_OPERATOR:   aColor = Color(0,0,100); break;
167                 case TT_KEYWORDS:   aColor = Color(0,0,255); break;
168                 case TT_ERROR :     aColor = Color(0,255,255); break;
169                 default:            aColor = Color(0,0,0);
170             }
171             break;
172         }
173         default: aColor = Color(0,0,0);
174 
175     }
176     return aColor;
177 }
178 
179 void MultiLineEditSyntaxHighlight::UpdateData()
180 {
181     // syntax highlighting
182     // this must be possible improved by using notifychange correctly
183     sal_Bool bTempModified = GetTextEngine()->IsModified();
184     for (unsigned int nLine=0; nLine < GetTextEngine()->GetParagraphCount(); nLine++)
185     {
186         String aLine( GetTextEngine()->GetText( nLine ) );
187         Range aChanges = aHighlighter.notifyChange( nLine, 0, &aLine, 1 );
188 
189         GetTextEngine()->RemoveAttribs( nLine, sal_True );
190         HighlightPortions aPortions;
191         aHighlighter.getHighlightPortions( nLine, aLine, aPortions );
192         for ( size_t i = 0; i < aPortions.size(); i++ )
193         {
194             HighlightPortion& r = aPortions[i];
195             GetTextEngine()->SetAttrib( TextAttribFontColor( GetColorValue(r.tokenType) ), nLine, r.nBegin, r.nEnd, sal_True );
196         }
197     }
198     GetTextView()->ShowCursor( false, true );
199     GetTextEngine()->SetModified(bTempModified);
200 }
201