Exemplo n.º 1
0
int LatexTables::findNextToken(QDocumentCursor &cur,QStringList tokens,bool keepAnchor,bool backwards){
	int pos=-1;
	int nextToken=-1;
	int offset=0;
	QDocumentCursor::MoveOperation mvNextLine= backwards ? QDocumentCursor::PreviousLine : QDocumentCursor::NextLine;
	QDocumentCursor::MoveOperation mvNextChar= backwards ? QDocumentCursor::Left : QDocumentCursor::Right;
	QDocumentCursor::MoveOperation mvStartOfLine= backwards ? QDocumentCursor::EndOfLine : QDocumentCursor::StartOfLine;
	QDocumentCursor::MoveFlag mvFlag= keepAnchor ? QDocumentCursor::KeepAnchor : QDocumentCursor::MoveAnchor;
	do{
		QString line=cur.line().text();
		if(backwards){
			offset=line.length();
		}
		line=LatexParser::cutComment(line);
		if(backwards){
			offset=offset-line.length();
			QString help;
			foreach(const QChar& elem,line)
				help.prepend(elem);
			
			line=help;
		}
		
		if(line.contains("\\end{")&&!backwards) {
			nextToken=-2;
			break;
		}
		if(line.contains("{nigeb\\")&&backwards) {
			nextToken=-2;
			break;
		}
		
		pos=-1;
		for(int i=0;i<tokens.count();i++){
			QString elem=tokens.at(i);
			int colNumber= cur.columnNumber();
			if(backwards) colNumber=line.length()+offset-colNumber ;
			int zw=line.indexOf(elem,colNumber);
			if(zw>-1) {
				if(pos>zw || pos==-1){
					pos=zw;
					nextToken=i;
				}
			}
		}
		if(pos<0){
			if(!backwards&&cur.lineNumber()>=cur.document()->lineCount()-1) break;
			if(backwards&&cur.lineNumber()<=0) break;
			cur.movePosition(1,mvNextLine,mvFlag);
			cur.movePosition(1,mvStartOfLine,mvFlag);
		}
	}while(pos<0);
	if(pos>-1) {
		cur.movePosition(1,mvStartOfLine,mvFlag);
		cur.movePosition(pos+tokens.at(nextToken).length()+offset,mvNextChar,mvFlag);
	}
	return nextToken;
}
void QSearchReplacePanel::on_leFind_textEdited(const QString& text)
{
        bool hadSearch = m_search;
        QDocumentCursor cur = editor()->cursor();
        
        if ( m_search ) 
        {
                cur = m_search->cursor();
                
                m_search->setSearchText(text);
                
                if ( cbCursor->isChecked() )
                {
                        QDocumentCursor c = cur;
                        c.setColumnNumber(qMin(c.anchorColumnNumber(), c.columnNumber()));
                        
                        m_search->setCursor(c);
                }
        } else {
                // TODO : make incremental search optional
                init();
        }
        
        if ( text.isEmpty() )
        {
                leFind->setStyleSheet(QString());
                return;
        }
        
        m_search->setOption(QDocumentSearch::Silent, true);
        
        find(0);
        
        m_search->setOption(QDocumentSearch::Silent, false);
        
        if ( m_search->cursor().isNull() )
        {
                leFind->setStyleSheet("QLineEdit { background: red; color : white; }");
                
                if ( hadSearch )
                {
                        m_search->setCursor(cur);
                        
                        // figure out whether other matches are availables
                        QDocumentSearch::Options opts = m_search->options();
                        opts &= ~QDocumentSearch::HighlightAll;
                        opts |= QDocumentSearch::Silent;
                        
                        QDocumentSearch temp(editor(), text, opts);
                        temp.setOrigin(QDocumentCursor());
                        temp.setScope(m_search->scope());
                        temp.next(true);
                        
                        if ( temp.cursor().isValid() )
                        {
                                // other match found from doc start
                                leFind->setStyleSheet("QLineEdit { background: yellow; color : black; }");
                                m_search->setCursor(cur.document()->cursor(0,0));
                                find(0);
                        }
                }
        } else {
                leFind->setStyleSheet(QString());
                editor()->setCursor(m_search->cursor());
        }
}