C++ QDocumentCursor::columnNumber方法代码示例

void qceEqual(const QDocumentCursor& c, const QDocumentCursor& expected, const QString& message){
	QEQUAL2(c.hasSelection(),expected.hasSelection(), " got-total: "+cur2str(c)+" expected-total: "+cur2str(expected)+" more: "+message);
	QEQUAL2(c.anchorLineNumber(),expected.anchorLineNumber(), " got-total: "+cur2str(c)+" expected-total: "+cur2str(expected)+" more: "+message);
	QEQUAL2(c.anchorColumnNumber(),expected.anchorColumnNumber(), " got-total: "+cur2str(c)+" expected-total: "+cur2str(expected)+" more: "+message);
	QEQUAL2(c.lineNumber(),expected.lineNumber(), " got-total: "+cur2str(c)+" expected-total: "+cur2str(expected)+" more: "+message);
	QEQUAL2(c.columnNumber(),expected.columnNumber(), " got-total: "+cur2str(c)+" expected-total: "+cur2str(expected)+" more: "+message);
}

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;
}

/*!

*/
bool QHexPanel::paint(QPainter *p, QEditor *e)
{
//    qWarning("drawing Hex panel... [%i, %i, %i, %i]",
//            geometry().x(),
//            geometry().y(),
//            geometry().width(),
//            geometry().height());

#if 1
    //hexeditor->resize(geometry().size());

#else
    static QPixmap _warn(":/warning.png"), _mod(":/save.png");

    QString s;
    int xpos = 10;
    QDocumentCursor c = e->cursor();
    const QFontMetrics fm(fontMetrics());

    const int ls = fm.lineSpacing();
    const int ascent = fm.ascent() + 3;

    s = tr("Line : %1 Visual column : %2 Text column : %3")
            .arg(c.lineNumber() + 1)
            .arg(c.visualColumnNumber())
            .arg(c.columnNumber());

    p->drawText(xpos, ascent, s);
    xpos += fm.width(s) + 10;

    int sz = qMin(height(), _mod.height());
    //int lastMod = d->lastModified().secsTo(QDateTime::currentDateTime());
    //QString timeDiff = tr("(%1 min %2 s ago)").arg(lastMod / 60).arg(lastMod % 60);

    //xpos += 10;
    if ( e->isContentModified() )
    {
        p->drawPixmap(xpos, (height() - sz) / 2, sz, sz, _mod);
        //xpos += sz;
        //xpos += 10;
        //p->drawText(xpos, ascent, timeDiff);
    }
    xpos += sz + 10;
    //xpos += fm.width(timeDiff);
    //xpos += 20;

//	s = editor()->flag(QEditor::Overwrite) ? tr("OVERWRITE") : tr("INSERT");
//	p->drawText(xpos, ascent, s);
//	xpos += fm.width(s) + 10;


#endif
    return true;
}

/*!

*/
void QStatusPanel::paint(QPainter *p, QEditor *e)
{
        //qDebug("drawing status panel... [%i, %i, %i, %i]",
        //              geometry().x(),
        //              geometry().y(),
        //              geometry().width(),
        //              geometry().height());
        static QPixmap _warn(":/warning.png");
        
        QString s;
        int xpos = 10;
        QDocumentCursor c = e->cursor();
        const QFontMetrics fm(fontMetrics());
        
        const int ls = fm.lineSpacing();
        const int ascent = fm.ascent() + 3;
        
        s = tr("Line : %1 Visual column : %2 Text column : %3")
                        .arg(c.lineNumber() + 1)
                        .arg(c.visualColumnNumber())
                        .arg(c.columnNumber());
        
        p->drawText(xpos, ascent, s);
        xpos += fm.width(s) + 10;
        
        // TODO : draw icon to show mod status
        
        s = editor()->flag(QEditor::Overwrite) ? tr("OVERWRITE") : tr("INSERT");
        p->drawText(xpos, ascent, s);
        xpos += fm.width(s) + 10;
        
        
        m_conflictSpot = 0;
        
        if ( editor()->isInConflict() )
        {
                s =  tr("Conflict");
                int w = fm.width(s) + 30;
                
                if ( xpos + w + _warn.width() < width() )
                {
                        m_conflictSpot = width() - (w + _warn.width());
                        p->drawText(width() - w + 15, ascent, s);
                        p->drawPixmap(m_conflictSpot, (ls - _warn.height()) / 2 + 2, _warn);
                } else if ( xpos + _warn.width() < width() ) {
                        m_conflictSpot = width() - _warn.width();
                        p->drawPixmap(m_conflictSpot, (ls - _warn.height()) / 2 + 2, _warn);
                }
        }
        
        setFixedHeight(ls + 4);
}

/*!
 \brief

 \fn CCompletion::getLastToken
 \param c
 \return QString
*/
QString CCompletion::getLastToken(const QDocumentCursor &c) {

    QString line = c.line().text();
    QString Token = c.selectedText();
    if (Token.isEmpty()) {
        if (line.size()>1) {
            int i = c.columnNumber()-1;
            while (QString("_0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ").contains(line.at(i).toUpper())) {
                Token = line.at(i)+Token;
                i--;
                if (i<0) break;
            }
        }
    }
    return Token;
}

/*!
 \brief

 \fn CCompletion::complete
 \param c
 \param trigger
*/
void CCompletion::complete(const QDocumentCursor &c, const QString &trigger)
{
    // test if there is selected text
    // etendre le texte selectionner au mot complet
    // si il a pour next char une ( alors afficher un calltips



    if ( (trigger == "(" ) || !c.selectedText().isEmpty())
    {
        QStringList tips;

        //qDebug("fn %s", fn.constData());
        QList<QCodeNode*> nodes = mainwindow->windowide->completionScan(editor());

        tips = mainwindow->windowide->getProc(getLastToken(c));

        if ( tips.count() )
        {
            CDOxyItem * di = mainwindow->windowide->getDOxygenInfo(getLastToken(c).trimmed());
            if (di) {

                tips[0] += QString("\n")+di->brief;
                if (di->params.count()) {
                    for (int j=0;j<di->params.size();j++) {
                        tips[0] += QString("\n")+di->params.at(j);
                    }
                }
                if (!(di->returnTyp.isEmpty())) tips[0]+=QString("\nReturn value : ")+di->returnTyp;
                if (tips[0].right(1)=="\n") tips[0].chop(1);
            }
            QRect r = editor()->cursorRect();
            QDocumentCursor cursor = editor()->cursor();
            QDocumentLine line = cursor.line();

            int hx = editor()->horizontalOffset(),
                cx = line.cursorToX(cursor.columnNumber());

            QCallTip *ct = new QCallTip(editor()->viewport());
            ct->move(cx - hx, r.y() + r.height());
            ct->setTips(tips);
            ct->show();
            ct->setFocus();

            #ifdef TRACE_COMPLETION
            qDebug("parsing + scoping + search + pre-display : elapsed %i ms", time.elapsed());
            #endif
        }
    }
    else {
    if ( pPopup && pPopup->editor() != editor() )
    {
        delete pPopup;
        pPopup = 0;
    }

    if ( !pPopup )
    {
        pPopup = new QCodeCompletionWidget(editor());
    }

    pPopup->clear();
    pPopup->setCursor(editor()->cursor());

    QTime time;
    time.start();

    QList<QCodeNode*> nodes = mainwindow->windowide->completionScan(editor());


    pPopup->setPrefix(getLastToken(c));


    pPopup->setCompletions(nodes);

    pPopup->update();
    pPopup->popup();
}
#if 1

#endif

}

/*!

*/
bool QStatusPanel::paint(QPainter *p, QEditor *e)
{
	//qDebug("drawing status panel... [%i, %i, %i, %i]",
	//		geometry().x(),
	//		geometry().y(),
	//		geometry().width(),
	//		geometry().height());
	static QPixmap _warn(":/warning.png"), _mod(":/save.png");
	
	QString s;
	int xpos = 10;
	QDocumentCursor c = e->cursor();
	const QFontMetrics fm(fontMetrics());
	
	const int ls = fm.lineSpacing();
	const int ascent = fm.ascent() + 3;
	
	s = tr("Line : %1 Visual column : %2 Text column : %3")
			.arg(c.lineNumber() + 1)
			.arg(c.visualColumnNumber())
			.arg(c.columnNumber());
	
	p->drawText(xpos, ascent, s);
	xpos += fm.width(s) + 10;
	
	int sz = qMin(height(), _mod.height());
	//int lastMod = d->lastModified().secsTo(QDateTime::currentDateTime());
	//QString timeDiff = tr("(%1 min %2 s ago)").arg(lastMod / 60).arg(lastMod % 60);
	
	//xpos += 10;
	if ( e->isContentModified() )
	{
		p->drawPixmap(xpos, (height() - sz) / 2, sz, sz, _mod);
		//xpos += sz;
		//xpos += 10;
		//p->drawText(xpos, ascent, timeDiff);
	}
	xpos += sz + 10;
	//xpos += fm.width(timeDiff);
	//xpos += 20;
	
	s = editor()->flag(QEditor::Overwrite) ? tr("OVERWRITE") : tr("INSERT");
	p->drawText(xpos, ascent, s);
	xpos += fm.width(s) + 10;
	
	m_conflictSpot = 0;
	
	if ( editor()->isInConflict() )
	{
		s =  tr("Conflict");
		int w = fm.width(s) + 30;
		
		if ( xpos + w + _warn.width() < width() )
		{
			m_conflictSpot = width() - (w + _warn.width());
			p->drawText(width() - w + 15, ascent, s);
			p->drawPixmap(m_conflictSpot, (ls - _warn.height()) / 2 + 2, _warn);
		} else if ( xpos + _warn.width() < width() ) {
			m_conflictSpot = width() - _warn.width();
			p->drawPixmap(m_conflictSpot, (ls - _warn.height()) / 2 + 2, _warn);
		}
	}
	
	setFixedHeight(ls + 4);
	
	QTimer::singleShot(1000, this, SLOT( update() ) );
	
	return true;
}

QString cur2str(const QDocumentCursor &c){
	if (c.hasSelection()) return QString("%1|%2|%3|%4").arg(c.anchorLineNumber()).arg(c.anchorColumnNumber()).arg(c.lineNumber()).arg(c.columnNumber());
	return QString("%1|%2").arg(c.lineNumber()).arg(c.columnNumber());
}

void CompletionWord::insertAt(QEditor* editor, QDocumentCursor cursor){
    QString savedSelection;
    int multilines=shownWord.count('\n');
    QVector<QDocumentLine> documentlines;

    if (cursor.hasSelection()) {
        savedSelection=cursor.selectedText();
        cursor.removeSelectedText();
    }
    QDocumentCursor selector=cursor;
    int curStart=cursor.columnNumber();
    QDocumentLine curLine=cursor.line();

    cursor.insertText(shownWord);

    if (multilines) {
        documentlines.resize(multilines+1);
        documentlines[0]=curLine;
        for (int i=1;i<documentlines.count()-1;i++) documentlines[i]=documentlines[i-1].next(); //todo: optimize
    }

    if (QDocument::formatFactory())
        for (int i=0;i<descriptiveParts.size();i++) {
            QFormatRange fr(descriptiveParts[i].first+curStart,descriptiveParts[i].second,QDocument::formatFactory()->id("temporaryCodeCompletion"));
            if (multilines) {
                QString temp= shownWord;
                temp.truncate(descriptiveParts[i].first);
                int linetoadd=temp.count('\n');
                if (linetoadd==0) curLine.addOverlay(fr);
                else if (linetoadd<documentlines.size()) {
                    fr.offset=temp.size()-temp.lastIndexOf('\n')-1;
                    documentlines[linetoadd].addOverlay(fr);
                }
            } else curLine.addOverlay(fr);
        }

    //place cursor/add \end
    int selectFrom=-1;
    int selectTo=-1;
    int deltaLine=0;
    if (shownWord.startsWith("\\begin")&&!multilines) {
        //int curColumnNumber=cursor.columnNumber();
        QString indent=curLine.indentation();
        int p=shownWord.indexOf("{");
        QString content="content...";
        if (editor->flag(QEditor::AutoIndent)){
            cursor.insertText( "\n"+indent+"\t"+content+"\n"+indent+"\\end"+shownWord.mid(p,shownWord.indexOf("}")-p+1));
            indent+="\t";
        } else
            cursor.insertText( "\n"+indent+content+"\n"+indent+"\\end"+shownWord.mid(p,shownWord.indexOf("}")-p+1));
        if (QDocument::formatFactory())
            for (int i=0;i<descriptiveParts.size();i++)
                curLine.next().addOverlay(QFormatRange(indent.size(),content.size(),QDocument::formatFactory()->id("temporaryCodeCompletion")));

        if (cursorPos==-1) {
            deltaLine=1;
            selectFrom=indent.length();
            selectTo=indent.length()+content.size();
        } else {
            selectFrom=anchorPos+curStart;
            selectTo=cursorPos+curStart;
        }
    } else if (cursorPos>-1) {
        if (multilines) { //todo: add support for selected multilines
            QString temp= shownWord;
            temp.truncate(cursorPos);
            deltaLine=temp.count('\n');
            if (!deltaLine) {
                selectFrom=anchorPos+curStart;
                selectTo=cursorPos+curStart;
            } else {
                selectTo=temp.size()-temp.lastIndexOf('\n')-1;
                selectFrom=anchorPos-cursorPos+selectTo;
            }
        } else {
            selectFrom=anchorPos+curStart;
            selectTo=cursorPos+curStart;
        }
    } else editor->setCursor(cursor); //place after insertion
    if (selectFrom!=-1){
        if (deltaLine>0) selector.movePosition(deltaLine,QDocumentCursor::Down,QDocumentCursor::MoveAnchor);
        selector.setColumnNumber(selectFrom);
        if (selectTo>selectFrom) selector.movePosition(selectTo-selectFrom,QDocumentCursor::Right,QDocumentCursor::KeepAnchor);
        else if (selectTo<selectFrom) selector.movePosition(selectFrom-selectTo,QDocumentCursor::Left,QDocumentCursor::KeepAnchor);
        editor->setCursor(selector);
    }
    if (!savedSelection.isEmpty() && cursorPos>0) editor->cursor().insertText(savedSelection);
}

int LatexTables::getColumn(QDocumentCursor &cur){
	QDocumentCursor c(cur);
	QStringList tokens("\\\\");
	int result=findNextToken(c,tokens,true,true);
	if(result==0) c.movePosition(2,QDocumentCursor::Right,QDocumentCursor::KeepAnchor);
	if(c.lineNumber()==cur.lineNumber() && c.selectedText().contains(QRegExp("^\\s*$"))){
		c.movePosition(1,QDocumentCursor::EndOfLine,QDocumentCursor::KeepAnchor);
		QString zw=c.selectedText();
		if(zw.contains(QRegExp("^\\s*$"))) return -1;
	}
	
	c.clearSelection();
	
	tokens << "\\&" << "&";
	int col=0;
	
	do{
		result=findNextToken(c,tokens);
		if(c.lineNumber()>cur.lineNumber()|| (c.lineNumber()==cur.lineNumber() && c.columnNumber()>cur.columnNumber())) break;
		if(result==2) col++;
	}while(result>0);
	return col;
}

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());
        }
}