/****************************************************************************

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** This file is part of the Qt3Support module of the Qt Toolkit.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

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****************************************************************************/

#ifndef Q3MULTILINEEDIT_H

#define Q3MULTILINEEDIT_H

#include <Qt3Support/q3textedit.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3SupportLight)

#ifndef QT_NO_MULTILINEEDIT

class Q3MultiLineEditCommand;

class QValidator;

class Q3MultiLineEditData;

class Q_COMPAT_EXPORT Q3MultiLineEdit : public Q3TextEdit

{

    Q_OBJECT

    Q_PROPERTY(int numLines READ numLines)

    Q_PROPERTY(bool atBeginning READ atBeginning)

    Q_PROPERTY(bool atEnd READ atEnd)

    Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)

    Q_PROPERTY(bool edited READ edited WRITE setEdited DESIGNABLE false)

public:

    Q3MultiLineEdit(QWidget* parent=0, const char* name=0);

    ~Q3MultiLineEdit();

    QString textLine(int line) const;

    int numLines() const;

    virtual void insertLine(const QString &s, int line = -1);

    virtual void insertAt(const QString &s, int line, int col) {

        insertAt(s, line, col, false);

    }

    virtual void insertAt(const QString &s, int line, int col, bool mark);

    virtual void removeLine(int line);

    virtual void setCursorPosition(int line, int col) {

        setCursorPosition(line, col, false);

    }

    virtual void setCursorPosition(int line, int col, bool mark);

    bool atBeginning() const;

    bool atEnd() const;

    void setAlignment(Qt::Alignment flags);

    Qt::Alignment alignment() const;

    void setEdited(bool);

    bool edited() const;

    bool hasMarkedText() const;

    QString markedText() const;

    void cursorWordForward(bool mark);

    void cursorWordBackward(bool mark);

    // noops

    bool autoUpdate() const { return true; }

    virtual void setAutoUpdate(bool) {}

    int totalWidth() const { return contentsWidth(); }

    int totalHeight() const { return contentsHeight(); }

    int maxLines() const { return QWIDGETSIZE_MAX; }

    void setMaxLines(int) {}

public Q_SLOTS:

    void deselect() { selectAll(false); }

protected:

    QPoint cursorPoint() const;

    virtual void insertAndMark(const QString&, bool mark);

    virtual void newLine();

    virtual void killLine();

    virtual void pageUp(bool mark=false);

    virtual void pageDown(bool mark=false);

    virtual void cursorLeft(bool mark=false, bool wrap = true);

    virtual void cursorRight(bool mark=false, bool wrap = true);

    virtual void cursorUp(bool mark=false);

    virtual void cursorDown(bool mark=false);

    virtual void backspace();

    virtual void home(bool mark=false);

    virtual void end(bool mark=false);

    bool getMarkedRegion(int *line1, int *col1, int *line2, int *col2) const;

    int lineLength(int row) const;

private:

    Q_DISABLE_COPY(Q3MultiLineEdit)

    Q3MultiLineEditData *d;

};

#endif // QT_NO_MULTILINEEDIT

QT_END_NAMESPACE

QT_END_HEADER

#endif // Q3MULTILINEEDIT_H