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# ntqlineedit.h

This is the verbatim text of the ntqlineedit.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /**********************************************************************
    ** $Id: qt/ntqlineedit.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of TQLineEdit widget class
    **
    ** Created : 941011
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the widgets module of the TQt GUI Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Alternatively you may (at your option) use any
    ** later version of the GNU General Public License if such license has
    ** been publicly approved by Trolltech ASA (or its successors, if any)
    ** and the KDE Free TQt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/.
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** This file may be used under the terms of the Q Public License as
    ** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
    ** included in the packaging of this file.  Licensees holding valid TQt
    ** Commercial licenses may use this file in accordance with the TQt
    ** Commercial License Agreement provided with the Software.
    **
    ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
    ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
    ** herein.
    **
    **********************************************************************/

    #ifndef TQLINEEDIT_H
    #define TQLINEEDIT_H

    struct TQLineEditPrivate;

    class TQValidator;
    class TQPopupMenu;

    #ifndef QT_H
    #include "ntqframe.h"
    #include "ntqstring.h"
    #endif // QT_H

    #ifndef TQT_NO_LINEEDIT

    class TQTextParagraph;
    class TQTextCursor;

    class TQ_EXPORT TQLineEdit : public TQFrame
    {
        TQ_OBJECT
        TQ_ENUMS( EchoMode )
        TQ_PROPERTY( TQString text READ text WRITE setText )
        TQ_PROPERTY( int maxLength READ maxLength WRITE setMaxLength )
        TQ_PROPERTY( bool frame READ frame WRITE setFrame )
        TQ_PROPERTY( EchoMode echoMode READ echoMode WRITE setEchoMode )
        TQ_PROPERTY( TQString displayText READ displayText )
        TQ_PROPERTY( int cursorPosition READ cursorPosition WRITE setCursorPosition )
        TQ_PROPERTY( Alignment alignment READ alignment WRITE setAlignment )
        TQ_PROPERTY( bool edited READ edited WRITE setEdited DESIGNABLE false )
        TQ_PROPERTY( bool modified READ isModified )
        TQ_PROPERTY( bool hasSelectedText READ hasSelectedText )
        TQ_PROPERTY( TQString selectedText READ selectedText )
        TQ_PROPERTY( bool dragEnabled READ dragEnabled WRITE setDragEnabled )
        TQ_PROPERTY( bool readOnly READ isReadOnly WRITE setReadOnly )
        TQ_PROPERTY( bool undoAvailable READ isUndoAvailable )
        TQ_PROPERTY( bool redoAvailable READ isRedoAvailable )
        TQ_PROPERTY( TQString inputMask READ inputMask WRITE setInputMask )
        TQ_PROPERTY( bool acceptableInput READ hasAcceptableInput )

    public:
        TQLineEdit( TQWidget* parent, const char* name=0 );
        TQLineEdit( const TQString &, TQWidget* parent, const char* name=0 );
        TQLineEdit( const TQString &, const TQString &, TQWidget* parent, const char* name=0 );
        ~TQLineEdit();

        TQString text() const;

        TQString displayText() const;

        int maxLength() const;

        bool frame() const;

        enum EchoMode { Normal, NoEcho, Password };
        EchoMode echoMode() const;

        bool isReadOnly() const;

        const TQValidator * validator() const;

        TQSize sizeHint() const;
        TQSize minimumSizeHint() const;

        int cursorPosition() const;
        bool validateAndSet( const TQString &, int, int, int ); // obsolete

        int alignment() const;

        void cursorForward( bool mark, int steps = 1 );
        void cursorBackward( bool mark, int steps = 1 );
        void cursorWordForward( bool mark );
        void cursorWordBackward( bool mark );
        void backspace();
        void del();
        void home( bool mark );
        void end( bool mark );

        bool isModified() const;
        void clearModified();

        bool edited() const; // obsolete, use isModified()
        void setEdited( bool ); // obsolete, use clearModified()

        bool hasSelectedText() const;
        TQString selectedText() const;
        int selectionStart() const;

        bool isUndoAvailable() const;
        bool isRedoAvailable() const;

        bool dragEnabled() const;

        TQString inputMask() const;
        void setInputMask( const TQString &inputMask );
        bool hasAcceptableInput() const;

    public slots:
        virtual void setText( const TQString &);
        virtual void selectAll();
        virtual void deselect();
        virtual void clearValidator();
        virtual void insert( const TQString &);
        virtual void clear();
        virtual void undo();
        virtual void redo();
        virtual void setMaxLength( int );
        virtual void setFrame( bool );
        virtual void setEchoMode( EchoMode );
        virtual void setReadOnly( bool );
        virtual void setValidator( const TQValidator * );
        virtual void setFont( const TQFont & );
        virtual void setPalette( const TQPalette & );
        virtual void setSelection( int, int );
        virtual void setCursorPosition( int );
        virtual void setAlignment( int flag );
    #ifndef TQT_NO_CLIPBOARD
        virtual void cut();
        virtual void copy() const;
        virtual void paste();
    #endif
        virtual void setDragEnabled( bool b );

    signals:
        void textChanged( const TQString &);
        void returnPressed();
        void lostFocus();
        void selectionChanged();

    protected:
        bool event( TQEvent * );
        void mousePressEvent( TQMouseEvent * );
        void mouseMoveEvent( TQMouseEvent * );
        void mouseReleaseEvent( TQMouseEvent * );
        void mouseDoubleClickEvent( TQMouseEvent * );
        void keyPressEvent( TQKeyEvent * );
        void imStartEvent( TQIMEvent * );
        void imComposeEvent( TQIMEvent * );
        void imEndEvent( TQIMEvent * );
        void focusInEvent( TQFocusEvent * );
        void focusOutEvent( TQFocusEvent * );
        void resizeEvent( TQResizeEvent * );
        void drawContents( TQPainter * );
    #ifndef TQT_NO_DRAGANDDROP
        void dragEnterEvent( TQDragEnterEvent * );
        void dragMoveEvent( TQDragMoveEvent *e );
        void dragLeaveEvent( TQDragLeaveEvent *e );
        void dropEvent( TQDropEvent * );
    #endif
        void contextMenuEvent( TQContextMenuEvent * );
        virtual TQPopupMenu *createPopupMenu();
        void windowActivationChange( bool );

    private slots:
        void clipboardChanged();

    public:
        void setPasswordChar( TQChar c ); // internal obsolete
        TQChar passwordChar() const; // obsolete internal
        int characterAt( int, TQChar* ) const; // obsolete
        bool getSelection( int *, int * ); // obsolete

    private:
        friend struct TQLineEditPrivate;
        TQLineEditPrivate * d;

    private:	// Disabled copy constructor and operator=
    #if defined(TQ_DISABLE_COPY)
        TQLineEdit( const TQLineEdit & );
        TQLineEdit &operator=( const TQLineEdit & );
    #endif
    };

    #endif // TQT_NO_LINEEDIT

    #endif // TQLINEEDIT_H