YQInputField.h

/*
  Copyright (C) 2000-2012 Novell, Inc
  This library is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation; either version 2.1 of the
  License, or (at your option) version 3.0 of the License. This library
  is distributed in the hope that it will be useful, but WITHOUT ANY
  WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
  License for more details. You should have received a copy of the GNU
  Lesser General Public License along with this library; if not, write
  to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
  Floor, Boston, MA 02110-1301 USA
*/


/*-/

  File:       YQInputField.h

  Author:     Stefan Hundhammer <shundhammer@suse.de>

/-*/


#ifndef YQInputField_h
#define YQInputField_h

#include <QFrame>
#include <qlineedit.h>

#include <yui/YInputField.h>

typedef union _XEvent XEvent;
class QString;
class QY2CharValidator;
class YQWidgetCaption;
class YQRawLineEdit;

using std::string;


class YQInputField : public QFrame, public YInputField
{
    Q_OBJECT

public:
    YQInputField( YWidget *     parent,
          const std::string &   label,
          bool          passwordMode = false );

    virtual std::string value();

    virtual void setValue( const std::string & text );

    virtual void setLabel( const std::string & label );

    virtual void setValidChars( const std::string & validChars );

    virtual void setInputMaxLength( int numberOfChars );

    bool isValidText( const QString & text ) const;

    virtual void setEnabled( bool enabled );

    virtual int preferredWidth();

    virtual int preferredHeight();

    virtual void setSize( int newWidth, int newHeight );

    virtual bool setKeyboardFocus();


protected slots:
    void changed( const QString & );

    void displayCapsLockWarning();

    void clearCapsLockWarning();


protected:

    YQWidgetCaption *   _caption;
    YQRawLineEdit * _qt_lineEdit;
    QY2CharValidator *  _validator;
    bool        _shrinkable;
    bool        _displayingCapsLockWarning;
};


class YQRawLineEdit: public QLineEdit
{
    Q_OBJECT

public:

    YQRawLineEdit( QWidget * parent )
    : QLineEdit( parent )
    , _capsLockActive( false )
    {}

    virtual ~YQRawLineEdit() {};

    bool isCapsLockActive() const { return _capsLockActive; }


signals:
    void capsLockActivated();
    void capsLockDeactivated();

protected:

    bool x11Event( XEvent * event ) ;

private:

    bool _capsLockActive;
};

#endif // YQInputField_h