kexidblabel.h

/* This file is part of the KDE project
   Copyright (C) 2005 Christian Nitschkowski <segfault_ii@web.de>
   Copyright (C) 2005 Jaroslaw Staniek <js@iidea.pl>
 
   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This program 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#ifndef KEXIDBLABEL_H
#define KEXIDBLABEL_H
 
#include <tqimage.h>
#include <tqlabel.h>
 
#include <kpixmap.h>
 
#include "../kexiformdataiteminterface.h"
#include "../kexidbtextwidgetinterface.h"
#include <widget/utils/kexidisplayutils.h>
 
class TQPainter;
class TQTimer;
class KexiDBInternalLabel;


class KEXIFORMUTILS_EXPORT KexiDBLabel : public TQLabel, protected KexiDBTextWidgetInterface, public KexiFormDataItemInterface {
        TQ_OBJECT
  
        TQ_PROPERTY( TQString dataSource READ dataSource WRITE setDataSource DESIGNABLE true )
        TQ_PROPERTY( TQCString dataSourceMimeType READ dataSourceMimeType WRITE setDataSourceMimeType DESIGNABLE true )
        TQ_PROPERTY( bool shadowEnabled READ shadowEnabled WRITE setShadowEnabled DESIGNABLE true )
        TQ_OVERRIDE( TQPixmap pixmap DESIGNABLE false )
        TQ_OVERRIDE( bool scaledContents DESIGNABLE false )
//      TQ_OVERRIDE( TQColor paletteForegroundColor READ paletteForegroundColor WRITE setPaletteForegroundColor DESIGNABLE true )
        TQ_PROPERTY( TQColor frameColor READ frameColor WRITE setFrameColor DESIGNABLE true )
 
    public:
        KexiDBLabel( TQWidget *parent, const char *name = 0, WFlags f = 0 );
        KexiDBLabel( const TQString& text, TQWidget *parent, const char *name = 0, WFlags f = 0 );
        virtual ~KexiDBLabel();
 
        inline TQString dataSource() const { return KexiFormDataItemInterface::dataSource(); }
        inline TQCString dataSourceMimeType() const { return KexiFormDataItemInterface::dataSourceMimeType(); }
 
        virtual TQVariant value();
 
        bool shadowEnabled() const;
 
        virtual void setInvalidState( const TQString& displayText );
 
        virtual bool valueIsNull();
 
        virtual bool valueIsEmpty();

        virtual bool isReadOnly() const;
 
        virtual TQWidget* widget();

        virtual bool cursorAtStart();

        virtual bool cursorAtEnd();
 
        virtual void clear();

        virtual bool setProperty ( const char * name, const TQVariant & value );
 
        virtual const TQColor& frameColor() const;
 
//      const TQColor & paletteForegroundColor() const;
 
    public slots:
        inline void setDataSource( const TQString &ds ) { KexiFormDataItemInterface::setDataSource( ds ); }
 
        inline void setDataSourceMimeType(const TQCString &ds) { KexiFormDataItemInterface::setDataSourceMimeType(ds); }
 
        virtual void setText( const TQString& text );

        void setShadowEnabled( bool state );
 
        virtual void setPalette( const TQPalette &pal );
 
        virtual void setFrameColor(const TQColor& color);
 
//      void setPaletteForegroundColor( const TQColor& color );
 
    protected slots:
        virtual void setReadOnly( bool readOnly );
        void updatePixmap();
 
    protected:
        void init();
        virtual void setColumnInfo(KexiDB::QueryColumnInfo* cinfo);
        virtual void paintEvent( TQPaintEvent* );
        virtual void resizeEvent( TQResizeEvent* e );

        virtual void setValueInternal( const TQVariant& add, bool removeOld );
 
        virtual void fontChange( const TQFont& font );
        virtual void styleChange( TQStyle& style );
        virtual void enabledChange( bool enabled );
 
        virtual void paletteChange( const TQPalette& oldPal );
        virtual void frameChanged();
        virtual void showEvent( TQShowEvent* e );

        virtual void drawFrame( TQPainter * );
 
        void updatePixmapLater();
 
        class Private;
        Private *d;
};
 
#endif