kexidbcombobox.h

/* This file is part of the KDE project
   Copyright (C) 2006-2007 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 KexiDBComboBox_H
#define KexiDBComboBox_H
 
#include "kexidbutils.h"
#include "kexidbautofield.h"
#include <widget/tableview/kexicomboboxbase.h>


class KEXIFORMUTILS_EXPORT KexiDBComboBox : 
    public KexiDBAutoField, public KexiComboBoxBase
{
    TQ_OBJECT
  
    TQ_PROPERTY( bool editable READ isEditable WRITE setEditable )
    //properties from KexiDBAutoField that should not be visible:
    TQ_OVERRIDE(TQColor paletteBackgroundColor READ paletteBackgroundColor WRITE setPaletteBackgroundColor DESIGNABLE true RESET unsetPalette)
    TQ_OVERRIDE(TQColor foregroundLabelColor DESIGNABLE false)
    TQ_OVERRIDE(TQColor backgroundLabelColor DESIGNABLE false)
    TQ_OVERRIDE(bool autoCaption DESIGNABLE false)
 
    public:
        KexiDBComboBox(TQWidget *parent, const char *name=0, bool designMode = true);
        virtual ~KexiDBComboBox();

        virtual KexiTableViewColumn *column() const { return 0; }

        virtual KexiDB::Field *field() const { return KexiDBAutoField::field(); }

        virtual TQVariant origValue() const { return m_origValue; }
 
        void setEditable(bool set);
        bool isEditable() const;
 
        virtual void setLabelPosition(LabelPosition position);
 
        virtual TQVariant value() { return KexiComboBoxBase::value(); }
 
        virtual TQVariant visibleValue();

        virtual bool valueChanged();
 
        virtual TQSize sizeHint() const;

        virtual void setColumnInfo(KexiDB::QueryColumnInfo* cinfo);

        virtual void setVisibleColumnInfo(KexiDB::QueryColumnInfo* cinfo);

        virtual KexiDB::QueryColumnInfo* visibleColumnInfo() const;
 
        const TQColor & paletteBackgroundColor() const { return KexiDBAutoField::paletteBackgroundColor(); }

        virtual void setPaletteBackgroundColor( const TQColor & color );

        virtual void undoChanges();
 
    public slots:
        void slotRowAccepted(KexiTableItem *item, int row);
        void slotItemSelected(KexiTableItem* item) { KexiComboBoxBase::slotItemSelected(item); }
 
    protected slots:
        void slotInternalEditorValueChanged(const TQVariant& v)
            { KexiComboBoxBase::slotInternalEditorValueChanged(v); }
 
    protected:
        TQRect buttonGeometry() const;
 
        virtual void paintEvent( TQPaintEvent * );
 
        virtual void mousePressEvent( TQMouseEvent *e );
 
        void mouseDoubleClickEvent( TQMouseEvent *e );
 
        virtual bool eventFilter( TQObject *o, TQEvent *e );

        TQRect editorGeometry() const;

        virtual void createEditor();

        virtual void styleChange( TQStyle& oldStyle );

        virtual void fontChange( const TQFont & oldFont );
 
        virtual bool subwidgetStretchRequired(KexiDBAutoField* autoField) const;

        virtual TQWidget *internalEditor() const { return /*WidgetWithSubpropertiesInterface*/m_subwidget; }

        virtual void moveCursorToEndInInternalEditor();

        virtual void selectAllInInternalEditor();

        virtual void setValueInInternalEditor(const TQVariant& value);

        virtual TQVariant valueFromInternalEditor();

        virtual void editRequested();

        virtual void acceptRequested();

        virtual TQPoint mapFromParentToGlobal(const TQPoint& pos) const;

        virtual int popupWidthHint() const;
 
        virtual void setValueInternal(const TQVariant& add, bool removeOld);

        virtual void setVisibleValueInternal(const TQVariant& value);
 
        bool handleMousePressEvent(TQMouseEvent *e);
 
        bool handleKeyPressEvent(TQKeyEvent *ke);

        virtual void beforeSignalValueChanged();
 
        virtual KexiComboBoxPopup *popup() const;
        virtual void setPopup(KexiComboBoxPopup *popup);

        virtual bool keyPressed(TQKeyEvent *ke);
 
        class Private;
        Private * const d;
};
 
#endif