kexidbform.cpp

/* This file is part of the KDE project
   Copyright (C) 2004 Lucijan Busch <lucijan@kde.org>
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2005-2007 Jaroslaw Staniek <js@iidea.pl>
 
   This library 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 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#include <tqobjectlist.h>
#include <tqpainter.h>
#include <tqcursor.h>
#include <tqapplication.h>
#include <tqfocusdata.h>
 
#include <kdebug.h>
 
#include "kexidbform.h"
#include "kexiformpart.h"
#include "kexiformscrollview.h"
 
#include <formeditor/objecttree.h>
#include <formeditor/formmanager.h> 
#include <formeditor/widgetlibrary.h>
#include <widget/tableview/kexidataawareobjectiface.h>
#include <widget/kexiscrollview.h>
#include <kexiutils/utils.h>
 
class KexiDBForm::Private
{
    public:
        Private()
         : dataAwareObject(0)
         , orderedFocusWidgetsIterator(orderedFocusWidgets)
         , autoTabStops(false)
         , popupFocused(false)
        {
        }
 
        ~Private()
        {
        }
 
        int indexOfDataAwareWidget(TQWidget *widget) const
        {
            if (!dynamic_cast<KexiDataItemInterface*>(widget))
                return -1;
            return indexOfDataItem( dynamic_cast<KexiDataItemInterface*>(widget) );
        }
 
        int indexOfDataItem( KexiDataItemInterface* item ) const
        {
            TQMapConstIterator<KexiDataItemInterface*, uint> indicesForDataAwareWidgetsIt(
                indicesForDataAwareWidgets.find(item));
            if (indicesForDataAwareWidgetsIt == indicesForDataAwareWidgets.constEnd())
                return -1;
            kexipluginsdbg << "KexiDBForm: column # for item: "
                << indicesForDataAwareWidgetsIt.data() << endl;
            return indicesForDataAwareWidgetsIt.data();
        }
 
        void setOrderedFocusWidgetsIteratorTo( TQWidget *widget )
        {
            if (orderedFocusWidgetsIterator.current() == widget)
                return;
            orderedFocusWidgetsIterator.toFirst();
            while (orderedFocusWidgetsIterator.current() && orderedFocusWidgetsIterator.current()!=widget)
                ++orderedFocusWidgetsIterator;
        }
 
        KexiDataAwareObjectInterface* dataAwareObject;
        TQPtrList<TQWidget> orderedFocusWidgets; 
        TQPtrList<TQWidget> orderedDataAwareWidgets;
        TQMap<KexiDataItemInterface*, uint> indicesForDataAwareWidgets; 
        TQPtrListIterator<TQWidget> orderedFocusWidgetsIterator;
        TQPixmap buffer; 
        TQRect prev_rect; 
//      TQGuardedPtr<TQWidget> widgetFocusedBeforePopup;
        bool autoTabStops : 1;
        bool popupFocused : 1; 
};
 
//========================
 
KexiDBForm::KexiDBForm(TQWidget *parent, KexiDataAwareObjectInterface* dataAwareObject, 
    const char *name/*, KexiDB::Connection *conn*/)
 : KexiDBFormBase(parent, name)
 , KexiFormDataItemInterface()
 , d(new Private())
{
    installEventFilter(this);
//test  setDisplayMode( KexiGradientWidget::SimpleGradient );
    editedItem = 0;
    d->dataAwareObject = dataAwareObject;
    m_hasFocusableWidget = false;
 
    kexipluginsdbg << "KexiDBForm::KexiDBForm(): " << endl;
    setCursor(TQCursor(TQt::ArrowCursor)); //to avoid keeping Size cursor when moving from form's boundaries
    setAcceptDrops( true );
}
 
KexiDBForm::~KexiDBForm()
{
    kexipluginsdbg << "KexiDBForm::~KexiDBForm(): close" << endl;
    delete d;
}
 
KexiDataAwareObjectInterface* KexiDBForm::dataAwareObject() const { return d->dataAwareObject; }
 
//repaint all children widgets
static void repaintAll(TQWidget *w)
{
    TQObjectList *list = w->queryList("TQWidget");
    TQObjectListIt it(*list);
    for (TQObject *obj; (obj=it.current()); ++it ) {
        static_cast<TQWidget*>(obj)->repaint();
    }
    delete list;
}
 
void
KexiDBForm::drawRect(const TQRect& r, int type)
{
    TQValueList<TQRect> l;
    l.append(r);
    drawRects(l, type);
}
 
void
KexiDBForm::drawRects(const TQValueList<TQRect> &list, int type)
{
    TQPainter p;
    p.begin(this, true);
    bool unclipped = testWFlags( WPaintUnclipped );
    setWFlags( WPaintUnclipped );
 
    if (d->prev_rect.isValid()) {
        //redraw prev. selection's rectangle
        p.drawPixmap( TQPoint(d->prev_rect.x()-2, d->prev_rect.y()-2), d->buffer, 
            TQRect(d->prev_rect.x()-2, d->prev_rect.y()-2, d->prev_rect.width()+4, d->prev_rect.height()+4));
    }
    p.setBrush(TQBrush::NoBrush);
    if(type == 1) // selection rect
        p.setPen(TQPen(white, 1, TQt::DotLine));
    else if(type == 2) // insert rect
        p.setPen(TQPen(white, 2));
    p.setRasterOp(XorROP);
 
    d->prev_rect = TQRect();
    TQValueList<TQRect>::ConstIterator endIt = list.constEnd();
    for(TQValueList<TQRect>::ConstIterator it = list.constBegin(); it != endIt; ++it) {
        p.drawRect(*it);
        if (d->prev_rect.isValid())
            d->prev_rect = d->prev_rect.unite(*it);
        else
            d->prev_rect = *it;
    }
 
    if (!unclipped)
        clearWFlags( WPaintUnclipped );
    p.end();
}
 
void
KexiDBForm::initBuffer()
{
    repaintAll(this);
    d->buffer.resize( width(), height() );
    d->buffer = TQPixmap::grabWindow( winId() );
    d->prev_rect = TQRect();
}
 
void
KexiDBForm::clearForm()
{
    TQPainter p;
    p.begin(this, true);
    bool unclipped = testWFlags( WPaintUnclipped );
    setWFlags( WPaintUnclipped );
 
    //redraw entire form surface
    p.drawPixmap( TQPoint(0,0), d->buffer, TQRect(0,0,d->buffer.width(), d->buffer.height()) );
 
    if (!unclipped)
        clearWFlags( WPaintUnclipped );
    p.end();
 
    repaintAll(this);
}
 
void
KexiDBForm::highlightWidgets(TQWidget *from, TQWidget *to)//, const TQPoint &point)
{
    TQPoint fromPoint, toPoint;
    if(from && from->parentWidget() && (from != this))
        fromPoint = from->parentWidget()->mapTo(this, from->pos());
    if(to && to->parentWidget() && (to != this))
        toPoint = to->parentWidget()->mapTo(this, to->pos());
 
    TQPainter p;
    p.begin(this, true);
    bool unclipped = testWFlags( WPaintUnclipped );
    setWFlags( WPaintUnclipped );
 
    if (d->prev_rect.isValid()) {
        //redraw prev. selection's rectangle
        p.drawPixmap( TQPoint(d->prev_rect.x(), d->prev_rect.y()), d->buffer, 
            TQRect(d->prev_rect.x(), d->prev_rect.y(), d->prev_rect.width(), d->prev_rect.height()));
    }
 
    p.setPen( TQPen(TQt::red, 2) );
 
    if(to)
    {
        TQPixmap pix1 = TQPixmap::grabWidget(from);
        TQPixmap pix2 = TQPixmap::grabWidget(to);
 
        if((from != this) && (to != this))
            p.drawLine( from->parentWidget()->mapTo(this, from->geometry().center()), to->parentWidget()->mapTo(this, to->geometry().center()) );
 
        p.drawPixmap(fromPoint.x(), fromPoint.y(), pix1);
        p.drawPixmap(toPoint.x(), toPoint.y(), pix2);
 
        if(to == this)
            p.drawRoundRect(2, 2, width()-4, height()-4, 4, 4);
        else
            p.drawRoundRect(toPoint.x(), toPoint.y(), to->width(), to->height(), 5, 5);
    }
 
    if(from == this)
        p.drawRoundRect(2, 2, width()-4, height()-4, 4, 4);
    else
        p.drawRoundRect(fromPoint.x(),  fromPoint.y(), from->width(), from->height(), 5, 5);
 
    if((to == this) || (from == this))
        d->prev_rect = TQRect(0, 0, d->buffer.width(), d->buffer.height());
    else if(to)
    {
        d->prev_rect.setX( (fromPoint.x() < toPoint.x()) ? (fromPoint.x() - 5) : (toPoint.x() - 5) );
        d->prev_rect.setY( (fromPoint.y() < toPoint.y()) ? (fromPoint.y() - 5) : (toPoint.y() - 5) );
        d->prev_rect.setRight( (fromPoint.x() < toPoint.x()) ? (toPoint.x() + to->width() + 10) : (fromPoint.x() + from->width() + 10) );
        d->prev_rect.setBottom( (fromPoint.y() < toPoint.y()) ? (toPoint.y() + to->height() + 10) : (fromPoint.y() + from->height() + 10) ) ;
    }
    else
        d->prev_rect = TQRect(fromPoint.x()- 5,  fromPoint.y() -5, from->width() + 10, from->height() + 10);
 
    if (!unclipped)
        clearWFlags( WPaintUnclipped );
    p.end();
}
 
TQSize
KexiDBForm::sizeHint() const
{
    //todo: find better size (user configured?)
    return TQSize(400,300);
}
 
void KexiDBForm::setInvalidState( const TQString& displayText )
{
    Q_UNUSED( displayText );
 
}
 
bool KexiDBForm::autoTabStops() const
{
    return d->autoTabStops;
}
 
void KexiDBForm::setAutoTabStops(bool set)
{
    d->autoTabStops = set;
}
 
TQPtrList<TQWidget>* KexiDBForm::orderedFocusWidgets() const
{
    return &d->orderedFocusWidgets;
}
 
TQPtrList<TQWidget>* KexiDBForm::orderedDataAwareWidgets() const
{
    return &d->orderedDataAwareWidgets;
}
 
void KexiDBForm::updateTabStopsOrder(KFormDesigner::Form* form)
{
    TQWidget *fromWidget = 0;
    //TQWidget *topLevelWidget = form->widget()->topLevelWidget();
//js    form->updateTabStopsOrder(); //certain widgets can have now updated focusPolicy properties, fix this
    uint numberOfDataAwareWidgets = 0;
//  if (d->orderedFocusWidgets.isEmpty()) {
        //generate a new list
        for (KFormDesigner::ObjectTreeListIterator it(form->tabStopsIterator()); it.current(); ++it) {
            if (it.current()->widget()->focusPolicy() & TQWidget::TabFocus) {
                //this widget has tab focus:
                it.current()->widget()->installEventFilter(this);
                //also filter events for data-aware children of this widget (i.e. KexiDBAutoField's editors)
                TQObjectList *children = it.current()->widget()->queryList("TQWidget");
                for (TQObjectListIt childrenIt(*children); childrenIt.current(); ++childrenIt) {
    //              if (dynamic_cast<KexiFormDataItemInterface*>(childrenIt.current())) {
                        kexipluginsdbg << "KexiDBForm::updateTabStopsOrder(): also adding '" 
                            << childrenIt.current()->className() << " " << childrenIt.current()->name()  
                            << "' child to filtered widgets" << endl;
                        //it.current()->widget()->installEventFilter(childrenIt.current());
                        childrenIt.current()->installEventFilter(this);
        //          }
                }
                delete children;
                if (fromWidget) {
                    kexipluginsdbg << "KexiDBForm::updateTabStopsOrder() tab order: " << fromWidget->name() 
                        << " -> " << it.current()->widget()->name() << endl;
    //              setTabOrder( fromWidget, it.current()->widget() );
                }
                fromWidget = it.current()->widget();
                d->orderedFocusWidgets.append( it.current()->widget() );
            }
 
            KexiFormDataItemInterface* dataItem = dynamic_cast<KexiFormDataItemInterface*>( it.current()->widget() );
            if (dataItem && !dataItem->dataSource().isEmpty()) {
                kexipluginsdbg << "#" << numberOfDataAwareWidgets << ": " 
                    << dataItem->dataSource() << " (" << it.current()->widget()->name() << ")" << endl;
 
//  /*! @todo d->indicesForDataAwareWidgets SHOULDNT BE UPDATED HERE BECAUSE
//  THERE CAN BE ALSO NON-TABSTOP DATA WIDGETS!
//  */
                d->indicesForDataAwareWidgets.replace( 
                    dataItem, 
                    numberOfDataAwareWidgets );
                numberOfDataAwareWidgets++;
 
                d->orderedDataAwareWidgets.append( it.current()->widget() );
            }
        }//for
//  }
/*  else {
        //restore ordering
        for (TQPtrListIterator<TQWidget> it(d->orderedFocusWidgets); it.current(); ++it) {
            if (fromWidget) {
                kdDebug() << "KexiDBForm::updateTabStopsOrder() tab order: " << fromWidget->name() 
                    << " -> " << it.current()->name() << endl;
                setTabOrder( fromWidget, it.current() );
            }
            fromWidget = it.current();
        }
//      SET_FOCUS_USING_REASON(focusWidget(), TQFocusEvent::Tab);
    }*/
}
 
void KexiDBForm::updateTabStopsOrder()
{
    for (TQPtrListIterator<TQWidget> it( d->orderedFocusWidgets ); it.current();) {
        if (! (it.current()->focusPolicy() & TQWidget::TabFocus))
            d->orderedFocusWidgets.remove( it.current() );
        else
            ++it;
    }
}
 
void KexiDBForm::updateReadOnlyFlags()
{
    for (TQPtrListIterator<TQWidget> it(d->orderedDataAwareWidgets); it.current(); ++it) {
        KexiFormDataItemInterface* dataItem = dynamic_cast<KexiFormDataItemInterface*>( it.current() );
        if (dataItem && !dataItem->dataSource().isEmpty()) {
            if (dataAwareObject()->isReadOnly()) {
                dataItem->setReadOnly( true );
            }
        }
    }
}
 
bool KexiDBForm::eventFilter( TQObject * watched, TQEvent * e )
{
    //kexipluginsdbg << e->type() << endl;
    if (e->type()==TQEvent::Resize && watched == this)
        kexipluginsdbg << "RESIZE" << endl;
    if (e->type()==TQEvent::KeyPress) {
        if (preview()) {
            TQKeyEvent *ke = static_cast<TQKeyEvent*>(e);
            const int key = ke->key();
            bool tab = ke->state() == TQt::NoButton && key == TQt::Key_Tab;
            bool backtab = ((ke->state() == TQt::NoButton || ke->state() == TQt::ShiftButton) && key == TQt::Key_Backtab)
                || (ke->state() == TQt::ShiftButton && key == TQt::Key_Tab);
            TQObject *o = watched; //focusWidget();
            TQWidget* realWidget = dynamic_cast<TQWidget*>(o); //will beused below (for tab/backtab handling)
 
            if (!tab && !backtab) {
                //for buttons, left/up and right/down keys act like tab/backtab (see qbutton.cpp)
                if (realWidget->inherits("TQButton")) {
                    if (ke->state() == TQt::NoButton && (key == TQt::Key_Right || key == TQt::Key_Down))
                        tab = true;
                    else if (ke->state() == TQt::NoButton && (key == TQt::Key_Left || key == TQt::Key_Up))
                        backtab = true;
                }
            }
 
            if (!tab && !backtab) {
                // allow the editor widget to grab the key press event
                while (true) {
                    if (!o || o == dynamic_cast<TQObject*>(d->dataAwareObject))
                        break;
                    if (dynamic_cast<KexiFormDataItemInterface*>(o)) {
                        realWidget = dynamic_cast<TQWidget*>(o); //will be used below
                        if (realWidget == this) //we have encountered 'this' form surface, give up
                            return false;
                        KexiFormDataItemInterface* dataItemIface = dynamic_cast<KexiFormDataItemInterface*>(o);
                        while (dataItemIface) {
                            if (dataItemIface->keyPressed(ke))
                                return false;
                            dataItemIface = dynamic_cast<KexiFormDataItemInterface*>(dataItemIface->parentInterface()); //try in parent, e.g. in combobox
                        }
                        break;
                    }
                    o = o->parent();
                }
                // try to handle global shortcuts at the KexiDataAwareObjectInterface 
                // level (e.g. for "next record" action)
                int curRow = d->dataAwareObject->currentRow();
                int curCol = d->dataAwareObject->currentColumn();
                bool moveToFirstField; //if true, we'll move focus to the first field (in tab order)
                bool moveToLastField; //if true, we'll move focus to the first field (in tab order)
                if (! (ke->state() == TQt::NoButton && (key == TQt::Key_Home 
                         || key == TQt::Key_End || key == TQt::Key_Down || key == TQt::Key_Up)) 
                                /* ^^ home/end/down/up are already handled by widgets */
                    && d->dataAwareObject->handleKeyPress(
                        ke, curRow, curCol, false, &moveToFirstField, &moveToLastField))
                {
                    if (ke->isAccepted())
                        return true;
                    TQWidget* widgetToFocus;
                    if (moveToFirstField) {
                        widgetToFocus = d->orderedFocusWidgets.first(); //?
                        curCol = d->indexOfDataAwareWidget( widgetToFocus );
                    }
                    else if (moveToLastField) {
                        widgetToFocus = d->orderedFocusWidgets.last(); //?
                        curCol = d->indexOfDataAwareWidget( widgetToFocus );
                    }
                    else
                        widgetToFocus = d->orderedDataAwareWidgets.at( curCol ); //?
 
                    d->dataAwareObject->setCursorPosition( curRow, curCol );
 
                    if (widgetToFocus)
                        widgetToFocus->setFocus();
                    else
                        kexipluginswarn << "KexiDBForm::eventFilter(): widgetToFocus not found!" << endl;
 
                    ke->accept();
                    return true;
                }
                if (key == TQt::Key_Delete && ke->state()==TQt::ControlButton) {
                    d->dataAwareObject->deleteCurrentRow();
                    return true;
                }
            }
            // handle Esc key
            if (ke->state() == TQt::NoButton && key == TQt::Key_Escape) {
                //cancel field editing/row editing if possible
                if (d->dataAwareObject->cancelEditor())
                    return true;
                else if (d->dataAwareObject->cancelRowEdit())
                    return true;
                return false; // canceling not needed - pass the event to the active widget
            }
            // jstaniek: Fix for TQt bug (handling e.g. Alt+2, Ctrl+2 keys on every platform)
            //           It's important because we're using alt+2 short cut by default
            //           Damn! I've reported this to Trolltech in November 2004 - still not fixed.
            if (ke->isAccepted() && (ke->state() & TQt::AltButton) && ke->text()>="0" && ke->text()<="9")
                return true;
 
            if (tab || backtab) {
                //the watched widget can be a subwidget of a real widget, e.g. a drop down button of image box: find it
                while (!KexiFormPart::library()->widgetInfoForClassName(realWidget->className()))
                    realWidget = realWidget->parentWidget();
                if (!realWidget)
                    return true; //ignore
                //the watched widget can be a subwidget of a real widget, e.g. autofield: find it
                //TQWidget* realWidget = static_cast<TQWidget*>(watched);
                while (dynamic_cast<KexiDataItemInterface*>(realWidget) && dynamic_cast<KexiDataItemInterface*>(realWidget)->parentInterface())
                    realWidget = dynamic_cast<TQWidget*>( dynamic_cast<KexiDataItemInterface*>(realWidget)->parentInterface() );
 
                d->setOrderedFocusWidgetsIteratorTo( realWidget );
                kexipluginsdbg << realWidget->name() << endl;
 
                // find next/prev widget to focus
                TQWidget *widgetToUnfocus = realWidget;
                TQWidget *widgetToFocus = 0;
                bool wasAtFirstWidget = false; //used to protect against infinite loop
                while (true) {
                    if (tab) {
                        if (d->orderedFocusWidgets.first() && realWidget == d->orderedFocusWidgets.last()) {
                            if (wasAtFirstWidget)
                                break;
                            d->orderedFocusWidgetsIterator.toFirst();
                            wasAtFirstWidget = true;
                        }
                        else if (realWidget == d->orderedFocusWidgetsIterator.current()) {
                            ++d->orderedFocusWidgetsIterator; //next
                        }
                        else
                            return true; //ignore
                    }
                    else {//backtab
                        if (d->orderedFocusWidgets.last() && realWidget == d->orderedFocusWidgets.first()) {
                            d->orderedFocusWidgetsIterator.toLast();
                        }
                        else if (realWidget == d->orderedFocusWidgetsIterator.current()) {
                            --d->orderedFocusWidgetsIterator; //prev
                        }
                        else
                            return true; //ignore
                    }
 
                    widgetToFocus = d->orderedFocusWidgetsIterator.current();
 
                    TQObject *pageFor_widgetToFocus = 0;
                    KFormDesigner::TabWidget *tabWidgetFor_widgetToFocus 
                        = KFormDesigner::findParent<KFormDesigner::TabWidget>(
                            widgetToFocus, "KFormDesigner::TabWidget", pageFor_widgetToFocus);
                    if (tabWidgetFor_widgetToFocus && tabWidgetFor_widgetToFocus->currentPage()!=pageFor_widgetToFocus) {
                        realWidget = widgetToFocus;
                        continue; //the new widget to focus is placed on invisible tab page: move to next widget
                    }
                    break;
                }//while
            
                //set focus, but don't use just setFocus() because certain widgets
                //behaves differently (e.g. TQLineEdit calls selectAll()) when 
                //focus event's reason is TQFocusEvent::Tab
                if (widgetToFocus->focusProxy())
                    widgetToFocus = widgetToFocus->focusProxy();
                if (widgetToFocus && d->dataAwareObject->acceptEditor()) {
                    if (tab) {
                        //try to accept this will validate the current input (if any)
                        KexiUtils::unsetFocusWithReason(widgetToUnfocus, TQFocusEvent::Tab);
                        KexiUtils::setFocusWithReason(widgetToFocus, TQFocusEvent::Tab);
                        kexipluginsdbg << "focusing " << widgetToFocus->name() << endl;
                    }
                    else {//backtab
                        KexiUtils::unsetFocusWithReason(widgetToUnfocus, TQFocusEvent::Backtab);
                        //set focus, see above note
                        KexiUtils::setFocusWithReason(d->orderedFocusWidgetsIterator.current(), TQFocusEvent::Backtab);
                        kexipluginsdbg << "focusing " << d->orderedFocusWidgetsIterator.current()->name() << endl;
                    }
                }
                return true;
            }
        }
    }
    else if (e->type()==TQEvent::FocusIn) {
        bool focusDataWidget = preview();
        if (static_cast<TQFocusEvent*>(e)->reason()==TQFocusEvent::Popup) {
            kdDebug() << "->>> focus IN, popup" <<endl;
            focusDataWidget = !d->popupFocused;
            d->popupFocused = false;
//          if (d->widgetFocusedBeforePopup) {
//              watched = d->widgetFocusedBeforePopup;
//              d->widgetFocusedBeforePopup = 0;
//          }
        }
 
        if (focusDataWidget) {
            kexipluginsdbg << "KexiDBForm: FocusIn: " << watched->className() << " " << watched->name() << endl;
            if (d->dataAwareObject) {
                TQWidget *dataItem = dynamic_cast<TQWidget*>(watched);
                while (dataItem) {
                    while (dataItem && !dynamic_cast<KexiDataItemInterface*>(dataItem))
                        dataItem = dataItem->parentWidget();
                    if (!dataItem)
                        break;
                    kexipluginsdbg << "KexiDBForm: FocusIn: FOUND " << dataItem->className() << " " << dataItem->name() << endl;
 
                    const int index = d->indexOfDataAwareWidget(dataItem);
                    if (index>=0) {
                        kexipluginsdbg << "KexiDBForm: moving cursor to column #" << index << endl;
                        editedItem = 0;
                        if ((int)index!=d->dataAwareObject->currentColumn()) {
                            d->dataAwareObject->setCursorPosition( d->dataAwareObject->currentRow(), index /*column*/ );
                        }
                        break;
                    }
                    else
                        dataItem = dataItem->parentWidget();
 
                    dataItem->update();
                }
            }
        }
    }
    else if (e->type()==TQEvent::FocusOut) {
        if (static_cast<TQFocusEvent*>(e)->reason()==TQFocusEvent::Popup) {
            //d->widgetFocusedBeforePopup = (TQWidget*)watched;
            d->popupFocused = true;
        }
        else
            d->popupFocused = false;
//          d->widgetFocusedBeforePopup = 0;
//      kdDebug() << "e->type()==TQEvent::FocusOut " << watched->className() << " " <<watched->name() << endl;
//      UNSET_FOCUS_USING_REASON(watched, static_cast<TQFocusEvent*>(e)->reason());
    }
    return KexiDBFormBase::eventFilter(watched, e);
}
 
bool KexiDBForm::valueIsNull()
{
    return true;
}
 
bool KexiDBForm::valueIsEmpty()
{
    return true;
}
 
bool KexiDBForm::isReadOnly() const
{
    if (d->dataAwareObject)
        return d->dataAwareObject->isReadOnly();
    return false;
}
 
void KexiDBForm::setReadOnly( bool readOnly )
{
    if (d->dataAwareObject)
        d->dataAwareObject->setReadOnly( readOnly ); //???
}
 
TQWidget* KexiDBForm::widget()
{
    return this;
}
 
bool KexiDBForm::cursorAtStart()
{
    return false;
}
 
bool KexiDBForm::cursorAtEnd()
{
    return false;
}
 
void KexiDBForm::clear()
{
}
 
bool KexiDBForm::preview() const {
    return dynamic_cast<KexiScrollView*>(d->dataAwareObject)
        ? dynamic_cast<KexiScrollView*>(d->dataAwareObject)->preview() : false;
}
 
void KexiDBForm::dragMoveEvent( TQDragMoveEvent *e )
{
    KexiDBFormBase::dragMoveEvent( e );
    emit handleDragMoveEvent(e);
}
 
void KexiDBForm::dropEvent( TQDropEvent *e ) 
{
    KexiDBFormBase::dropEvent( e );
    emit handleDropEvent(e);
}
 
void KexiDBForm::setCursor( const TQCursor & cursor )
{
    //js: empty, to avoid fscking problems with random cursors!
 
    if (KFormDesigner::FormManager::self()->isInserting()) //exception
        KexiDBFormBase::setCursor(cursor);
}
 
#include "kexidbform.moc"