widgetpropertyset.cpp

/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2004-2006 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 "widgetpropertyset.h"
 
#include <tqstringlist.h>
#include <tqstrlist.h>
#include <tqmetaobject.h>
#include <tqvariant.h>
#include <tqevent.h>
#include <tqlayout.h>
#include <tqapplication.h>
#include <tqeventloop.h>
 
#include <tdelocale.h>
#include <kdebug.h>
#include <tdemessagebox.h>
 
#include "objecttree.h"
#include "form.h"
#include "container.h"
#include "formmanager.h"
#include "widgetlibrary.h"
#include "commands.h"
#include "widgetwithsubpropertiesinterface.h"
 
#include <kexiutils/utils.h>
#include <kexiutils/identifier.h>
 
using namespace KFormDesigner;
 
namespace KFormDesigner {
 
typedef TQValueList< TQGuardedPtr<TQWidget> > TQGuardedWidgetList;
 
class WidgetPropertySetPrivate
{
    public:
        WidgetPropertySetPrivate()
        : lastCommand(0), lastGeoCommand(0),
         isUndoing(false), slotPropertyChangedEnabled(true),
         slotPropertyChanged_addCommandEnabled(true),
         origActiveColors(0)
        {}
        ~WidgetPropertySetPrivate()
        {
            delete origActiveColors;
        }
 
        KoProperty::Set  set;
        // list of properties (not) to show in editor
        TQStringList  properties;
        // list of widgets
        TQGuardedWidgetList widgets;
//      FormManager  *manager;
 
        // used to update command's value when undoing
        PropertyCommand  *lastCommand;
        GeometryPropertyCommand  *lastGeoCommand;
        bool isUndoing : 1;
        bool slotPropertyChangedEnabled : 1;
        bool slotPropertyChanged_addCommandEnabled : 1;
 
        // helper to change color palette when switching 'enabled' property
        TQColorGroup* origActiveColors;
 
        // i18n stuff
        TQMap<TQCString, TQString> propCaption;
        TQMap<TQCString, TQString> propValCaption;
};
}
 
WidgetPropertySet::WidgetPropertySet(TQObject *parent)
 : TQObject(parent, "kfd_widgetPropertySet")
{
    d = new WidgetPropertySetPrivate();
//  d->manager = manager;
 
    connect(&d->set, TQ_SIGNAL(propertyChanged(KoProperty::Set&, KoProperty::Property&)),
        this, TQ_SLOT(slotPropertyChanged(KoProperty::Set&, KoProperty::Property&)));
    connect(&d->set, TQ_SIGNAL(propertyReset(KoProperty::Set&, KoProperty::Property&)),
        this, TQ_SLOT(slotPropertyReset(KoProperty::Set&, KoProperty::Property&)));
 
    initPropertiesDescription();
}
 
WidgetPropertySet::~WidgetPropertySet()
{
    delete d;
}
 
/*FormManager*
WidgetPropertySet::manager()
{
    return d->manager;
}*/
 
KoProperty::Property&
WidgetPropertySet::operator[](const TQCString &name)
{
    return d->set[name];
}
 
KoProperty::Property&
WidgetPropertySet::property(const TQCString &name)
{
    return d->set[name];
}
 
bool
WidgetPropertySet::contains(const TQCString &property)
{
    return d->set.contains(property);
}
 
KoProperty::Set*
WidgetPropertySet::set()
{
    return &(d->set);
}
 
void
WidgetPropertySet::clearSet(bool dontSignalShowPropertySet)
{
    saveModifiedProperties();
 
    if (!dontSignalShowPropertySet)
        KFormDesigner::FormManager::self()->showPropertySet(0);
    d->widgets.clear();
    d->lastCommand = 0;
    d->lastGeoCommand = 0;
    d->properties.clear();
    d->set.clear();
 
    if(!d->widgets.isEmpty())  {
        d->widgets.first()->removeEventFilter(this);
        disconnect(d->widgets.first(), 0, this, 0);
    }
}
 
void
WidgetPropertySet::saveModifiedProperties()
{
    TQWidget * w = d->widgets.first();
    if(!w || d->widgets.count() > 1 || !KFormDesigner::FormManager::self()->activeForm() || !KFormDesigner::FormManager::self()->activeForm()->objectTree())
            return;
    ObjectTreeItem *tree = KFormDesigner::FormManager::self()->activeForm()->objectTree()->lookup(w->name());
    if(!tree)
        return;
 
    for(KoProperty::Set::Iterator it(d->set); it.current(); ++it) {
        if(it.current()->isModified())
            tree->addModifiedProperty(it.current()->name(), it.current()->oldValue());
    }
}
 
void
WidgetPropertySet::setUndoing(bool isUndoing)
{
    d->isUndoing = isUndoing;
}
 
bool
WidgetPropertySet::isUndoing()
{
    return d->isUndoing;
}
 
 
void
WidgetPropertySet::setSelectedWidget(TQWidget *w, bool add, bool forceReload, bool moreWillBeSelected)
{
    if(!w) {
        clearSet();
        return;
    }
 
    // don't add a widget twice
    if(!forceReload && d->widgets.contains(TQGuardedPtr<TQWidget>(w))) {
        kdWarning() << "WidgetPropertySet::setSelectedWidget() Widget is already selected" << endl;
        return;
    }
    // if our list is empty,don't use add parameter value
    if(d->widgets.count() == 0)
        add = false;
 
    TQCString prevProperty;
    if(add)
        addWidget(w);
    else {
        if (forceReload) {
            KFormDesigner::FormManager::self()->showPropertySet(0, true/*force*/);
            prevProperty = d->set.prevSelection();
        }
        clearSet(true); //clear but do not reload to avoid blinking
        d->widgets.append(TQGuardedPtr<TQWidget>(w));
        createPropertiesForWidget(w);
 
        w->installEventFilter(this);
        connect(w, TQ_SIGNAL(destroyed()), this, TQ_SLOT(slotWidgetDestroyed()));
    }
 
    if (!moreWillBeSelected)
        KFormDesigner::FormManager::self()->showPropertySet(this, true/*force*/, prevProperty);
}
 
void
WidgetPropertySet::addWidget(TQWidget *w)
{
    d->widgets.append(TQGuardedPtr<TQWidget>(w));
 
    // Reset some stuff
    d->lastCommand = 0;
    d->lastGeoCommand = 0;
    d->properties.clear();
 
    TQCString classname;
    if(d->widgets.first()->className() == w->className())
        classname = d->widgets.first()->className();
 
    // show only properties shared by widget (properties chosen by factory)
    bool isTopLevel = KFormDesigner::FormManager::self()->isTopLevel(w);
 
    //WidgetWithSubpropertiesInterface* subpropIface = dynamic_cast<WidgetWithSubpropertiesInterface*>(w);
//  TQWidget *subwidget = isSubproperty ? subpropIface->subwidget() : w;
 
    for(KoProperty::Set::Iterator it(d->set); it.current(); ++it) {
        kdDebug() << it.currentKey() << endl;
        if(!isPropertyVisible(it.currentKey(), isTopLevel, classname))
            d->set[it.currentKey()].setVisible(false);
    }
 
    if (d->widgets.count()>=2) {
        //second widget, update metainfo
        d->set["this:className"].setValue("special:multiple");
        d->set["this:classString"].setValue(
            i18n("Multiple Widgets") + TQString(" (%1)").arg(d->widgets.count()) );
        d->set["this:iconName"].setValue("multiple_obj");
        //name doesn't make sense for now
        d->set["name"].setValue("");
    }
}
 
void
WidgetPropertySet::createPropertiesForWidget(TQWidget *w)
{
    Form *form;
    if (!KFormDesigner::FormManager::self() 
        || !(form = KFormDesigner::FormManager::self()->activeForm()) 
        || !KFormDesigner::FormManager::self()->activeForm()->objectTree())
    {
        kdWarning() << "WidgetPropertySet::createPropertiesForWidget() no manager or active form!!!" << endl;
        return;
    }
    ObjectTreeItem *tree = form->objectTree()->lookup(w->name());
    if(!tree)
        return;
 
    const TQStringVariantMap* modifiedProperties = tree->modifiedProperties();
    TQStringVariantMapConstIterator modifiedPropertiesIt;
    bool isTopLevel = KFormDesigner::FormManager::self()->isTopLevel(w);
//  int count = 0;
    KoProperty::Property *newProp = 0;
    WidgetInfo *winfo = form->library()->widgetInfoForClassName(w->className());
    if (!winfo) {
        kdWarning() << "WidgetPropertySet::createPropertiesForWidget() no widget info for class " 
            << w->className() << endl;
        return;
    }
 
    TQStrList pList = w->metaObject()->propertyNames(true);
    TQStrListIterator it(pList);
 
    // add subproperties if available
    WidgetWithSubpropertiesInterface* subpropIface = dynamic_cast<WidgetWithSubpropertiesInterface*>(w);
    TQStrList tmpList; //used to allocate copy of names
    if (subpropIface) {
        TQValueList<TQCString> subproperies( 
            subpropIface->subproperies() );
        foreach(TQValueListConstIterator<TQCString>, it, subproperies ) {
            tmpList.append( *it );
            pList.append( tmpList.last() );
            kdDebug() << "Added subproperty: " << *it << endl;
        }
    }
 
    // iterate over the property list, and create Property objects
    for(; it.current() != 0; ++it) {
        //kdDebug() << ">> " << it.current() << endl;
        const TQMetaProperty *subMeta = // special case - subproperty
            subpropIface ? subpropIface->findMetaSubproperty(it.current()) : 0;
        const TQMetaProperty *meta = subMeta ? subMeta 
             : w->metaObject()->property( w->metaObject()->findProperty(*it, true), true);
        if (!meta)
            continue;
        const char* propertyName = meta->name();
        TQWidget *subwidget = subMeta/*subpropIface*/ ? subpropIface->subwidget() : w;
        WidgetInfo *subwinfo = form->library()->widgetInfoForClassName(subwidget->className());
//      kdDebug() << "$$$ " << subwidget->className() << endl;
 
        if(subwinfo && meta->designable(subwidget) && !d->set.contains(propertyName)) {
            TQString desc( d->propCaption[meta->name()] );
            if (desc.isEmpty())  //try to get property description from factory
                desc = form->library()->propertyDescForName(subwinfo, propertyName);
 
            modifiedPropertiesIt = modifiedProperties->find(propertyName);
            const bool oldValueExists = modifiedPropertiesIt!=modifiedProperties->constEnd();
 
            if(meta->isEnumType()) {
                if(qstrcmp(propertyName, "alignment") == 0)  {
                    createAlignProperty(meta, w, subwidget);
                    continue;
                }
 
                TQStringList keys = TQStringList::fromStrList( meta->enumKeys() );
                newProp = new KoProperty::Property(propertyName, createValueList(subwinfo, keys),
                    /* assign current or older value */
                    meta->valueToKey( 
                        oldValueExists ? modifiedPropertiesIt.data().toInt() : subwidget->property(propertyName).toInt() ), 
                    desc, desc );
                //now set current value, so the old one is stored as old
                if (oldValueExists) {
                    newProp->setValue( meta->valueToKey( subwidget->property(propertyName).toInt() ) );
                }
            }
            else {
                newProp = new KoProperty::Property(propertyName, 
                    /* assign current or older value */
                    oldValueExists ? TQVariant(modifiedPropertiesIt.data()) : TQVariant(subwidget->property(propertyName)), 
                    desc, desc, subwinfo->customTypeForProperty(propertyName));
                //now set current value, so the old one is stored as old
                if (oldValueExists) {
                    newProp->setValue( subwidget->property(propertyName) );
                }
            }
 
            d->set.addProperty(newProp);
            if(!isPropertyVisible(propertyName, isTopLevel))
                newProp->setVisible(false);
            if(newProp->type() == 0) // invalid type == null pixmap ?
                newProp->setType(KoProperty::Pixmap);
        }
 
//      if(0==qstrcmp(propertyName, "name"))
//          (*this)["name"].setAutoSync(0); // name should be updated only when pressing Enter
 
        // \todo js what does this mean? why do you use WidgetInfo and not WidgetLibrary
        /*if (winfo) {
            tristate autoSync = winfo->autoSyncForProperty( propertyName );
            if (! ~autoSync)
                d->set[propertyName].setAutoSync( autoSync );
        }*/
 
        // update the Property.oldValue() and isModified() using the value stored in the ObjectTreeItem
        updatePropertyValue(tree, propertyName, meta);
    }
 
    (*this)["name"].setAutoSync(false); // name should be updated only when pressing Enter
    (*this)["enabled"].setValue( TQVariant(tree->isEnabled()));
 
    if (winfo) {
        form->library()->setPropertyOptions(*this, *winfo, w);
        d->set.addProperty( newProp = new KoProperty::Property("this:classString", winfo->name()) );
        newProp->setVisible(false);
        d->set.addProperty( newProp = new KoProperty::Property("this:iconName", winfo->pixmap()) );
        newProp->setVisible(false);
    }
    d->set.addProperty( newProp = new KoProperty::Property("this:className", w->className()) ); 
    newProp->setVisible(false);
 
    if(KFormDesigner::FormManager::self()->activeForm() && tree->container()) // we are a container -> layout property
        createLayoutProperty(tree);
}
 
void
WidgetPropertySet::updatePropertyValue(ObjectTreeItem *tree, const char *property, const TQMetaProperty *meta)
{
    const char *propertyName = meta ? meta->name() : property;
    if (!d->set.contains(propertyName))
        return;
    KoProperty::Property p( d->set[propertyName] );
 
    TQStringVariantMap::ConstIterator it( tree->modifiedProperties()->find(propertyName) );
    if (it != tree->modifiedProperties()->constEnd()) {
        blockSignals(true);
        if(meta && meta->isEnumType()) {
            p.setValue( meta->valueToKey( it.data().toInt() ), false );
        }
        else {
            p.setValue(it.data(), false );
        }
        p.setValue(p.value(), true);
        blockSignals(false);
    }
}
 
bool
WidgetPropertySet::isPropertyVisible(const TQCString &property, bool isTopLevel, const TQCString &classname)
{
    const bool multiple = d->widgets.count() >= 2;
    if(multiple && classname.isEmpty())
        return false;
/* moved to WidgetLibrary::isPropertyVisible()
    if(d->widgets.count() < 2)
    {
        if(d->properties.isEmpty() && !isTopLevel)
            d->properties << "caption" << "icon" << "sizeIncrement" << "iconText";
         // don't show these properties for a non-toplevel widget
 
        if(! (d->properties.grep(property)).isEmpty() )
            return false;
    }
    else
    {
        if(classname.isEmpty())
            return false;
 
        if(d->properties.isEmpty())  {
            d->properties << "font" << "paletteBackgroundColor" << "enabled" << "paletteForegroundColor"
               << "cursor" << "paletteBackgroundPixmap";
        } // properties always shown in multiple mode
        if(! (d->properties.grep(property)).isEmpty() )
            return true;
    }
*/
 
//  return KFormDesigner::FormManager::self()->lib()->isPropertyVisible(d->widgets.first()->className(), d->widgets.first(),
    TQWidget *w = d->widgets.first();
    WidgetWithSubpropertiesInterface* subpropIface = dynamic_cast<WidgetWithSubpropertiesInterface*>(w);
    TQWidget *subwidget;
    if (subpropIface && subpropIface->findMetaSubproperty(property)) // special case - subproperty
        subwidget = subpropIface->subwidget();
    else
        subwidget = w;
 
    return KFormDesigner::FormManager::self()->activeForm()->library()->isPropertyVisible(
        subwidget->className(), subwidget, property, multiple, isTopLevel);
}
 
 
void
WidgetPropertySet::slotPropertyChanged(KoProperty::Set& set, KoProperty::Property& p)
{
    Q_UNUSED( set );
 
    if(!d->slotPropertyChangedEnabled || !KFormDesigner::FormManager::self() || !KFormDesigner::FormManager::self()->activeForm()
        || ! KFormDesigner::FormManager::self()->activeForm()->objectTree())
        return;
 
    TQCString property = p.name();
    if (0==property.find("this:"))
        return; //starts with magical prefix: it's a "meta" prop.
 
    TQVariant value = p.value();
 
    // check if the name is valid (ie is correct identifier) and there is no name conflict
    if(property == "name") {
        if(d->widgets.count()!=1)
            return;
        if(!isNameValid(value.toString()))
            return;
    }
    // a widget with a background pixmap should have its own origin
    else if(property == "paletteBackgroundPixmap") {
        d->set["backgroundOrigin"] = "WidgetOrigin";
    //else if(property == "signals")
    //  return;
    // special types of properties handled separately
    } else if((property == "hAlign") || (property == "vAlign") || (property == "wordbreak")) {
        saveAlignProperty(property);
        return;
    }
    else if((property == "layout") || (property == "layoutMargin") || (property == "layoutSpacing")) {
        saveLayoutProperty(property, value);
        return;
    }
    // we cannot really disable the widget, we just change its color palette
    else if(property == "enabled")  {
        saveEnabledProperty(value.toBool());
        return;
    }
 
     // make sure we are not already undoing -> avoid recursion
    if(d->isUndoing && !KFormDesigner::FormManager::self()->isRedoing())
        return;
 
    const bool alterLastCommand = d->lastCommand && d->lastCommand->property() == property;
 
    if(d->widgets.count() == 1) // one widget selected
    {
        // If the last command is the same, we just change its value
        if(alterLastCommand && !KFormDesigner::FormManager::self()->isRedoing())
            d->lastCommand->setValue(value);
        else  {
//          if(m_widgets.first() && ((m_widgets.first() != m_manager->activeForm()->widget()) || (property != "geometry"))) {
            if (d->slotPropertyChanged_addCommandEnabled && !KFormDesigner::FormManager::self()->isRedoing()) {
                d->lastCommand = new PropertyCommand(this, d->widgets.first()->name(),
                        d->widgets.first()->property(property), value, property);
                KFormDesigner::FormManager::self()->activeForm()->addCommand(d->lastCommand, false);
            }
 
            // If the property is changed, we add it in ObjectTreeItem modifProp
            ObjectTreeItem *tree = KFormDesigner::FormManager::self()->activeForm()->objectTree()->lookup(d->widgets.first()->name());
            if (tree && p.isModified())
                tree->addModifiedProperty(property, d->widgets.first()->property(property));
        }
 
            if(property == "name")
                emit widgetNameChanged(d->widgets.first()->name(), p.value().toCString());
            d->widgets.first()->setProperty(property, value);
            emitWidgetPropertyChanged(d->widgets.first(), property, value);
    }
    else
    {
        if(alterLastCommand && !KFormDesigner::FormManager::self()->isRedoing())
            d->lastCommand->setValue(value);
        else {
            if (d->slotPropertyChanged_addCommandEnabled && !KFormDesigner::FormManager::self()->isRedoing()) {
                // We store old values for each widget
                TQMap<TQCString, TQVariant> list;
    //          for(TQWidget *w = d->widgets.first(); w; w = d->widgets.next())
                foreach(TQGuardedWidgetList::ConstIterator, it, d->widgets)
                    list.insert((*it)->name(), (*it)->property(property));
 
                d->lastCommand = new PropertyCommand(this, list, value, property);
                KFormDesigner::FormManager::self()->activeForm()->addCommand(d->lastCommand, false);
            }
        }
 
//          for(TQWidget *w = d->widgets.first(); w; w = d->widgets.next())
        foreach(TQGuardedWidgetList::ConstIterator, it, d->widgets) {
            if (!alterLastCommand) {
                ObjectTreeItem *tree = KFormDesigner::FormManager::self()->activeForm()->objectTree()
                    ->lookup((*it)->name());
                if(tree && p.isModified())
                    tree->addModifiedProperty(property, (*it)->property(property));
            }
            (*it)->setProperty(property, value);
            emitWidgetPropertyChanged((*it), property, value);
        }
    }
}
 
void WidgetPropertySet::emitWidgetPropertyChanged(TQWidget *w, const TQCString& property, const TQVariant& value)
{
    emit widgetPropertyChanged(w, property, value);
 
    Form *form = KFormDesigner::FormManager::self()->activeForm();
    if (form && form->library()->propertySetShouldBeReloadedAfterPropertyChange( w->className(), w, property)) {
        //setSelectedWidget(0, false);
        tqApp->eventLoop()->processEvents(TQEventLoop::AllEvents); //be sure events related to editors are consumed
        setSelectedWidget(w, false, /*forceReload*/true);
        tqApp->eventLoop()->processEvents(TQEventLoop::AllEvents); //be sure events related to editors are consumed
        //KFormDesigner::FormManager::self()->showPropertySet(this, true/*forceReload*/);
    }
}
 
void
WidgetPropertySet::createPropertyCommandsInDesignMode(TQWidget* widget, 
    const TQMap<TQCString, TQVariant> &propValues, CommandGroup *group, bool addToActiveForm,
    bool execFlagForSubCommands)
{
    if (!widget || propValues.isEmpty())
        return;
    
    //is this widget selected? (if so, use property system)
    const bool widgetIsSelected = KFormDesigner::FormManager::self()->activeForm()->selectedWidget() == widget;
 
    d->slotPropertyChanged_addCommandEnabled = false;
    TQMap<TQCString, TQVariant>::ConstIterator endIt = propValues.constEnd();
//  CommandGroup *group = new CommandGroup(commandName);
    for(TQMap<TQCString, TQVariant>::ConstIterator it = propValues.constBegin(); it != endIt; ++it)
    {
        if (!d->set.contains(it.key())) {
            kdWarning() << "WidgetPropertySet::createPropertyCommandsInDesignMode(): \"" <<it.key()<<"\" property not found"<<endl;
            continue;
        }
        PropertyCommand *subCommand = new PropertyCommand(this, widget->name(),
            widget->property(it.key()), it.data(), it.key());
        group->addCommand( subCommand, execFlagForSubCommands);
        if (widgetIsSelected) {
            d->set[it.key()].setValue(it.data());
        }
        else {
            WidgetWithSubpropertiesInterface* subpropIface = dynamic_cast<WidgetWithSubpropertiesInterface*>(widget);
            TQWidget *subwidget = (subpropIface && subpropIface->subwidget()) ? subpropIface->subwidget() : widget;
            if (-1 != subwidget->metaObject()->findProperty(it.key(), true) && subwidget->property(it.key())!=it.data()) {
                ObjectTreeItem *tree = KFormDesigner::FormManager::self()->activeForm()->objectTree()->lookup(widget->name());
                if (tree)
                    tree->addModifiedProperty(it.key(), subwidget->property(it.key()));
                subwidget->setProperty(it.key(), it.data());
                emit widgetPropertyChanged(widget, it.key(), it.data());
            }
        }
    }
    d->lastCommand = 0;
    if (addToActiveForm)
        KFormDesigner::FormManager::self()->activeForm()->addCommand(group, false/*no exec*/);
    d->slotPropertyChanged_addCommandEnabled = true;
//  }
}
 
void
WidgetPropertySet::saveEnabledProperty(bool value)
{
//  for(TQWidget *w = d->widgets.first(); w; w = d->widgets.next()) {
    foreach(TQGuardedWidgetList::ConstIterator, it, d->widgets) {
        ObjectTreeItem *tree = KFormDesigner::FormManager::self()->activeForm()->objectTree()
            ->lookup((*it)->name());
        if(tree->isEnabled() == value)
            continue;
 
        TQPalette p( (*it)->palette() );
        if (!d->origActiveColors)
            d->origActiveColors = new TQColorGroup( p.active() );
        if (value) {
            if (d->origActiveColors)
                p.setActive( *d->origActiveColors ); //revert
        }
        else {
            TQColorGroup cg = p.disabled();
            //also make base color a bit disabled-like
            cg.setColor(TQColorGroup::Base, cg.color(TQColorGroup::Background));
            p.setActive(cg);
        }
        (*it)->setPalette(p);
 
        tree->setEnabled(value);
        emit widgetPropertyChanged((*it), "enabled", TQVariant(value));
    }
}
 
bool
WidgetPropertySet::isNameValid(const TQString &name)
{
    TQWidget *w = d->widgets.first();
    //also update widget's name in TQObject member
    if (!KexiUtils::isIdentifier(name)) {
        KMessageBox::sorry(KFormDesigner::FormManager::self()->activeForm()->widget(),
            i18n("Could not rename widget \"%1\" to \"%2\" because "
            "\"%3\" is not a valid name (identifier) for a widget.\n")
            .arg(w->name()).arg(name).arg(name));
        d->slotPropertyChangedEnabled = false;
        d->set["name"].resetValue();
        d->slotPropertyChangedEnabled = true;
        return false;
    }
 
    if (KFormDesigner::FormManager::self()->activeForm()->objectTree()->lookup(name)) {
        KMessageBox::sorry( KFormDesigner::FormManager::self()->activeForm()->widget(),
            i18n("Could not rename widget \"%1\" to \"%2\" "
            "because a widget with the name \"%3\" already exists.\n")
            .arg(w->name()).arg(name).arg(name));
        d->slotPropertyChangedEnabled = false;
        d->set["name"].resetValue();
        d->slotPropertyChangedEnabled = true;
        return false;
    }
 
    return true; //ie name is correct
}
 
void
WidgetPropertySet::slotPropertyReset(KoProperty::Set& set, KoProperty::Property& property)
{
    Q_UNUSED( set );
 
    if(d->widgets.count() < 2)
        return;
 
    // We use the old value in modifProp for each widget
//  for(TQWidget *w = d->widgets.first(); w; w = d->widgets.next())  {
    foreach(TQGuardedWidgetList::ConstIterator, it, d->widgets) {
        ObjectTreeItem *tree = KFormDesigner::FormManager::self()->activeForm()->objectTree()->lookup((*it)->name());
        if(tree->modifiedProperties()->contains(property.name()))
            (*it)->setProperty(property.name(), tree->modifiedProperties()->find(property.name()).data());
    }
}
 
void
WidgetPropertySet::slotWidgetDestroyed()
{
//  if(d->widgets.contains(TQGuardedPtr<const TQWidget>( dynamic_cast<const TQWidget*>(sender()) ))) {
    //only clear this set if it contains the destroyed widget
    foreach(TQGuardedWidgetList::ConstIterator, it, d->widgets) {
        if (dynamic_cast<const TQWidget*>(sender()) == *it) {
            clearSet();
            break;
        }
    }
}
 
bool
WidgetPropertySet::eventFilter(TQObject *o, TQEvent *ev)
{
    if(d->widgets.count() > 0 && o == d->widgets.first() && d->widgets.count() < 2)
    {
        if((ev->type() == TQEvent::Resize) || (ev->type() == TQEvent::Move))  {
            if(!d->set.contains("geometry"))
                return false;
            if(d->set["geometry"].value() == o->property("geometry")) // to avoid infinite recursion
                return false;
 
            d->set["geometry"] = static_cast<TQWidget*>(o)->geometry();
        }
    }
    else if(d->widgets.count() > 1 && ev->type() == TQEvent::Move) // the widget is being moved, we update the property
    {
        if(d->isUndoing)
            return false;
 
        if(d->lastGeoCommand)
            d->lastGeoCommand->setPos(static_cast<TQMoveEvent*>(ev)->pos());
        else  {
            TQStringList list;
            foreach(TQGuardedWidgetList::ConstIterator, it, d->widgets)
                list.append((*it)->name());
 
            d->lastGeoCommand = new GeometryPropertyCommand(this, list, static_cast<TQMoveEvent*>(ev)->oldPos());
            if (KFormDesigner::FormManager::self()->activeForm())
                KFormDesigner::FormManager::self()->activeForm()->addCommand(d->lastGeoCommand, false);
        }
    }
 
    return false;
}
 
// Alignment-related functions /////////////////////////////
 
void
WidgetPropertySet::createAlignProperty(const TQMetaProperty *meta, TQWidget *widget, TQWidget *subwidget)
{
    if (!KFormDesigner::FormManager::self()->activeForm() 
|| !KFormDesigner::FormManager::self()->activeForm()->objectTree())
        return;
 
    TQStringList list;
    TQString value;
    const int alignment = subwidget->property("alignment").toInt();
    const TQStringList keys( TQStringList::fromStrList( meta->valueToKeys(alignment) ) );
 
    TQStrList *enumKeys = new TQStrList(meta->enumKeys());
    const TQStringList possibleValues( TQStringList::fromStrList(*enumKeys) );
    delete enumKeys;
 
    ObjectTreeItem *tree = KFormDesigner::FormManager::self()->activeForm()->objectTree()->lookup(widget->name());
    bool isTopLevel = KFormDesigner::FormManager::self()->isTopLevel(widget);
 
    if(possibleValues.find("AlignHCenter")!=possibleValues.constEnd())  {
        // Create the horizontal alignment property
        if(keys.find("AlignHCenter")!=keys.constEnd() || keys.find("AlignCenter")!=keys.constEnd())
            value = "AlignHCenter";
        else if(keys.find("AlignRight")!=keys.constEnd())
            value = "AlignRight";
        else if(keys.find("AlignLeft")!=keys.constEnd())
            value = "AlignLeft";
        else if(keys.find("AlignJustify")!=keys.constEnd())
            value = "AlignJustify";
        else
            value = "AlignAuto";
 
        list << "AlignAuto" << "AlignLeft" << "AlignRight" << "AlignHCenter" << "AlignJustify";
        KoProperty::Property *p = new KoProperty::Property("hAlign", createValueList(0, list), value,
            i18n("Translators: please keep this string short (less than 20 chars)", "Hor. Alignment"),
            i18n("Horizontal Alignment"));
        d->set.addProperty(p);
        if(!isPropertyVisible(p->name(), isTopLevel)) {
            p->setVisible(false);
        }
        updatePropertyValue(tree, "hAlign");
        list.clear();
    }
 
    if(possibleValues.find("AlignTop")!=possibleValues.constEnd())
    {
        // Create the ver alignment property
        if(keys.find("AlignTop")!=keys.constEnd())
            value = "AlignTop";
        else if(keys.find("AlignBottom")!=keys.constEnd())
            value = "AlignBottom";
        else
            value = "AlignVCenter";
 
        list << "AlignTop" << "AlignVCenter" << "AlignBottom";
        KoProperty::Property *p = new KoProperty::Property("vAlign", createValueList(0, list), value,
            i18n("Translators: please keep this string short (less than 20 chars)", "Ver. Alignment"),
            i18n("Vertical Alignment"));
        d->set.addProperty(p);
        if(!isPropertyVisible(p->name(), isTopLevel)) {
            p->setVisible(false);
        }
        updatePropertyValue(tree, "vAlign");
    }
 
    if(possibleValues.find("WordBreak")!=possibleValues.constEnd()
//      && isPropertyVisible("wordbreak", false, subwidget->className())
//    && !subWidget->inherits("TQLineEdit") /* TQLineEdit doesn't support 'word break' is this generic enough?*/
    ) {
        // Create the wordbreak property
        KoProperty::Property *p = new KoProperty::Property("wordbreak", 
            TQVariant(alignment & TQt::WordBreak), i18n("Word Break"), i18n("Word Break") );
        d->set.addProperty(p);
        updatePropertyValue(tree, "wordbreak");
        if (!KFormDesigner::FormManager::self()->activeForm()->library()->isPropertyVisible(
            subwidget->className(), subwidget, p->name(), false/*multiple*/, isTopLevel))
        {
            p->setVisible(false);
        }
    }
}
 
void
WidgetPropertySet::saveAlignProperty(const TQString &property)
{
    if (!KFormDesigner::FormManager::self()->activeForm())
        return;
 
    TQStrList list;
    if( d->set.contains("hAlign") )
        list.append( d->set["hAlign"].value().toCString() );
    if( d->set.contains("vAlign") )
        list.append( d->set["vAlign"].value().toCString() );
    if( d->set.contains("wordbreak") && d->set["wordbreak"].value().toBool() )
        list.append("WordBreak");
 
    WidgetWithSubpropertiesInterface* subpropIface = dynamic_cast<WidgetWithSubpropertiesInterface*>(
        (TQWidget*)d->widgets.first() );
    TQWidget *subwidget = (subpropIface && subpropIface->subwidget()) ? subpropIface->subwidget() : (TQWidget*)d->widgets.first();
    int count = subwidget->metaObject()->findProperty("alignment", true);
    const TQMetaProperty *meta = subwidget->metaObject()->property(count, true);
    subwidget->setProperty("alignment", meta->keysToValue(list));
 
    ObjectTreeItem *tree = KFormDesigner::FormManager::self()->activeForm()->objectTree()->lookup(
        d->widgets.first()->name() );
    if(tree && d->set[property.latin1()].isModified())
        tree->addModifiedProperty(property.latin1(), d->set[property.latin1()].oldValue());
 
    if(d->isUndoing)
        return;
 
    if(d->lastCommand && d->lastCommand->property() == "alignment")
        d->lastCommand->setValue(meta->keysToValue(list));
    else {
        d->lastCommand = new PropertyCommand(this, d->widgets.first()->name(),
            subwidget->property("alignment"), meta->keysToValue(list), "alignment");
        KFormDesigner::FormManager::self()->activeForm()->addCommand(d->lastCommand, false);
    }
}
 
// Layout-related functions  //////////////////////////
 
void
WidgetPropertySet::createLayoutProperty(ObjectTreeItem *item)
{
    Container *container = item->container();
    if (!container || !KFormDesigner::FormManager::self()->activeForm() ||
        !KFormDesigner::FormManager::self()->activeForm()->objectTree() || !container->widget())
        return;
    // special containers have no 'layout' property, as it should not be changed
    TQCString className = container->widget()->className();
    if((className == "HBox") || (className == "VBox") || (className == "Grid"))
        return;
 
    TQStringList list;
    TQString value = Container::layoutTypeToString(container->layoutType());
 
    list << "NoLayout" << "HBox" << "VBox" << "Grid" << "HFlow" << "VFlow";
 
    KoProperty::Property *p = new KoProperty::Property("layout", createValueList(0, list), value,
        i18n("Container's Layout"), i18n("Container's Layout"));
    p->setVisible( container->form()->library()->advancedPropertiesVisible() );
    d->set.addProperty(p);
 
    updatePropertyValue(item, "layout");
 
    p = new KoProperty::Property("layoutMargin", container->layoutMargin(), i18n("Layout Margin"), i18n("Layout Margin"));
    d->set.addProperty(p);
    updatePropertyValue(item, "layoutMargin");
    if(container->layoutType() == Container::NoLayout)
        p->setVisible(false);
 
    p = new KoProperty::Property("layoutSpacing", container->layoutSpacing(), 
        i18n("Layout Spacing"), i18n("Layout Spacing"));
    d->set.addProperty(p);
    updatePropertyValue(item, "layoutSpacing");
    if(container->layoutType() == Container::NoLayout)
        p->setVisible(false);
 
}
 
void
WidgetPropertySet::saveLayoutProperty(const TQString &prop, const TQVariant &value)
{
    Container *container=0;
    if(!KFormDesigner::FormManager::self()->activeForm() || !KFormDesigner::FormManager::self()->activeForm()->objectTree())
        return;
    ObjectTreeItem *item = KFormDesigner::FormManager::self()->activeForm()->objectTree()->lookup(d->widgets.first()->name());
    if(!item)
        return;
    container = item->container();
 
    if(prop == "layout") {
        Container::LayoutType type = Container::stringToLayoutType(value.toString());
 
        if(d->lastCommand && d->lastCommand->property() == "layout" && !d->isUndoing)
            d->lastCommand->setValue(value);
        else if(!d->isUndoing)  {
            d->lastCommand = new LayoutPropertyCommand(this, d->widgets.first()->name(),
                d->set["layout"].oldValue(), value);
            KFormDesigner::FormManager::self()->activeForm()->addCommand(d->lastCommand, false);
        }
 
        container->setLayout(type);
        bool show = (type != Container::NoLayout);
        if(show != d->set["layoutMargin"].isVisible())  {
            d->set["layoutMargin"].setVisible(show);
            d->set["layoutSpacing"].setVisible(show);
            KFormDesigner::FormManager::self()->showPropertySet(this, true/*force*/);
        }
        return;
    }
 
    if(prop == "layoutMargin" && container->layout()) {
        container->setLayoutMargin(value.toInt());
        container->layout()->setMargin(value.toInt());
    }
    else if(prop == "layoutSpacing" && container->layout())  {
        container->setLayoutSpacing(value.toInt());
        container->layout()->setSpacing(value.toInt());
    }
 
    ObjectTreeItem *tree = KFormDesigner::FormManager::self()->activeForm()->objectTree()->lookup(d->widgets.first()->name());
    if(tree && d->set[ prop.latin1() ].isModified())
        tree->addModifiedProperty(prop.latin1(), d->set[prop.latin1()].oldValue());
 
    if(d->isUndoing)
        return;
 
    if(d->lastCommand && (TQString(d->lastCommand->property()) == prop))
        d->lastCommand->setValue(value);
    else  {
        d->lastCommand = new PropertyCommand(this, d->widgets.first()->name(),
            d->set[ prop.latin1() ].oldValue(), value, prop.latin1());
        KFormDesigner::FormManager::self()->activeForm()->addCommand(d->lastCommand, false);
    }
}
 
 
 
 
void
WidgetPropertySet::initPropertiesDescription()
{
    d->propCaption["name"] = i18n("Name");
    d->propCaption["caption"] = i18n("Caption");
    d->propCaption["text"] = i18n("Text");
    d->propCaption["paletteBackgroundPixmap"] = i18n("Background Pixmap");
    d->propCaption["enabled"] = i18n("Enabled");
    d->propCaption["geometry"] = i18n("Geometry");
    d->propCaption["sizePolicy"] = i18n("Size Policy");
    d->propCaption["minimumSize"] = i18n("Minimum Size");
    d->propCaption["maximumSize"] = i18n("Maximum Size");
    d->propCaption["font"] = i18n("Font");
    d->propCaption["cursor"] = i18n("Cursor");
    d->propCaption["paletteForegroundColor"] = i18n("Foreground Color");
    d->propCaption["paletteBackgroundColor"] = i18n("Background Color");
    d->propCaption["focusPolicy"] = i18n("Focus Policy");
    d->propCaption["margin"] = i18n("Margin");
    d->propCaption["readOnly"] = i18n("Read Only");
    //any TQFrame
    d->propCaption["frame"] = i18n("Frame");
    d->propCaption["lineWidth"] = i18n("Frame Width");
    d->propCaption["midLineWidth"] = i18n("Mid Frame Width");
    d->propCaption["frameShape"] = i18n("Frame Shape");
    d->propCaption["frameShadow"] = i18n("Frame Shadow");
    //any TQScrollbar
    d->propCaption["vScrollBarMode"] = i18n("Vertical ScrollBar");
    d->propCaption["hScrollBarMode"] = i18n("Horizontal ScrollBar");
 
    d->propValCaption["NoBackground"] = i18n("No Background");
    d->propValCaption["PaletteForeground"] = i18n("Palette Foreground");
    d->propValCaption["AutoText"] = i18n("Auto (HINT: for AutoText)", "Auto");
 
    d->propValCaption["AlignAuto"] = i18n("Auto (HINT: for Align)", "Auto");
    d->propValCaption["AlignLeft"] = i18n("Left (HINT: for Align)", "Left");
    d->propValCaption["AlignRight"] = i18n("Right (HINT: for Align)", "Right");
    d->propValCaption["AlignHCenter"] = i18n("Center (HINT: for Align)", "Center");
    d->propValCaption["AlignJustify"] = i18n("Justify (HINT: for Align)", "Justify");
    d->propValCaption["AlignVCenter"] = i18n("Center (HINT: for Align)", "Center");
    d->propValCaption["AlignTop"] = i18n("Top (HINT: for Align)", "Top");
    d->propValCaption["AlignBottom"] = i18n("Bottom (HINT: for Align)", "Bottom");
 
    d->propValCaption["NoFrame"] = i18n("No Frame (HINT: for Frame Shape)", "No Frame");
    d->propValCaption["Box"] = i18n("Box (HINT: for Frame Shape)", "Box");
    d->propValCaption["Panel"] = i18n("Panel (HINT: for Frame Shape)", "Panel");
    d->propValCaption["WinPanel"] = i18n("Windows Panel (HINT: for Frame Shape)", "Windows Panel");
    d->propValCaption["HLine"] = i18n("Horiz. Line (HINT: for Frame Shape)", "Horiz. Line");
    d->propValCaption["VLine"] = i18n("Vertical Line (HINT: for Frame Shape)", "Vertical Line");
    d->propValCaption["StyledPanel"] = i18n("Styled (HINT: for Frame Shape)", "Styled");
    d->propValCaption["PopupPanel"] = i18n("Popup (HINT: for Frame Shape)", "Popup");
    d->propValCaption["MenuBarPanel"] = i18n("Menu Bar (HINT: for Frame Shape)", "Menu Bar");
    d->propValCaption["ToolBarPanel"] = i18n("Toolbar (HINT: for Frame Shape)", "Toolbar");
    d->propValCaption["LineEditPanel"] = i18n("Text Box (HINT: for Frame Shape)", "Text Box");
    d->propValCaption["TabWidgetPanel"] = i18n("Tab Widget (HINT: for Frame Shape)", "Tab Widget");
    d->propValCaption["GroupBoxPanel"] = i18n("Group Box (HINT: for Frame Shape)", "Group Box");
 
    d->propValCaption["Plain"] = i18n("Plain (HINT: for Frame Shadow)", "Plain");
    d->propValCaption["Raised"] = i18n("Raised (HINT: for Frame Shadow)", "Raised");
    d->propValCaption["Sunken"] = i18n("Sunken (HINT: for Frame Shadow)", "Sunken");
    d->propValCaption["MShadow"] = i18n("for Frame Shadow", "Internal");
 
    d->propValCaption["NoFocus"] = i18n("No Focus (HINT: for Focus)", "No Focus");
    d->propValCaption["TabFocus"] = i18n("Tab (HINT: for Focus)", "Tab");
    d->propValCaption["ClickFocus"] = i18n("Click (HINT: for Focus)", "Click");
    d->propValCaption["StrongFocus"] = i18n("Tab/Click (HINT: for Focus)", "Tab/Click");
    d->propValCaption["WheelFocus"] = i18n("Tab/Click/MouseWheel (HINT: for Focus)", "Tab/Click/MouseWheel");
 
    d->propValCaption["Auto"] = i18n("Auto");
    d->propValCaption["AlwaysOff"] = i18n("Always Off");
    d->propValCaption["AlwaysOn"] = i18n("Always On");
 
    //orientation
    d->propValCaption["Horizontal"] = i18n("Horizontal");
    d->propValCaption["Vertical"] = i18n("Vertical");
}
 
TQString
WidgetPropertySet::propertyCaption(const TQCString &name)
{
    return d->propCaption[name];
}
 
TQString
WidgetPropertySet::valueCaption(const TQCString &name)
{
    return d->propValCaption[name];
}
 
KoProperty::Property::ListData*
WidgetPropertySet::createValueList(WidgetInfo *winfo, const TQStringList &list)
{
//  TQStringVariantMap map;
    TQStringList names;
    TQStringList::ConstIterator endIt = list.end();
    for(TQStringList::ConstIterator it = list.begin(); it != endIt; ++it) {
        TQString n( d->propValCaption[ (*it).latin1() ] );
        if (n.isEmpty()) { //try within factory and (maybe) parent factory
            if (winfo)
                n = KFormDesigner::FormManager::self()->activeForm()->library()->propertyDescForValue( winfo, (*it).latin1() );
            if (n.isEmpty())
                names.append( *it ); //untranslated
//              map.insert(*it, (*it).latin1()); //untranslated
            else
                names.append( n );
//              map.insert(*it, n);
        }
        else
            names.append( n );
//          map.insert(*it, n);
    }
    return new KoProperty::Property::ListData(list, names);
}
 
void
WidgetPropertySet::addPropertyCaption(const TQCString &property, const TQString &caption)
{
    if(!d->propCaption.contains(property))
        d->propCaption[property] = caption;
}
 
void
WidgetPropertySet::addValueCaption(const TQCString &value, const TQString &caption)
{
    if(!d->propValCaption.contains(value))
        d->propValCaption[value] = caption;
}
 
#include "widgetpropertyset.moc"