formmanager.cpp

/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2005 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 <kdebug.h>
 
#include <tqworkspace.h>
#include <tqcursor.h>
#include <tqstring.h>
#include <tqlabel.h>
#include <tqobjectlist.h>
#include <tqstylefactory.h>
#include <tqmetaobject.h>
#include <tqregexp.h>
#include <tqvaluevector.h>
#include <tqvbox.h>
 
#include <tdelocale.h>
#include <kiconloader.h>
#include <tdepopupmenu.h>
#include <kstdaction.h>
#include <tdeaction.h>
#include <kxmlguiclient.h>
#include <tdemainwindow.h>
#include <tdemessagebox.h>
#include <tdeconfig.h>
#include <tdestyle.h>
#include <tdeactionclasses.h>
#include <tdeapplication.h>
#include <tdeglobal.h>
#include <tdeglobalsettings.h>
#include <kdialogbase.h>
#include <ktextedit.h>
#include <ktabwidget.h>
#include <tdefontdialog.h>
 
#include <tdeversion.h>
#if TDE_VERSION >= TDE_MAKE_VERSION(3,1,9) && !defined(TQ_WS_WIN)
# include <tdeactioncollection.h>
#endif
 
#include "widgetpropertyset.h"
#include "objecttree.h"
#include "widgetlibrary.h"
#include "form.h"
#include "container.h"
#include "formIO.h"
#include "objecttreeview.h"
#include "commands.h"
#include "tabstopdialog.h"
#include "connectiondialog.h"
#include "pixmapcollection.h"
#include "events.h"
#include "utils.h"
#include "kfdpixmapedit.h"
#include <koproperty/editor.h>
#include <koproperty/property.h>
#include <koproperty/factory.h>
 
#include "formmanager.h"
 
#define KFD_NO_STYLES //disables; styles support needs improvements
 
namespace KFormDesigner {
 
class PropertyFactory : public KoProperty::CustomPropertyFactory
{
    public:
        PropertyFactory(TQObject *parent) 
        : KoProperty::CustomPropertyFactory(parent)
//          m_manager(manager)
        {
        }
        virtual ~PropertyFactory() {}
 
        KoProperty::CustomProperty* createCustomProperty(KoProperty::Property *) { return 0;}
 
        KoProperty::Widget* createCustomWidget(KoProperty::Property *prop)
        {
            return new KFDPixmapEdit(prop);
        }
};
 
}
 
using namespace KFormDesigner;
 
static KStaticDeleter<FormManager> m_managerDeleter;
FormManager* FormManager::_self = 0L;
 
FormManager::FormManager(TQObject *parent, int options, const char *name)
   : TQObject(parent, name)
#ifdef KEXI_DEBUG_GUI
   , m_uiCodeDialog(0)
   , m_options(options)
#endif
   , m_objectBlockingPropertyEditorUpdating(0)
   , m_isRedoing(false)
{
    Q_UNUSED(options);
#ifdef KEXI_STANDALONE
    TDEGlobal::locale()->insertCatalogue("standalone_kformdesigner");
#else
    TDEGlobal::locale()->insertCatalogue("kformdesigner");
#endif
 
    connect( kapp, TQ_SIGNAL( settingsChanged(int) ), TQ_SLOT( slotSettingsChanged(int) ) );
    slotSettingsChanged(TDEApplication::SETTINGS_SHORTCUTS);
 
//moved to createWidgetLibrary()    m_lib = new WidgetLibrary(this, supportedFactoryGroups);
    m_propSet = new WidgetPropertySet(this);
 
    //unused m_editor = 0;
    m_active = 0;
    m_inserting = false;
    m_drawingSlot = false;
    m_collection = 0;
    m_connection = 0;
    m_popup = 0;
    m_treeview = 0;
    m_emitSelectionSignalsUpdatesPropertySet = false;
    m_domDoc.appendChild(m_domDoc.createElement("UI"));
 
    m_deleteWidgetLater_list.setAutoDelete(true);
    connect( &m_deleteWidgetLater_timer, TQ_SIGNAL(timeout()), this, TQ_SLOT(deleteWidgetLaterTimeout()));
    connect( this, TQ_SIGNAL(connectionCreated(KFormDesigner::Form*, KFormDesigner::Connection&)),
        this, TQ_SLOT(slotConnectionCreated(KFormDesigner::Form*, KFormDesigner::Connection&)));
 
    // register kfd custom editors
    KoProperty::FactoryManager::self()->registerFactoryForEditor(KoProperty::Pixmap, 
        new PropertyFactory(KoProperty::FactoryManager::self()));
}
 
FormManager::~FormManager()
{
    m_managerDeleter.setObject(_self, 0, false); //safe
    delete m_popup;
    delete m_connection;
#ifdef KEXI_DEBUG_GUI
    delete m_uiCodeDialog;
#endif
//  delete m_propFactory;
}
 
 
FormManager* FormManager::self()
{
    return _self;
}
 
WidgetLibrary* 
FormManager::createWidgetLibrary(FormManager* m, const TQStringList& supportedFactoryGroups)
{
    if(!_self)
        m_managerDeleter.setObject( _self, m );
    return new WidgetLibrary(_self, supportedFactoryGroups);
}
 
void
FormManager::setEditor(KoProperty::Editor *editor)
{
    m_editor = editor;
 
    if(editor)
        editor->changeSet(m_propSet->set());
}
 
void
FormManager::setObjectTreeView(ObjectTreeView *treeview)
{
    m_treeview = treeview;
    if (m_treeview)
        connect(m_propSet, TQ_SIGNAL(widgetNameChanged(const TQCString&, const TQCString&)),
            m_treeview, TQ_SLOT(renameItem(const TQCString&, const TQCString&)));
}
 
ActionList
FormManager::createActions(WidgetLibrary *lib, TDEActionCollection* collection, KXMLGUIClient* client)
{
    m_collection = collection;
 
    ActionList actions = lib->createWidgetActions(client, m_collection, this, TQ_SLOT(insertWidget(const TQCString &)));
 
    if (m_options & HideSignalSlotConnections)
        m_dragConnection = 0;
    else {
        m_dragConnection = new TDEToggleAction(i18n("Connect Signals/Slots"),
            "signalslot", TDEShortcut(0), this, TQ_SLOT(startCreatingConnection()), m_collection,
            "drag_connection");
        //to be exclusive with any 'widget' action
        m_dragConnection->setExclusiveGroup("LibActionWidgets");
        m_dragConnection->setChecked(false);
        actions.append(m_dragConnection);
    }
 
    m_pointer = new TDEToggleAction(i18n("Pointer"), "mouse_pointer", TDEShortcut(0), 
        this, TQ_SLOT(slotPointerClicked()), m_collection, "pointer");
    m_pointer->setExclusiveGroup("LibActionWidgets"); //to be exclusive with any 'widget' action
    m_pointer->setChecked(true);
    actions.append(m_pointer);
 
    m_snapToGrid = new TDEToggleAction(i18n("Snap to Grid"), TQString(), TDEShortcut(0), 
        0, 0, m_collection, "snap_to_grid");
    m_snapToGrid->setChecked(true);
    actions.append(m_snapToGrid);
 
    // Create the Style selection action (with a combo box in toolbar and submenu items)
    TDESelectAction *m_style = new TDESelectAction( i18n("Style"), TDEShortcut(0), 
        this, TQ_SLOT(slotStyle()), m_collection, "change_style");
    m_style->setEditable(false);
 
    TDEGlobal::config()->setGroup("General");
    TQString currentStyle = TQString::fromLatin1(kapp->style().name()).lower();
    const TQStringList styles = TQStyleFactory::keys();
    m_style->setItems(styles);
    m_style->setCurrentItem(0);
 
    TQStringList::ConstIterator endIt = styles.constEnd();
    int idx = 0;
    for (TQStringList::ConstIterator it = styles.constBegin(); it != endIt; ++it, ++idx)
    {
        if ((*it).lower() == currentStyle) {
            m_style->setCurrentItem(idx);
            break;
        }
    }
 
    m_style->setToolTip(i18n("Set the current view style."));
    m_style->setMenuAccelsEnabled(true);
    actions.append(m_style);
 
    lib->addCustomWidgetActions(m_collection);
 
    return actions;
}
 
bool
FormManager::isPasteEnabled()
{
    return m_domDoc.namedItem("UI").hasChildNodes();
}
 
void
FormManager::undo()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    activeForm()->commandHistory()->undo();
}
 
void
FormManager::redo()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    m_isRedoing = true;
    activeForm()->commandHistory()->redo();
    m_isRedoing = false;
}
 
void
FormManager::insertWidget(const TQCString &classname)
{
    if(m_drawingSlot)
        stopCreatingConnection();
 
    m_inserting = true;
 
    Form *form;
    for(form = m_forms.first(); form; form = m_forms.next())
    {
//      form->d->cursors = new TQMap<TQString, TQCursor>();
        if (form->toplevelContainer())
            form->widget()->setCursor(TQCursor(CrossCursor));
        TQObjectList *l = form->widget()->queryList( "TQWidget" );
        for(TQObject *o = l->first(); o; o = l->next())
        {
            if( ((TQWidget*)o)->ownCursor() )
            {
//              form->d->cursors->insert(o->name(), ((TQWidget*)o)->cursor());
                form->d->cursors.insert(o, static_cast<TQWidget*>(o)->cursor());
                static_cast<TQWidget*>(o)->setCursor(TQCursor(TQt::CrossCursor));
            }
 
        }
        delete l;
    }
 
    m_selectedClass = classname;
    m_pointer->setChecked(false);
}
 
void
FormManager::stopInsert()
{
    if(m_drawingSlot)
        stopCreatingConnection();
    if(!m_inserting)
        return;
 
//#ifndef KEXI_NO_CURSOR_PROPERTY
    Form *form;
    for(form = m_forms.first(); form; form = m_forms.next())
    {
        form->widget()->unsetCursor();
        TQObjectList *l = form->widget()->queryList( "TQWidget" );
        for(TQObject *o = l->first(); o; o = l->next())
        {
            static_cast<TQWidget*>(o)->unsetCursor();
#if 0
            if( ((TQWidget*)o)->ownCursor()) {
                TQMap<TQObject*,TQCursor>::ConstIterator curIt( form->d->cursors.find(o) );
                if (curIt!=form->d->cursors.constEnd())
                    static_cast<TQWidget*>(o)->setCursor( *curIt );
//              ((TQWidget*)o)->setCursor( (*(form->d->cursors))[o->name()] ) ;
            }
#endif
        }
        delete l;
//      delete (form->d->cursors);
//      form->d->cursors = 0;
    }
//#endif
    m_inserting = false;
    m_pointer->setChecked(true);
}
 
void
FormManager::slotPointerClicked()
{
    if(m_inserting)
        stopInsert();
    else if(m_dragConnection)
        stopCreatingConnection();
}
 
void
FormManager::startCreatingConnection()
{
    if (m_options & HideSignalSlotConnections)
        return;
 
    if(m_inserting)
        stopInsert();
 
    // We set a Pointing hand cursor while drawing the connection
    Form *form;
    for(form = m_forms.first(); form; form = m_forms.next())
    {
//      form->d->cursors = new TQMap<TQString, TQCursor>();
        form->d->mouseTrackers = new TQStringList();
        if (form->toplevelContainer())
        {
            form->widget()->setCursor(TQCursor(PointingHandCursor));
            form->widget()->setMouseTracking(true);
        }
        TQObjectList *l = form->widget()->queryList( "TQWidget" );
        for(TQObject *o = l->first(); o; o = l->next())
        {
            TQWidget *w = static_cast<TQWidget*>(o);
            if( w->ownCursor() )
            {
                form->d->cursors.insert(w, w->cursor());
//              form->d->cursors->insert(w->name(), w->cursor());
                w->setCursor(TQCursor(PointingHandCursor ));
            }
            if(w->hasMouseTracking())
                form->d->mouseTrackers->append(w->name());
            w->setMouseTracking(true);
        }
        delete l;
    }
    delete m_connection;
    m_connection = new Connection();
    m_drawingSlot = true;
    if (m_dragConnection)
        m_dragConnection->setChecked(true);
}
 
void
FormManager::resetCreatedConnection()
{
    if (m_options & HideSignalSlotConnections)
        return;
 
    delete m_connection;
    m_connection = new Connection();
 
    if(m_active && m_active->formWidget()) {
        Form *ff = (Form*)m_active;
        FormWidget *fw = 0;
        if (ff)
            fw = ff->formWidget();
        m_active->formWidget()->clearForm();
    }
    if (m_active && m_active->widget())
        m_active->widget()->repaint();
}
 
void
FormManager::stopCreatingConnection()
{
    if (m_options & HideSignalSlotConnections)
        return;
    if(!m_drawingSlot)
        return;
 
    if(m_active && m_active->formWidget())
        m_active->formWidget()->clearForm();
 
    Form *form;
    for(form = m_forms.first(); form; form = m_forms.next())
    {
        form->widget()->unsetCursor();
        form->widget()->setMouseTracking(false);
        TQObjectList *l = form->widget()->queryList( "TQWidget" );
        for(TQObject *o = l->first(); o; o = l->next())
        {
            TQWidget *w = (TQWidget*)o;
            if( w->ownCursor()) {
                TQMap<TQObject*,TQCursor>::ConstIterator curIt( form->d->cursors.find(o) );
                if (curIt!=form->d->cursors.constEnd())
                    static_cast<TQWidget*>(o)->setCursor( *curIt );
            }
//              w->setCursor( (*(form->d->cursors))[o->name()] ) ;
            w->setMouseTracking( !form->d->mouseTrackers->grep(w->name()).isEmpty() );
        }
        delete l;
//      delete (form->d->cursors);
//      form->d->cursors = 0;
        delete (form->d->mouseTrackers);
        form->d->mouseTrackers = 0;
    }
 
    if(m_connection->slot().isNull())
        emit connectionAborted(activeForm());
    delete m_connection;
    m_connection = 0;
    m_drawingSlot = false;
    m_pointer->setChecked(true);
}
 
bool
FormManager::snapWidgetsToGrid()
{
    return m_snapToGrid->isChecked();
}
 
void
FormManager::windowChanged(TQWidget *w)
{
    kdDebug() << "FormManager::windowChanged(" 
        << (w ? (TQString(w->className())+" "+w->name()) : TQString("0")) << ")" << endl;
 
    if(!w)
    {
        m_active = 0;
        if(m_treeview)
            m_treeview->setForm(0);
        emit propertySetSwitched(0);
        if(isCreatingConnection())
            stopCreatingConnection();
 
        emitNoFormSelected();
        return;
    }
 
    Form *previousActive = m_active;
    Form *form;
    for(form = m_forms.first(); form; form = m_forms.next())
    {
        if(form->toplevelContainer() && form->widget() == w)
        {
            if(m_treeview)
                m_treeview->setForm(form);
            //if(m_propSet)
            //  m_propList->setCollection(form->pixmapCollection());
 
            kdDebug() << "FormManager::windowChanged() active form is " << form->objectTree()->name() << endl;
 
            if(m_collection)
            {
#ifndef KFD_NO_STYLES
                // update the 'style' action
                TDESelectAction *m_style = (TDESelectAction*)m_collection->action("change_style", "TDESelectAction");
                const TQString currentStyle = form->widget()->style().name();
                const TQStringList styles = m_style->items();
 
                int idx = 0;
                TQStringList::ConstIterator endIt = styles.constEnd();
                for (TQStringList::ConstIterator it = styles.constBegin(); it != endIt; ++it, ++idx)
                {
                    if ((*it).lower() == currentStyle) {
                        kdDebug() << "Updating the style to " << currentStyle << endl;
                        m_style->setCurrentItem(idx);
                        break;
                    }
                }
#endif
            }
 
            if((form != previousActive) && isCreatingConnection())
                resetCreatedConnection();
 
            m_active = form;
 
            emit  dirty(form, form->isModified());
            // update actions state
            m_active->emitActionSignals();
            //update the buffer too
            form->emitSelectionSignals();
            if (!m_emitSelectionSignalsUpdatesPropertySet)
                showPropertySet( propertySet(), true );
            return;
        }
    }
 
    for(form = m_preview.first(); form; form = m_preview.next())
    {
        kdDebug() << (form->widget() ? form->widget()->name() : "") << endl;
        if(form->toplevelContainer() && form->widget() == w) {
            kdDebug() << "FormManager::windowChanged() active preview form is " << form->widget()->name() << endl;
 
            if(m_collection)
            {
#ifndef KFD_NO_STYLES
                // update the 'style' action
                TDESelectAction *m_style = (TDESelectAction*)m_collection->action("change_style", "TDESelectAction");
                const TQString currentStyle = form->widget()->style().name();
                const TQStringList styles = m_style->items();
 
                int idx = 0;
                TQStringList::ConstIterator endIt = styles.constEnd();
                for (TQStringList::ConstIterator it = styles.constBegin(); it != endIt; ++it, ++idx)
                {
                    if ((*it).lower() == currentStyle) {
                        kdDebug() << "Updating the style to " << currentStyle << endl;
                        m_style->setCurrentItem(idx);
                        break;
                    }
                }
#endif
 
                resetCreatedConnection();
                m_active = form;
 
                emit dirty(form, false);
                emitNoFormSelected();
                showPropertySet(0);
                return;
            }
        }
    }
    //m_active = 0;
}
 
Form*
FormManager::activeForm() const
{
    return m_active;
}
 
Form*
FormManager::formForWidget(TQWidget *w)
{
    for(Form *form = m_forms.first(); form; form = m_forms.next())  {
        if(form->toplevelContainer() && form->widget() == w)
            return form;
    }
 
    return 0; // not one of toplevel widgets
}
 
void
FormManager::deleteForm(Form *form)
{
    if (!form)
        return;
    if(m_forms.find(form) == -1)
        m_preview.remove(form);
    else
        m_forms.remove(form);
 
    if(m_forms.count() == 0) {
        m_active = 0;
        emit propertySetSwitched(0);
    }
}
 
void
FormManager::importForm(Form *form, bool preview)
{
    if(!preview)
        initForm(form);
    else
    {
        m_preview.append(form);
        form->setDesignMode(false);
    }
}
 
void
FormManager::initForm(Form *form)
{
    m_forms.append(form);
 
    if(m_treeview)
        m_treeview->setForm(form);
 
    m_active = form;
 
    connect(form, TQ_SIGNAL(selectionChanged(TQWidget*, bool, bool)), 
        m_propSet, TQ_SLOT(setSelectedWidgetWithoutReload(TQWidget*, bool, bool)));
    if(m_treeview)
    {
        connect(form, TQ_SIGNAL(selectionChanged(TQWidget*, bool, bool)), 
            m_treeview, TQ_SLOT(setSelectedWidget(TQWidget*, bool)));
        connect(form, TQ_SIGNAL(childAdded(ObjectTreeItem* )), m_treeview, TQ_SLOT(addItem(ObjectTreeItem*)));
        connect(form, TQ_SIGNAL(childRemoved(ObjectTreeItem* )), m_treeview, TQ_SLOT(removeItem(ObjectTreeItem*)));
    }
    connect(m_propSet, TQ_SIGNAL(widgetNameChanged(const TQCString&, const TQCString&)),
        form, TQ_SLOT(changeName(const TQCString&, const TQCString&)));
 
    form->setSelectedWidget(form->widget());
    windowChanged(form->widget());
}
 
void
FormManager::previewForm(Form *form, TQWidget *container, Form *toForm)
{
    if(!form || !container || !form->objectTree())
        return;
    TQDomDocument domDoc;
    if (!FormIO::saveFormToDom(form, domDoc))
        return;
 
    Form *myform;
    if(!toForm)
        myform = new Form(form->library(), form->objectTree()->name().latin1(), 
            false);
    else
        myform = toForm;
    myform->createToplevel(container);
    container->setStyle( &(form->widget()->style()) );
 
    if (!FormIO::loadFormFromDom(myform, container, domDoc)) {
        delete myform;
        return;
    }
 
    myform->setDesignMode(false);
    m_preview.append(myform);
    container->show();
}
 
/*
bool
FormManager::loadFormFromDomInternal(Form *form, TQWidget *container, TQDomDocument &inBuf)
{
    return FormIO::loadFormFromDom(myform, container, domDoc);
}
 
bool
FormManager::saveFormToStringInternal(Form *form, TQString &dest, int indent)
{
    return KFormDesigner::FormIO::saveFormToString(form, dest, indent);
}*/
 
bool
FormManager::isTopLevel(TQWidget *w)
{
    if(!activeForm() || !activeForm()->objectTree())
        return false;
 
//  kdDebug() << "FormManager::isTopLevel(): for: " << w->name() << " = "
//      << activeForm()->objectTree()->lookup(w->name())<< endl;
 
    ObjectTreeItem *item = activeForm()->objectTree()->lookup(w->name());
    if(!item)
        return true;
 
    return (!item->parent());
}
 
void
FormManager::deleteWidget()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    TQPtrList<TQWidget> *list = activeForm()->selectedWidgets();
    if(list->isEmpty())
        return;
 
    if (activeForm()->widget() == list->first()) {
        //toplevel form is selected, cannot delete it
        return;
    }
 
    KCommand *com = new DeleteWidgetCommand(*list, activeForm());
    activeForm()->addCommand(com, true);
}
 
void
FormManager::copyWidget()
{
    if (!activeForm() || !activeForm()->objectTree())
        return;
 
    TQPtrList<TQWidget> *list = activeForm()->selectedWidgets();
    if(list->isEmpty())
        return;
 
    removeChildrenFromList(*list);
 
    // We clear the current clipboard
    m_domDoc.setContent(TQString(), true);
    TQDomElement parent = m_domDoc.createElement("UI");
    m_domDoc.appendChild(parent);
 
    TQWidget *w;
    for(w = list->first(); w; w = list->next())
    {
        ObjectTreeItem *it = activeForm()->objectTree()->lookup(w->name());
        if (!it)
            continue;
 
        FormIO::saveWidget(it, parent, m_domDoc);
    }
 
    FormIO::cleanClipboard(parent);
 
    activeForm()->emitActionSignals(); // to update 'Paste' item state
}
 
void
FormManager::cutWidget()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    TQPtrList<TQWidget> *list = activeForm()->selectedWidgets();
    if(list->isEmpty())
        return;
 
    KCommand *com = new CutWidgetCommand(*list, activeForm());
    activeForm()->addCommand(com, true);
}
 
void
FormManager::pasteWidget()
{
    if(!m_domDoc.namedItem("UI").hasChildNodes())
        return;
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    KCommand *com = new PasteWidgetCommand(m_domDoc, activeForm()->activeContainer(), m_insertPoint);
    activeForm()->addCommand(com, true);
}
 
void
FormManager::setInsertPoint(const TQPoint &p)
{
    m_insertPoint = p;
}
 
void
FormManager::createSignalMenu(TQWidget *w)
{
    m_sigSlotMenu = new TDEPopupMenu();
    m_sigSlotMenu->insertTitle(SmallIcon("connection"), i18n("Signals"));
 
    TQStrList list = w->metaObject()->signalNames(true);
    TQStrListIterator it(list);
    for(; it.current() != 0; ++it)
        m_sigSlotMenu->insertItem(*it);
 
    int result = m_sigSlotMenu->exec(TQCursor::pos());
    if(result == -1)
        resetCreatedConnection();
    else
        menuSignalChosen(result);
 
    delete m_sigSlotMenu;
    m_sigSlotMenu = 0;
}
 
void
FormManager::createSlotMenu(TQWidget *w)
{
    m_sigSlotMenu = new TDEPopupMenu();
    m_sigSlotMenu->insertTitle(SmallIcon("connection"), i18n("Slots"));
 
    TQString signalArg( m_connection->signal().remove( TQRegExp(".*[(]|[)]") ) );
 
    TQStrList list = w->metaObject()->slotNames(true);
    TQStrListIterator it(list);
    for(; it.current() != 0; ++it)
    {
        // we add the slot only if it is compatible with the signal
        TQString slotArg(*it);
        slotArg = slotArg.remove( TQRegExp(".*[(]|[)]") );
        if(!signalArg.startsWith(slotArg, true)) // args not compatible
            continue;
 
        m_sigSlotMenu->insertItem(*it);
    }
 
    int result = m_sigSlotMenu->exec(TQCursor::pos());
    if(result == -1)
        resetCreatedConnection();
    else
        menuSignalChosen(result);
 
    delete m_sigSlotMenu;
    m_sigSlotMenu = 0;
}
 
void
FormManager::createContextMenu(TQWidget *w, Container *container, bool popupAtCursor)
{
    if(!activeForm() || !activeForm()->widget())
        return;
    const bool toplevelWidgetSelected = activeForm()->widget() == w;
    const uint widgetsCount = container->form()->selectedWidgets()->count();
    const bool multiple = widgetsCount > 1;
    //const bool enableRemove = w != m_active->widget();
    // We only enablelayout creation if more than one widget with the same parent are selected
    const bool enableLayout = multiple || w == container->widget();
 
    m_menuWidget = w;
    TQString n = container->form()->library()->displayName(w->className());
//  TQValueVector<int> menuIds();
 
    if (!m_popup) {
        m_popup = new TDEPopupMenu();
    }
    else {
        m_popup->clear();
    }
 
    //set title
    if(!multiple)
    {
        if(w == container->form()->widget())
            m_popup->insertTitle(SmallIcon("form"), i18n("%1 : Form").arg(w->name()) );
        else
            m_popup->insertTitle( SmallIcon(
                container->form()->library()->iconName(w->className())), TQString(w->name()) + " : " + n );
    }
    else
        m_popup->insertTitle(SmallIcon("multiple_obj"), i18n("Multiple Widgets")
        + TQString(" (%1)").arg(widgetsCount));
 
    TDEAction *a;
#define PLUG_ACTION(_name, forceVisible) \
    { a = action(_name); \
    if (a && (forceVisible || a->isEnabled())) { \
        if (separatorNeeded) \
            m_popup->insertSeparator(); \
        separatorNeeded = false; \
        a->plug(m_popup); \
    } \
    }
 
    bool separatorNeeded = false;
 
    PLUG_ACTION("edit_cut", !toplevelWidgetSelected);
    PLUG_ACTION("edit_copy", !toplevelWidgetSelected);
    PLUG_ACTION("edit_paste", true);
    PLUG_ACTION("edit_delete", !toplevelWidgetSelected);
    separatorNeeded = true;
    PLUG_ACTION("layout_menu", enableLayout);
    PLUG_ACTION("break_layout", enableLayout);
    separatorNeeded = true;
    PLUG_ACTION("align_menu", !toplevelWidgetSelected);
    PLUG_ACTION("adjust_size_menu", !toplevelWidgetSelected);
    separatorNeeded = true;
 
    // We create the buddy menu
    if(!multiple && w->inherits("TQLabel") && ((TQLabel*)w)->text().contains("&") && (((TQLabel*)w)->textFormat() != RichText))
    {
        if (separatorNeeded)
            m_popup->insertSeparator();
 
        TDEPopupMenu *sub = new TDEPopupMenu(w);
        TQWidget *buddy = ((TQLabel*)w)->buddy();
 
        sub->insertItem(i18n("No Buddy"), MenuNoBuddy);
        if(!buddy)
            sub->setItemChecked(MenuNoBuddy, true);
        sub->insertSeparator();
 
        // add all the widgets that can have focus
        for(ObjectTreeListIterator it( container->form()->tabStopsIterator() ); it.current(); ++it)
        {
            int index = sub->insertItem( 
                SmallIcon(container->form()->library()->iconName(it.current()->className().latin1())),
                it.current()->name());
            if(it.current()->widget() == buddy)
                sub->setItemChecked(index, true);
        }
 
        /*int id =*/ m_popup->insertItem(i18n("Choose Buddy..."), sub);
//      menuIds->append(id);
        connect(sub, TQ_SIGNAL(activated(int)), this, TQ_SLOT(buddyChosen(int)));
 
        separatorNeeded = true;
    }
 
    //int sigid=0;
#ifdef KEXI_DEBUG_GUI
    if(!multiple && !(m_options & HideEventsInPopupMenu))
    {
        if (separatorNeeded)
            m_popup->insertSeparator();
 
        // We create the signals menu
        TDEPopupMenu *sigMenu = new TDEPopupMenu();
        TQStrList list = w->metaObject()->signalNames(true);
        TQStrListIterator it(list);
        for(; it.current() != 0; ++it)
            sigMenu->insertItem(*it);
 
        int id = m_popup->insertItem(SmallIconSet(""), i18n("Events"), sigMenu);
//      menuIds->append(id);
        if(list.isEmpty())
            m_popup->setItemEnabled(id, false);
        connect(sigMenu, TQ_SIGNAL(activated(int)), this, TQ_SLOT(menuSignalChosen(int)));
        separatorNeeded = true;
    }
#endif
 
    // Other items
    if(!multiple)
    {
        int lastID = -1;
        if (separatorNeeded) {
            lastID = m_popup->insertSeparator();
        }
        const uint oldIndex = m_popup->count()-1;
        container->form()->library()->createMenuActions(w->className(), w, m_popup, container);
        if (oldIndex == (m_popup->count()-1)) {
//          for (uint i=oldIndex; i<m_popup->count(); i++) {
//              int id = m_popup->idAt( i );
//              if (id!=-1)
//                  menuIds->append( id );
//          }
            //nothing added
            if (separatorNeeded) {
                m_popup->removeItem( lastID );
//              menuIds->pop_back();
            }
        }
    }
 
    //show the popup at the selected widget
    TQPoint popupPos;
    if (popupAtCursor) {
        popupPos = TQCursor::pos();
    }
    else {
        WidgetList *lst = container->form()->selectedWidgets();
        TQWidget * sel_w = lst ? lst->first() : container->form()->selectedWidget();
        popupPos = sel_w ? sel_w->mapToGlobal(TQPoint(sel_w->width()/2, sel_w->height()/2)) : TQCursor::pos();
    }
    m_insertPoint = container->widget()->mapFromGlobal(popupPos);
    m_popup->exec(popupPos);//TQCursor::pos());
    m_insertPoint = TQPoint();
 
//  TQValueVector<int>::iterator it;
//  for(it = menuIds->begin(); it != menuIds->end(); ++it)
//      m_popup->removeItem(*it);
}
 
void
FormManager::buddyChosen(int id)
{
    if(!m_menuWidget)
        return;
    TQLabel *label = static_cast<TQLabel*>((TQWidget*)m_menuWidget);
 
    if(id == MenuNoBuddy)
    {
        label->setBuddy(0);
        return;
    }
 
    ObjectTreeItem *item = activeForm()->objectTree()->lookup(m_popup->text(id));
    if(!item || !item->widget())
        return;
    label->setBuddy(item->widget());
}
 
void
FormManager::menuSignalChosen(int id)
{
    if (m_options & HideSignalSlotConnections)
        return;
 
    //if(!m_menuWidget)
    //  return;
    if(m_drawingSlot && m_sigSlotMenu)
    {
        if( m_connection->receiver().isNull() )
            m_connection->setSignal(m_sigSlotMenu->text(id));
        else
        {
            m_connection->setSlot(m_sigSlotMenu->text(id));
            kdDebug() << "Finished creating the connection: sender=" << m_connection->sender() << "; signal=" << m_connection->signal() <<
              "; receiver=" << m_connection->receiver() << "; slot=" << m_connection->slot() << endl;
            emit connectionCreated(activeForm(), *m_connection);
            stopCreatingConnection();
        }
    }
    else if(m_menuWidget)
        emit createFormSlot(m_active, m_menuWidget->name(), m_popup->text(id));
}
 
void
FormManager::slotConnectionCreated(Form *form, Connection &connection)
{
    if (m_options & HideSignalSlotConnections)
        return;
    if(!form)
        return;
 
    Connection *c = new Connection(connection);
    form->connectionBuffer()->append(c);
}
 
void
FormManager::layoutHBox()
{
    createLayout(Container::HBox);
}
 
void
FormManager::layoutVBox()
{
    createLayout(Container::VBox);
}
 
void
FormManager::layoutGrid()
{
    createLayout(Container::Grid);
}
 
void
FormManager::layoutHSplitter()
{
    createLayout(Container::HSplitter);
}
 
void
FormManager::layoutVSplitter()
{
    createLayout(Container::VSplitter);
}
 
void
FormManager::layoutHFlow()
{
    createLayout(Container::HFlow);
}
 
void
FormManager::layoutVFlow()
{
    createLayout(Container::VFlow);
}
 
void
FormManager::createLayout(int layoutType)
{
    WidgetList *list = m_active->selectedWidgets();
    // if only one widget is selected (a container), we modify its layout
    if (list->isEmpty()) {//sanity check
        kdWarning() << "FormManager::createLayout(): list is empty!" << endl;
        return;
    }
    if(list->count() == 1)
    {
        ObjectTreeItem *item = m_active->objectTree()->lookup(list->first()->name());
        if(!item || !item->container() || !m_propSet->contains("layout"))
            return;
        (*m_propSet)["layout"] = Container::layoutTypeToString(layoutType);
        return;
    }
 
    TQWidget *parent = list->first()->parentWidget();
    for(TQWidget *w = list->first(); w; w = list->next())
    {
        kdDebug() << "comparing widget " << w->name() << " whose parent is " << w->parentWidget()->name() << " insteaed of " << parent->name() << endl;
        if(w->parentWidget() != parent)
        {
            KMessageBox::sorry(m_active->widget()->topLevelWidget(), i18n("<b>Cannot create the layout.</b>\n"
           "All selected widgets must have the same parent."));
            kdDebug() << "FormManager::createLayout() widgets don't have the same parent widget" << endl;
            return;
        }
    }
 
    KCommand *com = new CreateLayoutCommand(layoutType, *list, m_active);
    m_active->addCommand(com, true);
}
 
void
FormManager::breakLayout()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    Container *container = activeForm()->activeContainer();
    TQCString c( container->widget()->className() );
 
    if((c == "Grid") || (c == "VBox") || (c == "HBox") || (c == "HFlow") || (c == "VFlow"))
    {
        KCommand *com = new BreakLayoutCommand(container);
        m_active->addCommand(com, true);
    }
    else // normal container
    {
        if(activeForm()->selectedWidgets()->count() == 1)
            (*m_propSet)["layout"] = "NoLayout";
        else
            container->setLayout(Container::NoLayout);
    }
}
 
void
FormManager::showPropertySet(WidgetPropertySet *set, bool forceReload, const TQCString& propertyToSelect)
{
    if (m_objectBlockingPropertyEditorUpdating)
        return;
 
/*unused    if(m_editor) {
        if (propertyToSelect.isEmpty() && forceReload)
            m_editor->changeSet(set ? set->set() : 0, propertyToSelect);
        else
            m_editor->changeSet(set ? set->set() : 0);
    }*/
 
    emit propertySetSwitched(set ? set->set(): 0, /*preservePrevSelection*/forceReload, propertyToSelect);
}
 
void
FormManager::blockPropertyEditorUpdating(void *blockingObject)
{
    if (!blockingObject || m_objectBlockingPropertyEditorUpdating)
        return;
    m_objectBlockingPropertyEditorUpdating = blockingObject;
}
 
void
FormManager::unblockPropertyEditorUpdating(void *blockingObject, WidgetPropertySet *set)
{
    if (!blockingObject || m_objectBlockingPropertyEditorUpdating!=blockingObject)
        return;
 
    m_objectBlockingPropertyEditorUpdating = 0;
    showPropertySet(set, true/*forceReload*/);
}
 
void
FormManager::editTabOrder()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
    TQWidget *topLevel = m_active->widget()->topLevelWidget();
    TabStopDialog dlg(topLevel);
    //const bool oldAutoTabStops = m_active->autoTabStops();
    if (dlg.exec(m_active) == TQDialog::Accepted) {
        //inform about changing "autoTabStop" property
        // -- this will be received eg. by Kexi, so custom "autoTabStop" property can be updated
        emit autoTabStopsSet(m_active, dlg.autoTabStops());
        //force set dirty
        emit dirty(m_active, true);
    }
}
 
void
FormManager::slotStyle()
{
    if(!activeForm())
        return;
 
    TDESelectAction *m_style = (TDESelectAction*)m_collection->action("change_style", "TDESelectAction");
    TQString style = m_style->currentText();
    activeForm()->widget()->setStyle( style );
 
    TQObjectList *l = activeForm()->widget()->queryList( "TQWidget" );
    for(TQObject *o = l->first(); o; o = l->next())
        (static_cast<TQWidget*>(o))->setStyle( style );
    delete l;
}
 
void
FormManager::editFormPixmapCollection()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    PixmapCollectionEditor dialog(activeForm()->pixmapCollection(), activeForm()->widget()->topLevelWidget());
    dialog.exec();
}
 
void
FormManager::editConnections()
{
    if (m_options & HideSignalSlotConnections)
        return;
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    ConnectionDialog dialog(activeForm()->widget()->topLevelWidget());
    dialog.exec(activeForm());
}
 
void
FormManager::alignWidgets(int type)
{
    if(!activeForm() || !activeForm()->objectTree() || (activeForm()->selectedWidgets()->count() < 2))
        return;
 
    TQWidget *parentWidget = activeForm()->selectedWidgets()->first()->parentWidget();
 
    for(TQWidget *w = activeForm()->selectedWidgets()->first(); w; w = activeForm()->selectedWidgets()->next())
    {
        if(w->parentWidget() != parentWidget)
        {
            kdDebug() << "FormManager::alignWidgets() type ==" << type <<  " widgets don't have the same parent widget" << endl;
            return;
        }
    }
 
    KCommand *com = new AlignWidgetsCommand(type, *(activeForm()->selectedWidgets()), activeForm());
    activeForm()->addCommand(com, true);
}
 
void
FormManager::alignWidgetsToLeft()
{
    alignWidgets(AlignWidgetsCommand::AlignToLeft);
}
 
void
FormManager::alignWidgetsToRight()
{
    alignWidgets(AlignWidgetsCommand::AlignToRight);
}
 
void
FormManager::alignWidgetsToTop()
{
    alignWidgets(AlignWidgetsCommand::AlignToTop);
}
 
void
FormManager::alignWidgetsToBottom()
{
    alignWidgets(AlignWidgetsCommand::AlignToBottom);
}
 
void
FormManager::adjustWidgetSize()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    KCommand *com = new AdjustSizeCommand(AdjustSizeCommand::SizeToFit, *(activeForm()->selectedWidgets()), activeForm());
    activeForm()->addCommand(com, true);
}
 
void
FormManager::alignWidgetsToGrid()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    KCommand *com = new AlignWidgetsCommand(AlignWidgetsCommand::AlignToGrid, *(activeForm()->selectedWidgets()), activeForm());
    activeForm()->addCommand(com, true);
}
 
void
FormManager::adjustSizeToGrid()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    KCommand *com = new AdjustSizeCommand(AdjustSizeCommand::SizeToGrid, *(activeForm()->selectedWidgets()), activeForm());
    activeForm()->addCommand(com, true);
}
 
void
FormManager::adjustWidthToSmall()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    KCommand *com = new AdjustSizeCommand(AdjustSizeCommand::SizeToSmallWidth, *(activeForm()->selectedWidgets()), activeForm());
    activeForm()->addCommand(com, true);
}
 
void
FormManager::adjustWidthToBig()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    KCommand *com = new AdjustSizeCommand(AdjustSizeCommand::SizeToBigWidth, *(activeForm()->selectedWidgets()), activeForm());
    activeForm()->addCommand(com, true);
}
 
void
FormManager::adjustHeightToSmall()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    KCommand *com = new AdjustSizeCommand(AdjustSizeCommand::SizeToSmallHeight, *(activeForm()->selectedWidgets()), activeForm());
    activeForm()->addCommand(com, true);
}
 
void
FormManager::adjustHeightToBig()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    KCommand *com = new AdjustSizeCommand(AdjustSizeCommand::SizeToBigHeight, *(activeForm()->selectedWidgets()), activeForm());
    activeForm()->addCommand(com, true);
}
 
void
FormManager::bringWidgetToFront()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    for(TQWidget *w = activeForm()->selectedWidgets()->first(); w; w = activeForm()->selectedWidgets()->next())
        w->raise();
}
 
void
FormManager::sendWidgetToBack()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    for(TQWidget *w = activeForm()->selectedWidgets()->first(); w; w = activeForm()->selectedWidgets()->next())
        w->lower();
}
 
void
FormManager::selectAll()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    activeForm()->selectFormWidget();
    uint count = activeForm()->objectTree()->children()->count();
    for(ObjectTreeItem *it = activeForm()->objectTree()->children()->first(); it; 
        it = activeForm()->objectTree()->children()->next(), count--)
    {
        activeForm()->setSelectedWidget(it->widget(), /*add*/true, /*raise*/false, /*moreWillBeSelected*/count>1);
    }
}
 
void
FormManager::clearWidgetContent()
{
    if(!activeForm() || !activeForm()->objectTree())
        return;
 
    for(TQWidget *w = activeForm()->selectedWidgets()->first(); w; w = activeForm()->selectedWidgets()->next())
        activeForm()->library()->clearWidgetContent(w->className(), w);
}
 
void
FormManager::deleteWidgetLater( TQWidget *w )
{
    w->hide();
    w->reparent(0, WType_TopLevel, TQPoint(0,0));
    m_deleteWidgetLater_list.append( w );
    m_deleteWidgetLater_timer.start( 100, true );
}
 
void
FormManager::deleteWidgetLaterTimeout()
{
    m_deleteWidgetLater_list.clear();
}
 
void
FormManager::showFormUICode()
{
#ifdef KEXI_DEBUG_GUI
    if(!activeForm())
        return;
 
    TQString uiCode;
    if (!FormIO::saveFormToString(activeForm(), uiCode, 3)) {
        return;
    }
 
    if (!m_uiCodeDialog) {
        m_uiCodeDialog = new KDialogBase(0, "uiwindow", true, i18n("Form's UI Code"),
                KDialogBase::Close, KDialogBase::Close);
        m_uiCodeDialog->resize(700, 600);
        TQVBox *box = m_uiCodeDialog->makeVBoxMainWidget();
        KTabWidget* tab = new KTabWidget(box);
 
        m_currentUICodeDialogEditor = new KTextEdit(TQString(), TQString(), tab);
        tab->addTab( m_currentUICodeDialogEditor, i18n("Current"));
        m_currentUICodeDialogEditor->setReadOnly(true);
        TQFont f( m_currentUICodeDialogEditor->font() );
        f.setFamily("courier");
        m_currentUICodeDialogEditor->setFont(f);
        m_currentUICodeDialogEditor->setTextFormat(TQt::PlainText);
 
        m_originalUICodeDialogEditor = new KTextEdit(TQString(), TQString(), tab);
        tab->addTab( m_originalUICodeDialogEditor, i18n("Original"));
        m_originalUICodeDialogEditor->setReadOnly(true);
        m_originalUICodeDialogEditor->setFont(f);
        m_originalUICodeDialogEditor->setTextFormat(TQt::PlainText);
    }
    m_currentUICodeDialogEditor->setText( uiCode );
    //indent and set our original doc as well:
    TQDomDocument doc;
    doc.setContent( activeForm()->m_recentlyLoadedUICode );
    m_originalUICodeDialogEditor->setText( doc.toString( 3 ) );
    m_uiCodeDialog->show();
#endif
}
 
void
FormManager::slotSettingsChanged(int category)
{
    if (category==TDEApplication::SETTINGS_SHORTCUTS) {
        m_contextMenuKey = TDEGlobalSettings::contextMenuKey();
    }
}
 
void
FormManager::emitWidgetSelected( KFormDesigner::Form* form, bool multiple )
{
    enableFormActions();
    // Enable edit actions
    enableAction("edit_copy", true);
    enableAction("edit_cut", true);
    enableAction("edit_delete", true);
    enableAction("clear_contents", true);
 
    // 'Align Widgets' menu
    enableAction("align_menu", multiple);
    enableAction("align_to_left", multiple);
    enableAction("align_to_right", multiple);
    enableAction("align_to_top", multiple);
    enableAction("align_to_bottom", multiple);
 
    enableAction("adjust_size_menu", true);
    enableAction("adjust_width_small", multiple);
    enableAction("adjust_width_big", multiple);
    enableAction("adjust_height_small", multiple);
    enableAction("adjust_height_big", multiple);
 
    enableAction("format_raise", true);
    enableAction("format_lower", true);
 
    WidgetList *wlist = form->selectedWidgets();
    bool fontEnabled = false;
    for (WidgetListIterator it(*wlist); it.current(); ++it) {
        if (-1 != it.current()->metaObject()->findProperty("font", true)) {
            fontEnabled = true;
            break;
        }
    }
    enableAction("format_font", fontEnabled);
 
    // If the widgets selected is a container, we enable layout actions
    bool containerSelected = false;
    if(!multiple)
    {
        KFormDesigner::ObjectTreeItem *item = 0;
        if (form->selectedWidgets()->first())
            form->objectTree()->lookup( form->selectedWidgets()->first()->name() );
        if(item && item->container())
            containerSelected = true;
    }
    const bool twoSelected = form->selectedWidgets()->count()==2;
    // Layout actions
    enableAction("layout_menu", multiple || containerSelected);
    enableAction("layout_hbox", multiple || containerSelected);
    enableAction("layout_vbox", multiple || containerSelected);
    enableAction("layout_grid", multiple || containerSelected);
    enableAction("layout_hsplitter", twoSelected);
    enableAction("layout_vsplitter", twoSelected);
 
    KFormDesigner::Container *container = activeForm() ? activeForm()->activeContainer() : 0;
    if (container)
        enableAction("break_layout", (container->layoutType() != KFormDesigner::Container::NoLayout));
 
    emit widgetSelected(form, true);
}
 
void
FormManager::emitFormWidgetSelected( KFormDesigner::Form* form )
{
//  disableWidgetActions();
    enableAction("edit_copy", false);
    enableAction("edit_cut", false);
    enableAction("edit_delete", false);
    enableAction("clear_contents", false);
 
    // Disable format functions
    enableAction("align_menu", false);
    enableAction("align_to_left", false);
    enableAction("align_to_right", false);
    enableAction("align_to_top", false);
    enableAction("align_to_bottom", false);
    enableAction("adjust_size_menu", false);
    enableAction("format_raise", false);
    enableAction("format_lower", false);
 
    enableAction("format_font", false);
 
    enableFormActions();
 
    const bool twoSelected = form->selectedWidgets()->count()==2;
    const bool hasChildren = !form->objectTree()->children()->isEmpty();
 
    // Layout actions
    enableAction("layout_menu", hasChildren);
    enableAction("layout_hbox", hasChildren);
    enableAction("layout_vbox", hasChildren);
    enableAction("layout_grid", hasChildren);
    enableAction("layout_hsplitter", twoSelected);
    enableAction("layout_vsplitter", twoSelected);
    enableAction("break_layout", (form->toplevelContainer()->layoutType() != KFormDesigner::Container::NoLayout));
 
    emit formWidgetSelected( form );
}
 
void
FormManager::emitNoFormSelected()
{
    disableWidgetActions();
 
    // Disable edit actions
//  enableAction("edit_paste", false);
//  enableAction("edit_undo", false);
//  enableAction("edit_redo", false);
 
    // Disable 'Tools' actions
    enableAction("pixmap_collection", false);
    if (!(m_options & HideSignalSlotConnections))
        enableAction("form_connections", false);
    enableAction("taborder", false);
    enableAction("change_style", activeForm()!=0);
 
    // Disable items in 'File'
    if (!(m_options & SkipFileActions)) {
        enableAction("file_save", false);
        enableAction("file_save_as", false);
        enableAction("preview_form", false);
    }
 
    emit noFormSelected();
}
 
void
FormManager::enableFormActions()
{
    // Enable 'Tools' actions
    enableAction("pixmap_collection", true);
    if (!(m_options & HideSignalSlotConnections))
        enableAction("form_connections", true);
    enableAction("taborder", true);
    enableAction("change_style", true);
 
    // Enable items in 'File'
    if (!(m_options & SkipFileActions)) {
        enableAction("file_save", true);
        enableAction("file_save_as", true);
        enableAction("preview_form", true);
    }
 
    enableAction("edit_paste", isPasteEnabled());
    enableAction("edit_select_all", true);
}
 
void
FormManager::disableWidgetActions()
{
    // Disable edit actions
    enableAction("edit_copy", false);
    enableAction("edit_cut", false);
    enableAction("edit_delete", false);
    enableAction("clear_contents", false);
 
    // Disable format functions
    enableAction("align_menu", false);
    enableAction("align_to_left", false);
    enableAction("align_to_right", false);
    enableAction("align_to_top", false);
    enableAction("align_to_bottom", false);
    enableAction("adjust_size_menu", false);
    enableAction("format_raise", false);
    enableAction("format_lower", false);
 
    enableAction("layout_menu", false);
    enableAction("layout_hbox", false);
    enableAction("layout_vbox", false);
    enableAction("layout_grid", false);
    enableAction("layout_hsplitter", false);
    enableAction("layout_vsplitter", false);
    enableAction("break_layout", false);
}
 
void
FormManager::emitUndoEnabled(bool enabled, const TQString &text)
{
    enableAction("edit_undo", enabled);
    emit undoEnabled(enabled, text);
}
 
void
FormManager::emitRedoEnabled(bool enabled, const TQString &text)
{
    enableAction("edit_redo", enabled);
    emit redoEnabled(enabled, text);
}
 
void
FormManager::changeFont()
{
    if (!m_active)
        return;
    WidgetList *wlist = m_active->selectedWidgets();
    WidgetList widgetsWithFontProperty;
    TQWidget *widget;
    TQFont font;
    bool oneFontSelected = true;
    for (WidgetListIterator it(*wlist); (widget = it.current()); ++it) {
        if (m_active->library()->isPropertyVisible(widget->className(), widget, "font")) {
            widgetsWithFontProperty.append(widget);
            if (oneFontSelected) {
                if (widgetsWithFontProperty.count()==1)
                    font = widget->font();
                else if (font != widget->font())
                    oneFontSelected = false;
            }
        }
    }
    if (widgetsWithFontProperty.isEmpty())
        return;
    if (!oneFontSelected) //many different fonts selected: pick a font from toplevel conatiner
        font = m_active->widget()->font();
 
    if (1==widgetsWithFontProperty.count()) {
        //single widget's settings
        widget = widgetsWithFontProperty.first();
        KoProperty::Property &fontProp = m_propSet->property("font");
        if (TQDialog::Accepted != TDEFontDialog::getFont(font, false, m_active->widget()))
            return;
        fontProp = font;
        return;
    }
    //multiple widgets
    int diffFlags=0;
    if (TQDialog::Accepted != TDEFontDialog::getFontDiff(font, diffFlags, false, m_active->widget())
        || 0==diffFlags)
        return;
    //update font
    for (WidgetListIterator it(widgetsWithFontProperty); (widget = it.current()); ++it) {
        TQFont prevFont( widget->font() );
        if (diffFlags & TDEFontChooser::FontDiffFamily)
            prevFont.setFamily( font.family() );
        if (diffFlags & TDEFontChooser::FontDiffStyle) {
            prevFont.setBold( font.bold() );
            prevFont.setItalic( font.italic() );
        }
        if (diffFlags & TDEFontChooser::FontDiffSize)
            prevFont.setPointSize( font.pointSize() );
        widget->setFont( prevFont );
        //temporary fix for dirty flag:
        emit dirty(m_active, true);
    }
}
 
#include "formmanager.moc"