formeditor/utils.h

/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2007 Jaroslaw Staniek <js@iidea.pl>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#ifndef FORMEDITORUTILS_H
#define FORMEDITORUTILS_H
 
#include <tqptrlist.h>
#include <tqtabbar.h>
#include <tqtabwidget.h>

#define TabWidgetBase TQTabWidget
//#define USE_KTabWidget //todo: uncomment
 
namespace KFormDesigner {
 
class Form;

template<class type>
type* findParent(TQObject* o, const char* className, TQObject* &prevPrev)
{
    if (!o || !className || className[0]=='\0')
        return 0;
    TQObject *prev = o;
    while ( ((o=o->parent())) && !o->inherits(className) ) {
        prevPrev = prev;
        prev = o;
    }
    return static_cast<type*>(o);
}

class KFORMEDITOR_EXPORT TabWidget : public TabWidgetBase
{
    TQ_OBJECT
  
    public:
        TabWidget(TQWidget *parent, const char *name) 
         : TabWidgetBase(parent, name) {}
        virtual ~TabWidget() {}
        int tabBarHeight() const { return tabBar()->height(); }
};

typedef TQPtrList<TQWidget> WidgetList;

typedef TQPtrListIterator<TQWidget> WidgetListIterator;

class HorWidgetList : public WidgetList
{
    public:
        HorWidgetList(TQWidget *topLevelWidget);
        virtual ~HorWidgetList();
    protected:
        virtual int compareItems(TQPtrCollection::Item item1, TQPtrCollection::Item item2);
        TQWidget *m_topLevelWidget;
};

class VerWidgetList : public WidgetList
{
    public:
        VerWidgetList(TQWidget *topLevelWidget);
        virtual ~VerWidgetList();
    protected:
        virtual int compareItems(TQPtrCollection::Item item1, TQPtrCollection::Item item2);
        TQWidget *m_topLevelWidget;
};

KFORMEDITOR_EXPORT void removeChildrenFromList(WidgetList &list);

KFORMEDITOR_EXPORT void installRecursiveEventFilter(TQObject *object, TQObject *container);

KFORMEDITOR_EXPORT void removeRecursiveEventFilter(TQObject *object, TQObject *container);
 
KFORMEDITOR_EXPORT void setRecursiveCursor(TQWidget *w, Form *form);

KFORMEDITOR_EXPORT TQSize getSizeFromChildren(TQWidget *widget, const char *inheritClass="TQWidget");
 
}
 
#endif