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/*
* ===========================
* VDK Visual Develeopment Kit
* Version 0.4
* Revision 0.4.1
* October 1998
* ===========================
*
* Copyright (C) 1998, Mario Motta
* Developed by Mario Motta <mmotta@guest.net>
*
* 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef WIDCONTAIN_H
#define WIDCONTAIN_H
#include <vdk/vdkobj.h>
/*! \class VDKObjectContainer
* \brief Containers base class
*
* This class provides a container widget, common class for
* specialized containers such as VDKBox, VDKTable etc.
* User should not construct explicitely this kind of object.
*
*/
class VDKObjectContainer: public VDKObject
{
public:
VDKObjectContainer(VDKForm* owner);
virtual ~VDKObjectContainer() {}
/*!
Sets container border width
\param w returns border width if is < 0
*/
int BorderWidth(int w = -1)
{
if(w>=0)
gtk_container_set_border_width (GTK_CONTAINER (widget),w);
return GTK_CONTAINER (widget)->border_width;
}
/*!
Add an object.
*/
virtual void Add(VDKObject* obj, int justify = l_justify,
int expand = TRUE, int fill = TRUE , int padding = 0);
/*!
Remove an object from container, object will be destroyed
\param obj object to be removed
*/
void RemoveObject(VDKObject* obj) { obj->Destroy(); }
/*!
This function will remove an object from a container
without destroying it.
\param obj object to be removed
Tip: should be used to reparent an widget, or it will leak.
Example:
\code
// remove from source container
// referencing it otherwise will be destroyed by gtk+
source->RemoveObjectFromContainer(widget);
// add to target container
target->Add(widget);
// set target as parent to redirect signal flow
widget->Parent(target);
// unref widget again (or it will leak)
gtk_widget_unref(widget->Widget());
\endcode
*/
virtual void RemoveObjectFromContainer(VDKObject* obj);
/*!
Remove all objects from container destroying them
*/
void RemoveObjects();
/*!
Find an object with Tag==tag, NULL if fails
\param tag value to be searched
*/
VDKObject* FindTag(int tag);
/*!
Apply user defined functions to each contained object
*/
void ForEachDo(void (*action)(VDKObject*));
/* !
Select those contained objects that satisfy to user defined
condition.
\param list an ItemList filled with all object addresses
that satisfy condition-
\condition an user defined function invoked with each object
as param, function must return either true (satisfy) or false
value.
*/
void Select(ItemList* list, bool (*condition)(VDKObject*));
};
#endif
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