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#include "qhbox.h"
#ifndef QT_NO_HBOX
#include "qlayout.h"
#include "qapplication.h"
#include "qobjectlist.h"


/*!
    \class TQHBox qhbox.h
    \brief The TQHBox widget provides horizontal geometry management
    for its child widgets.

    \ingroup organizers
    \ingroup geomanagement
    \ingroup appearance

    All the horizontal box's child widgets will be placed alongside
    each other and sized according to their sizeHint()s.

    Use setMargin() to add space around the edges, and use
    setSpacing() to add space between the widgets. Use
    setStretchFactor() if you want the widgets to be different sizes
    in proportion to one another. (See \link layout.html
    Layouts\endlink for more information on stretch factors.)

    \img qhbox-m.png TQHBox

    \sa TQHBoxLayout TQVBox TQGrid
*/


/*!
    Constructs an hbox widget with parent \a parent, called \a name.
    The parent, name and widget flags, \a f, are passed to the TQFrame
    constructor.
*/
TQHBox::TQHBox( TQWidget *parent, const char *name, WFlags f )
    :TQFrame( parent, name, f )
{
    lay = new TQHBoxLayout( this, frameWidth(), frameWidth(), name );
    lay->setAutoAdd( TRUE );
}


/*!
    Constructs a horizontal hbox if \a horizontal is TRUE, otherwise
    constructs a vertical hbox (also known as a vbox).

    This constructor is provided for the TQVBox class. You should never
    need to use it directly.

    The \a parent, \a name and widget flags, \a f, are passed to the
    TQFrame constructor.
*/

TQHBox::TQHBox( bool horizontal, TQWidget *parent , const char *name, WFlags f )
    :TQFrame( parent, name, f )
{
    lay = new TQBoxLayout( this,
		       horizontal ? TQBoxLayout::LeftToRight : TQBoxLayout::Down,
			  frameWidth(), frameWidth(), name );
    lay->setAutoAdd( TRUE );
}

/*!\reimp
 */
void TQHBox::frameChanged()
{
    if ( !layout() )
	return;
    layout()->setMargin( frameWidth() );
}


/*!
    Sets the spacing between the child widgets to \a space.
*/

void TQHBox::setSpacing( int space )
{
    if ( layout() ) // ### why not use this->lay?
	layout()->setSpacing( space );
}


/*!
  \reimp
*/

TQSize TQHBox::sizeHint() const
{
    TQWidget *mThis = (TQWidget*)this;
    TQApplication::sendPostedEvents( mThis, TQEvent::ChildInserted );
    return TQFrame::sizeHint();
}

/*!
    Sets the stretch factor of widget \a w to \a stretch. Returns TRUE if
    \a w is found. Otherwise returns FALSE.

    \sa TQBoxLayout::setStretchFactor() \link layout.html Layouts\endlink
*/
bool TQHBox::setStretchFactor( TQWidget* w, int stretch )
{
    TQWidget *mThis = (TQWidget*)this;
    TQApplication::sendPostedEvents( mThis, TQEvent::ChildInserted );
    return lay->setStretchFactor( w, stretch );
}
#endif