You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
2.4 KiB
112 lines
2.4 KiB
/****************************************************************************
|
|
**
|
|
** Implementing your own layout: flow example
|
|
**
|
|
** Copyright (C) 1996-2008 Trolltech ASA. All rights reserved.
|
|
**
|
|
** This file is part of an example program for TQt. This example
|
|
** program may be used, distributed and modified without limitation.
|
|
**
|
|
*****************************************************************************/
|
|
|
|
#include "card.h"
|
|
|
|
class CardLayoutIterator :public TQGLayoutIterator
|
|
{
|
|
public:
|
|
CardLayoutIterator( TQPtrList<TQLayoutItem> *l )
|
|
: idx( 0 ), list( l ) {}
|
|
|
|
TQLayoutItem *current();
|
|
TQLayoutItem *next();
|
|
TQLayoutItem *takeCurrent();
|
|
|
|
private:
|
|
int idx;
|
|
TQPtrList<TQLayoutItem> *list;
|
|
};
|
|
|
|
TQLayoutItem *CardLayoutIterator::current()
|
|
{
|
|
return idx < int( list->count() ) ? list->at( idx ) : 0;
|
|
}
|
|
|
|
TQLayoutItem *CardLayoutIterator::next()
|
|
{
|
|
idx++; return current();
|
|
}
|
|
|
|
TQLayoutItem *CardLayoutIterator::takeCurrent()
|
|
{
|
|
return idx < int( list->count() ) ?list->take( idx ) : 0;
|
|
}
|
|
|
|
|
|
|
|
TQLayoutIterator CardLayout::iterator()
|
|
{
|
|
return TQLayoutIterator( new CardLayoutIterator( &list ) );
|
|
}
|
|
|
|
CardLayout::~CardLayout()
|
|
{
|
|
deleteAllItems();
|
|
}
|
|
|
|
void CardLayout::addItem( TQLayoutItem *item )
|
|
{
|
|
list.append( item );
|
|
}
|
|
|
|
void CardLayout::setGeometry( const TQRect &rct )
|
|
{
|
|
TQLayout::setGeometry( rct );
|
|
|
|
TQPtrListIterator<TQLayoutItem> it( list );
|
|
if ( it.count() == 0 )
|
|
return;
|
|
|
|
TQLayoutItem *o;
|
|
|
|
int i = 0;
|
|
|
|
int w = rct.width() - ( list.count() - 1 ) * spacing();
|
|
int h = rct.height() - ( list.count() - 1 ) * spacing();
|
|
|
|
while ( ( o=it.current() ) != 0 ) {
|
|
++it;
|
|
TQRect geom( rct.x() + i * spacing(), rct.y() + i * spacing(),
|
|
w, h );
|
|
o->setGeometry( geom );
|
|
++i;
|
|
}
|
|
}
|
|
|
|
TQSize CardLayout::sizeHint() const
|
|
{
|
|
TQSize s(0,0);
|
|
int n = list.count();
|
|
if ( n > 0 )
|
|
s = TQSize(100,70); //start with a nice default size
|
|
TQPtrListIterator<TQLayoutItem> it(list);
|
|
TQLayoutItem *o;
|
|
while ( (o=it.current()) != 0 ) {
|
|
++it;
|
|
s = s.expandedTo( o->minimumSize() );
|
|
}
|
|
return s + n*TQSize(spacing(),spacing());
|
|
}
|
|
|
|
TQSize CardLayout::minimumSize() const
|
|
{
|
|
TQSize s(0,0);
|
|
int n = list.count();
|
|
TQPtrListIterator<TQLayoutItem> it(list);
|
|
TQLayoutItem *o;
|
|
while ( (o=it.current()) != 0 ) {
|
|
++it;
|
|
s = s.expandedTo( o->minimumSize() );
|
|
}
|
|
return s + n*TQSize(spacing(),spacing());
|
|
}
|