1 files changed, 111 insertions, 0 deletions
diff --git a/examples/customlayout/card.cpp b/examples/customlayout/card.cpp
new file mode 100644
index 000000000..dc3964e82
--- /dev/null
+++ b/examples/customlayout/card.cpp
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** 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());
+}