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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-08 12:31:36 -0600 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-08 12:31:36 -0600 |
commit | d796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch) | |
tree | 6e3dcca4f77e20ec8966c666aac7c35bd4704053 /examples/customlayout/card.cpp | |
download | tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip |
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
Diffstat (limited to 'examples/customlayout/card.cpp')
-rw-r--r-- | examples/customlayout/card.cpp | 111 |
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()); +} |