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qt3/doc/html/iconview-example.html

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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Iconview</h1>
<p>
This example implements a flexible icon view which can store
lots of icon items. It supports Drag&Drop, different selection modes,
view modes, rubberband selection, etc.
<p> Main:
<p> <pre>/****************************************************************************
** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include &lt;<a href="qiconview-h.html">qiconview.h</a>&gt;
#include &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
#include &lt;<a href="qdragobject-h.html">qdragobject.h</a>&gt;
#include &lt;<a href="qpixmap-h.html">qpixmap.h</a>&gt;
#include &lt;<a href="qiconset-h.html">qiconset.h</a>&gt;
#include &lt;<a href="qmime-h.html">qmime.h</a>&gt;
#include &lt;stdio.h&gt;
class ListenDND : public <a href="qobject.html">QObject</a>
{
<a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a>
public:
ListenDND( <a href="qwidget.html">QWidget</a> *w )
: view( w )
{}
public slots:
void dropped( <a href="qdropevent.html">QDropEvent</a> *mime ) {
<a href="qapplication.html#qDebug">qDebug</a>( "Dropped Mimesource %p into the view %p", mime, view );
<a href="qapplication.html#qDebug">qDebug</a>( " Formats:" );
int i = 0;
<a name="x1454"></a> const char *str = mime-&gt;<a href="qdropevent.html#format">format</a>( i );
<a href="qapplication.html#qDebug">qDebug</a>( " %s", str );
while ( str ) {
<a href="qapplication.html#qDebug">qDebug</a>( " %s", str );
str = mime-&gt;<a href="qdropevent.html#format">format</a>( ++i );
}
};
void moved() {
<a href="qapplication.html#qDebug">qDebug</a>( "All selected items were moved to another widget" );
}
protected:
<a href="qwidget.html">QWidget</a> *view;
};
int main( int argc, char **argv )
{
<a href="qapplication.html">QApplication</a> a( argc, argv );
<a href="qiconview.html">QIconView</a> qiconview;
<a name="x1457"></a> qiconview.<a href="qiconview.html#setSelectionMode">setSelectionMode</a>( QIconView::Extended );
for ( unsigned int i = 0; i &lt; 3000; i++ ) {
<a href="qiconviewitem.html">QIconViewItem</a> *item = new <a href="qiconviewitem.html">QIconViewItem</a>( &amp;qiconview, QString( "Item %1" ).arg( i + 1 ) );
<a name="x1459"></a> item-&gt;<a href="qiconviewitem.html#setRenameEnabled">setRenameEnabled</a>( TRUE );
}
qiconview.<a href="qwidget.html#setCaption">setCaption</a>( "Qt Example - Iconview" );
ListenDND listen_dnd( &amp;qiconview );
<a name="x1460"></a><a name="x1455"></a> QObject::<a href="qobject.html#connect">connect</a>( &amp;qiconview, SIGNAL( <a href="qiconview.html#dropped">dropped</a>( <a href="qdropevent.html">QDropEvent</a> *, const <a href="qvaluelist.html">QValueList</a>&lt;QIconDragItem&gt; &amp; ) ),
&amp;listen_dnd, SLOT( dropped( <a href="qdropevent.html">QDropEvent</a> * ) ) );
<a name="x1456"></a> QObject::<a href="qobject.html#connect">connect</a>( &amp;qiconview, SIGNAL( <a href="qiconview.html#moved">moved</a>() ), &amp;listen_dnd, SLOT( moved() ) );
a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &amp;qiconview );
<a name="x1462"></a> qiconview.<a href="qwidget.html#show">show</a>();
<a name="x1461"></a><a name="x1458"></a> qiconview.<a href="qwidget.html#resize">resize</a>( qiconview.<a href="qwidget.html#sizeHint">sizeHint</a>() );
return a.<a href="qapplication.html#exec">exec</a>();
}
#include "main.moc"
</pre>
<p>See also <a href="examples.html">Examples</a>.
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