1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/****************************************************************************
**
** Copyright (C) 1992-2008 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 <qiconview.h>
#include <qapplication.h>
#include <qdragobject.h>
#include <qpixmap.h>
#include <qiconset.h>
#include <qmime.h>
#include <stdio.h>
class ListenDND : public QObject
{
Q_OBJECT
public:
ListenDND( QWidget *w )
: view( w )
{}
public slots:
void dropped( QDropEvent *mime ) {
qDebug( "Dropped Mimesource %p into the view %p", mime, view );
qDebug( " Formats:" );
int i = 0;
const char *str = mime->format( i );
qDebug( " %s", str );
while ( str ) {
qDebug( " %s", str );
str = mime->format( ++i );
}
};
void moved() {
qDebug( "All selected items were moved to another widget" );
}
protected:
QWidget *view;
};
int main( int argc, char **argv )
{
QApplication a( argc, argv );
QIconView qiconview;
qiconview.setSelectionMode( QIconView::Extended );
for ( unsigned int i = 0; i < 3000; i++ ) {
QIconViewItem *item = new QIconViewItem( &qiconview, QString( "Item %1" ).arg( i + 1 ) );
item->setRenameEnabled( TRUE );
}
qiconview.setCaption( "Qt Example - Iconview" );
ListenDND listen_dnd( &qiconview );
QObject::connect( &qiconview, SIGNAL( dropped( QDropEvent *, const QValueList<QIconDragItem> & ) ),
&listen_dnd, SLOT( dropped( QDropEvent * ) ) );
QObject::connect( &qiconview, SIGNAL( moved() ), &listen_dnd, SLOT( moved() ) );
a.setMainWidget( &qiconview );
qiconview.show();
qiconview.resize( qiconview.sizeHint() );
return a.exec();
}
#include "main.moc"
|