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
|
#include <qlabel.h>
#include <qlayout.h>
#include <qpushbutton.h>
#include <kapplication.h>
#include <kdebug.h>
#include <klineedit.h>
#include <kio/previewjob.h>
#include "previewtest.moc"
PreviewTest::PreviewTest()
:QWidget()
{
QGridLayout *layout = new QGridLayout(this, 2, 2);
m_url = new KLineEdit(this);
m_url->setText("/home/malte/gore_bush.jpg");
layout->addWidget(m_url, 0, 0);
QPushButton *btn = new QPushButton("Generate", this);
connect(btn, SIGNAL(clicked()), SLOT(slotGenerate()));
layout->addWidget(btn, 0, 1);
m_preview = new QLabel(this);
m_preview->setMinimumSize(400, 300);
layout->addMultiCellWidget(m_preview, 1, 1, 0, 1);
}
void PreviewTest::slotGenerate()
{
KURL::List urls;
urls.append(m_url->text());
KIO::PreviewJob *job = KIO::filePreview(urls, m_preview->width(), m_preview->height(), true, 48);
connect(job, SIGNAL(result(KIO::Job*)), SLOT(slotResult(KIO::Job*)));
connect(job, SIGNAL(gotPreview(const KFileItem *, const QPixmap &)), SLOT(slotPreview(const KFileItem *, const QPixmap &)));
connect(job, SIGNAL(failed(const KFileItem *)), SLOT(slotFailed()));
}
void PreviewTest::slotResult(KIO::Job*)
{
kdDebug() << "PreviewTest::slotResult(...)" << endl;
}
void PreviewTest::slotPreview(const KFileItem *, const QPixmap &pix)
{
kdDebug() << "PreviewTest::slotPreview()" << endl;
m_preview->setPixmap(pix);
}
void PreviewTest::slotFailed()
{
kdDebug() << "PreviewTest::slotFailed()" << endl;
m_preview->setText("failed");
}
int main(int argc, char **argv)
{
KApplication app(argc, argv, "previewtest");
PreviewTest *w = new PreviewTest;
w->show();
app.setMainWidget(w);
return app.exec();
}
|