blob: 8eecfa53b775aa5cb0efbbd75bfb9bea568cd21f (
plain)
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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtGui>
#include "mainwindow.h"
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
{
QFrame *centralFrame = new QFrame(this);
QLabel *nameLabel = new QLabel(tr("Comment:"), centralFrame);
commentEdit = new QTextEdit(centralFrame);
QLabel *dragLabel = new QLabel(tr("<p>Drag the icon to a filer "
"window or the desktop background:</p>"),
centralFrame);
iconLabel = new QLabel(centralFrame);
iconPixmap.load(":/images/file.png");
iconLabel->setPixmap(iconPixmap);
QGridLayout *grid = new QGridLayout(centralFrame);
grid->addWidget(nameLabel, 0, 0);
grid->addWidget(commentEdit, 1, 0, 1, 2);
grid->addWidget(dragLabel, 2, 0);
grid->addWidget(iconLabel, 2, 1);
statusBar();
setCentralWidget(centralFrame);
setWindowTitle(tr("Dragging"));
}
//! [0]
void MainWindow::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton
&& iconLabel->geometry().contains(event->pos())) {
//! [1]
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData;
mimeData->setText(commentEdit->toPlainText());
drag->setMimeData(mimeData);
//! [1]
drag->setPixmap(iconPixmap);
Qt::DropAction dropAction = drag->exec();
//! [0]
QString actionText;
switch (dropAction) {
case Qt::CopyAction:
actionText = tr("The text was copied.");
break;
case Qt::MoveAction:
actionText = tr("The text was moved.");
break;
case Qt::LinkAction:
actionText = tr("The text was linked.");
break;
case Qt::IgnoreAction:
actionText = tr("The drag was ignored.");
break;
default:
actionText = tr("Unknown action.");
break;
}
statusBar()->showMessage(actionText);
//! [2]
}
}
//! [2]
|
