blob: 753bb8705f38bddc10f5e1b0f6f4919de8f1bffe (
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 <QComboBox>
#include <QDragEnterEvent>
#include <QLabel>
#include <QMimeData>
#include <QTextBrowser>
#include <QVBoxLayout>
#include <QWidget>
namespace dropevents {
class Window : public QWidget
{
public:
explicit Window(QWidget *parent = nullptr);
protected:
void dragEnterEvent(QDragEnterEvent *event) override;
void dropEvent(QDropEvent *event) override;
private:
QComboBox *mimeTypeCombo = nullptr;
QTextBrowser *textBrowser = nullptr;
QString oldText;
QStringList oldMimeTypes;
};
//! [0]
Window::Window(QWidget *parent)
: QWidget(parent)
{
//! [0]
QLabel *textLabel = new QLabel(tr("Data:"), this);
textBrowser = new QTextBrowser(this);
QLabel *mimeTypeLabel = new QLabel(tr("MIME types:"), this);
mimeTypeCombo = new QComboBox(this);
QVBoxLayout *layout = new QVBoxLayout(this);
layout->addWidget(textLabel);
layout->addWidget(textBrowser);
layout->addWidget(mimeTypeLabel);
layout->addWidget(mimeTypeCombo);
//! [1]
setAcceptDrops(true);
//! [1]
setWindowTitle(tr("Drop Events"));
//! [2]
}
//! [2]
//! [3]
void Window::dragEnterEvent(QDragEnterEvent *event)
{
if (event->mimeData()->hasFormat("text/plain"))
event->acceptProposedAction();
}
//! [3]
//! [4]
void Window::dropEvent(QDropEvent *event)
{
textBrowser->setPlainText(event->mimeData()->text());
mimeTypeCombo->clear();
mimeTypeCombo->addItems(event->mimeData()->formats());
event->acceptProposedAction();
}
//! [4]
} // dropevents
|
