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window.cpp
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// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QComboBox>
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#include <QDragEnterEvent>
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#include <QLabel>
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#include <QMimeData>
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#include <QTextBrowser>
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#include <QVBoxLayout>
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#include <QWidget>
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namespace
dropevents
{
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class
Window
:
public
QWidget
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{
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public
:
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explicit
Window
(
QWidget
*
parent
=
nullptr
);
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protected
:
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void
dragEnterEvent
(QDragEnterEvent *
event
)
override
;
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void
dropEvent
(QDropEvent *
event
)
override
;
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private
:
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QComboBox
*mimeTypeCombo =
nullptr
;
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QTextBrowser
*textBrowser =
nullptr
;
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QString
oldText;
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QStringList
oldMimeTypes;
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};
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Window::Window(
QWidget
*parent)
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:
QWidget
(parent)
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{
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QLabel
*textLabel =
new
QLabel
(
tr
(
"Data:"
),
this
);
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textBrowser =
new
QTextBrowser
(
this
);
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QLabel
*mimeTypeLabel =
new
QLabel
(
tr
(
"MIME types:"
),
this
);
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mimeTypeCombo =
new
QComboBox
(
this
);
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QVBoxLayout
*
layout
=
new
QVBoxLayout
(
this
);
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layout
->
addWidget
(textLabel);
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layout
->
addWidget
(textBrowser);
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layout
->
addWidget
(mimeTypeLabel);
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layout
->
addWidget
(mimeTypeCombo);
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setAcceptDrops
(
true
);
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setWindowTitle
(
tr
(
"Drop Events"
));
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}
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void
Window::dragEnterEvent(QDragEnterEvent *
event
)
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{
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if
(
event
->mimeData()->hasFormat(
"text/plain"
))
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event
->acceptProposedAction();
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}
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void
Window::dropEvent(QDropEvent *
event
)
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{
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textBrowser->
setPlainText
(
event
->mimeData()->text());
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mimeTypeCombo->
clear
();
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mimeTypeCombo->
addItems
(
event
->mimeData()->formats());
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event
->acceptProposedAction();
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}
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}
// dropevents
QComboBox
The QComboBox widget combines a button with a dropdown list.
Definition
qcombobox.h:24
QComboBox::addItems
void addItems(const QStringList &texts)
Adds each of the strings in the given texts to the combobox.
Definition
qcombobox.h:135
QComboBox::clear
void clear()
Clears the combobox, removing all items.
Definition
qcombobox.cpp:2935
QLabel
The QLabel widget provides a text or image display.
Definition
qlabel.h:20
QLayout::addWidget
void addWidget(QWidget *w)
Adds widget w to this layout in a manner specific to the layout.
Definition
qlayout.cpp:186
QObject::parent
QObject * parent() const
Returns a pointer to the parent object.
Definition
qobject.h:346
QStringList
\inmodule QtCore
QString
\macro QT_RESTRICTED_CAST_FROM_ASCII
Definition
qstring.h:129
QTextBrowser
The QTextBrowser class provides a rich text browser with hypertext navigation.
Definition
qtextbrowser.h:18
QTextEdit::setPlainText
void setPlainText(const QString &text)
Changes the text of the text edit to the string text.
Definition
qtextedit.cpp:1179
QVBoxLayout
The QVBoxLayout class lines up widgets vertically.
Definition
qboxlayout.h:91
QWidget
The QWidget class is the base class of all user interface objects.
Definition
qwidget.h:99
QWidget::layout
QLayout * layout() const
Returns the layout manager that is installed on this widget, or \nullptr if no layout manager is inst...
Definition
qwidget.cpp:10209
QWidget::setAcceptDrops
void setAcceptDrops(bool on)
Definition
qwidget.cpp:3436
QWidget::setWindowTitle
void setWindowTitle(const QString &)
Definition
qwidget.cpp:6105
dropevents::Window
Definition
window.cpp:13
dropevents::Window::dropEvent
void dropEvent(QDropEvent *event) override
[3]
Definition
window.cpp:63
dropevents::Window::dragEnterEvent
void dragEnterEvent(QDragEnterEvent *event) override
[2]
Definition
window.cpp:55
dropevents
Definition
window.cpp:11
event
struct _cl_event * event
Definition
qopenglext.h:2998
tr
#define tr(X)
Definition
qtemporaryfile.cpp:21
Window
XID Window
Definition
qxcbnativepainting.h:13
qtbase
src
gui
doc
snippets
dropevents
window.cpp
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