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-rw-r--r--src/quick/items/qquickdroparea.cpp223
1 files changed, 190 insertions, 33 deletions
diff --git a/src/quick/items/qquickdroparea.cpp b/src/quick/items/qquickdroparea.cpp
index f453c42e5b..09dc7eeebb 100644
--- a/src/quick/items/qquickdroparea.cpp
+++ b/src/quick/items/qquickdroparea.cpp
@@ -77,11 +77,12 @@ public:
QPointF dragPosition;
QQuickDropAreaDrag *drag;
QPointer<QObject> source;
- QPointer<QMimeData> mimeData;
+ bool containsDrag;
};
QQuickDropAreaPrivate::QQuickDropAreaPrivate()
: drag(0)
+ , containsDrag(false)
{
}
@@ -133,7 +134,7 @@ QQuickDropArea::~QQuickDropArea()
bool QQuickDropArea::containsDrag() const
{
Q_D(const QQuickDropArea);
- return d->mimeData;
+ return d->containsDrag;
}
/*!
@@ -217,7 +218,7 @@ qreal QQuickDropAreaDrag::y() const
void QQuickDropArea::dragMoveEvent(QDragMoveEvent *event)
{
Q_D(QQuickDropArea);
- if (!d->mimeData)
+ if (!d->containsDrag)
return;
d->dragPosition = event->pos();
@@ -259,28 +260,27 @@ void QQuickDropArea::dragEnterEvent(QDragEnterEvent *event)
{
Q_D(QQuickDropArea);
const QMimeData *mimeData = event->mimeData();
- if (!d->effectiveEnable || d->mimeData || !mimeData || !d->hasMatchingKey(d->getKeys(mimeData)))
+ if (!d->effectiveEnable || d->containsDrag || !mimeData || !d->hasMatchingKey(d->getKeys(mimeData)))
return;
d->dragPosition = event->pos();
event->accept();
+
QQuickDropEvent dragTargetEvent(d, event);
emit entered(&dragTargetEvent);
- if (event->isAccepted()) {
- d->mimeData = const_cast<QMimeData *>(mimeData);
- if (QQuickDragMimeData *dragMime = qobject_cast<QQuickDragMimeData *>(d->mimeData))
- d->source = dragMime->source();
- else
- d->source = event->source();
- d->dragPosition = event->pos();
- if (d->drag) {
- emit d->drag->positionChanged();
- emit d->drag->sourceChanged();
- }
- emit containsDragChanged();
+ d->containsDrag = true;
+ if (QQuickDragMimeData *dragMime = qobject_cast<QQuickDragMimeData *>(const_cast<QMimeData *>(mimeData)))
+ d->source = dragMime->source();
+ else
+ d->source = event->source();
+ d->dragPosition = event->pos();
+ if (d->drag) {
+ emit d->drag->positionChanged();
+ emit d->drag->sourceChanged();
}
+ emit containsDragChanged();
}
/*!
@@ -292,12 +292,12 @@ void QQuickDropArea::dragEnterEvent(QDragEnterEvent *event)
void QQuickDropArea::dragLeaveEvent(QDragLeaveEvent *)
{
Q_D(QQuickDropArea);
- if (!d->mimeData)
+ if (!d->containsDrag)
return;
emit exited();
- d->mimeData = 0;
+ d->containsDrag = false;
d->source = 0;
emit containsDragChanged();
if (d->drag)
@@ -314,13 +314,13 @@ void QQuickDropArea::dragLeaveEvent(QDragLeaveEvent *)
void QQuickDropArea::dropEvent(QDropEvent *event)
{
Q_D(QQuickDropArea);
- if (!d->mimeData)
+ if (!d->containsDrag)
return;
QQuickDropEvent dragTargetEvent(d, event);
emit dropped(&dragTargetEvent);
- d->mimeData = 0;
+ d->containsDrag = false;
d->source = 0;
emit containsDragChanged();
if (d->drag)
@@ -337,6 +337,16 @@ void QQuickDropArea::dropEvent(QDropEvent *event)
The position of the drag event can be obtained from the \l x and \l y
properties, and the \l keys property identifies the drag keys of the event
\l source.
+
+ The existence of specific drag types can be determined using the \l hasColor,
+ \l hasHtml, \l hasText, and \l hasUrls properties.
+
+ The list of all supplied formats can be determined using the \l formats property.
+
+ Specific drag types can be obtained using the \l colorData, \l html, \l text,
+ and \l urls properties.
+
+ A string version of any available mimeType can be obtained using \l getDataAsString.
*/
/*!
@@ -357,14 +367,6 @@ void QQuickDropArea::dropEvent(QDropEvent *event)
This property holds the source of a drag event.
*/
-QObject *QQuickDropEvent::source()
-{
- if (const QQuickDragMimeData *dragMime = qobject_cast<const QQuickDragMimeData *>(event->mimeData()))
- return dragMime->source();
- else
- return event->source();
-}
-
/*!
\qmlproperty stringlist QtQuick2::DragEvent::keys
@@ -372,11 +374,6 @@ QObject *QQuickDropEvent::source()
drag event.
*/
-QStringList QQuickDropEvent::keys() const
-{
- return d->getKeys(event->mimeData());
-}
-
/*!
\qmlproperty enumeration QtQuick2::DragEvent::action
@@ -400,6 +397,14 @@ QStringList QQuickDropEvent::keys() const
*/
/*!
+ \qmlproperty flags QtQuick2::DragEvent::proposedAction
+ \since QtQuick 2.2
+
+ This property holds the set of \l {action}{actions} proposed by the
+ drag source.
+*/
+
+/*!
\qmlproperty bool QtQuick2::DragEvent::accepted
This property holds whether the drag event was accepted by a handler.
@@ -416,6 +421,157 @@ QStringList QQuickDropEvent::keys() const
If an \a action is specified it will overwrite the value of the \l action property.
*/
+/*!
+ \qmlmethod QtQuick2::DragEvent::acceptProposedAction()
+ \since QtQuick 2.2
+
+ Accepts the drag event with the \l proposedAction.
+*/
+
+/*!
+ \qmlproperty bool QtQuick2::DragEvent::hasColor
+ \since QtQuick 2.2
+
+ This property holds whether the drag event contains a color item.
+*/
+
+/*!
+ \qmlproperty bool QtQuick2::DragEvent::hasHtml
+ \since QtQuick 2.2
+
+ This property holds whether the drag event contains a html item.
+*/
+
+/*!
+ \qmlproperty bool QtQuick2::DragEvent::hasText
+ \since QtQuick 2.2
+
+ This property holds whether the drag event contains a text item.
+*/
+
+/*!
+ \qmlproperty bool QtQuick2::DragEvent::hasUrls
+ \since QtQuick 2.2
+
+ This property holds whether the drag event contains one or more url items.
+*/
+
+/*!
+ \qmlproperty color QtQuick2::DragEvent::colorData
+ \since QtQuick 2.2
+
+ This property holds color data, if any.
+*/
+
+/*!
+ \qmlproperty string QtQuick2::DragEvent::html
+ \since QtQuick 2.2
+
+ This property holds html data, if any.
+*/
+
+/*!
+ \qmlproperty string QtQuick2::DragEvent::text
+ \since QtQuick 2.2
+
+ This property holds text data, if any.
+*/
+
+/*!
+ \qmlproperty urllist QtQuick2::DragEvent::urls
+ \since QtQuick 2.2
+
+ This property holds a list of urls, if any.
+*/
+
+/*!
+ \qmlproperty stringlist QtQuick2::DragEvent::formats
+ \since QtQuick 2.2
+
+ This property holds a list of mime type formats contained in the drag data.
+*/
+
+/*!
+ \qmlmethod string QtQuick2::DragEvent::getDataAsString(string format)
+ \since QtQuick 2.2
+
+ Returns the data for the given \a format converted to a string. \a format should be one contained in the \l formats property.
+*/
+
+QObject *QQuickDropEvent::source()
+{
+ if (const QQuickDragMimeData *dragMime = qobject_cast<const QQuickDragMimeData *>(event->mimeData()))
+ return dragMime->source();
+ else
+ return event->source();
+}
+
+QStringList QQuickDropEvent::keys() const
+{
+ return d->getKeys(event->mimeData());
+}
+
+bool QQuickDropEvent::hasColor() const
+{
+ return event->mimeData()->hasColor();
+}
+
+bool QQuickDropEvent::hasHtml() const
+{
+ return event->mimeData()->hasHtml();
+}
+
+bool QQuickDropEvent::hasText() const
+{
+ return event->mimeData()->hasText();
+}
+
+bool QQuickDropEvent::hasUrls() const
+{
+ return event->mimeData()->hasUrls();
+}
+
+QVariant QQuickDropEvent::colorData() const
+{
+ return event->mimeData()->colorData();
+}
+
+QString QQuickDropEvent::html() const
+{
+ return event->mimeData()->html();
+}
+
+QString QQuickDropEvent::text() const
+{
+ return event->mimeData()->text();
+}
+
+QList<QUrl> QQuickDropEvent::urls() const
+{
+ return event->mimeData()->urls();
+}
+
+QStringList QQuickDropEvent::formats() const
+{
+ return event->mimeData()->formats();
+}
+
+void QQuickDropEvent::getDataAsString(QQmlV4Function *args)
+{
+ if (args->length() != 0) {
+ QV4::Value v = (*args)[0];
+ QString format = v.toQString();
+ QString rv = QString::fromUtf8(event->mimeData()->data(format));
+ QV4::ExecutionEngine *v4 = QV8Engine::getV4(args->engine());
+ args->setReturnValue(QV4::Value::fromString(v4, rv));
+ }
+}
+
+void QQuickDropEvent::acceptProposedAction(QQmlV4Function *)
+{
+ event->acceptProposedAction();
+}
+
void QQuickDropEvent::accept(QQmlV4Function *args)
{
Qt::DropAction action = event->dropAction();
@@ -425,6 +581,7 @@ void QQuickDropEvent::accept(QQmlV4Function *args)
if (v.isInt32())
action = Qt::DropAction(v.integerValue());
}
+
// get action from arguments.
event->setDropAction(action);
event->accept();
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-14 07:25:02 +0000