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Diffstat (limited to 'src/declarative/items/qquickdroparea.cpp')
| -rw-r--r-- | src/declarative/items/qquickdroparea.cpp | 428 |
1 files changed, 0 insertions, 428 deletions
diff --git a/src/declarative/items/qquickdroparea.cpp b/src/declarative/items/qquickdroparea.cpp deleted file mode 100644 index 6ea1467e41..0000000000 --- a/src/declarative/items/qquickdroparea.cpp +++ /dev/null @@ -1,428 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickdroparea_p.h" -#include "qquickdrag_p.h" -#include "qquickitem_p.h" -#include "qquickcanvas.h" - -#include <private/qdeclarativeengine_p.h> - -QT_BEGIN_NAMESPACE - -QQuickDropAreaDrag::QQuickDropAreaDrag(QQuickDropAreaPrivate *d, QObject *parent) - : QObject(parent) - , d(d) -{ -} - -QQuickDropAreaDrag::~QQuickDropAreaDrag() -{ -} - -class QQuickDropAreaPrivate : public QQuickItemPrivate -{ - Q_DECLARE_PUBLIC(QQuickDropArea) - -public: - QQuickDropAreaPrivate(); - ~QQuickDropAreaPrivate(); - - bool hasMatchingKey(const QStringList &keys) const; - - QStringList getKeys(const QMimeData *mimeData) const; - - QStringList keys; - QRegExp keyRegExp; - QPointF dragPosition; - QQuickDropAreaDrag *drag; - QDeclarativeGuard<QObject> source; - QDeclarativeGuard<QMimeData> mimeData; -}; - -QQuickDropAreaPrivate::QQuickDropAreaPrivate() - : drag(0) -{ -} - -QQuickDropAreaPrivate::~QQuickDropAreaPrivate() -{ - delete drag; -} - -/*! - \qmlclass DropArea QQuickDropArea - \inqmlmodule QtQuick 2 - \brief The DropArea item provides drag and drop handling. - - A DropArea is an invisible item which receives events when other items are - dragged over it. - - The Drag attached property can be used to notify the DropArea when an Item is - dragged over it. - - The \l keys property can be used to filter drag events which don't include - a matching key. - - The \l dropItem property is communicated to the source of a drag event as - the recipient of a drop on the drag target. - - The \l delegate property provides a means to specify a component to be - instantiated for each active drag over a drag target. -*/ - -QQuickDropArea::QQuickDropArea(QQuickItem *parent) - : QQuickItem(*new QQuickDropAreaPrivate, parent) -{ - setFlags(ItemAcceptsDrops); -} - -QQuickDropArea::~QQuickDropArea() -{ -} - -/*! - \qmlproperty bool QtQuick2::DropArea::containsDrag - - This property identifies whether the DropArea currently contains any - dragged items. -*/ - -bool QQuickDropArea::containsDrag() const -{ - Q_D(const QQuickDropArea); - return d->mimeData; -} - -/*! - \qmlproperty stringlist QtQuick2::DropArea::keys - - This property holds a list of drag keys a DropArea will accept. - - If no keys are listed the DropArea will accept events from any drag source, - otherwise the drag source must have at least one compatible key. - - \sa QtQuick2::Drag::keys -*/ - -QStringList QQuickDropArea::keys() const -{ - Q_D(const QQuickDropArea); - return d->keys; -} - -void QQuickDropArea::setKeys(const QStringList &keys) -{ - Q_D(QQuickDropArea); - if (d->keys != keys) { - d->keys = keys; - - if (keys.isEmpty()) { - d->keyRegExp = QRegExp(); - } else { - QString pattern = QLatin1Char('(') + QRegExp::escape(keys.first()); - for (int i = 1; i < keys.count(); ++i) - pattern += QLatin1Char('|') + QRegExp::escape(keys.at(i)); - pattern += QLatin1Char(')'); - d->keyRegExp = QRegExp(pattern.replace(QLatin1String("\\*"), QLatin1String(".+"))); - } - emit keysChanged(); - } -} - -QQuickDropAreaDrag *QQuickDropArea::drag() -{ - Q_D(QQuickDropArea); - if (!d->drag) - d->drag = new QQuickDropAreaDrag(d); - return d->drag; -} - -/*! - \qmlproperty Object QtQuick2::DropArea::drag.source - - This property holds the source of a drag. -*/ - -QObject *QQuickDropAreaDrag::source() const -{ - return d->source; -} - -/*! - \qmlproperty qreal QtQuick2::DropArea::drag.x - \qmlproperty qreal QtQuick2::DropArea::drag.y - - These properties hold the coordinates of the last drag event. -*/ - -qreal QQuickDropAreaDrag::x() const -{ - return d->dragPosition.x(); -} - -qreal QQuickDropAreaDrag::y() const -{ - return d->dragPosition.y(); -} - -/*! - \qmlsignal QtQuick2::DropArea::onPositionChanged(DragEvent drag) - - This handler is called when the position of a drag has changed. -*/ - -void QQuickDropArea::dragMoveEvent(QDragMoveEvent *event) -{ - Q_D(QQuickDropArea); - if (!d->mimeData) - return; - - d->dragPosition = event->pos(); - if (d->drag) - emit d->drag->positionChanged(); - - event->accept(); - QQuickDropEvent dragTargetEvent(d, event); - emit positionChanged(&dragTargetEvent); -} - -bool QQuickDropAreaPrivate::hasMatchingKey(const QStringList &keys) const -{ - if (keyRegExp.isEmpty()) - return true; - - foreach (const QString &key, keys) { - if (keyRegExp.exactMatch(key)) - return true; - } - return false; -} - -QStringList QQuickDropAreaPrivate::getKeys(const QMimeData *mimeData) const -{ - if (const QQuickDragMimeData *dragMime = qobject_cast<const QQuickDragMimeData *>(mimeData)) - return dragMime->keys(); - return mimeData->formats(); -} - -/*! - \qmlsignal QtQuick2::DropArea::onEntered(DragEvent drag) - - This handler is called when a \a drag enters the bounds of a DropArea. -*/ - -void QQuickDropArea::dragEnterEvent(QDragEnterEvent *event) -{ - Q_D(QQuickDropArea); - const QMimeData *mimeData = event->mimeData(); - if (!d->effectiveEnable || d->mimeData || !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(); - } -} - -/*! - \qmlsignal QtQuick2::DropArea::onExited() - - This handler is called when a drag exits the bounds of a DropArea. -*/ - -void QQuickDropArea::dragLeaveEvent(QDragLeaveEvent *) -{ - Q_D(QQuickDropArea); - if (!d->mimeData) - return; - - emit exited(); - - d->mimeData = 0; - d->source = 0; - emit containsDragChanged(); - if (d->drag) - emit d->drag->sourceChanged(); -} - -/*! - \qmlsignal QtQuick2::DropArea::onDropped(DragEvent drop) - - This handler is called when a drop event occurs within the bounds of a - a DropArea. -*/ - -void QQuickDropArea::dropEvent(QDropEvent *event) -{ - Q_D(QQuickDropArea); - if (!d->mimeData) - return; - - QQuickDropEvent dragTargetEvent(d, event); - emit dropped(&dragTargetEvent); - - d->mimeData = 0; - d->source = 0; - emit containsDragChanged(); - if (d->drag) - emit d->drag->sourceChanged(); -} - -/*! - \qmlclass DragEvent QQuickDragEvent - \inqmlmodule QtQuick 2 - \brief The DragEvent object provides information about a drag 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. -*/ - -/*! - \qmlproperty real QtQuick2::DragEvent::x - - This property holds the x coordinate of a drag event. -*/ - -/*! - \qmlproperty real QtQuick2::DragEvent::y - - This property holds the y coordinate of a drag event. -*/ - -/*! - \qmlproperty Object QtQuick2::DragEvent::drag.source - - 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 - - This property holds a list of keys identifying the data type or source of a - drag event. -*/ - -QStringList QQuickDropEvent::keys() const -{ - return d->getKeys(event->mimeData()); -} - -/*! - \qmlproperty enum QtQuick2::DragEvent::action - - This property holds the action that the \l source is to perform on an accepted drop. - - The drop action may be one of: - - \list - \o Qt.CopyAction Copy the data to the target - \o Qt.MoveAction Move the data from the source to the target - \o Qt.LinkAction Create a link from the source to the target. - \o Qt.IgnoreAction Ignore the action (do nothing with the data). - \endlist -*/ - -/*! - \qmlproperty flags QtQuick2::DragEvent::supportedActions - - This property holds the set of \l {action}{actions} supported by the - drag source. -*/ - -/*! - \qmlproperty real QtQuick2::DragEvent::accepted - - This property holds whether the drag event was accepted by a handler. - - The default value is true. -*/ - -/*! - \qmlmethod void QtQuick2::DragEvent::accept() - \qmlmethod void QtQuick2::DragEvent::accept(enum action) - - Accepts the drag event. - - If an \a action is specified it will overwrite the value of the \l action property. -*/ - -void QQuickDropEvent::accept(QDeclarativeV8Function *args) -{ - Qt::DropAction action = event->dropAction(); - - if (args->Length() >= 1) { - v8::Local<v8::Value> v = (*args)[0]; - if (v->IsInt32()) - action = Qt::DropAction(v->Int32Value()); - } - // get action from arguments. - event->setDropAction(action); - event->accept(); -} - - -QT_END_NAMESPACE - |