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Diffstat (limited to 'src/declarative/items/qquickview.cpp')
| -rw-r--r-- | src/declarative/items/qquickview.cpp | 539 |
1 files changed, 0 insertions, 539 deletions
diff --git a/src/declarative/items/qquickview.cpp b/src/declarative/items/qquickview.cpp deleted file mode 100644 index 9d431c865a..0000000000 --- a/src/declarative/items/qquickview.cpp +++ /dev/null @@ -1,539 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 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 "qquickview.h" -#include "qquickview_p.h" - -#include "qquickcanvas_p.h" -#include "qquickitem_p.h" -#include "qquickitemchangelistener_p.h" - -#include <private/qdeclarativedebugtrace_p.h> -#include <private/qdeclarativeinspectorservice_p.h> - -#include <QtDeclarative/qdeclarativeengine.h> -#include <private/qdeclarativeengine_p.h> -#include <QtCore/qbasictimer.h> - - -QT_BEGIN_NAMESPACE - -void QQuickViewPrivate::init() -{ - Q_Q(QQuickView); - - engine.setIncubationController(q->incubationController()); - - if (QDeclarativeDebugService::isDebuggingEnabled()) - QDeclarativeInspectorService::instance()->addView(q); -} - -QQuickViewPrivate::QQuickViewPrivate() - : root(0), component(0), resizeMode(QQuickView::SizeViewToRootObject), initialSize(0,0) -{ -} - -QQuickViewPrivate::~QQuickViewPrivate() -{ - if (QDeclarativeDebugService::isDebuggingEnabled()) - QDeclarativeInspectorService::instance()->removeView(q_func()); - - delete root; -} - -void QQuickViewPrivate::execute() -{ - Q_Q(QQuickView); - if (root) { - delete root; - root = 0; - } - if (component) { - delete component; - component = 0; - } - if (!source.isEmpty()) { - component = new QDeclarativeComponent(&engine, source, q); - if (!component->isLoading()) { - q->continueExecute(); - } else { - QObject::connect(component, SIGNAL(statusChanged(QDeclarativeComponent::Status)), - q, SLOT(continueExecute())); - } - } -} - -void QQuickViewPrivate::itemGeometryChanged(QQuickItem *resizeItem, const QRectF &newGeometry, const QRectF &oldGeometry) -{ - Q_Q(QQuickView); - if (resizeItem == root && resizeMode == QQuickView::SizeViewToRootObject) { - // wait for both width and height to be changed - resizetimer.start(0,q); - } - QQuickItemChangeListener::itemGeometryChanged(resizeItem, newGeometry, oldGeometry); -} - -/*! - \class QQuickView - \since QtQuick 2.0 - \brief The QQuickView class provides a window for displaying a Qt Quick user interface. - - This is a convenience subclass of QQuickCanvas which - will automatically load and display a QML scene when given the URL of the main source file. Alternatively, - you can instantiate your own objects using QDeclarativeComponent and place them in a manually setup QQuickCanvas. - - Typical usage: - - \code - QQuickView *view = new QQuickView; - view->setSource(QUrl::fromLocalFile("myqmlfile.qml")); - view->show(); - \endcode - - To receive errors related to loading and executing QML with QQuickView, - you can connect to the statusChanged() signal and monitor for QQuickView::Error. - The errors are available via QQuickView::errors(). - - \sa {Using QML Bindings in C++ Applications} -*/ - - -/*! \fn void QQuickView::sceneResized(QSize size) - This signal is emitted when the view is resized to \a size. -*/ - -/*! \fn void QQuickView::statusChanged(QQuickView::Status status) - This signal is emitted when the component's current \a status changes. -*/ - -/*! \fn void QQuickView::initialSizeChanged(QSize size) - \internal -*/ - -/*! - \fn QQuickView::QQuickView(QWindow *parent) - - Constructs a QQuickView with the given \a parent. -*/ -QQuickView::QQuickView(QWindow *parent, Qt::WindowFlags f) -: QQuickCanvas(*(new QQuickViewPrivate), parent) -{ - setWindowFlags(f); - d_func()->init(); -} - -/*! - \fn QQuickView::QQuickView(const QUrl &source, QWidget *parent) - - Constructs a QQuickView with the given QML \a source and \a parent. -*/ -QQuickView::QQuickView(const QUrl &source, QWindow *parent, Qt::WindowFlags f) -: QQuickCanvas(*(new QQuickViewPrivate), parent) -{ - setWindowFlags(f); - d_func()->init(); - setSource(source); -} - -QQuickView::~QQuickView() -{ -} - -/*! \property QQuickView::source - \brief The URL of the source of the QML component. - - Changing this property causes the QML component to be reloaded. - - Ensure that the URL provided is full and correct, in particular, use - \l QUrl::fromLocalFile() when loading a file from the local filesystem. - */ - -/*! - Sets the source to the \a url, loads the QML component and instantiates it. - - Ensure that the URL provided is full and correct, in particular, use - \l QUrl::fromLocalFile() when loading a file from the local filesystem. - - Calling this methods multiple times with the same url will result - in the QML being reloaded. - */ -void QQuickView::setSource(const QUrl& url) -{ - Q_D(QQuickView); - d->source = url; - d->execute(); -} - -/*! - Returns the source URL, if set. - - \sa setSource() - */ -QUrl QQuickView::source() const -{ - Q_D(const QQuickView); - return d->source; -} - -/*! - Returns a pointer to the QDeclarativeEngine used for instantiating - QML Components. - */ -QDeclarativeEngine* QQuickView::engine() const -{ - Q_D(const QQuickView); - return const_cast<QDeclarativeEngine *>(&d->engine); -} - -/*! - This function returns the root of the context hierarchy. Each QML - component is instantiated in a QDeclarativeContext. QDeclarativeContext's are - essential for passing data to QML components. In QML, contexts are - arranged hierarchically and this hierarchy is managed by the - QDeclarativeEngine. - */ -QDeclarativeContext* QQuickView::rootContext() const -{ - Q_D(const QQuickView); - return d->engine.rootContext(); -} - -/*! - \enum QQuickView::Status - Specifies the loading status of the QQuickView. - - \value Null This QQuickView has no source set. - \value Ready This QQuickView has loaded and created the QML component. - \value Loading This QQuickView is loading network data. - \value Error One or more errors has occurred. Call errors() to retrieve a list - of errors. -*/ - -/*! \enum QQuickView::ResizeMode - - This enum specifies how to resize the view. - - \value SizeViewToRootObject The view resizes with the root item in the QML. - \value SizeRootObjectToView The view will automatically resize the root item to the size of the view. -*/ - -/*! - \property QQuickView::status - The component's current \l{QQuickView::Status} {status}. -*/ - -QQuickView::Status QQuickView::status() const -{ - Q_D(const QQuickView); - if (!d->component) - return QQuickView::Null; - - return QQuickView::Status(d->component->status()); -} - -/*! - Return the list of errors that occurred during the last compile or create - operation. When the status is not Error, an empty list is returned. -*/ -QList<QDeclarativeError> QQuickView::errors() const -{ - Q_D(const QQuickView); - if (d->component) - return d->component->errors(); - return QList<QDeclarativeError>(); -} - -/*! - \property QQuickView::resizeMode - \brief whether the view should resize the canvas contents - - If this property is set to SizeViewToRootObject (the default), the view - resizes with the root item in the QML. - - If this property is set to SizeRootObjectToView, the view will - automatically resize the root item. - - Regardless of this property, the sizeHint of the view - is the initial size of the root item. Note though that - since QML may load dynamically, that size may change. -*/ - -void QQuickView::setResizeMode(ResizeMode mode) -{ - Q_D(QQuickView); - if (d->resizeMode == mode) - return; - - if (d->root) { - if (d->resizeMode == SizeViewToRootObject) { - QQuickItemPrivate *p = QQuickItemPrivate::get(d->root); - p->removeItemChangeListener(d, QQuickItemPrivate::Geometry); - } - } - - d->resizeMode = mode; - if (d->root) { - d->initResize(); - } -} - -void QQuickViewPrivate::initResize() -{ - if (root) { - if (resizeMode == QQuickView::SizeViewToRootObject) { - QQuickItemPrivate *p = QQuickItemPrivate::get(root); - p->addItemChangeListener(this, QQuickItemPrivate::Geometry); - } - } - updateSize(); -} - -void QQuickViewPrivate::updateSize() -{ - Q_Q(QQuickView); - if (!root) - return; - - if (resizeMode == QQuickView::SizeViewToRootObject) { - QSize newSize = QSize(root->width(), root->height()); - if (newSize.isValid() && newSize != q->size()) { - q->resize(newSize); - } - } else if (resizeMode == QQuickView::SizeRootObjectToView) { - if (!qFuzzyCompare(q->width(), root->width())) - root->setWidth(q->width()); - if (!qFuzzyCompare(q->height(), root->height())) - root->setHeight(q->height()); - } -} - -QSize QQuickViewPrivate::rootObjectSize() const -{ - QSize rootObjectSize(0,0); - int widthCandidate = -1; - int heightCandidate = -1; - if (root) { - widthCandidate = root->width(); - heightCandidate = root->height(); - } - if (widthCandidate > 0) { - rootObjectSize.setWidth(widthCandidate); - } - if (heightCandidate > 0) { - rootObjectSize.setHeight(heightCandidate); - } - return rootObjectSize; -} - -QQuickView::ResizeMode QQuickView::resizeMode() const -{ - Q_D(const QQuickView); - return d->resizeMode; -} - -/*! - \internal - */ -void QQuickView::continueExecute() -{ - Q_D(QQuickView); - disconnect(d->component, SIGNAL(statusChanged(QDeclarativeComponent::Status)), this, SLOT(continueExecute())); - - if (d->component->isError()) { - QList<QDeclarativeError> errorList = d->component->errors(); - foreach (const QDeclarativeError &error, errorList) { - qWarning() << error; - } - emit statusChanged(status()); - return; - } - - QObject *obj = d->component->create(); - - if (d->component->isError()) { - QList<QDeclarativeError> errorList = d->component->errors(); - foreach (const QDeclarativeError &error, errorList) { - qWarning() << error; - } - emit statusChanged(status()); - return; - } - - d->setRootObject(obj); - emit statusChanged(status()); -} - - -/*! - \internal -*/ -void QQuickViewPrivate::setRootObject(QObject *obj) -{ - Q_Q(QQuickView); - if (root == obj) - return; - if (QQuickItem *sgItem = qobject_cast<QQuickItem *>(obj)) { - root = sgItem; - sgItem->setParentItem(q->QQuickCanvas::rootItem()); - } else { - qWarning() << "QQuickView only supports loading of root objects that derive from QQuickItem." << endl - << endl - << "If your example is using QML 2, (such as qmlscene) and the .qml file you" << endl - << "loaded has 'import QtQuick 1.0' or 'import Qt 4.7', this error will occur." << endl - << endl - << "To load files with 'import QtQuick 1.0' with QML 2, specify:" << endl - << " QMLSCENE_IMPORT_NAME=quick1" << endl - << "on as an environment variable prior to launching the application." << endl - << endl - << "To load files with 'import Qt 4.7' with QML 2, specify:" << endl - << " QMLSCENE_IMPORT_NAME=qt" << endl - << "on as an environment variable prior to launching the application." << endl; - delete obj; - root = 0; - } - if (root) { - initialSize = rootObjectSize(); - if ((resizeMode == QQuickView::SizeViewToRootObject || !q->width() || !q->height()) - && initialSize != q->size()) { - q->resize(initialSize); - } - initResize(); - } -} - -/*! - \internal - If the \l {QTimerEvent} {timer event} \a e is this - view's resize timer, sceneResized() is emitted. - */ -void QQuickView::timerEvent(QTimerEvent* e) -{ - Q_D(QQuickView); - if (!e || e->timerId() == d->resizetimer.timerId()) { - d->updateSize(); - d->resizetimer.stop(); - } -} - -/*! - \internal - Preferred size follows the root object geometry. -*/ -QSize QQuickView::sizeHint() const -{ - Q_D(const QQuickView); - QSize rootObjectSize = d->rootObjectSize(); - if (rootObjectSize.isEmpty()) { - return size(); - } else { - return rootObjectSize; - } -} - -/*! - Returns the initial size of the root object -*/ -QSize QQuickView::initialSize() const -{ - Q_D(const QQuickView); - return d->initialSize; -} - -/*! - Returns the view's root \l {QQuickItem} {item}. - */ -QQuickItem *QQuickView::rootObject() const -{ - Q_D(const QQuickView); - return d->root; -} - -/*! - \internal - This function handles the \l {QResizeEvent} {resize event} - \a e. - */ -void QQuickView::resizeEvent(QResizeEvent *e) -{ - Q_D(QQuickView); - if (d->resizeMode == SizeRootObjectToView) - d->updateSize(); - - QQuickCanvas::resizeEvent(e); -} - -void QQuickView::keyPressEvent(QKeyEvent *e) -{ - QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::Key); - - QQuickCanvas::keyPressEvent(e); -} - -void QQuickView::keyReleaseEvent(QKeyEvent *e) -{ - QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::Key); - - QQuickCanvas::keyReleaseEvent(e); -} - -void QQuickView::mouseMoveEvent(QMouseEvent *e) -{ - QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::Mouse); - - QQuickCanvas::mouseMoveEvent(e); -} - -void QQuickView::mousePressEvent(QMouseEvent *e) -{ - QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::Mouse); - - QQuickCanvas::mousePressEvent(e); -} - -void QQuickView::mouseReleaseEvent(QMouseEvent *e) -{ - QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::Mouse); - - QQuickCanvas::mouseReleaseEvent(e); -} - - -QT_END_NAMESPACE |