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Allow message passing from a script to a QML window

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This commit is contained in:
Brad Davis 2016-03-04 11:22:39 -08:00
parent f21815e332
commit 4e1f78b585
3 changed files with 29 additions and 0 deletions
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16
interface/resources/qml/QmlWindow.qml
View file

@ -50,7 +50,23 @@ Windows.Window {
}
}
}
// Handle message traffic from the script that launched us to the loaded QML
function fromScript(message) {
if (root.dynamicContent && root.dynamicContent.fromScript) {
root.dynamicContent.fromScript(message);
}
}
// Handle message traffic from our loaded QML to the script that launched us
signal sendToScript(var message);
onDynamicContentChanged: {
if (dynamicContent && dynamicContent.sendToScript) {
dynamicContent.sendToScript.connect(sendToScript);
}
}
Item {
id: contentHolder
anchors.fill: parent

7
libraries/ui/src/QmlWindowClass.cpp
View file

@ -217,6 +217,13 @@ QmlWindowClass::QmlWindowClass(QObject* qmlWindow)
qDebug() << "Created window with ID " << _windowId;
Q_ASSERT(_qmlWindow);
Q_ASSERT(dynamic_cast<const QQuickItem*>(_qmlWindow));
// Forward messages received from QML on to the script
connect(_qmlWindow, SIGNAL(sendToScript(QVariant)), this, SIGNAL(fromQml(const QVariant&)), Qt::QueuedConnection);
}
void QmlWindowClass::sendToQml(const QVariant& message) {
// Forward messages received from the script on to QML
QMetaObject::invokeMethod(asQuickItem(), "fromScript", Qt::QueuedConnection, Q_ARG(QVariant, message));
}
QmlWindowClass::~QmlWindowClass() {

6
libraries/ui/src/QmlWindowClass.h
View file

@ -67,17 +67,23 @@ public slots:
void setTitle(const QString& title);
// Ugh.... do not want to do
Q_INVOKABLE void raise();
Q_INVOKABLE void close();
Q_INVOKABLE int getWindowId() const { return _windowId; };
Q_INVOKABLE QmlScriptEventBridge* getEventBridge() const { return _eventBridge; };
// Scripts can use this to send a message to the QML object
void sendToQml(const QVariant& message);
signals:
void visibilityChanged(bool visible); // Tool window
void moved(glm::vec2 position);
void resized(QSizeF size);
void closed();
// Scripts can connect to this signal to receive messages from the QML object
void fromQml(const QVariant& message);
protected slots:
void hasClosed();