overte/libraries/ui/src/QmlWindowClass.h

364 lines
12 KiB
C++

//
// Created by Bradley Austin Davis on 2015-12-15
// Copyright 2015 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_ui_QmlWindowClass_h
#define hifi_ui_QmlWindowClass_h
#include <QtCore/QObject>
#include <QtCore/QPointer>
#include <QtScript/QScriptValue>
#include <QtQuick/QQuickItem>
#include <GLMHelpers.h>
class QScriptEngine;
class QScriptContext;
/*@jsdoc
* A <code>OverlayWindow</code> displays a QML window inside Interface.
*
* <p>The QML can optionally include a <code>WebView</code> control that embeds an HTML-based windows. (The <code>WebView</code>
* control is defined by a "WebView.qml" file included in the Interface install.) Alternatively, an {@link OverlayWebWindow}
* can be used for HTML-based windows.</p>
*
* <p>Create using <code>new OverlayWindow(...)</code>.</p>
*
* @class OverlayWindow
* @param {string|OverlayWindow.Properties} [titleOrProperties="WebWindow"] - The window's title or initial property values.
* @param {string} [source] - The source of the QML to display. Not used unless the first parameter is the window title.
* @param {number} [width=0] - The width of the window interior, in pixels. Not used unless the first parameter is the window
* title.
* @param {number} [height=0] - The height of the window interior, in pixels. Not used unless the first parameter is the
* window title.
*
* @hifi-interface
* @hifi-client-entity
* @hifi-avatar
*
* @property {Vec2} position - The position of the window, in pixels.
* @property {Vec2} size - The size of the window interior, in pixels.
* @property {boolean} visible - <code>true</code> if the window is visible, <code>false</code> if it isn't.
*/
// FIXME refactor this class to be a QQuickItem derived type and eliminate the needless wrapping
class QmlWindowClass : public QObject {
Q_OBJECT
Q_PROPERTY(glm::vec2 position READ getPosition WRITE setPosition NOTIFY positionChanged)
Q_PROPERTY(glm::vec2 size READ getSize WRITE setSize NOTIFY sizeChanged)
Q_PROPERTY(bool visible READ isVisible WRITE setVisible NOTIFY visibleChanged)
private:
static QScriptValue internal_constructor(QScriptContext* context, QScriptEngine* engine, bool restricted);
public:
static QScriptValue constructor(QScriptContext* context, QScriptEngine* engine) {
return internal_constructor(context, engine, false);
}
static QScriptValue restricted_constructor(QScriptContext* context, QScriptEngine* engine ){
return internal_constructor(context, engine, true);
}
QmlWindowClass(bool restricted);
~QmlWindowClass();
/*@jsdoc
* @function OverlayWindow.initQml
* @param {OverlayWindow.Properties} properties - Properties.
* @deprecated This method is deprecated and will be removed.
*/
// FIXME: This shouldn't be in the API. It is an internal function used in object construction.
Q_INVOKABLE virtual void initQml(QVariantMap properties);
QQuickItem* asQuickItem() const;
public slots:
/*@jsdoc
* Gets whether the window is shown or hidden.
* @function OverlayWindow.isVisible
* @returns {boolean} code>true</code> if the window is shown, <code>false</code> if it is hidden.
*/
bool isVisible();
/*@jsdoc
* Shows or hides the window.
* @function OverlayWindow.setVisible
* @param {boolean} visible - code>true</code> to show the window, <code>false</code> to hide it.
*/
void setVisible(bool visible);
/*@jsdoc
* Gets the position of the window.
* @function OverlayWindow.getPosition
* @returns {Vec2} The position of the window, in pixels.
*/
glm::vec2 getPosition();
/*@jsdoc
* Sets the position of the window, from a {@link Vec2}.
* @function OverlayWindow.setPosition
* @param {Vec2} position - The position of the window, in pixels.
*/
void setPosition(const glm::vec2& position);
/*@jsdoc
* Sets the position of the window, from a pair of numbers.
* @function OverlayWindow.setPosition
* @param {number} x - The x position of the window, in pixels.
* @param {number} y - The y position of the window, in pixels.
*/
void setPosition(int x, int y);
/*@jsdoc
* Gets the size of the window interior.
* @function OverlayWindow.getSize
* @returns {Vec2} The size of the window interior, in pixels.
*/
glm::vec2 getSize();
/*@jsdoc
* Sets the size of the window interior, from a {@link Vec2}.
* @function OverlayWindow.setSize
* @param {Vec2} size - The size of the window interior, in pixels.
*/
void setSize(const glm::vec2& size);
/*@jsdoc
* Sets the size of the window interior, from a pair of numbers.
* @function OverlayWindow.setSize
* @param {number} width - The width of the window interior, in pixels.
* @param {number} height - The height of the window interior, in pixels.
*/
void setSize(int width, int height);
/*@jsdoc
* Sets the window title.
* @function OverlayWindow.setTitle
* @param {string} title - The window title.
*/
void setTitle(const QString& title);
/*@jsdoc
* Raises the window to the top.
* @function OverlayWindow.raise
*/
Q_INVOKABLE void raise();
/*@jsdoc
* Closes the window.
* <p>Note: The window also closes when the script ends.</p>
* @function OverlayWindow.close
*/
Q_INVOKABLE void close();
/*@jsdoc
* @function OverlayWindow.getEventBridge
* @returns {object} Object.
* @deprecated This method is deprecated and will be removed.
*/
// Shouldn't be in the API: It returns the OverlayWindow object, not the even bridge.
Q_INVOKABLE QObject* getEventBridge() { return this; };
/*@jsdoc
* Sends a message to the QML. To receive the message, the QML must implement a function:
* <pre class="prettyprint"><code>function fromScript(message) {
* ...
* }</code></pre>
* @function OverlayWindow.sendToQml
* @param {string | object} message - The message to send to the QML.
* @example <caption>Send and receive messages with a QML window.</caption>
* // JavaScript file.
*
* var overlayWindow = new OverlayWindow({
* title: "Overlay Window",
* source: Script.resolvePath("OverlayWindow.qml"),
* width: 400,
* height: 300
* });
*
* overlayWindow.fromQml.connect(function (message) {
* print("Message received: " + message);
* });
*
* Script.setTimeout(function () {
* overlayWindow.sendToQml("Hello world!");
* }, 2000);
*
* @example
* // QML file, "OverlayWindow.qml".
*
* import QtQuick 2.5
* import QtQuick.Controls 1.4
*
* Rectangle {
* width: parent.width
* height: parent.height
*
* function fromScript(message) {
* text.text = message;
* sendToScript("Hello back!");
* }
*
* Label{
* id: text
* anchors.centerIn : parent
* text : "..."
* }
* }
*/
// Scripts can use this to send a message to the QML object
void sendToQml(const QVariant& message);
/*@jsdoc
* Calls a <code>clearWindow()</code> function if present in the QML.
* @function OverlayWindow.clearDebugWindow
*/
void clearDebugWindow();
/*@jsdoc
* Sends a message to an embedded HTML web page. To receive the message, the HTML page's script must connect to the
* <code>EventBridge</code> that is automatically provided for the script:
* <pre class="prettyprint"><code>EventBridge.scriptEventReceived.connect(function(message) {
* ...
* });</code></pre>
* @function OverlayWindow.emitScriptEvent
* @param {string|object} message - The message to send to the embedded HTML page.
*/
// QmlWindow content may include WebView requiring EventBridge.
void emitScriptEvent(const QVariant& scriptMessage);
/*@jsdoc
* @function OverlayWindow.emitWebEvent
* @param {object|string} message - The message.
* @deprecated This function is deprecated and will be removed.
*/
void emitWebEvent(const QVariant& webMessage);
signals:
/*@jsdoc
* Triggered when the window is hidden or shown.
* @function OverlayWindow.visibleChanged
* @returns {Signal}
*/
void visibleChanged();
/*@jsdoc
* Triggered when the window changes position.
* @function OverlayWindow.positionChanged
* @returns {Signal}
*/
void positionChanged();
/*@jsdoc
* Triggered when the window changes size.
* @function OverlayWindow.sizeChanged
* @returns {Signal}
*/
void sizeChanged();
/*@jsdoc
* Triggered when the window changes position.
* @function OverlayWindow.moved
* @param {Vec2} position - The position of the window, in pixels.
* @returns {Signal}
*/
void moved(glm::vec2 position);
/*@jsdoc
* Triggered when the window changes size.
* @function OverlayWindow.resized
* @param {Size} size - The size of the window interior, in pixels.
* @returns {Signal}
*/
void resized(QSizeF size);
/*@jsdoc
* Triggered when the window is closed.
* @function OverlayWindow.closed
* @returns {Signal}
*/
void closed();
/*@jsdoc
* Triggered when a message from the QML page is received. The QML page can send a message (string or object) by calling:
* <pre class="prettyprint"><code>sendToScript(message);</code></pre>
* @function OverlayWindow.fromQml
* @param {object} message - The message received.
* @returns {Signal}
*/
// Scripts can connect to this signal to receive messages from the QML object
void fromQml(const QVariant& message);
/*@jsdoc
* @function OverlayWindow.scriptEventReceived
* @param {object} message - The message.
* @returns {Signal}
* @deprecated This signal is deprecated and will be removed.
*/
// QmlWindow content may include WebView requiring EventBridge.
void scriptEventReceived(const QVariant& message);
/*@jsdoc
* Triggered when a message from an embedded HTML page is received. The HTML page can send a message by calling:
* <pre class="prettyprint"><code>EventBridge.emitWebEvent(message);</code></pre>
* @function OverlayWindow.webEventReceived
* @param {string|object} message - The message received.
* @returns {Signal}
*/
void webEventReceived(const QVariant& message);
protected slots:
/*@jsdoc
* @function OverlayWindow.hasMoved
* @param {Vec2} position - Position.
* @deprecated This method is deprecated and will be removed.
*/
// Shouldn't be in the API: it is just connected to in order to emit a signal.
void hasMoved(QVector2D);
/*@jsdoc
* @function OverlayWindow.hasClosed
* @deprecated This method is deprecated and will be removed.
*/
// Shouldn't be in the API: it is just connected to in order to emit a signal.
void hasClosed();
/*@jsdoc
* @function OverlayWindow.qmlToScript
* @param {object} message - Message.
* @deprecated This method is deprecated and will be removed.
*/
// Shouldn't be in the API: it is just connected to in order to emit a signal.
void qmlToScript(const QVariant& message);
protected:
static QVariantMap parseArguments(QScriptContext* context);
static QScriptValue internalConstructor(QScriptContext* context, QScriptEngine* engine,
std::function<QmlWindowClass*(QVariantMap)> function);
virtual QString qmlSource() const { return "QmlWindow.qml"; }
QPointer<QObject> _qmlWindow;
QString _source;
const bool _restricted;
private:
// QmlWindow content may include WebView requiring EventBridge.
void setKeyboardRaised(QObject* object, bool raised, bool numeric = false);
};
#endif