Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
147 lines
4.4 KiB
C++
147 lines
4.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef ENVIRONMENT_H
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#define ENVIRONMENT_H
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#include <qobject.h>
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#include <qlist.h>
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#include <qhash.h>
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#include <QTimerEvent>
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#include <QMouseEvent>
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#include <QKeyEvent>
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#include <QScriptEngine>
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#include <QScriptable>
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class QContext2DCanvas;
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//! [0]
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class Environment : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(QScriptValue document READ document)
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public:
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Environment(QObject *parent = 0);
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~Environment();
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QScriptValue document() const;
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void addCanvas(QContext2DCanvas *canvas);
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QContext2DCanvas *canvasByName(const QString &name) const;
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QList<QContext2DCanvas*> canvases() const;
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QScriptValue evaluate(const QString &code,
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const QString &fileName = QString());
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QScriptValue toWrapper(QObject *object);
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void handleEvent(QContext2DCanvas *canvas, QMouseEvent *e);
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void handleEvent(QContext2DCanvas *canvas, QKeyEvent *e);
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void reset();
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//! [0]
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QScriptEngine *engine() const;
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bool hasIntervalTimers() const;
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void triggerTimers();
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//! [1]
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public slots:
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int setInterval(const QScriptValue &expression, int delay);
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void clearInterval(int timerId);
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int setTimeout(const QScriptValue &expression, int delay);
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void clearTimeout(int timerId);
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//! [1]
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//! [2]
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signals:
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void scriptError(const QScriptValue &error);
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//! [2]
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protected:
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void timerEvent(QTimerEvent *event);
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private:
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QScriptValue eventHandler(QContext2DCanvas *canvas,
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const QString &type, QScriptValue *who);
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QScriptValue newFakeDomEvent(const QString &type,
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const QScriptValue &target);
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void maybeEmitScriptError();
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QScriptEngine *m_engine;
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QScriptValue m_originalGlobalObject;
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QScriptValue m_document;
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QList<QContext2DCanvas*> m_canvases;
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QHash<int, QScriptValue> m_intervalHash;
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QHash<int, QScriptValue> m_timeoutHash;
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};
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//! [3]
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class Document : public QObject
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{
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Q_OBJECT
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public:
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Document(Environment *env);
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~Document();
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public slots:
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QScriptValue getElementById(const QString &id) const;
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QScriptValue getElementsByTagName(const QString &name) const;
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// EventTarget
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void addEventListener(const QString &type, const QScriptValue &listener,
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bool useCapture);
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};
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//! [3]
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class CanvasGradientPrototype : public QObject, public QScriptable
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{
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Q_OBJECT
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protected:
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CanvasGradientPrototype(QObject *parent = 0);
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public:
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static void setup(QScriptEngine *engine);
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public slots:
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void addColorStop(qreal offset, const QString &color);
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};
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#endif
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