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<h1 class="title">environment.cpp Example File</h1>
<span class="small-subtitle">script/context2d/environment.cpp</span>
<!-- $$$script/context2d/environment.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include "environment.h"</span>
<span class="preprocessor">#include "qcontext2dcanvas.h"</span>
<span class="preprocessor">#include "context2d.h"</span>
<span class="preprocessor">#include <QScriptValueIterator></span>
<span class="preprocessor">#include <QDateTime></span>
<span class="keyword">struct</span> FakeDomEvent
{
<span class="keyword">enum</span> KeyCodes {
DOM_VK_UNDEFINED <span class="operator">=</span> <span class="number">0x0</span><span class="operator">,</span>
DOM_VK_RIGHT_ALT <span class="operator">=</span> <span class="number">0x12</span><span class="operator">,</span>
DOM_VK_LEFT_ALT <span class="operator">=</span> <span class="number">0x12</span><span class="operator">,</span>
DOM_VK_LEFT_CONTROL <span class="operator">=</span> <span class="number">0x11</span><span class="operator">,</span>
DOM_VK_RIGHT_CONTROL <span class="operator">=</span> <span class="number">0x11</span><span class="operator">,</span>
DOM_VK_LEFT_SHIFT <span class="operator">=</span> <span class="number">0x10</span><span class="operator">,</span>
DOM_VK_RIGHT_SHIFT <span class="operator">=</span> <span class="number">0x10</span><span class="operator">,</span>
DOM_VK_META <span class="operator">=</span> <span class="number">0x9D</span><span class="operator">,</span>
DOM_VK_BACK_SPACE <span class="operator">=</span> <span class="number">0x08</span><span class="operator">,</span>
DOM_VK_CAPS_LOCK <span class="operator">=</span> <span class="number">0x14</span><span class="operator">,</span>
DOM_VK_DELETE <span class="operator">=</span> <span class="number">0x7F</span><span class="operator">,</span>
DOM_VK_END <span class="operator">=</span> <span class="number">0x23</span><span class="operator">,</span>
DOM_VK_ENTER <span class="operator">=</span> <span class="number">0x0D</span><span class="operator">,</span>
DOM_VK_ESCAPE <span class="operator">=</span> <span class="number">0x1B</span><span class="operator">,</span>
DOM_VK_HOME <span class="operator">=</span> <span class="number">0x24</span><span class="operator">,</span>
DOM_VK_NUM_LOCK <span class="operator">=</span> <span class="number">0x90</span><span class="operator">,</span>
DOM_VK_PAUSE <span class="operator">=</span> <span class="number">0x13</span><span class="operator">,</span>
DOM_VK_PRINTSCREEN <span class="operator">=</span> <span class="number">0x9A</span><span class="operator">,</span>
DOM_VK_SCROLL_LOCK <span class="operator">=</span> <span class="number">0x91</span><span class="operator">,</span>
DOM_VK_SPACE <span class="operator">=</span> <span class="number">0x20</span><span class="operator">,</span>
DOM_VK_TAB <span class="operator">=</span> <span class="number">0x09</span><span class="operator">,</span>
DOM_VK_LEFT <span class="operator">=</span> <span class="number">0x25</span><span class="operator">,</span>
DOM_VK_RIGHT <span class="operator">=</span> <span class="number">0x27</span><span class="operator">,</span>
DOM_VK_UP <span class="operator">=</span> <span class="number">0x26</span><span class="operator">,</span>
DOM_VK_DOWN <span class="operator">=</span> <span class="number">0x28</span><span class="operator">,</span>
DOM_VK_PAGE_DOWN <span class="operator">=</span> <span class="number">0x22</span><span class="operator">,</span>
DOM_VK_PAGE_UP <span class="operator">=</span> <span class="number">0x21</span><span class="operator">,</span>
DOM_VK_F1 <span class="operator">=</span> <span class="number">0x70</span><span class="operator">,</span>
DOM_VK_F2 <span class="operator">=</span> <span class="number">0x71</span><span class="operator">,</span>
DOM_VK_F3 <span class="operator">=</span> <span class="number">0x72</span><span class="operator">,</span>
DOM_VK_F4 <span class="operator">=</span> <span class="number">0x73</span><span class="operator">,</span>
DOM_VK_F5 <span class="operator">=</span> <span class="number">0x74</span><span class="operator">,</span>
DOM_VK_F6 <span class="operator">=</span> <span class="number">0x75</span><span class="operator">,</span>
DOM_VK_F7 <span class="operator">=</span> <span class="number">0x76</span><span class="operator">,</span>
DOM_VK_F8 <span class="operator">=</span> <span class="number">0x77</span><span class="operator">,</span>
DOM_VK_F9 <span class="operator">=</span> <span class="number">0x78</span><span class="operator">,</span>
DOM_VK_F10 <span class="operator">=</span> <span class="number">0x79</span><span class="operator">,</span>
DOM_VK_F11 <span class="operator">=</span> <span class="number">0x7A</span><span class="operator">,</span>
DOM_VK_F12 <span class="operator">=</span> <span class="number">0x7B</span><span class="operator">,</span>
DOM_VK_F13 <span class="operator">=</span> <span class="number">0xF000</span><span class="operator">,</span>
DOM_VK_F14 <span class="operator">=</span> <span class="number">0xF001</span><span class="operator">,</span>
DOM_VK_F15 <span class="operator">=</span> <span class="number">0xF002</span><span class="operator">,</span>
DOM_VK_F16 <span class="operator">=</span> <span class="number">0xF003</span><span class="operator">,</span>
DOM_VK_F17 <span class="operator">=</span> <span class="number">0xF004</span><span class="operator">,</span>
DOM_VK_F18 <span class="operator">=</span> <span class="number">0xF005</span><span class="operator">,</span>
DOM_VK_F19 <span class="operator">=</span> <span class="number">0xF006</span><span class="operator">,</span>
DOM_VK_F20 <span class="operator">=</span> <span class="number">0xF007</span><span class="operator">,</span>
DOM_VK_F21 <span class="operator">=</span> <span class="number">0xF008</span><span class="operator">,</span>
DOM_VK_F22 <span class="operator">=</span> <span class="number">0xF009</span><span class="operator">,</span>
DOM_VK_F23 <span class="operator">=</span> <span class="number">0xF00A</span><span class="operator">,</span>
DOM_VK_F24 <span class="operator">=</span> <span class="number">0xF00B</span>
};
<span class="keyword">static</span> <span class="type">int</span> qtToDomKey(<span class="type">int</span> keyCode);
};
<span class="type">int</span> FakeDomEvent<span class="operator">::</span>qtToDomKey(<span class="type">int</span> keyCode)
{
<span class="keyword">switch</span> (keyCode) {
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Backspace:
<span class="keyword">return</span> DOM_VK_BACK_SPACE;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Enter:
<span class="keyword">return</span> DOM_VK_ENTER;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Return:
<span class="keyword">return</span> DOM_VK_ENTER;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_NumLock:
<span class="keyword">return</span> DOM_VK_NUM_LOCK;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Alt:
<span class="keyword">return</span> DOM_VK_RIGHT_ALT;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Control:
<span class="keyword">return</span> DOM_VK_LEFT_CONTROL;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Shift:
<span class="keyword">return</span> DOM_VK_LEFT_SHIFT;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Meta:
<span class="keyword">return</span> DOM_VK_META;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_CapsLock:
<span class="keyword">return</span> DOM_VK_CAPS_LOCK;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Delete:
<span class="keyword">return</span> DOM_VK_DELETE;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_End:
<span class="keyword">return</span> DOM_VK_END;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Escape:
<span class="keyword">return</span> DOM_VK_ESCAPE;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Home:
<span class="keyword">return</span> DOM_VK_HOME;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Pause:
<span class="keyword">return</span> DOM_VK_PAUSE;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Print:
<span class="keyword">return</span> DOM_VK_PRINTSCREEN;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_ScrollLock:
<span class="keyword">return</span> DOM_VK_SCROLL_LOCK;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Left:
<span class="keyword">return</span> DOM_VK_LEFT;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Right:
<span class="keyword">return</span> DOM_VK_RIGHT;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Up:
<span class="keyword">return</span> DOM_VK_UP;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Down:
<span class="keyword">return</span> DOM_VK_DOWN;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_PageDown:
<span class="keyword">return</span> DOM_VK_PAGE_DOWN;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_PageUp:
<span class="keyword">return</span> DOM_VK_PAGE_UP;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F1:
<span class="keyword">return</span> DOM_VK_F1;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F2:
<span class="keyword">return</span> DOM_VK_F2;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F3:
<span class="keyword">return</span> DOM_VK_F3;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F4:
<span class="keyword">return</span> DOM_VK_F4;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F5:
<span class="keyword">return</span> DOM_VK_F5;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F6:
<span class="keyword">return</span> DOM_VK_F6;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F7:
<span class="keyword">return</span> DOM_VK_F7;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F8:
<span class="keyword">return</span> DOM_VK_F8;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F9:
<span class="keyword">return</span> DOM_VK_F9;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F10:
<span class="keyword">return</span> DOM_VK_F10;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F11:
<span class="keyword">return</span> DOM_VK_F11;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F12:
<span class="keyword">return</span> DOM_VK_F12;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F13:
<span class="keyword">return</span> DOM_VK_F13;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F14:
<span class="keyword">return</span> DOM_VK_F14;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F15:
<span class="keyword">return</span> DOM_VK_F15;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F16:
<span class="keyword">return</span> DOM_VK_F16;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F17:
<span class="keyword">return</span> DOM_VK_F17;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F18:
<span class="keyword">return</span> DOM_VK_F18;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F19:
<span class="keyword">return</span> DOM_VK_F19;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F20:
<span class="keyword">return</span> DOM_VK_F20;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F21:
<span class="keyword">return</span> DOM_VK_F21;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F22:
<span class="keyword">return</span> DOM_VK_F22;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F23:
<span class="keyword">return</span> DOM_VK_F23;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F24:
<span class="keyword">return</span> DOM_VK_F24;
}
<span class="keyword">return</span> keyCode;
}
Environment<span class="operator">::</span>Environment(<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="qobject.html">QObject</a></span>(parent)
{
m_engine <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qscriptengine.html">QScriptEngine</a></span>(<span class="keyword">this</span>);
m_document <span class="operator">=</span> m_engine<span class="operator">-</span><span class="operator">></span>newQObject(
<span class="keyword">new</span> Document(<span class="keyword">this</span>)<span class="operator">,</span> <span class="type"><a href="qscriptengine.html">QScriptEngine</a></span><span class="operator">::</span><span class="type">QtOwnership</span><span class="operator">,</span>
<span class="type"><a href="qscriptengine.html">QScriptEngine</a></span><span class="operator">::</span>ExcludeSuperClassContents);
CanvasGradientPrototype<span class="operator">::</span>setup(m_engine);
m_originalGlobalObject <span class="operator">=</span> m_engine<span class="operator">-</span><span class="operator">></span>globalObject();
reset();
}
Environment<span class="operator">::</span><span class="operator">~</span>Environment()
{
}
<span class="type"><a href="qscriptengine.html">QScriptEngine</a></span> <span class="operator">*</span>Environment<span class="operator">::</span>engine() <span class="keyword">const</span>
{
<span class="keyword">return</span> m_engine;
}
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> Environment<span class="operator">::</span>document() <span class="keyword">const</span>
{
<span class="keyword">return</span> m_document;
}
<span class="type">int</span> Environment<span class="operator">::</span>setTimeout(<span class="keyword">const</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">&</span>expression<span class="operator">,</span> <span class="type">int</span> delay)
{
<span class="keyword">if</span> (expression<span class="operator">.</span>isString() <span class="operator">|</span><span class="operator">|</span> expression<span class="operator">.</span>isFunction()) {
<span class="type">int</span> timerId <span class="operator">=</span> startTimer(delay);
m_timeoutHash<span class="operator">.</span>insert(timerId<span class="operator">,</span> expression);
<span class="keyword">return</span> timerId;
}
<span class="keyword">return</span> <span class="operator">-</span><span class="number">1</span>;
}
<span class="type">void</span> Environment<span class="operator">::</span>clearTimeout(<span class="type">int</span> timerId)
{
killTimer(timerId);
m_timeoutHash<span class="operator">.</span>remove(timerId);
}
<span class="type">int</span> Environment<span class="operator">::</span>setInterval(<span class="keyword">const</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">&</span>expression<span class="operator">,</span> <span class="type">int</span> delay)
{
<span class="keyword">if</span> (expression<span class="operator">.</span>isString() <span class="operator">|</span><span class="operator">|</span> expression<span class="operator">.</span>isFunction()) {
<span class="type">int</span> timerId <span class="operator">=</span> startTimer(delay);
m_intervalHash<span class="operator">.</span>insert(timerId<span class="operator">,</span> expression);
<span class="keyword">return</span> timerId;
}
<span class="keyword">return</span> <span class="operator">-</span><span class="number">1</span>;
}
<span class="type">void</span> Environment<span class="operator">::</span>clearInterval(<span class="type">int</span> timerId)
{
killTimer(timerId);
m_intervalHash<span class="operator">.</span>remove(timerId);
}
<span class="type">void</span> Environment<span class="operator">::</span>timerEvent(<span class="type"><a href="qtimerevent.html">QTimerEvent</a></span> <span class="operator">*</span>event)
{
<span class="type">int</span> id <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>timerId();
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> expression <span class="operator">=</span> m_intervalHash<span class="operator">.</span>value(id);
<span class="keyword">if</span> (<span class="operator">!</span>expression<span class="operator">.</span>isValid()) {
expression <span class="operator">=</span> m_timeoutHash<span class="operator">.</span>value(id);
<span class="keyword">if</span> (expression<span class="operator">.</span>isValid())
killTimer(id);
}
<span class="keyword">if</span> (expression<span class="operator">.</span>isString()) {
evaluate(expression<span class="operator">.</span>toString());
} <span class="keyword">else</span> <span class="keyword">if</span> (expression<span class="operator">.</span>isFunction()) {
expression<span class="operator">.</span>call();
}
maybeEmitScriptError();
}
<span class="type">void</span> Environment<span class="operator">::</span>addCanvas(QContext2DCanvas <span class="operator">*</span>canvas)
{
m_canvases<span class="operator">.</span>append(canvas);
}
QContext2DCanvas <span class="operator">*</span>Environment<span class="operator">::</span>canvasByName(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>name) <span class="keyword">const</span>
{
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> m_canvases<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) {
QContext2DCanvas <span class="operator">*</span>canvas <span class="operator">=</span> m_canvases<span class="operator">.</span>at(i);
<span class="keyword">if</span> (canvas<span class="operator">-</span><span class="operator">></span>objectName() <span class="operator">=</span><span class="operator">=</span> name)
<span class="keyword">return</span> canvas;
}
<span class="keyword">return</span> <span class="number">0</span>;
}
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span>QContext2DCanvas<span class="operator">*</span><span class="operator">></span> Environment<span class="operator">::</span>canvases() <span class="keyword">const</span>
{
<span class="keyword">return</span> m_canvases;
}
<span class="type">void</span> Environment<span class="operator">::</span><a href="qtextstream.html#reset">reset</a>()
{
<span class="keyword">if</span> (m_engine<span class="operator">-</span><span class="operator">></span>isEvaluating())
m_engine<span class="operator">-</span><span class="operator">></span>abortEvaluation();
{
<span class="type"><a href="qhash.html">QHash</a></span><span class="operator"><</span><span class="type">int</span><span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">></span><span class="operator">::</span>const_iterator it;
<span class="keyword">for</span> (it <span class="operator">=</span> m_intervalHash<span class="operator">.</span>constBegin(); it <span class="operator">!</span><span class="operator">=</span> m_intervalHash<span class="operator">.</span>constEnd(); <span class="operator">+</span><span class="operator">+</span>it)
killTimer(it<span class="operator">.</span>key());
m_intervalHash<span class="operator">.</span>clear();
<span class="keyword">for</span> (it <span class="operator">=</span> m_timeoutHash<span class="operator">.</span>constBegin(); it <span class="operator">!</span><span class="operator">=</span> m_timeoutHash<span class="operator">.</span>constEnd(); <span class="operator">+</span><span class="operator">+</span>it)
killTimer(it<span class="operator">.</span>key());
m_timeoutHash<span class="operator">.</span>clear();
}
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> m_canvases<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i)
m_canvases<span class="operator">.</span>at(i)<span class="operator">-</span><span class="operator">></span>reset();
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> self <span class="operator">=</span> m_engine<span class="operator">-</span><span class="operator">></span>newQObject(
<span class="keyword">this</span><span class="operator">,</span> <span class="type"><a href="qscriptengine.html">QScriptEngine</a></span><span class="operator">::</span><span class="type">QtOwnership</span><span class="operator">,</span>
<span class="type"><a href="qscriptengine.html">QScriptEngine</a></span><span class="operator">::</span>ExcludeSuperClassContents);
{
<span class="type"><a href="qscriptvalueiterator.html">QScriptValueIterator</a></span> it(m_originalGlobalObject);
<span class="keyword">while</span> (it<span class="operator">.</span>hasNext()) {
it<span class="operator">.</span>next();
self<span class="operator">.</span>setProperty(it<span class="operator">.</span>scriptName()<span class="operator">,</span> it<span class="operator">.</span>value()<span class="operator">,</span> it<span class="operator">.</span>flags());
}
}
self<span class="operator">.</span>setProperty(<span class="string">"self"</span><span class="operator">,</span> self);
self<span class="operator">.</span>setProperty(<span class="string">"window"</span><span class="operator">,</span> self);
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> navigator <span class="operator">=</span> m_engine<span class="operator">-</span><span class="operator">></span>newObject();
navigator<span class="operator">.</span>setProperty(<span class="string">"appCodeName"</span><span class="operator">,</span> <span class="string">"context2d"</span>);
navigator<span class="operator">.</span>setProperty(<span class="string">"appMinorVersion"</span><span class="operator">,</span> <span class="number">1</span>);
navigator<span class="operator">.</span>setProperty(<span class="string">"appVersion"</span><span class="operator">,</span> <span class="number">1</span>);
navigator<span class="operator">.</span>setProperty(<span class="string">"browserLanguage"</span><span class="operator">,</span> <span class="string">"en_US"</span>);
navigator<span class="operator">.</span>setProperty(<span class="string">"cookieEnabled"</span><span class="operator">,</span> <span class="keyword">false</span>);
navigator<span class="operator">.</span>setProperty(<span class="string">"cpuClass"</span><span class="operator">,</span> <span class="string">"i686"</span>);
navigator<span class="operator">.</span>setProperty(<span class="string">"onLine"</span><span class="operator">,</span> <span class="keyword">false</span>);
navigator<span class="operator">.</span>setProperty(<span class="string">"platform"</span><span class="operator">,</span> <span class="string">"bogus OS"</span>);
navigator<span class="operator">.</span>setProperty(<span class="string">"systemLanguage"</span><span class="operator">,</span> <span class="string">"en_US"</span>);
navigator<span class="operator">.</span>setProperty(<span class="string">"userAgent"</span><span class="operator">,</span> <span class="string">"Context2D/1.1"</span>);
navigator<span class="operator">.</span>setProperty(<span class="string">"userLanguage"</span><span class="operator">,</span> <span class="string">"en_US"</span>);
self<span class="operator">.</span>setProperty(<span class="string">"navigator"</span><span class="operator">,</span> navigator);
m_engine<span class="operator">-</span><span class="operator">></span>setGlobalObject(self);
m_engine<span class="operator">-</span><span class="operator">></span>collectGarbage();
}
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> Environment<span class="operator">::</span>evaluate(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>code<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>fileName)
{
<span class="keyword">return</span> m_engine<span class="operator">-</span><span class="operator">></span>evaluate(code<span class="operator">,</span> fileName);
}
<span class="type">bool</span> Environment<span class="operator">::</span>hasIntervalTimers() <span class="keyword">const</span>
{
<span class="keyword">return</span> <span class="operator">!</span>m_intervalHash<span class="operator">.</span>isEmpty();
}
<span class="comment">// This is used by the Context2D QtScript benchmark.</span>
<span class="type">void</span> Environment<span class="operator">::</span>triggerTimers()
{
<span class="keyword">for</span> (<span class="type">int</span> x <span class="operator">=</span> <span class="number">0</span>; x <span class="operator"><</span> <span class="number">2</span>; <span class="operator">+</span><span class="operator">+</span>x) {
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span><span class="type">int</span><span class="operator">></span> timerIds <span class="operator">=</span> x <span class="operator">?</span> m_intervalHash<span class="operator">.</span>keys() : m_timeoutHash<span class="operator">.</span>keys();
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> timerIds<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) {
<span class="type"><a href="qtimerevent.html">QTimerEvent</a></span> fakeEvent(timerIds<span class="operator">.</span>at(i));
timerEvent(<span class="operator">&</span>fakeEvent);
}
}
}
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> Environment<span class="operator">::</span>toWrapper(<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>object)
{
<span class="keyword">return</span> m_engine<span class="operator">-</span><span class="operator">></span>newQObject(object<span class="operator">,</span> <span class="type"><a href="qscriptengine.html">QScriptEngine</a></span><span class="operator">::</span><span class="type">QtOwnership</span><span class="operator">,</span>
<span class="type"><a href="qscriptengine.html">QScriptEngine</a></span><span class="operator">::</span>PreferExistingWrapperObject
<span class="operator">|</span> <span class="type"><a href="qscriptengine.html">QScriptEngine</a></span><span class="operator">::</span>ExcludeSuperClassContents);
}
<span class="type">void</span> Environment<span class="operator">::</span>handleEvent(QContext2DCanvas <span class="operator">*</span>canvas<span class="operator">,</span> <span class="type"><a href="qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>e)
{
<span class="type"><a href="qstring.html">QString</a></span> type;
<span class="keyword">switch</span> (e<span class="operator">-</span><span class="operator">></span>type()) {
<span class="keyword">case</span> <span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">::</span>MouseButtonPress:
type <span class="operator">=</span> <span class="string">"mousedown"</span>; <span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">::</span>MouseButtonRelease:
type <span class="operator">=</span> <span class="string">"mouseup"</span>; <span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">::</span>MouseMove:
type <span class="operator">=</span> <span class="string">"mousemove"</span>; <span class="keyword">break</span>;
<span class="keyword">default</span>: <span class="keyword">break</span>;
}
<span class="keyword">if</span> (type<span class="operator">.</span>isEmpty())
<span class="keyword">return</span>;
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> handlerObject;
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> handler <span class="operator">=</span> eventHandler(canvas<span class="operator">,</span> type<span class="operator">,</span> <span class="operator">&</span>handlerObject);
<span class="keyword">if</span> (<span class="operator">!</span>handler<span class="operator">.</span>isFunction())
<span class="keyword">return</span>;
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> scriptEvent <span class="operator">=</span> newFakeDomEvent(type<span class="operator">,</span> toWrapper(canvas));
<span class="comment">// MouseEvent</span>
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"screenX"</span><span class="operator">,</span> e<span class="operator">-</span><span class="operator">></span>globalX()<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"screenY"</span><span class="operator">,</span> e<span class="operator">-</span><span class="operator">></span>globalY()<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"clientX"</span><span class="operator">,</span> e<span class="operator">-</span><span class="operator">></span>x()<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"clientY"</span><span class="operator">,</span> e<span class="operator">-</span><span class="operator">></span>y()<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"layerX"</span><span class="operator">,</span> e<span class="operator">-</span><span class="operator">></span>x()<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"layerY"</span><span class="operator">,</span> e<span class="operator">-</span><span class="operator">></span>y()<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"pageX"</span><span class="operator">,</span> e<span class="operator">-</span><span class="operator">></span>x()<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"pageY"</span><span class="operator">,</span> e<span class="operator">-</span><span class="operator">></span>y()<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"altKey"</span><span class="operator">,</span> (e<span class="operator">-</span><span class="operator">></span>modifiers() <span class="operator">&</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AltModifier) <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span><span class="operator">,</span>
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"ctrlKey"</span><span class="operator">,</span> (e<span class="operator">-</span><span class="operator">></span>modifiers() <span class="operator">&</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ControlModifier) <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span><span class="operator">,</span>
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"metaKey"</span><span class="operator">,</span> (e<span class="operator">-</span><span class="operator">></span>modifiers() <span class="operator">&</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>MetaModifier) <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span><span class="operator">,</span>
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"shiftKey"</span><span class="operator">,</span> (e<span class="operator">-</span><span class="operator">></span>modifiers() <span class="operator">&</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ShiftModifier) <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span><span class="operator">,</span>
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
<span class="type">int</span> button <span class="operator">=</span> <span class="number">0</span>;
<span class="keyword">if</span> (e<span class="operator">-</span><span class="operator">></span>button() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>RightButton)
button <span class="operator">=</span> <span class="number">2</span>;
<span class="keyword">else</span> <span class="keyword">if</span> (e<span class="operator">-</span><span class="operator">></span>button() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>MidButton)
button <span class="operator">=</span> <span class="number">1</span>;
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"button"</span><span class="operator">,</span> button);
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"relatedTarget"</span><span class="operator">,</span> m_engine<span class="operator">-</span><span class="operator">></span>nullValue()<span class="operator">,</span>
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
handler<span class="operator">.</span>call(handlerObject<span class="operator">,</span> <span class="type">QScriptValueList</span>() <span class="operator"><</span><span class="operator"><</span> scriptEvent);
maybeEmitScriptError();
}
<span class="type">void</span> Environment<span class="operator">::</span>handleEvent(QContext2DCanvas <span class="operator">*</span>canvas<span class="operator">,</span> <span class="type"><a href="qkeyevent.html">QKeyEvent</a></span> <span class="operator">*</span>e)
{
<span class="type"><a href="qstring.html">QString</a></span> type;
<span class="keyword">switch</span> (e<span class="operator">-</span><span class="operator">></span>type()) {
<span class="keyword">case</span> <span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">::</span>KeyPress:
type <span class="operator">=</span> <span class="string">"keydown"</span>; <span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">::</span>KeyRelease:
type <span class="operator">=</span> <span class="string">"keyup"</span>; <span class="keyword">break</span>;
<span class="keyword">default</span>: <span class="keyword">break</span>;
}
<span class="keyword">if</span> (type<span class="operator">.</span>isEmpty())
<span class="keyword">return</span>;
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> handlerObject;
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> handler <span class="operator">=</span> eventHandler(canvas<span class="operator">,</span> type<span class="operator">,</span> <span class="operator">&</span>handlerObject);
<span class="keyword">if</span> (<span class="operator">!</span>handler<span class="operator">.</span>isFunction())
<span class="keyword">return</span>;
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> scriptEvent <span class="operator">=</span> newFakeDomEvent(type<span class="operator">,</span> toWrapper(canvas));
<span class="comment">// KeyEvent</span>
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"isChar"</span><span class="operator">,</span> <span class="operator">!</span>e<span class="operator">-</span><span class="operator">></span>text()<span class="operator">.</span>isEmpty());
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"charCode"</span><span class="operator">,</span> e<span class="operator">-</span><span class="operator">></span>text());
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"keyCode"</span><span class="operator">,</span> FakeDomEvent<span class="operator">::</span>qtToDomKey(e<span class="operator">-</span><span class="operator">></span>key()));
scriptEvent<span class="operator">.</span>setProperty(<span class="string">"which"</span><span class="operator">,</span> e<span class="operator">-</span><span class="operator">></span>key());
handler<span class="operator">.</span>call(handlerObject<span class="operator">,</span> <span class="type">QScriptValueList</span>() <span class="operator"><</span><span class="operator"><</span> scriptEvent);
maybeEmitScriptError();
}
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> Environment<span class="operator">::</span>eventHandler(QContext2DCanvas <span class="operator">*</span>canvas<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>type<span class="operator">,</span>
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">*</span>who)
{
<span class="type"><a href="qstring.html">QString</a></span> handlerName <span class="operator">=</span> <span class="string">"on"</span> <span class="operator">+</span> type;
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> obj <span class="operator">=</span> toWrapper(canvas);
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> handler <span class="operator">=</span> obj<span class="operator">.</span>property(handlerName);
<span class="keyword">if</span> (<span class="operator">!</span>handler<span class="operator">.</span>isValid()) {
obj <span class="operator">=</span> m_document;
handler <span class="operator">=</span> obj<span class="operator">.</span>property(handlerName);
}
<span class="keyword">if</span> (who <span class="operator">&</span><span class="operator">&</span> handler<span class="operator">.</span>isFunction())
<span class="operator">*</span>who <span class="operator">=</span> obj;
<span class="keyword">return</span> handler;
}
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> Environment<span class="operator">::</span>newFakeDomEvent(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>type<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">&</span>target)
{
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> e <span class="operator">=</span> m_engine<span class="operator">-</span><span class="operator">></span>newObject();
<span class="comment">// Event</span>
e<span class="operator">.</span>setProperty(<span class="string">"type"</span><span class="operator">,</span> type<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
e<span class="operator">.</span>setProperty(<span class="string">"bubbles"</span><span class="operator">,</span> <span class="keyword">true</span><span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
e<span class="operator">.</span>setProperty(<span class="string">"cancelable"</span><span class="operator">,</span> <span class="keyword">false</span><span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
e<span class="operator">.</span>setProperty(<span class="string">"target"</span><span class="operator">,</span> target<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
e<span class="operator">.</span>setProperty(<span class="string">"currentTarget"</span><span class="operator">,</span> target<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
e<span class="operator">.</span>setProperty(<span class="string">"eventPhase"</span><span class="operator">,</span> <span class="number">3</span>); <span class="comment">// bubbling</span>
e<span class="operator">.</span>setProperty(<span class="string">"timeStamp"</span><span class="operator">,</span> <span class="type"><a href="qdatetime.html">QDateTime</a></span><span class="operator">::</span>currentDateTime()<span class="operator">.</span>toTime_t());
<span class="comment">// UIEvent</span>
e<span class="operator">.</span>setProperty(<span class="string">"detail"</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
e<span class="operator">.</span>setProperty(<span class="string">"view"</span><span class="operator">,</span> m_engine<span class="operator">-</span><span class="operator">></span>globalObject()<span class="operator">,</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span><span class="operator">::</span>ReadOnly);
<span class="keyword">return</span> e;
}
<span class="type">void</span> Environment<span class="operator">::</span>maybeEmitScriptError()
{
<span class="keyword">if</span> (m_engine<span class="operator">-</span><span class="operator">></span>hasUncaughtException())
<span class="keyword">emit</span> scriptError(m_engine<span class="operator">-</span><span class="operator">></span>uncaughtException());
}
Document<span class="operator">::</span>Document(Environment <span class="operator">*</span>env)
: <span class="type"><a href="qobject.html">QObject</a></span>(env)
{
}
Document<span class="operator">::</span><span class="operator">~</span>Document()
{
}
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> Document<span class="operator">::</span>getElementById(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>id) <span class="keyword">const</span>
{
Environment <span class="operator">*</span>env <span class="operator">=</span> qobject_cast<span class="operator"><</span>Environment<span class="operator">*</span><span class="operator">></span>(parent());
QContext2DCanvas <span class="operator">*</span>canvas <span class="operator">=</span> env<span class="operator">-</span><span class="operator">></span>canvasByName(id);
<span class="keyword">if</span> (<span class="operator">!</span>canvas)
<span class="keyword">return</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span>();
<span class="keyword">return</span> env<span class="operator">-</span><span class="operator">></span>toWrapper(canvas);
}
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> Document<span class="operator">::</span>getElementsByTagName(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>name) <span class="keyword">const</span>
{
<span class="keyword">if</span> (name <span class="operator">!</span><span class="operator">=</span> <span class="string">"canvas"</span>)
<span class="keyword">return</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span>();
Environment <span class="operator">*</span>env <span class="operator">=</span> qobject_cast<span class="operator"><</span>Environment<span class="operator">*</span><span class="operator">></span>(parent());
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span>QContext2DCanvas<span class="operator">*</span><span class="operator">></span> list <span class="operator">=</span> env<span class="operator">-</span><span class="operator">></span>canvases();
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> result <span class="operator">=</span> env<span class="operator">-</span><span class="operator">></span>engine()<span class="operator">-</span><span class="operator">></span>newArray(list<span class="operator">.</span>size());
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> list<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i)
result<span class="operator">.</span>setProperty(i<span class="operator">,</span> env<span class="operator">-</span><span class="operator">></span>toWrapper(list<span class="operator">.</span>at(i)));
<span class="keyword">return</span> result;
}
<span class="type">void</span> Document<span class="operator">::</span>addEventListener(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>type<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">&</span>listener<span class="operator">,</span>
<span class="type">bool</span> useCapture)
{
Q_UNUSED(useCapture);
<span class="keyword">if</span> (listener<span class="operator">.</span>isFunction()) {
Environment <span class="operator">*</span>env <span class="operator">=</span> qobject_cast<span class="operator"><</span>Environment<span class="operator">*</span><span class="operator">></span>(parent());
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> self <span class="operator">=</span> env<span class="operator">-</span><span class="operator">></span>toWrapper(<span class="keyword">this</span>);
self<span class="operator">.</span>setProperty(<span class="string">"on"</span> <span class="operator">+</span> type<span class="operator">,</span> listener);
}
}
<span class="type"><a href="qcolor.html">QColor</a></span> colorFromString(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>name);
CanvasGradientPrototype<span class="operator">::</span>CanvasGradientPrototype(<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="qobject.html">QObject</a></span>(parent)
{
}
<span class="type">void</span> CanvasGradientPrototype<span class="operator">::</span>addColorStop(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> offset<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>color)
{
CanvasGradient <span class="operator">*</span>self <span class="operator">=</span> qscriptvalue_cast<span class="operator"><</span>CanvasGradient<span class="operator">*</span><span class="operator">></span>(thisObject());
<span class="keyword">if</span> (<span class="operator">!</span>self <span class="operator">|</span><span class="operator">|</span> (self<span class="operator">-</span><span class="operator">></span>value<span class="operator">.</span>type() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qgradient.html">QGradient</a></span><span class="operator">::</span>NoGradient))
<span class="keyword">return</span>;
self<span class="operator">-</span><span class="operator">></span>value<span class="operator">.</span>setColorAt(offset<span class="operator">,</span> colorFromString(color));
}
<span class="type">void</span> CanvasGradientPrototype<span class="operator">::</span>setup(<span class="type"><a href="qscriptengine.html">QScriptEngine</a></span> <span class="operator">*</span>engine)
{
CanvasGradientPrototype <span class="operator">*</span>proto <span class="operator">=</span> <span class="keyword">new</span> CanvasGradientPrototype();
engine<span class="operator">-</span><span class="operator">></span>setDefaultPrototype(<a href="qmetatype.html#qMetaTypeId">qMetaTypeId</a><span class="operator"><</span>CanvasGradient<span class="operator">></span>()<span class="operator">,</span>
engine<span class="operator">-</span><span class="operator">></span>newQObject(proto<span class="operator">,</span> <span class="type"><a href="qscriptengine.html">QScriptEngine</a></span><span class="operator">::</span>ScriptOwnership<span class="operator">,</span>
<span class="type"><a href="qscriptengine.html">QScriptEngine</a></span><span class="operator">::</span>ExcludeSuperClassContents));
}</pre>
</div>
<!-- @@@script/context2d/environment.cpp -->
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<acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its
subsidiaries. Documentation contributions included herein are the copyrights of
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