[2] | 1 | /****************************************************************************
|
---|
| 2 | **
|
---|
| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
|
---|
[561] | 4 | ** All rights reserved.
|
---|
| 5 | ** Contact: Nokia Corporation ([email protected])
|
---|
[2] | 6 | **
|
---|
| 7 | ** This file is part of the examples of the Qt Toolkit.
|
---|
| 8 | **
|
---|
| 9 | ** $QT_BEGIN_LICENSE:LGPL$
|
---|
| 10 | ** Commercial Usage
|
---|
| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
|
---|
| 12 | ** accordance with the Qt Commercial License Agreement provided with the
|
---|
| 13 | ** Software or, alternatively, in accordance with the terms contained in
|
---|
| 14 | ** a written agreement between you and Nokia.
|
---|
| 15 | **
|
---|
| 16 | ** GNU Lesser General Public License Usage
|
---|
| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
|
---|
| 18 | ** General Public License version 2.1 as published by the Free Software
|
---|
| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
|
---|
| 20 | ** packaging of this file. Please review the following information to
|
---|
| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
|
---|
| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
---|
| 23 | **
|
---|
[561] | 24 | ** In addition, as a special exception, Nokia gives you certain additional
|
---|
| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
|
---|
| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
---|
[2] | 27 | **
|
---|
| 28 | ** GNU General Public License Usage
|
---|
| 29 | ** Alternatively, this file may be used under the terms of the GNU
|
---|
| 30 | ** General Public License version 3.0 as published by the Free Software
|
---|
| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
|
---|
| 32 | ** packaging of this file. Please review the following information to
|
---|
| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
|
---|
| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
|
---|
| 35 | **
|
---|
[561] | 36 | ** If you have questions regarding the use of this file, please contact
|
---|
| 37 | ** Nokia at [email protected].
|
---|
[2] | 38 | ** $QT_END_LICENSE$
|
---|
| 39 | **
|
---|
| 40 | ****************************************************************************/
|
---|
| 41 |
|
---|
| 42 | #include "qcontext2dcanvas.h"
|
---|
| 43 |
|
---|
| 44 | #include "context2d.h"
|
---|
| 45 | #include "environment.h"
|
---|
| 46 | #include "domimage.h"
|
---|
| 47 |
|
---|
| 48 | #include <QPainter>
|
---|
| 49 | #include <QPaintEvent>
|
---|
| 50 |
|
---|
| 51 | //! [3]
|
---|
| 52 | QContext2DCanvas::QContext2DCanvas(Context2D *context, Environment *env, QWidget *parent)
|
---|
| 53 | : QWidget(parent), m_context(context), m_env(env)
|
---|
| 54 | {
|
---|
| 55 | QObject::connect(context, SIGNAL(changed(QImage)), this, SLOT(contentsChanged(QImage)));
|
---|
| 56 | setMouseTracking(true);
|
---|
| 57 | }
|
---|
| 58 | //! [3]
|
---|
| 59 |
|
---|
| 60 | QContext2DCanvas::~QContext2DCanvas()
|
---|
| 61 | {
|
---|
| 62 | }
|
---|
| 63 |
|
---|
| 64 | Context2D *QContext2DCanvas::context() const
|
---|
| 65 | {
|
---|
| 66 | return m_context;
|
---|
| 67 | }
|
---|
| 68 |
|
---|
| 69 | //! [0]
|
---|
| 70 | QScriptValue QContext2DCanvas::getContext(const QString &str)
|
---|
| 71 | {
|
---|
| 72 | if (str != "2d")
|
---|
| 73 | return QScriptValue();
|
---|
| 74 | return m_env->toWrapper(m_context);
|
---|
| 75 | }
|
---|
| 76 | //! [0]
|
---|
| 77 |
|
---|
| 78 | //! [1]
|
---|
| 79 | void QContext2DCanvas::contentsChanged(const QImage &image)
|
---|
| 80 | {
|
---|
| 81 | m_image = image;
|
---|
| 82 | update();
|
---|
| 83 | }
|
---|
| 84 |
|
---|
| 85 | void QContext2DCanvas::paintEvent(QPaintEvent *e)
|
---|
| 86 | {
|
---|
| 87 | QPainter p(this);
|
---|
[561] | 88 | #ifdef Q_WS_S60
|
---|
| 89 | // Draw white rect first since in with some themes the js-file content will produce black-on-black.
|
---|
| 90 | QBrush whiteBgBrush(Qt::white);
|
---|
| 91 | p.fillRect(e->rect(), whiteBgBrush);
|
---|
| 92 | #endif
|
---|
[2] | 93 | p.setClipRect(e->rect());
|
---|
| 94 | p.drawImage(0, 0, m_image);
|
---|
| 95 | }
|
---|
| 96 | //! [1]
|
---|
| 97 |
|
---|
| 98 | //! [2]
|
---|
| 99 | void QContext2DCanvas::mouseMoveEvent(QMouseEvent *e)
|
---|
| 100 | {
|
---|
| 101 | m_env->handleEvent(this, e);
|
---|
| 102 | }
|
---|
| 103 |
|
---|
| 104 | void QContext2DCanvas::mousePressEvent(QMouseEvent *e)
|
---|
| 105 | {
|
---|
| 106 | m_env->handleEvent(this, e);
|
---|
| 107 | }
|
---|
| 108 |
|
---|
| 109 | void QContext2DCanvas::mouseReleaseEvent(QMouseEvent *e)
|
---|
| 110 | {
|
---|
| 111 | m_env->handleEvent(this, e);
|
---|
| 112 | }
|
---|
| 113 |
|
---|
| 114 | void QContext2DCanvas::keyPressEvent(QKeyEvent *e)
|
---|
| 115 | {
|
---|
| 116 | m_env->handleEvent(this, e);
|
---|
| 117 | }
|
---|
| 118 |
|
---|
| 119 | void QContext2DCanvas::keyReleaseEvent(QKeyEvent *e)
|
---|
| 120 | {
|
---|
| 121 | m_env->handleEvent(this, e);
|
---|
| 122 | }
|
---|
| 123 | //! [2]
|
---|
| 124 |
|
---|
| 125 | void QContext2DCanvas::resizeEvent(QResizeEvent *e)
|
---|
| 126 | {
|
---|
| 127 | m_context->setSize(e->size().width(), e->size().height());
|
---|
| 128 | }
|
---|
| 129 |
|
---|
| 130 | void QContext2DCanvas::resize(int width, int height)
|
---|
| 131 | {
|
---|
| 132 | QWidget::resize(width, height);
|
---|
| 133 | }
|
---|
| 134 |
|
---|
| 135 | void QContext2DCanvas::reset()
|
---|
| 136 | {
|
---|
| 137 | m_context->reset();
|
---|
| 138 | }
|
---|
| 139 |
|
---|
| 140 | void QContext2DCanvas::addEventListener(const QString &type, const QScriptValue &listener,
|
---|
| 141 | bool useCapture)
|
---|
| 142 | {
|
---|
| 143 | Q_UNUSED(useCapture);
|
---|
| 144 | if (listener.isFunction()) {
|
---|
| 145 | QScriptValue self = m_env->toWrapper(this);
|
---|
| 146 | self.setProperty("on" + type, listener);
|
---|
| 147 | }
|
---|
| 148 | }
|
---|