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/****************************************************************************
**
** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.5
Item {
id: bubble
width: 1
height: 1
property int maxWidth: 0
property string mainText: "";
property string subText: "";
property int border: 1
property int arrowWidth: 18
property int arrowHeight: 18
property int arrowOffset: 18
property int marginLeft: border + 8
property int marginTop: border + arrowHeight + 6
property int marginRight: border + 8
property int marginBottom: border + 6
Column {
id: messageColumn
x: bubble.marginLeft
y: bubble.marginTop
z: 1
spacing: 5
Text {
id: message
width: bubble.maxWidth
wrapMode: Text.WordWrap
elide: Text.ElideNone
clip: true
font.pointSize: subMessage.font.pointSize + 4
text: bubble.mainText
}
Text {
id: subMessage
width: bubble.maxWidth
wrapMode: Text.WordWrap
elide: Text.ElideNone
clip: true
text: bubble.subText
}
}
Canvas {
id: bubbleCanvas
property int textWidth: Math.min(bubble.maxWidth, Math.max(message.paintedWidth, subMessage.paintedWidth))
property int textHeight: message.paintedHeight + (subMessage.paintedWidth > 0 ? (messageColumn.spacing + subMessage.paintedHeight) : 0)
width: textWidth + bubble.marginLeft + bubble.marginRight
height: textHeight + bubble.marginTop + bubble.marginBottom
property int cornerRadius: 7
property int messageBoxLeft: 0
property int messageBoxTop: bubble.arrowHeight
property int messageBoxRight: width - border
property int messageBoxBottom: height - border
onPaint: {
var ctx = getContext("2d")
ctx.lineWidth = bubble.border
ctx.strokeStyle = "#555"
ctx.fillStyle = "#ffffe1"
ctx.beginPath()
ctx.moveTo(messageBoxLeft + cornerRadius, messageBoxTop)
// Arrow
ctx.lineTo(messageBoxLeft + bubble.arrowOffset, messageBoxTop)
ctx.lineTo(messageBoxLeft + bubble.arrowOffset, messageBoxTop - bubble.arrowHeight)
ctx.lineTo(messageBoxLeft + bubble.arrowOffset + bubble.arrowWidth, messageBoxTop)
// Message Box
ctx.lineTo(messageBoxRight - cornerRadius, messageBoxTop)
ctx.quadraticCurveTo(messageBoxRight, messageBoxTop, messageBoxRight, messageBoxTop + cornerRadius)
ctx.lineTo(messageBoxRight, messageBoxBottom - cornerRadius)
ctx.quadraticCurveTo(messageBoxRight, messageBoxBottom, messageBoxRight - cornerRadius, messageBoxBottom)
ctx.lineTo(messageBoxLeft + cornerRadius, messageBoxBottom)
ctx.quadraticCurveTo(messageBoxLeft, messageBoxBottom, messageBoxLeft, messageBoxBottom - cornerRadius)
ctx.lineTo(messageBoxLeft, messageBoxTop + cornerRadius)
ctx.quadraticCurveTo(messageBoxLeft, messageBoxTop, messageBoxLeft + cornerRadius, messageBoxTop)
ctx.closePath()
ctx.fill()
ctx.stroke()
}
onPainted: {
bubble.width = bubbleCanvas.width
bubble.height = bubbleCanvas.height
}
}
}
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