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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Virtual Keyboard add-on for Qt Enterprise.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
import QtQuick 2.0
import QtQuick.Enterprise.VirtualKeyboard 1.1
Item {
property var innerFlickable
property var outerFlickable
property var inputItem: InputContext.inputItem
onInputItemChanged: {
if (inputItem !== null) {
var parent_ = inputItem.parent
while (parent_) {
if (parent_.maximumFlickVelocity) {
if (innerFlickable) {
outerFlickable = parent_
break
} else {
innerFlickable = parent_
}
}
parent_ = parent_.parent
}
delayedLoading.triggered()
}
}
function ensureVisible(flickable) {
if (Qt.inputMethod.visible && inputItem && flickable && flickable.visible && flickable.interactive) {
var verticallyFlickable = (flickable.flickableDirection === Flickable.HorizontalAndVerticalFlick || flickable.flickableDirection === Flickable.VerticalFlick
|| (flickable.flickableDirection === Flickable.AutoFlickDirection && flickable.contentHeight > flickable.height))
var horizontallyFlickable = (flickable.flickableDirection === Flickable.HorizontalAndVerticalFlick || flickable.flickableDirection === Flickable.HorizontalFlick
|| (flickable.flickableDirection === Flickable.AutoFlickDirection && flickable.contentWidth > flickable.width))
if ((!verticallyFlickable && !horizontallyFlickable) || !inputItem.hasOwnProperty("cursorRectangle"))
return
var cursorRectangle = flickable.contentItem.mapFromItem(inputItem, inputItem.cursorRectangle.x, inputItem.cursorRectangle.y)
var oldContentY = flickable.contentY
if (verticallyFlickable) {
var scrollMarginVertical = (flickable && flickable.scrollMarginVertical) ? flickable.scrollMarginVertical : 10
if (flickable.contentY >= cursorRectangle.y - scrollMarginVertical)
flickable.contentY = Math.max(0, cursorRectangle.y - scrollMarginVertical)
else if (flickable.contentY + flickable.height <= cursorRectangle.y + inputItem.cursorRectangle.height + scrollMarginVertical)
flickable.contentY = Math.min(flickable.contentHeight - flickable.height, cursorRectangle.y + inputItem.cursorRectangle.height - flickable.height + scrollMarginVertical)
}
if (horizontallyFlickable) {
var scrollMarginHorizontal = (flickable && flickable.scrollMarginHorizontal) ? flickable.scrollMarginHorizontal : 10
if (flickable.contentX >= cursorRectangle.x - scrollMarginHorizontal)
flickable.contentX = Math.max(0, cursorRectangle.x - scrollMarginHorizontal)
else if (flickable.contentX + flickable.width <= cursorRectangle.x + inputItem.cursorRectangle.width + scrollMarginHorizontal)
flickable.contentX = Math.min(flickable.contentWidth - flickable.width, cursorRectangle.x + inputItem.cursorRectangle.width - flickable.width + scrollMarginHorizontal)
}
}
}
Timer {
id: delayedLoading
interval: 10
onTriggered: {
ensureVisible(innerFlickable)
ensureVisible(outerFlickable)
}
}
Connections {
ignoreUnknownSignals: true
target: InputContext.inputItem && Qt.inputMethod.animating ? Qt.inputMethod : null
onKeyboardRectangleChanged: delayedLoading.triggered()
}
Connections {
ignoreUnknownSignals: true
target: InputContext.inputItem && InputContext.inputItem.activeFocus ? InputContext.inputItem : null
onCursorRectangleChanged: delayedLoading.triggered()
}
}
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