AutoScroller.qml Example File
basic/content/AutoScroller.qml
import QtQuick 2.0
import QtQuick.VirtualKeyboard 2.1
Item {
property var flickable
readonly property var inputItem: InputContext.inputItem
onInputItemChanged: delayedLoading.start()
function ensureVisible(flickable) {
if (!Qt.inputMethod.visible || !inputItem || !flickable || !flickable.visible)
return;
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)
if (verticallyFlickable) {
var scrollMarginVertical = 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.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(flickable)
}
Connections {
ignoreUnknownSignals: true
target: Qt.inputMethod
onKeyboardRectangleChanged: delayedLoading.start()
}
Connections {
ignoreUnknownSignals: true
target: inputItem
enabled: inputItem && inputItem.activeFocus
onCursorRectangleChanged: delayedLoading.start()
}
}