Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ import QtQuick
++ import QtQuick.VirtualKeyboard as VKB
++
++ VKB.InputMethod {
++ property string multitapSequence
++ property int multitapIndex: -1
++
++ onMultitapSequenceChanged: selectionListChanged(VKB.SelectionListModel.Type.WordCandidateList)
++ onMultitapIndexChanged: selectionListActiveItemChanged(VKB.SelectionListModel.Type.WordCandidateList, multitapIndex)
++
++ property variant multiTapTimer: Timer {
++ interval: 1200
++ onTriggered: {
++ update()
++ }
++ }
++
++ function inputModes(locale) {
++ return [VKB.InputEngine.InputMode.Latin, VKB.InputEngine.InputMode.Numeric, VKB.InputEngine.InputMode.Dialable];
++ }
++
++ function setInputMode(locale, inputMode) {
++ return true
++ }
++
++ function setTextCase(textCase) {
++ return true
++ }
++
++ function reset() {
++ multiTapTimer.stop()
++ multitapIndex = -1
++ multitapSequence = ""
++ }
++
++ function update() {
++ multiTapTimer.stop()
++ multitapIndex = -1
++ multitapSequence = ""
++ if (inputContext !== null && inputContext.preeditText.length > 0) {
++ inputContext.commit()
++ }
++ }
++
++ function keyEvent(key, text, modifiers) {
++ var accept = false
++ switch (key) {
++ case Qt.Key_Enter:
++ case Qt.Key_Return:
++ case Qt.Key_Tab:
++ update()
++ break
++ case Qt.Key_Backspace:
++ if (inputContext.preeditText.length > 0) {
++ inputContext.clear()
++ update()
++ accept = true
++ }
++ break
++ default:
++ if (key !== inputEngine.previousKey) {
++ update()
++ }
++ multitapSequence = text
++ if (multitapSequence.length > 1) {
++ multitapIndex = multiTapTimer.running ? (multitapIndex + 1) % multitapSequence.length : 0
++ inputContext.preeditText = multitapSequence.charAt(multitapIndex)
++ multiTapTimer.restart()
++ } else {
++ inputContext.commit(text)
++ }
++ accept = true
++ break
++ }
++ return accept;
++ }
++
++ function selectionLists() {
++ return [VKB.SelectionListModel.Type.WordCandidateList];
++ }
++
++ function selectionListItemCount(type) {
++ return multitapSequence.length > 1 ? multitapSequence.length : 0
++ }
++
++ function selectionListData(type, index, role) {
++ var result = null
++ switch (role) {
++ case VKB.SelectionListModel.Role.Display:
++ result = multitapSequence.charAt(index)
++ break
++ default:
++ break
++ }
++ return result
++ }
++
++ function selectionListItemSelected(type, index) {
++ multitapIndex = index
++ inputContext.preeditText = multitapSequence.charAt(multitapIndex)
++ update()
++ }
++ }