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/****************************************************************************
**
** Copyright (C) 2014 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.Layouts 1.0
import QtQuick.Enterprise.VirtualKeyboard 1.1
import QtQuick.Enterprise.VirtualKeyboard.Styles 1.1
import QtQuick.Enterprise.VirtualKeyboard.Settings 1.0
import Qt.labs.folderlistmodel 2.0
Item {
id: keyboard
property alias style: styleLoader.item
property var activeKey: null
property TouchPoint activeTouchPoint
property int localeIndex: -1
property var availableLocaleIndices: []
property string locale: localeIndex >= 0 && localeIndex < layoutsModel.count ? layoutsModel.get(localeIndex, "fileName") : ""
property string inputLocale
property int defaultLocaleIndex: -1
property string defaultLocale: defaultLocaleIndex >= 0 && defaultLocaleIndex < layoutsModel.count ? layoutsModel.get(defaultLocaleIndex, "fileName") : ""
property string layout
property string layoutType: {
if (keyboard.dialpadMode) return "dialpad"
if (keyboard.numberMode) return "numbers"
if (keyboard.digitMode) return "digits"
if (keyboard.symbolMode) return "symbols"
return "main"
}
property bool active: Qt.inputMethod.visible
property bool uppercased: InputContext.shift || InputContext.capsLock
property bool uppercaseOnly: InputContext.inputMethodHints & Qt.ImhUppercaseOnly
property bool lowercaseOnly: InputContext.inputMethodHints & Qt.ImhLowercaseOnly
property bool dialpadMode: InputContext.inputMethodHints & Qt.ImhDialableCharactersOnly
property bool numberMode: InputContext.inputMethodHints & Qt.ImhFormattedNumbersOnly
property bool digitMode: InputContext.inputMethodHints & Qt.ImhDigitsOnly
property bool latinOnly: InputContext.inputMethodHints & Qt.ImhLatinOnly
property bool symbolMode
property var defaultInputMethod: initDefaultInputMethod()
property var plainInputMethod: PlainInputMethod {}
property int defaultInputMode: InputEngine.Latin
property bool inputModeNeedsReset: true
property bool navigationModeActive: false
property alias soundEffect: soundEffect
function initDefaultInputMethod() {
try {
return Qt.createQmlObject('import QtQuick 2.0; import QtQuick.Enterprise.VirtualKeyboard 1.1; HunspellInputMethod {}', keyboard, "defaultInputMethod")
} catch (e) { }
return plainInputMethod
}
width: keyboardBackground.width
height: wordCandidateView.height + keyboardBackground.height
onActiveChanged: {
keyboardInputArea.reset()
}
onLocaleChanged: {
inputModeNeedsReset = true
updateLayout()
}
onInputLocaleChanged: {
if (Qt.locale(inputLocale).name !== "C")
InputContext.locale = inputLocale
}
onLayoutTypeChanged: {
updateAvailableLocaleIndices()
updateLayout()
}
onLatinOnlyChanged: {
updateInputMethod()
}
Connections {
target: InputContext
onInputMethodHintsChanged: {
keyboard.symbolMode = InputContext.inputMethodHints & Qt.ImhPreferNumbers
}
onInputItemChanged: {
inputModeNeedsReset = true
}
onNavigationKeyPressed: {
var initialKey
switch (key) {
case Qt.Key_Left:
if (keyboard.navigationModeActive && !keyboardInputArea.initialKey) {
if (alternativeKeys.active) {
if (alternativeKeys.listView.currentIndex > 0) {
alternativeKeys.listView.decrementCurrentIndex()
} else {
alternativeKeys.close()
keyboardInputArea.setActiveKey(null)
keyboardInputArea.navigateToNextKey(0, 0, false)
}
break
}
if (wordCandidateView.count) {
if (wordCandidateView.currentIndex > 0) {
wordCandidateView.decrementCurrentIndex()
} else {
keyboardInputArea.navigateToNextKey(0, 0, false)
initialKey = keyboardInputArea.initialKey
if (!keyboardInputArea.navigateToNextKey(-1, -1, false)) {
keyboardInputArea.initialKey = initialKey
keyboardInputArea.navigateToNextKey(-1, -1, true)
} else {
keyboardInputArea.navigateToNextKey(1, 1, false)
}
}
break
}
}
initialKey = keyboardInputArea.initialKey
if (!keyboardInputArea.navigateToNextKey(-1, 0, false)) {
keyboardInputArea.initialKey = initialKey
if (!keyboardInputArea.navigateToNextKey(0, -1, false)) {
if (wordCandidateView.count) {
if (wordCandidateView.currentIndex === -1)
wordCandidateView.incrementCurrentIndex()
break
}
keyboardInputArea.initialKey = initialKey
keyboardInputArea.navigateToNextKey(0, -1, true)
}
keyboardInputArea.navigateToNextKey(-1, 0, true)
}
break
case Qt.Key_Up:
if (alternativeKeys.active) {
alternativeKeys.close()
keyboardInputArea.setActiveKey(null)
keyboardInputArea.navigateToNextKey(0, 0, false)
} else if (keyboard.navigationModeActive && !keyboardInputArea.initialKey && wordCandidateView.count) {
keyboardInputArea.navigateToNextKey(0, 0, false)
initialKey = keyboardInputArea.initialKey
if (!keyboardInputArea.navigateToNextKey(0, -1, false)) {
keyboardInputArea.initialKey = initialKey
keyboardInputArea.navigateToNextKey(0, -1, true)
} else {
keyboardInputArea.navigateToNextKey(0, 1, false)
}
} else if (!keyboardInputArea.navigateToNextKey(0, -1, !keyboard.navigationModeActive || !keyboardInputArea.initialKey || wordCandidateView.count == 0)) {
if (wordCandidateView.currentIndex === -1)
wordCandidateView.incrementCurrentIndex()
}
break
case Qt.Key_Right:
if (keyboard.navigationModeActive && !keyboardInputArea.initialKey) {
if (alternativeKeys.active) {
if (alternativeKeys.listView.currentIndex + 1 < alternativeKeys.listView.count) {
alternativeKeys.listView.incrementCurrentIndex()
} else {
alternativeKeys.close()
keyboardInputArea.setActiveKey(null)
keyboardInputArea.navigateToNextKey(0, 0, false)
}
break
}
if (wordCandidateView.count) {
if (wordCandidateView.currentIndex + 1 < wordCandidateView.count) {
wordCandidateView.incrementCurrentIndex()
} else {
keyboardInputArea.navigateToNextKey(0, 0, false)
initialKey = keyboardInputArea.initialKey
if (!keyboardInputArea.navigateToNextKey(1, 1, false)) {
keyboardInputArea.initialKey = initialKey
keyboardInputArea.navigateToNextKey(1, 1, true)
} else {
keyboardInputArea.navigateToNextKey(-1, -1, false)
}
}
break
}
}
initialKey = keyboardInputArea.initialKey
if (!keyboardInputArea.navigateToNextKey(1, 0, false)) {
keyboardInputArea.initialKey = initialKey
if (!keyboardInputArea.navigateToNextKey(0, 1, false)) {
if (wordCandidateView.count) {
if (wordCandidateView.currentIndex === -1)
wordCandidateView.incrementCurrentIndex()
break
}
keyboardInputArea.initialKey = initialKey
keyboardInputArea.navigateToNextKey(0, 1, true)
}
keyboardInputArea.navigateToNextKey(1, 0, true)
}
break
case Qt.Key_Down:
if (alternativeKeys.active) {
alternativeKeys.close()
keyboardInputArea.setActiveKey(null)
keyboardInputArea.navigateToNextKey(0, 0, false)
} else if (keyboard.navigationModeActive && !keyboardInputArea.initialKey && wordCandidateView.count) {
keyboardInputArea.navigateToNextKey(0, 0, false)
initialKey = keyboardInputArea.initialKey
if (!keyboardInputArea.navigateToNextKey(0, 1, false)) {
keyboardInputArea.initialKey = initialKey
keyboardInputArea.navigateToNextKey(0, 1, true)
} else {
keyboardInputArea.navigateToNextKey(0, -1, false)
}
} else if (!keyboardInputArea.navigateToNextKey(0, 1, !keyboard.navigationModeActive || !keyboardInputArea.initialKey || wordCandidateView.count == 0)) {
if (wordCandidateView.currentIndex === -1)
wordCandidateView.incrementCurrentIndex()
}
break
case Qt.Key_Return:
if (!keyboard.navigationModeActive)
break
if (alternativeKeys.active) {
if (!isAutoRepeat) {
alternativeKeys.clicked()
keyboardInputArea.reset()
keyboardInputArea.navigateToNextKey(0, 0, false)
}
} else if (keyboardInputArea.initialKey) {
if (!isAutoRepeat) {
pressAndHoldTimer.restart()
keyboardInputArea.setActiveKey(keyboardInputArea.initialKey)
keyboardInputArea.press(keyboardInputArea.initialKey, true)
}
} else if (wordCandidateView.count > 0) {
wordCandidateView.model.selectItem(wordCandidateView.currentIndex)
if (!InputContext.preeditText.length)
keyboardInputArea.navigateToNextKey(0, 1, true)
}
break
default:
break
}
}
onNavigationKeyReleased: {
switch (key) {
case Qt.Key_Return:
if (!keyboard.navigationModeActive)
break
if (!alternativeKeys.active && keyboard.activeKey && !isAutoRepeat) {
keyboardInputArea.release(keyboard.activeKey)
pressAndHoldTimer.stop()
alternativeKeys.close()
keyboardInputArea.setActiveKey(null)
if (keyboardInputArea.navigationCursor !== Qt.point(-1, -1))
keyboardInputArea.navigateToNextKey(0, 0, false)
}
break
default:
break
}
}
}
Connections {
target: InputContext.inputEngine
onVirtualKeyClicked: {
if (isAutoRepeat && keyboard.activeKey)
soundEffect.play(keyboard.activeKey.soundEffect)
if (key !== Qt.Key_unknown && keyboardInputArea.dragSymbolMode) {
keyboardInputArea.dragSymbolMode = false
keyboard.symbolMode = false
} else if (key === Qt.Key_Space) {
var surroundingText = InputContext.surroundingText.trim()
if (InputContext.shiftHandler.sentenceEndingCharacters.indexOf(surroundingText.charAt(surroundingText.length-1)) >= 0)
keyboard.symbolMode = false
}
}
}
FolderListModel {
id: layoutsModel
nameFilters: ["$"]
Component.onCompleted: {
if (InputContext.fileExists("qrc:/content/layouts"))
layoutsModel.folder = "qrc:/content/layouts"
else
layoutsModel.folder = "../layouts"
}
}
Connections {
target: layoutsModel
onCountChanged: {
if (layoutsModel.count > 0) {
defaultLocaleIndex = findLocale("en_GB", -1)
if (localeIndex == -1) {
// Find an initial layout which matches the current input locale
localeIndex = findLocale(InputContext.locale, defaultLocaleIndex)
} else {
// Make sure the index matches to current locale
localeIndex = findLocale(keyboard.locale, defaultLocaleIndex)
}
} else {
defaultLocaleIndex = -1
localeIndex = -1
}
updateAvailableLocaleIndices()
}
}
AlternativeKeys { id: alternativeKeys }
Timer {
id: pressAndHoldTimer
interval: 800
onTriggered: {
if (keyboard.activeKey && keyboard.activeKey === keyboardInputArea.initialKey) {
var origin = keyboard.mapFromItem(activeKey, activeKey.width / 2, 0)
if (alternativeKeys.open(keyboard.activeKey, origin.x, origin.y)) {
InputContext.inputEngine.virtualKeyCancel()
keyboardInputArea.initialKey = null
} else if (keyboard.activeKey.key === Qt.Key_Context1) {
InputContext.inputEngine.virtualKeyCancel()
keyboardInputArea.dragSymbolMode = true
keyboard.symbolMode = true
keyboardInputArea.initialKey = null
if (keyboardInputArea.navigationCursor !== Qt.point(-1, -1))
keyboardInputArea.navigateToNextKey(0, 0, false)
}
} else if (keyboardInputArea.dragSymbolMode &&
keyboard.activeKey &&
keyboard.activeKey.functionKey &&
!keyboard.activeKey.repeat) {
InputContext.inputEngine.virtualKeyCancel()
keyboardInputArea.click(keyboard.activeKey)
keyboardInputArea.initialKey = null
if (keyboardInputArea.navigationCursor !== Qt.point(-1, -1))
keyboardInputArea.navigateToNextKey(0, 0, false)
}
}
}
Timer {
id: releaseInaccuracyTimer
interval: 500
onTriggered: {
if (keyboardInputArea.pressed && !alternativeKeys.active && !keyboardInputArea.dragSymbolMode) {
var key = keyboardInputArea.keyOnPoint(activeTouchPoint.x, activeTouchPoint.y)
if (key !== keyboard.activeKey) {
InputContext.inputEngine.virtualKeyCancel()
keyboardInputArea.setActiveKey(key)
keyboardInputArea.press(key, false)
}
}
}
}
CharacterPreviewBubble { active: keyboardInputArea.pressed && !alternativeKeys.active }
Binding {
target: InputContext
property: "keyboardRectangle"
value: Qt.rect(keyboard.x, keyboard.y, keyboard.width, keyboard.height)
when: !InputContext.animating
}
Loader {
id: styleLoader
source: VirtualKeyboardSettings.style
Binding {
target: styleLoader.item
property: "keyboardHeight"
value: keyboardInnerContainer.height
}
}
Loader {
id: naviationHighlight
property var highlightItem: {
if (keyboard.navigationModeActive) {
if (keyboardInputArea.initialKey) {
return keyboardInputArea.initialKey
} else if (alternativeKeys.listView.count > 0) {
return alternativeKeys.listView.highlightItem
} else if (wordCandidateView.count > 0) {
return wordCandidateView.highlightItem
}
}
return keyboard
}
// Note: without "highlightItem.x - highlightItem.x" the binding does not work for alternativeKeys
property var highlightItemOffset: highlightItem ? keyboard.mapFromItem(highlightItem, highlightItem.x - highlightItem.x, highlightItem.y - highlightItem.y) : ({x:0, y:0})
property int moveDuration: 200
property int resizeDuration: 200
z: 2
x: highlightItemOffset.x
y: highlightItemOffset.y
width: highlightItem ? highlightItem.width : 0
height: highlightItem ? highlightItem.height : 0
visible: keyboard.navigationModeActive && highlightItem !== null && highlightItem !== keyboard
sourceComponent: keyboard.style.navigationHighlight
Behavior on x {
NumberAnimation { duration: naviationHighlight.moveDuration; easing.type: Easing.OutCubic }
}
Behavior on y {
NumberAnimation { duration: naviationHighlight.moveDuration; easing.type: Easing.OutCubic }
}
Behavior on width {
NumberAnimation { duration: naviationHighlight.resizeDuration; easing.type: Easing.OutCubic }
}
Behavior on height {
NumberAnimation { duration: naviationHighlight.resizeDuration; easing.type: Easing.OutCubic }
}
}
ListView {
id: wordCandidateView
clip: true
height: Math.round(style.selectionListHeight)
anchors.left: parent.left
anchors.top: parent.top
anchors.right: parent.right
spacing: 0
orientation: ListView.Horizontal
delegate: style.selectionListDelegate
highlight: style.selectionListHighlight ? style.selectionListHighlight : defaultHighlight
highlightMoveDuration: 0
highlightResizeDuration: 0
keyNavigationWraps: true
model: InputContext.inputEngine.wordCandidateListModel
onCurrentItemChanged: if (currentItem) soundEffect.register(currentItem.soundEffect)
Connections {
target: wordCandidateView.model ? wordCandidateView.model : null
onActiveItemChanged: wordCandidateView.currentIndex = index
onItemSelected: soundEffect.play(wordCandidateView.currentItem.soundEffect)
}
Loader {
sourceComponent: style.selectionListBackground
anchors.fill: parent
z: -1
}
Component {
id: defaultHighlight
Item {}
}
}
Item {
id: soundEffect
property var __sounds: ({})
function play(sound) {
if (enabled && sound != Qt.resolvedUrl("")) {
var soundId = Qt.md5(sound)
var multiSoundEffect = __sounds[soundId]
if (!multiSoundEffect)
multiSoundEffect = register(sound)
if (multiSoundEffect)
multiSoundEffect.play()
}
}
function register(sound) {
var multiSoundEffect = null
if (enabled && sound != Qt.resolvedUrl("")) {
var soundId = Qt.md5(sound)
multiSoundEffect = __sounds[soundId]
if (!multiSoundEffect) {
multiSoundEffect = Qt.createQmlObject('import QtQuick 2.0; import QtQuick.Enterprise.VirtualKeyboard 1.1; MultiSoundEffect {}', soundEffect)
if (multiSoundEffect) {
multiSoundEffect.source = sound
__sounds[soundId] = multiSoundEffect
}
}
}
return multiSoundEffect
}
}
Loader {
id: keyboardBackground
z: -1
anchors.left: parent.left
anchors.top: wordCandidateView.bottom
anchors.right: parent.right
height: keyboardInnerContainer.height
sourceComponent: style.keyboardBackground
Item {
id: keyboardInnerContainer
z: 1
width: Math.round(keyboardBackground.width)
height: Math.round(style.keyboardDesignHeight * width / style.keyboardDesignWidth)
anchors.horizontalCenter: parent.horizontalCenter
Loader {
id: keyboardLayoutLoader
anchors.fill: parent
anchors.leftMargin: Math.round(style.keyboardRelativeLeftMargin * parent.width)
anchors.rightMargin: Math.round(style.keyboardRelativeRightMargin * parent.width)
anchors.topMargin: Math.round(style.keyboardRelativeTopMargin * parent.height)
anchors.bottomMargin: Math.round(style.keyboardRelativeBottomMargin * parent.height)
Binding {
target: keyboardLayoutLoader
property: "source"
value: keyboard.layout
when: keyboard.layout.length > 0
}
onItemChanged: if (keyboardLayoutLoader.item) keyboard.updateInputMethod()
MultiPointTouchArea {
id: keyboardInputArea
property var initialKey: null
property bool dragSymbolMode
property real releaseMargin: 18
property point navigationCursor: Qt.point(-1, -1)
anchors.fill: keyboardLayoutLoader
Connections {
target: keyboardLayoutLoader
onStatusChanged: {
if (keyboardLayoutLoader.status == Loader.Ready &&
keyboard.navigationModeActive &&
keyboardInputArea.navigationCursor !== Qt.point(-1, -1))
keyboard.navigationModeActive = keyboardInputArea.navigateToNextKey(0, 0, false)
}
}
Connections {
target: keyboard
onNavigationModeActiveChanged: {
if (!keyboard.navigationModeActive) {
keyboardInputArea.navigationCursor = Qt.point(-1, -1)
keyboardInputArea.reset()
}
}
}
function press(key, isRealPress) {
if (key && key.enabled) {
if (key.key !== Qt.Key_unknown || key.text.length > 0)
InputContext.inputEngine.virtualKeyPress(key.key, keyboard.uppercased ? key.text.toUpperCase() : key.text, keyboard.uppercased ? Qt.ShiftModifier : 0, key.repeat && !dragSymbolMode)
if (isRealPress)
soundEffect.play(key.soundEffect)
}
}
function release(key) {
if (key && key.enabled) {
if (key.key !== Qt.Key_unknown || key.text.length > 0)
InputContext.inputEngine.virtualKeyRelease(key.key, keyboard.uppercased ? key.text.toUpperCase() : key.text, keyboard.uppercased ? Qt.ShiftModifier : 0)
key.clicked()
}
}
function click(key) {
if (key && key.enabled) {
if (key.key !== Qt.Key_unknown || key.text.length > 0)
InputContext.inputEngine.virtualKeyClick(key.key, keyboard.uppercased ? key.text.toUpperCase() : key.text, keyboard.uppercased ? Qt.ShiftModifier : 0)
key.clicked()
}
}
function setActiveKey(activeKey) {
if (keyboard.activeKey === activeKey)
return
if (keyboard.activeKey) {
keyboard.activeKey.active = false
}
keyboard.activeKey = activeKey
if (keyboard.activeKey) {
keyboard.activeKey.active = true
}
}
function keyOnPoint(px, py) {
var parentItem = keyboardLayoutLoader
var child = parentItem.childAt(px, py)
while (child !== null) {
var position = parentItem.mapToItem(child, px, py)
px = position.x; py = position.y
parentItem = child
child = parentItem.childAt(px, py)
if (child && child.key !== undefined)
return child
}
return null
}
function hitInitialKey(x, y, margin) {
if (!initialKey)
return false
var position = initialKey.mapFromItem(keyboardInputArea, x, y)
return (position.x > -margin
&& position.y > -margin
&& position.x < initialKey.width + margin
&& position.y < initialKey.height + margin)
}
function containsPoint(touchPoints, point) {
if (!point)
return false
for (var i in touchPoints)
if (touchPoints[i].pointId == point.pointId)
return true
return false
}
function releaseActiveKey() {
if (alternativeKeys.active) {
alternativeKeys.clicked()
} else if (keyboard.activeKey) {
release(keyboard.activeKey)
}
reset()
}
function reset() {
releaseInaccuracyTimer.stop()
pressAndHoldTimer.stop()
alternativeKeys.close()
setActiveKey(null)
activeTouchPoint = null
if (dragSymbolMode) {
keyboard.symbolMode = false
dragSymbolMode = false
}
}
function nextKeyInNavigation(dX, dY, wrapEnabled) {
var nextKey = null, x, y, itemOffset
if (dX !== 0 || dY !== 0) {
var offsetX, offsetY
for (offsetX = dX, offsetY = dY;
Math.abs(offsetX) < width && Math.abs(offsetY) < height;
offsetX += dX, offsetY += dY) {
x = navigationCursor.x + offsetX
if (x < 0) {
if (!wrapEnabled)
break
x += width
} else if (x >= width) {
if (!wrapEnabled)
break
x -= width
}
y = navigationCursor.y + offsetY
if (y < 0) {
if (!wrapEnabled)
break
y += height
} else if (y >= height) {
if (!wrapEnabled)
break
y -= height
}
nextKey = keyOnPoint(x, y)
if (nextKey) {
// Check if key is visible. Only the visible keys have keyPanelDelegate set.
if (nextKey != initialKey && nextKey.hasOwnProperty("keyPanelDelegate") && nextKey.keyPanelDelegate)
break
// Jump over the item to reduce the number of iterations in this loop
itemOffset = mapToItem(nextKey, x, y)
if (dX > 0)
offsetX += nextKey.width - itemOffset.x
else if (dX < 0)
offsetX -= itemOffset.x
else if (dY > 0)
offsetY += nextKey.height - itemOffset.y
else if (dY < 0)
offsetY -= itemOffset.y
}
nextKey = null
}
} else {
nextKey = keyOnPoint(navigationCursor.x, navigationCursor.y)
}
if (nextKey) {
itemOffset = mapFromItem(nextKey, nextKey.width / 2, nextKey.height / 2)
if (dX) {
x = itemOffset.x
} else if (dY) {
y = itemOffset.y
} else {
x = itemOffset.x
y = itemOffset.y
}
navigationCursor = Qt.point(x, y)
}
return nextKey
}
function navigateToNextKey(dX, dY, wrapEnabled) {
// Resolve initial landing point of the navigation cursor
if (!keyboard.navigationModeActive || keyboard.navigationCursor === Qt.point(-1, -1)) {
if (dX > 0)
navigationCursor = Qt.point(0, height / 2)
else if (dX < 0)
navigationCursor = Qt.point(width, height / 2)
else if (dY > 0)
navigationCursor = Qt.point(width / 2, 0)
else if (dY < 0)
navigationCursor = Qt.point(width / 2, height)
else
navigationCursor = Qt.point(width / 2, height / 2)
keyboard.navigationModeActive = true
}
if (dX && dY) {
initialKey = nextKeyInNavigation(dX, 0, wrapEnabled)
if (initialKey || wrapEnabled)
initialKey = nextKeyInNavigation(0, dY, wrapEnabled)
} else {
initialKey = nextKeyInNavigation(dX, dY, wrapEnabled)
}
return initialKey !== null
}
onPressed: {
keyboard.navigationModeActive = false
// Immediately release any pending key that the user might be
// holding (and about to release) when a second key is pressed.
if (activeTouchPoint)
releaseActiveKey();
for (var i in touchPoints) {
// Release any key pressed by a previous iteration of the loop.
if (containsPoint(touchPoints, activeTouchPoint))
releaseActiveKey();
releaseInaccuracyTimer.start()
pressAndHoldTimer.start()
initialKey = keyOnPoint(touchPoints[i].x, touchPoints[i].y)
activeTouchPoint = touchPoints[i]
setActiveKey(initialKey)
press(initialKey, true)
}
}
onUpdated: {
if (!containsPoint(touchPoints, activeTouchPoint))
return
if (alternativeKeys.active) {
alternativeKeys.move(mapToItem(alternativeKeys, activeTouchPoint.x, 0).x)
} else {
var key = null
if (releaseInaccuracyTimer.running) {
if (hitInitialKey(activeTouchPoint.x, activeTouchPoint.y, releaseMargin)) {
key = initialKey
} else if (initialKey) {
releaseInaccuracyTimer.stop()
initialKey = null
}
}
if (key === null) {
key = keyOnPoint(activeTouchPoint.x, activeTouchPoint.y)
}
if (key !== keyboard.activeKey) {
InputContext.inputEngine.virtualKeyCancel()
setActiveKey(key)
press(key, false)
if (dragSymbolMode)
pressAndHoldTimer.restart()
}
}
}
onReleased: {
if (containsPoint(touchPoints, activeTouchPoint))
releaseActiveKey();
}
onCanceled: {
if (containsPoint(touchPoints, activeTouchPoint))
reset()
}
}
}
}
}
function updateInputMethod() {
if (!keyboardLayoutLoader.item)
return
var inputMethod = null
var inputMode = InputContext.inputEngine.inputMode
// Use input method from keyboard layout
if (keyboardLayoutLoader.item.inputMethod)
inputMethod = keyboardLayoutLoader.item.inputMethod
else
inputMethod = keyboard.defaultInputMethod
if (latinOnly)
inputMode = InputEngine.Latin
else if (keyboardLayoutLoader.item.inputMode !== -1)
inputMode = keyboardLayoutLoader.item.inputMode
var inputMethodChanged = InputContext.inputEngine.inputMethod !== inputMethod
if (inputMethodChanged) {
InputContext.inputEngine.inputMethod = inputMethod
}
if (InputContext.inputEngine.inputMethod) {
var inputModes = InputContext.inputEngine.inputModes
if (inputModes.length > 0) {
// Reset to default input mode if the input locale has changed
if (inputModeNeedsReset || inputModes.indexOf(inputMode) === -1) {
inputMode = inputModes[0]
}
if (InputContext.inputEngine.inputMode !== inputMode || inputMethodChanged || inputModeNeedsReset) {
InputContext.inputEngine.inputMode = inputMode
}
inputModeNeedsReset = false
}
}
}
function updateLayout() {
var newLayout
newLayout = findLayout(locale, layoutType)
if (!newLayout.length) {
newLayout = findLayout(locale, "main")
}
inputLocale = layoutExists(locale, layoutType) ? locale : defaultLocale
layout = newLayout
}
function updateAvailableLocaleIndices() {
var newIndices = []
// Keep the current locale in the list of available locales
if (localeIndex !== -1) {
newIndices.push(localeIndex)
}
for (var i = 0; i < layoutsModel.count; i++) {
if (isValidLocale(i)) {
if (newIndices.indexOf(i) === -1) {
// Add other locales, which resolve into actual layout file, excluding the default layout
if (layoutExists(layoutsModel.get(i, "fileName"), layoutType) && i !== defaultLocaleIndex) {
newIndices.push(i)
}
}
}
}
// Add default layout if any of the available locales do not resolve into it
var addDefault = true
var defaultLayout = getLayoutFile(keyboard.defaultLocale, layoutType)
for (i = 0; i < newIndices.length; i++) {
if (newIndices[i] === defaultLocaleIndex || findLayout(layoutsModel.get(newIndices[i], "fileName"), layoutType) === defaultLayout) {
addDefault = false
break
}
}
if (addDefault) {
newIndices.push(defaultLocaleIndex)
}
newIndices.sort()
availableLocaleIndices = newIndices
}
function nextLocaleIndex(customLayoutsOnly) {
var newLocaleIndex = localeIndex
var i = availableLocaleIndices.indexOf(localeIndex)
if (i !== -1) {
i = (i + 1) % availableLocaleIndices.length
newLocaleIndex = availableLocaleIndices[i]
}
return newLocaleIndex
}
function changeInputLanguage(customLayoutsOnly) {
var newLocaleIndex = nextLocaleIndex(customLayoutsOnly)
if (newLocaleIndex !== -1 && newLocaleIndex !== localeIndex)
localeIndex = newLocaleIndex
}
function canChangeInputLanguage(customLayoutsOnly) {
return availableLocaleIndices.length > 1
}
function findLocale(localeName, defaultValue) {
var languageCode = localeName.substring(0, 3) // Including the '_' delimiter
var languageMatch = -1
for (var i = 0; i < layoutsModel.count; i++) {
if (!layoutsModel.isFolder(i))
continue
var layoutFolder = layoutsModel.get(i, "fileName")
if (layoutFolder === localeName)
return i
if (languageMatch == -1 && layoutFolder.substring(0, 3) === languageCode)
languageMatch = i
}
return (languageMatch != -1) ? languageMatch : defaultValue
}
function isValidLocale(index) {
if (index < 0 || index >= layoutsModel.count)
return false
return Qt.locale(layoutsModel.get(index, "fileName")).name !== "C"
}
function getLayoutFile(localeName, layoutType) {
if (localeName === "" || layoutType === "")
return ""
return layoutsModel.folder + "/" + localeName + "/" + layoutType + ".qml"
}
function layoutExists(localeName, layoutType) {
return InputContext.fileExists(getLayoutFile(localeName, layoutType))
}
function findLayout(localeName, layoutType) {
var layoutFile = getLayoutFile(localeName, layoutType)
if (InputContext.fileExists(layoutFile))
return layoutFile
layoutFile = getLayoutFile(keyboard.defaultLocale, layoutType)
if (InputContext.fileExists(layoutFile))
return layoutFile
return ""
}
}
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