/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Virtual Keyboard module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/

import QtQuick 2.0
import QtQuick.Enterprise.VirtualKeyboard 2.0
import QtQuick.Enterprise.VirtualKeyboard.Styles 2.0

KeyboardStyle {
    id: currentStyle
    readonly property bool compactSelectionList: [InputEngine.Pinyin, InputEngine.Cangjie, InputEngine.Zhuyin].indexOf(InputContext.inputEngine.inputMode) !== -1
    readonly property string fontFamily: "Courier"
    readonly property real keyBackgroundMargin: Math.round(9 * scaleHint)
    readonly property real keyContentMargin: Math.round(30 * scaleHint)
    readonly property real keyIconScale: scaleHint * 0.6
    readonly property string resourcePath: "QtQuick/Enterprise/VirtualKeyboard/content/styles/retro/"
    readonly property string resourcePrefix: "qrc:/" + resourcePath

    readonly property string inputLocale: InputContext.locale
    property color inputLocaleIndicatorColor: "#110b05"
    property Timer inputLocaleIndicatorHighlightTimer: Timer {
        interval: 1000
        onTriggered: inputLocaleIndicatorColor = "#413828"
    }
    onInputLocaleChanged: {
        inputLocaleIndicatorColor = "#110b05"
        inputLocaleIndicatorHighlightTimer.restart()
    }

    keyboardDesignWidth: 2560
    keyboardDesignHeight: 800
    keyboardRelativeLeftMargin: 114 / keyboardDesignWidth
    keyboardRelativeRightMargin: 114 / keyboardDesignWidth
    keyboardRelativeTopMargin: 9 / keyboardDesignHeight
    keyboardRelativeBottomMargin: 88 / keyboardDesignHeight

    keyboardBackground: Rectangle {
        gradient: Gradient {
            GradientStop { position: 0.0; color: "#272727" }
            GradientStop { position: 1.0; color: "black" }
        }
    }

    keyPanel: KeyPanel {
        Image {
            id: keyBackground
            source: resourcePrefix + "images/key154px_colorA.png"
            fillMode: Image.PreserveAspectFit
            anchors.fill: parent
            anchors.margins: keyBackgroundMargin
            states: [
                State {
                    name: "key154px_colorB"
                    when: ['q', 'r', 'y', 'p', 's', 'd', 'j', 'l', 'v', 'b', '\'',
                        '1', '4', '6', '0', '#', '%', '+', ')', '>',
                        '~', '·', '÷', '}', '€', '£', '§', ']', '«', '»'].indexOf(control.displayText.toLowerCase()) >= 0
                    PropertyChanges {
                        target: keyBackground
                        source: resourcePrefix + "images/key154px_colorB.png"
                    }
                },
                State {
                    name: "key154px_black"
                    when: control.displayText.length > 2
                    PropertyChanges {
                        target: keyBackground
                        source: resourcePrefix + "images/key154px_black.png"
                    }
                }
            ]
        }
        Text {
            id: keyText
            text: control.displayText
            color: "#110b05"
            anchors.fill: parent
            anchors.margins: keyContentMargin
            fontSizeMode: Text.Fit
            horizontalAlignment: Text.AlignHCenter
            verticalAlignment: Text.AlignVCenter
            font {
                family: fontFamily
                weight: Font.Bold
                pixelSize: 82 * scaleHint
                capitalization: control.uppercased ? Font.AllUppercase : Font.MixedCase
            }
            states: [
                State {
                    name: "fontB"
                    when: control.displayText.length > 2
                    PropertyChanges {
                        target: keyText
                        color: "#c5a96f"
                        font.pixelSize: 74 * scaleHint
                        font.letterSpacing: -5 * scaleHint
                    }
                }
            ]
        }
        states: [
            State {
                name: "pressed"
                when: control.pressed
                PropertyChanges {
                    target: keyBackground
                    opacity: 0.70
                }
                PropertyChanges {
                    target: keyText
                    opacity: 0.75
                }
            },
            State {
                name: "disabled"
                when: !control.enabled
                PropertyChanges {
                    target: keyBackground
                    opacity: 0.30
                }
                PropertyChanges {
                    target: keyText
                    opacity: 0.50
                }
            }
        ]
    }

    backspaceKeyPanel: KeyPanel {
        BorderImage {
            id: backspaceKeyBackground
            source: resourcePrefix + "images/key154px_black.png"
            width: (parent.width - 2 * keyBackgroundMargin) / scale
            height: sourceSize.height
            anchors.centerIn: parent
            border.left: 76
            border.top: 76
            border.right: 76
            border.bottom: 76
            horizontalTileMode: BorderImage.Stretch
            scale: (parent.height - 2 * keyBackgroundMargin) / sourceSize.height
        }
        Image {
            id: backspaceKeyIcon
            anchors.centerIn: parent
            sourceSize.width: 159 * keyIconScale
            sourceSize.height: 88 * keyIconScale
            smooth: false
            source: resourcePrefix + "images/backspace-c5a96f.svg"
        }
        states: [
            State {
                name: "pressed"
                when: control.pressed
                PropertyChanges {
                    target: backspaceKeyBackground
                    opacity: 0.70
                }
                PropertyChanges {
                    target: backspaceKeyIcon
                    opacity: 0.70
                }
            },
            State {
                name: "disabled"
                when: !control.enabled
                PropertyChanges {
                    target: backspaceKeyBackground
                    opacity: 0.20
                }
                PropertyChanges {
                    target: backspaceKeyIcon
                    opacity: 0.20
                }
            }
        ]
    }

    languageKeyPanel: KeyPanel {
        Image {
            id: languageKeyBackground
            source: resourcePrefix + "images/key154px_colorB.png"
            fillMode: Image.PreserveAspectFit
            anchors.fill: parent
            anchors.margins: keyBackgroundMargin
        }
        Image {
            id: languageKeyIcon
            anchors.centerIn: parent
            sourceSize.width: 144 * keyIconScale
            sourceSize.height: 144 * keyIconScale
            smooth: false
            source: resourcePrefix + "images/globe-110b05.svg"
        }
        states: [
            State {
                name: "pressed"
                when: control.pressed
                PropertyChanges {
                    target: languageKeyBackground
                    opacity: 0.70
                }
                PropertyChanges {
                    target: languageKeyIcon
                    opacity: 0.30
                }
            },
            State {
                name: "disabled"
                when: !control.enabled
                PropertyChanges {
                    target: languageKeyBackground
                    opacity: 0.75
                }
                PropertyChanges {
                    target: languageKeyIcon
                    opacity: 0.50
                }
            }
        ]
    }

    enterKeyPanel: KeyPanel {
        BorderImage {
            id: enterKeyBackground
            source: resourcePrefix + "images/key154px_black.png"
            width: (parent.width - 2 * keyBackgroundMargin) / scale
            height: sourceSize.height
            anchors.centerIn: parent
            border.left: 76
            border.top: 76
            border.right: 76
            border.bottom: 76
            horizontalTileMode: BorderImage.Stretch
            scale: (parent.height - 2 * keyBackgroundMargin) / sourceSize.height
        }
        Image {
            id: enterKeyIcon
            visible: enterKeyText.text.length === 0
            anchors.centerIn: parent
            readonly property size enterKeyIconSize: {
                switch (control.actionId) {
                case EnterKeyAction.Go:
                case EnterKeyAction.Send:
                case EnterKeyAction.Next:
                case EnterKeyAction.Done:
                    return Qt.size(170, 119)
                case EnterKeyAction.Search:
                    return Qt.size(148, 148)
                default:
                    return Qt.size(211, 80)
                }
            }
            sourceSize.width: enterKeyIconSize.width * keyIconScale
            sourceSize.height: enterKeyIconSize.height * keyIconScale
            smooth: false
            source: {
                switch (control.actionId) {
                case EnterKeyAction.Go:
                case EnterKeyAction.Send:
                case EnterKeyAction.Next:
                case EnterKeyAction.Done:
                    return resourcePrefix + "images/check-c5a96f.svg"
                case EnterKeyAction.Search:
                    return resourcePrefix + "images/search-c5a96f.svg"
                default:
                    return resourcePrefix + "images/enter-c5a96f.svg"
                }
            }
        }
        Text {
            id: enterKeyText
            visible: text.length !== 0
            text: control.actionId !== EnterKeyAction.None ? "" : control.displayText
            clip: true
            fontSizeMode: Text.HorizontalFit
            horizontalAlignment: Text.AlignHCenter
            verticalAlignment: Text.AlignVCenter
            anchors.fill: parent
            anchors.leftMargin: keyContentMargin
            anchors.topMargin: Math.round(50 * scaleHint)
            anchors.rightMargin: keyContentMargin
            anchors.bottomMargin: Math.round(30 * scaleHint)
            color: "#c5a96f"
            font {
                family: fontFamily
                weight: Font.Bold
                pixelSize: 74 * scaleHint
                capitalization: Font.AllUppercase
            }
        }
        states: [
            State {
                name: "pressed"
                when: control.pressed
                PropertyChanges {
                    target: enterKeyBackground
                    opacity: 0.70
                }
                PropertyChanges {
                    target: enterKeyIcon
                    opacity: 0.70
                }
                PropertyChanges {
                    target: enterKeyText
                    opacity: 0.70
                }
            },
            State {
                name: "disabled"
                when: !control.enabled
                PropertyChanges {
                    target: enterKeyBackground
                    opacity: 0.20
                }
                PropertyChanges {
                    target: enterKeyIcon
                    opacity: 0.20
                }
                PropertyChanges {
                    target: enterKeyText
                    opacity: 0.20
                }
            }
        ]
    }

    hideKeyPanel: KeyPanel {
        BorderImage {
            id: hideKeyBackground
            source: resourcePrefix + "images/key154px_black.png"
            width: (parent.width - 2 * keyBackgroundMargin) / scale
            height: sourceSize.height
            anchors.centerIn: parent
            border.left: 76
            border.top: 76
            border.right: 76
            border.bottom: 76
            horizontalTileMode: BorderImage.Stretch
            scale: (parent.height - 2 * keyBackgroundMargin) / sourceSize.height
        }
        Image {
            id: hideKeyIcon
            anchors.centerIn: parent
            sourceSize.width: 144 * keyIconScale
            sourceSize.height: 127 * keyIconScale
            smooth: false
            source: resourcePrefix + "images/hidekeyboard-c5a96f.svg"
        }
        states: [
            State {
                name: "pressed"
                when: control.pressed
                PropertyChanges {
                    target: hideKeyBackground
                    opacity: 0.70
                }
                PropertyChanges {
                    target: hideKeyIcon
                    opacity: 0.70
                }
            },
            State {
                name: "disabled"
                when: !control.enabled
                PropertyChanges {
                    target: hideKeyBackground
                    opacity: 0.20
                }
                PropertyChanges {
                    target: hideKeyIcon
                    opacity: 0.20
                }
            }
        ]
    }

    shiftKeyPanel: KeyPanel {
        BorderImage {
            id: shiftKeyBackground
            source: resourcePrefix + "images/key154px_black.png"
            width: (parent.width - 2 * keyBackgroundMargin) / scale
            height: sourceSize.height
            anchors.centerIn: parent
            border.left: 76
            border.top: 76
            border.right: 76
            border.bottom: 76
            horizontalTileMode: BorderImage.Stretch
            scale: (parent.height - 2 * keyBackgroundMargin) / sourceSize.height
            states: [
                State {
                    name: "capslock"
                    when: InputContext.capsLock
                    PropertyChanges {
                        target: shiftKeyBackground
                        source: resourcePrefix + "images/key154px_capslock.png"
                    }
                    PropertyChanges {
                        target: shiftKeyIcon
                        source: resourcePrefix + "images/shift-cd8865.svg"
                    }
                },
                State {
                    name: "shift"
                    when: InputContext.shift
                    PropertyChanges {
                        target: shiftKeyBackground
                        source: resourcePrefix + "images/key154px_shiftcase.png"
                    }
                    PropertyChanges {
                        target: shiftKeyIcon
                        source: resourcePrefix + "images/shift-dc4f28.svg"
                    }
                }
            ]
        }
        Image {
            id: shiftKeyIcon
            anchors.centerIn: parent
            sourceSize.width: 144 * keyIconScale
            sourceSize.height: 134 * keyIconScale
            smooth: false
            source: resourcePrefix + "images/shift-c5a96f.svg"
        }
        states: [
            State {
                name: "pressed"
                when: control.pressed
                PropertyChanges {
                    target: shiftKeyBackground
                    opacity: 0.70
                }
                PropertyChanges {
                    target: shiftKeyIcon
                    opacity: 0.70
                }
            },
            State {
                name: "disabled"
                when: !control.enabled
                PropertyChanges {
                    target: shiftKeyBackground
                    opacity: 0.20
                }
                PropertyChanges {
                    target: shiftKeyIcon
                    opacity: 0.20
                }
            }
        ]
    }

    spaceKeyPanel: KeyPanel {
        BorderImage {
            id: spaceKeyBackground
            source: resourcePrefix + "images/key154px_colorA.png"
            width: (parent.width - 2 * keyBackgroundMargin) / scale
            height: sourceSize.height
            anchors.centerIn: parent
            border.left: 76
            border.top: 76
            border.right: 76
            border.bottom: 76
            horizontalTileMode: BorderImage.Stretch
            scale: (parent.height - 2 * keyBackgroundMargin) / sourceSize.height
        }
        Text {
            id: spaceKeyText
            text: Qt.locale(InputContext.locale).nativeLanguageName
            color: currentStyle.inputLocaleIndicatorColor
            Behavior on color { PropertyAnimation { duration: 250 } }
            anchors.centerIn: parent
            font {
                family: fontFamily
                weight: Font.Bold
                pixelSize: 72 * scaleHint
            }
        }
        states: [
            State {
                name: "pressed"
                when: control.pressed
                PropertyChanges {
                    target: spaceKeyBackground
                    opacity: 0.70
                }
            },
            State {
                name: "disabled"
                when: !control.enabled
                PropertyChanges {
                    target: spaceKeyBackground
                    opacity: 0.30
                }
            }
        ]
    }

    symbolKeyPanel: KeyPanel {
        BorderImage {
            id: symbolKeyBackground
            source: resourcePrefix + "images/key154px_black.png"
            width: (parent.width - 2 * keyBackgroundMargin) / scale
            height: sourceSize.height
            anchors.centerIn: parent
            border.left: 76
            border.top: 76
            border.right: 76
            border.bottom: 76
            horizontalTileMode: BorderImage.Stretch
            scale: (parent.height - 2 * keyBackgroundMargin) / sourceSize.height
        }
        Text {
            id: symbolKeyText
            text: control.displayText
            color: "#c5a96f"
            anchors.centerIn: parent
            font {
                family: fontFamily
                weight: Font.DemiBold
                pixelSize: 74 * scaleHint
                letterSpacing: -5 * scaleHint
                capitalization: Font.AllUppercase
            }
        }
        states: [
            State {
                name: "pressed"
                when: control.pressed
                PropertyChanges {
                    target: symbolKeyBackground
                    opacity: 0.70
                }
                PropertyChanges {
                    target: symbolKeyText
                    opacity: 0.70
                }
            },
            State {
                name: "disabled"
                when: !control.enabled
                PropertyChanges {
                    target: symbolKeyBackground
                    opacity: 0.20
                }
                PropertyChanges {
                    target: symbolKeyText
                    opacity: 0.20
                }
            }
        ]
    }

    modeKeyPanel: KeyPanel {
        BorderImage {
            id: modeKeyBackground
            source: resourcePrefix + "images/key154px_black.png"
            width: (parent.width - 2 * keyBackgroundMargin) / scale
            height: sourceSize.height
            anchors.centerIn: parent
            border.left: 76
            border.top: 76
            border.right: 76
            border.bottom: 76
            horizontalTileMode: BorderImage.Stretch
            scale: (parent.height - 2 * keyBackgroundMargin) / sourceSize.height
            states: [
                State {
                    name: "mode"
                    when: control.mode
                    PropertyChanges {
                        target: modeKeyBackground
                        source: resourcePrefix + "images/key154px_capslock.png"
                    }
                }
            ]
        }
        Text {
            id: modeKeyText
            text: control.displayText
            color: "#c5a96f"
            anchors.fill: parent
            anchors.margins: keyContentMargin
            fontSizeMode: Text.Fit
            horizontalAlignment: Text.AlignHCenter
            verticalAlignment: Text.AlignVCenter
            font {
                family: fontFamily
                weight: Font.DemiBold
                pixelSize: 74 * scaleHint
                letterSpacing: -5 * scaleHint
                capitalization: Font.AllUppercase
            }
        }
        states: [
            State {
                name: "pressed"
                when: control.pressed
                PropertyChanges {
                    target: modeKeyBackground
                    opacity: 0.70
                }
            },
            State {
                name: "disabled"
                when: !control.enabled
                PropertyChanges {
                    target: modeKeyBackground
                    opacity: 0.20
                }
            }
        ]
    }

    handwritingKeyPanel: KeyPanel {
        BorderImage {
            id: hwrKeyBackground
            source: resourcePrefix + "images/key154px_colorB.png"
            width: (parent.width - 2 * hwrKeyBackground) / scale
            height: sourceSize.height
            anchors.centerIn: parent
            border.left: 76
            border.top: 76
            border.right: 76
            border.bottom: 76
            horizontalTileMode: BorderImage.Stretch
            scale: (parent.height - 2 * keyBackgroundMargin) / sourceSize.height
        }
        Image {
            id: hwrKeyIcon
            anchors.centerIn: parent
            readonly property size hwrKeyIconSize: keyboard.handwritingMode ? Qt.size(124, 96) : Qt.size(156, 104)
            sourceSize.width: hwrKeyIconSize.width * keyIconScale
            sourceSize.height: hwrKeyIconSize.height * keyIconScale
            smooth: false
            source: resourcePrefix + (keyboard.handwritingMode ? "images/textmode-110b05.svg" : "images/handwriting-110b05.svg")
        }
        states: [
            State {
                name: "pressed"
                when: control.pressed
                PropertyChanges {
                    target: hwrKeyBackground
                    opacity: 0.70
                }
                PropertyChanges {
                    target: hwrKeyIcon
                    opacity: 0.70
                }
            },
            State {
                name: "disabled"
                when: !control.enabled
                PropertyChanges {
                    target: hwrKeyBackground
                    opacity: 0.20
                }
                PropertyChanges {
                    target: hwrKeyIcon
                    opacity: 0.20
                }
            }
        ]
    }

    characterPreviewMargin: Math.round(20 * scaleHint)
    characterPreviewDelegate: Item {
        property string text
        id: characterPreview
        Image {
            id: characterPreviewBackground
            source: resourcePrefix + "images/key_preview.png"
            fillMode: Image.PreserveAspectFit
            anchors.fill: parent
        }
        Text {
            id: characterPreviewText
            color: "#c5a96f"
            text: characterPreview.text
            anchors.centerIn: characterPreviewBackground
            font {
                family: fontFamily
                weight: Font.Bold
                pixelSize: 85 * scaleHint
            }
            states: [
                State {
                    name: "fit"
                    when: text.length > 1
                    PropertyChanges {
                        target: characterPreviewText
                        font.letterSpacing: -5 * scaleHint
                    }
                }
            ]
        }
    }

    alternateKeysListItemWidth: Math.round(111 * scaleHint)
    alternateKeysListItemHeight: Math.round(154 * scaleHint)
    alternateKeysListBottomMargin: Math.round(15 * scaleHint)
    alternateKeysListLeftMargin: Math.round(79 * scaleHint)
    alternateKeysListRightMargin: Math.round(79 * scaleHint)
    alternateKeysListDelegate: Item {
        id: alternateKeysListItem
        width: alternateKeysListItemWidth
        height: alternateKeysListItemHeight
        Text {
            id: listItemText
            text: model.text
            color: "#868482"
            font {
                family: fontFamily
                weight: Font.DemiBold
                pixelSize: 52 * scaleHint
                letterSpacing: -6 * scaleHint
            }
            anchors.centerIn: parent
        }
        states: State {
            name: "current"
            when: alternateKeysListItem.ListView.isCurrentItem
            PropertyChanges {
                target: listItemText
                color: "white"
            }
        }
    }
    alternateKeysListHighlight: Item {
        Rectangle {
            anchors.fill: parent
            anchors.topMargin: Math.round(8 * scaleHint)
            anchors.bottomMargin: Math.round(8 * scaleHint)
            gradient: Gradient {
                GradientStop { position: 0.0; color: "#64462a" }
                GradientStop { position: 0.18; color: "#a37648" }
                GradientStop { position: 0.5; color: "#c4a47c" }
                GradientStop { position: 0.82; color: "#a37648" }
                GradientStop { position: 1.0; color: "#64462a" }
            }
        }
    }
    alternateKeysListBackground: Item {
        property real currentItemOffset
        property bool currentItemHighlight: false
        BorderImage {
            cache: false
            source: resourcePrefix + "images/key160px_black.png"
            width: sourceSize.width + parent.width / scale
            height: sourceSize.height
            anchors.centerIn: parent
            border.left: 79
            border.top: 79
            border.right: 79
            border.bottom: 79
            horizontalTileMode: BorderImage.Stretch
            scale: parent.height / sourceSize.height
        }
        Image {
            visible: currentItemOffset !== undefined
            source: currentItemHighlight ? resourcePrefix + "images/triangle_highlight.png" : resourcePrefix + "images/triangle_black.png"
            fillMode: Image.PreserveAspectFit
            width: sourceSize.width * scaleHint
            height: sourceSize.height * scaleHint
            anchors.top: parent.bottom
            anchors.topMargin: Math.round(-8 * scaleHint)
            anchors.left: parent.left
            anchors.leftMargin: Math.round(currentItemOffset - width / 2)
        }
    }

    selectionListHeight: 85 * scaleHint
    selectionListDelegate: SelectionListItem {
        id: selectionListItem
        width: Math.round(selectionListLabel.width + selectionListLabel.anchors.leftMargin * 2)
        Text {
            id: selectionListLabel
            anchors.left: parent.left
            anchors.leftMargin: Math.round((compactSelectionList ? 50 : 140) * scaleHint)
            anchors.verticalCenter: parent.verticalCenter
            text: decorateText(display, wordCompletionLength)
            color: "white"
            font {
                family: fontFamily
                weight: Font.Bold
                pixelSize: 44 * scaleHint
            }
            function decorateText(text, wordCompletionLength) {
                if (wordCompletionLength > 0) {
                    return text.slice(0, -wordCompletionLength) + '<u>' + text.slice(-wordCompletionLength) + '</u>'
                }
                return text
            }
        }
        Rectangle {
            id: selectionListSeparator
            width: 4 * scaleHint
            height: 36 * scaleHint
            color: "#35322f"
            anchors.verticalCenter: parent.verticalCenter
            anchors.right: parent.left
        }
        states: State {
            name: "current"
            when: selectionListItem.ListView.isCurrentItem
            PropertyChanges {
                target: selectionListLabel
                color: "#c5a96f"
            }
        }
    }
    selectionListBackground: Rectangle {
        color: "#222222"
    }
    selectionListAdd: Transition {
        NumberAnimation { property: "y"; from: wordCandidateView.height; duration: 200 }
        NumberAnimation { property: "opacity"; from: 0; to: 1; duration: 200 }
    }
    selectionListRemove: Transition {
        NumberAnimation { property: "y"; to: -wordCandidateView.height; duration: 200 }
        NumberAnimation { property: "opacity"; to: 0; duration: 200 }
    }

    navigationHighlight: Rectangle {
        color: "transparent"
        border.color: "yellow"
        border.width: 5
    }

    traceInputKeyPanelDelegate: TraceInputKeyPanel {
        traceMargins: keyBackgroundMargin
        BorderImage {
            id: traceInputKeyPanelBackground
            readonly property int traceInputKeyPanelSvgImageHeight: Math.round(height / 12)
            readonly property real traceInputKeyPanelSvgImageScale: traceInputKeyPanelSvgImageHeight / 154
            source: "image://qtvkbsvg/%1/images/key154px_colorA.svg?height=%2".arg(resourcePath).arg(traceInputKeyPanelSvgImageHeight)
            anchors.fill: parent
            anchors.margins: keyBackgroundMargin
            border.left: 76 * traceInputKeyPanelSvgImageScale
            border.top: 76 * traceInputKeyPanelSvgImageScale
            border.right: 78 * traceInputKeyPanelSvgImageScale
            border.bottom: 78 * traceInputKeyPanelSvgImageScale
            horizontalTileMode: BorderImage.Stretch
            verticalTileMode: BorderImage.Stretch
        }
        Text {
            id: hwrInputModeIndicator
            visible: control.patternRecognitionMode === InputEngine.HandwritingRecoginition
            text: InputContext.inputEngine.inputMode === InputEngine.Latin ? "Abc" : "123"
            color: "black"
            anchors.left: parent.left
            anchors.top: parent.top
            anchors.margins: keyContentMargin * 1.5
            font {
                family: fontFamily
                weight: Font.Bold
                pixelSize: 72 * scaleHint
                capitalization: {
                    if (InputContext.capsLock)
                        return Font.AllUppercase
                    if (InputContext.shift)
                        return Font.MixedCase
                    return Font.AllLowercase
                }
            }
        }
        Canvas {
            id: traceInputKeyGuideLines
            anchors.fill: traceInputKeyPanelBackground
            opacity: 0.1
            onPaint: {
                var ctx = getContext("2d")
                ctx.lineWidth = 1
                ctx.strokeStyle = Qt.rgba(0xFF, 0xFF, 0xFF)
                ctx.clearRect(0, 0, width, height)
                var i
                if (control.horizontalRulers) {
                    for (i = 0; i < control.horizontalRulers.length; i++) {
                        ctx.beginPath()
                        ctx.moveTo(0, control.horizontalRulers[i])
                        ctx.lineTo(width, control.horizontalRulers[i])
                        ctx.stroke()
                    }
                }
                if (control.verticalRulers) {
                    for (i = 0; i < control.verticalRulers.length; i++) {
                        ctx.beginPath()
                        ctx.moveTo(control.verticalRulers[i], 0)
                        ctx.lineTo(control.verticalRulers[i], height)
                        ctx.stroke()
                    }
                }
            }
        }
    }

    traceCanvasDelegate: TraceCanvas {
        id: traceCanvas
        onAvailableChanged: {
            if (!available)
                return
            var ctx = getContext("2d")
            ctx.lineWidth = parent.canvasType === "fullscreen" ? 10 : 10 * scaleHint
            ctx.lineCap = "round"
            ctx.strokeStyle = Qt.rgba(0, 0, 0)
            ctx.fillStyle = ctx.strokeStyle
        }
        autoDestroyDelay: 800
        onTraceChanged: if (trace === null) opacity = 0
        Behavior on opacity { PropertyAnimation { easing.type: Easing.OutCubic; duration: 150 } }
    }

    popupListDelegate: SelectionListItem {
        property real cursorAnchor: popupListLabel.x + popupListLabel.width
        id: popupListItem
        width: popupListLabel.width + popupListLabel.anchors.leftMargin * 2
        height: popupListLabel.height + popupListLabel.anchors.topMargin * 2
        Text {
            id: popupListLabel
            anchors.left: parent.left
            anchors.top: parent.top
            anchors.leftMargin: popupListLabel.height / 2
            anchors.topMargin: popupListLabel.height / 3
            text: decorateText(display, wordCompletionLength)
            color: "#5CAA15"
            font {
                family: "Sans"
                weight: Font.Normal
                pixelSize: Qt.inputMethod.cursorRectangle.height * 0.8
            }
            function decorateText(text, wordCompletionLength) {
                if (wordCompletionLength > 0) {
                    return text.slice(0, -wordCompletionLength) + '<u>' + text.slice(-wordCompletionLength) + '</u>'
                }
                return text
            }
        }
        states: State {
            name: "current"
            when: popupListItem.ListView.isCurrentItem
            PropertyChanges {
                target: popupListLabel
                color: "black"
            }
        }
    }

    popupListBackground: Item {
        Rectangle {
            width: parent.width
            height: parent.height
            color: "white"
            border {
                width: 1
                color: "#929495"
            }
        }
    }

    popupListAdd: Transition {
        NumberAnimation { property: "opacity"; from: 0; to: 1.0; duration: 200 }
    }

    popupListRemove: Transition {
        NumberAnimation { property: "opacity"; to: 0; duration: 200 }
    }
}
