texteditor.qml Example File

texteditor/qml/+touch/texteditor.qml 
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 import QtQuick 2.12
 import QtQuick.Controls 2.12
 import QtQuick.Controls.Material 2.12
 import QtQuick.Layouts 1.12
 import QtQuick.Window 2.0

 import io.qt.examples.texteditor 1.0

 // TODO:
 // - make designer-friendly

 ApplicationWindow {
     id: window
     visible: true
     title: document.fileName + " - Text Editor Example"

     header: ToolBar {
         leftPadding: 5

         RowLayout {
             anchors.fill: parent
             spacing: 0

             ToolButton {
                 id: doneEditingButton
                 font.family: "fontello"
                 text: "\uE80A" // icon-ok
                 opacity: !textArea.readOnly ? 1 : 0
                 onClicked: textArea.readOnly = true

                 Material.foreground: Material.accent
             }

             Label {
                 text: qsTr("Text Editor Example")
                 font.bold: true
                 font.pixelSize: 20
                 elide: Label.ElideRight
                 Layout.fillWidth: true
             }

             ToolButton {
                 font.family: "fontello"
                 text: "\uF142" // icon-ellipsis-vert
                 onClicked: menu.open()

                 Menu {
                     id: menu

                     MenuItem {
                         text: qsTr("About")
                         onTriggered: aboutDialog.open()
                     }
                 }
             }
         }
     }

     DocumentHandler {
         id: document
         document: textArea.textDocument
         cursorPosition: textArea.cursorPosition
         selectionStart: textArea.selectionStart
         selectionEnd: textArea.selectionEnd
         // textColor: TODO
         Component.onCompleted: document.load("qrc:/texteditor.html")
         onLoaded: {
             textArea.text = text
         }
         onError: {
             errorDialog.text = message
             errorDialog.visible = true
         }
     }

     Flickable {
         id: flickable
         flickableDirection: Flickable.VerticalFlick
         anchors.fill: parent

         TextArea.flickable: TextArea {
             id: textArea
             textFormat: Qt.RichText
             wrapMode: TextArea.Wrap
             readOnly: true
             persistentSelection: true
             // Different styles have different padding and background
             // decorations, but since this editor is almost taking up the
             // entire window, we don't need them.
             leftPadding: 6
             rightPadding: 6
             topPadding: 0
             bottomPadding: 0
             background: null

             onLinkActivated: Qt.openUrlExternally(link)
         }

         ScrollBar.vertical: ScrollBar {}
     }

     footer: ToolBar {
         visible: !textArea.readOnly && textArea.activeFocus

         Material.primary: "#E0E0E0"
         Material.elevation: 0

         Flickable {
             anchors.fill: parent
             contentWidth: toolRow.implicitWidth
             flickableDirection: Qt.Horizontal
             boundsBehavior: Flickable.StopAtBounds

             Row {
                 id: toolRow

                 ToolButton {
                     id: boldButton
                     text: "\uE800" // icon-bold
                     font.family: "fontello"
                     // Don't want to close the virtual keyboard when this is clicked.
                     focusPolicy: Qt.NoFocus
                     checkable: true
                     checked: document.bold
                     onClicked: document.bold = !document.bold
                 }
                 ToolButton {
                     id: italicButton
                     text: "\uE801" // icon-italic
                     font.family: "fontello"
                     focusPolicy: Qt.NoFocus
                     checkable: true
                     checked: document.italic
                     onClicked: document.italic = !document.italic
                 }
                 ToolButton {
                     id: underlineButton
                     text: "\uF0CD" // icon-underline
                     font.family: "fontello"
                     focusPolicy: Qt.NoFocus
                     checkable: true
                     checked: document.underline
                     onClicked: document.underline = !document.underline
                 }

                 ToolSeparator {}

                 ToolButton {
                     id: alignLeftButton
                     text: "\uE803" // icon-align-left
                     font.family: "fontello"
                     focusPolicy: Qt.NoFocus
                     checkable: true
                     checked: document.alignment == Qt.AlignLeft
                     onClicked: document.alignment = Qt.AlignLeft
                 }
                 ToolButton {
                     id: alignCenterButton
                     text: "\uE804" // icon-align-center
                     font.family: "fontello"
                     focusPolicy: Qt.NoFocus
                     checkable: true
                     checked: document.alignment == Qt.AlignHCenter
                     onClicked: document.alignment = Qt.AlignHCenter
                 }
                 ToolButton {
                     id: alignRightButton
                     text: "\uE805" // icon-align-right
                     font.family: "fontello"
                     focusPolicy: Qt.NoFocus
                     checkable: true
                     checked: document.alignment == Qt.AlignRight
                     onClicked: document.alignment = Qt.AlignRight
                 }
                 ToolButton {
                     id: alignJustifyButton
                     text: "\uE806" // icon-align-justify
                     font.family: "fontello"
                     focusPolicy: Qt.NoFocus
                     checkable: true
                     checked: document.alignment == Qt.AlignJustify
                     onClicked: document.alignment = Qt.AlignJustify
                 }
             }
         }
     }

     RoundButton {
         id: editButton
         font.family: "fontello"
         text: "\uE809" // icon-pencil
         width: 48
         height: width
         // Don't want to use anchors for the y position, because it will anchor
         // to the footer, leaving a large vertical gap.
         y: parent.height - height - 12
         anchors.right: parent.right
         anchors.margins: 12
         visible: textArea.readOnly
         highlighted: true

         onClicked: {
             textArea.readOnly = false
             // Force focus on the text area so the cursor and footer show up.
             textArea.forceActiveFocus()
         }
     }

     Dialog {
         id: aboutDialog
         standardButtons: Dialog.Ok
         modal: true
         x: parent.width / 2 - width / 2
         y: parent.height / 2 - height / 2

         contentItem: Label {
             text: qsTr("Qt Quick Controls 2 - Text Editor Example")
         }
     }
 }

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