ConversationPage.qml Example File

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 import QtQuick 2.12
 import QtQuick.Layouts 1.12
 import QtQuick.Controls 2.12

 Page {
     id: root

     property string inConversationWith

     header: ToolBar {
         ToolButton {
             text: qsTr("Back")
             anchors.left: parent.left
             anchors.leftMargin: 10
             anchors.verticalCenter: parent.verticalCenter
             onClicked: root.StackView.view.pop()
         }

         Label {
             id: pageTitle
             text: inConversationWith
             font.pixelSize: 20
             anchors.centerIn: parent
         }
     }

     ColumnLayout {
         anchors.fill: parent

         ListView {
             Layout.fillWidth: true
             Layout.fillHeight: true
             Layout.margins: pane.leftPadding + messageField.leftPadding
             displayMarginBeginning: 40
             displayMarginEnd: 40
             verticalLayoutDirection: ListView.BottomToTop
             spacing: 12
             model: 10
             delegate: Row {
                 readonly property bool sentByMe: index % 2 == 0

                 anchors.right: sentByMe ? parent.right : undefined
                 spacing: 6

                 Rectangle {
                     id: avatar
                     width: height
                     height: parent.height
                     color: "grey"
                     visible: !sentByMe
                 }

                 Rectangle {
                     width: 80
                     height: 40
                     color: sentByMe ? "lightgrey" : "steelblue"

                     Label {
                         anchors.centerIn: parent
                         text: index
                         color: sentByMe ? "black" : "white"
                     }
                 }
             }

             ScrollBar.vertical: ScrollBar {}
         }

         Pane {
             id: pane
             Layout.fillWidth: true

             RowLayout {
                 width: parent.width

                 TextArea {
                     id: messageField
                     Layout.fillWidth: true
                     placeholderText: qsTr("Compose message")
                     wrapMode: TextArea.Wrap
                 }

                 Button {
                     id: sendButton
                     text: qsTr("Send")
                     enabled: messageField.length > 0
                 }
             }
         }
     }
 }