Qt 5.7 | Qt Quick Controls 2 | Qt Quick Controls 2 - Chat Tutorial | ConversationPage.qml Example File

Qt 5.7.1 Reference Documentation

# ConversationPage.qml Example File

chattutorial/chapter5-styling/ConversationPage.qml

      /****************************************************************************
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      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
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      import QtQuick 2.6
      import QtQuick.Layouts 1.3
      import QtQuick.Controls 2.0

      import io.qt.examples.chattutorial 1.0

      Page {
          id: root

          property string inConversationWith

          header: ChatToolBar {
              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 {
                  id: listView
                  Layout.fillWidth: true
                  Layout.fillHeight: true
                  Layout.margins: pane.leftPadding + messageField.leftPadding
                  displayMarginBeginning: 40
                  displayMarginEnd: 40
                  verticalLayoutDirection: ListView.BottomToTop
                  spacing: 12
                  model: SqlConversationModel {
                      recipient: inConversationWith
                  }
                  delegate: Column {
                      anchors.right: sentByMe ? parent.right : undefined
                      spacing: 6

                      readonly property bool sentByMe: model.recipient !== "Me"

                      Row {
                          id: messageRow
                          spacing: 6
                          anchors.right: sentByMe ? parent.right : undefined

                          Image {
                              id: avatar
                              source: !sentByMe ? "qrc:/" + model.author + ".png" : ""
                          }

                          Rectangle {
                              width: Math.min(messageText.implicitWidth + 24, listView.width - avatar.width - messageRow.spacing)
                              height: messageText.implicitHeight + 24
                              color: sentByMe ? "lightgrey" : "steelblue"

                              Label {
                                  id: messageText
                                  text: model.message
                                  color: sentByMe ? "black" : "white"
                                  anchors.fill: parent
                                  anchors.margins: 12
                                  wrapMode: Label.Wrap
                              }
                          }
                      }

                      Label {
                          id: timestampText
                          text: Qt.formatDateTime(model.timestamp, "d MMM hh:mm")
                          color: "lightgrey"
                          anchors.right: sentByMe ? parent.right : undefined
                      }
                  }

                  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
                          onClicked: {
                              listView.model.sendMessage(inConversationWith, messageField.text);
                              messageField.text = "";
                          }
                      }
                  }
              }
          }
      }