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MessageDialogs.qml Example File

systemdialogs/MessageDialogs.qml 
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** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of the examples of the Qt Toolkit.
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import QtQuick 2.2
import QtQuick.Controls 1.2
import QtQuick.Dialogs 1.1
import QtQuick.Layouts 1.1
import QtQuick.Window 2.0

Item {
    id: root
    width: 580
    height: 400
    SystemPalette { id: palette }
    clip: true

    MessageDialog {
        id: messageDialog
        visible: messageDialogVisible.checked
        modality: messageDialogModal.checked ? Qt.WindowModal : Qt.NonModal
        title: windowTitleField.text
        text: customizeText.checked ? textField.text : ""
        informativeText: customizeInformativeText.checked ? informativeTextField.text : ""
        detailedText: customizeDetailedText.checked ? detailedTextField.text : ""
        onButtonClicked: console.log("clicked button " + clickedButton)
        onAccepted: lastChosen.text = "Accepted " +
            (clickedButton == StandardButton.Ok ? "(OK)" : (clickedButton == StandardButton.Retry ? "(Retry)" : "(Ignore)"))
        onRejected: lastChosen.text = "Rejected " +
            (clickedButton == StandardButton.Close ? "(Close)" : (clickedButton == StandardButton.Abort ? "(Abort)" : "(Cancel)"))
        onHelp: lastChosen.text = "Yelped for help!"
        onYes: lastChosen.text = (clickedButton == StandardButton.Yes ? "Yeessss!!" : "Yes, now and always")
        onNo: lastChosen.text = (clickedButton == StandardButton.No ? "Oh No." : "No, no, a thousand times no!")
        onApply: lastChosen.text = "Apply"
        onReset: lastChosen.text = "Reset"
    }

    ScrollView {
        id: scrollView
        anchors {
            left: parent.left
            right: parent.right
            top: parent.top
            bottom: bottomBar.top
            leftMargin: 12
        }
        ColumnLayout {
            spacing: 8
            Item { Layout.preferredHeight: 4 } // padding
            Label {
                font.bold: true
                text: "Message dialog properties:"
            }
            CheckBox {
                id: messageDialogModal
                text: "Modal"
                checked: true
                Binding on checked { value: messageDialog.modality != Qt.NonModal }
            }
            RowLayout {
                CheckBox {
                    id: customizeTitle
                    text: "Window Title"
                    Layout.alignment: Qt.AlignBaseline
                    checked: true
                }
                TextField {
                    id: windowTitleField
                    Layout.alignment: Qt.AlignBaseline
                    Layout.fillWidth: true
                    text: "Alert"
                }
            }
            Label { text: "Icon:" }
            Flow {
                spacing: 8
                Layout.fillWidth: true
                property bool updating: false
                function updateIcon(icon, checked) {
                    if (updating) return
                    updating = true
                    messageDialog.icon = (checked ? icon : StandardIcon.NoIcon)
                    for (var i = 0; i < children.length; ++i)
                        if (children[i].icon !== icon)
                            children[i].checked = false
                    updating = false
                }

                CheckBox {
                    id: iconInformation
                    text: "Information"
                    property int icon: StandardIcon.Information
                    onCheckedChanged: parent.updateIcon(icon, checked)
                }

                CheckBox {
                    id: iconWarning
                    text: "Warning"
                    checked: true
                    property int icon: StandardIcon.Warning
                    onCheckedChanged: parent.updateIcon(icon, checked)
                    Component.onCompleted: parent.updateIcon(icon, true)
                }

                CheckBox {
                    id: iconCritical
                    text: "Critical"
                    property int icon: StandardIcon.Critical
                    onCheckedChanged: parent.updateIcon(icon, checked)
                }

                CheckBox {
                    id: iconQuestion
                    text: "Question"
                    property int icon: StandardIcon.Question
                    onCheckedChanged: parent.updateIcon(icon, checked)
                }
            }

            RowLayout {
                CheckBox {
                    id: customizeText
                    text: "Primary Text"
                    Layout.alignment: Qt.AlignBaseline
                    checked: true
                }
                TextField {
                    id: textField
                    Layout.alignment: Qt.AlignBaseline
                    Layout.fillWidth: true
                    text: "Attention Please"
                }
            }
            RowLayout {
                CheckBox {
                    id: customizeInformativeText
                    text: "Informative Text"
                    Layout.alignment: Qt.AlignBaseline
                    checked: true
                }
                TextField {
                    id: informativeTextField
                    Layout.alignment: Qt.AlignBaseline
                    Layout.fillWidth: true
                    text: "Be alert!"
                }
            }
            Label { text: "Buttons:" }
            Flow {
                spacing: 8
                Layout.fillWidth: true
                Layout.preferredWidth: root.width - 30
                property bool updating: false
                function updateButtons(button, checked) {
                    if (updating) return
                    updating = true
                    var buttons = 0
                    for (var i = 0; i < children.length; ++i)
                        if (children[i].checked)
                            buttons |= children[i].button
                    if (!buttons)
                        buttons = StandardButton.Ok
                    messageDialog.standardButtons = buttons
                    updating = false
                }

                CheckBox {
                    text: "Help"
                    property int button: StandardButton.Help
                    onCheckedChanged: parent.updateButtons(button, checked)
                }

                CheckBox {
                    text: "Abort"
                    property int button: StandardButton.Abort
                    onCheckedChanged: parent.updateButtons(button, checked)
                }

                CheckBox {
                    text: "Close"
                    property int button: StandardButton.Close
                    onCheckedChanged: parent.updateButtons(button, checked)
                }

                CheckBox {
                    text: "Cancel"
                    property int button: StandardButton.Cancel
                    onCheckedChanged: parent.updateButtons(button, checked)
                }

                CheckBox {
                    text: "NoToAll"
                    property int button: StandardButton.NoToAll
                    onCheckedChanged: parent.updateButtons(button, checked)
                }

                CheckBox {
                    text: "No"
                    property int button: StandardButton.No
                    onCheckedChanged: parent.updateButtons(button, checked)
                }

                CheckBox {
                    text: "YesToAll"
                    property int button: StandardButton.YesToAll
                    onCheckedChanged: parent.updateButtons(button, checked)
                }

                CheckBox {
                    text: "Yes"
                    property int button: StandardButton.Yes
                    onCheckedChanged: parent.updateButtons(button, checked)
                }

                CheckBox {
                    text: "Ignore"
                    property int button: StandardButton.Ignore
                    onCheckedChanged: parent.updateButtons(button, checked)
                }

                CheckBox {
                    text: "Retry"
                    property int button: StandardButton.Retry
                    onCheckedChanged: parent.updateButtons(button, checked)
                }

                CheckBox {
                    text: "OK"
                    checked: true
                    property int button: StandardButton.Ok
                    onCheckedChanged: parent.updateButtons(button, checked)
                }
            }
            RowLayout {
                CheckBox {
                    id: customizeDetailedText
                    text: "Detailed Text"
                    Layout.alignment: Qt.AlignBaseline
                    checked: true
                }
                TextField {
                    id: detailedTextField
                    Layout.alignment: Qt.AlignBaseline
                    Layout.fillWidth: true
                    text: "The world needs more lerts."
                }
            }
            CheckBox {
                id: messageDialogVisible
                text: "Visible"
                Binding on checked { value: messageDialog.visible }
            }
            Label {
                id: lastChosen
            }
        }
    }

    Rectangle {
        id: bottomBar
        anchors {
            left: parent.left
            right: parent.right
            bottom: parent.bottom
        }
        height: buttonRow.height * 1.2
        color: Qt.darker(palette.window, 1.1)
        border.color: Qt.darker(palette.window, 1.3)
        Row {
            id: buttonRow
            spacing: 6
            anchors.verticalCenter: parent.verticalCenter
            anchors.left: parent.left
            anchors.leftMargin: 12
            width: parent.width
            Button {
                text: "Open"
                anchors.verticalCenter: parent.verticalCenter
                onClicked: messageDialog.open()
            }
            Button {
                text: "Close"
                anchors.verticalCenter: parent.verticalCenter
                onClicked: messageDialog.close()
            }
        }
    }
}
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