Qt 5.8 | Qt Quick Dialogs | Qt Quick System Dialog Examples | MessageDialogs.qml Example File

Qt 5.8.0 Reference Documentation

# MessageDialogs.qml Example File

systemdialogs/MessageDialogs.qml

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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()
                  }
              }
          }
      }