Qt 5.9 | Qt Quick Dialogs | Qt Quick System Dialog Examples | CustomDialogs.qml Example File

Qt 5.9.9 Reference Documentation

# CustomDialogs.qml Example File

systemdialogs/CustomDialogs.qml

      /****************************************************************************
      **
      ** Copyright (C) 2016 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
      ** a written agreement between you and The Qt Company. For licensing terms
      ** and conditions see https://www.qt.io/terms-conditions. For further
      ** information use the contact form at https://www.qt.io/contact-us.
      **
      ** BSD License Usage
      ** Alternatively, you may use this file under the terms of the BSD license
      ** as follows:
      **
      ** "Redistribution and use in source and binary forms, with or without
      ** modification, are permitted provided that the following conditions are
      ** met:
      **   * Redistributions of source code must retain the above copyright
      **     notice, this list of conditions and the following disclaimer.
      **   * Redistributions in binary form must reproduce the above copyright
      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
      **   * Neither the name of The Qt Company Ltd nor the names of its
      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
      **
      **
      ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      import QtQuick 2.3
      import QtQuick.Controls 1.2
      import QtQuick.Dialogs 1.2
      import QtQuick.Layouts 1.1
      import QtQuick.Window 2.0

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

          Dialog {
              id: helloDialog
              modality: dialogModal.checked ? Qt.WindowModal : Qt.NonModal
              title: customizeTitle.checked ? windowTitleField.text : "Hello"
              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"

              Label {
                  text: "Hello world!"
              }
          }

          Dialog {
              id: spinboxDialog
              modality: dialogModal.checked ? Qt.WindowModal : Qt.NonModal
              title: customizeTitle.checked ? windowTitleField.text : "Spinbox"
              onHelp: {
                  lastChosen.text = "No help available, sorry.  Please answer the question."
                  visible = true
              }
              onButtonClicked: {
                  if (clickedButton === StandardButton.Ok && answer.value == 11.0)
                      lastChosen.text = "You are correct!"
                  else
                      lastChosen.text = "Having failed to give the correct answer, you shall not pass!"
              }

              ColumnLayout {
                  id: column
                  width: parent ? parent.width : 100
                  Label {
                      text: "<b>What</b> is the average airspeed velocity of an unladen European swallow?"
                      Layout.columnSpan: 2
                      Layout.fillWidth: true
                      wrapMode: Text.WordWrap
                  }
                  RowLayout {
                      Layout.alignment: Qt.AlignHCenter
                      SpinBox {
                          id: answer
                          onEditingFinished: spinboxDialog.click(StandardButton.Ok)
                      }
                      Label {
                          text: "m/s"
                          Layout.alignment: Qt.AlignBaseline | Qt.AlignLeft
                      }
                  }
              }
          }

          Dialog {
              id: dateDialog
              modality: dialogModal.checked ? Qt.WindowModal : Qt.NonModal
              title: customizeTitle.checked ? windowTitleField.text : "Choose a date"
              onButtonClicked: console.log("clicked button " + clickedButton)
              onAccepted: {
                  if (clickedButton == StandardButton.Ok)
                      lastChosen.text = "Accepted " + calendar.selectedDate.toLocaleDateString()
                  else
                      lastChosen.text = (clickedButton == StandardButton.Retry ? "(Retry)" : "(Ignore)")
              }
              onRejected: lastChosen.text = "Rejected"

              Calendar {
                  id: calendar
                  width: parent ? parent.width : implicitWidth
                  onDoubleClicked: dateDialog.click(StandardButton.Ok)
              }
          }

          Dialog {
              id: filledDialog
              modality: dialogModal.checked ? Qt.WindowModal : Qt.NonModal
              title: customizeTitle.checked ? windowTitleField.text : "Customized content"
              onRejected: lastChosen.text = "Rejected"
              onAccepted: lastChosen.text = "Accepted " +
                          (clickedButton === StandardButton.Retry ? "(Retry)" : "(OK)")
              onButtonClicked: if (clickedButton === StandardButton.Retry) lastChosen.text = "Retry"
              contentItem: Rectangle {
                  color: "lightskyblue"
                  implicitWidth: 400
                  implicitHeight: 100
                  Label {
                      text: "Hello blue sky!"
                      color: "navy"
                      anchors.centerIn: parent
                  }
                  Keys.onPressed: if (event.key === Qt.Key_R && (event.modifiers & Qt.ControlModifier)) filledDialog.click(StandardButton.Retry)
                  Keys.onEnterPressed: filledDialog.accept()
                  Keys.onEscapePressed: filledDialog.reject()
                  Keys.onBackPressed: filledDialog.reject() // especially necessary on Android
              }
          }

          ColumnLayout {
              anchors.fill: parent
              anchors.margins: 12
              spacing: 8
              Label {
                  font.bold: true
                  text: "Message dialog properties:"
              }
              CheckBox {
                  id: dialogModal
                  text: "Modal"
                  Binding on checked { value: helloDialog.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: "Custom Dialog"
                  }
              }
              Label {
                  text: "Buttons:"
              }
              Flow {
                  spacing: 8
                  Layout.fillWidth: true
                  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
                      helloDialog.standardButtons = buttons
                      spinboxDialog.standardButtons = buttons
                      dateDialog.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: "Apply"
                      property int button: StandardButton.Apply
                      onCheckedChanged: parent.updateButtons(button, checked)
                  }

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

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

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

                  Component.onCompleted: updateButtons()
              }
              Label {
                  id: lastChosen
              }
              Item { Layout.fillHeight: true }
          }

          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: "Hello World"
                      anchors.verticalCenter: parent.verticalCenter
                      onClicked: helloDialog.open()
                  }
                  Button {
                      text: "Input"
                      anchors.verticalCenter: parent.verticalCenter
                      onClicked: spinboxDialog.open()
                  }
                  Button {
                      text: "Date"
                      anchors.verticalCenter: parent.verticalCenter
                      onClicked: dateDialog.open()
                  }
                  Button {
                      text: "No buttons or margins"
                      anchors.verticalCenter: parent.verticalCenter
                      onClicked: filledDialog.open()
                  }
              }
          }
      }