Qt 5.9 | Qt Quick Controls 2 | Qt Quick Controls 2 - Gallery | gallery.qml Example File

Qt 5.9.2 Reference Documentation

# gallery.qml Example File

gallery/gallery.qml

      /****************************************************************************
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      ** This file is part of the examples of the Qt Toolkit.
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      import QtQuick 2.9
      import QtQuick.Layouts 1.3
      import QtQuick.Controls 2.2
      import QtQuick.Controls.Material 2.1
      import QtQuick.Controls.Universal 2.1
      import Qt.labs.settings 1.0

      ApplicationWindow {
          id: window
          width: 360
          height: 520
          visible: true
          title: "Qt Quick Controls 2"

          Settings {
              id: settings
              property string style: "Default"
          }

          Shortcut {
              sequences: ["Esc", "Back"]
              enabled: stackView.depth > 1
              onActivated: {
                  stackView.pop()
                  listView.currentIndex = -1
              }
          }

          Shortcut {
              sequence: "Menu"
              onActivated: optionsMenu.open()
          }

          header: ToolBar {
              Material.foreground: "white"

              RowLayout {
                  spacing: 20
                  anchors.fill: parent

                  ToolButton {
                      contentItem: Image {
                          fillMode: Image.Pad
                          horizontalAlignment: Image.AlignHCenter
                          verticalAlignment: Image.AlignVCenter
                          source: stackView.depth > 1 ? "images/back.png" : "images/drawer.png"
                      }
                      onClicked: {
                          if (stackView.depth > 1) {
                              stackView.pop()
                              listView.currentIndex = -1
                          } else {
                              drawer.open()
                          }
                      }
                  }

                  Label {
                      id: titleLabel
                      text: listView.currentItem ? listView.currentItem.text : "Gallery"
                      font.pixelSize: 20
                      elide: Label.ElideRight
                      horizontalAlignment: Qt.AlignHCenter
                      verticalAlignment: Qt.AlignVCenter
                      Layout.fillWidth: true
                  }

                  ToolButton {
                      contentItem: Image {
                          fillMode: Image.Pad
                          horizontalAlignment: Image.AlignHCenter
                          verticalAlignment: Image.AlignVCenter
                          source: "images/menu.png"
                      }
                      onClicked: optionsMenu.open()

                      Menu {
                          id: optionsMenu
                          x: parent.width - width
                          transformOrigin: Menu.TopRight

                          MenuItem {
                              text: "Settings"
                              onTriggered: settingsDialog.open()
                          }
                          MenuItem {
                              text: "About"
                              onTriggered: aboutDialog.open()
                          }
                      }
                  }
              }
          }

          Drawer {
              id: drawer
              width: Math.min(window.width, window.height) / 3 * 2
              height: window.height
              interactive: stackView.depth === 1

              ListView {
                  id: listView

                  focus: true
                  currentIndex: -1
                  anchors.fill: parent

                  delegate: ItemDelegate {
                      width: parent.width
                      text: model.title
                      highlighted: ListView.isCurrentItem
                      onClicked: {
                          listView.currentIndex = index
                          stackView.push(model.source)
                          drawer.close()
                      }
                  }

                  model: ListModel {
                      ListElement { title: "BusyIndicator"; source: "qrc:/pages/BusyIndicatorPage.qml" }
                      ListElement { title: "Button"; source: "qrc:/pages/ButtonPage.qml" }
                      ListElement { title: "CheckBox"; source: "qrc:/pages/CheckBoxPage.qml" }
                      ListElement { title: "ComboBox"; source: "qrc:/pages/ComboBoxPage.qml" }
                      ListElement { title: "DelayButton"; source: "qrc:/pages/DelayButtonPage.qml" }
                      ListElement { title: "Dial"; source: "qrc:/pages/DialPage.qml" }
                      ListElement { title: "Dialog"; source: "qrc:/pages/DialogPage.qml" }
                      ListElement { title: "Delegates"; source: "qrc:/pages/DelegatePage.qml" }
                      ListElement { title: "Frame"; source: "qrc:/pages/FramePage.qml" }
                      ListElement { title: "GroupBox"; source: "qrc:/pages/GroupBoxPage.qml" }
                      ListElement { title: "PageIndicator"; source: "qrc:/pages/PageIndicatorPage.qml" }
                      ListElement { title: "ProgressBar"; source: "qrc:/pages/ProgressBarPage.qml" }
                      ListElement { title: "RadioButton"; source: "qrc:/pages/RadioButtonPage.qml" }
                      ListElement { title: "RangeSlider"; source: "qrc:/pages/RangeSliderPage.qml" }
                      ListElement { title: "ScrollBar"; source: "qrc:/pages/ScrollBarPage.qml" }
                      ListElement { title: "ScrollIndicator"; source: "qrc:/pages/ScrollIndicatorPage.qml" }
                      ListElement { title: "Slider"; source: "qrc:/pages/SliderPage.qml" }
                      ListElement { title: "SpinBox"; source: "qrc:/pages/SpinBoxPage.qml" }
                      ListElement { title: "StackView"; source: "qrc:/pages/StackViewPage.qml" }
                      ListElement { title: "SwipeView"; source: "qrc:/pages/SwipeViewPage.qml" }
                      ListElement { title: "Switch"; source: "qrc:/pages/SwitchPage.qml" }
                      ListElement { title: "TabBar"; source: "qrc:/pages/TabBarPage.qml" }
                      ListElement { title: "TextArea"; source: "qrc:/pages/TextAreaPage.qml" }
                      ListElement { title: "TextField"; source: "qrc:/pages/TextFieldPage.qml" }
                      ListElement { title: "ToolTip"; source: "qrc:/pages/ToolTipPage.qml" }
                      ListElement { title: "Tumbler"; source: "qrc:/pages/TumblerPage.qml" }
                  }

                  ScrollIndicator.vertical: ScrollIndicator { }
              }
          }

          StackView {
              id: stackView
              anchors.fill: parent

              initialItem: Pane {
                  id: pane

                  Image {
                      id: logo
                      width: pane.availableWidth / 2
                      height: pane.availableHeight / 2
                      anchors.centerIn: parent
                      anchors.verticalCenterOffset: -50
                      fillMode: Image.PreserveAspectFit
                      source: "images/qt-logo.png"
                  }

                  Label {
                      text: "Qt Quick Controls 2 provides a set of controls that can be used to build complete interfaces in Qt Quick."
                      anchors.margins: 20
                      anchors.top: logo.bottom
                      anchors.left: parent.left
                      anchors.right: parent.right
                      anchors.bottom: arrow.top
                      horizontalAlignment: Label.AlignHCenter
                      verticalAlignment: Label.AlignVCenter
                      wrapMode: Label.Wrap
                  }

                  Image {
                      id: arrow
                      source: "images/arrow.png"
                      anchors.left: parent.left
                      anchors.bottom: parent.bottom
                  }
              }
          }

          Dialog {
              id: settingsDialog
              x: Math.round((window.width - width) / 2)
              y: Math.round(window.height / 6)
              width: Math.round(Math.min(window.width, window.height) / 3 * 2)
              modal: true
              focus: true
              title: "Settings"

              standardButtons: Dialog.Ok | Dialog.Cancel
              onAccepted: {
                  settings.style = styleBox.displayText
                  settingsDialog.close()
              }
              onRejected: {
                  styleBox.currentIndex = styleBox.styleIndex
                  settingsDialog.close()
              }

              contentItem: ColumnLayout {
                  id: settingsColumn
                  spacing: 20

                  RowLayout {
                      spacing: 10

                      Label {
                          text: "Style:"
                      }

                      ComboBox {
                          id: styleBox
                          property int styleIndex: -1
                          model: availableStyles
                          Component.onCompleted: {
                              styleIndex = find(settings.style, Qt.MatchFixedString)
                              if (styleIndex !== -1)
                                  currentIndex = styleIndex
                          }
                          Layout.fillWidth: true
                      }
                  }

                  Label {
                      text: "Restart required"
                      color: "#e41e25"
                      opacity: styleBox.currentIndex !== styleBox.styleIndex ? 1.0 : 0.0
                      horizontalAlignment: Label.AlignHCenter
                      verticalAlignment: Label.AlignVCenter
                      Layout.fillWidth: true
                      Layout.fillHeight: true
                  }
              }
          }

          Dialog {
              id: aboutDialog
              modal: true
              focus: true
              title: "About"
              x: (window.width - width) / 2
              y: window.height / 6
              width: Math.min(window.width, window.height) / 3 * 2
              contentHeight: aboutColumn.height

              Column {
                  id: aboutColumn
                  spacing: 20

                  Label {
                      width: aboutDialog.availableWidth
                      text: "The Qt Quick Controls 2 module delivers the next generation user interface controls based on Qt Quick."
                      wrapMode: Label.Wrap
                      font.pixelSize: 12
                  }

                  Label {
                      width: aboutDialog.availableWidth
                      text: "In comparison to the desktop-oriented Qt Quick Controls 1, Qt Quick Controls 2 "
                          + "are an order of magnitude simpler, lighter and faster, and are primarily targeted "
                          + "towards embedded and mobile platforms."
                      wrapMode: Label.Wrap
                      font.pixelSize: 12
                  }
              }
          }
      }