gallery.qml Example File | Qt Quick Controls 5.12.8

- Qt 5.12
- Qt Quick Controls
- Qt Quick Controls - Gallery
- gallery.qml Example File
- Qt 5.12.8 Reference Documentation

# gallery.qml Example File

gallery/gallery.qml

     /****************************************************************************
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     ** Copyright (C) 2017 The Qt Company Ltd.
     ** Contact: https://www.qt.io/licensing/
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
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     import QtQuick 2.12
     import QtQuick.Layouts 1.12
     import QtQuick.Controls 2.12
     import QtQuick.Controls.Material 2.12
     import QtQuick.Controls.Universal 2.12
     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: navigateBackAction.trigger()
         }

         Action {
             id: navigateBackAction
             icon.name: stackView.depth > 1 ? "back" : "drawer"
             onTriggered: {
                 if (stackView.depth > 1) {
                     stackView.pop()
                     listView.currentIndex = -1
                 } else {
                     drawer.open()
                 }
             }
         }

         Shortcut {
             sequence: "Menu"
             onActivated: optionsMenuAction.trigger()
         }

         Action {
             id: optionsMenuAction
             icon.name: "menu"
             onTriggered: optionsMenu.open()
         }

         header: ToolBar {
             Material.foreground: "white"

             RowLayout {
                 spacing: 20
                 anchors.fill: parent

                 ToolButton {
                     action: navigateBackAction
                 }

                 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 {
                     action: optionsMenuAction

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

                         Action {
                             text: "Settings"
                             onTriggered: settingsDialog.open()
                         }
                         Action {
                             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
                 }
             }
         }
     }