gallery.qml Example File

gallery/gallery.qml
/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 2.12
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: {
            stackView.pop()
            listView.currentIndex = -1
        }
    }

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

    header: ToolBar {
        Material.foreground: "white"

        RowLayout {
            spacing: 20
            anchors.fill: parent

            ToolButton {
                icon.name: stackView.depth > 1 ? "back" : "drawer"
                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 {
                icon.name: "menu"
                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
            }
        }
    }
}

© 2018 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.