- Qt 5.5
- Qt Quick Controls
- Qt Quick Controls - Styles Example
- main.qml Example File
- Qt 5.5.1 Reference Documentation

# main.qml Example File

styles/main.qml

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
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    **     contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
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    import QtQuick 2.2
    import QtQuick.Window 2.2
    import QtQuick.Layouts 1.1
    import QtQuick.Controls 1.2
    import QtQuick.Controls.Styles 1.2
    import QtQuick.Particles 2.0

    Window {
        id: window
        width: 640
        height: 480
        visible: true
        title: qsTr("Styles Example")

        property int columnFactor: 5

        GridLayout {
            rowSpacing: 12
            columnSpacing: 30
            anchors.top: parent.top
            anchors.horizontalCenter: parent.horizontalCenter
            anchors.margins: 30

            Button {
                text: "Button"
                implicitWidth: window.width / columnFactor
            }
            Button {
                text: "Button"
                style: ButtonStyle {
                    background: BorderImage {
                        source: control.pressed ? "images/button-pressed.png" : "images/button.png"
                        border.left: 4 ; border.right: 4 ; border.top: 4 ; border.bottom: 4
                    }
                }
                implicitWidth: window.width / columnFactor
            }
            Button {
                text: "Button"
                style: buttonStyle
                implicitWidth: window.width / columnFactor
            }

            TextField {
                Layout.row: 1
                implicitWidth: window.width / columnFactor
            }
            TextField {
                style: TextFieldStyle {
                    background: BorderImage {
                        source: "images/textfield.png"
                        border.left: 4 ; border.right: 4 ; border.top: 4 ; border.bottom: 4
                    }
                }
                implicitWidth: window.width / columnFactor
            }
            TextField {
                style: textFieldStyle
                implicitWidth: window.width / columnFactor
            }

            Slider {
                id: slider1
                Layout.row: 2
                value: 0.5
                implicitWidth: window.width / columnFactor
            }
            Slider {
                id: slider2
                value: 0.5
                implicitWidth: window.width / columnFactor
                style: SliderStyle {
                    groove: BorderImage {
                        height: 6
                        border.top: 1
                        border.bottom: 1
                        source: "images/progress-background.png"
                        border.left: 6
                        border.right: 6
                        BorderImage {
                            anchors.verticalCenter: parent.verticalCenter
                            source: "images/progress-fill.png"
                            border.left: 5 ; border.top: 1
                            border.right: 5 ; border.bottom: 1
                            width: styleData.handlePosition
                            height: parent.height
                        }
                    }
                    handle: Item {
                        width: 13
                        height: 13
                        Image {
                            anchors.centerIn: parent
                            source: "images/slider-handle.png"
                        }
                    }
                }
            }
            Slider {
                id: slider3
                value: 0.5
                implicitWidth: window.width / columnFactor
                style: sliderStyle
            }

            ProgressBar {
                Layout.row: 3
                value: slider1.value
                implicitWidth: window.width / columnFactor
            }
            ProgressBar {
                value: slider2.value
                implicitWidth: window.width / columnFactor
                style: progressBarStyle
            }
            ProgressBar {
                value: slider3.value
                implicitWidth: window.width / columnFactor
                style: progressBarStyle2
            }

            CheckBox {
                text: "CheckBox"
                Layout.row: 4
                implicitWidth: window.width / columnFactor
            }

            RadioButton {
                text: "RadioButton"
                implicitWidth: window.width / columnFactor
            }

            ComboBox {
                model: ["Paris", "Oslo", "New York"]
                implicitWidth: window.width / columnFactor
            }

            TabView {
                Layout.row: 5
                Layout.columnSpan: 3
                Layout.fillWidth: true
                implicitHeight: 30
                Tab { title: "One" ; Item {} }
                Tab { title: "Two" ; Item {} }
                Tab { title: "Three" ; Item {} }
                Tab { title: "Four" ; Item {} }
            }

            TabView {
                Layout.row: 6
                Layout.columnSpan: 3
                Layout.fillWidth: true
                implicitHeight: 30
                Tab { title: "One" ; Item {}}
                Tab { title: "Two" ; Item {}}
                Tab { title: "Three" ; Item {}}
                Tab { title: "Four" ; Item {}}
                style: tabViewStyle
            }
        }

        // Style delegates:

        Component {
            id: buttonStyle
            ButtonStyle {

                background: Rectangle {
                    implicitHeight: 22
                    implicitWidth: window.width / columnFactor
                    color: control.pressed ? "darkGray" : control.activeFocus ? "#cdd" : "#ccc"
                    antialiasing: true
                    border.color: "gray"
                    radius: height/2
                    Rectangle {
                        anchors.fill: parent
                        anchors.margins: 1
                        color: "transparent"
                        antialiasing: true
                        visible: !control.pressed
                        border.color: "#aaffffff"
                        radius: height/2
                    }
                }
            }
        }

        Component {
            id: textFieldStyle
            TextFieldStyle {
                background: Rectangle {
                    implicitWidth: window.width / columnFactor
                    color: "#f0f0f0"
                    antialiasing: true
                    border.color: "gray"
                    radius: height/2
                    Rectangle {
                        anchors.fill: parent
                        anchors.margins: 1
                        color: "transparent"
                        antialiasing: true
                        border.color: "#aaffffff"
                        radius: height/2
                    }
                }
            }
        }

        Component {
            id: sliderStyle
            SliderStyle {
                handle: Rectangle {
                    width: 18
                    height: 18
                    color: control.pressed ? "darkGray" : "lightGray"
                    border.color: "gray"
                    antialiasing: true
                    radius: height/2
                    Rectangle {
                        anchors.fill: parent
                        anchors.margins: 1
                        color: "transparent"
                        antialiasing: true
                        border.color: "#eee"
                        radius: height/2
                    }
                }

                groove: Rectangle {
                    height: 8
                    implicitWidth: window.width / columnFactor
                    implicitHeight: 22

                    antialiasing: true
                    color: "#ccc"
                    border.color: "#777"
                    radius: height/2
                    Rectangle {
                        anchors.fill: parent
                        anchors.margins: 1
                        color: "transparent"
                        antialiasing: true
                        border.color: "#66ffffff"
                        radius: height/2
                    }
                }
            }
        }

        Component {
            id: progressBarStyle
            ProgressBarStyle {
                background: BorderImage {
                    source: "images/progress-background.png"
                    border.left: 2 ; border.right: 2 ; border.top: 2 ; border.bottom: 2
                }
                progress: Item {
                    clip: true
                    BorderImage {
                        anchors.fill: parent
                        anchors.rightMargin: (control.value < control.maximumValue) ? -4 : 0
                        source: "images/progress-fill.png"
                        border.left: 10 ; border.right: 10
                        Rectangle {
                            width: 1
                            color: "#a70"
                            opacity: 0.8
                            anchors.top: parent.top
                            anchors.bottom: parent.bottom
                            anchors.bottomMargin: 1
                            anchors.right: parent.right
                            visible: control.value < control.maximumValue
                            anchors.rightMargin: -parent.anchors.rightMargin
                        }
                    }
                    ParticleSystem { id: bubbles; running: visible }
                    ImageParticle {
                        id: fireball
                        system: bubbles
                        source: "images/bubble.png"
                        opacity: 0.7
                    }
                    Emitter {
                        system: bubbles
                        anchors.bottom: parent.bottom
                        anchors.margins: 4
                        anchors.bottomMargin: -4
                        anchors.left: parent.left
                        anchors.right: parent.right
                        size: 4
                        sizeVariation: 4
                        acceleration: PointDirection { y: -6; xVariation: 3 }
                        emitRate: 6 * control.value
                        lifeSpan: 3000
                    }
                }
            }
        }

        Component {
            id: progressBarStyle2
            ProgressBarStyle {
                background: Rectangle {
                    implicitWidth: window.width / columnFactor
                    implicitHeight: 24
                    color: "#f0f0f0"
                    border.color: "gray"
                }
                progress: Rectangle {
                    color: "#ccc"
                    border.color: "gray"
                    Rectangle {
                        color: "transparent"
                        border.color: "#44ffffff"
                        anchors.fill: parent
                        anchors.margins: 1
                    }
                }
            }
        }

        Component {
            id: tabViewStyle
            TabViewStyle {
                tabOverlap: 16
                frameOverlap: 4
                tabsMovable: true

                frame: Rectangle {
                    gradient: Gradient {
                        GradientStop { color: "#e5e5e5" ; position: 0 }
                        GradientStop { color: "#e0e0e0" ; position: 1 }
                    }
                    border.color: "#898989"
                    Rectangle { anchors.fill: parent ; anchors.margins: 1 ; border.color: "white" ; color: "transparent" }
                }
                tab: Item {
                    property int totalOverlap: tabOverlap * (control.count - 1)
                    implicitWidth: Math.min ((styleData.availableWidth + totalOverlap)/control.count - 4, image.sourceSize.width)
                    implicitHeight: image.sourceSize.height
                    BorderImage {
                        id: image
                        anchors.fill: parent
                        source: styleData.selected ? "images/tab_selected.png" : "images/tab.png"
                        border.left: 30
                        smooth: false
                        border.right: 30
                    }
                    Text {
                        text: styleData.title
                        anchors.centerIn: parent
                    }
                }
                leftCorner: Item { implicitWidth: 12 }
            }
        }
    }