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** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
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import QtQuick
import QtQuick.Templates as T
import QtQuick.Controls
import QtQuick.Controls.impl
import QtQuick.Controls.Imagine
import QtQuick.Controls.Imagine.impl

T.RoundButton {
    id: control

    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
                            implicitContentWidth + leftPadding + rightPadding)
    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
                             implicitContentHeight + topPadding + bottomPadding)

    topPadding: background ? background.topPadding : 0
    leftPadding: background ? background.leftPadding : 0
    rightPadding: background ? background.rightPadding : 0
    bottomPadding: background ? background.bottomPadding : 0

    topInset: background ? -background.topInset || 0 : 0
    leftInset: background ? -background.leftInset || 0 : 0
    rightInset: background ? -background.rightInset || 0 : 0
    bottomInset: background ? -background.bottomInset || 0 : 0

    icon.width: 24
    icon.height: 24
    icon.color: control.enabled && control.flat && control.highlighted ? control.palette.highlight
        : control.enabled && (control.down || control.checked || control.highlighted) && !control.flat
        ? control.palette.brightText : control.flat ? control.palette.windowText : control.palette.buttonText

    contentItem: IconLabel {
        spacing: control.spacing
        mirrored: control.mirrored
        display: control.display

        icon: control.icon
        text: control.text
        font: control.font
        color: control.enabled && control.flat && control.highlighted ? control.palette.highlight
            : control.enabled && (control.down || control.checked || control.highlighted) && !control.flat
            ? control.palette.brightText : control.flat ? control.palette.windowText : control.palette.buttonText
    }

    background: NinePatchImage {
        // ### TODO: radius?
        source: Imagine.url + "roundbutton-background"
        NinePatchImageSelector on source {
            states: [
                {"disabled": !control.enabled},
                {"pressed": control.down},
                {"checked": control.checked},
                {"checkable": control.checkable},
                {"focused": control.visualFocus},
                {"highlighted": control.highlighted},
                {"flat": control.flat},
                {"mirrored": control.mirrored},
                {"hovered": control.hovered}
            ]
        }
    }
}