qtdoc/doc/snippets/qmlapp/usecases/Button.qml

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QML

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//![0]
import QtQuick 2.0
Rectangle {
id: container
// The caption property is an alias to the text of the Text element, so Button users can set the text
property alias caption: txt.text
// The clicked signal is emitted whenever the button is clicked, so Button users can respond
signal clicked
// The button is set to have rounded corners and a thin black border
radius: 4
border.width: 1
// This button has a fixed size, but it could resize based on the text
width: 160
height: 40
// A SystemPalette is used to get colors from the system settings for the background
SystemPalette { id: sysPalette }
gradient: Gradient {
// The top gradient is darker when 'pressed', all colors come from the system palette
GradientStop { position: 0.0; color: ma.pressed ? sysPalette.dark : sysPalette.light }
GradientStop { position: 1.0; color: sysPalette.button }
}
Text {
id: txt
// This is the default value of the text, but most Button users will set their own with the caption property
text: "Button"
font.bold: true
font.pixelSize: 16
anchors.centerIn: parent
}
MouseArea {
id: ma
anchors.fill: parent
// This re-emits the clicked signal on the root item, so that Button users can respond to it
onClicked: container.clicked()
}
}
//![0]