/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/Styles/Base/StatusIndicatorStyle.qml is in qml-module-qtquick-controls 5.7.1~20161021-2.
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import QtQuick 2.2
import QtGraphicalEffects 1.0
import QtQuick.Controls.Private 1.0
import QtQuick.Extras 1.4
/*!
\qmltype StatusIndicatorStyle
\inqmlmodule QtQuick.Controls.Styles
\since 5.5
\ingroup controlsstyling
\brief Provides custom styling for StatusIndicatorStyle.
You can create a custom status indicator by defining the \l indicator
component.
*/
Style {
id: pieMenuStyle
/*!
The \l StatusIndicator that this style is attached to.
*/
readonly property StatusIndicator control: __control
/*!
The color that instances of
\l [QtQuickExtras]{StatusIndicator} will have.
The \l [QtQuickExtras]{StatusIndicator::}{color}
property in \l [QtQuickExtras]{StatusIndicator}
will override this property when set.
*/
property color color: "red"
/*!
This defines the indicator in both its on and off status.
*/
property Component indicator: Item {
readonly property real shineStep: 0.05
readonly property real smallestAxis: Math.min(control.width, control.height)
readonly property real outerRecessPercentage: 0.11
readonly property color offColor: Qt.rgba(0.13, 0.13, 0.13)
readonly property color baseColor: control.active ? control.color : offColor
implicitWidth: TextSingleton.implicitHeight * 2
implicitHeight: implicitWidth
Canvas {
id: backgroundCanvas
width: Math.min(parent.width, parent.height)
// height: width --- QTBUG-42878
height: Math.min(parent.width, parent.height)
anchors.centerIn: parent
Connections {
target: control
onActiveChanged: backgroundCanvas.requestPaint()
onColorChanged: backgroundCanvas.requestPaint()
}
onPaint: {
var ctx = getContext("2d");
ctx.reset();
// Draw the semi-transparent background.
ctx.beginPath();
var gradient = ctx.createLinearGradient(width / 2, 0, width / 2, height * 0.75);
gradient.addColorStop(0.0, Qt.rgba(0, 0, 0, control.active ? 0.1 : 0.25));
gradient.addColorStop(1.0, control.active ? Qt.rgba(0, 0, 0, 0.1) : Qt.rgba(0.74, 0.74, 0.74, 0.25));
ctx.fillStyle = gradient;
ctx.ellipse(0, 0, width, height);
ctx.fill();
}
}
Item {
id: shadowGuard
anchors.fill: backgroundCanvas
anchors.margins: -shadow.radius
Canvas {
id: colorCanvas
anchors.fill: parent
anchors.margins: shadow.radius
Connections {
target: control
onActiveChanged: colorCanvas.requestPaint()
onColorChanged: colorCanvas.requestPaint()
}
onPaint: {
var ctx = getContext("2d");
ctx.reset();
// Draw the actual color within the circle.
ctx.beginPath();
ctx.fillStyle = baseColor;
var recess = smallestAxis * outerRecessPercentage;
ctx.ellipse(recess, recess, width - recess * 2, height - recess * 2);
ctx.fill();
}
}
}
DropShadow {
id: shadow
source: shadowGuard
color: control.color
cached: true
anchors.fill: shadowGuard
visible: control.active
}
Canvas {
id: foregroundCanvas
anchors.fill: backgroundCanvas
Connections {
target: control
onActiveChanged: foregroundCanvas.requestPaint()
onColorChanged: foregroundCanvas.requestPaint()
}
onPaint: {
var ctx = getContext("2d");
ctx.reset();
// Draw the first shine.
ctx.beginPath();
ctx.fillStyle = Qt.rgba(1, 1, 1, 0.03);
var recessPercentage = outerRecessPercentage + shineStep * 0.65;
var recess = smallestAxis * recessPercentage;
ctx.ellipse(recess, recess, width - recess * 2, height - recess * 2);
ctx.fill();
// Draw the second, inner shine.
ctx.beginPath();
ctx.fillStyle = Qt.rgba(1, 1, 1, 0.06);
recessPercentage += shineStep;
recess = smallestAxis * recessPercentage;
ctx.ellipse(recess, recess, width - recess * 2, height - recess * 2);
ctx.fill();
// Now draw the final arced shine that goes over the first and second shines.
// First, clip the entire shine area.
ctx.beginPath();
recessPercentage -= shineStep;
recess = smallestAxis * recessPercentage;
ctx.ellipse(recess, recess, width - recess * 2, height - recess * 2);
ctx.clip();
if (!control.active) {
// Then, clip the bottom area out of the shine.
ctx.ellipse(recess, height * 0.425, width - recess * 2, height - recess * 2);
ctx.clip();
}
ctx.beginPath();
var gradient;
if (!control.active) {
// Draw the shine arc.
gradient = ctx.createLinearGradient(width / 2, height * 0.2, width / 2, height * 0.65);
gradient.addColorStop(0.0, Qt.rgba(1, 1, 1, 0.05));
gradient.addColorStop(1.0, "transparent");
} else {
// Draw the radial shine.
gradient = ctx.createRadialGradient(width / 2, height / 2, width * 0.25, width / 2, height / 2, width * 0.25);
gradient.addColorStop(0.0, Qt.lighter(baseColor, 1.4));
gradient.addColorStop(1.0, "transparent");
}
ctx.fillStyle = gradient;
ctx.ellipse(recess, recess, width - recess * 2, height - recess * 2);
ctx.fill();
}
}
}
/*! \internal */
property Component panel: Item {
implicitWidth: indicatorLoader.implicitWidth
implicitHeight: indicatorLoader.implicitHeight
Loader {
id: indicatorLoader
width: Math.max(1, parent.width)
height: Math.max(1, parent.height)
anchors.centerIn: parent
sourceComponent: indicator
}
}
}
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