Current File : C:/Windows/Temp/MBInstallTemp/ctlrpkg/QtQuick/Controls/Styles/Base/ToggleButtonStyle.qml
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import QtQuick 2.2
import QtGraphicalEffects 1.0
import QtQuick.Controls.Styles 1.4
import QtQuick.Extras 1.4
import QtQuick.Extras.Private 1.0
import QtQuick.Extras.Private.CppUtils 1.0
/*!
\qmltype ToggleButtonStyle
\inqmlmodule QtQuick.Controls.Styles
\since 5.5
\ingroup controlsstyling
\brief Provides custom styling for ToggleButton.
You can create a custom toggle button by replacing the same delegates that
\l {ButtonStyle} provides.
*/
CircularButtonStyle {
id: circularButtonStyle
/*!
The \l ToggleButton that this style is attached to.
*/
readonly property ToggleButton control: __control
/*!
The gradient that is displayed on the inactive state indicator. The
inactive state indicator will be the checked gradient when the button
is unchecked, and the unchecked gradient when the button is checked.
\sa checkedGradient, uncheckedGradient
*/
property Gradient inactiveGradient: Gradient {
GradientStop {
position: 0
color: commonStyleHelper.inactiveColor
}
GradientStop {
position: 1
color: commonStyleHelper.inactiveColorShine
}
}
/*!
The gradient that is displayed on the checked state indicator.
\sa uncheckedGradient, inactiveGradient
*/
property Gradient checkedGradient: Gradient {
GradientStop {
position: 0
color: commonStyleHelper.onColor
}
GradientStop {
position: 1
color: commonStyleHelper.onColorShine
}
}
/*!
The gradient that is displayed on the unchecked state indicator.
\sa checkedGradient, inactiveGradient
*/
property Gradient uncheckedGradient: Gradient {
GradientStop {
position: 0
color: commonStyleHelper.offColor
}
GradientStop {
position: 1
color: commonStyleHelper.offColorShine
}
}
/*!
The color that is used for the drop shadow below the checked state
indicator.
\sa uncheckedDropShadowColor
*/
property color checkedDropShadowColor: commonStyleHelper.onColor
/*!
The color that is used for the drop shadow below the checked state
indicator.
\sa checkedDropShadowColor
*/
property color uncheckedDropShadowColor: commonStyleHelper.offColor
CommonStyleHelper {
id: commonStyleHelper
}
background: Item {
implicitWidth: __buttonHelper.implicitWidth
implicitHeight: __buttonHelper.implicitHeight
Connections {
target: control
onPressedChanged: {
backgroundCanvas.requestPaint();
}
onCheckedChanged: {
uncheckedCanvas.requestPaint();
checkedCanvas.requestPaint();
}
}
Connections {
target: circularButtonStyle
onCheckedGradientChanged: checkedCanvas.requestPaint()
onCheckedDropShadowColorChanged: checkedCanvas.requestPaint()
onUncheckedGradientChanged: uncheckedCanvas.requestPaint()
onUncheckedDropShadowColorChanged: uncheckedCanvas.requestPaint()
onInactiveGradientChanged: {
checkedCanvas.requestPaint();
uncheckedCanvas.requestPaint();
}
}
Connections {
target: circularButtonStyle.checkedGradient
onUpdated: checkedCanvas.requestPaint()
}
Connections {
target: circularButtonStyle.uncheckedGradient
onUpdated: uncheckedCanvas.requestPaint()
}
Connections {
target: circularButtonStyle.inactiveGradient
onUpdated: {
uncheckedCanvas.requestPaint();
checkedCanvas.requestPaint();
}
}
Canvas {
id: backgroundCanvas
anchors.fill: parent
onPaint: {
var ctx = getContext("2d");
__buttonHelper.paintBackground(ctx);
}
}
Canvas {
id: uncheckedCanvas
anchors.fill: parent
anchors.margins: -(__buttonHelper.radius * 3)
visible: control.checked
readonly property real xCenter: width / 2
readonly property real yCenter: height / 2
onPaint: {
var ctx = getContext("2d");
ctx.reset();
/* Draw unchecked indicator */
ctx.beginPath();
ctx.lineWidth = __buttonHelper.outerArcLineWidth - __buttonHelper.innerArcLineWidth;
ctx.arc(xCenter, yCenter, __buttonHelper.outerArcRadius + __buttonHelper.innerArcLineWidth / 2,
MathUtils.degToRad(180), MathUtils.degToRad(270), false);
var gradient = ctx.createLinearGradient(xCenter, yCenter + __buttonHelper.radius,
xCenter, yCenter - __buttonHelper.radius);
var relevantGradient = control.checked ? inactiveGradient : uncheckedGradient;
for (var i = 0; i < relevantGradient.stops.length; ++i) {
gradient.addColorStop(relevantGradient.stops[i].position, relevantGradient.stops[i].color);
}
ctx.strokeStyle = gradient;
ctx.stroke();
}
}
Canvas {
id: checkedCanvas
anchors.fill: parent
anchors.margins: -(__buttonHelper.radius * 3)
visible: !control.checked
readonly property real xCenter: width / 2
readonly property real yCenter: height / 2
onPaint: {
var ctx = getContext("2d");
ctx.reset();
/* Draw checked indicator */
ctx.beginPath();
ctx.lineWidth = __buttonHelper.outerArcLineWidth - __buttonHelper.innerArcLineWidth;
ctx.arc(xCenter, yCenter, __buttonHelper.outerArcRadius + __buttonHelper.innerArcLineWidth / 2,
MathUtils.degToRad(270), MathUtils.degToRad(0), false);
var gradient = ctx.createLinearGradient(xCenter, yCenter + __buttonHelper.radius,
xCenter, yCenter - __buttonHelper.radius);
var relevantGradient = control.checked ? checkedGradient : inactiveGradient;
for (var i = 0; i < relevantGradient.stops.length; ++i) {
gradient.addColorStop(relevantGradient.stops[i].position, relevantGradient.stops[i].color);
}
ctx.strokeStyle = gradient;
ctx.stroke();
}
}
DropShadow {
id: uncheckedDropShadow
anchors.fill: uncheckedCanvas
cached: true
color: uncheckedDropShadowColor
source: uncheckedCanvas
visible: !control.checked
}
DropShadow {
id: checkedDropShadow
anchors.fill: checkedCanvas
cached: true
color: checkedDropShadowColor
source: checkedCanvas
visible: control.checked
}
}
panel: Item {
implicitWidth: backgroundLoader.implicitWidth
implicitHeight: backgroundLoader.implicitHeight
Loader {
id: backgroundLoader
anchors.fill: parent
sourceComponent: background
}
Loader {
id: labelLoader
sourceComponent: label
anchors.fill: parent
anchors.leftMargin: padding.left
anchors.topMargin: padding.top
anchors.rightMargin: padding.right
anchors.bottomMargin: padding.bottom
}
}
}
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