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SmoothRpmDisplay.qml
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import QtQuick
import QtQuick.Controls
import QtQuick.Effects
Rectangle {
id: rpmBar
property bool horizontal: true
property bool topLabels: true // Draw labels on top (right if not a horizontal bar)
color: "#292929"
property color tickColor: "#FEFEFEFE"
property color labelFontColor: "#FEFEFE"
property real maxValue: 9
property real fontFactor: 1
property real redlineValue: 8
property real tickStep: 0.1
property int labelTickEvery: 10
property int bigTickEvery: 5
property real value: 0.0
property real barEndThickness: 0.0020
property real barEndLength: 1.5
property string tickFontName: "sans-serif"
property color barFillColor: "#750000"
property color barFillColorRedline: "#b60c00"
states: [
State {
name: "verticalLeft"
when: !horizontal && !topLabels
AnchorChanges {
target: barFillRedline
anchors.bottom: undefined
anchors.top: parent.top
anchors.right: parent.right
anchors.left: undefined
}
PropertyChanges {
target: barFillEnd
width: barEndLength * parent.width
height: barEndThickness * parent.height
anchors.horizontalCenter: undefined
anchors.verticalCenter: barFill.top
}
AnchorChanges {
target: barFillEnd
anchors.bottom: undefined
anchors.top: undefined
anchors.left: undefined
anchors.right: parent.right
}
PropertyChanges {
target: barFillRedline
width: parent.width * 0.25
height: ((rpmBar.maxValue - rpmBar.redlineValue) / rpmBar.maxValue) * parent.height
}
PropertyChanges {
target: barFill
width: parent.width
height: (rpmBar.value / rpmBar.maxValue) * parent.height
}
PropertyChanges {
target: rpmBar
anchors.rightMargin: height + Math.min(rpmBar.width, rpmBar.height) * rpmBar.fontFactor
anchors.topMargin: 0
anchors.bottomMargin: 0
anchors.leftMargin: 0
}
},
State {
name: "verticalRight"
when: !horizontal && topLabels
AnchorChanges {
target: barFillRedline
anchors.bottom: undefined
anchors.top: parent.top
anchors.right: undefined
anchors.left: parent.left
}
PropertyChanges {
target: barFillEnd
width: barEndLength * parent.width
height: barEndThickness * parent.height
anchors.horizontalCenter: undefined
anchors.verticalCenter: barFill.top
}
AnchorChanges {
target: barFillEnd
anchors.bottom: undefined
anchors.top: undefined
anchors.left: parent.left
anchors.right: undefined
}
PropertyChanges {
target: barFillRedline
width: parent.width * 0.25
height: ((rpmBar.maxValue - rpmBar.redlineValue) / rpmBar.maxValue) * parent.height
}
PropertyChanges {
target: barFill
width: parent.width
height: (rpmBar.value / rpmBar.maxValue) * parent.height
}
PropertyChanges {
target: rpmBar
anchors.leftMargin: height + Math.min(rpmBar.width, rpmBar.height) * rpmBar.fontFactor
anchors.topMargin: 0
anchors.bottomMargin: 0
anchors.rightMargin: 0
}
},
State {
name: "horizontalTop"
when: horizontal && topLabels
PropertyChanges {
target: rpmBar
anchors.topMargin: height + Math.min(rpmBar.width, rpmBar.height) * rpmBar.fontFactor
anchors.leftMargin: 0
anchors.bottomMargin: 0
anchors.rightMargin: 0
}
PropertyChanges {
target: barFillEnd
width: barEndThickness * parent.width
height: barEndLength * parent.height
anchors.horizontalCenter: barFill.right
anchors.verticalCenter: undefined
}
AnchorChanges {
target: barFillEnd
anchors.bottom: parent.bottom
anchors.top: undefined
anchors.left: undefined
anchors.right: undefined
}
AnchorChanges {
target: barFillRedline
anchors.bottom: parent.bottom
anchors.top: undefined
anchors.right: parent.right
anchors.left: undefined
}
PropertyChanges {
target: barFill
width: (rpmBar.value / rpmBar.maxValue) * parent.width
height: parent.height
}
PropertyChanges {
target: barFillRedline
height: parent.height * 0.25
width: ((rpmBar.maxValue - rpmBar.redlineValue) / rpmBar.maxValue) * parent.width
}
},
State {
name: "horizontalBottom"
when: horizontal && !topLabels
PropertyChanges {
target: rpmBar
anchors.bottomMargin: height + Math.min(rpmBar.width, rpmBar.height) * rpmBar.fontFactor
anchors.leftMargin: 0
anchors.topMargin: 0
anchors.rightMargin: 0
}
PropertyChanges {
target: barFillEnd
width: barEndThickness * parent.width
height: barEndLength * parent.height
anchors.horizontalCenter: barFill.right
anchors.verticalCenter: undefined
}
AnchorChanges {
target: barFillRedline
anchors.bottom: undefined
anchors.top: parent.top
anchors.right: parent.right
anchors.left: undefined
}
AnchorChanges {
target: barFillEnd
anchors.bottom: undefined
anchors.top: parent.top
anchors.left: undefined
anchors.right: undefined
}
PropertyChanges {
target: barFill
width: (rpmBar.value / rpmBar.maxValue) * parent.width
height: parent.height
}
PropertyChanges {
target: barFillRedline
height: parent.height * 0.25
width: ((rpmBar.maxValue - rpmBar.redlineValue) / rpmBar.maxValue) * parent.width
}
}
]
Rectangle {
id: barFillRedline
layer.enabled: true
layer.effect: MultiEffect {
blurEnabled: true
blurMax: 64
blur: 0.1
}
color: "#a20b00"
}
Rectangle {
id: barFill
anchors.bottom: parent.bottom // Doesn't matter too much - 100% of parent width anyways
layer.enabled: true
layer.effect: MultiEffect {
blurEnabled: true
blurMax: 64
blur: 0.1
}
color: rpmBar.value >= rpmBar.redlineValue ? barFillColorRedline : barFillColor
}
Rectangle {
id: barFillEnd
color: "#ee0000"
layer.enabled: true
layer.effect: MultiEffect {
blurEnabled: true
blurMax: 64
blur: 0.1
}
}
Repeater {
model: Math.floor(rpmBar.maxValue / rpmBar.tickStep) + 1
Rectangle {
id: tickMark
states: [
State {
name: "verticalLeft"
when: !horizontal && !topLabels
AnchorChanges {
target: tickMark
anchors.bottom: undefined
anchors.top: undefined
anchors.left: undefined
anchors.right: parent.right
}
PropertyChanges {
target: tickMark
x: 0
y: (1 - (index / (rpmBar.maxValue / rpmBar.tickStep))) * parent.height
}
AnchorChanges {
target: tickLabel
anchors.bottom: undefined
anchors.top: undefined
anchors.left: undefined
anchors.right: parent.left
anchors.horizontalCenter: undefined
anchors.verticalCenter: parent.verticalCenter
}
},
State {
name: "verticalRight"
when: !horizontal && topLabels
AnchorChanges {
target: tickMark
anchors.bottom: undefined
anchors.top: undefined
anchors.left: parent.left
anchors.right: undefined
}
PropertyChanges {
target: tickMark
x: 0
y: (1 - (index / (rpmBar.maxValue / rpmBar.tickStep))) * parent.height
}
AnchorChanges {
target: tickLabel
anchors.bottom: undefined
anchors.top: undefined
anchors.left: parent.right
anchors.right: undefined
anchors.horizontalCenter: undefined
anchors.verticalCenter: parent.verticalCenter
}
},
State {
name: "horizontalTop"
when: horizontal && topLabels
AnchorChanges {
target: tickMark
anchors.bottom: parent.bottom
anchors.top: undefined
anchors.left: undefined
anchors.right: undefined
}
PropertyChanges {
target: tickMark
x: (index / (rpmBar.maxValue / rpmBar.tickStep)) * parent.width
y: 0
}
AnchorChanges {
target: tickLabel
anchors.bottom: parent.top
anchors.top: undefined
anchors.left: undefined
anchors.right: undefined
anchors.horizontalCenter: parent.horizontalCenter
anchors.verticalCenter: undefined
}
},
State {
name: "horizontalBottom"
when: horizontal && !topLabels
AnchorChanges {
target: tickMark
anchors.bottom: undefined
anchors.top: parent.top
anchors.left: undefined
anchors.right: undefined
}
PropertyChanges {
target: tickMark
x: (index / (rpmBar.maxValue / rpmBar.tickStep)) * parent.width
y: 0
}
AnchorChanges {
target: tickLabel
anchors.bottom: undefined
anchors.top: parent.bottom
anchors.left: undefined
anchors.right: undefined
anchors.horizontalCenter: parent.horizontalCenter
anchors.verticalCenter: undefined
}
}
]
width: rpmBar.horizontal ? (index % rpmBar.bigTickEvery === 0 ? barEndThickness * parent.width : 1) : (index % rpmBar.bigTickEvery === 0 ? 1.25 : 0.25) * parent.width
height: rpmBar.horizontal ? (index % rpmBar.bigTickEvery === 0 ? 1.25 : 0.25) * parent.height : (index % rpmBar.bigTickEvery === 0 ? 2 : 1)
color: rpmBar.tickColor
Text {
id: tickLabel
text: index * rpmBar.tickStep
visible: index % rpmBar.labelTickEvery === 0 ? true : false
color: rpmBar.labelFontColor
font.pixelSize: Math.min(rpmBar.width, rpmBar.height) * rpmBar.fontFactor
font.family: tickFontName
}
}
}
}