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https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
synced 2025-04-22 05:39:37 +08:00
392 lines
13 KiB
QML
392 lines
13 KiB
QML
// Copyright (c) 2017 Ultimaker B.V.
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// Cura is released under the terms of the LGPLv3 or higher.
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import QtQuick 2.2
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import QtQuick.Controls 1.2
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import QtQuick.Layouts 1.1
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import QtQuick.Controls.Styles 1.1
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import UM 1.0 as UM
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import Cura 1.0 as Cura
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Item
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{
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id: sliderRoot
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// Handle properties
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property real handleSize: UM.Theme.getSize("slider_handle").width
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property real handleRadius: handleSize / 2
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property real minimumRangeHandleSize: handleSize / 2
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property color upperHandleColor: UM.Theme.getColor("slider_handle")
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property color lowerHandleColor: UM.Theme.getColor("slider_handle")
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property color rangeHandleColor: UM.Theme.getColor("slider_groove_fill")
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property color handleActiveColor: UM.Theme.getColor("slider_handle_active")
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property var activeHandle: upperHandle
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// Track properties
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property real trackThickness: UM.Theme.getSize("slider_groove").width // width of the slider track
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property real trackRadius: UM.Theme.getSize("slider_groove_radius").width
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property color trackColor: UM.Theme.getColor("slider_groove")
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// value properties
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property real maximumValue: 100
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property real minimumValue: 0
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property real minimumRange: 0 // minimum range allowed between min and max values
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property bool roundValues: true
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property real upperValue: maximumValue
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property real lowerValue: minimumValue
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property bool layersVisible: true
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property bool manuallyChanged: true // Indicates whether the value was changed manually or during simulation
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function getUpperValueFromSliderHandle()
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{
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return upperHandle.getValue()
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}
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function setUpperValue(value)
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{
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upperHandle.setValue(value)
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updateRangeHandle()
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}
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function getLowerValueFromSliderHandle()
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{
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return lowerHandle.getValue()
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}
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function setLowerValue(value)
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{
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lowerHandle.setValue(value)
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updateRangeHandle()
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}
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function updateRangeHandle()
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{
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rangeHandle.height = lowerHandle.y - (upperHandle.y + upperHandle.height)
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}
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// set the active handle to show only one label at a time
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function setActiveHandle(handle)
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{
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activeHandle = handle
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}
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function normalizeValue(value)
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{
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return Math.min(Math.max(value, sliderRoot.minimumValue), sliderRoot.maximumValue)
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}
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// Slider track
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Rectangle
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{
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id: track
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width: sliderRoot.trackThickness
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height: sliderRoot.height - sliderRoot.handleSize
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radius: sliderRoot.trackRadius
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anchors.centerIn: sliderRoot
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color: sliderRoot.trackColor
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visible: sliderRoot.layersVisible
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}
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// Range handle
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Item
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{
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id: rangeHandle
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y: upperHandle.y + upperHandle.height
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width: sliderRoot.handleSize
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height: sliderRoot.minimumRangeHandleSize
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anchors.horizontalCenter: sliderRoot.horizontalCenter
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visible: sliderRoot.layersVisible
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// Set the new value when dragging
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function onHandleDragged()
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{
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sliderRoot.manuallyChanged = true
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upperHandle.y = y - upperHandle.height
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lowerHandle.y = y + height
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var upperValue = sliderRoot.getUpperValueFromSliderHandle()
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var lowerValue = sliderRoot.getLowerValueFromSliderHandle()
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// set both values after moving the handle position
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UM.SimulationView.setCurrentLayer(upperValue)
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UM.SimulationView.setMinimumLayer(lowerValue)
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}
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function setValueManually(value)
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{
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sliderRoot.manuallyChanged = true
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upperHandle.setValue(value)
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}
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function setValue(value)
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{
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var range = sliderRoot.upperValue - sliderRoot.lowerValue
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value = Math.min(value, sliderRoot.maximumValue)
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value = Math.max(value, sliderRoot.minimumValue + range)
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UM.SimulationView.setCurrentLayer(value)
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UM.SimulationView.setMinimumLayer(value - range)
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}
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Rectangle
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{
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width: sliderRoot.trackThickness
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height: parent.height + sliderRoot.handleSize
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anchors.centerIn: parent
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radius: sliderRoot.trackRadius
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color: sliderRoot.rangeHandleColor
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}
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MouseArea
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{
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anchors.fill: parent
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drag
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{
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target: parent
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axis: Drag.YAxis
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minimumY: upperHandle.height
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maximumY: sliderRoot.height - (rangeHandle.height + lowerHandle.height)
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}
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onPositionChanged: parent.onHandleDragged()
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onPressed:
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{
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sliderRoot.setActiveHandle(rangeHandle)
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sliderRoot.forceActiveFocus()
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}
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}
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}
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onHeightChanged : {
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// After a height change, the pixel-position of the handles is out of sync with the property value
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setLowerValue(lowerValue)
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setUpperValue(upperValue)
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}
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// Upper handle
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Rectangle
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{
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id: upperHandle
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y: sliderRoot.height - (sliderRoot.minimumRangeHandleSize + 2 * sliderRoot.handleSize)
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width: sliderRoot.handleSize
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height: sliderRoot.handleSize
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anchors.horizontalCenter: sliderRoot.horizontalCenter
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radius: sliderRoot.handleRadius
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color: upperHandleLabel.activeFocus ? sliderRoot.handleActiveColor : sliderRoot.upperHandleColor
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visible: sliderRoot.layersVisible
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function onHandleDragged()
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{
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sliderRoot.manuallyChanged = true
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// don't allow the lower handle to be heigher than the upper handle
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if (lowerHandle.y - (y + height) < sliderRoot.minimumRangeHandleSize)
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{
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lowerHandle.y = y + height + sliderRoot.minimumRangeHandleSize
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}
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// update the range handle
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sliderRoot.updateRangeHandle()
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// set the new value after moving the handle position
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UM.SimulationView.setCurrentLayer(getValue())
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}
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// get the upper value based on the slider position
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function getValue()
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{
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var result = y / (sliderRoot.height - (2 * sliderRoot.handleSize + sliderRoot.minimumRangeHandleSize))
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result = sliderRoot.maximumValue + result * (sliderRoot.minimumValue - (sliderRoot.maximumValue - sliderRoot.minimumValue))
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result = sliderRoot.roundValues ? Math.round(result) : result
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return result
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}
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function setValueManually(value)
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{
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sliderRoot.manuallyChanged = true
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upperHandle.setValue(value)
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}
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// set the slider position based on the upper value
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function setValue(value)
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{
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// Normalize values between range, since using arrow keys will create out-of-the-range values
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value = sliderRoot.normalizeValue(value)
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UM.SimulationView.setCurrentLayer(value)
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var diff = (value - sliderRoot.maximumValue) / (sliderRoot.minimumValue - sliderRoot.maximumValue)
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// In case there is only one layer, the diff value results in a NaN, so this is for catching this specific case
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if (isNaN(diff))
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{
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diff = 0
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}
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var newUpperYPosition = Math.round(diff * (sliderRoot.height - (2 * sliderRoot.handleSize + sliderRoot.minimumRangeHandleSize)))
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y = newUpperYPosition
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// update the range handle
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sliderRoot.updateRangeHandle()
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}
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Keys.onUpPressed: upperHandleLabel.setValue(upperHandleLabel.value + ((event.modifiers & Qt.ShiftModifier) ? 10 : 1))
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Keys.onDownPressed: upperHandleLabel.setValue(upperHandleLabel.value - ((event.modifiers & Qt.ShiftModifier) ? 10 : 1))
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// dragging
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MouseArea
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{
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anchors.fill: parent
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drag
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{
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target: parent
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axis: Drag.YAxis
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minimumY: 0
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maximumY: sliderRoot.height - (2 * sliderRoot.handleSize + sliderRoot.minimumRangeHandleSize)
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}
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onPositionChanged: parent.onHandleDragged()
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onPressed:
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{
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sliderRoot.setActiveHandle(upperHandle)
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upperHandleLabel.forceActiveFocus()
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}
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}
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SimulationSliderLabel
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{
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id: upperHandleLabel
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height: sliderRoot.handleSize
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anchors.bottom: parent.top
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anchors.bottomMargin: UM.Theme.getSize("narrow_margin").height
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anchors.horizontalCenter: parent.horizontalCenter
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target: Qt.point(parent.width / 2, parent.top)
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visible: sliderRoot.activeHandle == parent || sliderRoot.activeHandle == rangeHandle
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// custom properties
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maximumValue: sliderRoot.maximumValue
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value: sliderRoot.upperValue
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busy: UM.SimulationView.busy
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setValue: upperHandle.setValueManually // connect callback functions
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}
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}
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// Lower handle
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Rectangle
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{
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id: lowerHandle
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y: sliderRoot.height - sliderRoot.handleSize
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width: parent.handleSize
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height: parent.handleSize
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anchors.horizontalCenter: parent.horizontalCenter
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radius: sliderRoot.handleRadius
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color: lowerHandleLabel.activeFocus ? sliderRoot.handleActiveColor : sliderRoot.lowerHandleColor
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visible: sliderRoot.layersVisible
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function onHandleDragged()
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{
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sliderRoot.manuallyChanged = true
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// don't allow the upper handle to be lower than the lower handle
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if (y - (upperHandle.y + upperHandle.height) < sliderRoot.minimumRangeHandleSize)
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{
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upperHandle.y = y - (upperHandle.heigth + sliderRoot.minimumRangeHandleSize)
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}
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// update the range handle
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sliderRoot.updateRangeHandle()
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// set the new value after moving the handle position
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UM.SimulationView.setMinimumLayer(getValue())
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}
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// get the lower value from the current slider position
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function getValue()
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{
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var result = (y - (sliderRoot.handleSize + sliderRoot.minimumRangeHandleSize)) / (sliderRoot.height - (2 * sliderRoot.handleSize + sliderRoot.minimumRangeHandleSize));
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result = sliderRoot.maximumValue - sliderRoot.minimumRange + result * (sliderRoot.minimumValue - (sliderRoot.maximumValue - sliderRoot.minimumRange))
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result = sliderRoot.roundValues ? Math.round(result) : result
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return result
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}
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function setValueManually(value)
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{
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sliderRoot.manuallyChanged = true
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lowerHandle.setValue(value)
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}
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// set the slider position based on the lower value
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function setValue(value)
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{
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// Normalize values between range, since using arrow keys will create out-of-the-range values
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value = sliderRoot.normalizeValue(value)
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UM.SimulationView.setMinimumLayer(value)
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var diff = (value - sliderRoot.maximumValue) / (sliderRoot.minimumValue - sliderRoot.maximumValue)
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// In case there is only one layer, the diff value results in a NaN, so this is for catching this specific case
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if (isNaN(diff))
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{
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diff = 0
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}
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var newLowerYPosition = Math.round((sliderRoot.handleSize + sliderRoot.minimumRangeHandleSize) + diff * (sliderRoot.height - (2 * sliderRoot.handleSize + sliderRoot.minimumRangeHandleSize)))
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y = newLowerYPosition
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// update the range handle
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sliderRoot.updateRangeHandle()
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}
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Keys.onUpPressed: lowerHandleLabel.setValue(lowerHandleLabel.value + ((event.modifiers & Qt.ShiftModifier) ? 10 : 1))
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Keys.onDownPressed: lowerHandleLabel.setValue(lowerHandleLabel.value - ((event.modifiers & Qt.ShiftModifier) ? 10 : 1))
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// dragging
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MouseArea
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{
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anchors.fill: parent
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drag
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{
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target: parent
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axis: Drag.YAxis
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minimumY: upperHandle.height + sliderRoot.minimumRangeHandleSize
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maximumY: sliderRoot.height - parent.height
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}
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onPositionChanged: parent.onHandleDragged()
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onPressed:
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{
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sliderRoot.setActiveHandle(lowerHandle)
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lowerHandleLabel.forceActiveFocus()
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}
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}
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SimulationSliderLabel
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{
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id: lowerHandleLabel
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height: sliderRoot.handleSize
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anchors.top: parent.bottom
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anchors.topMargin: UM.Theme.getSize("narrow_margin").height
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anchors.horizontalCenter: parent.horizontalCenter
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target: Qt.point(parent.width / 2, parent.bottom)
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visible: sliderRoot.activeHandle == parent || sliderRoot.activeHandle == rangeHandle
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// custom properties
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maximumValue: sliderRoot.maximumValue
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value: sliderRoot.lowerValue
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busy: UM.SimulationView.busy
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setValue: lowerHandle.setValueManually // connect callback functions
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}
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}
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}
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