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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D Editor of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.5
import QtQuick.Controls 2.0 as QQC2
import QtQuick.Layouts 1.2
Item {
id: floatSliderInputField
width: parent.width
height: sliderLayout.height
property alias lockProperty: lockButton.lockProperty
property alias lockComponent: lockButton.lockComponent
property alias locked: lockButton.locked
property alias label: sliderLabel.text
property alias stepSize: slider.stepSize
property double minimum: 0.0
property double maximum: 100.0
property double value: 0.0
property int roundDigits: 1 // TODO: Determine nice default rounding
property int roundMultiplier: Math.pow(10, roundDigits) // Calculated from roundDigits, do not set directly
property alias tooltip: sliderLabel.tooltip
function roundNumber(number) {
if (roundDigits >= 0)
return Math.round(number * roundMultiplier) / roundMultiplier
else
return number
}
function tryCommitValue(desiredValue) {
var newValue
if (desiredValue !== "")
newValue = roundNumber(desiredValue)
else
newValue = roundNumber(component[propertyName])
newValue = Math.max(newValue, minimum)
newValue = Math.min(newValue, maximum)
value = newValue
if (floatInput.text != newValue)
floatInput.text = newValue
}
onValueChanged: {
var roundedValue = roundNumber(value)
floatInput.text = roundedValue
slider.blockCommit = true
slider.value = roundedValue
slider.blockCommit = false
}
RowLayout {
id: sliderLayout
width: parent.width
StyledLabel {
id: sliderLabel
text: qsTr("Float Slider") + editorScene.emptyString
enabled: lockButton.buttonEnabled
Layout.alignment: Qt.AlignLeft
}
DoubleValidator {
id: doubleValidator
locale: "C"
}
Rectangle {
color: editorContent.paneBackgroundColor
height: floatSliderInputField.height
width: floatSliderInputField.width * 0.6 > editorContent.maximumControlWidth
? editorContent.maximumControlWidth + editorContent.controlMargin
: floatSliderInputField.width * 0.62
anchors.right: floatInput.right
}
QQC2.Slider {
id: slider
property bool blockCommit: false
property bool pendingValue: false
from: minimum
to: maximum
implicitWidth: floatSliderInputField.width * 0.6 > editorContent.maximumControlWidth
? editorContent.maximumControlWidth * 0.65
: floatSliderInputField.width * 0.4 - 4
enabled: lockButton.buttonEnabled
anchors.right: floatInput.left
anchors.rightMargin: 4
handle: Rectangle {
x: slider.leftPadding + (horizontal ? slider.visualPosition
* (slider.availableWidth - width)
: (slider.availableWidth - width) / 2)
y: slider.topPadding + (horizontal ? (slider.availableHeight - height) / 2
: slider.visualPosition
* (slider.availableHeight - height))
implicitWidth: 20
implicitHeight: 20
radius: width / 2
border.color: enabled ? editorContent.listHighlightColor
: editorContent.itemBackgroundColor
color: enabled ? (slider.pressed ? editorContent.selectionColor
: editorContent.listHighlightColor)
: editorContent.itemBackgroundColor
readonly property bool horizontal: slider.orientation === Qt.Horizontal
}
background: Rectangle {
x: slider.leftPadding + (horizontal ? 0 : (slider.availableWidth - width) / 2)
y: slider.topPadding + (horizontal ? (slider.availableHeight - height) / 2 : 0)
implicitWidth: horizontal ? 200 : 6
implicitHeight: horizontal ? 6 : 200
width: horizontal ? slider.availableWidth : implicitWidth
height: horizontal ? implicitHeight : slider.availableHeight
radius: 3
border.color: enabled ? editorContent.listHighlightColor
: editorContent.itemBackgroundColor
color: enabled ? editorContent.listHighlightColor : editorContent.itemBackgroundColor
scale: horizontal && slider.mirrored ? -1 : 1
readonly property bool horizontal: slider.orientation === Qt.Horizontal
}
onPositionChanged: {
var newValue = roundNumber((position * (to - from)) + from)
floatInput.text = newValue
if (!blockCommit) {
// Do not try to commit immediately, if we do not have focus.
// Instead, delay the commit until we get the focus. This should ensure
// any onEditingFinishes in other fields get executed before slider value
// creates its undo command into the stack, thus ensuring the undo stack
// is kept in correct order.
if (focus) {
pendingValue = false
tryCommitValue(newValue)
} else {
pendingValue = true
}
}
}
onPressedChanged: {
// Grab focus if user presses the slider with mouse.
// Note that if this is changed, pendingValue logic will likely break.
if (pressed)
forceActiveFocus(Qt.MouseFocusReason)
}
onFocusChanged: {
if (focus && pendingValue) {
tryCommitValue(value)
pendingValue = false
}
}
}
StyledTextField {
id: floatInput
implicitWidth: floatSliderInputField.width * 0.6 > editorContent.maximumControlWidth
? editorContent.maximumControlWidth * 0.34
: floatSliderInputField.width * 0.2
anchors.right: lockButton.left
anchors.rightMargin: 4
validator: doubleValidator
inputMethodHints: Qt.ImhFormattedNumbersOnly
enabled: lockButton.buttonEnabled
selectByMouse: true
onEditingFinished: {
tryCommitValue(floatInput.text)
}
Component.onCompleted: {
text = roundNumber(slider.value)
}
}
PropertyLockButton {
id: lockButton
Layout.alignment: Qt.AlignVCenter
anchors.right: parent.right
Layout.maximumWidth: 16
label: floatSliderInputField.label
}
}
}
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