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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 2.6
import QtQuick.Controls 2.2
import QtQuick.Layouts 1.3
import "../controls"
/*
* Use for: Opacity, Edge Tesselation Value, Inner Tesselation Value ...
* For the latter two set sliderMax to 64
*/
Row {
id: root
property real value: 0 // This is the value coming from backend
property alias desiredValue: slider.value // This is value adjusted by user
property alias sliderMin: slider.from
property alias sliderMax: slider.to
property bool intSlider: false
property int decimalSlider: 3
property Item tabItem1: textField
signal previewValue // Indicates desiredValue contains a preview value
signal commitValue // Indicates desiredValue contains a final value to be committed
spacing: 5
width: _valueWidth
function doCommitValue() {
wheelCommitTimer.stop();
if (rateLimiter.running)
rateLimiter.stop();
textField.setTextFieldValue();
root.commitValue();
}
onValueChanged: {
slider.value = value;
textField.setTextFieldValue();
}
Keys.onPressed: {
if (event.key === Qt.Key_Up || event.key === Qt.Key_Down) {
event.accepted = true
var delta = 1.0;
if (intSlider) {
if (event.key === Qt.Key_Down)
delta = -delta;
slider.value = Number(slider.value + delta).toFixed(0);
} else {
if (event.modifiers === Qt.ControlModifier)
delta = 0.1;
else if (event.modifiers === Qt.ShiftModifier)
delta = 10.0;
if (event.key === Qt.Key_Down)
delta = -delta;
slider.value = Number(slider.value + delta).toFixed(doubleValidator.decimals);
}
wheelCommitTimer.stop();
if (!rateLimiter.running)
rateLimiter.start();
textField.setTextFieldValue();
}
}
Slider {
id: slider
leftPadding: 0
background: Rectangle {
x: slider.leftPadding
y: slider.topPadding + slider.availableHeight / 2 - height / 2
implicitWidth: _valueWidth / 2 - 5
implicitHeight: 6
height: implicitHeight
radius: 2
color: _studioColor2
}
handle: Rectangle {
x: slider.leftPadding + slider.visualPosition * slider.availableWidth
y: slider.topPadding + slider.availableHeight / 2 - height / 2
implicitWidth: 6
implicitHeight: 12
color: _studioColor3
radius: 2
}
from: 0
to: 100
stepSize: root.intSlider ? 1 : sliderStepFromRange(slider.to, slider.from, 100)
snapMode: root.intSlider ? Slider.SnapAlways : Slider.NoSnap
function sliderStepFromRange(top, bottom, steps) {
return ((top - bottom) / steps);
}
onMoved: {
wheelCommitTimer.stop();
if (!rateLimiter.running)
rateLimiter.start();
textField.setTextFieldValue();
}
// onPressedChanged is triggered both mouse clicks and arrow keys, so adjusting with arrow
// keys will create undo point for each tick slider moves (even when holding the key down)
onPressedChanged: {
if (!pressed)
root.doCommitValue();
}
MouseArea {
anchors.fill: parent
acceptedButtons: Qt.NoButton
onWheel: {
var delta = (wheel.angleDelta.x != 0) ? wheel.angleDelta.x
: wheel.angleDelta.y;
if (delta > 0)
slider.increase();
else
slider.decrease();
if (!rateLimiter.running)
rateLimiter.start();
textField.setTextFieldValue();
// Leaving a transaction open can interfere with other editor functionality,
// so commit the wheel transaction after a brief delay
wheelCommitTimer.restart();
}
Timer {
id: wheelCommitTimer
interval: 1000
onTriggered: {
root.doCommitValue();
}
}
}
}
Timer {
id: rateLimiter
interval: 10
onTriggered: {
root.previewValue();
}
}
DoubleValidator {
id: doubleValidator
decimals: decimalSlider
bottom: slider.from
top: slider.to
locale: "C"
}
IntValidator {
id: intValidator
bottom: slider.from
top: slider.to
}
StyledTextField {
id: textField
height: _controlBaseHeight
width: _valueWidth / 2
text: intSlider ? slider.value.toFixed(0) : slider.value.toFixed(decimalSlider)
validator: intSlider ? intValidator : doubleValidator
onTextEdited: {
if (!intSlider && text.search(",")) {
text = text.replace(",",".")
}
if (intSlider) {
// handle limiting integer values when entered value is less than
// minimum value since IntValidator doesn't handle this
if (text.length >= sliderMin.toString().length && text < sliderMin)
text = text.substring(0, text.length - 1)
}
}
onEditingFinished: {
if (text > sliderMax)
text = sliderMax
else if (text < sliderMin)
text = sliderMin
slider.value = text
root.doCommitValue();
}
function setTextFieldValue() {
text = intSlider ? slider.value.toFixed(0) : slider.value.toFixed(decimalSlider)
}
onActiveFocusChanged: {
if (!activeFocus)
setTextFieldValue()
}
}
}
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