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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Graphical Effects module.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 2.12
Item {
id: colorSlider
property real value: 1
property real maximum: 1
property real minimum: 0
property string caption: ""
property bool pressed: mouseArea.pressed
property bool integer: false
property string handleSource: "images/slider_handle.png"
property real handleOpacity: 1.0
property alias trackItem: track.children
width: parent.width
height: 20
function updatePos() {
if (maximum > minimum) {
var pos = (track.width - 10) * (value - minimum) / (maximum - minimum) + 5;
return Math.min(Math.max(pos, 5), track.width - 5) - 10;
} else {
return 5;
}
}
Text {
id: captionText
width: 110
anchors.verticalCenter: parent.verticalCenter
horizontalAlignment: Text.AlignRight
text: colorSlider.caption + ':'
font.family: "Arial"
font.pixelSize: 11
color: "#B3B3B3"
}
Text {
id: valueCaption
anchors.left: captionText.right
anchors.leftMargin: 11
anchors.verticalCenter: parent.verticalCenter
width: 35
horizontalAlignment: Text.AlignLeft
text: colorSlider.value.toFixed(1)
font.family: "Arial"
font.pixelSize: 11
color: "#999999"
}
Item {
id: track
height: 4
anchors.verticalCenter: parent.verticalCenter
anchors.left: parent.left
anchors.leftMargin: parent.width / 2
anchors.right: parent.right
anchors.rightMargin: 10
Image {
id: handle;
anchors.verticalCenter: parent.verticalCenter
smooth: true
source: mouseArea.pressed ? 'images/slider_handle_pressed.png' : colorSlider.handleSource
opacity: colorSlider.handleOpacity
x: updatePos()
z: 1
}
MouseArea {
id: mouseArea
anchors {left: parent.left; right: parent.right; leftMargin: 5; rightMargin: 5; verticalCenter: parent.verticalCenter}
height: 8
preventStealing: true
onPressed: {
var handleX = Math.max(0, Math.min(mouseX, mouseArea.width))
var realValue = (maximum - minimum) * handleX / mouseArea.width + minimum;
value = colorSlider.integer ? Math.round(realValue) : realValue;
}
onPositionChanged: {
if (pressed) {
var handleX = Math.max(0, Math.min(mouseX, mouseArea.width))
var realValue = (maximum - minimum) * handleX / mouseArea.width + minimum;
value = colorSlider.integer ? Math.round(realValue) : realValue;
}
}
}
}
}
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