Warning, /office/klevernotes/src/contents/ui/dialogs/colorDialog/LightnessSlider.qml is written in an unsupported language. File is not indexed.

 // SPDX-License-Identifier: GPL-2.0-or-later
 // SPDX-FileCopyrightText: 2023 Louis Schul <schul9louis@gmail.com>
 
 import QtQuick 2.11
 
 Item {
     id: lightSlider
 
     property real l
     property int cursorHeight: 7
 
     Rectangle {
         id: gradientRect
 
         y: 10
         width: parent.width
         height: parent.height - 20
 
         gradient: Gradient {
             GradientStop { position: 0.0; color: "#FFFFFFFF" }
             GradientStop { position: 1.0; color: "#FF000000" }
         }
 
         Item {
             id: pickerCursor
 
             width: parent.width
 
             Rectangle {
                 property real cal: (gradientRect.height - (gradientRect.height * lightSlider.l))
 
                 x: -2;
                 y: Math.min(cal, gradientRect.height)
                 width: parent.width + 4; height: cursorHeight
 
                 color: "transparent"
                 border.color: (lightSlider.l > 50) ? "black" : "white"
                 border.width: 2
             }
         }
 
         MouseArea {
             id: mouseArea
 
             anchors.fill: parent
 
             onPressed: {
                 handleMouse(mouse)
             }
             onPositionChanged: {
                 handleMouse(mouse)
             }
 
             function handleMouse(mouse) {
                 if (mouse.buttons & Qt.LeftButton) {
                     const currentY = Math.max(0, Math.min(height, mouse.y))
 
                     lightSlider.l = (height-currentY)/height
                 }
             }
         }
     }
 }