noctalia-shell/Widgets/NSlider.qml
2025-08-10 14:39:25 -04:00

98 lines
2.9 KiB
QML

import QtQuick
import QtQuick.Controls
import QtQuick.Effects
import qs.Services
Slider {
id: root
readonly property real scaling: Scaling.scale(screen)
readonly property real knobDiameter: Style.baseWidgetSize * 0.75 * scaling
readonly property real trackHeight: knobDiameter * 0.5
readonly property real cutoutExtra: Style.baseWidgetSize * 0.1 * scaling
// Optional color to cut the track beneath the knob (should match surrounding background)
property var cutoutColor
property var screen
property bool snapAlways: true
snapMode: snapAlways ? Slider.SnapAlways : Slider.SnapOnRelease
implicitHeight: Math.max(trackHeight, knobDiameter)
background: Rectangle {
x: root.leftPadding
y: root.topPadding + root.availableHeight / 2 - height / 2
implicitWidth: Style.sliderWidth
implicitHeight: trackHeight
width: root.availableWidth
height: implicitHeight
radius: height / 2
color: Colors.surfaceVariant
Rectangle {
id: activeTrack
width: root.visualPosition * parent.width
height: parent.height
color: Colors.accentPrimary
radius: parent.radius
// Feels more responsive without animation
// Behavior on width {
// NumberAnimation {
// duration: 50
// easing.type: Easing.OutQuad
// }
// }
}
// Circular cutout
Rectangle {
id: knobCutout
width: knobDiameter + cutoutExtra
height: knobDiameter + cutoutExtra
radius: width / 2
color: root.cutoutColor !== undefined ? root.cutoutColor : Colors.backgroundPrimary
x: Math.max(0, Math.min(parent.width - width,
root.visualPosition * (parent.width - root.knobDiameter) - cutoutExtra / 2))
y: (parent.height - height) / 2
}
}
handle: Item {
width: knob.implicitWidth
height: knob.implicitHeight
x: root.leftPadding + root.visualPosition * (root.availableWidth - width)
y: root.topPadding + root.availableHeight / 2 - height / 2
// Subtle shadow for a more polished look (keeps theme colors)
MultiEffect {
anchors.fill: knob
source: knob
shadowEnabled: true
shadowColor: Colors.shadow
shadowOpacity: 0.25
shadowHorizontalOffset: 0
shadowVerticalOffset: 1
shadowBlur: 8
}
Rectangle {
id: knob
implicitWidth: knobDiameter
implicitHeight: knobDiameter
radius: width * 0.5
color: root.pressed ? Colors.surfaceVariant : Colors.surface
border.color: Colors.accentPrimary
border.width: Math.min(1, Style.borderThick * scaling)
// Press feedback halo (using accent color, low opacity)
Rectangle {
anchors.centerIn: parent
width: parent.width + 8 * scaling
height: parent.height + 8 * scaling
radius: width / 2
color: Colors.accentPrimary
opacity: root.pressed ? 0.16 : 0.0
}
}
}
}