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import QtQuick
import qs.Common
import qs.Widgets
Item {
id: slider
property int value: 50
property int minimum: 0
property int maximum: 100
property int step: 1
property string leftIcon: ""
property string rightIcon: ""
property bool enabled: true
property string unit: "%"
property bool showValue: true
property bool isDragging: false
property bool wheelEnabled: true
property bool centerMinimum: false
property real valueOverride: -1
property bool alwaysShowValue: false
readonly property bool containsMouse: sliderMouseArea.containsMouse
property color thumbOutlineColor: Theme.surfaceContainer
property color trackColor: enabled ? Theme.outline : Theme.outline
signal sliderValueChanged(int newValue)
signal sliderDragFinished(int finalValue)
height: 48
function updateValueFromPosition(x) {
let ratio = Math.max(0, Math.min(1, (x - sliderHandle.width / 2) / (sliderTrack.width - sliderHandle.width)));
if (centerMinimum)
ratio = Math.max(0, (ratio - 0.5) * 2);
let rawValue = minimum + ratio * (maximum - minimum);
let newValue = step > 1 ? Math.round(rawValue / step) * step : Math.round(rawValue);
newValue = Math.max(minimum, Math.min(maximum, newValue));
if (newValue !== value) {
value = newValue;
sliderValueChanged(newValue);
}
}
Row {
anchors.centerIn: parent
width: parent.width
spacing: Theme.spacingM
DankIcon {
name: slider.leftIcon
size: Theme.iconSize
color: slider.enabled ? Theme.surfaceText : Theme.onSurface_38
anchors.verticalCenter: parent.verticalCenter
visible: slider.leftIcon.length > 0
}
StyledRect {
id: sliderTrack
property int leftIconWidth: slider.leftIcon.length > 0 ? Theme.iconSize : 0
property int rightIconWidth: slider.rightIcon.length > 0 ? Theme.iconSize : 0
width: parent.width - (leftIconWidth + rightIconWidth + (slider.leftIcon.length > 0 ? Theme.spacingM : 0) + (slider.rightIcon.length > 0 ? Theme.spacingM : 0))
height: 12
radius: Theme.cornerRadius
color: slider.trackColor
anchors.verticalCenter: parent.verticalCenter
clip: false
StyledRect {
id: sliderFill
height: parent.height
radius: Theme.cornerRadius
width: {
const range = slider.maximum - slider.minimum;
const rawRatio = range === 0 ? 0 : (slider.value - slider.minimum) / range;
const ratio = slider.centerMinimum ? (0.5 + rawRatio * 0.5) : rawRatio;
const travel = sliderTrack.width - sliderHandle.width;
const center = (travel * ratio) + sliderHandle.width / 2;
return Math.max(0, Math.min(sliderTrack.width, center));
}
color: slider.enabled ? Theme.primary : Theme.withAlpha(Theme.onSurface, 0.12)
}
StyledRect {
id: sliderHandle
property bool active: sliderMouseArea.containsMouse || sliderMouseArea.pressed || slider.isDragging
width: 8
height: 24
radius: Theme.cornerRadius
x: {
const range = slider.maximum - slider.minimum;
const rawRatio = range === 0 ? 0 : (slider.value - slider.minimum) / range;
const ratio = slider.centerMinimum ? (0.5 + rawRatio * 0.5) : rawRatio;
const travel = sliderTrack.width - width;
return Math.max(0, Math.min(travel, travel * ratio));
}
anchors.verticalCenter: parent.verticalCenter
color: slider.enabled ? Theme.primary : Theme.withAlpha(Theme.onSurface, 0.12)
border.width: 3
border.color: slider.thumbOutlineColor
StyledRect {
anchors.fill: parent
radius: Theme.cornerRadius
color: Theme.onPrimary
opacity: slider.enabled ? (sliderMouseArea.pressed ? 0.16 : (sliderMouseArea.containsMouse ? 0.08 : 0)) : 0
visible: opacity > 0
}
StyledRect {
anchors.centerIn: parent
width: parent.width + 20
height: parent.height + 20
radius: width / 2
color: "transparent"
border.width: 2
border.color: Theme.primary
opacity: slider.enabled && slider.focus ? 0.3 : 0
visible: opacity > 0
}
Rectangle {
id: ripple
anchors.centerIn: parent
width: 0
height: 0
radius: width / 2
color: Theme.onPrimary
opacity: 0
function start() {
opacity = 0.16;
width = 0;
height = 0;
rippleAnimation.start();
}
SequentialAnimation {
id: rippleAnimation
NumberAnimation {
target: ripple
properties: "width,height"
to: 28
duration: 180
}
NumberAnimation {
target: ripple
property: "opacity"
to: 0
duration: 150
}
}
}
TapHandler {
acceptedButtons: Qt.LeftButton
onPressedChanged: {
if (pressed && slider.enabled) {
ripple.start();
}
}
}
scale: active ? 1.05 : 1.0
Behavior on scale {
NumberAnimation {
duration: Theme.shortDuration
easing.type: Theme.standardEasing
}
}
}
Item {
id: sliderContainer
anchors.fill: parent
MouseArea {
id: sliderMouseArea
property bool isDragging: false
anchors.fill: parent
anchors.topMargin: -10
anchors.bottomMargin: -10
hoverEnabled: true
cursorShape: enabled ? Qt.PointingHandCursor : Qt.ArrowCursor
enabled: slider.enabled
preventStealing: true
acceptedButtons: Qt.LeftButton
onWheel: wheelEvent => {
if (!slider.wheelEnabled) {
wheelEvent.accepted = false;
return;
}
let wheelStep = slider.step > 1 ? slider.step : Math.max(1, (maximum - minimum) / 100);
let newValue = wheelEvent.angleDelta.y > 0 ? Math.min(maximum, value + wheelStep) : Math.max(minimum, value - wheelStep);
if (slider.step > 1)
newValue = Math.round(newValue / slider.step) * slider.step;
newValue = Math.round(newValue);
if (newValue !== value) {
value = newValue;
sliderValueChanged(newValue);
}
wheelEvent.accepted = true;
}
onPressed: mouse => {
if (slider.enabled) {
slider.isDragging = true;
sliderMouseArea.isDragging = true;
updateValueFromPosition(mouse.x);
}
}
onReleased: {
if (slider.enabled) {
slider.isDragging = false;
sliderMouseArea.isDragging = false;
slider.sliderDragFinished(slider.value);
}
}
onPositionChanged: mouse => {
if (pressed && slider.isDragging && slider.enabled) {
updateValueFromPosition(mouse.x);
}
}
onClicked: mouse => {
if (slider.enabled && !slider.isDragging) {
updateValueFromPosition(mouse.x);
}
}
}
}
StyledRect {
id: valueTooltip
width: tooltipText.reservedWidth + Theme.spacingS * 2
height: tooltipText.contentHeight + Theme.spacingXS * 2
radius: Theme.cornerRadius
color: Theme.surfaceContainer
border.color: Theme.outline
border.width: 1
anchors.bottom: parent.top
anchors.bottomMargin: Theme.spacingM
x: Math.max(0, Math.min(parent.width - width, sliderHandle.x + sliderHandle.width / 2 - width / 2))
visible: slider.alwaysShowValue ? slider.showValue : ((sliderMouseArea.containsMouse && slider.showValue) || (slider.isDragging && slider.showValue))
opacity: visible ? 1 : 0
NumericText {
id: tooltipText
text: (slider.valueOverride >= 0 ? Math.round(slider.valueOverride) : slider.value) + slider.unit
reserveText: {
let widest = "";
const samples = [slider.minimum, slider.maximum];
if (slider.valueOverride >= 0)
samples.push(slider.valueOverride);
for (let i = 0; i < samples.length; i++) {
const candidate = Math.round(samples[i]) + slider.unit;
if (candidate.length > widest.length)
widest = candidate;
}
return widest;
}
font.pixelSize: Theme.fontSizeSmall
color: Theme.surfaceText
font.weight: Font.Medium
anchors.centerIn: parent
font.hintingPreference: Font.PreferFullHinting
}
Behavior on opacity {
NumberAnimation {
duration: Theme.shortDuration
easing.type: Theme.standardEasing
}
}
}
}
DankIcon {
name: slider.rightIcon
size: Theme.iconSize
color: slider.enabled ? Theme.surfaceText : Theme.onSurface_38
anchors.verticalCenter: parent.verticalCenter
visible: slider.rightIcon.length > 0
}
}
}
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