87 lines
2.5 KiB
QML
87 lines
2.5 KiB
QML
import QtQuick 2.3
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Item {
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id: root
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property int brightness: min
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property int min: 0
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property int max: 100
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property Component touchDelegate: Rectangle { height: root.height; width: 5; color: app.foregroundColor }
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property bool active: true
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property bool pressed: mouseArea.pressed
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signal moved(real brightness);
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Rectangle {
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height: parent.width
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width: parent.height
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anchors.centerIn: parent
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rotation: -90
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border.width: 1
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border.color: app.foregroundColor
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gradient: Gradient {
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GradientStop { position: 0.0; color: Qt.rgba(0, 0, 0, .5) }
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GradientStop { position: 1.0; color: Qt.rgba(1, 1, 1, .5) }
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}
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}
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Loader {
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id: touchDelegateLoader
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// 0 : width = min : max
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// x = (width * (brightness - min) / (max-min))
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property int position: (root.width * (root.brightness - root.min) / (root.max - root.min));
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x: item ? Math.max(0, Math.min(position - width * .5, parent.width - item.width)) : 0
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sourceComponent: root.touchDelegate
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visible: !mouseArea.pressed && root.active
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Behavior on x {
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enabled: !mouseArea.pressed
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NumberAnimation {}
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}
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}
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MouseArea {
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id: mouseArea
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anchors.fill: parent
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preventStealing: true
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drag.minimumX: 0
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drag.maximumX: width - dndItem.width
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drag.minimumY: 0
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drag.maximumY: height - dndItem.height
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property var lastSentTime: new Date()
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onPressed: {
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dndItem.x = Math.min(width - dndItem.width, Math.max(0, mouseX - dndItem.width / 2))
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dndItem.y = 0;
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mouseArea.drag.target = dndItem;
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}
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onPositionChanged: {
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root.brightness = Math.min(root.max, Math.max(root.min, (mouseX * (root.max - root.min) / width) + root.min))
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var currentTime = new Date();
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if (pressed && currentTime - lastSentTime > 200) {
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root.moved(root.brightness)
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lastSentTime = currentTime
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}
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}
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onReleased: {
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root.brightness = Math.min(root.max, Math.max(root.min, (mouseX * (root.max - root.min) / width) + root.min))
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root.moved(root.brightness)
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mouseArea.drag.target = undefined;
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}
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}
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Loader {
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id: dndItem
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sourceComponent: root.touchDelegate
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visible: mouseArea.pressed && root.active
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}
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}
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