Files
z-bar-qt/Components/VerticalFadeFlickable.qml

75 lines
1.6 KiB
QML

pragma ComponentBehavior: Bound
import QtQuick
import Quickshell
import qs.Effects
CustomFlickable {
id: root
property real bottomFadeOpacity: fadeShouldBeActive(false) ? 0 : 1
property real fadeAmount: 0.1
property real topFadeOpacity: fadeShouldBeActive(true) ? 0 : 1
readonly property real dpr: Math.ceil((QsWindow.window as QsWindow)?.devicePixelRatio ?? 1)
function fadeShouldBeActive(isStart: bool): bool {
// When content is smaller than flickable size, hide fade when rebound starts
if (contentHeight + topMargin + bottomMargin < height && rebound.running && ((isStart ? verticalOvershoot > 0 : verticalOvershoot < 0)))
return false;
if (isStart)
return visibleArea.yPosition > 0;
return visibleArea.yPosition + visibleArea.heightRatio < 1;
}
flickableDirection: Flickable.VerticalFlick
layer.enabled: true
Behavior on bottomFadeOpacity {
Anim {
type: Anim.SlowEffects
}
}
layer.textureSize: Qt.size(width * dpr, height * dpr)
layer.effect: Mask {
maskSource: mask
Rectangle {
id: mask
anchors.fill: parent
layer.enabled: true
visible: false
gradient: Gradient {
orientation: Gradient.Vertical
GradientStop {
color: Qt.rgba(0, 0, 0, root.topFadeOpacity)
position: 0
}
GradientStop {
color: Qt.rgba(0, 0, 0, 1)
position: root.fadeAmount
}
GradientStop {
color: Qt.rgba(0, 0, 0, 1)
position: 1 - root.fadeAmount
}
GradientStop {
color: Qt.rgba(0, 0, 0, root.bottomFadeOpacity)
position: 1
}
}
}
}
Behavior on topFadeOpacity {
Anim {
type: Anim.SlowEffects
}
}
}