make scrolling accumulate properly

.config/quickshell/ii/modules/common/widgets/StyledFlickable.qml

@@ -9,6 +9,8 @@ Flickable {
     property real touchpadScrollFactor: Config?.options.interactions.scrolling.touchpadScrollFactor ?? 100
     property real mouseScrollFactor: Config?.options.interactions.scrolling.mouseScrollFactor ?? 50
     property real mouseScrollDeltaThreshold: Config?.options.interactions.scrolling.mouseScrollDeltaThreshold ?? 120
+    // Accumulated scroll destination so wheel deltas stack while animating
+    property real scrollTargetY: 0
 
     MouseArea {
         visible: Config?.options.interactions.scrolling.fasterTouchpadScroll
@@ -16,12 +18,17 @@ Flickable {
         acceptedButtons: Qt.NoButton
         onWheel: function(wheelEvent) {
             const delta = wheelEvent.angleDelta.y / root.mouseScrollDeltaThreshold;
-            // The angleDelta.y of a touchpad is usually small and continuous, 
+            // The angleDelta.y of a touchpad is usually small and continuous,
             // while that of a mouse wheel is typically in multiples of ±120.
             var scrollFactor = Math.abs(wheelEvent.angleDelta.y) >= root.mouseScrollDeltaThreshold ? root.mouseScrollFactor : root.touchpadScrollFactor;
-            var targetY = root.contentY - delta * scrollFactor;
+
-            targetY = Math.max(0, Math.min(targetY, root.contentHeight - root.height));
+            const maxY = Math.max(0, root.contentHeight - root.height);
+            const base = scrollAnim.running ? root.scrollTargetY : root.contentY;
+            var targetY = Math.max(0, Math.min(base - delta * scrollFactor, maxY));
+
+            root.scrollTargetY = targetY;
             root.contentY = targetY;
+            wheelEvent.accepted = true;
         }
     }
 
@@ -33,4 +40,11 @@ Flickable {
             easing.bezierCurve: Appearance.animation.scroll.bezierCurve
         }
     }
+
+    // Keep target synced when not animating (e.g., drag/flick or programmatic changes)
+    onContentYChanged: {
+        if (!scrollAnim.running) {
+            root.scrollTargetY = root.contentY;
+        }
+    }
 }

.config/quickshell/ii/modules/common/widgets/StyledListView.qml

@@ -14,6 +14,8 @@ ListView {
     property int dragIndex: -1
     property real dragDistance: 0
     property bool popin: true
+    // Accumulated scroll destination so wheel deltas stack while animating
+    property real scrollTargetY: 0
 
     property real touchpadScrollFactor: Config?.options.interactions.scrolling.touchpadScrollFactor ?? 100
     property real mouseScrollFactor: Config?.options.interactions.scrolling.mouseScrollFactor ?? 50
@@ -33,12 +35,17 @@ ListView {
         acceptedButtons: Qt.NoButton
         onWheel: function(wheelEvent) {
             const delta = wheelEvent.angleDelta.y / root.mouseScrollDeltaThreshold;
-            // The angleDelta.y of a touchpad is usually small and continuous, 
+            // The angleDelta.y of a touchpad is usually small and continuous,
             // while that of a mouse wheel is typically in multiples of ±120.
             var scrollFactor = Math.abs(wheelEvent.angleDelta.y) >= root.mouseScrollDeltaThreshold ? root.mouseScrollFactor : root.touchpadScrollFactor;
-            var targetY = root.contentY - delta * scrollFactor;
+
-            targetY = Math.max(0, Math.min(targetY, root.contentHeight - root.height));
+            const maxY = Math.max(0, root.contentHeight - root.height);
+            const base = scrollAnim.running ? root.scrollTargetY : root.contentY;
+            var targetY = Math.max(0, Math.min(base - delta * scrollFactor, maxY));
+
+            root.scrollTargetY = targetY;
             root.contentY = targetY;
+            wheelEvent.accepted = true;
         }
     }
 
@@ -51,6 +58,13 @@ ListView {
         }
     }
 
+    // Keep target synced when not animating (e.g., drag/flick or programmatic changes)
+    onContentYChanged: {
+        if (!scrollAnim.running) {
+            root.scrollTargetY = root.contentY;
+        }
+    }
+
     add: Transition {
         animations: [
             Appearance?.animation.elementMove.numberAnimation.createObject(this, {