fix(touchpad): differentiate scroll speed between touchpad and mouse wheel

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

@@ -1,6 +1,24 @@
 import QtQuick
 
 Flickable {
+    id: root
     maximumFlickVelocity: 3500
     boundsBehavior: Flickable.DragOverBounds
+
+    property real touchpadScrollFactor: 100
+    property real mouseScrollFactor: 50 
+
+    MouseArea {
+        anchors.fill: parent
+        acceptedButtons: Qt.NoButton
+        onWheel: function(wheelEvent) {
+            var delta = wheelEvent.angleDelta.y / 120;
+            // 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) >= 120 ? root.mouseScrollFactor : root.touchpadScrollFactor;
+            var targetY = root.contentY - delta * scrollFactor;
+            targetY = Math.max(0, Math.min(targetY, root.contentHeight - root.height));
+            root.contentY = targetY;
+        }
+    }
 }

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

@@ -15,6 +15,9 @@ ListView {
     property real dragDistance: 0
     property bool popin: true
 
+    property real touchpadScrollFactor: 100
+    property real mouseScrollFactor: 50
+
     function resetDrag() {
         root.dragIndex = -1
         root.dragDistance = 0
@@ -23,6 +26,20 @@ ListView {
     maximumFlickVelocity: 3500
     boundsBehavior: Flickable.DragOverBounds
 
+    MouseArea {
+        anchors.fill: parent
+        acceptedButtons: Qt.NoButton
+        onWheel: function(wheelEvent) {
+            var delta = wheelEvent.angleDelta.y / 120;
+            // 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) >= 120 ? root.mouseScrollFactor : root.touchpadScrollFactor;
+            var targetY = root.contentY - delta * scrollFactor;
+            targetY = Math.max(0, Math.min(targetY, root.contentHeight - root.height));
+            root.contentY = targetY;
+        }
+    }
+
     add: Transition {
         animations: [
             Appearance?.animation.elementMove.numberAnimation.createObject(this, {

.config/quickshell/ii/modules/sidebarLeft/AiChat.qml

@@ -282,6 +282,9 @@ Inline w/ backslash and round brackets \\(e^{i\\pi} + 1 = 0\\)
                 spacing: 10
                 popin: false
 
+                touchpadScrollFactor: 600
+                mouseScrollFactor: 200
+
                 property int lastResponseLength: 0
 
                 clip: true

.config/quickshell/ii/modules/sidebarLeft/Anime.qml

@@ -137,6 +137,9 @@ Item {
                 anchors.fill: parent
                 spacing: 10
                 
+                touchpadScrollFactor: 600
+                mouseScrollFactor: 200
+
                 property int lastResponseLength: 0
 
                 clip: true