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

2025-08-07 22:26:26 +08:00
parent f8d162d995
commit 86ddb61a3f
4 changed files with 41 additions and 0 deletions
@@ -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;
+        }
+    }
 }