Add kineticScrollingMaxSpeed setting

src/backend/user_files.py

@@ -240,6 +240,7 @@ class UISettings(JSONDataFile):
             "hideProfileChangeEvents": True,
             "hideMembershipEvents": False,
             "hideUnknownEvents": True,
+            "kineticScrollingMaxSpeed": 2500,
             "markRoomReadMsecDelay": 200,
             "maxMessageCharactersPerLine": 65,
             "ownMessagesOnLeftAboveWidth": 895,

src/gui/Base/HGridView.qml

@@ -14,7 +14,7 @@ GridView {
     preferredHighlightBegin: height / 2 - currentItemHeight / 2
     preferredHighlightEnd: height / 2 + currentItemHeight / 2
 
-    maximumFlickVelocity: 4000
+    maximumFlickVelocity: window.settings.kineticScrollingMaxSpeed
 
 
     highlight: Rectangle {

src/gui/Base/HKineticScrollingDisabler.qml

@@ -56,7 +56,7 @@ MouseArea {
     Binding {
         target: flickable
         property: "maximumFlickVelocity"
-        value: mouseArea.enabled ? 0 : 4000.0
+        value: mouseArea.enabled ? 0 : window.settings.kineticScrollingMaxSpeed
     }
 
     Binding {

src/gui/Base/HListView.qml

@@ -15,7 +15,7 @@ ListView {
     preferredHighlightBegin: height / 2 - currentItemHeight / 2
     preferredHighlightEnd: height / 2 + currentItemHeight / 2
 
-    maximumFlickVelocity: 4000
+    maximumFlickVelocity: window.settings.kineticScrollingMaxSpeed
 
 
     highlight: Rectangle {