qml: android back-gesture conflict hack not working on qt6, replace with simple properties

electrum/gui/qml/components/controls/ElListView.qml

@@ -1,40 +1,27 @@
-import QtQuick 2.6
-import QtQuick.Layouts 1.0
-import QtQuick.Controls 2.0
-import QtQuick.Controls.Material 2.0
+import QtQuick
+import QtQuick.Layouts
+import QtQuick.Controls
+import QtQuick.Controls.Material
 
 ListView {
     id: root
 
-    property int width_left_exclusion_zone: 0
-    property int width_right_exclusion_zone: 0
+    // avoid interference with android back-gesture by defining deadzones
+    // you can override to 0 if listview is away from left or right edge.
+    property int exclusionZone: constants.fingerWidth / 2
+    property int leftExclusionZone: exclusionZone
+    property int rightExclusionZone: exclusionZone
 
     MouseArea {
         anchors {top: root.top; left: root.left; bottom: root.bottom }
-        visible: width_left_exclusion_zone > 0
-        width: width_left_exclusion_zone
+        visible: leftExclusionZone > 0
+        width: leftExclusionZone
     }
 
     MouseArea {
         anchors { top: root.top; right: root.right; bottom: root.bottom }
-        visible: width_right_exclusion_zone > 0
-        width: width_right_exclusion_zone
+        visible: rightExclusionZone > 0
+        width: rightExclusionZone
     }
 
-    // determine distance from sides of window and reserve some
-    // space using noop mouseareas in order to not emit clicks when
-    // android back gesture is used
-    function layoutExclusionZones() {
-        var reserve = constants.fingerWidth / 2
-        var p = root.mapToGlobal(0, 0)  // note: coords on whole *screen*, not just window
-        width_left_exclusion_zone = Math.max(0, reserve - p.x)
-        p = root.mapToGlobal(width, 0)
-        width_right_exclusion_zone = Math.max(0, reserve - (app.width - p.x))
-    }
-
-    Component.onCompleted: {
-        if (AppController.isAndroid()) {
-            layoutExclusionZones()
-        }
-    }
 }