Warning, /plasma/plasma-workspace/lookandfeel/sddm-theme/dummydata/screenModel.qml is written in an unsupported language. File is not indexed.

 import QtQuick 2.15
 
 //NOTE: We do not implement a fully working dummy screenModel,
 //we only implement what's needed for a basic multi-monitor test
 
 ListModel {
     property int primary: 0
 
     //Creating multiple ListElement objects doesn't work, because a ListElement can only take numbers,
     //strings, booleans or enums, but we need a rect (it stores the screen size/position).
     //We can insert rects into the ListModel by using this workaround
     //It's taken from: https://stackoverflow.com/questions/20537417/add-statically-object-to-listmodel
 
     //We create two monitors here, the left one 800x600 and the right one 800x400 pixels
     //To disable a screen delete one of the "append" function calls
     Component.onCompleted: {
         append({
             name: "Screen 1",
             geometry: {x: 0, y: 0, width: 1600, height: 900},
         });
 
         append({
             name: "Screen 2",
             geometry: {x: 1980, y: 0, width: 1600, height: 900},
         });
     }
 
     function geometry() {
         //return the primary monitor size
         return Qt.rect(800, 0, 800, 400);
     }
 }