Add long press action on PC view for touchscreens

app/gui/PcView.qml

@@ -186,10 +186,7 @@ GridView {
             }
         }
 
-        MouseArea {
-            anchors.fill: parent
-            acceptedButtons: Qt.RightButton;
-            onClicked: {
+        onPressAndHold: {
             if (!model.addPc) {
                 // popup() ensures the menu appears under the mouse cursor
                 if (pcContextMenu.popup) {
@@ -201,6 +198,13 @@ GridView {
                 }
             }
         }
+
+        MouseArea {
+            anchors.fill: parent
+            acceptedButtons: Qt.RightButton;
+            onClicked: {
+                parent.onPressAndHold()
+            }
         }
 
         Keys.onMenuPressed: {