Allow toggling sleepcover handling from the UI

frontend/ui/elements/common_settings_menu_table.lua

@@ -138,6 +138,18 @@ if Device:isCervantes() or Device:isKobo() or Device:isSDL() or Device:isSonyPRS
     }
 end
 
+if Device:isKobo() then
+    common_settings.sleepcover = {
+        text = _("Ignore sleepcover events"),
+        checked_func = function()
+            return G_reader_settings:isTrue("ignore_power_sleepcover")
+        end,
+        callback = function()
+            G_reader_settings:flipNilOrFalse("ignore_power_sleepcover")
+        end
+    }
+end
+
 common_settings.night_mode = {
     text = _("Night mode"),
     checked_func = function() return G_reader_settings:readSetting("night_mode") end,

frontend/ui/elements/filemanager_menu_order.lua

@@ -40,6 +40,7 @@ local order = {
         "time",
         "battery",
         "autosuspend",
+        "sleepcover",
         "mass_storage_settings",
     },
     navigation = {

frontend/ui/elements/reader_menu_order.lua

@@ -60,6 +60,7 @@ local order = {
         "time",
         "battery",
         "autosuspend",
+        "sleepcover",
         "mass_storage_settings",
     },
     navigation = {