[Kobo] Enable wake on page turn buttons (#13669)

Adds menu items (toggles) and functionality to turn a kobo back on with the page turn buttons.

Fix #13668

frontend/device/input.lua

@@ -822,6 +822,15 @@ function Input:handlePowerManagementOnlyEv(ev)
         return keycode
     end
 
+    -- Treat page turn button like the latest kobo firmware when suspended
+    if G_reader_settings:isTrue("pageturn_power") then
+        if keycode == "RPgBack" or keycode == "LPgBack"
+        or keycode == "RPgFwd" or keycode == "LPgFwd" then
+            -- When suspended we pretend that the page turn button is a power button
+            return "PowerRelease"
+        end
+    end
+
     if self.fake_event_set[keycode] then
         if self.fake_event_args[keycode] then
             table.insert(self.fake_event_args[keycode], ev.value)

frontend/ui/elements/common_settings_menu_table.lua

@@ -237,6 +237,18 @@ if Device:isKobo() then
             UIManager:askForRestart()
         end
     }
+
+    if Device:hasKeys() and Device:isMTK() then
+        common_settings.pageturn_power = {
+            text = _("Wake up on page-turn button press"),
+            checked_func = function()
+                return G_reader_settings:isTrue("pageturn_power")
+            end,
+            callback = function()
+                G_reader_settings:flipNilOrFalse("pageturn_power")
+            end
+        }
+    end
 end
 
 if PowerD:hasHallSensor() then

frontend/ui/elements/filemanager_menu_order.lua

@@ -56,6 +56,7 @@ local order = {
         "autostandby",
         "autosuspend",
         "autoshutdown",
+        "pageturn_power", -- if Device:isKobo() and Device:hasKeys()
         "ignore_sleepcover",
         "ignore_open_sleepcover",
         "cover_events",

frontend/ui/elements/reader_menu_order.lua

@@ -104,6 +104,7 @@ local order = {
         "autostandby",
         "autosuspend",
         "autoshutdown",
+        "pageturn_power", -- if Device:isKobo() and Device:hasKeys()
         "ignore_sleepcover",
         "ignore_open_sleepcover",
         "cover_events",