From 684ff50ef4931aeb8cfb15c5a2d62e55520f04a5 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Thu, 21 Mar 2024 10:50:23 +1100
Subject: Add support for screens declaring that they can't be popped

Needed as prep for usb msc support; you really shouldn't leave the MSC
settings screen until you've disabled usb msc.
---
 src/ui/include/screen.hpp        | 2 ++
 src/ui/include/screen_lua.hpp    | 2 ++
 src/ui/include/screen_splash.hpp | 2 ++
 3 files changed, 6 insertions(+)

(limited to 'src/ui/include')

diff --git a/src/ui/include/screen.hpp b/src/ui/include/screen.hpp
index 4241c712..40284fda 100644
--- a/src/ui/include/screen.hpp
+++ b/src/ui/include/screen.hpp
@@ -43,6 +43,8 @@ class Screen {
     return group_;
   }
 
+  virtual auto canPop() -> bool = 0;
+
  protected:
   lv_obj_t* const root_;
   lv_obj_t* content_;
diff --git a/src/ui/include/screen_lua.hpp b/src/ui/include/screen_lua.hpp
index 0ed3a508..41d97a1e 100644
--- a/src/ui/include/screen_lua.hpp
+++ b/src/ui/include/screen_lua.hpp
@@ -21,6 +21,8 @@ class Lua : public Screen {
   auto onShown() -> void override;
   auto onHidden() -> void override;
 
+  auto canPop() -> bool override;
+
   auto SetObjRef(lua_State*) -> void;
 
  private:
diff --git a/src/ui/include/screen_splash.hpp b/src/ui/include/screen_splash.hpp
index 1ee7dd89..6e746345 100644
--- a/src/ui/include/screen_splash.hpp
+++ b/src/ui/include/screen_splash.hpp
@@ -20,6 +20,8 @@ class Splash : public Screen {
   Splash();
   ~Splash();
 
+  auto canPop() -> bool override { return false; }
+
  private:
   lv_obj_t* container_;
   lv_obj_t* label_;
-- 
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