From 4ca56ec9cb55cffb73cad0dbbc26a21adb4c5dae Mon Sep 17 00:00:00 2001
From: HarukiToreda <116696711+HarukiToreda@users.noreply.github.com>
Date: Mon, 13 Oct 2025 16:09:46 -0400
Subject: [PATCH] Fn symbol code removed

---
 src/graphics/Screen.cpp              | 26 --------------------------
 src/graphics/Screen.h                |  5 -----
 src/modules/SystemCommandsModule.cpp |  3 ---
 3 files changed, 34 deletions(-)

diff --git a/src/graphics/Screen.cpp b/src/graphics/Screen.cpp
index 18d9a806e..4796e68c9 100644
--- a/src/graphics/Screen.cpp
+++ b/src/graphics/Screen.cpp
@@ -113,10 +113,6 @@ uint32_t dopThresholds[5] = {2000, 1000, 500, 200, 100};
 // we'll need to hold onto pointers for the modules that can draw a frame.
 std::vector<MeshModule *> moduleFrames;
 
-// Global variables for screen function overlay symbols
-std::vector<std::string> functionSymbol;
-std::string functionSymbolString;
-
 #if HAS_GPS
 // GeoCoord object for the screen
 GeoCoord geoCoord;
@@ -1300,28 +1296,6 @@ void Screen::decreaseBrightness()
     /* TO DO: add little popup in center of screen saying what brightness level it is set to*/
 }
 
-void Screen::setFunctionSymbol(std::string sym)
-{
-    if (std::find(functionSymbol.begin(), functionSymbol.end(), sym) == functionSymbol.end()) {
-        functionSymbol.push_back(sym);
-        functionSymbolString = "";
-        for (auto symbol : functionSymbol) {
-            functionSymbolString = symbol + " " + functionSymbolString;
-        }
-        setFastFramerate();
-    }
-}
-
-void Screen::removeFunctionSymbol(std::string sym)
-{
-    functionSymbol.erase(std::remove(functionSymbol.begin(), functionSymbol.end(), sym), functionSymbol.end());
-    functionSymbolString = "";
-    for (auto symbol : functionSymbol) {
-        functionSymbolString = symbol + " " + functionSymbolString;
-    }
-    setFastFramerate();
-}
-
 void Screen::handleOnPress()
 {
     // If screen was off, just wake it, otherwise advance to next frame
diff --git a/src/graphics/Screen.h b/src/graphics/Screen.h
index 5defbc4e7..6f6814203 100644
--- a/src/graphics/Screen.h
+++ b/src/graphics/Screen.h
@@ -54,8 +54,6 @@ class Screen
     void startFirmwareUpdateScreen() {}
     void increaseBrightness() {}
     void decreaseBrightness() {}
-    void setFunctionSymbol(std::string) {}
-    void removeFunctionSymbol(std::string) {}
     void startAlert(const char *) {}
     void showSimpleBanner(const char *message, uint32_t durationMs = 0) {}
     void showOverlayBanner(BannerOverlayOptions) {}
@@ -341,9 +339,6 @@ class Screen : public concurrency::OSThread
     void increaseBrightness();
     void decreaseBrightness();
 
-    void setFunctionSymbol(std::string sym);
-    void removeFunctionSymbol(std::string sym);
-
     /// Stops showing the boot screen.
     void stopBootScreen() { enqueueCmd(ScreenCmd{.cmd = Cmd::STOP_BOOT_SCREEN}); }
 
diff --git a/src/modules/SystemCommandsModule.cpp b/src/modules/SystemCommandsModule.cpp
index 3a73e309e..1e6d5523e 100644
--- a/src/modules/SystemCommandsModule.cpp
+++ b/src/modules/SystemCommandsModule.cpp
@@ -30,10 +30,7 @@ int SystemCommandsModule::handleInputEvent(const InputEvent *event)
     switch (event->kbchar) {
     // Fn key symbols
     case INPUT_BROKER_MSG_FN_SYMBOL_ON:
-        IF_SCREEN(screen->setFunctionSymbol("Fn"));
-        return 0;
     case INPUT_BROKER_MSG_FN_SYMBOL_OFF:
-        IF_SCREEN(screen->removeFunctionSymbol("Fn"));
         return 0;
     // Brightness
     case INPUT_BROKER_MSG_BRIGHTNESS_UP: