From 7b3b635c6798e562415f45e21e9824b89514fe3a Mon Sep 17 00:00:00 2001
From: psf <77138753+pkmnsnfrn@users.noreply.github.com>
Date: Mon, 15 Jul 2024 10:06:01 -0700
Subject: [PATCH] Add AUTO_LOWERCASE_KEYBOARD (#4976)

* Added SwapKeyboardToLowerAfterFirstCapitalLetter and AUTO_LOWERCASE_KEYBOARD

* Fixed tabs and spacing per https://github.com/rh-hideout/pokeemerald-expansion/pull/4976/files\#r1677868397

* Removed semicolon found by https://github.com/rh-hideout/pokeemerald-expansion/pull/4976\#discussion_r1678105502
---
 include/config/general.h |  3 +++
 src/naming_screen.c      | 17 +++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/include/config/general.h b/include/config/general.h
index a374ee97a1..dc39f4919a 100644
--- a/include/config/general.h
+++ b/include/config/general.h
@@ -80,4 +80,7 @@
 #define UNITS                        UNITS_IMPERIAL
 #define CHAR_DEC_SEPARATOR           CHAR_PERIOD // CHAR_PERIOD is used as a decimal separator only in the UK and the US. The rest of the world uses CHAR_COMMA.
 
+// Naming Screen
+#define AUTO_LOWERCASE_KEYBOARD      GEN_LATEST  // Starting in GEN_6, after entering the first uppercase character, the keyboard switches to lowercase letters.
+
 #endif // GUARD_CONFIG_GENERAL_H
diff --git a/src/naming_screen.c b/src/naming_screen.c
index cd6105dce9..118d91cfb4 100644
--- a/src/naming_screen.c
+++ b/src/naming_screen.c
@@ -1436,6 +1436,7 @@ static void NamingScreen_CreateWaldaDadIcon(void)
 //--------------------------------------------------
 
 static bool8 KeyboardKeyHandler_Character(u8);
+static void SwapKeyboardToLowerAfterFirstCapitalLetter(void);
 static bool8 KeyboardKeyHandler_Page(u8);
 static bool8 KeyboardKeyHandler_Backspace(u8);
 static bool8 KeyboardKeyHandler_OK(u8);
@@ -1480,6 +1481,8 @@ static bool8 KeyboardKeyHandler_Character(u8 input)
     {
         bool8 textFull = AddTextCharacter();
 
+        SwapKeyboardToLowerAfterFirstCapitalLetter();
+
         SquishCursor();
         if (textFull)
         {
@@ -1490,6 +1493,20 @@ static bool8 KeyboardKeyHandler_Character(u8 input)
     return FALSE;
 }
 
+static void SwapKeyboardToLowerAfterFirstCapitalLetter(void)
+{
+    if (AUTO_LOWERCASE_KEYBOARD < GEN_6)
+        return;
+
+    if (sNamingScreen->currentPage != KBPAGE_LETTERS_UPPER)
+        return;
+
+    if (GetTextEntryPosition() != 1)
+        return;
+
+    MainState_StartPageSwap();
+}
+
 static bool8 KeyboardKeyHandler_Page(u8 input)
 {
     TryStartButtonFlash(BUTTON_PAGE, TRUE, FALSE);