From d00e6740883d6054eda846e0fb249397d3f58c42 Mon Sep 17 00:00:00 2001
From: NepDisk <nepdisk@noreply.codeberg.org>
Date: Sat, 13 Sep 2025 22:41:48 -0400
Subject: [PATCH] Port Native keyboard

---
 src/console.c       |  3 +++
 src/i_video.h       |  2 ++
 src/m_menu.c        |  2 ++
 src/m_menu.h        |  2 ++
 src/m_textinput.c   |  2 +-
 src/sdl/i_video.cpp | 37 ++++++++++++++++++++++++++++++++++++-
 6 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/src/console.c b/src/console.c
index 838480066..1eb7b1e43 100644
--- a/src/console.c
+++ b/src/console.c
@@ -677,6 +677,9 @@ static void CON_MoveConsole(void)
 
 INT32 CON_ShiftChar(INT32 ch)
 {
+	if (I_UseNativeKeyboard())
+		return ch;
+
 	if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z'))
 	{
 		if (shiftdown ^ capslock)
diff --git a/src/i_video.h b/src/i_video.h
index b35e2c997..cb44c4508 100644
--- a/src/i_video.h
+++ b/src/i_video.h
@@ -153,6 +153,8 @@ void I_EndRead(void);
 
 UINT32 I_GetRefreshRate(void);
 
+boolean I_UseNativeKeyboard(void);
+
 void I_SetBorderlessWindow(void);
 
 #ifdef __cplusplus
diff --git a/src/m_menu.c b/src/m_menu.c
index 79854271d..f2f0fa8d9 100644
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -146,6 +146,7 @@ const char *quitmsg[NUM_QUITMESSAGES];
 
 boolean fromlevelselect = false;
 
+boolean menu_text_input = false;
 static char menu_text_input_buf[MAXSTRINGLENGTH];
 static textinput_t menuinput;
 
@@ -1634,6 +1635,7 @@ boolean M_Responder(event_t *ev)
 
 		if (M_TextInputHandle(&menuinput, ch))
 		{
+			menu_text_input = true;
 			S_StartSound(NULL, sfx_menu1); // Tails
 			CV_Set(item->cvar, menuinput.buffer);
 			return true;
diff --git a/src/m_menu.h b/src/m_menu.h
index b3f2b8cc5..82fc059fe 100644
--- a/src/m_menu.h
+++ b/src/m_menu.h
@@ -490,6 +490,8 @@ UINT16 M_GetColorAfter(UINT16 color);
 void M_InitPlayerSetupColors(void);
 void M_FreePlayerSetupColors(void);
 
+extern boolean menu_text_input;
+
 #ifdef __cplusplus
 } // extern "C"
 #endif
diff --git a/src/m_textinput.c b/src/m_textinput.c
index 94a087ff8..8637dc929 100644
--- a/src/m_textinput.c
+++ b/src/m_textinput.c
@@ -382,7 +382,7 @@ static boolean M_TextInputHandleBase(textinput_t *input, INT32 key, boolean emot
 		key = '/';
 
 	// same capslock code as hu_stuff.c's HU_responder. Check there for details.
-	key = /*cv_keyboardlayout.value == 3 ? CON_ShitAndAltGrChar(key) : */CON_ShiftChar(key);
+	key = CON_ShiftChar(key);
 
 	// enter a char into the command prompt
 	if (key < 32 || key > 127)
diff --git a/src/sdl/i_video.cpp b/src/sdl/i_video.cpp
index 9eace8973..28bf4c54e 100644
--- a/src/sdl/i_video.cpp
+++ b/src/sdl/i_video.cpp
@@ -501,6 +501,40 @@ static INT32 Impl_SDL_Scancode_To_Keycode(SDL_Scancode code)
 	return 0;
 }
 
+boolean I_UseNativeKeyboard(void)
+{
+	return (chat_on || CON_Ready() || (menu_text_input && menustack[0]));
+}
+
+// Get the equivalent ASCII (Unicode?) character for a keypress.
+static INT32 GetTypedChar(SDL_Keysym keysym)
+{
+	SDL_Event next_event;
+	SDL_Keycode keycode = keysym.sym;
+	SDL_Scancode scancode = keysym.scancode;
+	const boolean Text_Input_Only = I_UseNativeKeyboard(); // only use this this if on chat or console or the current menu wants inputs from us (except if its the control setup menu ig)
+
+	// Special cases, where we always return a fixed value.
+	switch (keycode)
+	{
+		case SDLK_BACKSPACE: return KEY_BACKSPACE;
+		case SDLK_RETURN:    return KEY_ENTER;
+		default:
+			break;
+	}
+
+	if (Text_Input_Only)
+	{
+		if (SDL_PeepEvents(&next_event, 1, SDL_PEEKEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT) == 1 && next_event.type == SDL_TEXTINPUT)
+		{
+			if (next_event.text.text[1] == '\0') // limit to ASCII
+				return next_event.text.text[0];
+		}
+	}
+
+	return Impl_SDL_Scancode_To_Keycode(scancode); // fallback
+}
+
 static boolean IgnoreMouse(void)
 {
 	if (cv_alwaysgrabmouse.value)
@@ -699,7 +733,8 @@ static void Impl_HandleKeyboardEvent(SDL_KeyboardEvent evt, Uint32 type)
 	{
 		return;
 	}
-	event.data1 = Impl_SDL_Scancode_To_Keycode(evt.keysym.scancode);
+
+	event.data1 = GetTypedChar(evt.keysym);
 
 	if (event.data1) D_PostEvent(&event);
 }