1 files changed, 68 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/events/SDL_keysym_to_keycode.c b/contrib/SDL-3.2.8/src/events/SDL_keysym_to_keycode.c
new file mode 100644
index 0000000..7cbfcb6
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/events/SDL_keysym_to_keycode.c
@@ -0,0 +1,68 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#if defined(SDL_VIDEO_DRIVER_WAYLAND) || defined(SDL_VIDEO_DRIVER_X11)
+
+#include "SDL_keyboard_c.h"
+#include "SDL_keysym_to_scancode_c.h"
+#include "imKStoUCS.h"
+
+
+// Extended key code mappings
+static const struct
+{
+    Uint32 keysym;
+    SDL_Keycode keycode;
+} keysym_to_keycode_table[] = {
+    { 0xfe03, SDLK_MODE }, // XK_ISO_Level3_Shift
+    { 0xfe11, SDLK_LEVEL5_SHIFT }, // XK_ISO_Level5_Shift
+    { 0xfe20, SDLK_LEFT_TAB }, // XK_ISO_Left_Tab
+    { 0xff20, SDLK_MULTI_KEY_COMPOSE }, // XK_Multi_key
+    { 0xffe7, SDLK_LMETA }, // XK_Meta_L
+    { 0xffe8, SDLK_RMETA }, // XK_Meta_R
+    { 0xffed, SDLK_LHYPER }, // XK_Hyper_L
+    { 0xffee, SDLK_RHYPER }, // XK_Hyper_R
+};
+
+SDL_Keycode SDL_GetKeyCodeFromKeySym(Uint32 keysym, Uint32 keycode, SDL_Keymod modifiers)
+{
+    SDL_Keycode sdl_keycode = SDL_KeySymToUcs4(keysym);
+
+    if (!sdl_keycode) {
+        for (int i = 0; i < SDL_arraysize(keysym_to_keycode_table); ++i) {
+            if (keysym == keysym_to_keycode_table[i].keysym) {
+                return keysym_to_keycode_table[i].keycode;
+            }
+        }
+    }
+
+    if (!sdl_keycode) {
+        const SDL_Scancode scancode = SDL_GetScancodeFromKeySym(keysym, keycode);
+        if (scancode != SDL_SCANCODE_UNKNOWN) {
+            sdl_keycode = SDL_GetKeymapKeycode(NULL, scancode, modifiers);
+        }
+    }
+
+    return sdl_keycode;
+}
+
+#endif // SDL_VIDEO_DRIVER_WAYLAND || SDL_VIDEO_DRIVER_X11