update sdl Merge commit '4d48f9d23713d94b861da7b5d41baf2a41334994'

external/sdl/SDL/include/SDL3/SDL_video.h

@@ -118,6 +118,7 @@ typedef enum
  *  \sa SDL_SetWindowResizable()
  *  \sa SDL_SetWindowTitle()
  *  \sa SDL_ShowWindow()
+ *  \sa SDL_ShowWindowSystemMenu()
  */
 typedef struct SDL_Window SDL_Window;
 
@@ -1675,6 +1676,29 @@ extern DECLSPEC int SDLCALL SDL_SetWindowModalFor(SDL_Window *modal_window, SDL_
  */
 extern DECLSPEC int SDLCALL SDL_SetWindowInputFocus(SDL_Window *window);
 
+/**
+ * Display the system-level window menu.
+ *
+ * This default window menu is provided by the system and on some platforms
+ * provides functionality for setting or changing privileged state on the
+ * window, such as moving it between workspaces or displays, or toggling the
+ * always-on-top property.
+ *
+ * On platforms or desktops where this is unsupported, this function does
+ * nothing.
+ *
+ * \param window the window for which the menu will be displayed
+ * \param x the x coordinate of the menu, relative to the origin (top-left) of
+ *          the client area
+ * \param y the y coordinate of the menu, relative to the origin (top-left) of
+ *          the client area
+ * \returns 0 on success or a negative error code on failure; call
+ *          SDL_GetError() for more information.
+ *
+ * \since This function is available since SDL 3.0.0.
+ */
+extern DECLSPEC int SDLCALL SDL_ShowWindowSystemMenu(SDL_Window *window, int x, int y);
+
 /**
  * Possible return values from the SDL_HitTest callback.
  *