SDL_SetWindowMouseRect - Confines the cursor to the specified area of a window.

       This function is available since SDL 3.2.0.

       Note  that  this  does  NOT  grab the cursor, it only defines the area a cursor is restricted to when the
       window has mouse focus.

window the window that will be associated with the barrier.

       rect   a rectangle area in window-relative coordinates. If NULL the barrier for the specified window will
              be destroyed.

       Defined in SDL3/SDL_video.h

       SDL_SetWindowMouseRect - Confines the cursor to the specified area of a window.

       Returns true on success or false on failure; call

       SDL_GetError () for more information.

•(3), SDL_GetWindowMouseRect(3), •(3), SDL_GetWindowMouseGrab(3), •(3), SDL_SetWindowMouseGrab(3)

Simple Directmedia Layer                           SDL 3.2.10                          SDL_SetWindowMouseRect(3)

#include"SDL3/SDL.h"boolSDL_SetWindowMouseRect(SDL_Window*window,constSDL_Rect*rect);

       This function should only be called on the main thread.