Added documentation comment for SDL_SetWindowMousePassthrough

Author: AQtun81

include/SDL3/SDL_video.h

@@ -2703,7 +2703,16 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SetWindowOpacity(SDL_Window *window, float
  */
 extern SDL_DECLSPEC float SDLCALL SDL_GetWindowOpacity(SDL_Window *window);
 
-
+/**
+ * Enable or disable mouse passthrough for a window.
+ *
+ * \param window the window to set mouse passthrough for.
+ * \param passthrough true to make the window transparent to mouse input, false to capture mouse input.
+ *
+ * \threadsafety This function should only be called on the main thread.
+ *
+ * \since This function is available since SDL 3.4.0.
+ */
 extern SDL_DECLSPEC void SDLCALL SDL_SetWindowMousePassthrough(SDL_Window *window, bool passthrough);
 
 /**

src/video/windows/SDL_windowswindow.h

@@ -115,7 +115,7 @@ extern void WIN_SetWindowSize(SDL_VideoDevice *_this, SDL_Window *window);
 extern bool WIN_GetWindowBordersSize(SDL_VideoDevice *_this, SDL_Window *window, int *top, int *left, int *bottom, int *right);
 extern void WIN_GetWindowSizeInPixels(SDL_VideoDevice *_this, SDL_Window *window, int *width, int *height);
 extern bool WIN_SetWindowOpacity(SDL_VideoDevice *_this, SDL_Window *window, float opacity);
-extern void WIN_SetWindowMousePassthrough(SDL_VideoDevice *_this, SDL_Window *window, bool passthrough)
+extern void WIN_SetWindowMousePassthrough(SDL_VideoDevice *_this, SDL_Window *window, bool passthrough);
 extern void WIN_ShowWindow(SDL_VideoDevice *_this, SDL_Window *window);
 extern void WIN_HideWindow(SDL_VideoDevice *_this, SDL_Window *window);
 extern void WIN_RaiseWindow(SDL_VideoDevice *_this, SDL_Window *window);