Add c code

Author: damusss

src_c/display.c

@@ -2296,6 +2296,51 @@ pg_get_desktop_screen_sizes(PyObject *self, PyObject *_null)
     return result;
 }
 
+static PyObject *
+pg_get_desktop_usable_bounds(PyObject *self, PyObject *_null)
+{
+    int display_count, i;
+
+    VIDEO_INIT_CHECK();
+
+#if PG_SDL3
+    SDL_DisplayID *displays = SDL_GetDisplays(&display_count);
+    if (displays == NULL) {
+        return RAISE(pgExc_SDLError, SDL_GetError());
+    }
+#else
+    display_count = SDL_GetNumVideoDisplays();
+    if (display_count < 0) {
+        return RAISE(pgExc_SDLError, SDL_GetError());
+    }
+#endif
+
+    result = PyList_New(display_count);
+    if (!result) {
+        return NULL;
+    }
+
+    for (i = 0; i < display_count; i++) {
+        SDL_Rect bounds;
+#if PG_SDL3
+        SDL_DisplayID display_id = displays[i];
+        if (SDL_GetDisplayUsableBounds(display_id, &bounds) == SDL_FALSE) {
+            return RAISE(pgExc_SDLError, SDL_GetError());
+        }
+#else
+        if (SDL_GetDisplayUsableBounds(i, &bounds) < 0) {
+            return RAISE(pgExc_SDLError, SDL_GetError());
+        }
+#endif
+        PyObject *pg_rect = pgRect_New(&bounds);
+        if (pg_rect == NULL) {
+            return NULL; /* exception already set */
+        }
+        PyList_SET_ITEM(result, i, pg_rect);
+    }
+    return result;
+}
+
 static PyObject *
 pg_is_fullscreen(PyObject *self, PyObject *_null)
 {