+ switch (dir) {
+ case OB_DIRECTION_NORTH:
+ head = RECT_BOTTOM(area);
+ tail = RECT_TOP(area);
+ break;
+ case OB_DIRECTION_SOUTH:
+ head = RECT_TOP(area);
+ tail = RECT_BOTTOM(area);
+ break;
+ case OB_DIRECTION_WEST:
+ head = RECT_RIGHT(area);
+ tail = RECT_LEFT(area);
+ break;
+ case OB_DIRECTION_EAST:
+ head = RECT_LEFT(area);
+ tail = RECT_RIGHT(area);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+ switch (dir) {
+ case OB_DIRECTION_NORTH:
+ case OB_DIRECTION_WEST:
+ /* check if our window is past the head of this window */
+ if (my_head <= head + 1)
+ skip_head = TRUE;
+ /* check if our window's tail is past the tail of this window */
+ if (my_head + my_size - 1 <= tail)
+ skip_tail = TRUE;
+ /* check if the head of this window is closer than the previously
+ chosen edge (take into account that the previously chosen
+ edge might have been a tail, not a head) */
+ if (head + (*near_edge ? 0 : my_size) < *dest)
+ skip_head = TRUE;
+ /* check if the tail of this window is closer than the previously
+ chosen edge (take into account that the previously chosen
+ edge might have been a head, not a tail) */
+ if (tail - (!*near_edge ? 0 : my_size) < *dest)
+ skip_tail = TRUE;
+ break;
+ case OB_DIRECTION_SOUTH:
+ case OB_DIRECTION_EAST:
+ /* check if our window is past the head of this window */
+ if (my_head >= head - 1)
+ skip_head = TRUE;
+ /* check if our window's tail is past the tail of this window */
+ if (my_head - my_size + 1 >= tail)
+ skip_tail = TRUE;
+ /* check if the head of this window is closer than the previously
+ chosen edge (take into account that the previously chosen
+ edge might have been a tail, not a head) */
+ if (head - (*near_edge ? 0 : my_size) > *dest)
+ skip_head = TRUE;
+ /* check if the tail of this window is closer than the previously
+ chosen edge (take into account that the previously chosen
+ edge might have been a head, not a tail) */
+ if (tail + (!*near_edge ? 0 : my_size) > *dest)
+ skip_tail = TRUE;
+ break;
+ default:
+ g_assert_not_reached();
+ }