Method avoidJumpZone

src/lib/server/Server.cpp:703–747

}

void Server::avoidJumpZone(const BaseClientProxy *dst, Direction dir, int32_t &x, int32_t &y) const
{
  // we only need to avoid jump zones on the primary screen
  if (dst != m_primaryClient) {
    return;
  }

  const std::string dstName(getName(dst));
  int32_t dx;
  int32_t dy;
  int32_t dw;
  int32_t dh;
  dst->getShape(dx, dy, dw, dh);
  float t = mapToFraction(dst, dir, x, y);
  int32_t z = getJumpZoneSize(dst);

  // move in far enough to avoid the jump zone.  if entering a side
  // that doesn't have a neighbor (i.e. an asymmetrical side) then we
  // don't need to move inwards because that side can't provoke a jump.
  switch (dir) {
    using enum Direction;
  case Left:
    if (!m_config->getNeighbor(dstName, Right, t, nullptr).empty() && x > dx + dw - 1 - z)
      x = dx + dw - 1 - z;
    break;

  case Right:
    if (!m_config->getNeighbor(dstName, Left, t, nullptr).empty() && x < dx + z)
      x = dx + z;
    break;

  case Top:
    if (!m_config->getNeighbor(dstName, Bottom, t, nullptr).empty() && y > dy + dh - 1 - z)
      y = dy + dh - 1 - z;
    break;

  case Bottom:
    if (!m_config->getNeighbor(dstName, Top, t, nullptr).empty() && y < dy + z)
      y = dy + z;
    break;

  case NoDirection:
    assert(0 && "bad direction");
  }
}

bool Server::isSwitchOkay(
    BaseClientProxy *newScreen, Direction dir, int32_t x, int32_t y, int32_t xActive, int32_t yActive